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$80+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from London Heathrow to Porto are usually found in January or November, booked 32 days in advance, depart on a Sunday or Tuesday and return on a Monday

Cheap 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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$168
(Kiwi.com)

One-way from

$80
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$243
Provider with most accurate pricing for London Heathrow-Porto flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Porto flights.
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From London Heathrow to Porto
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One-way flight from London Heathrow to Porto
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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($11 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 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 octubre 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
jue. 12/113:30 pmLHR - OPO
1 stop4h 45mMultiple Airlines
jue. 12/188:55 pmOPO - LHR
1 stop17h 50mMultiple Airlines
Deal found 10/27$168
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/16:00 amLHR - OPO
1 stop6h 10mTAP AIR PORTUGAL
sáb. 11/812:00 pmOPO - LHR
1 stop5h 30mTAP AIR PORTUGAL
Deal found 10/27$200
This KLM deal was found by Cheapflights users on 10/27. 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.
sáb. 11/292:05 pmLHR - OPO
1 stop8h 15mKLM
mar. 12/29:55 amOPO - LHR
1 stop7h 05mKLM
Deal found 10/27$201
This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/2510:00 amLHR - OPO
1 stop5h 25mMultiple Airlines
mar. 12/211:25 amOPO - LHR
1 stop5h 10mMultiple Airlines
Deal found 10/28$204
This SmartFares deal was found by Cheapflights users on 10/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/178:15 amLHR - OPO
1 stop7h 05mTAP AIR PORTUGAL
mar. 11/184:00 pmOPO - LHR
1 stop5h 35mTAP AIR PORTUGAL
Deal found 10/27$215
This KLM deal was found by Cheapflights users on 10/26. 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.
vie. 12/56:30 amLHR - OPO
1 stop6h 50mMultiple Airlines
lun. 12/811:25 amOPO - LHR
1 stop5h 10mMultiple Airlines
Deal found 10/26$219
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/118:15 amLHR - OPO
1 stop6h 45mTAP AIR PORTUGAL
jue. 11/134:00 pmOPO - LHR
1 stop5h 35mTAP AIR PORTUGAL
Deal found 10/27$221
This KLM deal was found by Cheapflights users on 10/26. 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.
vie. 12/510:00 amLHR - OPO
1 stop5h 25mKLM
dom. 12/711:15 amOPO - LHR
1 stop4h 50mKLM
Deal found 10/26$222
This Booking.com deal was found by Cheapflights users on 10/27. 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.
mar. 11/118:15 amLHR - OPO
1 stop6h 45mTAP AIR PORTUGAL
mié. 11/1212:00 pmOPO - LHR
1 stop5h 30mTAP AIR PORTUGAL
Deal found 10/27$225
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/27. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:00 amLHR - OPO
1 stop7h 05mTAP AIR PORTUGAL
jue. 12/410:20 amOPO - LHR
1 stop5h 10mTAP AIR PORTUGAL
Deal found 10/27$235
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/28. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/16:00 amLHR - OPO
1 stop6h 10mTAP AIR PORTUGAL
mié. 11/54:05 pmOPO - LHR
1 stop5h 30mTAP AIR PORTUGAL
Deal found 10/28$237

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 octubre 28, 2025.
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

jue. 1/8

9:55 am-9:15 pm

1 stop11h 20m

Porto

mar. 1/13

9:55 pm-9:10 am

1 stop11h 15m

$174

LondonPorto

LHR - OPO

LHROPO

London Heathrow

vie. 1/16

6:30 am-1:20 pm

1 stop6h 50m

Porto

dom. 1/18

5:00 am-10:45 am

1 stop5h 45m

$198

LondonPorto

LHR - OPO

LHROPO

London Heathrow

vie. 1/23

10:00 am-3:25 pm

1 stop5h 25m

Porto

dom. 1/25

5:00 am-10:45 am

1 stop5h 45m

$199

LondonPorto

LHR - OPO

LHROPO

London Heathrow

mar. 1/6

3:45 pm-10:25 pm

1 stop6h 40m

Porto

lun. 1/12

6:30 am-1:50 pm

1 stop7h 20m

$199

LondonPorto

LHR - OPO

LHROPO

London Heathrow

jue. 11/13

7:55 pm-9:55 am

1 stop14h 00m

Porto

dom. 11/16

6:55 am-12:40 pm

1 stop5h 45m

$200

LondonPorto

LHR - OPO

LHROPO

London Heathrow

sáb. 11/29

2:05 pm-10:20 pm

1 stop8h 15m

Porto

mar. 12/2

9:55 am-5:00 pm

1 stop7h 05m

$201

LondonPorto

LHR - OPO

LHROPO

London Heathrow

mar. 11/11

8:15 am-5:00 pm

1 stop8h 45m

Porto

jue. 11/13

9:00 am-5:30 pm

1 stop8h 30m

$215

LondonPorto

LHR - OPO

LHROPO

London Heathrow

lun. 11/17

8:15 am-3:20 pm

1 stop7h 05m

Porto

mar. 11/18

4:00 pm-9:35 pm

1 stop5h 35m

$215

LondonPorto

LHR - OPO

LHROPO

London Heathrow

vie. 12/5

6:30 am-1:20 pm

1 stop6h 50m

Porto

lun. 12/8

11:25 am-4:35 pm

1 stop5h 10m

$219

LondonPorto

LHR - OPO

LHROPO

London Heathrow

mar. 11/18

6:00 am-1:05 pm

1 stop7h 05m

Porto

vie. 11/21

12:00 pm-5:30 pm

1 stop5h 30m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 23 results
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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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London Heathrow Airport-Porto flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

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 32 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 $91). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of $220). 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 LHR to OPO?

Find hourly flight availability from Heathrow to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 28, 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Porto is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 26% on airfare.

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

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 octubre 28, 2025.
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
2,035 reviews

Crew

7.8

Boarding

7.0

Overall

7.1

Food

6.2

Comfort

7.1

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue
TAP AIR PORTUGAL
7.1
Good
2,035 reviews
TAP AIR PORTUGAL
7.1
Good
2,035 reviews

Crew

7.8

Boarding

7.0

Overall

7.1

Food

6.2

Comfort

7.1

Entertainment

6.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

MAD - LIS

Like the onboard attendants I don’t like that they change gate at the last minute And neither the way to get to the airplane by bus, I understand is not airline issue

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 50m. Fly via Vueling, 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 $91). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of $220). 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
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 Faro flights
Gatwick to Porto flights
Gatwick to Lisbon flights
Heathrow to Lisbon 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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$168Average$231FlexibilityNo cancel feeOn-timeN/A

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