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Cheap flights from London Heathrow Airport to Porto from C$ 116

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OPO
25 Jan — 1 Feb1
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 20 January 2025.

Round-trip from

C$ 221

One-way from

C$ 116

Popular in

December

Cheapest in

January

Average price

C$ 258
Vueling
  • Vueling
  • 6/3-10/3
  • 2 total stops
  • 22h 45m total
  • London to Porto
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Vueling
  • Vueling
  • 18/3
  • 1 total stop
  • 22h 05m total
  • London to Porto
Search Deals
High demand for flights, 2% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in January 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 20 January 2025.

Thu 6/33:15 p.m.LHR - OPO
1 stop17h 05mVueling
Mon 10/38:45 a.m.OPO - LHR
1 stop5h 40mVueling
Deal found 19/1C$ 221
Sat 8/28:40 a.m.LHR - OPO
1 stop6h 45mKLM
Mon 10/211:15 a.m.OPO - LHR
1 stop4h 50mKLM
Deal found 20/1C$ 258
Sun 16/31:40 p.m.LHR - OPO
1 stop5h 15mTAP AIR PORTUGAL
Fri 21/33:55 p.m.OPO - LHR
1 stop5h 40mTAP AIR PORTUGAL
Deal found 20/1C$ 265
Thu 20/35:50 p.m.LHR - OPO
1 stop5h 45mLufthansa
Tue 25/31:45 p.m.OPO - LHR
1 stop5h 50mLufthansa
Deal found 20/1C$ 313
Wed 19/27:10 a.m.LHR - OPO
1 stop4h 55mBrussels Airlines
Mon 24/212:55 p.m.OPO - LHR
1 stop8h 25mBrussels Airlines
Deal found 19/1C$ 330
Wed 4/66:40 p.m.LHR - OPO
1 stop13h 15mSWISS
Wed 11/68:40 a.m.OPO - LHR
1 stop9h 10mSWISS
Deal found 19/1C$ 332
Thu 6/36:00 a.m.LHR - OPO
1 stop5h 15mMultiple Airlines
Sun 9/36:05 a.m.OPO - LHR
1 stop6h 55mMultiple Airlines
Deal found 20/1C$ 352
Tue 18/26:45 p.m.LHR - OPO
1 stop12h 55mBritish Airways
Wed 19/28:40 p.m.OPO - LHR
1 stop20h 35mBritish Airways
Deal found 19/1C$ 359

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 20 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 6/3

3:15 p.m.-8:20 a.m.

1 stop17h 05m

Porto

Mon 10/3

8:45 a.m.-2:25 p.m.

1 stop5h 40m

C$ 221

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 8/2

8:40 a.m.-3:25 p.m.

1 stop6h 45m

Porto

Mon 10/2

11:15 a.m.-4:05 p.m.

1 stop4h 50m

C$ 258

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sun 16/3

1:40 p.m.-6:55 p.m.

1 stop5h 15m

Porto

Fri 21/3

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

1 stop5h 40m

C$ 265

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 20/3

8:45 a.m.-11:35 p.m.

1 stop14h 50m

Porto

Tue 25/3

1:45 p.m.-9:00 p.m.

1 stop7h 15m

C$ 313

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 19/2

7:10 a.m.-12:05 p.m.

1 stop4h 55m

Porto

Mon 24/2

12:55 p.m.-9:20 p.m.

1 stop8h 25m

C$ 330

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Wed 4/6

6:40 p.m.-7:55 a.m.

1 stop13h 15m

Porto

Wed 11/6

8:40 a.m.-5:50 p.m.

1 stop9h 10m

C$ 332

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Thu 6/3

6:00 a.m.-11:15 a.m.

1 stop5h 15m

Porto

Sun 9/3

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

1 stop6h 55m

C$ 352

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Sat 15/2

6:45 p.m.-7:40 a.m.

1 stop12h 55m

Porto

Fri 21/2

8:40 p.m.-8:25 a.m.

1 stop11h 45m

C$ 402

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 18/3

9:55 a.m.-8:00 a.m.

1 stop22h 05m

C$ 116

LondonPorto

LHR - OPO

LHROPO

London Heathrow

Tue 18/2

8:50 p.m.-7:20 a.m.

1 stop10h 30m

C$ 120

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/1

Showing 1-10 of 17 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 17 January 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 20 January 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 20 January 2025.
See what other customers who have flown with TAP AIR PORTUGAL 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
1,341 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

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
1,341 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

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
1,599 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

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
349 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

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
7.2
Good
1,867 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

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
1,182 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Comfort

7.7

Food

7.3

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

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$ 221. Additional round-trip tickets that might be worth considering are offered by KLM and TAP AIR PORTUGAL, with the lowest prices starting at C$ 258 and C$ 265, respectively. Vueling is priced at 37% 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$ 116. KLM flights start at C$ 164 while deals on SWISS start at C$ 177 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
Esposende

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Alternative routes for Heathrow to Porto

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