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Cheap flights from London Heathrow Airport to Porto from $166

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 30/8. 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

KLM Logo
17:10 - 22:15LHR-OPO
5h 05m1 stop
KLM Logo
06:15 - 13:50OPO-LHR
7h 35m1 stop
$357KLM
Find Deal
Mon, 22 Sep - Wed, 1 Oct
TAP AIR PORTUGAL Logo
18:45 - 07:50LHR-OPO
13h 05m1 stop
TAP AIR PORTUGAL Logo
22:35 - 10:20OPO-LHR
11h 45m1 stop
$360TAP AIR PORTUGAL
Find Deal
Mon, 22 Sep - Mon, 29 Sep
Brussels Airlines Logo
06:50 - 16:00LHR-OPO
9h 10m1 stop
Brussels Airlines Logo
10:10 - 21:35OPO-LHR
11h 25m1 stop
$393Brussels Airlines
Find Deal
Mon, 25 Aug - Sat, 30 Aug
Lufthansa Logo
07:30 - 15:15LHR-OPO
7h 45m1 stop
Lufthansa Logo
13:45 - 21:00OPO-LHR
7h 15m1 stop
$409Lufthansa
Find Deal
Mon, 1 Dec - Wed, 31 Dec
Brussels Airlines Logo
17:50 - 09:20LHR-OPO
15h 30m1 stop
Brussels Airlines Logo
10:10 - 20:55OPO-LHR
10h 45m1 stop
$415Brussels Airlines
Find Deal
Fri, 15 Aug - Sat, 23 Aug
SWISS Logo
07:00 - 19:10LHR-OPO
12h 10m1 stop
SWISS Logo
19:20 - 07:55OPO-LHR
12h 35m1 stop
$416SWISS
Find Deal
Fri, 3 Oct - Mon, 6 Oct
Lufthansa Logo
07:30 - 15:25LHR-OPO
7h 55m1 stop
Lufthansa Logo
13:45 - 21:00OPO-LHR
7h 15m1 stop
$444Lufthansa
Find Deal
Thu, 18 Dec - Wed, 31 Dec
SWISS Logo
07:00 - 19:10LHR-OPO
12h 10m1 stop
SWISS Logo
19:20 - 07:55OPO-LHR
12h 35m1 stop
$451SWISS
Find Deal
Fri, 17 Oct - Fri, 24 Oct
 Logo
09:55 - 16:15LHR-OPO
6h 20m1 stop
 Logo
08:15 - 18:05OPO-LHR
9h 50m1 stop
Tue, 19 Aug - Wed, 20 Aug
 Logo
12:10 - 17:30LHR-OPO
5h 20m1 stop
 Logo
07:00 - 12:45OPO-LHR
5h 45m1 stop
Wed, 13 Aug - Thu, 14 Aug

KLM flights from London Heathrow Airport to Porto

Our best KLM deals on London Heathrow Airport to Porto flight tickets
KLM
22 Sept
LHR17:10London Heathrow
5h 05m
1 stop
OPO22:15Porto
1 Oct
OPO06:15Porto
7h 35m
1 stop
LHR13:50London Heathrow
KLM
2 Sept
LHR14:45London Heathrow
7h 30m
1 stop
OPO22:15Porto
6 Sept
OPO19:00Porto
12h 40m
1 stop
LHR07:40London Heathrow
KLM
27 Aug
LHR17:10London Heathrow
5h 05m
1 stop
OPO22:15Porto
6 Sept
OPO11:35Porto
9h 20m
1 stop
LHR20:55London Heathrow

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
22 Sept
LHR18:45London Heathrow
13h 05m
1 stop
OPO07:50Porto
29 Sept
OPO22:35Porto
11h 45m
1 stop
LHR10:20London Heathrow
TAP AIR PORTUGAL
6 Nov
LHR13:40London Heathrow
5h 20m
1 stop
OPO19:00Porto
9 Nov
OPO06:55Porto
5h 45m
1 stop
LHR12:40London Heathrow
TAP AIR PORTUGAL
19 Sept
LHR19:50London Heathrow
12h 10m
1 stop
OPO08:00Porto
5 Oct
OPO22:30Porto
11h 50m
1 stop
LHR10:20London Heathrow

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 $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 $299.

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

Our data shows that Monday is the least expensive day to fly to Porto. Tickets to fly out on this day can be as low as $296. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Porto for around $779.

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 evening are often more expensive, with an average ticket price of $682.

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 $354 on momondo.

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

As of July 2025, prices for London Heathrow Airport to Porto flights are approximately 44% 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

$166

Fastest flight time

4h 30m

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 $166. The best return flight deal from London Heathrow Airport to Porto found on momondo in the last 72 hours is $357.
The fastest flight from London Heathrow Airport to Porto takes 4h 30m
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)

  • 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 30m.

  • 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 $559Free cancellationRating
6.6
7,090 reviews
Search British Airways flights

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
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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