Title: Cheap Flights from Ottawa (YOW) to Great Falls (GTF) - Expedia.ca ![The Great Falls Named by Louis and Clark during their expedition and the Ryan Dam, Great Falls Montana](https://images.trvl-media.com/place/1392/3ed00714-13c7-4e10-b6c6-500a0014c637.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1392/3ed00714-13c7-4e10-b6c6-500a0014c637.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ottawa (YOW) to Great Falls (GTF) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Flight 1 Leaving from Going to Departing Flight 2 Leaving from Going to Departing ## Popular airlines from Ottawa International Airport (YOW) to Great Falls, MT (GTF-Great Falls Intl.) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:GTF,departure:13/03/2026TANYT&leg2=from:GTF,to:YOW,departure:20/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Ottawa (YOW) to Great Falls (GTF) Prices were available within the past 7 days and start at for one-way flights and CA $776 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Mar 28 - Thu, Apr 2 YOW Ottawa GTF Great Falls CA $776 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:28/03/2026TANYT&leg2=from:GTF,to:YOW,departure:02/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:775.99&airProductToken=AQqjAQo1CNWCARIENDE4OBjYswEgrhworuuIAzDM7IgDOE5AAFgBaghFQ09CQVNJQ3IITE5BNUEwQk4KNAjVggESBDI2NDkYrhwgg2kolO6IAzDG74gDOE5AAVgBaghFQ09CQVNJQ3IITE5BNUEwQk4KNAjVggESBDEzMjMYg2kg5iwog_CIAzD_8IgDOE5AAVgBaghFQ09CQVNJQ3IITE5BNUEwQk4KpQEKNAjVggESBDIwNzUY5iwgg2kon6KJAzCco4kDOE5AAFgBaghFQ09CQVNJQ3IITE5BNUEwQk4KNQjVggESBDEyODMYg2kgxI0BKJ-liQMwhqeJAzhOQAFYAWoIRUNPQkFTSUNyCExOQTVBMEJOCjYI1YIBEgQzNTA2GMSNASDYswEo9qeJAzDdqIkDOE5AAVgBaghFQ09CQVNJQ3IITE5BNUEwQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Mar 24 - Sun, Mar 29 YOW Ottawa GTF Great Falls CA $816 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:24/03/2026TANYT&leg2=from:GTF,to:YOW,departure:29/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:815.47&airProductToken=AQqgAQo0CNWCARIEMzYwNRjYswEgiBgo57-IAzDbwIgDOEdAAFgBagdFQ09OT01ZcghHTkE0QTJURwozCNWCARIEMjQzNRiIGCCSKyjDwYgDMLXEiAM4R0ABWAFqB0VDT05PTVlyCEdOQTRBMlRHCjMI1YIBEgQxODg5GJIrIOYsKJDIiAMw1cuIAzhHQAFYAWoHRUNPTk9NWXIIR0FLMkFYRFMKoAEKMwjVggESBDE2NTYY5iwgg2kojvmIAzCM-ogDOExAAFgBagdFQ09OT01ZcghMTkE1QTBURwozCNWCARIEMTkyNBiDaSCIGCjH_YgDMJj_iAM4TEABWAFqB0VDT05PTVlyCExOQTVBMFRHCjQI1YIBEgQzNTcwGIgYINizASi_gIkDMKuBiQM4TEABWAFqB0VDT05PTVlyCExOQTVBMFRHEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Mar 24 - Sun, Mar 29 YOW Ottawa GTF Great Falls CA $818 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:24/03/2026TANYT&leg2=from:GTF,to:YOW,departure:29/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:817.99&airProductToken=AQqlAQo2CNWCARIENDUyNBjYswEgxI0BKPi7iAMw5byIAzhOQABYAWoIRUNPQkFTSUNyCFROQTJBMEJOCjUI1YIBEgQxOTk5GMSNASCDaSjvvogDMIHBiAM4TkABWAFqCEVDT0JBU0lDcghUTkEyQTBCTgo0CNWCARIEMTMyMxiDaSDmLCiDw4gDMP_DiAM4TkABWAFqCEVDT0JBU0lDcghUTkEyQTBCTgqjAQo0CNWCARIEMTY1NhjmLCCDaSiO-YgDMIz6iAM4TkAAWAFqCEVDT0JBU0lDcghMTkE1QTBCTgo0CNWCARIEMTkyNBiDaSCIGCjH_YgDMJj_iAM4TkABWAFqCEVDT0JBU0lDcghMTkE1QTBCTgo1CNWCARIEMzU3MBiIGCDYswEov4CJAzCrgYkDOE5AAVgBaghFQ09CQVNJQ3IITE5BNUEwQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Mar 28 - Thu, Apr 2 YOW Ottawa GTF Great Falls CA $833 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:28/03/2026TANYT&leg2=from:GTF,to:YOW,departure:02/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:832.52&airProductToken=AQqpAQo3CNWCARIENDE4OBjYswEgrhworuuIAzDM7IgDOE5AAFgBagoxX2Jhc2ljZWNvcghMTkE1QTBCTgo2CNWCARIEMjY0ORiuHCCDaSiU7ogDMMbviAM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOCjYI1YIBEgQxMzIzGINpIOYsKIPwiAMw__CIAzhOQABYAWoKMV9iYXNpY2Vjb3IITE5BNUEwQk4KqQEKNgjVggESBDIwNzUY5iwgg2kon6KJAzCco4kDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgo2CNWCARIEMjMyORiDaSCuHCjno4kDMISliQM4TkAAWAFqCjFfYmFzaWNlY29yCFROQTJBMEJOCjcI1YIBEgQzNTA5GK4cINizASivpYkDMLOmiQM4TkAAWAFqCjFfYmFzaWNlY29yCFROQTJBMEJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Mar 25 - Mon, Mar 30 YOW Ottawa GTF Great Falls CA $837 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:25/03/2026TANYT&leg2=from:GTF,to:YOW,departure:30/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:836.86&airProductToken=AQqpAQo3CNWCARIENDE4OBjYswEgrhwozsmIAzDsyogDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgo2CNWCARIEMjY0ORiuHCCDaSi0zIgDMObNiAM4TkAAWAFqCjFfYmFzaWNlY29yCFROQTJBMEJOCjYI1YIBEgQxMzIzGINpIOYsKKPOiAMwn8-IAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4KqQEKNgjVggESBDIwNzUY5iwgg2kov4CJAzC8gYkDOE5AAFgBagoxX2Jhc2ljZWNvcghMTkE1QTBCTgo2CNWCARIEMjMyORiDaSCuHCiHgokDMKSDiQM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOCjcI1YIBEgQzNTA5GK4cINizASjPg4kDMNOEiQM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Mar 27 - Wed, Apr 1 YOW Ottawa GTF Great Falls CA $840 Roundtrip found 8 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:27/03/2026TANYT&leg2=from:GTF,to:YOW,departure:01/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:839.96&airProductToken=AQqoAQo3CNWCARIENDE4OBjYswEgrhwojuCIAzCs4YgDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgo1CNWCARIDMjcwGK4cIINpKPXhiAMwpOOIAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4KNgjVggESBDEzMjMYg2kg5iwo4-SIAzDf5YgDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgqpAQo2CNWCARIEMjA3NRjmLCCDaSj_lokDMPyXiQM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOCjYI1YIBEgQyMzI5GINpIK4cKMeYiQMw5JmJAzhOQABYAWoKMV9iYXNpY2Vjb3IITE5BNUEwQk4KNwjVggESBDM1MDkYrhwg2LMBKI-aiQMwk5uJAzhOQABYAWoKMV9iYXNpY2Vjb3IITE5BNUEwQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Mar 28 - Thu, Apr 2 YOW Ottawa GTF Great Falls CA $842 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:28/03/2026TANYT&leg2=from:GTF,to:YOW,departure:02/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:841.21&airProductToken=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) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 2 - Tue, Apr 7 YOW Ottawa GTF Great Falls CA $845 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:02/04/2026TANYT&leg2=from:GTF,to:YOW,departure:07/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:844.11&airProductToken=AQqpAQo3CNWCARIEMzY2MxjYswEgrhwotKOJAzDNpIkDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgo2CNWCARIEMjQ3NRiuHCCDaSi2pokDMOaniQM4TkAAWAFqCjFfYmFzaWNlY29yCFROQTJBMEJOCjYI1YIBEgQxMjI2GINpIOYsKKuoiQMwpamJAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4KqQEKNgjVggESBDIwNzUY5iwgg2kov9qJAzC824kDOE5AAFgBagoxX2Jhc2ljZWNvcghMTkE1QTBCTgo2CNWCARIEMjMyORiDaSCuHCiH3IkDMKTdiQM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOCjcI1YIBEgQzNTA5GK4cINizASjP3YkDMNPeiQM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Apr 3 - Wed, Apr 8 YOW Ottawa GTF Great Falls CA $847 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:03/04/2026TANYT&leg2=from:GTF,to:YOW,departure:08/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:847.00&airProductToken=AQqoAQo3CNWCARIEMzU4MRjYswEgrhwo0ayJAzDqrYkDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgo1CNWCARIDMjUwGK4cIINpKJSuiQMww6-JAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4KNgjVggESBDIxMDAYg2kg5iwo_K-JAzDzsIkDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgqpAQo2CNWCARIEMjA3NRjmLCCDaSjf5YkDMNzmiQM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOCjYI1YIBEgQyMzI5GINpIK4cKKfniQMwxOiJAzhOQABYAWoKMV9iYXNpY2Vjb3IITE5BNUEwQk4KNwjVggESBDM1MDkYrhwg2LMBKO_oiQMw8-mJAzhOQABYAWoKMV9iYXNpY2Vjb3IITE5BNUEwQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Mar 28 - Thu, Apr 2 YOW Ottawa GTF Great Falls CA $855 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:28/03/2026TANYT&leg2=from:GTF,to:YOW,departure:02/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:854.74&airProductToken=AQqjAQo1CNWCARIENDE4OBjYswEgrhworuuIAzDM7IgDOE5AAFgBaghFQ09CQVNJQ3IITE5BNUEwQk4KNAjVggESBDI2NDkYrhwgg2kolO6IAzDG74gDOE5AAVgBaghFQ09CQVNJQ3IITE5BNUEwQk4KNAjVggESBDEzMjMYg2kg5iwog_CIAzD_8IgDOE5AAVgBaghFQ09CQVNJQ3IITE5BNUEwQk4KpQEKNAjVggESBDE2NTYY5iwgg2kojqaJAzCMp4kDOE5AAFgBaghFQ09CQVNJQ3IIU05BMkEwQk4KNQjVggESBDI2MTMYg2kgxI0BKNOniQMwwKmJAzhOQAFYAWoIRUNPQkFTSUNyCFNOQTJBMEJOCjYI1YIBEgQzNzE3GMSNASDYswEol62JAzD3rYkDOE5AAVgBaghFQ09CQVNJQ3IIU05BMkEwQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Mar 20 - Wed, Mar 25 YOW Ottawa GTF Great Falls CA $860 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:20/03/2026TANYT&leg2=from:GTF,to:YOW,departure:25/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:859.99&airProductToken=AQqjAQo1CNWCARIEMzU4MRjYswEgrhwojI-IAzCskIgDOE5AAFgBaghFQ09CQVNJQ3IIVE5BMkEwQk4KNAjVggESBDE4MDMYrhwgg2ko1JGIAzCFk4gDOE5AAVgBaghFQ09CQVNJQ3IIVE5BMkEwQk4KNAjVggESBDEzMjMYg2kg5iwog5aIAzD_logDOE5AAVgBaghFQ09CQVNJQ3IIVE5BMkEwQk4KowEKNAjVggESBDE1NjEY5iwgg2kon8iIAzCgyYgDOE5AAFgBaghFQ09CQVNJQ3IIVE5BMkEwQk4KNAjVggESBDI4NjUYg2kgrhwoy8qIAzDmy4gDOE5AAVgBaghFQ09CQVNJQ3IIVE5BMkEwQk4KNQjVggESBDM0MDIYrhwg2LMBKKjNiAMwrs6IAzhOQAFYAWoIRUNPQkFTSUNyCFROQTJBMEJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Mar 28 - Thu, Apr 2 YOW Ottawa GTF Great Falls CA $861 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:28/03/2026TANYT&leg2=from:GTF,to:YOW,departure:02/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:860.79&airProductToken=AQq6AQpBCNWCARIEODI0MBjYswEgmM4BKLzoiAMwl-mIAzhMQABYAWoHRUNPTk9NWXIITE5BNUEwVEd6CgjBhgESBDgyNDAKQAjVggESBDg2NTEYmM4BIINpKI7qiAMw9-uIAzhMQAFYAWoHRUNPTk9NWXIITE5BNUEwVEd6CgjBhgESBDg2NTEKMwjVggESBDE4ODkYg2kg5iwoueyIAzC17YgDOExAAVgBagdFQ09OT01ZcghMTkE1QTBURwqgAQozCNWCARIEMTY1NhjmLCCDaSiOpokDMIyniQM4TEAAWAFqB0VDT05PTVlyCExOQTVBMFRHCjMI1YIBEgQxOTI0GINpIIgYKMeqiQMwmKyJAzhMQAFYAWoHRUNPTk9NWXIITE5BNUEwVEcKNAjVggESBDM1NzAYiBgg2LMBKL-tiQMwq66JAzhMQAFYAWoHRUNPTk9NWXIITE5BNUEwVEcSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Mar 27 - Wed, Apr 1 YOW Ottawa GTF Great Falls CA $869 Roundtrip found 8 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:27/03/2026TANYT&leg2=from:GTF,to:YOW,departure:01/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:868.03&airProductToken=AQqpAQo3CNWCARIENDE4OBjYswEgrhwojuCIAzCs4YgDOE5AAFgBagoxX2Jhc2ljZWNvcghTTkEyQTBCTgo2CNWCARIEMjY0ORiuHCCDaSj04ogDMKbkiAM4TkAAWAFqCjFfYmFzaWNlY29yCFNOQTJBMEJOCjYI1YIBEgQxMzIzGINpIOYsKOPkiAMw3-WIAzhOQABYAWoKMV9iYXNpY2Vjb3IIU05BMkEwQk4KqQEKNgjVggESBDIwNzUY5iwgg2ko_5aJAzD8l4kDOE5AAFgBagoxX2Jhc2ljZWNvcghMTkE1QTBCTgo2CNWCARIEMjMyORiDaSCuHCjHmIkDMOSZiQM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOCjcI1YIBEgQzNTA5GK4cINizASiPmokDMJObiQM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Apr 4 - Thu, Apr 9 YOW Ottawa GTF Great Falls CA $873 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:04/04/2026TANYT&leg2=from:GTF,to:YOW,departure:09/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:872.09&airProductToken=AQquAQpBCNWCARIEODI0MBjYswEgmM4BKNi3iQMwqLiJAzhMQABYAWoHRUNPTk9NWXIITE5BNUEwVEd6CgjBhgESBDgyNDAKNAjVggESBDE5NDQYmM4BIINpKPW5iQMw4LuJAzhMQAFYAWoHRUNPTk9NWXIITE5BNUEwVEcKMwjVggESBDEyMjYYg2kg5iwo676JAzDlv4kDOExAAVgBagdFQ09OT01ZcghMTkE1QTBURwq6AQozCNWCARIEMjA3NRjmLCCDaSj_8IkDMPzxiQM4TEAAWAFqB0VDT05PTVlyCExOQTVBMFRHCkAI1YIBEgQ4NDU2GINpIJjOASit9IkDMOv1iQM4TEABWAFqB0VDT05PTVlyCExOQTVBMFRHegoIwYYBEgQ4NDU2CkEI1YIBEgQ4MjQzGJjOASDYswEoyvaJAzCM94kDOExAAVgBagdFQ09OT01ZcghMTkE1QTBUR3oKCMGGARIEODI0MxIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Apr 4 - Thu, Apr 9 YOW Ottawa GTF Great Falls CA $874 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:04/04/2026TANYT&leg2=from:GTF,to:YOW,departure:09/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:873.61&airProductToken=AQqpAQo3CNWCARIENDUyNhjYswEgrhwo9LmJAzCKu4kDOE5AAFgBagoxX2Jhc2ljZWNvcghMTkE1QTBCTgo2CNWCARIEMTEyOBiuHCCDaSj2vIkDMKa-iQM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOCjYI1YIBEgQxMjI2GINpIOYsKOu-iQMw5b-JAzhOQABYAWoKMV9iYXNpY2Vjb3IITE5BNUEwQk4KqQEKNgjVggESBDIwNzUY5iwgg2ko__CJAzD88YkDOE5AAFgBagoxX2Jhc2ljZWNvcghTTkEyQTBCTgo2CNWCARIEMjMyORiDaSCuHCjH8okDMOTziQM4TkAAWAFqCjFfYmFzaWNlY29yCFNOQTJBMEJOCjcI1YIBEgQzNTA5GK4cINizASiP9IkDMJP1iQM4TkAAWAFqCjFfYmFzaWNlY29yCFNOQTJBMEJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Mar 28 - Thu, Apr 2 YOW Ottawa GTF Great Falls CA $875 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:28/03/2026TANYT&leg2=from:GTF,to:YOW,departure:02/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:874.52&airProductToken=AQqpAQo3CNWCARIENDE4OBjYswEgrhworuuIAzDM7IgDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgo2CNWCARIEMjM0NxiuHCCDaSjB7YgDMPHuiAM4TkAAWAFqCjFfYmFzaWNlY29yCFROQTJBMEJOCjYI1YIBEgQxMzIzGINpIOYsKIPwiAMw__CIAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4KqQEKNgjVggESBDIwNzUY5iwgg2kon6KJAzCco4kDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgo2CNWCARIEMjMyORiDaSCuHCjno4kDMISliQM4TkAAWAFqCjFfYmFzaWNlY29yCFROQTJBMEJOCjcI1YIBEgQzNTA5GK4cINizASivpYkDMLOmiQM4TkAAWAFqCjFfYmFzaWNlY29yCFROQTJBMEJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, Mar 29 - Fri, Apr 3 YOW Ottawa GTF Great Falls CA $876 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:29/03/2026TANYT&leg2=from:GTF,to:YOW,departure:03/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:875.97&airProductToken=AQqoAQo3CNWCARIEMzY2MxjYswEgrhwotPaIAzDN94gDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgo1CNWCARIDNjA5GK4cIINpKLn4iAMw6PmIAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4KNgjVggESBDEyMjYYg2kg5iwoq_uIAzCl_IgDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgqpAQo2CNWCARIEMjA3NRjmLCCDaSi_rYkDMLyuiQM4TkAAWAFqCjFfYmFzaWNlY29yCFROQTJBMEJOCjYI1YIBEgQyMzI5GINpIK4cKIeviQMwpLCJAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4KNwjVggESBDM1MDkYrhwg2LMBKM-wiQMw07GJAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Mar 28 - Thu, Apr 2 YOW Ottawa GTF Great Falls CA $881 Roundtrip found 3 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:28/03/2026TANYT&leg2=from:GTF,to:YOW,departure:02/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:880.86&airProductToken=AQqpAQo3CNWCARIENDE4OBjYswEgrhworuuIAzDM7IgDOE5AAFgBagoxX2Jhc2ljZWNvcghMTkE1QTBCTgo2CNWCARIEMjY0ORiuHCCDaSiU7ogDMMbviAM4TkAAWAFqCjFfYmFzaWNlY29yCExOQTVBMEJOCjYI1YIBEgQxMzIzGINpIOYsKIPwiAMw__CIAzhOQABYAWoKMV9iYXNpY2Vjb3IITE5BNUEwQk4KqQEKNgjVggESBDIwNzUY5iwgg2kon6KJAzCco4kDOE5AAFgBagoxX2Jhc2ljZWNvcghTTkEyQTBCTgo2CNWCARIEMjA4NxiDaSCIGCiPpIkDMOKliQM4TkAAWAFqCjFfYmFzaWNlY29yCFNOQTJBMEJOCjcI1YIBEgQ0NDE4GIgYINizASi2pokDMJ-niQM4TkAAWAFqCjFfYmFzaWNlY29yCFNOQTJBMEJOEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Fri, Mar 27 - Wed, Apr 1 YOW Ottawa GTF Great Falls CA $882 Roundtrip found 8 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:27/03/2026TANYT&leg2=from:GTF,to:YOW,departure:01/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:881.96&airProductToken=AQqoAQo3CNWCARIENDE4OBjYswEgrhwojuCIAzCs4YgDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgo1CNWCARIDMjcwGK4cIINpKPXhiAMwpOOIAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4KNgjVggESBDEzMjMYg2kg5iwo4-SIAzDf5YgDOE5AAFgBagoxX2Jhc2ljZWNvcghUTkEyQTBCTgqpAQo2CNWCARIEMjA3NRjmLCCDaSj_lokDMPyXiQM4TkAAWAFqCjFfYmFzaWNlY29yCFROQTJBMEJOCjYI1YIBEgQyMDg3GINpIIgYKO-YiQMwwpqJAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4KNwjVggESBDQ0MTgYiBgg2LMBKJabiQMw_5uJAzhOQABYAWoKMV9iYXNpY2Vjb3IIVE5BMkEwQk4SCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Mar 24 - Sun, Mar 29 YOW Ottawa GTF Great Falls CA $897 Roundtrip found 1 day ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:GTF,departure:24/03/2026TANYT&leg2=from:GTF,to:YOW,departure:29/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:896.07&airProductToken=AQqvAQpCCMGGARIENDM5OBjYswEgxI0BKPi7iAMw5byIAzhHQABYAWoIU1RBTkRBUkRyCEdOQTJBN1RHegoI1YIBEgQ0Mzk4CjQI1YIBEgQyMTIwGMSNASCDaSjYv4gDMOvBiAM4TEABWAFqB0VDT05PTVlyCExGQTRBREROCjMI1YIBEgQxMzIzGINpIOYsKIPDiAMw_8OIAzhMQAFYAWoHRUNPTk9NWXIITEZBNEFERE4KoAEKMwjVggESBDE2NTYY5iwgg2kojvmIAzCM-ogDOExAAFgBagdFQ09OT01ZcghMTkE1QTBURwozCNWCARIEMTkyNBiDaSCIGCjH_YgDMJj_iAM4TEABWAFqB0VDT05PTVlyCExOQTVBMFRHCjQI1YIBEgQzNTcwGIgYINizASi_gIkDMKuBiQM4TEABWAFqB0VDT05PTVlyCExOQTVBMFRHEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.ca/deals?rfrr=FTG_SPRING_PROMO_) ## Alternative airports near Great Falls Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:GTF,departure:13/03/2026TANYT&leg2=from:GTF,to:YOW,departure:18/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) GTF Great Falls Intl. CheapestClosest 8 min [Flights from CA $976 ](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:GTF,departure:13/03/2026TANYT&leg2=from:GTF,to:YOW,departure:18/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much is a flight from Ottawa International Airport to Great Falls Intl. Airport? ### Do I need to pay a cancellation fee if I cancel my flight from Ottawa International Airport to GTF? ### How do I find cheap flights from Macdonald-Cartier Intl. Airport (YOW) to Great Falls Intl. Airport (GTF) that have flexible change policies? ### How far is the flight from Ottawa International Airport to Great Falls Intl. Airport (GTF)? ### Which airlines fly direct from Macdonald-Cartier Intl. Airport (YOW) to GTF? ### Are Macdonald-Cartier Intl. Airport (YOW) to GTF flight tickets cheaper when they're purchased at the last minute? ## Book with confidence # Ottawa to Great Falls Flights **The easy way to book your flights from Ottawa to Great Falls** With Expedia, it’s simple to find and book flights to Great Falls from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Great Falls Intl., too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to Great Falls today, tomorrow, or this week. **Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to Great Falls Intl., GTF** Sort your search results by price to find great deals on your flight from Ottawa to Great Falls—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Great Falls from Ottawa currently is just CA $776 rising to CA $897\. Here are more money-saving tips: - Fly in March when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Great Falls - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to Great Falls from Ottawa** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Great Falls with Expedia today. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - Other - [4 Star Hotels in Great Falls ](https://www.expedia.ca/4Star-Great-Falls-Hotels.s40-0-d1392.Travel-Guide-Filter-Hotels) - [Hotels near Four Season Arena ](https://www.expedia.ca/Four-Season-Arena-Hotels.0-l6115478-0.Travel-Guide-Filter-Hotels) - [B&B in Great Falls ](https://www.expedia.ca/Great-Falls-Bed-And-Breakfast.d1392-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Cabin Rentals in Great Falls ](https://www.expedia.ca/Great-Falls-Cabins.d1392-aaCabins.Travel-Guide-Accommodation) - [Hotels near Great Falls Convention Center ](https://www.expedia.ca/Great-Falls-Convention-Center-Hotels.0-l6115482-0.Travel-Guide-Filter-Hotels) - [All Inclusive Resorts and in Great Falls ](https://www.expedia.ca/Great-Falls-Hotels-All-Inclusive-Hotel.0-0-d1392-tAllInclusiveHotel.Travel-Guide-Filter-Hotels) - [Best Western Hotels in Great Falls ](https://www.expedia.ca/Great-Falls-Hotels-Best-Western.0-0-d1392--bBestWestern.Travel-Guide-Filter-Hotels) - 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[Hotels with Free Airport Shuttle in Great Falls ](https://www.expedia.ca/Great-Falls-Hotels-Hotels-With-Free-Airport-Shuttle.0-0-d1392-tHotelswithFreeAirportShuttle.Travel-Guide-Filter-Hotels) - [Hotels with Free Breakfast in Great Falls ](https://www.expedia.ca/Great-Falls-Hotels-Hotels-With-Free-Breakfast.0-0-d1392-tHotelswithFreeBreakfast.Travel-Guide-Filter-Hotels) - [Hotels with Free Parking in Great Falls ](https://www.expedia.ca/Great-Falls-Hotels-Hotels-With-Free-Parking.0-0-d1392-tHotelswithFreeParking.Travel-Guide-Filter-Hotels) - [Hotels with Hot Tubs in Great Falls ](https://www.expedia.ca/Great-Falls-Hotels-Hotels-With-Hot-Tubs.0-0-d1392-tHotelsWithHotTubs.Travel-Guide-Filter-Hotels) - [Hotels with an Indoor Pool in Great Falls ](https://www.expedia.ca/Great-Falls-Hotels-Hotels-With-Indoor-Pool.0-0-d1392-tHotelswithIndoorPool.Travel-Guide-Filter-Hotels) - [Hotels with Kitchenettes in Great Falls ](https://www.expedia.ca/Great-Falls-Hotels-Hotels-With-Kitchenettes.0-0-d1392-tHotelswithKitchenettes.Travel-Guide-Filter-Hotels) - 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