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Cheap flights from London Heathrow Airport to Porto from £71

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
6 7月 — 13 7月1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Porto are usually found in January or November, booked 32 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap 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 1 7月 2025.

Round-trip from

£121

One-way from

£71

Popular in

August

Cheapest in

January

Average price

£231
Vueling
  • Vueling
  • 6/11-11/11
  • 2 total stops
  • 35h 45m total
  • London to Porto
Vueling
  • Vueling
  • 2/9
  • 1 total stop
  • 21h 55m total
  • London to Porto
Highest demand for flights based on searches. 15% potential increase in price (£27 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Heathrow to Porto

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 1 7月 2025.

週四 6/1115:15LHR - OPO
1 stop17h 05mVueling
週二 11/1120:05OPO - LHR
1 stop18h 40mVueling
Deal found 29/6£121
週六 30/817:10LHR - OPO
1 stop7h 00mMultiple Airlines
週二 16/906:15OPO - LHR
1 stop6h 35mMultiple Airlines
Deal found 29/6£127
週一 3/1118:45LHR - OPO
1 stop12h 55mIberia
週二 4/1120:40OPO - LHR
1 stop12h 35mIberia
Deal found 30/6£148
週一 10/1106:00LHR - OPO
1 stop9h 20mTAP AIR PORTUGAL
週六 15/1112:00OPO - LHR
1 stop6h 55mTAP AIR PORTUGAL
Deal found 29/6£155
週日 21/914:45LHR - OPO
1 stop7h 30mKLM
週三 24/906:15OPO - LHR
1 stop7h 35mKLM
Deal found 30/6£163
週二 14/1009:00LHR - OPO
1 stop14h 20mLufthansa
週四 23/1006:15OPO - LHR
1 stop10h 50mLufthansa
Deal found 30/6£179
週二 19/811:05LHR - OPO
1 stop6h 35mBrussels Airlines
週六 23/810:10OPO - LHR
1 stop10h 45mBrussels Airlines
Deal found 30/6£183

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 1 7月 2025.
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

週四 6/11

15:15-08:20

1 stop17h 05m

Porto

週二 11/11

20:05-14:45

1 stop18h 40m

£121

LondonPorto

LHR - OPO

LHROPO

London Heathrow

週六 30/8

17:10-00:10

1 stop7h 00m

Porto

週二 16/9

06:15-12:50

1 stop6h 35m

£127

LondonPorto

LHR - OPO

LHROPO

London Heathrow

週一 3/11

18:45-07:40

1 stop12h 55m

Porto

週二 4/11

20:40-09:15

1 stop12h 35m

£148

LondonPorto

LHR - OPO

LHROPO

London Heathrow

週一 10/11

06:00-15:20

1 stop9h 20m

Porto

週六 15/11

12:00-18:55

1 stop6h 55m

£155

LondonPorto

LHR - OPO

LHROPO

London Heathrow

週日 21/9

14:45-22:15

1 stop7h 30m

Porto

週三 24/9

06:15-13:50

1 stop7h 35m

£163

LondonPorto

LHR - OPO

LHROPO

London Heathrow

週二 14/10

09:00-23:20

1 stop14h 20m

Porto

週四 23/10

06:15-17:05

1 stop10h 50m

£179

LondonPorto

LHR - OPO

LHROPO

London Heathrow

週二 19/8

11:05-17:40

1 stop6h 35m

Porto

週六 23/8

10:10-20:55

1 stop10h 45m

£183

LondonPorto

LHR - OPO

LHROPO

London Heathrow

週二 2/9

15:05-13:00

1 stop21h 55m

£71

LondonPorto

LHR - OPO

LHROPO

London Heathrow

週六 11/10

20:00-07:35

1 stop11h 35m

£82

LondonPorto

LHR - OPO

LHROPO

London Heathrow

週日 28/9

08:00-10:00

1 stop26h 00m

£84

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 15 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 27 June 2025.

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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of £66). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of £258). 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.

What is the cheapest time of day to fly from LHR to OPO?

Find hourly flight availability from Heathrow to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 7月 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from London Heathrow Airport to Porto by exploring options for tickets at midday.

What is the cheapest day to fly from London Heathrow Airport to Porto?

Use this chart to determine the cheapest time to fly return from Heathrow to Porto. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Porto flight should consider departing on Sunday at midday when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 1 7月 2025.
Get a feel of what it's like to fly with KLM, Air France, andSWISS 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.

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Overall

7.8

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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 £121. Other airlines that can offer you cheap pricing are Iberia, from £149, and TAP AIR PORTUGAL, from £155. Users have found that Vueling is 40% 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 Vueling, with whom users have recently found tickets for as low as £71. However, be on the lookout for offers from Iberia and TAP AIR PORTUGAL, 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of £66). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of £258). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Coimbra
Viseu
Guimarães
Vila Nova de Gaia
Chaves
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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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 1 7月 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£61Average£167FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£62Average£78FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
VuelingCheapest£93Average£194FlexibilityNo cancel feeOn-time88%
Search Vueling flights
British AirwaysCheapest£97Average£261FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£125Average£187FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£128Average£170FlexibilityNo cancel feeOn-time75%
Search KLM flights
SWISSCheapest£135Average£178FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£137Average£270FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest£140Average£245FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Brussels AirlinesCheapest£169Average£283FlexibilityNo 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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