HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$88+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Heathrow to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 29, 2025.

Round-trip from

$167
(CheapOair)

One-way from

$88
(CheapOair)

Popular in

August

Cheapest in

January

Average price

$320
From London Heathrow to Porto
Search Deals
One-way flight from London Heathrow to Porto
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 29, 2025.

This CheapOair deal was found by Cheapflights users on 7/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:50 pmLHR - OPO
1 stop13h 20mVueling
Tue 11/189:55 pmOPO - LHR
1 stop11h 15mVueling
Deal found 7/27$167
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Wed 9/106:00 amLHR - OPO
1 stop8h 05mTAP AIR PORTUGAL
Wed 9/1711:00 amOPO - LHR
1 stop7h 50mTAP AIR PORTUGAL
Deal found 7/27$211
This Lufthansa deal was found by Cheapflights users on 7/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/224:40 pmLHR - OPO
1 stop7h 05mLufthansa
Sun 11/239:55 amOPO - LHR
2 stops10h 55mLufthansa
Deal found 7/28$253
This Brussels Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 8/2711:05 amLHR - OPO
1 stop4h 55mBrussels Airlines
Sat 9/610:10 amOPO - LHR
1 stop10h 45mBrussels Airlines
Deal found 7/29$255
This SWISS deal was found by Cheapflights users on 7/29. 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.
Fri 8/158:05 pmLHR - OPO
1 stop28h 05mSWISS
Thu 9/42:35 pmOPO - LHR
1 stop17h 40mSWISS
Deal found 7/29$277
This Expedia deal was found by Cheapflights users on 7/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/59:55 amLHR - OPO
1 stop11h 25mMultiple Airlines
Fri 8/810:35 pmOPO - LHR
1 stop11h 45mMultiple Airlines
Deal found 7/27$292

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 July 29, 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

Wed 11/12

6:50 pm-8:10 am

1 stop13h 20m

Porto

Tue 11/18

9:55 pm-9:10 am

1 stop11h 15m

$167

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 9/10

6:00 am-2:05 pm

1 stop8h 05m

Porto

Wed 9/17

11:00 am-6:50 pm

1 stop7h 50m

$211

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 11/22

4:40 pm-11:45 pm

1 stop7h 05m

Porto

Sun 11/23

9:55 am-8:50 pm

2 stops10h 55m

$253

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 8/27

11:05 am-4:00 pm

1 stop4h 55m

Porto

Sat 9/6

10:10 am-8:55 pm

1 stop10h 45m

$255

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 8/15

8:05 pm-12:10 am

1 stop28h 05m

Porto

Thu 9/4

2:35 pm-8:15 am

1 stop17h 40m

$277

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 8/13

1:45 pm-8:25 pm

1 stop6h 40m

Porto

Mon 9/1

10:00 pm-9:10 am

1 stop11h 10m

$318

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 8/23

8:50 pm-8:00 am

1 stop11h 10m

Porto

Wed 8/27

10:00 pm-9:10 am

1 stop11h 10m

$322

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Mon 10/13

8:50 pm-8:00 am

1 stop11h 10m

$88

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 8/6

1:30 pm-9:50 am

1 stop20h 20m

$109

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 9/24

3:05 pm-9:50 pm

1 stop6h 45m

$112

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 15 results
1
2

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 July 25, 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 $1,033). 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 July 29, 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.

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 July 29, 2025.
Peruse reviews from past customers who have flown with KLM, SWISS, and Brussels Airlines 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.
KLM
7.8
Good
1,383 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,683 reviews
KLM
7.8
Good
1,383 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Brussels Airlines
7.3
Good
350 reviews
KLM
7.8
Good
1,383 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Vueling
7.1
Good
1,175 reviews
KLM
7.8
Good
1,383 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
TAP AIR PORTUGAL
7.1
Good
1,929 reviews
KLM
7.8
Good
1,383 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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 $167. Other airlines that can offer you cheap pricing are TAP AIR PORTUGAL, from $211, and Lufthansa, from $253. These flights start at 39% 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 $88 on Vueling. Other airlines that offer cheap prices include Air Serbia from $109 and Iberia from $116 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 $1,033). 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
Coimbra
Matosinhos

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Lisbon flights
Gatwick to Faro flights
Gatwick to Porto 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$171Average$227FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.