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Porto

$91+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from Heathrow to Porto with Cheapflights

1. Tell us where you want to go

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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

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 December 12, 2025.

This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/10. 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.
Sun 12/286:00 amLHR - OPO
1 stop8h 00mTAP AIR PORTUGAL
Sun 12/288:00 pmOPO - LHR
1 stop16h 40mTAP AIR PORTUGAL
Deal found 12/10$280
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/10. 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.
Sun 12/286:00 amLHR - OPO
1 stop12h 05mTAP AIR PORTUGAL
Tue 1/68:00 pmOPO - LHR
1 stop26h 40mTAP AIR PORTUGAL
Deal found 12/10$300
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/10. 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.
Thu 12/116:00 amLHR - OPO
1 stop25h 45mTAP AIR PORTUGAL
Sun 12/148:00 pmOPO - LHR
1 stop16h 40mTAP AIR PORTUGAL
Deal found 12/10$302
This Trip.com deal was found by Cheapflights users on 12/10. 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 12/267:55 pmLHR - OPO
1 stop12h 00mTAP AIR PORTUGAL
Tue 12/308:00 pmOPO - LHR
1 stop16h 40mTAP AIR PORTUGAL
Deal found 12/10$316
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/10. 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.
Thu 12/256:30 pmLHR - OPO
1 stop16h 30mTAP AIR PORTUGAL
Sun 12/288:00 pmOPO - LHR
1 stop16h 40mTAP AIR PORTUGAL
Deal found 12/10$317
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/10. 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.
Sat 12/276:30 pmLHR - OPO
1 stop6h 00mTAP AIR PORTUGAL
Wed 1/712:00 pmOPO - LHR
1 stop9h 35mTAP AIR PORTUGAL
Deal found 12/10$334
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/10. 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.
Sun 12/286:00 amLHR - OPO
1 stop12h 05mTAP AIR PORTUGAL
Tue 12/302:00 pmOPO - LHR
1 stop22h 40mTAP AIR PORTUGAL
Deal found 12/10$341
This FlightHub deal was found by Cheapflights users on 12/11. 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 12/178:15 amLHR - OPO
1 stop23h 45mTAP AIR PORTUGAL
Wed 12/248:55 amOPO - LHR
1 stop8h 35mTAP AIR PORTUGAL
Deal found 12/11$346
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Thu 12/188:15 amLHR - OPO
1 stop23h 30mTAP AIR PORTUGAL
Wed 12/2412:00 pmOPO - LHR
1 stop5h 30mTAP AIR PORTUGAL
Deal found 12/10$348

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$181
(Trip.com)

One-way from

$91
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$401
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, 4% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 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

Sun 1/18

12:25 pm-6:05 pm

1 stop5h 40m

Porto

Wed 1/21

12:00 pm-5:30 pm

1 stop5h 30m

$182

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 1/19

8:15 am-3:20 pm

1 stop7h 05m

Porto

Thu 1/22

7:00 am-12:40 pm

1 stop5h 40m

$185

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 1/11

8:15 am-2:00 pm

1 stop5h 45m

Porto

Thu 1/15

12:05 pm-5:30 pm

1 stop5h 25m

$188

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 1/23

12:25 pm-6:00 pm

1 stop5h 35m

Porto

Sun 1/25

6:55 am-12:40 pm

1 stop5h 45m

$203

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 3/10

6:00 am-1:05 pm

1 stop7h 05m

Porto

Mon 3/23

10:55 am-5:30 pm

1 stop6h 35m

$222

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 3/9

6:00 am-1:00 pm

1 stop7h 00m

Porto

Fri 3/20

12:00 pm-6:55 pm

1 stop6h 55m

$222

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 1/18

12:25 pm-6:55 pm

1 stop6h 30m

Porto

Thu 1/22

4:00 pm-10:40 pm

1 stop6h 40m

$222

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 3/7

6:30 pm-12:30 am

1 stop6h 00m

Porto

Sat 3/21

12:00 pm-5:30 pm

1 stop5h 30m

$222

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 2/6

6:30 am-1:20 pm

1 stop6h 50m

Porto

Sun 2/22

5:00 am-12:05 pm

1 stop7h 05m

$233

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 3/6

6:30 pm-7:55 am

1 stop13h 25m

Porto

Wed 3/25

12:00 pm-5:30 pm

1 stop5h 30m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 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 December 5, 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 $103). 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 December 12, 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 December 12, 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
2,089 reviews

Comfort

7.1

Boarding

7.0

Food

6.2

Crew

7.8

Entertainment

6.3

Overall

7.1

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
2,089 reviews
TAP AIR PORTUGAL
7.1
Good
2,089 reviews

Comfort

7.1

Boarding

7.0

Food

6.2

Crew

7.8

Entertainment

6.3

Overall

7.1

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 5h 40m. Fly via TAP AIR PORTUGAL to get the fastest option. The distance from London Heathrow Airport to Porto is about 806 mi.

  • 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 $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
Vila Nova de Gaia

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.
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Gatwick to Porto flights
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Gatwick 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$168Average$236FlexibilityNo cancel feeOn-timeN/A

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