Cheap Flights to Tras-os-Montes from HK$374

View HK$374 flight on Wed, 14 Oct 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$374 for one-way flights and HK$831 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Tue, 14 Apr - Fri, 17 Apr
LGW
London
OPO
Porto
HK$831 Return, found 6 days ago
HK$831
Return
found 6 days ago
Select easyJet flight, departing Tue, 14 Apr from London to Porto, returning Fri, 17 Apr, priced at HK$831 found 6 days ago
Swiss International Air Lines
Tue, 23 Jun - Sat, 27 Jun
MAD
Madrid
OPO
Porto
HK$1,384 Return, found 6 days ago
HK$1,384
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Tue, 23 Jun from Madrid to Porto, returning Sat, 27 Jun, priced at HK$1,384 found 6 days ago
TAP Portugal
Fri, 13 Mar - Thu, 19 Mar
LGW
London
OPO
Porto
HK$1,482 Return, found 1 day ago
HK$1,482
Return
found 1 day ago
Select TAP Portugal flight, departing Fri, 13 Mar from London to Porto, returning Thu, 19 Mar, priced at HK$1,482 found 1 day ago
Vueling Airlines
Tue, 14 Apr - Fri, 17 Apr
LHR
London
OPO
Porto
HK$1,723 Return, found 6 days ago
HK$1,723
Return
found 6 days ago
Select Vueling Airlines flight, departing Tue, 14 Apr from London to Porto, returning Fri, 17 Apr, priced at HK$1,723 found 6 days ago
British Airways
Sat, 14 Mar - Tue, 17 Mar
LGW
London
OPO
Porto
HK$2,062 Return, found 1 day ago
HK$2,062
Return
found 1 day ago
Select British Airways flight, departing Sat, 14 Mar from London to Porto, returning Tue, 17 Mar, priced at HK$2,062 found 1 day 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$831.
How much is a flight to Tras-os-Montes?
One-way trips departing from Madrid (MAD) sold for as little as HK$374 in the last seven days. During this time, the price of a return airfare to Tras-os-Montes varied between HK$831 and HK$5,364. 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$831 to HK$5,364.
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
Return price
HK$831

Trending flights to Tras-os-Montes

Prices were available within the past 7 days and start at HK$374 for one-way flights and HK$831 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Mon, 8 Jun - Wed, 17 Jun
HKG
Hong Kong SAR
OPO
Porto
HK$5,364 Return, found 15 hours ago
HK$5,364
Return
found 15 hours ago
Select Air France flight, departing Mon, 8 Jun from Hong Kong SAR to Porto, returning Wed, 17 Jun, priced at HK$5,364 found 15 hours ago
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