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Cheap flights from London Heathrow Airport to Porto from $121

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 23/2. 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

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Find the cheapest flights from London Heathrow Airport to Porto

Cheap return flights

Enter your travel dates to find the best prices.
Vueling Logo
20:50 - 08:10
LHR
-
OPO
11h 20m1 stop
Vueling Logo
20:05 - 14:45
OPO
-
LHR
18h 40m1 stop
$202Vueling
Tue, 3 Mar - Tue, 10 Mar
Vueling Logo
20:50 - 08:10
LHR
-
OPO
11h 20m1 stop
Vueling Logo
20:05 - 14:45
OPO
-
LHR
18h 40m1 stop
$218Vueling
Mon, 23 Feb - Tue, 24 Feb
Vueling Logo
09:55 - 21:15
LHR
-
OPO
11h 20m1 stop
Vueling Logo
20:05 - 14:45
OPO
-
LHR
18h 40m1 stop
$230Vueling
Mon, 2 Mar - Thu, 5 Mar
Vueling Logo
20:50 - 08:10
LHR
-
OPO
11h 20m1 stop
Vueling Logo
21:55 - 09:10
OPO
-
LHR
11h 15m1 stop
$245Vueling
Mon, 23 Feb - Wed, 25 Feb
Vueling Logo
20:50 - 13:55
LHR
-
OPO
17h 05m1 stop
Vueling Logo
21:55 - 09:10
OPO
-
LHR
11h 15m1 stop
$246Vueling
Tue, 10 Mar - Mon, 16 Mar
TAP AIR PORTUGAL Logo
06:00 - 15:20
LHR
-
OPO
9h 20m1 stop
TAP AIR PORTUGAL Logo
11:15 - 17:30
OPO
-
LHR
6h 15m1 stop
$249TAP AIR PORTUGAL
Mon, 23 Feb - Thu, 26 Feb
Vueling Logo
20:50 - 08:10
LHR
-
OPO
11h 20m1 stop
Vueling Logo
21:55 - 09:10
OPO
-
LHR
11h 15m1 stop
$251Vueling
Tue, 3 Feb - Tue, 10 Feb
Vueling Logo
20:50 - 08:10
LHR
-
OPO
11h 20m1 stop
Vueling Logo
21:55 - 09:10
OPO
-
LHR
11h 15m1 stop
$252Vueling
Mon, 23 Feb - Wed, 4 Mar
TAP AIR PORTUGAL Logo
06:00 - 17:00
LHR
-
OPO
11h 00m1 stop
TAP AIR PORTUGAL Logo
16:10 - 22:40
OPO
-
LHR
6h 30m1 stop
$254TAP AIR PORTUGAL
Mon, 16 Feb - Mon, 23 Feb
Vueling Logo
20:50 - 09:35
LHR
-
OPO
12h 45m1 stop
Vueling Logo
21:55 - 09:10
OPO
-
LHR
11h 15m1 stop
$255Vueling
Thu, 5 Feb - Mon, 9 Feb

Vueling flights from London Heathrow Airport to Porto

Our best Vueling deals on London Heathrow Airport to Porto flight tickets
Vueling
3 Mar
LHR20:50London Heathrow
11h 20m
1 stop
OPO08:10Porto
10 Mar
OPO20:05Porto
18h 40m
1 stop
LHR14:45London Heathrow
$202
Find similar
Vueling
23 Feb
LHR20:50London Heathrow
11h 20m
1 stop
OPO08:10Porto
24 Feb
OPO20:05Porto
18h 40m
1 stop
LHR14:45London Heathrow
$218
Find similar
Vueling
2 Mar
LHR09:55London Heathrow
11h 20m
1 stop
OPO21:15Porto
5 Mar
OPO20:05Porto
18h 40m
1 stop
LHR14:45London Heathrow
$230
Find similar

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
23 Feb
LHR06:00London Heathrow
9h 20m
1 stop
OPO15:20Porto
26 Feb
OPO11:15Porto
6h 15m
1 stop
LHR17:30London Heathrow
$249
Find similar
TAP AIR PORTUGAL
16 Feb
LHR06:00London Heathrow
11h 00m
1 stop
OPO17:00Porto
23 Feb
OPO16:10Porto
6h 30m
1 stop
LHR22:40London Heathrow
$254
Find similar
TAP AIR PORTUGAL
9 Jan
LHR13:40London Heathrow
18h 15m
1 stop
OPO07:55Porto
14 Jan
OPO10:55Porto
10h 40m
1 stop
LHR21:35London Heathrow
$260
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 78,305 searches. Data last updated 4 January 2026.
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

Tue 3/3

20:50-08:10

1 stop11h 20m

Porto

Tue 10/3

20:05-14:45

1 stop18h 40m

$202

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 23/2

20:50-08:10

1 stop11h 20m

Porto

Tue 24/2

20:05-14:45

1 stop18h 40m

$218

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 2/3

09:55-21:15

1 stop11h 20m

Porto

Thu 5/3

20:05-14:45

1 stop18h 40m

$230

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 23/2

20:50-08:10

1 stop11h 20m

Porto

Wed 25/2

21:55-09:10

1 stop11h 15m

$245

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 10/3

20:50-13:55

1 stop17h 05m

Porto

Mon 16/3

21:55-09:10

1 stop11h 15m

$246

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 23/2

06:00-15:20

1 stop9h 20m

Porto

Thu 26/2

11:15-17:30

1 stop6h 15m

$249

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 3/2

20:50-08:10

1 stop11h 20m

Porto

Tue 10/2

21:55-09:10

1 stop11h 15m

$251

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 23/2

20:50-08:10

1 stop11h 20m

Porto

Wed 4/3

21:55-09:10

1 stop11h 15m

$252

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 16/2

06:00-17:00

1 stop11h 00m

Porto

Mon 23/2

16:10-22:40

1 stop6h 30m

$254

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 5/2

20:50-09:35

1 stop12h 45m

Porto

Mon 9/2

21:55-09:10

1 stop11h 15m

$255

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 cheapest month to fly to Porto?

In general, January is the cheapest month to fly from London Heathrow Airport to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you aren’t able to travel to Porto during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $326.

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

Our data shows that Tuesday is the least expensive day to fly to Porto. Tickets to fly out on this day can be as low as $270. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Porto for around $551.

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

Our most recent data shows that the best time of day to fly to Porto is at midday. Flights from London Heathrow Airport to Porto during this time can be as low as $231. Flights in the morning are often more expensive, with an average ticket price of $300.

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 $424 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 $330 on momondo.

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

As of January 2026, prices for London Heathrow Airport to Porto flights are approximately 16% 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

Fastest flight time

12h 10m

Direct flights

None
The fastest flight from London Heathrow Airport to Porto takes 12h 10m
There are no direct flights from London Heathrow Airport to Porto. There are no popular flight routes from London Heathrow Airport to Porto.
Search flight deals

  • How far is London Heathrow to Porto by plane?

    There are 1304.5 km between London Heathrow and Porto. A reasonable flight in good conditions will take 12h 10m.

  • 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 are updated daily.

  • 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 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 stopovers. It is recommended that you verify with the airline you are booking with for 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 licence 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
British AirwaysPriceFrom $548Free cancellationRating
6.7
7,646 reviews
Search British Airways flights

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Coimbra
Vila Nova de Gaia
Aveiro

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Porto . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Porto from London with this policy.

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 can track prices for London to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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