Title: CA $1,082 Cheap Flights from Ottawa (YOW) to Siem Reap Angkor Intl. Airport (SAI) - Expedia.ca ![Siem Reap featuring a ruin](https://images.trvl-media.com/place/553248634340877579/1cbcf399-17bf-4db2-87a1-8b5872dd5c59.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/553248634340877579/1cbcf399-17bf-4db2-87a1-8b5872dd5c59.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $1,082 Cheap Flights from Ottawa (YOW) to Siem Reap Angkor Intl. Airport (SAI) [View CA $1,082 flight on Tue, Dec 1, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YOW,to:SAI,departure:01/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1081.21&airProductToken=AQqYAQoyCMGGARIDMzQxGNizASC4jQEotM-eAzCK0p4DOFRAAFgBagVCQVNJQ3IIVExWWTgyQkEKMAjBhgESAjY1GLiNASDBUijp2J4DMMLgngM4VEABWAFqBUJBU0lDcghUTFZZODJCQQowCNCOARIDOTA3GMFSIJJAKNHlngMwoeaeAzhRQAFYAWoFQkFTSUNyCFRMVlk4MkJBEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ## Popular airlines from Ottawa International Airport (YOW) to Siem Reap Angkor Intl. Airport (SAI) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SAI,departure:26/03/2026TANYT&leg2=from:SAI,to:YOW,departure:02/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SAI,departure:26/03/2026TANYT&leg2=from:SAI,to:YOW,departure:02/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SAI,departure:26/03/2026TANYT&leg2=from:SAI,to:YOW,departure:02/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SAI,departure:26/03/2026TANYT&leg2=from:SAI,to:YOW,departure:02/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](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:SAI,departure:26/03/2026TANYT&leg2=from:SAI,to:YOW,departure:02/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SAI,departure:26/03/2026TANYT&leg2=from:SAI,to:YOW,departure:02/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SAI,departure:26/03/2026TANYT&leg2=from:SAI,to:YOW,departure:02/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![](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 Siem Reap Angkor Intl. Airport (SAI) Prices were available within the past 7 days and start at CA $1,082 for one-way flights and CA $1,603 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Oct 10 - Sun, Oct 18 YOW Ottawa SAI Siem Reap CA $1,603 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SAI,departure:10/10/2026TANYT&leg2=from:SAI,to:YOW,departure:18/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1602.62&airProductToken=AQqYAQoyCMGGARIDMzQxGNizASC4jQEovIWaAzD1h5oDOEtAAFgBagVCQVNJQ3IIS0xXWTgyQkEKMAjBhgESAjY1GLiNASDBUii8j5oDMO2WmgM4S0ABWAFqBUJBU0lDcghLTFdZODJCQQowCNCOARIDOTA1GMFSIJJAKMuZmgMwm5qaAzhRQAFYAWoFQkFTSUNyCEtMV1k4MkJBCpgBCjAI0I4BEgM5MDgYkkAgwVIojuGaAzDZ4ZoDOFFAAFgBagVCQVNJQ3IIS0xYWTgyQkEKMAjBhgESAjY2GMFSILiNASjF5poDMO_smgM4S0ABWAFqBUJBU0lDcghLTFhZODJCQQoyCMGGARIDMzQ4GLiNASDYswEojPSaAzCn9poDOEtAAVgBagVCQVNJQ3IIS0xYWTgyQkESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Wed, Aug 26 - Sun, Sep 13 YOW Ottawa SAI Siem Reap CA $1,628 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SAI,departure:26/08/2026TANYT&leg2=from:SAI,to:YOW,departure:13/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1627.62&airProductToken=AQplCiEIwYYBEgMzNDUY2LMBILiNASiokZYDMNOTlgM4S0AAWAEKHwjBhgESAjY1GLiNASDBUiiclZYDMM2clgM4S0ABWAEKHwjQjgESAzkwMxjBUiCSQCjonZYDMLielgM4UUABWAEKZQofCNCOARIDOTA4GJJAIMFSKK7XlwMw-deXAzhRQABYAQofCMGGARICNjYYwVIguI0BKOXclwMwj-OXAzhLQAFYAQohCMGGARIDMzQyGLiNASDYswEom-SXAzCn5pcDOEtAAVgBEgoIARABGAEqAkFDGAEiBAgBEAEoCCgEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Oct 10 - Sun, Oct 18 YOW Ottawa SAI Siem Reap CA $1,636 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SAI,departure:10/10/2026TANYT&leg2=from:SAI,to:YOW,departure:18/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1635.62&airProductToken=AQqYAQoyCMGGARIDMzQzGNizASC4jQEor4aaAzDoiJoDOEtAAFgBagVCQVNJQ3IIS0xXWTgyQkEKMAjBhgESAjY1GLiNASDBUii8j5oDMO2WmgM4S0ABWAFqBUJBU0lDcghLTFdZODJCQQowCNCOARIDOTA1GMFSIJJAKMuZmgMwm5qaAzhRQAFYAWoFQkFTSUNyCEtMV1k4MkJBCpgBCjAI0I4BEgM5MjQYkkAgwVIowNyaAzCQ3ZoDOFFAAFgBagVCQVNJQ3IIS0xYWTgyQkEKMAjBhgESAjY2GMFSILiNASjF5poDMO_smgM4S0ABWAFqBUJBU0lDcghLTFhZODJCQQoyCMGGARIDMzQyGLiNASDYswEo--2aAzCH8JoDOEtAAVgBagVCQVNJQ3IIS0xYWTgyQkESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Jan 9 - Sat, Jan 16 YOW Ottawa SAI Siem Reap CA $1,653 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SAI,departure:09/01/2027TANYT&leg2=from:SAI,to:YOW,departure:16/01/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1652.62&airProductToken=AQqYAQoyCMGGARIDMzQ1GNizASC4jQEo1YuiAzCOjqIDOEtAAFgBagVCQVNJQ3IIS0xXWTgyQkEKMAjBhgESAjY1GLiNASDBUijJj6IDMKKXogM4S0ABWAFqBUJBU0lDcghLTFdZODJCQQowCNCOARIDOTA1GMFSIJJAKMSZogMwlJqiAzhRQAFYAWoFQkFTSUNyCEtMV1k4MkJBCpgBCjAI0I4BEgM5MDgYkkAgwVIoydWiAzCe1qIDOFFAAFgBagVCQVNJQ3IIS0xXWTgyQkEKMAjBhgESAjY2GMFSILiNASjL26IDMOvhogM4S0ABWAFqBUJBU0lDcghLTFdZODJCQQoyCMGGARIDMzQ4GLiNASDYswEo2-iiAzD26qIDOEtAAVgBagVCQVNJQ3IIS0xXWTgyQkESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Oct 10 - Sun, Oct 18 YOW Ottawa SAI Siem Reap CA $1,669 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SAI,departure:10/10/2026TANYT&leg2=from:SAI,to:YOW,departure:18/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1668.62&airProductToken=AQqYAQoyCMGGARIDMzQxGNizASC4jQEovIWaAzD1h5oDOEtAAFgBagVCQVNJQ3IIS0xXWTgyQkEKMAjBhgESAjY1GLiNASDBUii8j5oDMO2WmgM4S0ABWAFqBUJBU0lDcghLTFdZODJCQQowCNCOARIDOTA3GMFSIJJAKNucmgMwoZ2aAzhRQAFYAWoFQkFTSUNyCEtMV1k4MkJBCpgBCjAI0I4BEgM5MjQYkkAgwVIowNyaAzCQ3ZoDOFFAAFgBagVCQVNJQ3IIS0xYWTgyQkEKMAjBhgESAjY2GMFSILiNASjF5poDMO_smgM4S0ABWAFqBUJBU0lDcghLTFhZODJCQQoyCMGGARIDMzQyGLiNASDYswEo--2aAzCH8JoDOEtAAVgBagVCQVNJQ3IIS0xYWTgyQkESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Aug 29 - Sun, Sep 13 YOW Ottawa SAI Siem Reap CA $1,678 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SAI,departure:29/08/2026TANYT&leg2=from:SAI,to:YOW,departure:13/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1677.62&airProductToken=AQplCiEIwYYBEgMzNDUY2LMBILiNASiIs5YDMLO1lgM4S0AAWAEKHwjBhgESAjY1GLiNASDBUij8tpYDMK2-lgM4S0ABWAEKHwjQjgESAzkwMxjBUiCSQCjIv5YDMJjAlgM4UUABWAEKZQofCNCOARIDOTA4GJJAIMFSKK7XlwMw-deXAzhRQABYAQofCMGGARICNjYYwVIguI0BKOXclwMwj-OXAzhLQAFYAQohCMGGARIDMzQyGLiNASDYswEom-SXAzCn5pcDOEtAAVgBEgoIARABGAEqAkFDGAEiBAgBEAEoCCgEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Jan 9 - Sat, Jan 16 YOW Ottawa SAI Siem Reap CA $1,686 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SAI,departure:09/01/2027TANYT&leg2=from:SAI,to:YOW,departure:16/01/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1685.62&airProductToken=AQqYAQoyCMGGARIDMzQ1GNizASC4jQEo1YuiAzCOjqIDOEtAAFgBagVCQVNJQ3IIS0xXWTgyQkEKMAjBhgESAjY1GLiNASDBUijJj6IDMKKXogM4S0ABWAFqBUJBU0lDcghLTFdZODJCQQowCNCOARIDOTA1GMFSIJJAKMSZogMwlJqiAzhRQAFYAWoFQkFTSUNyCEtMV1k4MkJBCpgBCjAI0I4BEgM5MDYYkkAgwVIo3NKiAzCx06IDOFFAAFgBagVCQVNJQ3IIS0xXWTgyQkEKMAjBhgESAjY2GMFSILiNASjL26IDMOvhogM4S0ABWAFqBUJBU0lDcghLTFdZODJCQQoyCMGGARIDMzQ4GLiNASDYswEo2-iiAzD26qIDOEtAAVgBagVCQVNJQ3IIS0xXWTgyQkESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Dec 1 - Tue, Dec 22 YOW Ottawa SAI Siem Reap CA $1,703 Roundtrip found 6 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SAI,departure:01/12/2026TANYT&leg2=from:SAI,to:YOW,departure:22/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1702.31&airProductToken=AQqYAQoyCMGGARIDMzQ1GNizASC4jQEo9dSeAzCu154DOEtAAFgBagVCQVNJQ3IIS0xYWTgyQkEKMAjBhgESAjY1GLiNASDBUijp2J4DMMLgngM4S0ABWAFqBUJBU0lDcghLTFhZODJCQQowCNCOARIDOTA3GMFSIJJAKNHlngMwoeaeAzhRQAFYAWoFQkFTSUNyCEtMWFk4MkJBCpgBCjAI0I4BEgM5MDgYkkAgwVIoqbygAzD-vKADOFRAAFgBagVCQVNJQ3IIS0hYWTgyQkEKMAjBhgESAjY2GMFSILiNASirwqADMMvIoAM4S0ABWAFqBUJBU0lDcghLSFhZODJCQQoyCMGGARIDMzQyGLiNASDYswEor8mgAzC-y6ADOEtAAVgBagVCQVNJQ3IIS0hYWTgyQkESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, Aug 29 - Thu, Sep 17 YOW Ottawa SAI Siem Reap CA $1,728 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SAI,departure:29/08/2026TANYT&leg2=from:SAI,to:YOW,departure:17/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1727.62&airProductToken=AQplCiEIwYYBEgMzNDUY2LMBILiNASiIs5YDMLO1lgM4S0AAWAEKHwjBhgESAjY1GLiNASDBUij8tpYDMK2-lgM4S0ABWAEKHwjQjgESAzkwMxjBUiCSQCjIv5YDMJjAlgM4UUABWAEKZQofCNCOARIDOTA4GJJAIMFSKK6EmAMw-YSYAzhRQABYAQofCMGGARICNjYYwVIguI0BKOWJmAMwj5CYAzhLQAFYAQohCMGGARIDMzQyGLiNASDYswEoqpGYAzDFk5gDOEtAAVgBEgoIARABGAEqAkFDGAEiBAgBEAEoCCgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Dec 1 - Tue, Dec 22 YOW Ottawa SAI Siem Reap CA $2,306 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YOW,to:SAI,departure:01/12/2026TANYT&leg2=from:SAI,to:YOW,departure:22/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2305.02&airProductToken=AQrwAQo_CNWCARIEODI5MRjYswEgmM4BKJ7TngMw79OeAzhTQABYAWoFMl9lY29yCFNMWDc3U09TegoIwYYBEgQ4MjkxCj4I1YIBEgQ4NDMzGJjOASCycSi71Z4DMJjYngM4U0AAWAFqBTJfZWNvcghTTFg3N1NPU3oKCMGGARIEODQzMwouCNWCARIBMRiycSCSaijL2J4DMODgngM4U0AAWAFqBTJfZWNvcghTTFg3N1NPUwo9CNWCARIENzY5MBiSaiCSQCjw454DMPfkngM4U0AAWAFqBTJfZWNvcghTTFg3N1NPU3oKCNOiARIENzY5MArXAQo9CNWCARIENzY4ORiSQCCSaiiJu6ADMJq8oAM4VkAAWAFqBTJfZWNvcghWTFgwMFNPVnoKCNOiARIENzY4OQovCNWCARICMjgYkmogsnEonL2gAzCbxKADOFZAAFgBagUyX2Vjb3IIVkxYMDBTT1YKMQjVggESBDI4NDcYsnEgrhwo8sWgAzD8x6ADOFZAAFgBagUyX2Vjb3IIVkxYMDBTT1YKMgjVggESBDM1MDkYrhwg2LMBKJDLoAMwlsygAzhWQABYAWoFMl9lY29yCFZMWDAwU09WEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwCw) ![](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 Chi Kraeng 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:SAI,departure:26/03/2026TANYT&leg2=from:SAI,to:YOW,departure:02/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SAI Siem Reap Angkor Intl. Airport Cheapest [Flights from CA $2,227 ](https://www.expedia.ca/Flights-Search?leg1=from:YOW,to:SAI,departure:26/03/2026TANYT&leg2=from:SAI,to:YOW,departure:02/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Travel information | Origin airport | Macdonald-Cartier Intl. | | ------------------- | ------------------------------ | | Destination airport | Siem Reap Angkor Intl. Airport | | Roundtrip price | CA $1,603 | | Distance | 13409 km | ## Book with confidence # Ottawa to Chi Kraeng Flights **The easy way to book your flights from Ottawa to Siem Reap Angkor Intl. Airport** With Expedia, it’s simple to find and book flights to Siem Reap Angkor Intl. Airport 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 Siem Reap Angkor Intl. Airport, 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 Siem Reap Angkor Intl. Airport today, tomorrow, or this week. **Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to Siem Reap Angkor Intl. Airport, SAI** Sort your search results by price to find great deals on your flight from Ottawa to Siem Reap Angkor Intl. Airport—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Siem Reap Angkor Intl. Airport from Ottawa currently is just CA $1,603 rising to CA $2,306\. Here are more money-saving tips: - Fly in October when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Siem Reap Angkor Intl. Airport - 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 Siem Reap Angkor Intl. Airport 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 Siem Reap Angkor Intl. Airport with Expedia today. \*Available to Expedia members.