Cheap Flights to Tras-os-Montes from CA $381

View CA $381 flight on Mon, Sep. 22, 2025Opens in a new window

Popular airlines

  • Air Canada

    Air Canada

  • WestJet

    WestJet

  • Flair Airlines

    Flair Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Porter Airlines

    Porter Airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Tras-os-Montes?

Prices were available within the past 7 days and start at CA $381 for one-way flights and CA $423 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Nov. 1 - Sat, Nov. 8
YUL
Montreal
OPO
Porto
CA $423 Roundtrip, found 4 hours ago
CA $423
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Nov. 1 from Montreal to Porto, returning Sat, Nov. 8, priced at CA $423 found 4 hours ago
Iberia
Fri, Oct. 17 - Fri, Oct. 31
YYZ
Toronto
OPO
Porto
CA $496 Roundtrip, found 11 hours ago
CA $496
Roundtrip
found 11 hours ago
Select Iberia flight, departing Fri, Oct. 17 from Toronto to Porto, returning Fri, Oct. 31, priced at CA $496 found 11 hours ago
TAP Portugal
Sun, Feb. 1 - Sun, Feb. 8
YYZ
Toronto
OPO
Porto
CA $624 Roundtrip, just found
CA $624
Roundtrip
just found
Select TAP Portugal flight, departing Sun, Feb. 1 from Toronto to Porto, returning Sun, Feb. 8, priced at CA $624 just found
British Airways
Wed, Jan. 28 - Fri, Jan. 30
YYZ
Toronto
OPO
Porto
CA $667 Roundtrip, found 1 day ago
CA $667
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Jan. 28 from Toronto to Porto, returning Fri, Jan. 30, priced at CA $667 found 1 day ago
Air Transat
Tue, Aug. 26 - Tue, Sep. 9
YUL
Montreal
OPO
Porto
CA $721 Roundtrip, found 10 hours ago
CA $721
Roundtrip
found 10 hours ago
Select Air Transat flight, departing Tue, Aug. 26 from Montreal to Porto, returning Tue, Sep. 9, priced at CA $721 found 10 hours ago

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?
We know that travel plans can change in a flash, so locking in a flexible fare with Expedia is a sensible idea. Just check the "No change fee" box under the "Flexible change policies" filter. Your affordable, flexible flight to Tras-os-Montes is just a few clicks away.
Which airlines fly to Tras-os-Montes?
TAP Air Portugal operates flights into or near Tras-os-Montes, including 26 that land at Dr. Francisco de Sa Carneiro Airport (OPO) each month. Choose your travel dates and then lock in your airfare early for the best deal.
How can I find cheap tickets to Tras-os-Montes?
For an unbeatable deal to Tras-os-Montes, book ahead of time. Also use Expedia's "flexible dates" feature at the top of your search results. This will display prices for similar time frames. In the last seven days, CA $423 was the best price for a flight to Tras-os-Montes.
How much is a flight to Tras-os-Montes?
In the last seven days, round-trip flights to Tras-os-Montes sold from just CA $423 and reached a maximum of CA $721. For one-way trips leaving Toronto (YYZ), the lowest amount paid during this time was CA $381.
What are the most popular airports to fly into in Tras-os-Montes?
The number one gateway to Tras-os-Montes, around 26 flights service Dr. Francisco de Sa Carneiro Airport (OPO) each month. Keep an eye out for a great deal, book your ticket and get ready to experience this amazing region.
When is the cheapest time to fly to Tras-os-Montes?
Departing on a Tuesday, followed by a Monday, is generally the best way to score the cheapest flight. Stay away from the weekends if possible, because Saturday is typically the costliest day. Spend the funds you saved having a ball in Tras-os-Montes instead!
How much is a plane ticket to Tras-os-Montes?
In the last seven days, plane fares to Tras-os-Montes cost between CA $423 and CA $721. Prices tend to rise over time, so land yourself a cheap flight today.
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?
Porto, Tras-os-Montes's main city, is a superb location to explore at anytime. Not into the cold? Then head here from June 20 onward in summer, when temperatures fluctuate from 16ºC to 25ºC. May, June and August is when Porto lures the biggest crowds.
What months are the cheapest to book a flight to Tras-os-Montes?
To secure a fabulous deal to Tras-os-Montes, book during February when the prices are at their cheapest. When's the most costly? In the United States, it's December.
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 $423

Trending flights to Tras-os-Montes

Prices were available within the past 7 days and start at CA $381 for one-way flights and CA $423 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Nov. 1 - Sat, Nov. 8
YUL
Montreal
OPO
Porto
CA $423 Roundtrip, found 4 hours ago
CA $423
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Nov. 1 from Montreal to Porto, returning Sat, Nov. 8, priced at CA $423 found 4 hours ago
*Available to Expedia members.