Title: Cheap Flights to Tras-os-Montes from CA $424 - Expedia.ca ![A beautiful pearl at Douro valley!](https://images.trvl-media.com/place/553248635975870087/61f23b1a-712a-443b-b405-087cbc4a73b3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Jazzinto ![](https://images.trvl-media.com/place/553248635975870087/61f23b1a-712a-443b-b405-087cbc4a73b3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Tras-os-Montes from CA $424 [View CA $424 flight on Fri, Jan 16, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YYZ,to:OPO,departure:16/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:423.33&airProductToken=AQpbCiwI02gSAzMyMhiYzgEg71go3dGCAzC21IIDOE9AAFgBagNTUExyBk9PMlNQTAorCNNoEgMxNzIY71gg7nMomtWCAzCm1oIDOExAAVgBagNTUExyBk9PMlNQTBIKCAEQARgBKgJTNBgBIgQIARABKAIoAygEMAE) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Tras-os-Montes Travel Guide](https://expedia.ca/Tras-Os-Montes.dx6055555)[Hotels in Tras-os-Montes](https://expedia.ca/Tras-Os-Montes-Hotels.d6055555.Travel-Guide-Hotels)[Things to do in Tras-os-Montes](https://expedia.ca/Things-To-Do-In-Tras-Os-Montes.d6055555.Travel-Guide-Activities)[Tras-os-Montes Car Rentals](https://expedia.ca/Car-Rentals-In-Tras-Os-Montes.d6055555.Car-Rental-Guide)[Tras-os-Montes Vacation Packages](https://expedia.ca/Tras-Os-Montes.d6055555.Destination-Travel-Guides) ## Popular airlines - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines - ![notification illustration](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\* - ![deals illustration](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\* - ![trophy illustration](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) ## How much is the cheapest flight to Tras-os-Montes? Prices were available within the past 7 days and start at CA $424 for one-way flights and CA $665 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) Tue, Jan 20 - Tue, Jan 27 YYZ Toronto OPO Porto CA $689 Roundtrip found 4 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:OPO,departure:20/01/2026TANYT&leg2=from:OPO,to:YYZ,departure:27/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:688.53&airProductToken=AQpyCjEIwYYBEgM4ODAYmM4BILk8KLX-ggMwlYKDAzhLQABYAWoFQkFTSUNyCEtaMUFYVUJRCj0IwYYBEgQ2ODU0GLk8IO5zKP6MgwMwo46DAzhLQAFYAWoFQkFTSUNyCEtaMUFYVUJRegoIzLABEgQyMDY2CnkKNAjMsAESBDIwNjcY7nMguTwo9caDAzCGyIMDOEtAAFgBaghFQ09MSUdIVHIIS1oxQVhVQlEKQQjMsAESBDQ2NDAYuTwgmM4BKKTSgwMwxdaDAzhLQAFYAWoIRUNPTElHSFRyCEtaMUFYVUJRegoIwYYBEgQ0NjQwEgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Air Transat](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TS.gif) Wed, May 20 - Thu, May 28 YYZ Toronto OPO Porto CA $690 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:OPO,departure:20/05/2026TANYT&leg2=from:OPO,to:YYZ,departure:28/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:689.95&airProductToken=AQowCi4I1KYBEgM3NjQYmM4BIO5zKMvFjQMw5ciNAzhPQABYAWoDQkdUcgdPMEJHVDFDCjAKLgjUpgESAzc2NRjucyCYzgEorpiOAzCJnI4DOE9AAFgBagNCR1RyB08wQkdUMUMSCggBEAEYASoCVFMYASIECAEQASgCKAMoBDAN) ![Porter Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PD.gif) Tue, May 12 - Wed, May 27 YTZ Toronto OPO Porto CA $691 Roundtrip found 20 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YTZ,to:OPO,departure:12/05/2026TANYT&leg2=from:OPO,to:YTZ,departure:27/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:690.09&airProductToken=AQpxCjEI0IgBEgQyNDczGPjMASCYXSil54wDMPDnjAM4VkAAWAFqBUJBU0lDcgdWMEJTQzFDCjwI0IgBEgQ3MTc0GJhdIO5zKL3pjAMwueyMAzhWQAFYAWoFQkFTSUNyB1YwQlNDMUN6CgjUpgESBDcxNzQKcQo8CNCIARIENzE3NRjucyCYXSjdio4DMJCOjgM4VkAAWAFqBUJBU0lDcgdWMEJTQzFDegoI1KYBEgQ3MTc1CjEI0IgBEgQyNDcyGJhdIPjMASj2j44DMMiQjgM4VkABWAFqBUJBU0lDcgdWMEJTQzFDEgoIARABGAEqAlBEGAEiBAgBEAEoAigDKAQwAQ) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Thu, Jan 22 - Thu, Jan 29 YUL Montreal OPO Porto CA $693 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:OPO,departure:22/01/2026TANYT&leg2=from:OPO,to:YUL,departure:29/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:692.71&airProductToken=AQpqCjIIzLABEgI4NxiYXSC5PCiZk4MDMNuWgwM4S0AAWAFqCEVDT0xJR0hUcghLWjFBWFVCUQo0CMywARIEMjA2Nhi5PCDucyiUmIMDML6ZgwM4S0ABWAFqCEVDT0xJR0hUcghLWjFBWFVCUQpqCjQIzLABEgQyMDY3GO5zILk8KLXdgwMwxt6DAzhLQABYAWoIRUNPTElHSFRyCEtaMUFYVUJRCjIIzLABEgI4Nhi5PCCYXSi86IMDMLrsgwM4S0ABWAFqCEVDT0xJR0hUcghLWjFBWFVCURIKCAIQARgCKgJMWBgBIgQIARABKAIoAygEMAs) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Sat, Apr 18 - Sat, Apr 25 YUL Montreal OPO Porto CA $705 Roundtrip found 1 hour ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YUL,to:OPO,departure:18/04/2026TANYT&leg2=from:OPO,to:YUL,departure:25/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:704.21&airProductToken=AQprCjMIzJABEgM0NzUYmF0gjBUoiNyKAzC734oDOEtAAFgBaghFQ09MSUdIVHIIS1oxQVhVQlEKNAjMkAESBDE3ODgYjBUg7nMo7eSKAzCh5ooDOEtAAVgBaghFQ09MSUdIVHIIS1oxQVhVQlEKawo0CMyQARIEMTc4ORjucyCMFSjgoYsDMIqjiwM4S0AAWAFqCEVDT0xJR0hUcghLWjFBWFVCUQozCMyQARIDNDc0GIwVIJhdKJWmiwMw-qmLAzhLQAFYAWoIRUNPTElHSFRyCEtaMUFYVUJREgoIAhABGAIqAkxIGAEiBAgBEAEoAigDKAQwCw) Expedia.ca gives you the best tools to secure great deals on flights to Tras-os-Montes. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Tras-os-Montes. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Tras-os-Montes. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Tras-os-Montes flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Tras-os-Montes. Looking to save even more? Get additional savings by bundling your Tras-os-Montes flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Tras-os-Montes trip! ## Frequently asked questions ### How do I find cheap flights to Tras-os-Montes that have flexible change policies? ### Which airlines fly to Tras-os-Montes? ### How can I find cheap tickets to Tras-os-Montes? ### How much is a flight to Tras-os-Montes? ### What are the most popular airports to fly into in Tras-os-Montes? ### When is the cheapest time to fly to Tras-os-Montes? ### How much is a plane ticket to Tras-os-Montes? ### What are the best things to do in Tras-os-Montes? > - Filled with culture and energy, Porto is an excellent place to start your Tras-os-Montes escape. Take in renowned attractions like Porto Cathedral, get some retail therapy or wine and dine your way around some of this destination's awesome bars and restaurants. The decision is yours! > - Porto is known for its Mediterranean climate. But before you jet off, have a look at what the weather conditions will be like while you're there. Hot, cold, wet or dry, it's always a good idea to be prepared! > - Be sure to make Lisbon District the next place you go. It's around 274 kilometres to the south of Porto and the home of Sintra Mountains, one of this city's leading tourist sights. ### What is the best time to go to Tras-os-Montes? ### What months are the cheapest to book a flight to Tras-os-Montes? __Flights to Tras-os-Montes information__ | Destination airport | Dr. Francisco de Sa Carneiro | | ----------------------------- | ---------------------------- | | Destination airport IATA code | OPO | | Destination city name | Porto | | Roundtrip price | CA $689 | ## Trending flights to Tras-os-Montes Prices were available within the past 7 days and start at CA $424 for one-way flights and CA $665 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) Thu, Mar 19 - Sat, Apr 18 YYZ Toronto OPO Porto CA $665 Roundtrip found 6 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YYZ,to:OPO,departure:19/03/2026TANYT&leg2=from:OPO,to:YYZ,departure:18/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:664.52&airProductToken=AQpuCjYI1YIBEgQzNjQ5GJjOASDEjQEo7YaIAzDVh4gDOEtAAFgBaghFQ09CQVNJQ3IIS1oxQVhVQlEKNAjVggESAzE0NBjEjQEg7nMoxYuIAzDajogDOEtAAVgBaghFQ09CQVNJQ3IIS1oxQVhVQlEKfwo9CMGGARIEOTI5MhjucyCMFSiA04oDMKrUigM4S0AAWAFqBUJBU0lDcghLWjFBWFVCUXoKCMyQARIEOTI5Mgo-CMGGARIEOTYwMxiMFSCYzgEog9eKAzCG24oDOEtAAVgBagVCQVNJQ3IIS1oxQVhVQlF6CgjMkAESBDk2MDMSCggCEAEYAioCQUMYASIECAEQASgCKAMoBDAB) ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - [4 Star Hotels in Douro Valley ](https://www.expedia.ca/4Star-Douro-Valley-Hotels.s40-0-d6055559.Travel-Guide-Filter-Hotels) - 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