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Porto

$92+ Cheap flights from Heathrow (LHR) to Porto (OPO)

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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:45 am
LHR
-
OPO
1 stop20h 55m
Iberia
Wed 3/114:40 pm
OPO
-
LHR
1 stop5h 30m
Iberia
Deal found 1/25$189
This Orbitz deal was found by Cheapflights users on 1/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:55 pm
LHR
-
OPO
1 stop15h 05m
Multiple Airlines
Tue 2/2412:25 pm
OPO
-
LHR
1 stop4h 50m
Multiple Airlines
Deal found 1/27$201
This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:25 pm
LHR
-
OPO
1 stop14h 05m
KLM
Wed 2/254:10 pm
OPO
-
LHR
1 stop4h 40m
KLM
Deal found 1/27$203
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:50 pm
LHR
-
OPO
1 stop10h 45m
Multiple Airlines
Wed 2/251:55 pm
OPO
-
LHR
1 stop6h 10m
Multiple Airlines
Deal found 1/27$204
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/238:50 pm
LHR
-
OPO
1 stop10h 45m
Multiple Airlines
Mon 3/29:40 am
OPO
-
LHR
1 stop10h 25m
Multiple Airlines
Deal found 1/26$206
This KLM deal was found by Cheapflights users on 1/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:25 pm
LHR
-
OPO
1 stop14h 05m
Multiple Airlines
Mon 3/1611:25 am
OPO
-
LHR
1 stop6h 55m
Multiple Airlines
Deal found 1/25$209
This KLM deal was found by Cheapflights users on 1/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/138:25 pm
LHR
-
OPO
1 stop14h 05m
KLM
Fri 3/204:10 pm
OPO
-
LHR
1 stop4h 40m
KLM
Deal found 1/26$214
This CheapOair deal was found by Cheapflights users on 1/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:50 pm
LHR
-
OPO
1 stop11h 20m
Vueling
Thu 3/199:55 pm
OPO
-
LHR
1 stop11h 15m
Vueling
Deal found 1/25$215
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:45 am
LHR
-
OPO
1 stop8h 35m
Multiple Airlines
Tue 2/2412:25 pm
OPO
-
LHR
1 stop5h 50m
Multiple Airlines
Deal found 1/27$216
This KLM deal was found by Cheapflights users on 1/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:25 pm
LHR
-
OPO
1 stop14h 05m
KLM
Tue 2/249:55 am
OPO
-
LHR
1 stop7h 05m
KLM
Deal found 1/27$217
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:00 am
LHR
-
OPO
1 stop9h 00m
TAP AIR PORTUGAL
Sun 2/15:00 am
OPO
-
LHR
1 stop10h 30m
TAP AIR PORTUGAL
Deal found 1/26$218
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/612:25 pm
LHR
-
OPO
1 stop5h 35m
TAP AIR PORTUGAL
Sun 2/86:55 am
OPO
-
LHR
1 stop5h 45m
TAP AIR PORTUGAL
Deal found 1/27$219

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(Expedia)

One-way from

$92
(Orbitz)

Popular in

December

Cheapest in

January

Average price

$200
Provider with most accurate pricing for London Heathrow-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Porto flights.
Search Deals
From London Heathrow to Porto
Search Deals
One-way flight from London Heathrow to Porto
Search Deals
High demand for flights, 8% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 27, 2026.
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

Fri 2/20

8:25 pm-10:30 am

1 stop14h 05m

Porto

Wed 2/25

4:10 pm-8:50 pm

1 stop4h 40m

$203

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 3/13

8:25 pm-10:30 am

1 stop14h 05m

Porto

Fri 3/20

4:10 pm-8:50 pm

1 stop4h 40m

$214

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 2/21

5:50 pm-10:30 am

1 stop16h 40m

Porto

Mon 2/23

4:10 pm-8:50 pm

1 stop4h 40m

$232

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 2/28

6:00 am-12:10 pm

1 stop6h 10m

Porto

Tue 3/3

11:00 am-5:30 pm

1 stop6h 30m

$242

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 2/22

1:40 pm-6:55 pm

1 stop5h 15m

Porto

Thu 3/5

11:15 am-5:30 pm

1 stop6h 15m

$242

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 2/8

12:25 pm-6:55 pm

1 stop6h 30m

Porto

Thu 2/12

10:20 am-3:30 pm

1 stop5h 10m

$242

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 5/13

6:45 pm-12:40 am

1 stop5h 55m

Porto

Thu 5/21

12:30 pm-5:45 pm

1 stop5h 15m

$250

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 5/6

6:45 pm-12:40 am

1 stop5h 55m

Porto

Wed 5/13

5:05 am-10:20 am

1 stop5h 15m

$251

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 6/13

11:20 am-4:40 pm

1 stop5h 20m

Porto

Sat 6/20

5:05 am-10:20 am

1 stop5h 15m

$260

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 2/23

6:00 am-1:00 pm

1 stop7h 00m

Porto

Mon 2/23

4:10 pm-10:40 pm

1 stop6h 30m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 22 results
1
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Compare providers for flights from Heathrow to Porto

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 Heathrow to Porto in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice 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 London Heathrow Airport-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Porto 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 London Heathrow Airport-Porto 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 Heathrow to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Heathrow 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 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 round-trip flight from Heathrow to Porto. Price data was last updated on January 23, 2026.

The price you pay for your flight from London Heathrow Airport to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of $103). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of $222). 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.

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 January 27, 2026.
Peruse reviews from past customers who have flown with TAP AIR PORTUGAL from London Heathrow Airport to Porto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
2,130 reviews

Crew

7.8

Comfort

7.1

Food

6.2

Overall

7.1

Boarding

7.0

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.
TAP AIR PORTUGAL
7.1
Good
2,130 reviews
TAP AIR PORTUGAL
7.1
Good
2,130 reviews

Crew

7.8

Comfort

7.1

Food

6.2

Overall

7.1

Boarding

7.0

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Michael,Dec 2025

FNC - LIS

Long wait standing after checking in at the gate Limited juice selection.

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?

    If you book a flight to Porto from London Heathrow, you will be flying to Porto, which is the city’s only airport. Porto (OPO) is located 6.8 mi from the center of Porto. There are 0 flights from London Heathrow to Porto per day from 1 airline.

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

    There are many flights that can get you from London Heathrow Airport to Porto in 6h 10m. Fly via KLM or TAP AIR PORTUGAL to get the fastest option. The distance from London Heathrow Airport to Porto is about 806 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from London Heathrow Airport to Porto round-trip from $168. This flight start at 40% lower than the current average price 3 months from now.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of $103). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of $222). 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 Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Aveiro
Arcos de Valdevez
Coimbra

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Porto

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

Top airline flying from Heathrow to Porto

Discover the top airline 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 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$168Average$292FlexibilityNo cancel feeOn-timeN/A

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