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Cheap flights from London Heathrow Airport to Porto from £57

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Porto

Enter your travel dates to find the best prices.

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 9 April 2026.

Tue 21/420:50
LHR
-
OPO
1 stop10h 00m
Multiple Airlines
Tue 28/413:00
OPO
-
LHR
1 stop7h 05m
Multiple Airlines
Deal found 5/4£116
Fri 24/420:50
LHR
-
OPO
1 stop10h 00m
Multiple Airlines
Mon 27/422:40
OPO
-
LHR
1 stop10h 30m
Multiple Airlines
Deal found 4/4£118
Tue 28/420:50
LHR
-
OPO
1 stop11h 10m
Vueling
Tue 5/522:00
OPO
-
LHR
1 stop11h 10m
Vueling
Deal found 5/4£129
Sat 9/520:50
LHR
-
OPO
1 stop11h 10m
Vueling
Tue 12/522:00
OPO
-
LHR
1 stop11h 10m
Vueling
Deal found 5/4£131
Sat 25/420:50
LHR
-
OPO
1 stop10h 30m
Multiple Airlines
Tue 28/413:00
OPO
-
LHR
1 stop7h 05m
Multiple Airlines
Deal found 6/4£132
Tue 21/420:50
LHR
-
OPO
1 stop11h 10m
Vueling
Thu 23/422:00
OPO
-
LHR
1 stop11h 10m
Vueling
Deal found 8/4£133
Mon 27/420:50
LHR
-
OPO
1 stop10h 20m
Multiple Airlines
Fri 1/522:00
OPO
-
LHR
1 stop11h 10m
Multiple Airlines
Deal found 5/4£134
Thu 7/516:35
LHR
-
OPO
1 stop6h 35m
TAP AIR PORTUGAL
Tue 19/516:00
OPO
-
LHR
1 stop6h 55m
TAP AIR PORTUGAL
Deal found 6/4£135
Tue 5/520:50
LHR
-
OPO
1 stop11h 10m
Vueling
Tue 19/522:00
OPO
-
LHR
1 stop11h 10m
Vueling
Deal found 7/4£136
Wed 22/409:55
LHR
-
OPO
1 stop6h 15m
Multiple Airlines
Tue 28/413:00
OPO
-
LHR
1 stop7h 05m
Multiple Airlines
Deal found 4/4£136
Tue 28/420:50
LHR
-
OPO
1 stop10h 00m
Multiple Airlines
Fri 1/522:00
OPO
-
LHR
1 stop11h 10m
Multiple Airlines
Deal found 4/4£139

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 9 April 2026.

Round-trip from

£116

One-way from

£57

Popular in

May

Cheapest in

January

Average price

£226
21/4-28/4
  • 21/4-28/4
  • 2 total stops
  • 17h 05m total
  • London to Porto
Search Deals
Vueling
  • Vueling
  • 22/4
  • 1 total stop
  • 6h 15m total
  • London to Porto
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 9 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 6/6

18:45-00:40

1 stop5h 55m

Porto

Mon 8/6

16:00-22:00

1 stop6h 00m

£184

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 24/8

18:45-00:40

1 stop5h 55m

Porto

Fri 4/9

05:05-11:00

1 stop5h 55m

£184
Fastest return journey

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 7/5

18:45-00:40

1 stop5h 55m

Porto

Mon 11/5

05:05-10:20

1 stop5h 15m

£185

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 5/5

18:45-00:40

1 stop5h 55m

Porto

Mon 11/5

05:05-10:20

1 stop5h 15m

£190

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 28/6

18:45-00:40

1 stop5h 55m

Porto

Thu 2/7

10:00-15:35

1 stop5h 35m

£191

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 18/5

18:45-07:50

1 stop13h 05m

Porto

Wed 20/5

05:05-10:20

1 stop5h 15m

£203

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 11/6

18:45-00:40

1 stop5h 55m

Porto

Sun 14/6

22:30-10:20

1 stop11h 50m

£210

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 9/7

16:35-23:10

1 stop6h 35m

Porto

Fri 17/7

11:40-17:45

1 stop6h 05m

£217

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 19/5

06:00-19:00

1 stop13h 00m

Porto

Sun 2/8

11:00-22:55

1 stop11h 55m

£235

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 18/6

11:45-18:20

1 stop6h 35m

Porto

Tue 23/6

05:00-10:45

1 stop5h 45m

£250

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 return 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 return flight from Heathrow to Porto. Price data was last updated on 3 April 2026.

The best time to book flights from London Heathrow Airport to Porto is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of £63). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of £168). 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.

How much does it cost for a return flight 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 9 April 2026.
Get a feel of what it's like to fly with KLM,Brussels Airlines, andTAP AIR PORTUGAL from London Heathrow Airport to Porto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,492 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Brussels Airlines
7.2
Good
399 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
TAP AIR PORTUGAL
7.1
Good
2,195 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Iberia
7.0
Good
3,175 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,867 reviews
KLM
7.7
Good
1,492 reviews
Check prices

Comfort

7.6

Food

7.3

Boarding

7.8

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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?

    Most people fly into Porto (OPO) if they book a flight to Porto from London Heathrow. On average, Porto has 0 inbound flights from London Heathrow per day from 9 airlines. Porto is conveniently located just 6.8 mi from Porto’s city center.

  • 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 55m. Fly via TAP AIR PORTUGAL to get the fastest option. Airlines will cover a distance of 806 mi.

  • 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 £47. Other airlines that can offer you cheap pricing are Ryanair, from £63, and Vueling, from £83. Users have found that easyJet is 78% cheaper than the other options available to this destination.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from London Heathrow Airport to Porto (average of £63). Flying from London Heathrow Airport to Porto in August is currently the most expensive (average of £168). 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

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Santa Maria da Feira
Viseu
Guimarães
Coimbra
Chaves
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Heathrow to Porto

Discover the top 9 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 858,174 searches. Data last updated 9 April 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£47Average£174FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£63Average£103FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
VuelingCheapest£83Average£161FlexibilityNo cancel feeOn-time88%
Search Vueling flights
IberiaCheapest£109Average£248FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£113Average£356FlexibilityNo cancel feeOn-time70%
Search British Airways flights
TAP AIR PORTUGALCheapest£137Average£190FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£142Average£245FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£144Average£350FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£183Average£307FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Porto?

Cheapflights makes it easy to find Heathrow to Porto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Porto?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Porto.

Can Cheapflights find flights from Heathrow to Porto with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Porto, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Porto become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Porto flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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