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$51+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LHR
May 29 — Jun 51
Fri 5/29
Fri 6/5
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 29, 2026.

This Mytrip deal was found by Cheapflights users on 4/29. 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.
Fri 6/51:25 pm
OPO
-
LHR
1 stop6h 40m
Multiple Airlines
Sat 6/68:50 pm
LHR
-
OPO
1 stop10h 30m
Multiple Airlines
Deal found 4/29$188
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Thu 6/118:40 pm
OPO
-
LHR
1 stop18h 05m
Vueling
Tue 6/168:50 pm
LHR
-
OPO
1 stop11h 10m
Vueling
Deal found 4/26$195
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Fri 5/810:30 pm
OPO
-
LHR
1 stop10h 40m
Multiple Airlines
Sat 5/98:50 pm
LHR
-
OPO
1 stop10h 30m
Multiple Airlines
Deal found 4/28$199
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:15 am
OPO
-
LHR
1 stop9h 50m
Vueling
Sun 11/229:55 am
LHR
-
OPO
1 stop11h 20m
Vueling
Deal found 4/27$204
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Tue 5/2610:00 pm
OPO
-
LHR
1 stop11h 10m
Multiple Airlines
Wed 5/278:00 pm
LHR
-
OPO
1 stop10h 50m
Multiple Airlines
Deal found 4/28$205
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Tue 6/97:10 am
OPO
-
LHR
1 stop14h 10m
Multiple Airlines
Tue 6/163:30 pm
LHR
-
OPO
1 stop24h 40m
Multiple Airlines
Deal found 4/25$210
This Iberia deal was found by Cheapflights users on 4/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:25 pm
OPO
-
LHR
1 stop4h 50m
Iberia
Sat 11/2110:45 am
LHR
-
OPO
1 stop9h 15m
Iberia
Deal found 4/27$224
This Gotogate deal was found by Cheapflights users on 4/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:00 pm
OPO
-
LHR
1 stop11h 10m
Multiple Airlines
Tue 6/28:00 pm
LHR
-
OPO
1 stop11h 40m
Multiple Airlines
Deal found 4/28$226
This FlightHub deal was found by Cheapflights users on 4/25. 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 4/25$227

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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$195
(Kiwi.com)

One-way from

$51
(Vueling Global)

Popular in

July

Cheapest in

February

Average price

$281
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 ($56 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 29, 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

Wed 6/24

12:55 pm-9:35 pm

1 stop8h 40m

London Heathrow

Sun 6/28

6:50 am-4:00 pm

1 stop9h 10m

$289
Quickest round-trip

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 7/21

5:00 am-10:45 am

1 stop5h 45m

London Heathrow

Tue 7/28

5:10 pm-10:15 pm

1 stop5h 05m

$426

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 5/26

8:35 am-7:10 pm

2 stops10h 35m

London Heathrow

Tue 6/2

3:50 pm-8:00 am

2 stops16h 10m

$557

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 6/11

10:00 pm-2:55 pm

2 stops16h 55m

London Heathrow

Tue 6/16

10:50 am-9:20 pm

2 stops10h 30m

$605

PortoLondon

OPO - LHR

OPOLHR

Porto

Wed 6/10

8:35 am-7:10 pm

2 stops10h 35m

London Heathrow

Wed 6/17

10:50 am-9:20 pm

2 stops10h 30m

$650

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 6/11

8:35 am-7:10 pm

2 stops10h 35m

London Heathrow

Mon 6/15

11:30 am-9:20 pm

2 stops9h 50m

$664

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 5/26

8:35 am-7:10 pm

2 stops10h 35m

London Heathrow

Wed 5/27

11:30 am-9:20 pm

2 stops9h 50m

$699

PortoLondon

OPO - LHR

OPOLHR

Porto

Tue 5/19

4:40 pm-9:10 am

2 stops16h 30m

London Heathrow

Wed 5/20

8:50 pm-11:45 am

2 stops14h 55m

$1,255

PortoLondon

OPO - LHR

OPOLHR

Porto

Thu 6/25

5:00 am-12:40 pm

2 stops31h 40m

London Heathrow

Sun 6/28

10:10 pm-10:15 pm

2 stops24h 05m

$1,356

PortoLondon

OPO - LHR

OPOLHR

Porto

Mon 10/5

11:35 am-12:40 pm

2 stops25h 05m

London Heathrow

Thu 10/8

10:10 pm-7:20 pm

2 stops21h 10m

$1,390

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

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 Accuracy2 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 29, 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
7.2
Good
2,225 reviews

Comfort

7.1

Overall

7.2

Food

6.2

Entertainment

6.3

Boarding

7.0

Crew

7.8

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
7.2
Good
2,225 reviews
TAP AIR PORTUGAL
7.2
Good
2,225 reviews

Comfort

7.1

Overall

7.2

Food

6.2

Entertainment

6.3

Boarding

7.0

Crew

7.8

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 8h 40m. 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.
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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 2,558,603 searches. Data last updated April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$106Average$333FlexibilityNo cancel feeOn-timeN/A

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