Flights to Tras-os-Montes, Portugal from NT$3,584

View NT$1,306 flight on Wed, 2026/5/20Opens in a new window

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

Prices were available within the past 7 days and start at NT$1,306 for one-way flights and NT$3,584 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Europa
Sun, Apr 5 - Thu, Apr 9
MAD
Madrid
OPO
Porto
NT$3,584 Roundtrip, found 3 days ago
NT$3,584
Roundtrip
found 3 days ago
Select Air Europa flight, departing Sun, Apr 5 from Madrid to Porto, returning Thu, Apr 9, priced at NT$3,584 found 3 days ago
Iberia
Fri, Sep 18 - Sun, Sep 20
MAD
Madrid
OPO
Porto
NT$5,272 Roundtrip, found 5 days ago
NT$5,272
Roundtrip
found 5 days ago
Select Iberia flight, departing Fri, Sep 18 from Madrid to Porto, returning Sun, Sep 20, priced at NT$5,272 found 5 days ago
KLM
Tue, May 5 - Sat, May 30
FRA
Frankfurt
OPO
Porto
NT$8,927 Roundtrip, found 16 hours ago
NT$8,927
Roundtrip
found 16 hours ago
Select KLM flight, departing Tue, May 5 from Frankfurt to Porto, returning Sat, May 30, priced at NT$8,927 found 16 hours ago
Air France
Tue, May 5 - Sun, May 31
FRA
Frankfurt
OPO
Porto
NT$9,328 Roundtrip, found 16 hours ago
NT$9,328
Roundtrip
found 16 hours ago
Select Air France flight, departing Tue, May 5 from Frankfurt to Porto, returning Sun, May 31, priced at NT$9,328 found 16 hours ago
Lufthansa
Thu, Aug 27 - Thu, Sep 3
FRA
Frankfurt
OPO
Porto
NT$12,856 Roundtrip, found 4 hours ago
NT$12,856
Roundtrip
found 4 hours ago
Select Lufthansa flight, departing Thu, Aug 27 from Frankfurt to Porto, returning Thu, Sep 3, priced at NT$12,856 found 4 hours ago

Frequently asked questions

How do I find cheap flights to Tras-os-Montes that have flexible change policies?
At Expedia, we've been channeling our inner yogi to offer you the most flexible airfares around. Simply tick the "No change fee" box under the "Flexible change policies" subheading to find the best flights to Tras-os-Montes.
Which airlines fly to Tras-os-Montes?
Getting to Tras-os-Montes is as easy as choosing between two top airlines. Save your seat with one of the following:

  • United Airlines - 30 flights to or near Tras-os-Montes each month, including 30 flights to Dr. Francisco de Sa Carneiro Airport (OPO) per month.
  • TAP Portugal - 26 flights to or near Tras-os-Montes each month, including 26 flights to Dr. Francisco de Sa Carneiro Airport (OPO) per month.

How can I find cheap tickets to Tras-os-Montes?
Book well ahead, consider alternative airports, avoid school vacation time — there are loads of ways! Another one is to make the most of Expedia's "flexible dates" feature. Search for a Tras-os-Montes flight, then compare the cheapest prices for nearby dates. In the last seven days, the lowest price for a flight to Tras-os-Montes was NT$3,584.
How much is a flight to Tras-os-Montes?
One-way trips departing from Madrid (MAD) sold for as little as NT$1,306 in the last seven days. During this time, the price of a return airfare to Tras-os-Montes varied between NT$3,584 and NT$29,299. If you spot a deal, grab it quickly — these prices don't stick around for long.
What are the most popular airports to fly into in Tras-os-Montes?
Fly into Dr. Francisco de Sa Carneiro Airport (OPO) and sample all that Tras-os-Montes has to offer. As the region's primary entry point, about 56 flights land here each month.
When is the cheapest time to fly to Tras-os-Montes?
If you can be flexible with what date you jet off to Tras-os-Montes, leave early on in the week. The most affordable day to take off is usually Tuesday, followed by Monday. Saturday is typically the most expensive day, with lots of vacationers choosing to fly on the weekend.
How much is a plane ticket to Tras-os-Montes?
In the last seven days, plane tickets to Tras-os-Montes fluctuated from NT$3,584 to NT$29,299.
What months are the cheapest to book a flight to Tras-os-Montes?
February is the cheapest month to secure a seat for your Tras-os-Montes getaway. Fares cost the most during the month of December, so steer clear of this time if you can.

Travel information

Destination airport
Dr. Francisco de Sa Carneiro
Destination airport IATA code
OPO
Destination city name
Porto
Roundtrip price
NT$3,584

Trending flights to Tras-os-Montes

Prices were available within the past 7 days and start at NT$1,306 for one-way flights and NT$3,584 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Nov 11 - Mon, Nov 23
TPE
Taipei
OPO
Porto
NT$29,299 Roundtrip, found 6 days ago
NT$29,299
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Wed, Nov 11 from Taipei to Porto, returning Mon, Nov 23, priced at NT$29,299 found 6 days ago
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