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Cheap flights from London Heathrow Airport to Porto from $80

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 11/15. 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 round-trip flights

Logo
3:30 pm - 8:15 pmLHR-OPO
4h 45m1 stop
Logo
8:55 pm - 2:45 pmOPO-LHR
17h 50m1 stop
$154
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Thu, Oct 30 - Thu, Nov 6
TAP AIR PORTUGAL Logo
4:30 pm - 10:00 pmLHR-OPO
5h 30m1 stop
TAP AIR PORTUGAL Logo
4:10 pm - 10:40 pmOPO-LHR
6h 30m1 stop
$161TAP AIR PORTUGAL
Find Deal
Thu, Mar 5 - Mon, Mar 9
Vueling Logo
8:50 pm - 8:10 amLHR-OPO
11h 20m1 stop
Vueling Logo
9:55 pm - 9:10 amOPO-LHR
11h 15m1 stop
$163Vueling
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Sat, Nov 8 - Mon, Nov 10
Vueling Logo
8:50 pm - 8:00 amLHR-OPO
11h 10m1 stop
Vueling Logo
10:00 pm - 9:10 amOPO-LHR
11h 10m1 stop
$168Vueling
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Wed, Oct 15 - Wed, Oct 22
British Airways Logo
6:15 am - 8:00 pmLHR-OPO
13h 45m1 stop
British Airways Logo
8:40 pm - 9:15 amOPO-LHR
12h 35m1 stop
$233British Airways
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Mon, Dec 15 - Sat, Jan 10
SWISS Logo
6:00 am - 11:25 amLHR-OPO
5h 25m1 stop
SWISS Logo
7:20 pm - 8:05 amOPO-LHR
12h 45m1 stop
$256SWISS
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Thu, Oct 23 - Wed, Oct 29
British Airways Logo
8:25 am - 8:00 pmLHR-OPO
11h 35m1 stop
British Airways Logo
8:20 am - 5:15 pmOPO-LHR
8h 55m1 stop
$276British Airways
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Sat, Nov 8 - Sat, Nov 15
Brussels Airlines Logo
11:05 am - 4:05 pmLHR-OPO
5h 00m1 stop
Brussels Airlines Logo
12:55 pm - 8:55 pmOPO-LHR
8h 00m1 stop
$278Brussels Airlines
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Wed, Oct 1 - Thu, Oct 16
Brussels Airlines Logo
7:45 am - 4:05 pmLHR-OPO
8h 20m1 stop
Brussels Airlines Logo
12:55 pm - 9:35 pmOPO-LHR
8h 40m1 stop
$280Brussels Airlines
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Wed, Oct 1 - Thu, Oct 16
SWISS Logo
12:05 pm - 8:40 pmLHR-OPO
8h 35m2 stops
SWISS Logo
9:10 am - 4:40 pmOPO-LHR
7h 30m1 stop
$335SWISS
Find Deal
Sat, Nov 8 - Mon, Nov 10

Vueling flights from London Heathrow Airport to Porto

Our best Vueling deals on London Heathrow Airport to Porto flight tickets
Vueling
Nov 8
LHR8:50 pmLondon Heathrow
11h 20m
1 stop
OPO8:10 amPorto
Nov 10
OPO9:55 pmPorto
11h 15m
1 stop
LHR9:10 amLondon Heathrow
$163
Find similar
Vueling
Oct 15
LHR8:50 pmLondon Heathrow
11h 10m
1 stop
OPO8:00 amPorto
Oct 22
OPO10:00 pmPorto
11h 10m
1 stop
LHR9:10 amLondon Heathrow
$168
Find similar
Vueling
Oct 7
LHR8:50 pmLondon Heathrow
11h 10m
1 stop
OPO8:00 amPorto
Oct 8
OPO10:00 pmPorto
11h 10m
1 stop
LHR9:10 amLondon Heathrow
$180
Find similar

British Airways flights from London Heathrow Airport to Porto

Our best British Airways deals on London Heathrow Airport to Porto flight tickets
British Airways
Dec 15
LHR6:15 amLondon Heathrow
13h 45m
1 stop
OPO8:00 pmPorto
Jan 10
OPO8:40 pmPorto
12h 35m
1 stop
LHR9:15 amLondon Heathrow
$233
Find similar
British Airways
Nov 8
LHR8:25 amLondon Heathrow
11h 35m
1 stop
OPO8:00 pmPorto
Nov 15
OPO8:20 amPorto
8h 55m
1 stop
LHR5:15 pmLondon Heathrow
$276
Find similar
British Airways
Dec 16
LHR4:30 pmLondon Heathrow
19h 15m
1 stop
OPO11:45 amPorto
Jan 10
OPO8:40 pmPorto
11h 45m
1 stop
LHR8:25 amLondon Heathrow
$304
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated September 16, 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

Thu 10/30

3:30 pm-8:15 pm

1 stop4h 45m

Porto

Thu 11/6

8:55 pm-2:45 pm

1 stop17h 50m

$154

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 3/5

4:30 pm-10:00 pm

1 stop5h 30m

Porto

Mon 3/9

4:10 pm-10:40 pm

1 stop6h 30m

$161

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 11/8

8:50 pm-8:10 am

1 stop11h 20m

Porto

Mon 11/10

9:55 pm-9:10 am

1 stop11h 15m

$163

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 10/15

8:50 pm-8:00 am

1 stop11h 10m

Porto

Wed 10/22

10:00 pm-9:10 am

1 stop11h 10m

$168

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 12/15

6:15 am-8:00 pm

1 stop13h 45m

Porto

Sat 1/10

8:40 pm-9:15 am

1 stop12h 35m

$233

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 10/23

6:00 am-11:25 am

1 stop5h 25m

Porto

Wed 10/29

7:20 pm-8:05 am

1 stop12h 45m

$256

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 11/8

8:25 am-8:00 pm

1 stop11h 35m

Porto

Sat 11/15

8:20 am-5:15 pm

1 stop8h 55m

$276

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 10/1

11:05 am-4:05 pm

1 stop5h 00m

Porto

Thu 10/16

12:55 pm-8:55 pm

1 stop8h 00m

$278

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 10/1

7:45 am-4:05 pm

1 stop8h 20m

Porto

Thu 10/16

12:55 pm-9:35 pm

1 stop8h 40m

$280

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 11/8

12:05 pm-8:40 pm

2 stops8h 35m

Porto

Mon 11/10

9:10 am-4:40 pm

1 stop7h 30m

$335

Flights are sorted by cheapest round-trip 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 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 $194. If you aren’t able to travel during the month of January, then book flights to Porto from London Heathrow Airport during November instead. Flights to Porto in November, while not as cheap as those in January, still average around $201.

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

The cheapest day to depart on your flight to Porto is on a Tuesday when prices can be found for as low as $202. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $280. 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?

At noon is the cheapest time of day to fly from London Heathrow Airport to Porto when you can find flight prices for as low as $161. Flying to Porto at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $292 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 travelers’ 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 $279 when searching weeks out. 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 $235 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 136% 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 round-trip 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.
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  • How far is London Heathrow to Porto by plane?

    There are 810.6 mi between London Heathrow and Porto. 4h 45m is a normal flight duration for this route.

  • 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 layovers. 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 required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable 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
TAP AIR PORTUGALPriceFrom $168Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Coimbra
Braga
Matosinhos
Caminha
Guimarães
Esposende
Lamego
Chaves
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Pinhao
Santa Maria da Feira
Curia
Penafiel
Mesao Frio
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?

Yes. momondo allows you to filter the results for London to Porto flights to just show those with flexible booking policies.

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

Once you have performed a search for London to Porto 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 Porto right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Porto, momondo offers a useful price alert feature which will track prices for flights to Porto from London and alert you when they change.

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