Cheap flights from Portugal to London Heathrow Airport from £46
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to London Heathrow Airport departing on 15/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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1 adult
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0 bags
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Recent return flight deals from Portugal to London
KAYAK's recommended return flight deals from the most popular airlines that fly from Portugal to London.
Recent one-way flight deals from Portugal to London
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portugal to London.
Recent last minute flight deals from Portugal to London
Planning a quick getaway from Portugal to London? These are the last-minute flight deals available now.
Recent direct flight deals from Portugal to London
If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.
British Airways flights from Portugal to London Heathrow Airport
Our best British Airways deals on Portugal to London Heathrow Airport flight tickets
British Airways![British Airways]()
10 May![British Airways]()
18 May
FAO20:00Faro
2h 45m
LHR22:45London Heathrow
LHR07:15London Heathrow
2h 55m
FAO10:10Faro
British Airways![British Airways]()
16 May![British Airways]()
18 May
FAO19:50Faro
2h 45m
LHR22:35London Heathrow
LHR07:15London Heathrow
2h 55m
FAO10:10Faro
KLM flights from Portugal to London Heathrow Airport
Our best KLM deals on Portugal to London Heathrow Airport flight tickets
KLM![KLM]()
28 May![KLM]()
2 Jun
LIS05:00Lisbon Humberto Delgado
5h 45m
1 stop
LHR10:45London Heathrow
LHR11:45London Heathrow
6h 55m
1 stop
LIS18:40Lisbon Humberto Delgado
KLM![KLM]()
29 Apr![KLM]()
7 May
OPO18:50Porto
12h 50m
1 stop
LHR07:40London Heathrow
LHR14:45London Heathrow
7h 30m
1 stop
OPO22:15Porto
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How to get the cheapest flight ticket from Portugal to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
Prices
Airlines
Other information
What is the cheapest month to fly to London Heathrow Airport?
In general, March is the cheapest month to fly from Portugal to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £119. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Portugal averaging around £119.
What is the cheapest day to depart on your flight to London Heathrow Airport?
On average, the least expensive day to fly to London Heathrow Airport from Portugal is on a Sunday. momondo users have found tickets for Sunday departures for as low as £166. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Monday is £292.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Portugal to London Heathrow Airport in the evening for as low as £150. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £243 on average. Flights to London Heathrow Airport from Portugal in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest Portugal to London Heathrow flight route?
Fly from Faro to London Heathrow for the best Portugal - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Portugal when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £166 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Portugal for as low as £112 on momondo.
What cabin class options are available on Portugal to London Heathrow flights?
There are 4 cabin classes available to choose from on Portugal to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Portugal to London Heathrow?
Vueling, British Airways, and Iberia are the most popular carriers operating from Portugal to London Heathrow
Which airlines fly to London Heathrow Airport?
TAP AIR PORTUGAL, British Airways and easyJet are the top three most popular airlines that fly to London Heathrow Airport from Portugal according to our data. TAP AIR PORTUGAL is the first choice among our users, with 80% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Portugal to London Heathrow Airport on average per day?
The number of flights available between Portugal and London Heathrow Airport is 41 per day as of April 2025. The most frequent departure time is 15:00, with 41% of daily flights leaving at midday.
How many flights depart from Portugal to London Heathrow Airport on average per week?
293 flights are operational weekly from Portugal to London Heathrow Airport as of April 2025. The most popular departure day for this route is Thu, with 23% of flights per week taking off on this day.
Cheap Portugal to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portugal to London Heathrow Airport
When did momondo last update prices for flights from Portugal to London Heathrow Airport?
Prices for flights from Portugal to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Portugal to London Heathrow Airport?
As of April 2025, there are 3 operators available to choose from for flights from Portugal to London Heathrow Airport.
How old do you have to be to fly from Portugal to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Portugal to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portugal to London Heathrow Airport is Airbus A320-100/200 (20.64% of total bookings). The next most popular plane models are Airbus A320neo (17.91%), Airbus A321neo (16.60%), and Airbus A319 (11.44%).
Best airlines flying from Portugal to London Heathrow Airport
Compare and see reviews for airlines that fly from Portugal to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £50 | Free Cancellation | Rating 6.9 1,797 reviews | |||
| PriceFrom £90 | Free Cancellation | Rating 7.1 1,839 reviews | |||
| PriceFrom £113 | Free Cancellation | Rating 6.6 6,771 reviews |
Travelling to a place near London?
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Why use momondo?
Why should I use momondo to find a flight deal from Portugal to London?
It is quick and easy to find Portugal to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Can I find flights from Portugal to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from Portugal with this policy.
How can momondo help me find flights from Portugal to London?
momondo provides multiple filters to help you find the best flight to London from Portugal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Portugal to London right now. Can momondo alert me if prices change?
Price alerts on flights to London from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.
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