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Cheap flights from Porto to London Heathrow Airport from £52

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LHR
25 Feb — 4 Mar1
1 adult

The best prices from Porto to London Heathrow are usually found in November or February, booked 4 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Porto to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Heathrow (LHR). 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 20 February 2025.

Round-trip from

£125

One-way from

£52

Popular in

August

Cheapest in

November

Average price

£137
Vueling
  • Vueling
  • 1/4-7/4
  • 2 total stops
  • 30h 35m total
  • Porto to London
Vueling
  • Vueling
  • 7/4
  • 1 total stop
  • 11h 10m total
  • Porto to London
Highest demand for flights based on searches. 15% potential increase in price (£25 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from Porto to Heathrow

Cheapest flights from Porto to Heathrow
Explore the most affordable flight options available from Porto to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Tue 1/422:00OPO - LHR
1 stop11h 10mVueling
Mon 7/420:50LHR - OPO
1 stop19h 25mVueling
Deal found 19/2£125
Mon 10/318:35OPO - LHR
1 stop14h 35mMultiple Airlines
Tue 18/320:50LHR - OPO
1 stop10h 30mMultiple Airlines
Deal found 19/2£129
Wed 2/411:00OPO - LHR
1 stop6h 45mTAP AIR PORTUGAL
Tue 22/411:20LHR - OPO
1 stop7h 40mTAP AIR PORTUGAL
Deal found 19/2£140
Thu 6/311:15OPO - LHR
1 stop4h 50mKLM
Wed 12/310:00LHR - OPO
1 stop5h 25mKLM
Deal found 19/2£148
Fri 21/312:40OPO - LHR
1 stop5h 10mSWISS
Sat 29/318:40LHR - OPO
1 stop12h 15mSWISS
Deal found 19/2£173
Tue 25/311:45OPO - LHR
1 stop9h 40mAir France
Sat 29/319:35LHR - OPO
1 stop11h 50mAir France
Deal found 19/2£175
Sat 8/313:45OPO - LHR
1 stop7h 15mLufthansa
Mon 10/308:30LHR - OPO
1 stop6h 40mLufthansa
Deal found 20/2£179
Sat 11/1016:50OPO - LHR
1 stop4h 45mBrussels Airlines
Mon 13/1011:05LHR - OPO
1 stop4h 55mBrussels Airlines
Deal found 20/2£183
Mon 10/308:35OPO - LHR
1 stop8h 25mIberia
Mon 10/320:50LHR - OPO
1 stop11h 10mIberia
Deal found 20/2£221

Find flights from Porto to Heathrow within your budget

Customise your flight search to find flights from Porto to Heathrow 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 20 February 2025.

Fly from

Porto

Fly to

Heathrow

Route

Depart

Return

Price

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 1/4

22:00-09:10

1 stop11h 10m

London Heathrow

Mon 7/4

20:50-16:15

1 stop19h 25m

£125

PortoLondon

OPO - LHR

OPOLHR

Porto

Mon 10/3

18:35-09:10

1 stop14h 35m

London Heathrow

Tue 18/3

20:50-07:20

1 stop10h 30m

£129

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 2/4

11:00-17:45

1 stop6h 45m

London Heathrow

Tue 22/4

11:20-19:00

1 stop7h 40m

£140

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 6/3

11:15-16:05

1 stop4h 50m

London Heathrow

Wed 12/3

10:00-15:25

1 stop5h 25m

£148

PortoLondon

OPO - LHR

OPOLHR

Porto

Fri 21/3

17:30-13:00

1 stop19h 30m

London Heathrow

Thu 27/3

18:40-16:40

1 stop22h 00m

£173

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 25/3

11:45-21:25

1 stop9h 40m

London Heathrow

Sat 29/3

19:35-07:25

1 stop11h 50m

£175

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 8/3

13:45-21:00

1 stop7h 15m

London Heathrow

Mon 10/3

08:30-15:10

1 stop6h 40m

£179

PortoLondon

OPO - LHR

OPOLHR

Porto

Fri 21/3

12:55-20:50

1 stop7h 55m

London Heathrow

Fri 28/3

17:50-15:00

1 stop21h 10m

£193

PortoLondon

OPO - LHR

OPOLHR

Porto

Mon 10/3

08:35-17:00

1 stop8h 25m

London Heathrow

Mon 10/3

20:50-08:00

1 stop11h 10m

£221

PortoLondon

OPO - LHR

OPOLHR

Porto

Mon 7/4

22:00-09:10

1 stop11h 10m

£52

Flights are sorted by cheapest return flights first.

Deals found on 18/2

Showing 1-10 of 20 results
1
2

Best time to book a flight from Porto to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Porto 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.

Travel insights for flights from Porto to Heathrow

Get recent, data-driven insights about flights from Porto to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Porto to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Porto to Heathrow. Price data was last updated on 14 February 2025.

Booking 4 days in advance of your planned departure date is, on average, the best time to get cheap flights from Porto to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Porto to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of £112). Flying from Porto to London Heathrow Airport 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.

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

Find hourly flight availability from Porto to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 February 2025.

One of the essential ways to save on airfare from Porto to London Heathrow Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 38% on airfare.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 20 February 2025.
Peruse reviews from past customers who have flown with Aegean Airlines, KLM and LOT from Porto to London to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Food

7.3

Entertainment

6.9

Overall

8.1

Comfort

7.8

Boarding

7.8

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Food

7.3

Entertainment

6.9

Overall

8.1

Comfort

7.8

Boarding

7.8

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Food

7.3

Entertainment

6.9

Overall

8.1

Comfort

7.8

Boarding

7.8

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Food

7.3

Entertainment

6.9

Overall

8.1

Comfort

7.8

Boarding

7.8

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Food

7.3

Entertainment

6.9

Overall

8.1

Comfort

7.8

Boarding

7.8

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Crew

8.6

Food

7.3

Entertainment

6.9

Overall

8.1

Comfort

7.8

Boarding

7.8

Reviews

1 / 20

10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

Find useful and relevant information for your journey from Porto to Heathrow. 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 from for flights from Porto to London Heathrow?

    Porto (OPO), located 6.8 mi from the city center, is the airport you fly out of when you book flights from Porto to London Heathrow. 1 airline have flights from Porto to London Heathrow on a regular basis. Booking flights from Porto to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

  • What are the cheapest airlines flying from Porto to London Heathrow Airport round-trip?

    Vueling, at £125, was found to be the cheapest airline from Porto to London Heathrow Airport.Alternate airlines flying return to your destination include TAP AIR PORTUGAL and KLM. Vueling is priced at 30% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as £52 on Vueling. Other airlines that offer cheap prices include Iberia from £66 and TAP AIR PORTUGAL from £68 one-way.

  • Can I find deals for flights from Porto to Heathrow that include hotel bookings?

    Yes. In addition to deals on Porto to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Porto to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Heathrow.

  • Can I find deals for business class flights from Porto to Heathrow?

    Yes. Cheapflights offers flight deals from Porto to Heathrow 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 Porto to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of £112). Flying from Porto to London Heathrow Airport 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
Deal
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Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Porto to Heathrow

Discover the top airline that operate flights from Porto to Heathrow. 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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£123Average£214FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

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How does Cheapflights help users find flights from Porto to Heathrow?

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Can Cheapflights find flights from Porto to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Porto to Heathrow with no change fees.

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Not ready to book yet? You can track prices for flights from Porto to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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