--- title: "CA $816 Cheap Flights from Great Falls (GTF) to Lisbon (LIS)" description: "Cheap Flights from Great Falls (GTF) to Lisbon (LIS) start at CA $816 for one-way and CA $1,111 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.ca/lp/flights/gtf/lis/great-falls-to-lisbon" language: en-CA market: CA currency: CAD prices_as_of: 2026-11-14T18:10:45Z --- # CA $816 Cheap Flights from Great Falls (GTF) to Lisbon (LIS) ![A coastal cityscape with colorful buildings, a prominent cathedral, and a beach in the background.](https://images.trvl-media.com/place/5458252/62b60a5a-6385-4ea6-9e62-c5d490e4acd3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View CA $816 flight on Tue, Jan 12, 2027](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:815.09&airProductToken=AQqkAQo1CMSYARIEMzg2MhjmLCDyEijOqKIDMK2pogM4RUAAWAFqCU1BSU5CQVNJQ3IIS0xYODlTQlUKNAjEmAESAzk3MxjyEiCpUSjSqqIDMOasogM4RUABWAFqCU1BSU5CQVNJQ3IIS0xYODlTQlUKNQjEmAESAzI3MhipUSCLkgEo0K6iAzDgsaIDOEVAAVgBaglNQUlOQkFTSUNyCEtMWDg5U0JVEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ## Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Humberto Delgado Airport (LIS) [Air Canada](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:28/11/2026TANYT&leg2=from:LIS,to:GTF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) [WestJet](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:28/11/2026TANYT&leg2=from:LIS,to:GTF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) [Flair Airlines](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:28/11/2026TANYT&leg2=from:LIS,to:GTF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) [American Airlines](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:28/11/2026TANYT&leg2=from:LIS,to:GTF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [United](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:28/11/2026TANYT&leg2=from:LIS,to:GTF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Delta](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:28/11/2026TANYT&leg2=from:LIS,to:GTF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [Porter Airlines](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:28/11/2026TANYT&leg2=from:LIS,to:GTF,departure:05/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap Flights from Great Falls to Lisbon (GTF-LIS) Prices were available within the past 7 days and start at CA $816 for one-way flights and CA $1,111 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select Delta flight, departing Tue, Jan 12 from Great Falls to Lisbon, returning Mon, Jan 25, priced at CA $1,111 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&leg2=from:LIS,to:GTF,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1110.09&airProductToken=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) Tue, Jan 12 - M · on, Jan 25 · GTF · LIS · Roundtrip [Select Delta flight, departing Tue, Jan 12 from Great Falls to Lisbon, returning Mon, Jan 25, priced at CA $1,115 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&leg2=from:LIS,to:GTF,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1114.99&airProductToken=AQqxAQo1CMSYARIEMzg1ORjmLCDyEiimrKIDMIytogM4RUAAWAFqCU1BSU5CQVNJQ3IIVkxYODZTQlUKNAjEmAESAzMwMBjyEiDiMCi1raIDMJyyogM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYODZTQlUKQgjEmAESBDgyOTYY4jAgi5IBKOmzogMwjrWiAzhFQAFYAWoJTUFJTkJBU0lDcghWTFg4NlNCVXoKCMGMARIEODI5NgqyAQpDCMSYARIEOTYxNhiLkgEggJMBKLK6owMw5rujAzhFQABYAWoJTUFJTkJBU0lDcghWTFg4NlNCVXoKCMuYARIEOTYxNgo0CMSYARICNTcYgJMBIPISKJ7EowMwnsmjAzhFQAFYAWoJTUFJTkJBU0lDcghWTFg4NlNCVQo1CMSYARIEMzgwMBjyEiDmLCiEy6MDMO%5FLowM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYODZTQlUSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) Tue, Jan 12 - Mon, Jan 25 · GTF · LIS · Roundtrip [Select Delta flight, departing Tue, Jan 12 from Great Falls to Lisbon, returning Mon, Jan 25, priced at CA $1,121 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&leg2=from:LIS,to:GTF,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1120.99&airProductToken=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) Tue, Jan 12 - Mon, Jan 25 · GTF · LIS · Roundtrip [Select Delta flight, departing Tue, Jan 12 from Great Falls to Lisbon, returning Mon, Jan 25, priced at CA $1,138 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&leg2=from:LIS,to:GTF,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1137.29&airProductToken=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) Tue, Jan 12 - Mon, Jan 25 · GTF · LIS · Roundtrip [Select Delta flight, departing Tue, Jan 12 from Great Falls to Lisbon, returning Mon, Jan 25, priced at CA $1,143 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&leg2=from:LIS,to:GTF,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1142.19&airProductToken=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) Tue, Jan 12 - Mon, Jan 25 · GTF · LIS · Roundtrip [Select Delta flight, departing Tue, Jan 12 from Great Falls to Lisbon, returning Mon, Jan 25, priced at CA $1,144 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&leg2=from:LIS,to:GTF,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1143.39&airProductToken=AQqlAQoxCMSYARIEMzgwMBjmLCDyEijXrqIDML2vogM4RUAAWAFqBUxJR0hUcghPTFg4NlNCVQowCMSYARIDOTczGPISIKlRKPK1ogMwhriiAzhFQAFYAWoFTElHSFRyCE9MWDg2U0JVCj4I1qYBEgQzODk1GKlRIIuSASjwuaIDMIC9ogM4VEABWAFqBUxJR0hUcghPTFg4NlNCVXoKCMSYARIEMzg5NQqyAQpDCMSYARIEOTYxNhiLkgEggJMBKLK6owMw5rujAzhFQABYAWoJTUFJTkJBU0lDcghWTFg4NlNCVXoKCMuYARIEOTYxNgo0CMSYARICNTcYgJMBIPISKJ7EowMwnsmjAzhFQAFYAWoJTUFJTkJBU0lDcghWTFg4NlNCVQo1CMSYARIEMzgwMBjyEiDmLCiEy6MDMO%5FLowM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYODZTQlUSCggBEAEYASoCVlMYASIECAEQASgCKAMoBDAB) Tue, Jan 12 - Mon, Jan 25 · GTF · LIS · Roundtrip [Select Delta flight, departing Tue, Jan 12 from Great Falls to Lisbon, returning Mon, Jan 25, priced at CA $1,149 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&leg2=from:LIS,to:GTF,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1148.19&airProductToken=AQqyAQo1CMSYARIEMzg2MhjmLCDyEijOqKIDMK2pogM4RUAAWAFqCU1BSU5CQVNJQ3IIVkxYODZTQlUKNAjEmAESAjU2GPISIICTASiNraIDMOCxogM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYODZTQlUKQwjEmAESBDk1NzYYgJMBIIuSASi8s6IDMPC0ogM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYODZTQlV6CgjLmAESBDk1NzYKsQEKQgjEmAESBDg0NDMYi5IBIOIwKOm6owMwhLyjAzhFQABYAWoJTUFJTkJBU0lDcghWTFg4NlNCVXoKCMGMARIEODQ0Mwo0CMSYARIDMzAxGOIwIPISKMbEowMw5cmjAzhFQAFYAWoJTUFJTkJBU0lDcghWTFg4NlNCVQo1CMSYARIEMzgwMBjyEiDmLCiEy6MDMO%5FLowM4RUABWAFqCU1BSU5CQVNJQ3IIVkxYODZTQlUSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) Tue, Jan 12 - Mon, Jan 25 · GTF · LIS · Roundtrip [Select KLM flight, departing Tue, Jan 12 from Great Falls to Lisbon, returning Mon, Jan 25, priced at CA $1,155 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&leg2=from:LIS,to:GTF,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1154.62&airProductToken=AQq0AQo9CMuYARIENjk0MRjmLCDyEijOqKIDMK2pogM4VkAAWAFqBUxJR0hUcghWTFg4NlNCVXoKCMSYARIENjk0MQo-CMuYARIENjAyNhjyEiCAkwEoja2iAzDgsaIDOFZAAVgBagVMSUdIVHIIVkxYODZTQlV6CgjEmAESBDYwMjYKMwjLmAESBDE1ODcYgJMBIIuSASi%5Ft6IDMO64ogM4TEABWAFqBUxJR0hUcghWTFg4NlNCVQq0AQozCMuYARIEMTU4MBiLkgEggJMBKLK6owMw5rujAzhMQABYAWoFTElHSFRyCFZMWDg2U0JVCj4Iy5gBEgQ2MDI3GICTASDyEiiexKMDMJ7JowM4VkABWAFqBUxJR0hUcghWTFg4NlNCVXoKCMSYARIENjAyNwo9CMuYARIENzExNxjyEiDmLCiEy6MDMO%5FLowM4VkABWAFqBUxJR0hUcghWTFg4NlNCVXoKCMSYARIENzExNxIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) Tue, Jan 12 - Mon, Jan 25 · GTF · LIS · Roundtrip [Select Air France flight, departing Tue, Jan 12 from Great Falls to Lisbon, returning Mon, Jan 25, priced at CA $1,224 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&leg2=from:LIS,to:GTF,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:1223.94&airProductToken=AQq-AQo9CMGMARIEMjIyNhjmLCDyEiimrKIDMIytogM4VkAAWAFqBUxJR0hUcghWTFg4NlNCVXoKCMSYARIEMjIyNgo9CMGMARIEMjQwMxjyEiCpUSjytaIDMIa4ogM4VkABWAFqBUxJR0hUcghWTFg4NlNCVXoKCMSYARIEMjQwMwo-CMGMARIEMzY2MRipUSCLkgEo8LmiAzCAvaIDOFZAAVgBagVMSUdIVHIIVkxYODZTQlV6CgjEmAESBDM2NjEKqAEKMwjLmAESBDE1ODQYi5IBIICTASinvKMDMNa9owM4VkAAWAFqBUxJR0hUcghPTFg4NlNCVQo-CNamARIEMzk0MhiAkwEg8hIonsSjAzCeyaMDOFRAAVgBagVMSUdIVHIIT0xYODZTQlV6CgjEmAESBDM5NDIKMQjEmAESBDM4NDUY8hIg5iwoos2jAzCKzqMDOEVAAVgBagVMSUdIVHIIT0xYODZTQlUSCggBEAEYASoCQUYYASIECAEQASgCKAMoBDAB) Tue, Jan 12 - Mon, Jan 25 · GTF · LIS · Roundtrip [Select Alaska Airlines flight, departing Tue, Jan 12 from Great Falls to Lisbon, returning Mon, Jan 25, priced at CA $2,675 Found 5 days ago](https://www.expedia.ca/Flights-Search?leg1=from:GTF,to:LIS,departure:12/01/2027TANYT&leg2=from:LIS,to:GTF,departure:25/01/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:2674.09&airProductToken=AQqeAQouCMGmARIEMjQ0NBjmLCCSASjMraIDMLuuogM4T0AAWAFqAk1BcghPSDVFWFVNTgouCMGmARIDMTAwGJIBIOuJASigr6IDMOSzogM4U0ABWAFqAk1BcghTTFg4Wk9NTgo8CMGmARIENTM2MhjriQEgi5IBKPS2ogMwnriiAzhTQAFYAWoCTUFyCFNMWDhaT01OegoIwoIBEgQ1MzYyCp4BCjwIwaYBEgQ1MzM5GIuSASDriQEoqbijAzDduaMDOFNAAFgBagJNQXIIU0xXNVpPTU56CgjCggESBDUzMzkKLgjBpgESAzEwMRjriQEgkgEo9bujAzDSwKMDOFNAAVgBagJNQXIIU0xXNVpPTU4KLgjBpgESBDI0NDQYkgEg5iwohMqjAzDkyqMDOE9AAVgBagJNQXIIT0g1RVhVTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) Tue, Jan 12 - Mon, Jan 25 · GTF · LIS · Roundtrip ## Book with confidence ### Great Falls to Lisbon Flights #### The easy way to book your flights from Great Falls to Lisbon With Expedia, it’s simple to find and book flights to Lisbon from Great Falls whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 4 airlines that cover this route. There are nonstop flights to Humberto Delgado, 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 Great Falls to Lisbon today, tomorrow, or this week. #### Save dollars with cheap flights from Great Falls Intl., GTF to Humberto Delgado, LIS Sort your search results by price to find great deals on your flight from Great Falls to Lisbon—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Lisbon from Great Falls currently is just CA $1,111 rising to CA $2,675\. Here are more money-saving tips: - Fly in January when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Lisbon - 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 Lisbon from Great Falls 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 Lisbon with Expedia today. ## Travel information | Origin airport | Great Falls, MT | | ------------------- | ------------------------ | | Destination airport | Humberto Delgado Airport | | Distance | 7,729 km away | | Roundtrip price | CA $1,111 | \*Available to Expedia members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/ ar: https://www.expedia.sa/lp/flights/gtf/lis/great-falls-to-lisbon ```