Find flights
When to book
Airlines
FAQs

Cheap flights from London, ON to Barcelona from C$ 1,050

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — BCN
3 Jul — 10 Jul1
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 3 June 2026.

Thu 11/66:10 p.m.
YXU
-
BCN
2 stops14h 45m
Multiple Airlines
Thu 18/61:15 p.m.
BCN
-
YXU
1 stop14h 22m
Multiple Airlines
Deal found 29/5C$ 1,050
Sun 4/1010:05 a.m.
YXU
-
BCN
1 stop17h 15m
Air Canada
Thu 8/101:15 p.m.
BCN
-
YXU
1 stop31h 40m
Air Canada
Deal found 1/6C$ 1,091
Tue 25/83:30 p.m.
YXU
-
BCN
1 stop11h 50m
Air Canada
Thu 3/91:15 p.m.
BCN
-
YXU
1 stop14h 25m
Air Canada
Deal found 31/5C$ 1,210

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 3 June 2026.

Round-trip from

C$ 1,091

Popular in

August

Cheapest in

November

Average price

C$ 1,079
Air Canada
  • Air Canada
  • 4/10-8/10
  • 2 total stops
  • 48h 55m total
  • London to Barcelona
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 3 June 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

Cheapest round-trip

LondonBarcelona

YXU - BCN

YXUBCN

London

Sun 4/10

10:05 a.m.-9:20 a.m.

1 stop17h 15m

Barcelona-El Prat

Thu 8/10

1:15 p.m.-2:55 p.m.

1 stop31h 40m

C$ 1,091
Quickest round-trip

LondonBarcelona

YXU - BCN

YXUBCN

London

Tue 25/8

10:05 a.m.-8:00 a.m.

2 stops15h 55m

Barcelona-El Prat

Thu 3/9

1:15 p.m.-9:40 p.m.

1 stop14h 25m

C$ 1,214

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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
No data available for this route at this time. Please check back soon.

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 3 June 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
11,122 reviews
Check prices

Food

6.3

Comfort

7.1

Boarding

7.3

Entertainment

6.8

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Air Canada
7.1
Good
11,122 reviews
Air Canada
7.1
Good
11,122 reviews
Check prices

Food

6.3

Comfort

7.1

Boarding

7.3

Entertainment

6.8

Overall

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!

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 can get you from London, Ontario to Barcelona in just under 17h 15m. Your travel time can differ by up to . The distance from London, Ontario to Barcelona is about 6556 km.

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

    According to our current data, Air Canada (C$ 898), 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.

See more FAQs

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.

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 3 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 898AverageC$ 1,161FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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.