Cheap flights from Portugal to London from £37
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 departing on 11/9. 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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Not ready to book? to track prices.TAP AIR PORTUGAL flights from Portugal to London
Our best TAP AIR PORTUGAL deals on Portugal to London flight tickets
KLM flights from Portugal to London
Our best KLM deals on Portugal to London flight tickets
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Use the filters below to find and compare flights from Portugal to London that are best for you.
Fly from
Fly to
Route
Depart
Return
PortoLondon
OPO Porto - STN London Stansted
OPOSTN
Porto
Thu 24/9
21:30-23:55
Nonstop2h 25m
London Stansted
Tue 29/9
19:30-10:25
1 stop14h 55m
PortoLondon
OPO Porto - STN London Stansted
OPOSTN
Porto
Thu 8/10
21:25-23:50
Nonstop2h 25m
London Stansted
Sun 11/10
08:45-11:10
Nonstop2h 25m
PortoLondon
OPO Porto - LGW London Gatwick
OPOLGW
Porto
Wed 23/9
07:00-09:25
Nonstop2h 25m
London Gatwick
Sat 26/9
05:20-07:45
Nonstop2h 25m
PortoLondon
OPO Porto - LGW London Gatwick
OPOLGW
Porto
Sat 24/10
06:55-09:20
Nonstop2h 25m
London Gatwick
Sat 31/10
06:30-09:00
Nonstop2h 30m
PortoLondon
OPO Porto - STN London Stansted
OPOSTN
Porto
Thu 3/9
21:45-07:55
1 stop10h 10m
London Stansted
Tue 8/9
06:35-09:00
Nonstop2h 25m
PortoLondon
OPO Porto - STN London Stansted
OPOSTN
Porto
Thu 24/9
21:30-23:55
Nonstop2h 25m
London Stansted
Sun 27/9
06:45-14:10
1 stop7h 25m
LisbonLondon
LIS Lisbon Humberto Delgado - LHR London Heathrow
LISLHR
Lisbon Humberto Delgado
Thu 24/9
20:10-22:55
Nonstop2h 45m
London Heathrow
Sun 27/9
19:50-22:35
Nonstop2h 45m
LisbonLondon
LIS Lisbon Humberto Delgado - LHR London Heathrow
LISLHR
Lisbon Humberto Delgado
Thu 24/9
20:10-22:55
Nonstop2h 45m
London Heathrow
Sun 27/9
08:00-10:50
Nonstop2h 50m
LisbonLondon
LIS Lisbon Humberto Delgado - LHR London Heathrow
LISLHR
Lisbon Humberto Delgado
Wed 18/11
07:05-10:05
Nonstop3h 00m
London Heathrow
Wed 18/11
14:45-17:40
Nonstop2h 55m
LisbonLondon
LIS Lisbon Humberto Delgado - LHR London Heathrow
LISLHR
Lisbon Humberto Delgado
Mon 21/12
12:55-15:50
Nonstop2h 55m
London Heathrow
Tue 29/12
06:55-09:45
Nonstop2h 50m
See travel insights to London from
How to get the cheapest flight ticket from Portugal to London
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
What is the cheapest month to fly to London?
The cheapest month to fly to London from Portugal is in January. Flight prices, which tend to average around £89, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Portugal averaging around £103.
What is the cheapest day to depart on your flight to London?
Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £161. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Portugal to London for around £203.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £150. Flights in the afternoon are often more expensive, with an average ticket price of £198.
What is the cheapest Portugal to London flight route?
Fly from Porto to London Stansted for the best Portugal - London flight prices
How far in advance should I book a flight from Portugal to London?
You are more likely to see cheaper flights to London from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £186 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Portugal for as low as £147 on momondo.
What cabin class options are available on Portugal to London flights?
There are 4 cabin classes available to choose from on Portugal to London 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?
easyJet, Ryanair, and Vueling are the most popular carriers operating from Portugal to London
Which airlines fly to London?
TAP AIR PORTUGAL, easyJet and British Airways are the top three most popular airlines that fly to London from Portugal according to our data. TAP AIR PORTUGAL is the first choice among our users, with 36% of people opting to fly with this airline when travelling to London. Keep in mind that there are 5 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
How often are flights from Portugal to London delayed?
Historically, on average around 23% of flights between Portugal and London have experienced a delay on any given week. The average delay length over the past 12 months has been 117 minutes.
What is the most punctual flight time for Portugal to London flights?
Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.
What day of the week experiences the fewest flight delays on this route?
Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.
Which airline has the best punctuality record on Portugal to London flights?
According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.
How many flights depart from Portugal to London on average per day?
40 flights are operational daily from Portugal to London as of August 2026. The most popular departure time for this route is 16:00, with 38% of flights per day taking off in the afternoon.
How many flights depart from Portugal to London on average per week?
286 flights are operational weekly from Portugal to London as of August 2026. The most popular departure day for this route is Tue, with 35% of flights per week taking off on this day.
Cheap Portugal to London flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portugal to London
Frequently asked questions about flying from Portugal to London
When did momondo last update prices for flights from Portugal to London?
Prices for flights from Portugal to London are updated daily.
How many operators does momondo search for flights from Portugal to London?
As of August 2026, there are 4 operators available to choose from for flights from Portugal to London.
How old do you have to be to fly from Portugal to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Portugal to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portugal to London is Airbus A320-100/200 (25.50% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (16.56%), Airbus A319 (12.60%), and Airbus A320neo (10.60%).
Best airlines flying from Portugal to London
Compare and see reviews for airlines that fly from Portugal to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £18 | Free Cancellation | Rating 6.9 1,923 reviews | |||
| PriceFrom £33 | Free Cancellation | Rating 6.3 171 reviews | |||
| PriceFrom £37 | Free Cancellation | Rating 6.9 5,467 reviews | |||
| PriceFrom £58 | Free Cancellation | Rating 6.7 8,160 reviews | |||
| PriceFrom £95 | Free Cancellation | Rating 7.2 2,365 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portugal to London?
Finding the right flight to London from Portugal is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.
Can I find flights from Portugal to London with flexible booking policies on momondo?
Flights from Portugal to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Portugal to London?
Once you have performed a search for Portugal to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Portugal to London right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to London from Portugal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.