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Heathrow

$68+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LHR
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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Cheap 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 April 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Wed 6/37:20 pm
OPO
-
LHR
2 stops13h 50m
Multiple Airlines
Sun 6/73:30 pm
LHR
-
OPO
1 stop4h 40m
Multiple Airlines
Deal found 4/14$217
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Wed 6/103:25 pm
OPO
-
LHR
1 stop22h 50m
Multiple Airlines
Sat 6/138:50 pm
LHR
-
OPO
1 stop11h 10m
Multiple Airlines
Deal found 4/14$220
This Justfly.com deal was found by Cheapflights users on 4/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:00 pm
OPO
-
LHR
1 stop11h 10m
Vueling
Mon 5/48:50 pm
LHR
-
OPO
1 stop11h 10m
Vueling
Deal found 4/14$221
This Trip.com deal was found by Cheapflights users on 4/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1210:00 pm
OPO
-
LHR
1 stop11h 10m
Multiple Airlines
Tue 5/196:45 pm
LHR
-
OPO
1 stop5h 55m
Multiple Airlines
Deal found 4/13$223
This FlightHub deal was found by Cheapflights users on 4/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:00 pm
OPO
-
LHR
1 stop11h 10m
Vueling
Wed 5/278:50 pm
LHR
-
OPO
1 stop11h 10m
Vueling
Deal found 4/13$224
This FlightHub deal was found by Cheapflights users on 4/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/289:55 pm
OPO
-
LHR
1 stop11h 15m
Vueling
Tue 12/18:50 pm
LHR
-
OPO
1 stop11h 20m
Vueling
Deal found 4/15$231
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:00 pm
OPO
-
LHR
1 stop6h 05m
TAP AIR PORTUGAL
Sun 5/108:00 am
LHR
-
OPO
1 stop7h 00m
TAP AIR PORTUGAL
Deal found 4/14$232
This Super.com deal was found by Cheapflights users on 4/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:30 pm
OPO
-
LHR
1 stop7h 25m
TAP AIR PORTUGAL
Tue 5/191:45 pm
LHR
-
OPO
1 stop6h 40m
TAP AIR PORTUGAL
Deal found 4/15$233
This Super.com deal was found by Cheapflights users on 4/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:00 am
OPO
-
LHR
1 stop12h 55m
TAP AIR PORTUGAL
Thu 7/24:35 pm
LHR
-
OPO
1 stop6h 35m
TAP AIR PORTUGAL
Deal found 4/12$234
This Air France deal was found by Cheapflights users on 4/12. 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.
Wed 5/275:55 am
OPO
-
LHR
1 stop7h 50m
Air France
Wed 6/33:20 pm
LHR
-
OPO
1 stop6h 45m
Air France
Deal found 4/12$237
This KLM deal was found by Cheapflights users on 4/16. 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.
Thu 5/215:00 am
OPO
-
LHR
1 stop5h 45m
KLM
Thu 5/289:55 am
LHR
-
OPO
1 stop5h 35m
KLM
Deal found 4/16$239

Find 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 April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Kiwi.com)

One-way from

$68
(Booking.com)

Popular in

July

Cheapest in

February

Average price

$301
Provider with most accurate pricing for Porto-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto-London Heathrow flights.
Search Deals
From Porto to London Heathrow
Search Deals
One-way flight from Porto to London Heathrow
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 17, 2026.
Use the filters below to find and compare flights from Porto to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 5/26

5:00 am-1:50 pm

1 stop8h 50m

London Heathrow

Sun 5/31

2:45 pm-10:00 pm

1 stop7h 15m

$272

PortoLondon

OPO - LHR

OPOLHR

Porto

Mon 5/25

9:15 pm-10:20 am

1 stop13h 05m

London Heathrow

Tue 5/26

6:45 pm-10:00 am

1 stop15h 15m

$304
Quickest round-trip

PortoLondon

OPO - LHR

OPOLHR

Porto

Sun 5/3

5:05 am-10:20 am

1 stop5h 15m

London Heathrow

Mon 6/1

6:45 pm-12:40 am

1 stop5h 55m

$329

PortoLondon

OPO - LHR

OPOLHR

Porto

Sun 7/19

10:30 pm-10:20 am

1 stop11h 50m

London Heathrow

Sat 7/25

7:50 pm-7:50 am

1 stop12h 00m

$479

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 6/24

8:35 am-7:10 pm

2 stops10h 35m

London Heathrow

Thu 6/25

11:30 am-9:20 pm

2 stops9h 50m

$565

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 6/10

8:35 am-7:10 pm

2 stops10h 35m

London Heathrow

Sat 6/13

3:50 pm-8:00 am

2 stops16h 10m

$580

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 5/27

8:35 am-7:10 pm

2 stops10h 35m

London Heathrow

Wed 6/3

11:30 am-9:20 pm

2 stops9h 50m

$601

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 5/28

8:35 am-7:10 pm

2 stops10h 35m

London Heathrow

Mon 6/1

3:50 pm-8:00 am

2 stops16h 10m

$638

PortoLondon

OPO - LHR

OPOLHR

Porto

Sat 5/23

8:35 am-7:10 pm

2 stops10h 35m

London Heathrow

Mon 5/25

3:50 pm-8:00 am

2 stops16h 10m

$712

PortoLondon

OPO - LHR

OPOLHR

Porto

Fri 5/8

8:35 am-7:10 pm

2 stops10h 35m

London Heathrow

Sun 5/10

9:15 am-9:20 pm

2 stops12h 05m

$848

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 19 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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, February is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of $130). Flying from Porto to London Heathrow Airport in July is currently the most expensive (average of $474). 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 to fly round-trip from Porto to London Heathrow Airport?

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 April 17, 2026.
See what other customers who have flown with TAP AIR PORTUGAL from Porto to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
2,207 reviews

Boarding

7.0

Crew

7.8

Overall

7.1

Comfort

7.1

Food

6.2

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification
TAP AIR PORTUGAL
7.1
Good
2,207 reviews
TAP AIR PORTUGAL
7.1
Good
2,207 reviews

Boarding

7.0

Crew

7.8

Overall

7.1

Comfort

7.1

Food

6.2

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

LIS - EWR

Both flights returning to newirk airport was delayed by over a hour with minimum early notification

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 1 airline has 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 13h 05m. The distance between Porto and London Heathrow Airport is about 806 mi.

  • What is the cheapest airline to fly from Porto to London Heathrow Airport round-trip?

    Currently priced at $106, TAP AIR PORTUGAL will fly you from Porto to London Heathrow Airport and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. TAP AIR PORTUGAL is priced at 62% lower than the current average price of a flight leaving 3 months from now.

  • 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, February is the cheapest month in which you can book a flight from Porto to London Heathrow Airport (average of $130). Flying from Porto to London Heathrow Airport in July is currently the most expensive (average of $474). 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?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Porto to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to Heathrow flights
Porto to Gatwick flights
Lisbon to Gatwick flights
Faro to Heathrow flights
Faro to Gatwick flights

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 2,558,603 searches. Data last updated April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$106Average$333FlexibilityNo cancel feeOn-timeN/A

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