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Cheap flights from London Heathrow Airport to Porto from £51

LHR — OPO
13 Nov — 20 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Porto

Tue 17/1118:45 -
1 stop12h 55m
Tue 15/1220:40 -
1 stop11h 45m
Deal found 11/10£110
Thu 10/1220:50 -
1 stop11h 20m
Tue 15/1207:35 -
1 stop7h 55m
Deal found 13/10£111
Thu 10/1220:50 -
1 stop11h 20m
Tue 16/321:55 -
1 stop11h 15m
Deal found 13/10£113
Mon 14/1220:50 -
1 stop11h 20m
Mon 21/1208:45 -
1 stop11h 20m
Deal found 14/10£116
Wed 25/1120:50 -
1 stop11h 20m
Wed 2/1214:35 -
1 stop5h 30m
Deal found 11/10£117
Sat 28/1109:55 -
1 stop11h 20m
Sat 5/1221:55 -
1 stop11h 15m
Deal found 10/10£118
Sat 14/1109:55 -
1 stop11h 20m
Mon 16/1120:40 -
1 stop20h 35m
Deal found 14/10£119
Wed 25/1120:50 -
1 stop11h 20m
Mon 30/1121:55 -
1 stop11h 15m
Deal found 10/10£121
Tue 17/1115:30 -
1 stop4h 40m
Tue 24/1121:55 -
1 stop11h 15m
Deal found 13/10£122
Tue 17/1115:30 -
1 stop4h 40m
Thu 19/1112:00 -
1 stop6h 55m
Deal found 14/10£125

Find flight deals from Heathrow to Porto

Round-trip from

£110

One-way from

£51

Popular in

December

Cheapest in

January

Average price

£191
Iberia
  • Iberia
  • 17/11-15/12
  • 2 total stops
  • 24h 40m total
  • London to Porto
Search Deals
Vueling
  • Vueling
  • 12/12-31/12
  • 1 total stop
  • 11h 20m total
  • London to Porto
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
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 return flight

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Thu 31/12

20:50-08:10

1 stop11h 20m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Wed 18/11

20:50-08:10

1 stop11h 20m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£76

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Tue 29/12

06:00-19:00

1 stop13h 00m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Tue 8/12

15:15-16:20

1 stop25h 05m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£93

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Tue 10/11

06:50-12:05

1 stop5h 15m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£135

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Fri 8/1

06:50-12:00

1 stop5h 10m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136
Fastest return journey

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Thu 7/1

06:50-11:50

1 stop5h 00m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Sat 28/11

06:50-11:50

1 stop5h 00m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Tue 12/1

06:50-12:05

1 stop5h 15m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Sun 15/11

06:50-12:00

1 stop5h 10m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£136

Flights are sorted by cheapest return flights first.

Deals found on 9/10

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Porto

How far ahead should I book a flight from London Heathrow Airport to Porto?

The best time to book flights from London Heathrow Airport to Porto is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from London Heathrow Airport to Porto?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of £150). Flying from London Heathrow Airport to Porto in December is currently the most expensive (average of £266). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Heathrow Airport to Porto?

Airfare is below average for this route at the moment.

London Heathrow Airport to Porto flights typically cost between £151 and £228 in November.
The cheapest return price found within the last 5 days was £110 on Iberia (17 Nov–15 Dec).

Reviews of airlines servicing Porto

Get a feel of what it's like to fly with KLM,Brussels Airlines, andTAP AIR PORTUGAL from London Heathrow Airport to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,588 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.
KLM
7.8
Good
1,588 reviews
KLM
7.8
Good
1,588 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.
Brussels Airlines
7.3
Good
436 reviews
KLM
7.8
Good
1,588 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.
TAP AIR PORTUGAL
7.2
Good
2,378 reviews
KLM
7.8
Good
1,588 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.
Iberia
7.0
Good
3,245 reviews
KLM
7.8
Good
1,588 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.
easyJet
6.9
Okay
1,924 reviews
KLM
7.8
Good
1,588 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Artem,Oct 2026

FCO - AMS

Having to wait 2 hours in line just to get a boarding pass with no checked baggage is unacceptable for a modern airport. Receiving only 2 out of 9 boarding passes and then having to wait another 2 hours for the remaining ones is a disaster.

Related info for your journey

  • What airport do you fly into for flights to Porto from London Heathrow?

    Most people fly into Porto (OPO) if they book a flight to Porto from London Heathrow. On average, Porto has 0 inbound flights from London Heathrow per day from 7 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

  • How long is the flight from London Heathrow Airport to Porto?

    There are many flights that can get you from London Heathrow Airport to Porto in 10h 15m. Fly via Scandinavian Airlines to get the fastest option. Airlines will cover a distance of 806 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to Porto round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Porto round-trip from £84. Other airlines that can offer you cheap pricing are Vueling, from £130, and TAP AIR PORTUGAL, from £133. Users have found that easyJet is 58% cheaper than the other options available to this destination.

  • Can I find deals for flights from Heathrow to Porto that include hotel bookings?

    Yes. In addition to deals on Heathrow to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Porto.

  • Can I find deals for business class flights from Heathrow to Porto?

    Yes. Cheapflights offers flight deals from Heathrow to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Porto?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of £150). Flying from London Heathrow Airport to Porto in December is currently the most expensive (average of £266). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Guimarães
Santa Maria da Feira
Aveiro
Chaves
Coimbra
Viseu
Vila Nova de Gaia

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Heathrow to Porto

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£84Average£194FlexibilityNo cancel feeOn-time86%
Search easyJet flights
VuelingCheapest£130Average£174FlexibilityNo cancel feeOn-time88%
Search Vueling flights
TAP AIR PORTUGALCheapest£133Average£191FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£135Average£274FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£145Average£277FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£163Average£230FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Brussels AirlinesCheapest£197Average£312FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Porto?

Cheapflights makes it easy to find Heathrow to Porto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Porto?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Porto.

Can Cheapflights find flights from Heathrow to Porto with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Porto, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Porto become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Porto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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