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Cheap flights from London, ON to Barcelona from C$ 761

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — BCN
4 Apr — 11 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Barcelona

Enter your travel dates to find the best prices.

Cheapest flights from London to Barcelona
Explore the most affordable flight options available from London to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 March 2026.

Thu 26/119:45 a.m.
YXU
-
BCN
2 stops17h 50m
Lufthansa
Thu 3/127:30 a.m.
BCN
-
YXU
2 stops20h 16m
Lufthansa
Deal found 2/3C$ 1,117
Fri 27/119:45 a.m.
YXU
-
BCN
2 stops17h 50m
Lufthansa
Sat 5/121:35 p.m.
BCN
-
YXU
2 stops31h 31m
Lufthansa
Deal found 2/3C$ 1,129
Sat 28/119:45 a.m.
YXU
-
BCN
2 stops17h 50m
Lufthansa
Sun 6/127:30 a.m.
BCN
-
YXU
2 stops20h 16m
Lufthansa
Deal found 2/3C$ 1,153
Sat 28/119:45 a.m.
YXU
-
BCN
2 stops21h 25m
United Airlines
Sun 6/129:10 a.m.
BCN
-
YXU
3 stops18h 36m
United Airlines
Deal found 2/3C$ 1,220
Thu 26/113:25 p.m.
YXU
-
BCN
2 stops15h 45m
United Airlines
Thu 3/126:50 a.m.
BCN
-
YXU
3 stops20h 56m
United Airlines
Deal found 2/3C$ 1,231
Fri 27/119:45 a.m.
YXU
-
BCN
2 stops16h 35m
United Airlines
Sat 5/126:50 a.m.
BCN
-
YXU
3 stops20h 56m
United Airlines
Deal found 2/3C$ 1,357
Thu 21/512:20 p.m.
YXU
-
BCN
2 stops17h 35m
Air Canada
Mon 25/512:15 p.m.
BCN
-
YXU
2 stops29h 28m
Air Canada
Deal found 4/3C$ 1,394
Thu 21/55:55 p.m.
YXU
-
BCN
1 stop36h 35m
WestJet
Mon 25/511:25 a.m.
BCN
-
YXU
2 stops32h 25m
WestJet
Deal found 28/2C$ 1,424

Find flight deals from London to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Barcelona (S37). 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 5 March 2026.

Round-trip from

C$ 1,394

One-way from

C$ 761
Air Canada
  • Air Canada
  • 21/5-25/5
  • 4 total stops
  • 47h 03m total
  • London to Barcelona
Search Deals
6/4
  • 6/4
  • 3 total stops
  • 44h 35m total
  • London to Barcelona
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Barcelona 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 5 March 2026.
Use the filters below to find and compare flights from London to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonBarcelona

YXU - BCN

YXUBCN

London

Thu 21/5

12:20 p.m.-11:55 a.m.

2 stops17h 35m

Barcelona-El Prat

Mon 25/5

12:15 p.m.-11:43 a.m.

2 stops29h 28m

C$ 1,394

LondonBarcelona

YXU - BCN

YXUBCN

London

Thu 21/5

5:55 p.m.-12:30 p.m.

1 stop36h 35m

Barcelona-El Prat

Mon 25/5

11:25 a.m.-1:50 p.m.

2 stops32h 25m

C$ 1,424

LondonBarcelona

YXU - BCN

YXUBCN

London

Mon 6/4

8:10 p.m.-10:45 p.m.

3 stops44h 35m

C$ 761

LondonBarcelona

YXU - BCN

YXUBCN

London

Thu 21/5

9:30 a.m.-9:20 a.m.

1 stop17h 50m

C$ 1,234

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/2

Sorted by cheapest first

Best time to book a flight from London to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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.

Cheapflights Insights

Everything you need to know about your flight from London to Barcelona

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

Currently, August is the cheapest month in which you can book a flight from London, Ontario to Barcelona (average of C$ 563). Flying from London, Ontario to Barcelona in December is currently the most expensive (average of C$ 802). 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.

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated 5 March 2026.
See what other customers who have flown with Air Canada from London to Barcelona have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,776 reviews
Check prices

Entertainment

6.8

Overall

7.1

Food

6.3

Comfort

7.1

Boarding

7.3

Crew

7.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,776 reviews
Air Canada
7.1
Good
10,776 reviews
Check prices

Entertainment

6.8

Overall

7.1

Food

6.3

Comfort

7.1

Boarding

7.3

Crew

7.8

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

Related info for your journey

Find useful and relevant information for your journey from London to Barcelona. 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 from for flights from London to Barcelona?

    Most people fly from London (YXU) if they book a flight from London to Barcelona. On average, London has 0 outbound flights to Barcelona per day from 1 airline. London is conveniently located just 8.6 km from London’s city centre.

  • How long is the flight from London, Ontario to Barcelona?

    Air Canada and WestJet can get you from London, Ontario to Barcelona in just under 17h 35m. Your travel time can differ by up to 19h. The distance from London, Ontario to Barcelona is about 6556 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from London, Ontario to Barcelona round-trip?

    According to our current data, Air Canada (C$ 887), offers the cheapest pricing from London, Ontario to Barcelona.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Barcelona 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 Barcelona?

    Currently, August is the cheapest month in which you can book a flight from London, Ontario to Barcelona (average of C$ 563). Flying from London, Ontario to Barcelona in December is currently the most expensive (average of C$ 802). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from London to Barcelona

Discover the top airline that operate flights from London to Barcelona. 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 629,999 searches. Data last updated 5 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 887AverageC$ 1,120FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Barcelona?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Barcelona from London today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from London to Barcelona?

Cheapflights helps you find that perfect flight to Barcelona from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Barcelona with no change fees?

Need flexible booking options for your flight to Barcelona from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Barcelona become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Barcelona from London today and book when prices fit your budget.

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