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Cheap flights from London Heathrow Airport to Porto from £51

LHR — OPO
29 Oct — 5 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

Sat 28/1109:55 -
1 stop11h 20m
Tue 1/1221:55 -
1 stop11h 15m
Deal found 27/9£105
Tue 27/1015:30 -
1 stop4h 40m
Thu 5/1120:55 -
1 stop21h 05m
Deal found 26/9£111
Wed 25/1120:50 -
1 stop11h 20m
Sat 28/1121:55 -
1 stop11h 15m
Deal found 27/9£114
Wed 16/1220:50 -
1 stop11h 20m
Sat 19/1220:05 -
1 stop18h 40m
Deal found 25/9£115
Thu 12/1115:30 -
1 stop4h 50m
Thu 19/1120:55 -
1 stop17h 50m
Deal found 28/9£115
Tue 27/1015:30 -
1 stop4h 40m
Tue 3/1120:45 -
1 stop18h 00m
Deal found 26/9£119
Mon 23/1109:55 -
1 stop11h 20m
Tue 1/1221:55 -
1 stop11h 15m
Deal found 28/9£120
Thu 31/1220:50 -
1 stop11h 20m
Fri 15/108:45 -
1 stop11h 20m
Deal found 25/9£121
Thu 3/1209:55 -
1 stop9h 30m
Sat 5/1221:55 -
1 stop11h 15m
Deal found 26/9£121
Sat 7/1120:05 -
1 stop15h 10m
Mon 9/1109:10 -
1 stop9h 30m
Deal found 25/9£123
Sun 8/1106:00 -
1 stop5h 15m
Mon 9/1109:10 -
1 stop12h 15m
Deal found 24/9£124

Find flight deals from Heathrow to Porto

Round-trip from

£105

One-way from

£51

Popular in

December

Cheapest in

January

Average price

£193
Vueling
  • Vueling
  • 28/11-1/12
  • 2 total stops
  • 22h 35m total
  • London to Porto
Search Deals
Vueling
  • Vueling
  • 25/11-31/12
  • 1 total stop
  • 11h 20m total
  • London to Porto
Search Deals
High demand for flights, 4% 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 September 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

Sat 28/11

09:55-21:15

1 stop11h 20m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Mon 9/11

20:50-08:10

1 stop11h 20m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Fri 13/11

20:50-08:10

1 stop11h 20m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£66

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Tue 23/2

09:55-21:15

1 stop11h 20m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£66

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Mon 25/1

15:15-10:10

1 stop18h 55m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£72

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Wed 3/3

15:15-16:20

1 stop25h 05m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Wed 21/10

20:50-08:00

1 stop11h 10m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75
Fastest return journey

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Wed 14/10

09:55-16:10

1 stop6h 15m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£85

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Tue 8/12

15:15-18:55

1 stop27h 40m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£92

LondonPorto

LHR London Heathrow - OPO Porto

LHROPO

London Heathrow

Mon 26/10

06:00-00:30

1 stop18h 30m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£114

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 21 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 £170 and £198 in November.
The cheapest return price found within the last 5 days was £105 on Vueling (28 Nov–1 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
1,578 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,578 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Brussels Airlines
7.2
Good
433 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
TAP AIR PORTUGAL
7.2
Good
2,386 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Iberia
7.0
Good
3,247 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
easyJet
6.9
Okay
1,926 reviews
KLM
7.8
Good
1,578 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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 11h 20m. Fly via Vueling 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 £52. Other airlines that can offer you cheap pricing are Vueling, from £130, and TAP AIR PORTUGAL, from £134. Users have found that easyJet is 74% 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
Chaves
Coimbra
Viseu
Aveiro
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£52Average£153FlexibilityNo cancel feeOn-time86%
Search easyJet flights
VuelingCheapest£130Average£174FlexibilityNo cancel feeOn-time88%
Search Vueling flights
TAP AIR PORTUGALCheapest£134Average£188FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£135Average£273FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£159Average£277FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest£163Average£229FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Brussels AirlinesCheapest£197Average£311FlexibilityNo 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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