Cheap flights from London Heathrow Airport to Portugal from $130
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Portugal departing on 16/12. 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.British Airways flights from London Heathrow Airport to Portugal
Our best British Airways deals on London Heathrow Airport to Portugal flight tickets
KLM flights from London Heathrow Airport to Portugal
Our best KLM deals on London Heathrow Airport to Portugal flight tickets
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Fly from
Fly to
Route
Depart
Return
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Wed 25/11
20:50-08:10
1 stop11h 20m
Porto
Wed 2/12
14:35-20:05
1 stop5h 30m
LondonLisbon
LHR London Heathrow - LIS Lisbon Humberto Delgado
LHRLIS
London Heathrow
Tue 24/11
09:55-18:20
1 stop8h 25m
Lisbon Humberto Delgado
Tue 1/12
19:00-09:10
1 stop14h 10m
LondonLisbon
LHR London Heathrow - LIS Lisbon Humberto Delgado
LHRLIS
London Heathrow
Thu 5/11
07:00-09:50
Nonstop2h 50m
Lisbon Humberto Delgado
Tue 10/11
19:45-22:30
Nonstop2h 45m
LondonLisbon
LHR London Heathrow - LIS Lisbon Humberto Delgado
LHRLIS
London Heathrow
Thu 5/11
11:55-14:55
Nonstop3h 00m
Lisbon Humberto Delgado
Wed 11/11
15:50-18:40
Nonstop2h 50m
LondonPorto
LHR London Heathrow - OPO Porto
LHROPO
London Heathrow
Sat 21/11
09:55-21:15
1 stop11h 20m
Porto
Sat 28/11
21:55-09:10
1 stop11h 15m
LondonLisbon
LHR London Heathrow - LIS Lisbon Humberto Delgado
LHRLIS
London Heathrow
Sat 7/11
19:40-22:30
Nonstop2h 50m
Lisbon Humberto Delgado
Fri 13/11
07:05-10:05
Nonstop3h 00m
LondonLisbon
LHR London Heathrow - LIS Lisbon Humberto Delgado
LHRLIS
London Heathrow
Fri 6/11
07:00-09:50
Nonstop2h 50m
Lisbon Humberto Delgado
Fri 13/11
18:55-21:40
Nonstop2h 45m
LondonLisbon
LHR London Heathrow - LIS Lisbon Humberto Delgado
LHRLIS
London Heathrow
Fri 4/12
07:00-09:50
Nonstop2h 50m
Lisbon Humberto Delgado
Mon 7/12
18:35-21:20
Nonstop2h 45m
LondonLisbon
LHR London Heathrow - LIS Lisbon Humberto Delgado
LHRLIS
London Heathrow
Sun 22/11
12:25-15:10
Nonstop2h 45m
Lisbon Humberto Delgado
Sun 29/11
19:50-22:40
Nonstop2h 50m
LondonFaro
LHR London Heathrow - FAO Faro
LHRFAO
London Heathrow
Mon 15/3
06:00-23:50
1 stop17h 50m
Faro
Sun 21/3
06:05-21:35
1 stop15h 30m
See travel insights to Portugal from
How to get the cheapest flight ticket from London Heathrow Airport to Portugal
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 Portugal?
In general, February is the cheapest month to fly from London Heathrow Airport to Portugal. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $289. If you’re not able to fly to Portugal in February, then January is your next best option. Flight prices from London Heathrow Airport to Portugal during January average around $289.
What is the cheapest day to depart on your flight to Portugal?
The cheapest day to depart from London Heathrow Airport to Portugal is on a Saturday. Travellers who choose to depart for Portugal on a Saturday will often find tickets for as low as $389. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Portugal for around $1,271.
What is the cheapest time of day to depart on your flight to Portugal?
In the evening is the cheapest time of day to fly from London Heathrow Airport to Portugal when you can find flight prices for as low as $353. Flying to Portugal in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of $505.
What is the cheapest London Heathrow to Portugal flight route?
Fly from London Heathrow to Lisbon Humberto Delgado for the best London Heathrow - Portugal flight prices
How far in advance should I book a flight from London Heathrow Airport to Portugal?
You are more likely to see cheaper flights to Portugal from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $391 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from London Heathrow Airport for as low as $359 on momondo.
What cabin class options are available on London Heathrow Airport to Portugal flights?
There are 2 cabin classes available to choose from on London Heathrow Airport to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How often are flights from London to Portugal delayed?
Historically, on average around 22% of flights between London and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 106 minutes.
What is the most punctual flight time for London to Portugal 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. Sunday has historically seen more delays on average compared to the rest of the week.
Which airline has the best punctuality record on London to Portugal 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 London Heathrow Airport to Portugal on average per day?
54 flights are operational daily from London Heathrow Airport to Portugal as of October 2026. The most popular departure time for this route is 13:00, with 40% of flights per day taking off at midday.
How many flights depart from London Heathrow Airport to Portugal on average per week?
The number of flights available between London Heathrow Airport and Portugal is 379 per week as of October 2026. The most frequent departure day is Sun, with 22% of weekly flights leaving on this day.
Cheap London Heathrow Airport to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Portugal
Frequently asked questions about flying from London Heathrow Airport to Portugal
When did momondo last update prices for flights from London Heathrow Airport to Portugal?
Prices for flights from London Heathrow Airport to Portugal are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Portugal?
There is 1 operator available for flights from London Heathrow Airport to Portugal as of October 2026.
How old do you have to be to fly from London Heathrow Airport to Portugal?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents you'll need for your trip to Portugal 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 licence and a passport that is valid for six months after your intended arrival at Portugal. 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 London Heathrow Airport to Portugal?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Portugal is Airbus A320-100/200 (18.17% of total bookings). The next most popular plane models are Airbus A320neo (16.22%), Airbus A321neo (14.57%), and Boeing 737-800 Passenger/BBJ2 (winglets) (9.30%).
Best airlines flying from London Heathrow Airport to Portugal
Compare and see reviews for airlines that fly from London Heathrow Airport to Portugal with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $230 | Free cancellation | Rating 7.2 2,376 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Portugal?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from London.
Can I find flights from London to Portugal with flexible booking policies on momondo?
Yes. All flights to Portugal from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to Portugal?
Once you have performed a search for London to Portugal 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 London to Portugal right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Portugal, momondo offers a useful price alert feature which will track prices for flights to Portugal from London and alert you when they change.