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$318+ Cheap flights from Ontario (ONT) to Barcelona

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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BCN
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Ontario to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 December 18, 2024.

Round-trip from

$619
(KLM)

One-way from

$318
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$729
From Ontario to Barcelona
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One-way flight from Ontario to Barcelona
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High demand for flights, 23% 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 December 2024
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Find flight deals from Ontario to Barcelona

Cheapest flights from Ontario to Barcelona
Explore the most affordable flight options available from Ontario to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:05 amONT - BCN
2 stops19h 45mUnited Airlines
Fri 6/134:00 pmBCN - ONT
1 stop15h 05mUnited Airlines
Deal found 12/17$1,084
This Expedia deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2512:45 pmONT - BCN
2 stops24h 40mBritish Airways
Tue 12/316:40 amBCN - ONT
2 stops40h 03mBritish Airways
Deal found 12/17$1,295
This KLM deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2210:29 pmONT - BCN
1 stop25h 11mKLM
Sat 1/2510:15 amBCN - ONT
1 stop21h 37mKLM
Deal found 12/17$1,330
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/255:30 amONT - BCN
2 stops18h 10mDelta
Tue 12/3110:55 amBCN - ONT
1 stop32h 51mDelta
Deal found 12/17$1,394
This Lufthansa deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/315:05 amONT - BCN
3 stops24h 00mMultiple Airlines
Fri 6/137:45 amBCN - ONT
2 stops21h 32mMultiple Airlines
Deal found 12/17$1,640
This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/266:50 pmONT - BCN
2 stops30h 00mAir Canada
Sat 1/412:15 pmBCN - ONT
2 stops30h 43mAir Canada
Deal found 12/17$3,713
This Cheapflightsfares deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2610:30 pmONT - BCN
2 stops24h 10mAvianca
Fri 1/312:50 pmBCN - ONT
2 stops41h 10mAvianca
Deal found 12/16$4,528

Find flights from Ontario to Barcelona within your budget

Customize your flight search to find flights from Ontario 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Tue 2/11

7:05 am-8:00 am

1 stop15h 55m

Barcelona-El Prat

Thu 2/20

10:15 am-10:52 pm

1 stop21h 37m

$619

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Wed 1/15

6:00 am-9:00 am

2 stops18h 00m

Barcelona-El Prat

Wed 2/5

11:00 am-10:45 pm

2 stops20h 45m

$624

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Wed 1/15

5:10 am-9:50 am

2 stops19h 40m

Barcelona-El Prat

Wed 2/5

7:45 am-8:29 pm

3 stops45h 44m

$648

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Thu 1/23

7:05 am-8:00 am

1 stop15h 55m

Barcelona-El Prat

Thu 2/6

10:15 am-10:52 pm

1 stop21h 37m

$666

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sun 1/12

11:59 pm-1:40 pm

2 stops28h 41m

Barcelona-El Prat

Mon 1/20

7:55 pm-10:45 pm

2 stops35h 50m

$693

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sat 3/22

12:39 pm-7:40 am

1 stop35h 01m

Barcelona-El Prat

Tue 4/1

11:35 am-10:58 pm

1 stop20h 23m

$812

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sun 2/2

10:56 am-5:15 pm

2 stops21h 19m

Barcelona-El Prat

Mon 2/17

6:55 pm-10:16 pm

2 stops36h 21m

$921

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Thu 5/29

1:00 pm-7:50 am

3 stops33h 50m

Barcelona-El Prat

Wed 6/4

12:15 pm-12:33 pm

3 stops33h 18m

$1,243

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Mon 4/28

11:30 pm-9:00 am

2 stops24h 30m

Barcelona-El Prat

Mon 6/2

2:00 pm-10:00 pm

2 stops41h 00m

$1,315

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sat 2/15

12:59 am-1:10 pm

2 stops27h 11m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 19 results
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Best time to book a flight from Ontario to Barcelona

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

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

How far ahead should I book a flight from Ontario to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Barcelona. Price data was last updated on December 13, 2024.

The price you pay for your flight from Ontario to Barcelona may vary depending on when you book. For the best chance of a lower fare, look to book 64 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 Ontario to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Ontario to Barcelona (average of $523). Flying from Ontario to Barcelona in June is currently the most expensive (average of $1,098). 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 ONT to BCN?

Find hourly flight availability from Ontario to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

It’s typically best to fly out from Ontario to Barcelona in the afternoon. Doing so could potentially save you 18% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Ontario to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Barcelona. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Barcelona flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 December 18, 2024.
Peruse reviews from past customers who have flown with KLM, Delta and Air Canada from Ontario to Barcelona to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,504 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,055 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 Ontario to Barcelona?

    For a flight from Ontario to Barcelona, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to Barcelona per day. 6 airlines have flights to Barcelona from Ontario on a regular basis.

  • What are the cheapest airlines flying from Ontario to Barcelona round-trip?

    Currently priced at $619, KLM will fly you from Ontario to Barcelona and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $624 and $648, respectively. KLM is currently priced 28% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Ontario to Barcelona one-way?

    One-way options have recently been found by users for as low as $457 on United Airlines. Other airlines that offer cheap prices include British Airways from $471 and KLM from $486 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Barcelona (average of $523). Flying from Ontario to Barcelona in June is currently the most expensive (average of $1,098). 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.

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Alternative routes for Ontario to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ontario to Barcelona

Discover the top 6 airlines that operate flights from Ontario 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$546Average$974FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$563Average$1,059FlexibilityNo cancel feeOn-time70%
DeltaCheapest$566Average$823FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$574Average$943FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$695Average$1,032FlexibilityNo cancel feeOn-time67%
IberiaCheapest$716Average$1,086FlexibilityNo cancel feeOn-time77%
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