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Cheap flights from London Heathrow Airport to Porto from C$ 121

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

C$ 253

One-way from

C$ 121

Popular in

December

Cheapest in

November

Average price

C$ 303
Vueling
  • Vueling
  • 22/3-29/3
  • 2 total stops
  • 34h 50m total
  • London to Porto
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Vueling
  • Vueling
  • 1/4
  • 1 total stop
  • 19h 25m total
  • London to Porto
Search Deals
High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
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 21 February 2025.

Sat 22/33:15 p.m.LHR - OPO
1 stop17h 10mVueling
Sat 29/38:05 p.m.OPO - LHR
1 stop17h 40mVueling
Deal found 20/2C$ 253
Wed 2/49:55 a.m.LHR - OPO
1 stop5h 40mKLM
Sat 5/46:40 a.m.OPO - LHR
1 stop11h 10mKLM
Deal found 21/2C$ 286
Wed 23/49:55 a.m.LHR - OPO
1 stop11h 25mIberia
Tue 6/510:00 p.m.OPO - LHR
1 stop11h 05mIberia
Deal found 20/2C$ 311
Wed 26/36:35 a.m.LHR - OPO
1 stop6h 15mLufthansa
Tue 1/411:05 a.m.OPO - LHR
1 stop6h 00mLufthansa
Deal found 20/2C$ 315
Thu 20/36:00 a.m.LHR - OPO
1 stop7h 05mTAP AIR PORTUGAL
Sun 23/35:00 a.m.OPO - LHR
1 stop6h 25mTAP AIR PORTUGAL
Deal found 20/2C$ 332
Fri 27/611:05 a.m.LHR - OPO
1 stop4h 55mBrussels Airlines
Thu 3/712:55 p.m.OPO - LHR
1 stop8h 40mBrussels Airlines
Deal found 20/2C$ 334
Thu 27/38:05 p.m.LHR - OPO
1 stop20h 35mSWISS
Mon 31/37:20 p.m.OPO - LHR
1 stop12h 35mSWISS
Deal found 20/2C$ 335
Thu 10/49:30 a.m.LHR - OPO
1 stop6h 15mMultiple Airlines
Sun 13/44:50 p.m.OPO - LHR
1 stop4h 45mMultiple Airlines
Deal found 20/2C$ 477

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 629,999 searches. Data last updated 21 February 2025.

Fly from

Heathrow

Fly to

Porto

Route

Depart

Return

Price

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 22/3

3:15 p.m.-8:25 a.m.

1 stop17h 10m

Porto

Sat 29/3

8:05 p.m.-1:45 p.m.

1 stop17h 40m

C$ 253

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 2/4

9:55 a.m.-3:35 p.m.

1 stop5h 40m

Porto

Sat 5/4

6:40 a.m.-5:50 p.m.

1 stop11h 10m

C$ 286

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 23/4

9:55 a.m.-9:20 p.m.

1 stop11h 25m

Porto

Tue 6/5

10:00 p.m.-9:05 a.m.

1 stop11h 05m

C$ 311

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 26/3

6:35 a.m.-12:50 p.m.

1 stop6h 15m

Porto

Tue 1/4

11:05 a.m.-5:05 p.m.

1 stop6h 00m

C$ 315

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 20/3

6:00 a.m.-1:05 p.m.

1 stop7h 05m

Porto

Sun 23/3

5:00 a.m.-11:25 a.m.

1 stop6h 25m

C$ 332

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Fri 27/6

11:05 a.m.-4:00 p.m.

1 stop4h 55m

Porto

Sat 28/6

12:55 p.m.-9:35 p.m.

1 stop8h 40m

C$ 334

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 27/3

8:05 p.m.-4:40 p.m.

1 stop20h 35m

Porto

Mon 31/3

7:20 p.m.-7:55 a.m.

1 stop12h 35m

C$ 335

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 10/4

9:30 a.m.-3:45 p.m.

1 stop6h 15m

Porto

Sun 13/4

4:50 p.m.-9:35 p.m.

1 stop4h 45m

C$ 477

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 12/4

6:00 a.m.-5:55 p.m.

1 stop11h 55m

Porto

Mon 14/4

10:25 a.m.-8:45 a.m.

1 stop22h 20m

C$ 676

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 10/4

8:05 a.m.-6:00 p.m.

1 stop9h 55m

Porto

Thu 17/4

8:45 a.m.-6:05 p.m.

1 stop9h 20m

C$ 716

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 20 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.

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 14 February 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 C$ 483). Flying from London Heathrow Airport to Porto in July is currently the most expensive (average of C$ 796). 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 21 February 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Porto as you normally would.

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 18.0 - 195.0 mm per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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 21 February 2025.
See what other customers who have flown with KLM, Austrian Airlines and SWISS from London to Porto have to say. 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
1,333 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

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
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

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.

Austrian Airlines
7.5
Good
771 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

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
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

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
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

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
Check prices

Food

7.3

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.8

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?

    Located just 10.9 km from the city centre, Porto is the airport most travellers will use when flying to Porto from London Heathrow. Booking flights from London Heathrow to Porto (OPO) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 0 different airlines.

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

    Flying on Vueling is currently your cheapest option to Porto, with prices starting at C$ 253. Additional round-trip tickets that might be worth considering are offered by KLM and Iberia, with the lowest prices starting at C$ 286 and C$ 311, respectively. Vueling is priced at 30% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Vueling, which is currently one of the cheapest options available, starting at C$ 121. KLM flights start at C$ 163 while deals on TAP AIR PORTUGAL start at C$ 183 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 C$ 483). Flying from London Heathrow Airport to Porto in July is currently the most expensive (average of C$ 796). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Aveiro
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Alternative routes for Heathrow to Porto

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