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$515+ Cheap flights from Barcelona-El Prat (BCN) to Ontario (ONT)

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — ONT
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Barcelona-El Prat to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to Ontario (ONT). 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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$515
(United Airlines)
Provider with most accurate pricing for Barcelona-El Prat-Ontario flight deals.
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Provider most trusted by Cheapflights users for Barcelona-El Prat-Ontario flights.
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From Barcelona-El Prat to Ontario
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Find flight deals from Barcelona-El Prat to Ontario

Cheapest flights from Barcelona-El Prat to Ontario
Explore the most affordable flight options available from Barcelona-El Prat to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/20. 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 2/1111:00 amBCN - ONT
2 stops40h 04mUnited Airlines
Wed 2/265:05 amONT - BCN
2 stops18h 55mUnited Airlines
Deal found 1/20$515
This Trip.com deal was found by Cheapflights users on 1/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/316:45 amBCN - ONT
2 stops25h 46mMultiple Airlines
Fri 2/76:00 amONT - BCN
2 stops29h 20mMultiple Airlines
Deal found 1/21$516
This Delta deal was found by Cheapflights users on 1/20. 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.
Sat 2/1510:15 amBCN - ONT
1 stop21h 37mDelta
Sat 3/11:05 pmONT - BCN
1 stop34h 35mDelta
Deal found 1/20$567
This Kissandfly.com deal was found by Cheapflights users on 1/21. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/159:55 amBCN - ONT
2 stops19h 45mLufthansa
Wed 2/2610:36 amONT - BCN
2 stops17h 34mLufthansa
Deal found 1/21$568
This KLM deal was found by Cheapflights users on 1/21. 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.
Thu 2/1310:15 amBCN - ONT
1 stop21h 37mKLM
Tue 2/187:05 amONT - BCN
1 stop15h 55mKLM
Deal found 1/21$775
This Trip.com deal was found by Cheapflights users on 1/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1912:20 pmBCN - ONT
1 stop18h 39mIberia
Sat 4/262:44 pmONT - BCN
1 stop34h 26mIberia
Deal found 1/21$911
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1112:20 pmBCN - ONT
1 stop18h 51mBritish Airways
Wed 4/1610:51 amONT - BCN
1 stop14h 19mBritish Airways
Deal found 1/20$1,035
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1612:20 pmBCN - ONT
1 stop15h 39mAmerican Airlines
Sat 6/2810:55 amONT - BCN
1 stop14h 15mAmerican Airlines
Deal found 1/21$1,521
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1312:15 pmBCN - ONT
3 stops33h 27mAir Canada
Fri 2/285:05 amONT - BCN
3 stops19h 45mAir Canada
Deal found 1/20$2,004

Find flights from Barcelona-El Prat to Ontario within your budget

Customize your flight search to find flights from Barcelona-El Prat to Ontario 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Tue 2/11

11:00 am-6:04 pm

2 stops40h 04m

Ontario

Wed 2/26

5:05 am-9:00 am

2 stops18h 55m

$515

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Fri 1/31

6:45 am-11:31 pm

2 stops25h 46m

Ontario

Fri 2/7

6:00 am-8:20 pm

2 stops29h 20m

$516

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Sat 2/15

10:15 am-10:52 pm

1 stop21h 37m

Ontario

Sat 3/1

1:05 pm-8:40 am

1 stop34h 35m

$567

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Sat 2/15

9:55 am-8:40 pm

2 stops19h 45m

Ontario

Wed 2/26

10:36 am-1:10 pm

2 stops17h 34m

$568

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Thu 2/13

10:15 am-10:52 pm

1 stop21h 37m

Ontario

Tue 2/18

7:05 am-8:00 am

1 stop15h 55m

$775

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Sat 4/19

12:20 pm-9:59 pm

1 stop18h 39m

Ontario

Sat 4/26

2:44 pm-10:10 am

1 stop34h 26m

$911

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Fri 4/11

12:20 pm-10:11 pm

1 stop18h 51m

Ontario

Wed 4/16

10:51 am-10:10 am

1 stop14h 19m

$1,035

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Mon 6/16

12:20 pm-6:59 pm

1 stop15h 39m

Ontario

Sat 6/28

10:55 am-10:10 am

1 stop14h 15m

$1,521

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Thu 2/13

12:15 pm-12:42 pm

3 stops33h 27m

Ontario

Fri 2/28

5:05 am-9:50 am

3 stops19h 45m

$2,004

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Tue 2/11

9:55 am-9:57 pm

2 stops21h 02m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 20 results
1
2

Compare providers for flights from Barcelona-El Prat to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Barcelona-El Prat to Ontario in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Barcelona-El Prat Airport-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Barcelona-El Prat to Ontario

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

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

What is the cheapest month to book a flight from Barcelona-El Prat Airport to Ontario?

Currently, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Ontario (average of $246). Flying from Barcelona-El Prat Airport to Ontario in March is currently the most expensive (average of $310). 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 Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, 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 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated January 21, 2025.
Get a feel of what it's like to fly with KLM and United Airlines from Barcelona to Ontario by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.2
Good
2,829 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to Ontario. 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 Ontario from Barcelona-El Prat?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from Barcelona-El Prat. Booking flights from Barcelona-El Prat to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from Barcelona-El Prat from 0 different airlines.

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

    Our cheapest airline available from Barcelona-El Prat Airport to Ontario is United Airlines. Our recent data shows that you can find tickets from as low as $515 on this airline. Additional options worth looking into are Delta and Lufthansa, starting at $567 and $568 round-trip.

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

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $557. Iberia flights start at $656 while deals on British Airways start at $658 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Barcelona-El Prat to Ontario 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 Barcelona-El Prat Airport to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Ontario (average of $246). Flying from Barcelona-El Prat Airport to Ontario in March is currently the most expensive (average of $310). 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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