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Cheap flights from London Heathrow Airport to Porto from £70

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
17 Apr — 24 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Porto are usually found in November or January, booked 43 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 12 April 2025.

Round-trip from

£135

One-way from

£70

Popular in

August

Cheapest in

November

Average price

£194
Vueling
  • Vueling
  • 13/5-27/5
  • 2 total stops
  • 22h 20m total
  • London to Porto
Vueling
  • Vueling
  • 15/9
  • 1 total stop
  • 11h 10m total
  • London to Porto
Highest demand for flights based on searches. 17% potential increase in price (£31 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 April 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 12 April 2025.

Tue 13/520:50LHR - OPO
1 stop11h 10mVueling
Tue 27/522:00OPO - LHR
1 stop11h 10mVueling
Deal found 11/4£135
Thu 8/515:30LHR - OPO
1 stop4h 55mMultiple Airlines
Thu 15/520:40OPO - LHR
1 stop18h 05mMultiple Airlines
Deal found 11/4£137
Sun 14/906:00LHR - OPO
1 stop11h 00mTAP AIR PORTUGAL
Fri 19/916:00OPO - LHR
1 stop6h 05mTAP AIR PORTUGAL
Deal found 11/4£158
Thu 10/706:15LHR - OPO
1 stop13h 40mIberia
Thu 17/716:55OPO - LHR
1 stop5h 30mIberia
Deal found 10/4£169
Sat 31/508:40LHR - OPO
1 stop13h 35mKLM
Tue 3/618:50OPO - LHR
1 stop12h 50mKLM
Deal found 11/4£171
Thu 24/417:50LHR - OPO
1 stop16h 30mLufthansa
Tue 29/411:05OPO - LHR
1 stop11h 35mLufthansa
Deal found 11/4£184
Wed 4/611:05LHR - OPO
1 stop5h 20mBrussels Airlines
Sat 7/612:55OPO - LHR
1 stop8h 00mBrussels Airlines
Deal found 11/4£187
Mon 2/608:40LHR - OPO
1 stop9h 35mSWISS
Fri 6/619:20OPO - LHR
1 stop26h 25mSWISS
Deal found 11/4£188

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 12 April 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

Tue 13/5

20:50-08:00

1 stop11h 10m

Porto

Thu 15/5

20:40-14:45

1 stop18h 05m

£100

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 6/5

20:50-08:00

1 stop11h 10m

Porto

Fri 9/5

22:00-09:05

1 stop11h 05m

£127

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 8/9

06:00-19:00

1 stop13h 00m

Porto

Wed 24/9

09:00-22:00

1 stop13h 00m

£148

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 8/5

19:45-08:25

1 stop12h 40m

Porto

Tue 13/5

09:20-16:35

1 stop7h 15m

£150

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 6/5

14:45-22:15

1 stop7h 30m

Porto

Mon 12/5

17:30-07:40

1 stop14h 10m

£167

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 12/5

20:50-08:00

1 stop11h 10m

Porto

Fri 16/5

22:00-09:05

1 stop11h 05m

£168

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 28/6

11:05-16:00

1 stop4h 55m

Porto

Thu 3/7

12:55-20:55

1 stop8h 00m

£185

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 10/5

06:00-18:30

1 stop12h 30m

Porto

Wed 14/5

14:35-21:30

1 stop6h 55m

£196

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 29/4

07:30-15:45

1 stop8h 15m

Porto

Thu 8/5

06:15-17:05

1 stop10h 50m

£198

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 15/9

20:50-08:00

1 stop11h 10m

£70

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 18 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 4 April 2025.

The best time to book flights from London Heathrow Airport to Porto is 43 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 12 April 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 17% 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.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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 12 April 2025.
Get a feel of what it's like to fly with KLM, SWISS and Air France from London 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.

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Overall

7.8

Comfort

7.7

Crew

8.4

Food

7.3

Entertainment

7.1

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 £135. Other airlines that can offer you cheap pricing are TAP AIR PORTUGAL, from £158, and Iberia, from £169. Users have found that Vueling is 32% 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 £70. However, be on the lookout for offers from TAP AIR PORTUGAL and Iberia, 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
Aveiro

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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 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£66Average£154FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£71Average£181FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£97Average£265FlexibilityNo cancel feeOn-time70%
Search British Airways flights
VuelingCheapest£109Average£212FlexibilityNo cancel feeOn-time88%
Search Vueling flights
TAP AIR PORTUGALCheapest£117Average£197FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£135Average£156FlexibilityNo cancel feeOn-time75%
Search KLM flights
SWISSCheapest£136Average£171FlexibilityNo cancel feeOn-time79%
Search SWISS flights
IberiaCheapest£142Average£261FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LufthansaCheapest£143Average£176FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£180Average£297FlexibilityNo 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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