£21 Cheap flights to Portugal

Portugal is full of notable places to explore, many with significant historical value to the region and the world. Some of the most popular landmarks in Portugal are Oura Beach, Chiado, Ribeira Square, and Praia dos Olhos de Água, among many more.

You can find flights to Portugal from 15 airlines. If you’re unsure which to fly with, consider booking your flight with Ryanair, easyJet or TAP AIR PORTUGAL as these are the most popular among our users. Ryanair is the most favoured with 42% of momondo travellers booking flights with this airline.

50% of our momondo users travelling to Portugal in the past year chose to fly into Lisbon Humberto Delgado in the past year, making it the most popular airport in Portugal. The Lisbon Humberto Delgado airport serves the city of Lisbon.

The cheapest flight to Portugal recently found on momondo was £12. If you’re unable to find a flight deal this cheap, keep in mind that anything less than £167 is considered a good price for flights to Portugal. £263 is the average cost to fly to Portugal, while £3,770 is the most expensive.

Flying to Portugal on a Thursday or Saturday is your best option since this is when flight prices tend to be at their lowest for the week. The most expensive day of the week to fly to Portugal is on a Monday.

If you're headed to Portugal, consider flying into Faro airport in Faro for the best deals, with an average airfare of £12. Alternatively, Porto airport in Porto is a close second for cheapest flights to Portugal with an average airfare of £22.

Prices for flights to Portugal refresh daily.

The number of operators available for flights to Portugal is 46 as of September 2026.

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Portugal.

The travel and health documents required for your trip to Portugal can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.