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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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$154
(CheapOair)

One-way from

$80
(OneTravel)

Popular in

August

Cheapest in

January

Average price

$298
From London Heathrow to Porto
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One-way flight from London Heathrow to Porto
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Highest demand for flights based on searches. 15% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 11, 2025.

This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/158:50 pmLHR - OPO
1 stop11h 20mVueling
mar. 11/189:55 pmOPO - LHR
1 stop11h 15mVueling
Deal found 9/10$154
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/261:40 pmLHR - OPO
1 stop5h 15mTAP AIR PORTUGAL
dom. 11/302:50 pmOPO - LHR
1 stop6h 45mTAP AIR PORTUGAL
Deal found 9/10$160
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/78:50 pmLHR - OPO
1 stop11h 10mVueling
mar. 10/1410:00 pmOPO - LHR
1 stop11h 10mVueling
Deal found 9/10$164
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:50 pmLHR - OPO
1 stop13h 20mVueling
mar. 11/189:55 pmOPO - LHR
1 stop11h 15mVueling
Deal found 9/11$165
This FlightHub deal was found by Cheapflights users on 9/10. 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.
vie. 11/218:15 amLHR - OPO
1 stop6h 45mTAP AIR PORTUGAL
dom. 11/239:55 amOPO - LHR
1 stop5h 35mTAP AIR PORTUGAL
Deal found 9/10$166
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/9. 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.
vie. 11/141:40 pmLHR - OPO
1 stop5h 20mTAP AIR PORTUGAL
dom. 11/164:00 pmOPO - LHR
1 stop5h 35mTAP AIR PORTUGAL
Deal found 9/9$184
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/11. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/21:40 pmLHR - OPO
1 stop5h 15mTAP AIR PORTUGAL
mié. 11/510:55 amOPO - LHR
1 stop6h 35mTAP AIR PORTUGAL
Deal found 9/11$185
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/116:45 pmLHR - OPO
1 stop5h 55mTAP AIR PORTUGAL
sáb. 10/183:45 pmOPO - LHR
1 stop6h 15mTAP AIR PORTUGAL
Deal found 9/11$188
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/106:45 pmLHR - OPO
1 stop13h 15mTAP AIR PORTUGAL
jue. 10/164:00 pmOPO - LHR
1 stop6h 00mTAP AIR PORTUGAL
Deal found 9/11$190
This oojo deal was found by Cheapflights users on 9/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/151:45 pmLHR - OPO
1 stop5h 15mTAP AIR PORTUGAL
sáb. 10/183:45 pmOPO - LHR
1 stop6h 15mTAP AIR PORTUGAL
Deal found 9/9$199
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/18:50 pmLHR - OPO
1 stop11h 20mVueling
lun. 11/39:55 pmOPO - LHR
1 stop11h 15mVueling
Deal found 9/10$211
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/10. 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.
jue. 11/61:40 pmLHR - OPO
1 stop5h 20mTAP AIR PORTUGAL
dom. 11/99:55 amOPO - LHR
1 stop5h 35mTAP AIR PORTUGAL
Deal found 9/10$212

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 septiembre 11, 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

mar. 10/7

8:50 pm-8:00 am

1 stop11h 10m

Porto

mar. 10/14

10:00 pm-9:10 am

1 stop11h 10m

$164

LondonPorto

LHR - OPO

LHROPO

London Heathrow

vie. 11/14

1:40 pm-7:00 pm

1 stop5h 20m

Porto

dom. 11/16

4:00 pm-9:35 pm

1 stop5h 35m

$184

LondonPorto

LHR - OPO

LHROPO

London Heathrow

dom. 11/2

1:40 pm-6:55 pm

1 stop5h 15m

Porto

mié. 11/5

10:55 am-5:30 pm

1 stop6h 35m

$185

LondonPorto

LHR - OPO

LHROPO

London Heathrow

jue. 1/22

3:15 pm-8:20 am

1 stop17h 05m

Porto

vie. 1/23

7:05 pm-2:25 pm

1 stop19h 20m

$200

LondonPorto

LHR - OPO

LHROPO

London Heathrow

dom. 12/7

6:15 am-11:45 am

1 stop5h 30m

Porto

sáb. 12/13

12:25 pm-5:15 pm

1 stop4h 50m

$233

LondonPorto

LHR - OPO

LHROPO

London Heathrow

lun. 1/19

6:45 pm-7:40 am

1 stop12h 55m

Porto

vie. 2/13

8:40 pm-9:15 am

1 stop12h 35m

$233

LondonPorto

LHR - OPO

LHROPO

London Heathrow

lun. 2/9

7:40 pm-7:40 am

1 stop12h 00m

Porto

mié. 2/11

8:20 am-6:15 pm

1 stop9h 55m

$233

LondonPorto

LHR - OPO

LHROPO

London Heathrow

jue. 1/22

4:35 pm-7:40 am

1 stop15h 05m

Porto

lun. 2/9

8:40 pm-9:15 am

1 stop12h 35m

$233

LondonPorto

LHR - OPO

LHROPO

London Heathrow

lun. 11/3

6:00 am-1:00 pm

1 stop7h 00m

Porto

mié. 11/5

4:05 pm-9:35 pm

1 stop5h 30m

$241

LondonPorto

LHR - OPO

LHROPO

London Heathrow

lun. 12/1

8:25 am-7:40 am

1 stop23h 15m

Porto

dom. 12/7

12:25 pm-7:25 pm

1 stop7h 00m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 24 results
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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 August 29, 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, 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 $1,027). 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 septiembre 11, 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.

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 septiembre 11, 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
1,977 reviews

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Crew

7.8

Overall

7.1

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
TAP AIR PORTUGAL
7.1
Good
1,977 reviews

Entertainment

6.3

Boarding

7.0

Comfort

7.1

Crew

7.8

Overall

7.1

Food

6.2

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays

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 20m. Fly via Vueling, TAP AIR PORTUGAL, or British Airways 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 39% 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, 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 $1,027). 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 Lisbon flights
Heathrow to Faro flights
Gatwick to Porto flights
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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$168Average$227FlexibilityNo cancel feeOn-timeN/A

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