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$78+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from London Heathrow to Porto are usually found in November or January, booked 83 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$138
(Mytrip)

One-way from

$78
(OneTravel)

Popular in

December

Cheapest in

November

Average price

$213
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. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/19. 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.
Tue 4/18:50 pmLHR - OPO
1 stop19h 25mVueling
Tue 4/810:00 pmOPO - LHR
1 stop11h 10mVueling
Deal found 2/19$138
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Tue 4/18:50 pmLHR - OPO
2 stops25h 05mMultiple Airlines
Tue 4/810:00 pmOPO - LHR
1 stop11h 10mMultiple Airlines
Deal found 2/19$156
This KLM deal was found by Cheapflights users on 2/19. 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.
Wed 4/28:40 amLHR - OPO
1 stop6h 55mKLM
Wed 4/911:25 amOPO - LHR
1 stop4h 50mKLM
Deal found 2/19$202
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Wed 3/198:15 amLHR - OPO
1 stop6h 45mTAP AIR PORTUGAL
Wed 3/262:00 pmOPO - LHR
1 stop7h 35mTAP AIR PORTUGAL
Deal found 2/19$205
This Lufthansa deal was found by Cheapflights users on 2/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/155:50 pmLHR - OPO
1 stop5h 45mLufthansa
Tue 3/181:45 pmOPO - LHR
1 stop5h 50mLufthansa
Deal found 2/19$222
This Brussels Airlines deal was found by Cheapflights users on 2/20. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2711:05 amLHR - OPO
1 stop4h 55mBrussels Airlines
Thu 7/312:55 pmOPO - LHR
1 stop8h 40mBrussels Airlines
Deal found 2/20$235
This SWISS deal was found by Cheapflights users on 2/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/275:10 pmLHR - OPO
1 stop23h 30mSWISS
Sat 3/298:40 amOPO - LHR
1 stop7h 40mSWISS
Deal found 2/20$236
This Iberia deal was found by Cheapflights users on 2/19. 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.
Sat 4/58:50 pmLHR - OPO
1 stop11h 10mIberia
Wed 4/98:35 amOPO - LHR
1 stop11h 30mIberia
Deal found 2/19$255

Find flights from Heathrow to Porto within your budget

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 February 20, 2025.

Fly from

Heathrow

Fly to

Porto

Route

Depart

Return

Price

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 4/1

8:50 pm-4:15 pm

1 stop19h 25m

Porto

Tue 4/8

10:00 pm-9:10 am

1 stop11h 10m

$138

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 4/1

8:50 pm-9:55 pm

2 stops25h 05m

Porto

Tue 4/8

10:00 pm-9:10 am

1 stop11h 10m

$156

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 4/2

8:40 am-3:35 pm

1 stop6h 55m

Porto

Wed 4/9

11:25 am-4:15 pm

1 stop4h 50m

$202

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 3/19

8:15 am-3:00 pm

1 stop6h 45m

Porto

Wed 3/26

2:00 pm-9:35 pm

1 stop7h 35m

$205

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 3/15

5:50 pm-11:35 pm

1 stop5h 45m

Porto

Tue 3/18

1:45 pm-7:35 pm

1 stop5h 50m

$222

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 6/27

11:05 am-4:00 pm

1 stop4h 55m

Porto

Thu 7/3

12:55 pm-9:35 pm

1 stop8h 40m

$235

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 3/27

8:05 pm-4:40 pm

1 stop20h 35m

Porto

Mon 3/31

7:20 pm-7:55 am

1 stop12h 35m

$236

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 4/5

8:50 pm-8:00 am

1 stop11h 10m

Porto

Wed 4/9

8:35 am-8:05 pm

1 stop11h 30m

$255

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 3/18

8:50 pm-8:00 am

1 stop11h 10m

$78

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 3/17

3:15 pm-11:20 am

1 stop20h 05m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 19 results
1
2
  • 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.

Travel insights for flights from Heathrow to Porto

Get recent, data-driven insights about flights from Heathrow to Porto including ideal travel times, pricing trends, and more.

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 February 14, 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 83 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of $523). Flying from London Heathrow Airport to Porto in June is currently the most expensive (average of $1,092). 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 February 20, 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 27% on airfare.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 February 20, 2025.
To help decide which airline to fly from London to Porto, see what other customers have to say about KLM, SWISS and Brussels Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,568 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Brussels Airlines
7.4
Good
341 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Vueling
7.1
Good
1,162 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

TAP AIR PORTUGAL
7.1
Good
1,847 reviews
KLM
7.8
Good
1,333 reviews

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 2 different airlines.

  • What are the cheapest airlines flying from London Heathrow Airport to Porto round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Porto round-trip from $138. Other airlines that can offer you cheap pricing are KLM, from $202, and TAP AIR PORTUGAL, from $205. These flights start at 45% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London Heathrow Airport to Porto one-way?

    One-way options have recently been found by users for as low as $78 on Vueling. Other airlines that offer cheap prices include Iberia from $113 and TAP AIR PORTUGAL from $121 one-way.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of $523). Flying from London Heathrow Airport to Porto in June is currently the most expensive (average of $1,092). 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
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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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
Heathrow to Faro flights
Gatwick to Faro flights
Gatwick to Porto flights
Gatwick to Lisbon flights

Top 2 airlines flying from Heathrow to Porto

Discover the top 2 airlines 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest$62Average$300FlexibilityNo cancel feeOn-time86%
TAP AIR PORTUGALCheapest$156Average$228FlexibilityNo cancel feeOn-timeN/A
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