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Cheap flights from London, ON to Porto from C$ 1,378

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — OPO
25 Feb — 4 Mar1
1 adult

Cheap flight deals from London to Porto

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) 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 February 2025.

Round-trip from

C$ 1,378
United Airlines
  • United Airlines
  • 3/7-15/7
  • 4 total stops
  • 67h 07m total
  • London to Porto
Search Deals

Find flight deals from London to Porto

Cheapest flights from London to Porto
Explore the most affordable flight options available from London to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Thu 3/75:45 p.m.YXU - OPO
2 stops32h 10mUnited Airlines
Tue 15/79:00 a.m.OPO - YXU
2 stops34h 57mUnited Airlines
Deal found 19/2C$ 1,378
Mon 30/69:55 a.m.YXU - OPO
2 stops18h 35mAir Canada
Tue 15/712:15 p.m.OPO - YXU
2 stops13h 32mAir Canada
Deal found 19/2C$ 1,379
Mon 30/69:55 a.m.YXU - OPO
2 stops18h 35mLufthansa
Sun 13/712:15 p.m.OPO - YXU
2 stops31h 42mLufthansa
Deal found 19/2C$ 1,697
Sat 28/63:35 p.m.YXU - OPO
2 stops21h 55mMultiple Airlines
Thu 17/76:15 a.m.OPO - YXU
2 stops19h 32mMultiple Airlines
Deal found 19/2C$ 2,040

Find flights from London to Porto within your budget

Customize your flight search to find flights from London 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 February 2025.

Fly from

London

Fly to

Porto

Route

Depart

Return

Price

LondonPorto

YXU - OPO

YXUOPO

London

Thu 3/7

5:45 p.m.-6:55 a.m.

2 stops32h 10m

Porto

Tue 15/7

9:00 a.m.-2:57 p.m.

2 stops34h 57m

C$ 1,378

LondonPorto

YXU - OPO

YXUOPO

London

Mon 30/6

9:55 a.m.-9:30 a.m.

2 stops18h 35m

Porto

Tue 15/7

12:15 p.m.-8:47 p.m.

2 stops13h 32m

C$ 1,379

LondonPorto

YXU - OPO

YXUOPO

London

Mon 30/6

9:55 a.m.-9:30 a.m.

2 stops18h 35m

Porto

Sun 13/7

12:15 p.m.-2:57 p.m.

2 stops31h 42m

C$ 1,697

LondonPorto

YXU - OPO

YXUOPO

London

Sat 28/6

3:35 p.m.-6:30 p.m.

2 stops21h 55m

Porto

Thu 17/7

6:15 a.m.-8:47 p.m.

2 stops19h 32m

C$ 2,040

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Best time to book a flight from London to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from London 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 London to Porto

Get recent, data-driven insights about flights from London to Porto including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London, Ontario to Porto?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to Porto (average of C$ 483). Flying from London, Ontario 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.

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 February 2025.
United Airlines
7.4
Good
8,766 reviews
Check prices

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

United Airlines
7.4
Good
8,766 reviews
United Airlines
7.4
Good
8,766 reviews
Check prices

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Air Canada
7.0
Good
8,748 reviews
United Airlines
7.4
Good
8,766 reviews
Check prices

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Lufthansa
6.7
Okay
6,984 reviews
United Airlines
7.4
Good
8,766 reviews
Check prices

Food

6.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Related info for your journey

Find useful and relevant information for your journey from London to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from London to Porto that include hotel bookings?

    Yes. In addition to deals on London to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Porto.

  • Can I find deals for business class flights from London to Porto?

    Yes. Cheapflights offers flight deals from London 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, Ontario to Porto?

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to Porto (average of C$ 483). Flying from London, Ontario 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

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