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Cheap flights from London Heathrow Airport to Porto from £57

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
9 Mar — 16 Mar1
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 7 February 2026.

Mon 2/320:50
LHR
-
OPO
1 stop11h 20m
Vueling
Tue 10/321:55
OPO
-
LHR
1 stop11h 15m
Vueling
Deal found 3/2£113
Mon 2/320:50
LHR
-
OPO
1 stop11h 20m
Vueling
Wed 11/321:55
OPO
-
LHR
1 stop11h 15m
Vueling
Deal found 6/2£116
Tue 17/309:55
LHR
-
OPO
1 stop11h 20m
Vueling
Wed 18/308:45
OPO
-
LHR
1 stop11h 20m
Vueling
Deal found 5/2£117
Tue 3/320:50
LHR
-
OPO
1 stop11h 20m
Vueling
Mon 9/321:55
OPO
-
LHR
1 stop11h 15m
Vueling
Deal found 4/2£121
Mon 23/220:50
LHR
-
OPO
1 stop11h 20m
Vueling
Wed 25/221:55
OPO
-
LHR
1 stop11h 15m
Vueling
Deal found 4/2£123
Fri 13/306:00
LHR
-
OPO
1 stop9h 00m
TAP AIR PORTUGAL
Sun 15/306:55
OPO
-
LHR
1 stop5h 45m
TAP AIR PORTUGAL
Deal found 5/2£124
Sat 7/318:45
LHR
-
OPO
1 stop12h 55m
Multiple Airlines
Tue 10/321:55
OPO
-
LHR
1 stop11h 15m
Multiple Airlines
Deal found 4/2£125
Thu 5/315:30
LHR
-
OPO
1 stop4h 45m
Multiple Airlines
Thu 19/320:05
OPO
-
LHR
1 stop18h 40m
Multiple Airlines
Deal found 5/2£127
Mon 23/206:00
LHR
-
OPO
1 stop7h 00m
TAP AIR PORTUGAL
Sat 28/213:00
OPO
-
LHR
1 stop9h 40m
TAP AIR PORTUGAL
Deal found 5/2£128
Wed 4/309:55
LHR
-
OPO
1 stop11h 20m
Vueling
Wed 18/314:35
OPO
-
LHR
1 stop5h 30m
Vueling
Deal found 4/2£131
Sat 7/309:55
LHR
-
OPO
1 stop11h 55m
Multiple Airlines
Sat 14/313:00
OPO
-
LHR
1 stop7h 05m
Multiple Airlines
Deal found 6/2£133
Tue 24/210:45
LHR
-
OPO
1 stop6h 15m
Multiple Airlines
Wed 25/213:55
OPO
-
LHR
1 stop6h 10m
Multiple Airlines
Deal found 3/2£134

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 7 February 2026.

Round-trip from

£113

One-way from

£57

Popular in

May

Cheapest in

January

Average price

£161
Vueling
  • Vueling
  • 2/3-10/3
  • 2 total stops
  • 22h 35m total
  • London to Porto
Search Deals
12/3
  • 12/3
  • 1 total stop
  • 4h 45m total
  • London to Porto
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 7 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Porto that are best for you.

Fly from

Heathrow

Fly to

Porto

Route

Depart

Return

Price

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 13/3

20:25-10:30

1 stop14h 05m

Porto

Wed 18/3

05:00-13:50

1 stop8h 50m

£149

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 28/2

06:50-12:05

1 stop5h 15m

Porto

Sat 7/3

12:55-21:20

1 stop8h 25m

£158

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 2/3

10:00-22:25

1 stop12h 25m

Porto

Thu 5/3

11:15-17:00

1 stop5h 45m

£160

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 22/2

12:25-18:05

1 stop5h 40m

Porto

Tue 3/3

16:00-21:35

1 stop5h 35m

£177

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 22/2

12:25-18:05

1 stop5h 40m

Porto

Mon 2/3

11:30-17:30

1 stop6h 00m

£177

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 11/3

13:40-18:55

1 stop5h 15m

Porto

Sat 14/3

12:00-17:30

1 stop5h 30m

£177

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 22/2

12:25-18:05

1 stop5h 40m

Porto

Thu 5/3

07:00-12:40

1 stop5h 40m

£177

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 13/3

12:25-18:00

1 stop5h 35m

Porto

Thu 19/3

12:05-17:30

1 stop5h 25m

£178

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 2/3

20:50-08:10

1 stop11h 20m

£66

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 7/3

18:45-07:40

1 stop12h 55m

£70

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 19 results
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 30 January 2026.

The best time to book flights from London Heathrow Airport to Porto is 82 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of £76). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of £163). 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 7 February 2026.
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
7.7
Good
1,450 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,450 reviews
KLM
7.7
Good
1,450 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Brussels Airlines
7.2
Good
384 reviews
KLM
7.7
Good
1,450 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
TAP AIR PORTUGAL
7.1
Good
2,135 reviews
KLM
7.7
Good
1,450 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Iberia
7.0
Good
3,106 reviews
KLM
7.7
Good
1,450 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,719 reviews
KLM
7.7
Good
1,450 reviews
Check prices

Boarding

7.8

Crew

8.4

Food

7.3

Overall

7.7

Comfort

7.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 10 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 15m. Fly via KLM, Brussels Airlines, or TAP AIR PORTUGAL to get the fastest option. Airlines will cover a distance of 806 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £36. Other airlines that can offer you cheap pricing are Ryanair, from £62, and British Airways, from £80. Users have found that easyJet is 82% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Porto one-way?

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as £73. However, be on the lookout for offers from Iberia and KLM, as they are both options that can get you from London Heathrow Airport to Porto for a low price.

  • 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of £76). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of £163). 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
Guimarães
Coimbra
Chaves
Viseu
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 10 airlines flying from Heathrow to Porto

Discover the top 10 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 7 February 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£36Average£165FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£62Average£102FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
British AirwaysCheapest£80Average£286FlexibilityNo cancel feeOn-time70%
Search British Airways flights
VuelingCheapest£82Average£184FlexibilityNo cancel feeOn-time88%
Search Vueling flights
IberiaCheapest£112Average£226FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£130Average£216FlexibilityNo cancel feeOn-time75%
Search KLM flights
TAP AIR PORTUGALCheapest£135Average£188FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£155Average£346FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£170Average£293FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
SWISSCheapest£193Average£288FlexibilityNo cancel feeOn-time79%
Search SWISS 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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