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Cheap flights from London Heathrow Airport to Porto from C$ 122

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 18/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Vueling Logo
8:50 p.m. - 8:10 a.m.
LHR
-
OPO
11h 20m
1 stop
Vueling Logo
8:15 p.m. - 2:45 p.m.
OPO
-
LHR
18h 30m
1 stop
C$ 217Vueling
Thu, 10 Dec - Thu, 24 Dec
Vueling Logo
8:50 p.m. - 8:00 a.m.
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
10:00 p.m. - 9:10 a.m.
OPO
-
LHR
11h 10m
1 stop
C$ 246Vueling
Sat, 19 Sep - Tue, 22 Sep
Vueling Logo
9:55 a.m. - 4:10 p.m.
LHR
-
OPO
6h 15m
1 stop
Vueling Logo
10:00 p.m. - 9:10 a.m.
OPO
-
LHR
11h 10m
1 stop
C$ 259Vueling
Wed, 16 Sep - Wed, 16 Sep
Vueling Logo
8:50 p.m. - 8:00 a.m.
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
10:00 p.m. - 9:10 a.m.
OPO
-
LHR
11h 10m
1 stop
C$ 270Vueling
Fri, 18 Sep - Mon, 21 Sep
Vueling Logo
9:55 a.m. - 9:20 p.m.
LHR
-
OPO
11h 25m
1 stop
Vueling Logo
10:00 p.m. - 9:10 a.m.
OPO
-
LHR
11h 10m
1 stop
C$ 285Vueling
Wed, 14 Oct - Sat, 17 Oct
Vueling Logo
8:50 p.m. - 8:00 a.m.
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
8:35 a.m. - 8:05 p.m.
OPO
-
LHR
11h 30m
1 stop
C$ 296Vueling
Sun, 6 Sep - Wed, 9 Sep
Vueling Logo
9:55 a.m. - 4:10 p.m.
LHR
-
OPO
6h 15m
1 stop
Vueling Logo
10:00 p.m. - 9:10 a.m.
OPO
-
LHR
11h 10m
1 stop
C$ 303Vueling
Tue, 15 Sep - Tue, 15 Sep
Vueling Logo
8:50 p.m. - 8:00 a.m.
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
10:00 p.m. - 9:10 a.m.
OPO
-
LHR
11h 10m
1 stop
C$ 314Vueling
Sat, 4 Jul - Tue, 7 Jul
Vueling Logo
9:55 a.m. - 4:35 p.m.
LHR
-
OPO
6h 40m
1 stop
Vueling Logo
10:00 p.m. - 9:10 a.m.
OPO
-
LHR
11h 10m
1 stop
C$ 316Vueling
Wed, 8 Jul - Wed, 8 Jul
Vueling Logo
8:50 p.m. - 8:00 a.m.
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
10:00 p.m. - 9:10 a.m.
OPO
-
LHR
11h 10m
1 stop
C$ 319Vueling
Fri, 10 Jul - Tue, 14 Jul

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Vueling flights from London Heathrow Airport to Porto

Our best Vueling deals on London Heathrow Airport to Porto flight tickets
Vueling
10 Dec
LHR8:50 p.m.London Heathrow
11h 20m
1 stop
OPO8:10 a.m.Porto
24 Dec
OPO8:15 p.m.Porto
18h 30m
1 stop
LHR2:45 p.m.London Heathrow
C$ 217
Vueling
19 Sep
LHR8:50 p.m.London Heathrow
11h 10m
1 stop
OPO8:00 a.m.Porto
22 Sep
OPO10:00 p.m.Porto
11h 10m
1 stop
LHR9:10 a.m.London Heathrow
C$ 246
Vueling
16 Sep
LHR9:55 a.m.London Heathrow
6h 15m
1 stop
OPO4:10 p.m.Porto
16 Sep
OPO10:00 p.m.Porto
11h 10m
1 stop
LHR9:10 a.m.London Heathrow
C$ 259

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
25 Sep
LHR7:50 p.m.London Heathrow
12h 10m
1 stop
OPO8:00 a.m.Porto
2 Oct
OPO10:30 p.m.Porto
14h 15m
1 stop
LHR12:45 p.m.London Heathrow
C$ 408
TAP AIR PORTUGAL
1 Oct
LHR6:45 p.m.London Heathrow
5h 55m
1 stop
OPO12:40 a.m.Porto
3 Oct
OPO3:30 p.m.Porto
6h 30m
1 stop
LHR10:00 p.m.London Heathrow
C$ 426
TAP AIR PORTUGAL
16 Jun
LHR6:45 p.m.London Heathrow
15h 15m
1 stop
OPO10:00 a.m.Porto
24 Jun
OPO10:30 p.m.Porto
19h 15m
1 stop
LHR5:45 p.m.London Heathrow
C$ 486

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 96,600 searches. Data last updated 15 June 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

Cheapest round-trip

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 10/12

8:50 p.m.-8:10 a.m.

1 stop11h 20m

Porto

Thu 24/12

8:15 p.m.-2:45 p.m.

1 stop18h 30m

C$ 217

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 19/9

8:50 p.m.-8:00 a.m.

1 stop11h 10m

Porto

Tue 22/9

10:00 p.m.-9:10 a.m.

1 stop11h 10m

C$ 246
Quickest round-trip

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 16/9

9:55 a.m.-4:10 p.m.

1 stop6h 15m

Porto

Wed 16/9

10:00 p.m.-9:10 a.m.

1 stop11h 10m

C$ 259

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 18/9

8:50 p.m.-8:00 a.m.

1 stop11h 10m

Porto

Mon 21/9

10:00 p.m.-9:10 a.m.

1 stop11h 10m

C$ 270

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 14/10

9:55 a.m.-9:20 p.m.

1 stop11h 25m

Porto

Sat 17/10

10:00 p.m.-9:10 a.m.

1 stop11h 10m

C$ 285

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 6/9

8:50 p.m.-8:00 a.m.

1 stop11h 10m

Porto

Wed 9/9

8:35 a.m.-8:05 p.m.

1 stop11h 30m

C$ 296

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 15/9

9:55 a.m.-4:10 p.m.

1 stop6h 15m

Porto

Tue 15/9

10:00 p.m.-9:10 a.m.

1 stop11h 10m

C$ 303

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 4/7

8:50 p.m.-8:00 a.m.

1 stop11h 10m

Porto

Tue 7/7

10:00 p.m.-9:10 a.m.

1 stop11h 10m

C$ 314

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 8/7

9:55 a.m.-4:35 p.m.

1 stop6h 40m

Porto

Wed 8/7

10:00 p.m.-9:10 a.m.

1 stop11h 10m

C$ 316

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 10/7

8:50 p.m.-8:00 a.m.

1 stop11h 10m

Porto

Tue 14/7

10:00 p.m.-9:10 a.m.

1 stop11h 10m

C$ 319

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 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 C$ 278. If you’re not able to fly to Porto in January, then November is your next best option. Flight prices from London Heathrow Airport to Porto during November average around C$ 303.

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

The cheapest day to depart from London Heathrow Airport to Porto is on a Wednesday. Travellers who choose to depart for Porto on a Wednesday will often find tickets for as low as C$ 173. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 873. 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?

In the afternoon is the cheapest time of day to fly from London Heathrow Airport to Porto when you can find flight prices for as low as C$ 188. Flying to Porto in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around C$ 319. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight from London Heathrow Airport 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 C$ 391 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 C$ 316 on momondo.

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

As of June 2026, prices for London Heathrow Airport to Porto flights are approximately 54% 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

Fastest flight time

5h 55m

Direct flights

None
The fastest flight from London Heathrow Airport to Porto takes 5h 55m
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

Frequently asked questions about flying from London Heathrow Airport to Porto

  • How far is London Heathrow to Porto by plane?

    The distance between London Heathrow and Porto is about 1304.5 km. 5h 55m 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 refreshed on a daily basis.

  • 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 necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Matosinhos
Coimbra
Pinhao
Braga
Aveiro
Ponte de Lima
Guimarães
Lamego
Espinho
Caminha
Mira

Why use momondo?

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

It is quick and easy to find London to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

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

Flights from London to Porto with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

Price alerts on flights to Porto from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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