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Cheap flights from London Heathrow Airport to Porto from C$ 115

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 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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. - 8:00 a.m.
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
8:15 p.m. - 2:45 p.m.
OPO
-
LHR
18h 30m
1 stop
C$ 194Vueling
Mon, 28 Sep - Tue, 29 Sep
Vueling Logo
8:50 p.m. - 8:00 a.m.
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
8:15 p.m. - 2:45 p.m.
OPO
-
LHR
18h 30m
1 stop
C$ 198Vueling
Sat, 26 Sep - Tue, 29 Sep
Vueling Logo
8:50 p.m. - 8:00 a.m.
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
8:15 p.m. - 2:45 p.m.
OPO
-
LHR
18h 30m
1 stop
C$ 208Vueling
Sat, 26 Sep - Tue, 29 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$ 209Vueling
Thu, 17 Sep - Sat, 26 Sep
Vueling Logo
8:50 p.m. - 8:10 a.m.
LHR
-
OPO
11h 20m
1 stop
Vueling Logo
9:55 p.m. - 9:10 a.m.
OPO
-
LHR
11h 15m
1 stop
C$ 216Vueling
Sun, 1 Nov - Wed, 4 Nov
Vueling Logo
8:50 p.m. - 8:00 a.m.
LHR
-
OPO
11h 10m
1 stop
Vueling Logo
8:15 p.m. - 2:45 p.m.
OPO
-
LHR
18h 30m
1 stop
C$ 217Vueling
Sat, 19 Sep - Tue, 29 Sep
Vueling Logo
8:50 p.m. - 4:10 p.m.
LHR
-
OPO
19h 20m
1 stop
Vueling Logo
8:15 p.m. - 2:45 p.m.
OPO
-
LHR
18h 30m
1 stop
C$ 226Vueling
Thu, 24 Sep - Tue, 29 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$ 236Vueling
Thu, 17 Sep - Sat, 19 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$ 240Vueling
Thu, 17 Sep - Thu, 24 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$ 243Vueling
Thu, 17 Sep - Mon, 21 Sep

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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
28 Sep
LHR8:50 p.m.London Heathrow
11h 10m
1 stop
OPO8:00 a.m.Porto
29 Sep
OPO8:15 p.m.Porto
18h 30m
1 stop
LHR2:45 p.m.London Heathrow
C$ 194
Vueling
26 Sep
LHR8:50 p.m.London Heathrow
11h 10m
1 stop
OPO8:00 a.m.Porto
29 Sep
OPO8:15 p.m.Porto
18h 30m
1 stop
LHR2:45 p.m.London Heathrow
C$ 198
Vueling
26 Sep
LHR8:50 p.m.London Heathrow
11h 10m
1 stop
OPO8:00 a.m.Porto
29 Sep
OPO8:15 p.m.Porto
18h 30m
1 stop
LHR2:45 p.m.London Heathrow
C$ 208

KLM flights from London Heathrow Airport to Porto

Our best KLM deals on London Heathrow Airport to Porto flight tickets
KLM
26 Oct
LHR11:45 a.m.London Heathrow
10h 45m
1 stop
OPO10:30 p.m.Porto
1 Nov
OPO5:00 a.m.Porto
5h 45m
1 stop
LHR10:45 a.m.London Heathrow
C$ 297
KLM
26 Oct
LHR11:45 a.m.London Heathrow
10h 45m
1 stop
OPO10:30 p.m.Porto
1 Nov
OPO5:00 a.m.Porto
5h 45m
1 stop
LHR10:45 a.m.London Heathrow
C$ 299
KLM
26 Oct
LHR3:45 p.m.London Heathrow
6h 45m
1 stop
OPO10:30 p.m.Porto
10 Nov
OPO4:10 p.m.Porto
4h 40m
1 stop
LHR8:50 p.m.London Heathrow
C$ 341

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 31 July 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

Mon 28/9

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

1 stop11h 10m

Porto

Tue 29/9

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

1 stop18h 30m

C$ 194

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 26/9

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

1 stop11h 10m

Porto

Tue 29/9

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

1 stop18h 30m

C$ 198

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 26/9

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

1 stop11h 10m

Porto

Tue 29/9

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

1 stop18h 30m

C$ 208

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 17/9

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

1 stop11h 25m

Porto

Sat 26/9

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

1 stop11h 10m

C$ 209

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 1/11

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

1 stop11h 20m

Porto

Wed 4/11

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

1 stop11h 15m

C$ 216

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 19/9

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

1 stop11h 10m

Porto

Tue 29/9

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

1 stop18h 30m

C$ 217

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 24/9

8:50 p.m.-4:10 p.m.

1 stop19h 20m

Porto

Tue 29/9

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

1 stop18h 30m

C$ 226
Quickest round-trip

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 17/9

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

1 stop11h 10m

Porto

Sat 19/9

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

1 stop11h 10m

C$ 236

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 17/9

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

1 stop11h 10m

Porto

Thu 24/9

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

1 stop11h 10m

C$ 240

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 17/9

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$ 243

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?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 420 to C$ 523.
The lowest price recently found on this route was C$ 198.

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$ 281. 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$ 304.

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$ 174. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 876. 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$ 289. 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$ 385 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 July 2026, prices for London Heathrow Airport to Porto flights are approximately 29% cheaper 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

6h 15m

Direct flights

None
The fastest flight from London Heathrow Airport to Porto takes 6h 15m
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. 6h 15m 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
Braga
Guimarães
Coimbra
Pinhao
Aveiro
Ponte de Lima
Matosinhos
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.

An easier way to manage your Porto trip

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