Cheap Flights to Tras-os-Montes from HK$306

View HK$306 flight on Mon, 23 Feb 2026Opens in a new window

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Cheap round-trip flights to Tras-os-Montes

Prices were available within the past 7 days and start at HK$306 for one-way flights and HK$1,645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Fri, 23 Jan - Fri, 30 Jan
BCN
Barcelona
OPO
Porto
HK$1,645 Return, found 1 day ago
HK$1,645
Return
found 1 day ago
Select Iberia flight, departing Fri, 23 Jan from Barcelona to Porto, returning Fri, 30 Jan, priced at HK$1,645 found 1 day ago
Vueling Airlines
Fri, 26 Dec - Sun, 28 Dec
BCN
Barcelona
OPO
Porto
HK$1,710 Return, found 6 hours ago
HK$1,710
Return
found 6 hours ago
Select Vueling Airlines flight, departing Fri, 26 Dec from Barcelona to Porto, returning Sun, 28 Dec, priced at HK$1,710 found 6 hours ago
Air France
Thu, 22 Jan - Mon, 9 Feb
LHR
London
OPO
Porto
HK$2,148 Return, found 2 days ago
HK$2,148
Return
found 2 days ago
Select Air France flight, departing Thu, 22 Jan from London to Porto, returning Mon, 9 Feb, priced at HK$2,148 found 2 days ago
Lufthansa
Thu, 15 Jan - Sun, 18 Jan
LHR
London
OPO
Porto
HK$2,568 Return, found 6 days ago
HK$2,568
Return
found 6 days ago
Select Lufthansa flight, departing Thu, 15 Jan from London to Porto, returning Sun, 18 Jan, priced at HK$2,568 found 6 days ago
Swiss International Air Lines
Wed, 11 Feb - Sat, 14 Feb
ATH
Athens
OPO
Porto
HK$2,605 Return, found 5 days ago
HK$2,605
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 11 Feb from Athens to Porto, returning Sat, 14 Feb, priced at HK$2,605 found 5 days 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 holiday 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 HK$1,645.
How much is a flight to Tras-os-Montes?
One-way trips departing from Barcelona (BCN) sold for as little as HK$306 in the last seven days. During this time, the price of a return airfare to Tras-os-Montes varied between HK$1,645 and HK$5,377. 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 holiday makers 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 HK$1,645 to HK$5,377.
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.
Flights to Tras-os-Montes information
Destination airport
Dr. Francisco de Sa Carneiro
Destination airport IATA code
OPO
Destination city name
Porto
Return price
HK$1,645

Trending flights to Tras-os-Montes

Prices were available within the past 7 days and start at HK$306 for one-way flights and HK$1,645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Sun, 18 Jan - Sun, 25 Jan
HKG
Hong Kong SAR
OPO
Porto
HK$5,377 Return, found 6 days ago
HK$5,377
Return
found 6 days ago
Select Air France flight, departing Sun, 18 Jan from Hong Kong SAR to Porto, returning Sun, 25 Jan, priced at HK$5,377 found 6 days ago
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