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$60+ Cheap flights from Porto (OPO) to Heathrow (LHR)

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LHR
nov. 20 — nov. 271
jue. 11/20
jue. 11/27
1 adult, Economy
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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 octubre 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$146
(Vueling Global)

One-way from

$60
(Vueling Global)

Popular in

July

Cheapest in

February

Average price

$300
Provider with most accurate pricing for Porto-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Porto-London Heathrow flights.
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From Porto to London Heathrow
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One-way flight from Porto to London Heathrow
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Highest demand for flights based on searches. 23% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 octubre 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/38:45 amOPO - LHR
1 stop9h 15mVueling
mié. 12/109:55 amLHR - OPO
1 stop11h 20mVueling
Deal found 10/19$201
This KLM deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1611:15 amOPO - LHR
1 stop5h 45mKLM
mié. 12/315:05 pmLHR - OPO
1 stop5h 20mKLM
Deal found 10/19$202
This KLM deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/176:00 amOPO - LHR
1 stop7h 50mKLM
mié. 12/313:45 pmLHR - OPO
1 stop6h 40mKLM
Deal found 10/20$203
This Air France deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1711:25 amOPO - LHR
1 stop6h 55mMultiple Airlines
mié. 12/3110:00 amLHR - OPO
1 stop5h 25mMultiple Airlines
Deal found 10/20$204
This KLM deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/1311:15 amOPO - LHR
1 stop5h 45mKLM
mar. 12/1610:00 amLHR - OPO
1 stop5h 25mKLM
Deal found 10/19$210
This Mytrip deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/188:25 amOPO - LHR
1 stop9h 35mMultiple Airlines
mar. 11/256:50 pmLHR - OPO
1 stop13h 20mMultiple Airlines
Deal found 10/18$214
This Vueling Global deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/138:05 pmOPO - LHR
1 stop18h 40mVueling
dom. 11/163:15 pmLHR - OPO
1 stop16h 40mVueling
Deal found 10/20$216
This Vueling Global deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/68:05 pmOPO - LHR
1 stop18h 40mVueling
dom. 11/93:15 pmLHR - OPO
1 stop16h 40mVueling
Deal found 10/19$217
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/412:25 pmOPO - LHR
1 stop4h 50mMultiple Airlines
jue. 12/119:55 amLHR - OPO
1 stop11h 20mMultiple Airlines
Deal found 10/20$224
This KLM deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/136:00 amOPO - LHR
1 stop6h 05mKLM
lun. 12/156:30 amLHR - OPO
1 stop8h 55mKLM
Deal found 10/19$225
This Travelocity deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/58:40 pmOPO - LHR
1 stop19h 55mMultiple Airlines
lun. 12/86:00 amLHR - OPO
1 stop11h 00mMultiple Airlines
Deal found 10/20$226

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated octubre 21, 2025.
Use the filters below to find and compare flights from Porto to London Heathrow Airport that are best for you.

Fly from

Porto

Fly to

Heathrow

Route

Depart

Return

Price

PortoLondon

OPO - LHR

OPOLHR

Porto

jue. 3/5

8:05 pm-2:45 pm

1 stop18h 40m

London Heathrow

dom. 3/8

3:15 pm-7:55 am

1 stop16h 40m

$146

PortoLondon

OPO - LHR

OPOLHR

Porto

jue. 1/15

8:05 pm-2:45 pm

1 stop18h 40m

London Heathrow

dom. 1/18

3:15 pm-7:55 am

1 stop16h 40m

$158

PortoLondon

OPO - LHR

OPOLHR

Porto

mié. 12/17

6:00 am-1:50 pm

1 stop7h 50m

London Heathrow

mié. 12/31

3:45 pm-10:25 pm

1 stop6h 40m

$202

PortoLondon

OPO - LHR

OPOLHR

Porto

mar. 12/16

11:15 am-5:00 pm

1 stop5h 45m

London Heathrow

mié. 12/31

5:05 pm-10:25 pm

1 stop5h 20m

$202

PortoLondon

OPO - LHR

OPOLHR

Porto

sáb. 12/13

11:15 am-5:00 pm

1 stop5h 45m

London Heathrow

mar. 12/16

10:00 am-3:25 pm

1 stop5h 25m

$210

PortoLondon

OPO - LHR

OPOLHR

Porto

vie. 1/16

12:00 pm-5:30 pm

1 stop5h 30m

London Heathrow

dom. 1/18

12:25 pm-6:05 pm

1 stop5h 40m

$217

PortoLondon

OPO - LHR

OPOLHR

Porto

jue. 11/6

8:05 pm-2:45 pm

1 stop18h 40m

London Heathrow

dom. 11/9

3:15 pm-7:55 am

1 stop16h 40m

$217

PortoLondon

OPO - LHR

OPOLHR

Porto

vie. 12/12

6:30 am-7:15 pm

1 stop12h 45m

London Heathrow

lun. 12/15

6:30 am-3:25 pm

1 stop8h 55m

$225

PortoLondon

OPO - LHR

OPOLHR

Porto

jue. 1/15

8:05 pm-2:45 pm

1 stop18h 40m

$64

PortoLondon

OPO - LHR

OPOLHR

Porto

mar. 11/18

8:05 pm-2:45 pm

1 stop18h 40m

$75

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 19 results
1
2

Compare providers for flights from Porto to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Heathrow in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Porto-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Porto-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Porto-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 Porto to London Heathrow Airport

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

Currently, December is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of $77). Flying from Porto to London Heathrow Airport in July is currently the most expensive (average of $217). 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 octubre 21, 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 in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 50% on airfare.

How much does it cost to fly round-trip from Porto to London Heathrow Airport?

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) is the airport you will fly out of if you book a flight from Porto to London Heathrow. You should not have trouble finding flights to London Heathrow from Porto; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Porto airport to London Heathrow. It is only a 6.8 mi journey to Porto (OPO) from Porto’s city center.

  • How long is the flight from Porto to London Heathrow Airport?

    Departing from Porto to London Heathrow Airport will take you 7h 50m. The distance between Porto and London Heathrow Airport is about 806 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Vueling, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from Iberia and KLM, as they are both options that can get you from Porto to London Heathrow Airport for a low price.

  • 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 vacation 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, December is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of $77). Flying from Porto to London Heathrow Airport in July is currently the most expensive (average of $217). 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

Traveling to a place near London Heathrow Airport?

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Dartford
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