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Cheap flights from London Heathrow Airport to Porto from £57

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 Porto departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Porto

Cheap return flights

Logo
09:55 - 16:15LHR-OPO
6h 20m1 stop
Logo
06:10 - 12:20OPO-LHR
6h 10m1 stop
£131
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Wed, 8 Oct - Wed, 15 Oct
Logo
15:05 - 21:45LHR-OPO
6h 40m1 stop
Logo
22:00 - 09:10OPO-LHR
11h 10m1 stop
£138
Find Deal
Tue, 23 Sep - Mon, 29 Sep
Vueling Logo
20:50 - 08:10LHR-OPO
11h 20m1 stop
Vueling Logo
08:45 - 18:00OPO-LHR
9h 15m1 stop
£141Vueling
Find Deal
Sat, 10 Jan - Tue, 13 Jan
Vueling Logo
20:50 - 08:00LHR-OPO
11h 10m1 stop
Vueling Logo
22:00 - 09:10OPO-LHR
11h 10m1 stop
£146Vueling
Find Deal
Tue, 23 Sep - Wed, 24 Sep
TAP AIR PORTUGAL Logo
08:00 - 17:00LHR-OPO
9h 00m1 stop
TAP AIR PORTUGAL Logo
05:05 - 10:20OPO-LHR
5h 15m1 stop
£153TAP AIR PORTUGAL
Find Deal
Sun, 14 Sep - Sun, 21 Sep
TAP AIR PORTUGAL Logo
06:00 - 14:05LHR-OPO
8h 05m1 stop
TAP AIR PORTUGAL Logo
10:00 - 17:45OPO-LHR
7h 45m1 stop
£154TAP AIR PORTUGAL
Find Deal
Wed, 10 Sep - Wed, 17 Sep
British Airways Logo
17:00 - 07:40LHR-OPO
14h 40m1 stop
British Airways Logo
20:40 - 12:05OPO-LHR
15h 25m1 stop
£174British Airways
Find Deal
Fri, 9 Jan - Fri, 16 Jan
British Airways Logo
07:30 - 07:40LHR-OPO
24h 10m1 stop
British Airways Logo
20:40 - 12:05OPO-LHR
15h 25m1 stop
£180British Airways
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Tue, 9 Dec - Fri, 12 Dec
Lufthansa Logo
06:35 - 12:50LHR-OPO
6h 15m1 stop
Lufthansa Logo
13:45 - 19:35OPO-LHR
5h 50m1 stop
£181Lufthansa
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Wed, 10 Dec - Tue, 16 Dec
Lufthansa Logo
06:35 - 13:10LHR-OPO
6h 35m1 stop
Lufthansa Logo
13:45 - 19:35OPO-LHR
5h 50m1 stop
£184Lufthansa
Find Deal
Thu, 8 Jan - Sat, 10 Jan

TAP AIR PORTUGAL flights from London Heathrow Airport to Porto

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to Porto flight tickets
TAP AIR PORTUGAL
14 Sept
LHR08:00London Heathrow
9h 00m
1 stop
OPO17:00Porto
21 Sept
OPO05:05Porto
5h 15m
1 stop
LHR10:20London Heathrow
£153
Find similar
TAP AIR PORTUGAL
10 Sept
LHR06:00London Heathrow
8h 05m
1 stop
OPO14:05Porto
17 Sept
OPO10:00Porto
7h 45m
1 stop
LHR17:45London Heathrow
£154
Find similar
TAP AIR PORTUGAL
17 Sept
LHR06:00London Heathrow
8h 05m
1 stop
OPO14:05Porto
20 Sept
OPO15:45Porto
6h 15m
1 stop
LHR22:00London Heathrow
£156
Find similar

Vueling flights from London Heathrow Airport to Porto

Our best Vueling deals on London Heathrow Airport to Porto flight tickets
Vueling
10 Jan
LHR20:50London Heathrow
11h 20m
1 stop
OPO08:10Porto
13 Jan
OPO08:45Porto
9h 15m
1 stop
LHR18:00London Heathrow
£141
Find similar
Vueling
23 Sept
LHR20:50London Heathrow
11h 10m
1 stop
OPO08:00Porto
24 Sept
OPO22:00Porto
11h 10m
1 stop
LHR09:10London Heathrow
£146
Find similar
Vueling
12 Dec
LHR09:55London Heathrow
11h 20m
1 stop
OPO21:15Porto
15 Dec
OPO21:55Porto
11h 15m
1 stop
LHR09:10London Heathrow
£148
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 1 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 8/10

09:55-16:15

1 stop6h 20m

Porto

Wed 15/10

06:10-12:20

1 stop6h 10m

£131

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 23/9

15:05-21:45

1 stop6h 40m

Porto

Mon 29/9

22:00-09:10

1 stop11h 10m

£138

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 10/1

20:50-08:10

1 stop11h 20m

Porto

Tue 13/1

08:45-18:00

1 stop9h 15m

£141

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 23/9

20:50-08:00

1 stop11h 10m

Porto

Wed 24/9

22:00-09:10

1 stop11h 10m

£146

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 14/9

08:00-17:00

1 stop9h 00m

Porto

Sun 21/9

05:05-10:20

1 stop5h 15m

£153

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 10/9

06:00-14:05

1 stop8h 05m

Porto

Wed 17/9

10:00-17:45

1 stop7h 45m

£154

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 9/1

17:00-07:40

1 stop14h 40m

Porto

Fri 16/1

20:40-12:05

1 stop15h 25m

£174

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 9/12

07:30-07:40

1 stop24h 10m

Porto

Fri 12/12

20:40-12:05

1 stop15h 25m

£180

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 10/12

06:35-12:50

1 stop6h 15m

Porto

Tue 16/12

13:45-19:35

1 stop5h 50m

£181

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 8/1

06:35-13:10

1 stop6h 35m

Porto

Sat 10/1

13:45-19:35

1 stop5h 50m

£184

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Porto from

How to get the cheapest flight ticket from London Heathrow Airport to Porto

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 typical price of a round-trip flight between London Heathrow Airport and Porto?

What is the cheapest month to fly to Porto?

The month of January is, on average, the cheapest month to fly to Porto from London Heathrow Airport, with most prices found around £147. If you are unable to visit Porto during the month of January, then departing from London Heathrow Airport during the month November is also very affordable. Most momondo users find prices during this month for around £151.

What is the cheapest day to depart on your flight to Porto?

According to our data, Tuesday is the cheapest day to fly to Porto from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was £155. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around £204. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

What is the cheapest time of day to depart on your flight to Porto?

Our data shows that the cheapest London Heathrow Airport to Porto flights are usually those with departure times at midday. Our users have found flights to Porto at midday for as low as £133. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £220 on average. Flights to Porto from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around £210 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from London Heathrow Airport for as low as £172 on momondo.

How have London Heathrow Airport to Porto flight prices changed over time?

As of August 2025, prices for London Heathrow Airport to Porto flights are approximately 39% more expensive when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Porto (LHR to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Porto

Best price found

£57

Fastest flight time

5h 15m

Direct flights

None

Airports in Porto

1 airport
The best one-way flight to Porto from London Heathrow Airport in the past 72 hours is £57. The best return flight deal from London Heathrow Airport to Porto found on momondo in the last 72 hours is £131.
The fastest flight from London Heathrow Airport to Porto takes 5h 15m
There are no direct flights from London Heathrow Airport to Porto. Popular non-direct route for this connection is London Heathrow Airport - Porto Airport.
There is 1 airport near Porto: Porto (OPO)
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  • How far is London Heathrow to Porto by plane?

    London Heathrow and Porto are 810.6 mi apart from one another. In terms of flight time, this usually takes a little over 5h 15m.

  • When did momondo last update prices for flights from London Heathrow Airport to Porto Airport?

    Prices for flights from London Heathrow Airport to Porto Airport were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Porto Airport?

  • How old do you have to be to fly from London Heathrow Airport to Porto Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents you'll need for your trip to Porto Airport 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 Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London Heathrow Airport to Porto?

Best airlines flying from London Heathrow Airport to Porto

Compare and see reviews for airlines that fly from London Heathrow Airport to Porto with momondo
Airline
Rating
Free Cancellation
Price
easyJetPriceFrom £49Free CancellationRating
6.9
1,822 reviews
Search easyJet flights
RyanairPriceFrom £64Free CancellationRating
6.8
5,154 reviews
Search Ryanair flights
VuelingPriceFrom £96Free CancellationRating
7.1
1,176 reviews
Search Vueling flights
British AirwaysPriceFrom £101Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom £130Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom £133Free CancellationRating
7.8
1,383 reviews
Search KLM flights
IberiaPriceFrom £140Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
SWISSPriceFrom £141Free CancellationRating
7.5
1,686 reviews
Search SWISS flights
LufthansaPriceFrom £142Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
Brussels AirlinesPriceFrom £175Free CancellationRating
7.2
350 reviews
Search Brussels Airlines flights

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Braga
Coimbra
Vila Nova de Gaia
Aveiro
Viseu
Matosinhos
Espinho
Esposende
Pinhao
Guimarães
Caminha
Curia
Baiao
Ponte de Lima
Chaves
Lamego
Mesao Frio
Penafiel
Mira

Why use momondo?

Why should I use momondo to find a flight deal from London to Porto?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Porto. momondo saves you time and could save you money on your trip.

Can I find flights from London to Porto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Porto from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Porto?

momondo provides multiple filters to help you find the best flight to Porto from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Porto right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Porto from London. 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.

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