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Cheap flights from London Heathrow Airport to Porto from $160

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 24/1. 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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Find the cheapest flights from London Heathrow Airport to Porto

Cheap return flights

TAP AIR PORTUGAL Logo
12:25 - 18:05LHR-OPO
5h 40m1 stop
TAP AIR PORTUGAL Logo
16:05 - 21:35OPO-LHR
5h 30m1 stop
$281TAP AIR PORTUGAL
Find Deal
Sun, 2 Nov - Wed, 5 Nov
TAP AIR PORTUGAL Logo
13:45 - 19:00LHR-OPO
5h 15m1 stop
TAP AIR PORTUGAL Logo
10:00 - 18:50OPO-LHR
8h 50m1 stop
$304TAP AIR PORTUGAL
Find Deal
Tue, 7 Oct - Wed, 15 Oct
Logo
15:05 - 23:00LHR-OPO
7h 55m1 stop
Logo
22:00 - 09:10OPO-LHR
11h 10m1 stop
$305
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Logo
10:00 - 19:20LHR-OPO
9h 20m1 stop
Logo
11:25 - 16:35OPO-LHR
5h 10m1 stop
$322
Find Deal
Thu, 13 Nov - Sun, 16 Nov
Logo
10:00 - 15:25LHR-OPO
5h 25m1 stop
Logo
11:25 - 18:20OPO-LHR
6h 55m1 stop
$324
Find Deal
Fri, 21 Nov - Mon, 24 Nov
KLM Logo
10:00 - 15:25LHR-OPO
5h 25m1 stop
KLM Logo
05:00 - 10:45OPO-LHR
5h 45m1 stop
$331KLM
Find Deal
Fri, 31 Oct - Sun, 2 Nov
Vueling Logo
09:55 - 16:15LHR-OPO
6h 20m1 stop
Vueling Logo
14:05 - 20:05OPO-LHR
6h 00m1 stop
$336Vueling
Find Deal
Wed, 1 Oct - Wed, 15 Oct
British Airways Logo
15:05 - 20:00LHR-OPO
4h 55m1 stop
British Airways Logo
12:25 - 18:50OPO-LHR
6h 25m1 stop
$356British Airways
Find Deal
Sat, 21 Feb - Sun, 8 Mar
KLM Logo
08:40 - 15:35LHR-OPO
6h 55m1 stop
KLM Logo
06:00 - 12:05OPO-LHR
6h 05m1 stop
$400KLM
Find Deal
Sat, 25 Oct - Sat, 1 Nov
British Airways Logo
08:25 - 07:40LHR-OPO
23h 15m1 stop
British Airways Logo
20:40 - 19:25OPO-LHR
22h 45m1 stop
$540British Airways
Find Deal
Sun, 26 Oct - Sun, 2 Nov

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
2 Nov
LHR12:25London Heathrow
5h 40m
1 stop
OPO18:05Porto
5 Nov
OPO16:05Porto
5h 30m
1 stop
LHR21:35London Heathrow
$281
Find similar
TAP AIR PORTUGAL
7 Oct
LHR13:45London Heathrow
5h 15m
1 stop
OPO19:00Porto
15 Oct
OPO10:00Porto
8h 50m
1 stop
LHR18:50London Heathrow
$304
Find similar
TAP AIR PORTUGAL
13 Oct
LHR19:50London Heathrow
12h 00m
1 stop
OPO07:50Porto
17 Oct
OPO10:00Porto
7h 45m
1 stop
LHR17:45London Heathrow
$330
Find similar

KLM flights from London Heathrow Airport to Porto

Our best KLM deals on London Heathrow Airport to Porto flight tickets
KLM
31 Oct
LHR10:00London Heathrow
5h 25m
1 stop
OPO15:25Porto
2 Nov
OPO05:00Porto
5h 45m
1 stop
LHR10:45London Heathrow
$331
Find similar
KLM
25 Oct
LHR08:40London Heathrow
6h 55m
1 stop
OPO15:35Porto
1 Nov
OPO06:00Porto
6h 05m
1 stop
LHR12:05London Heathrow
$400
Find similar
KLM
26 Oct
LHR06:30London Heathrow
8h 55m
1 stop
OPO15:25Porto
1 Nov
OPO06:00Porto
6h 05m
1 stop
LHR12:05London Heathrow
$406
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 2 September 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

Sun 2/11

12:25-18:05

1 stop5h 40m

Porto

Wed 5/11

16:05-21:35

1 stop5h 30m

$281

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 7/10

13:45-19:00

1 stop5h 15m

Porto

Wed 15/10

10:00-18:50

1 stop8h 50m

$304

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 15/10

15:05-23:00

1 stop7h 55m

Porto

Wed 22/10

22:00-09:10

1 stop11h 10m

$305

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 13/11

10:00-19:20

1 stop9h 20m

Porto

Sun 16/11

11:25-16:35

1 stop5h 10m

$322

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 21/11

10:00-15:25

1 stop5h 25m

Porto

Mon 24/11

11:25-18:20

1 stop6h 55m

$324

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 31/10

10:00-15:25

1 stop5h 25m

Porto

Sun 2/11

05:00-10:45

1 stop5h 45m

$331

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 1/10

09:55-16:15

1 stop6h 20m

Porto

Wed 15/10

14:05-20:05

1 stop6h 00m

$336

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 21/2

15:05-20:00

1 stop4h 55m

Porto

Sun 8/3

12:25-18:50

1 stop6h 25m

$356

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 25/10

08:40-15:35

1 stop6h 55m

Porto

Sat 1/11

06:00-12:05

1 stop6h 05m

$400

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 26/10

08:25-07:40

1 stop23h 15m

Porto

Sun 2/11

20:40-19:25

1 stop22h 45m

$540

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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 $296. 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 $302.

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 $276. 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 $564.

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 $236. Flights in the morning are often more expensive, with an average ticket price of $327.

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 $423 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 $354 on momondo.

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

As of September 2025, prices for London Heathrow Airport to Porto flights are approximately 134% 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

Direct flights

None
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 4h 55m.

  • 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 $560Free cancellationRating
6.7
7,344 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

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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