A town with a prominent tower and red-roofed houses on a hillside.

Cheap Flights to Tras-os-Montes from HK$355

View HK$355 flight on Mon, 2 Nov 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$355 for one-way flights and HK$866 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
TAP Portugal
Vueling Airlines
British Airways
Lufthansa

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$866.
How much is a flight to Tras-os-Montes?
One-way trips departing from London (LGW) sold for as little as HK$355 in the last seven days. During this time, the price of a return airfare to Tras-os-Montes varied between HK$866 and HK$1,908. 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$866 to HK$1,908.
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$866
*Available to Expedia members.