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Cheap flights from London Heathrow Airport to Porto from £51

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
17 May — 24 May1
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
Explore the most affordable flight options available from Heathrow to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2026.

Fri 8/515:30
LHR
-
OPO
1 stop16h 20m
Vueling
Thu 14/520:40
OPO
-
LHR
1 stop18h 05m
Vueling
Deal found 14/4£121
Sat 9/520:50
LHR
-
OPO
1 stop10h 30m
Multiple Airlines
Mon 11/522:40
OPO
-
LHR
1 stop10h 30m
Multiple Airlines
Deal found 16/4£123
Mon 18/520:50
LHR
-
OPO
1 stop11h 10m
Vueling
Tue 26/522:00
OPO
-
LHR
1 stop11h 10m
Vueling
Deal found 15/4£124
Mon 18/520:50
LHR
-
OPO
1 stop11h 10m
Vueling
Wed 20/522:00
OPO
-
LHR
1 stop11h 10m
Vueling
Deal found 14/4£129
Sat 9/520:50
LHR
-
OPO
1 stop10h 30m
Multiple Airlines
Tue 12/522:00
OPO
-
LHR
1 stop11h 10m
Multiple Airlines
Deal found 12/4£131
Tue 5/520:50
LHR
-
OPO
1 stop11h 10m
Vueling
Tue 12/522:00
OPO
-
LHR
1 stop11h 10m
Vueling
Deal found 14/4£131
Wed 22/418:45
LHR
-
OPO
1 stop5h 55m
TAP AIR PORTUGAL
Sat 25/409:00
OPO
-
LHR
1 stop8h 45m
TAP AIR PORTUGAL
Deal found 12/4£132
Sat 7/1120:50
LHR
-
OPO
1 stop11h 20m
Vueling
Sat 14/1121:55
OPO
-
LHR
1 stop11h 15m
Vueling
Deal found 13/4£133
Mon 1/620:50
LHR
-
OPO
1 stop10h 20m
Multiple Airlines
Fri 5/622:30
OPO
-
LHR
1 stop10h 40m
Multiple Airlines
Deal found 14/4£134
Sat 10/1020:00
LHR
-
OPO
1 stop11h 40m
Iberia
Sat 17/1016:40
OPO
-
LHR
1 stop5h 35m
Iberia
Deal found 12/4£135

Find flight deals from Heathrow to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 April 2026.

Round-trip from

£121

One-way from

£51

Popular in

May

Cheapest in

January

Average price

£224
Vueling
  • Vueling
  • 8/5-14/5
  • 2 total stops
  • 34h 25m total
  • London to Porto
Search Deals
Vueling
  • Vueling
  • 2/6
  • 1 total stop
  • 27h 10m total
  • London to Porto
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 17 April 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 return flight

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 15/5

15:20-22:00

1 stop6h 40m

Porto

Fri 22/5

19:05-07:40

1 stop12h 35m

£154

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 12/5

18:45-00:40

1 stop5h 55m

Porto

Fri 15/5

22:30-12:45

1 stop14h 15m

£200

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 18/5

18:45-00:40

1 stop5h 55m

Porto

Wed 20/5

07:00-12:45

1 stop5h 45m

£206

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 27/4

06:00-00:40

1 stop18h 40m

Porto

Tue 28/4

21:15-10:20

1 stop13h 05m

£206

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 24/4

18:45-00:40

1 stop5h 55m

Porto

Sun 26/4

22:30-10:20

1 stop11h 50m

£211

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 7/6

13:45-20:25

1 stop6h 40m

Porto

Sun 14/6

22:30-10:20

1 stop11h 50m

£212

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 27/4

06:00-00:40

1 stop18h 40m

Porto

Sun 3/5

05:05-10:20

1 stop5h 15m

£213
Fastest return journey

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 7/5

17:10-22:15

1 stop5h 05m

Porto

Sat 16/5

05:00-10:45

1 stop5h 45m

£235

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 18/6

11:45-18:20

1 stop6h 35m

Porto

Sun 21/6

05:00-10:45

1 stop5h 45m

£263

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 3/7

18:45-00:40

1 stop5h 55m

Porto

Sun 5/7

11:00-22:00

1 stop11h 00m

£263

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a return flight from Heathrow to Porto. Price data was last updated on 10 April 2026.

The best time to book flights from London Heathrow Airport to Porto is 32 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 £147). Flying from London Heathrow Airport to Porto in May is currently the most expensive (average of £282). 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?

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 17 April 2026.
Get a feel of what it's like to fly with Brussels Airlines,TAP AIR PORTUGAL, andIberia 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.
Brussels Airlines
7.2
Good
403 reviews
Check prices

Overall

7.2

Crew

7.9

Entertainment

6.2

Boarding

7.3

Food

6.3

Comfort

7.0

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
Brussels Airlines
7.2
Good
403 reviews
Brussels Airlines
7.2
Good
403 reviews
Check prices

Overall

7.2

Crew

7.9

Entertainment

6.2

Boarding

7.3

Food

6.3

Comfort

7.0

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
TAP AIR PORTUGAL
7.1
Good
2,207 reviews
Brussels Airlines
7.2
Good
403 reviews
Check prices

Overall

7.2

Crew

7.9

Entertainment

6.2

Boarding

7.3

Food

6.3

Comfort

7.0

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
Iberia
7.0
Good
3,182 reviews
Brussels Airlines
7.2
Good
403 reviews
Check prices

Overall

7.2

Crew

7.9

Entertainment

6.2

Boarding

7.3

Food

6.3

Comfort

7.0

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
easyJet
6.9
Okay
1,891 reviews
Brussels Airlines
7.2
Good
403 reviews
Check prices

Overall

7.2

Crew

7.9

Entertainment

6.2

Boarding

7.3

Food

6.3

Comfort

7.0

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
British Airways
6.7
Okay
7,891 reviews
Brussels Airlines
7.2
Good
403 reviews
Check prices

Overall

7.2

Crew

7.9

Entertainment

6.2

Boarding

7.3

Food

6.3

Comfort

7.0

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 9 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 5h 55m. Fly via TAP AIR PORTUGAL 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 £47. Other airlines that can offer you cheap pricing are Ryanair, from £63, and Vueling, from £82. Users have found that easyJet is 78% 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 £147). Flying from London Heathrow Airport to Porto in May is currently the most expensive (average of £282). 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
Santa Maria da Feira
Viseu
Guimarães
Coimbra
Chaves
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Heathrow to Porto

Discover the top 9 airlines that operate flights from Heathrow to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£47Average£168FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£63Average£102FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
VuelingCheapest£82Average£181FlexibilityNo cancel feeOn-time88%
Search Vueling flights
IberiaCheapest£108Average£247FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£112Average£353FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£136Average£189FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£141Average£243FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£143Average£359FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£182Average£309FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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