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Barcelona-El Prat

$326+ Cheap flights from Ontario (ONT) to Barcelona-El Prat (BCN)

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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BCN
ene. 21 — ene. 281
mar. 1/21
mar. 1/28
1 adult, Economy
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Cheap flight deals from Ontario to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Barcelona-El Prat (BCN). 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 enero 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$498
(United Airlines)

One-way from

$326
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$621
Provider with most accurate pricing for Ontario-Barcelona-El Prat flight deals.
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Provider most trusted by Cheapflights users for Ontario-Barcelona-El Prat flights.
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From Ontario to Barcelona-El Prat
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One-way flight from Ontario to Barcelona-El Prat
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High demand for flights, 24% 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 January 2025
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Find flight deals from Ontario to Barcelona-El Prat

Cheapest flights from Ontario to Barcelona-El Prat
Explore the most affordable flight options available from Ontario to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 16, 2025.

This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/410:47 amONT - BCN
2 stops38h 03mUnited Airlines
jue. 2/1312:15 pmBCN - ONT
2 stops41h 37mUnited Airlines
Deal found 1/16$498
This Air Canada deal was found by Cheapflights users on 1/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/45:10 amONT - BCN
3 stops43h 40mMultiple Airlines
mar. 2/1112:15 pmBCN - ONT
2 stops41h 36mMultiple Airlines
Deal found 1/16$524
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/2212:46 pmONT - BCN
1 stop34h 54mDelta
jue. 4/311:35 amBCN - ONT
1 stop20h 04mDelta
Deal found 1/16$526
This CheapOair deal was found by Cheapflights users on 1/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/246:00 amONT - BCN
2 stops18h 50mAir Canada
vie. 4/41:15 pmBCN - ONT
2 stops40h 06mAir Canada
Deal found 1/16$527
This CheapOair deal was found by Cheapflights users on 1/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/242:54 pmONT - BCN
2 stops19h 06mBritish Airways
vie. 4/412:20 pmBCN - ONT
1 stop20h 31mBritish Airways
Deal found 1/16$552
This KLM deal was found by Cheapflights users on 1/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/237:00 amONT - BCN
1 stop16h 40mKLM
jue. 4/311:35 amBCN - ONT
1 stop20h 04mKLM
Deal found 1/16$559
This Orbitz deal was found by Cheapflights users on 1/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/52:44 pmONT - BCN
1 stop34h 26mIberia
mié. 4/169:45 amBCN - ONT
2 stops23h 06mIberia
Deal found 1/16$811

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

Customize your flight search to find flights from Ontario to Barcelona-El Prat 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 enero 16, 2025.

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Fly to

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Route

Depart

Return

Price

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

mar. 2/4

10:47 am-9:50 am

2 stops38h 03m

Barcelona-El Prat

jue. 2/13

12:15 pm-8:52 pm

2 stops41h 37m

$498

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

mar. 2/4

5:10 am-9:50 am

3 stops43h 40m

Barcelona-El Prat

mar. 2/11

12:15 pm-8:51 pm

2 stops41h 36m

$524

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

sáb. 3/22

12:46 pm-7:40 am

1 stop34h 54m

Barcelona-El Prat

jue. 4/3

11:35 am-10:39 pm

1 stop20h 04m

$526

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

lun. 3/24

6:00 am-8:50 am

2 stops18h 50m

Barcelona-El Prat

vie. 4/4

1:15 pm-8:21 pm

2 stops40h 06m

$527

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

lun. 3/24

2:54 pm-6:00 pm

2 stops19h 06m

Barcelona-El Prat

vie. 4/4

12:20 pm-11:51 pm

1 stop20h 31m

$552

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

dom. 3/23

7:00 am-7:40 am

1 stop16h 40m

Barcelona-El Prat

jue. 4/3

11:35 am-10:39 pm

1 stop20h 04m

$559

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

sáb. 4/5

2:44 pm-10:10 am

1 stop34h 26m

Barcelona-El Prat

mié. 4/16

9:45 am-11:51 pm

2 stops23h 06m

$811

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

mié. 1/22

7:45 am-1:10 pm

2 stops20h 25m

$326

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

mar. 2/4

7:05 am-8:00 am

1 stop15h 55m

$434

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

mié. 3/26

10:57 am-2:45 pm

2 stops19h 48m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 16 results
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Compare providers for flights from Ontario to Barcelona-El Prat

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 Ontario to Barcelona-El Prat in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 Ontario-Barcelona-El Prat Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Barcelona-El Prat Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Barcelona-El Prat Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Ontario-Barcelona-El Prat Airport 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 Ontario to Barcelona-El Prat

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

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

How far ahead should I book a flight from Ontario to Barcelona-El Prat Airport?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Barcelona-El Prat. Price data was last updated on January 10, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Barcelona-El Prat Airport, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Barcelona-El Prat Airport (average of $523). Flying from Ontario to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,097). 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-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 16, 2025.

It’s typically best to fly out from Ontario to Barcelona-El Prat Airport 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-El Prat Airport?

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

Travelers seeking maximum savings on their Ontario to Barcelona-El Prat Airport 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-El Prat by month

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

In terms of precipitation, rainfall in Barcelona-El Prat Airport 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-El Prat Airport when rainfall is around 0.8 in.

Temperature in Barcelona-El Prat by month

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

If weather is an important factor for your trip to Barcelona-El Prat Airport, 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-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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-El Prat. Reviews last updated enero 16, 2025.
To help decide which airline to fly from Ontario to Barcelona, see what other customers have to say about United Airlines, KLM and Iberia. 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
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

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
8,511 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

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
1,487 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

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
8,965 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 10

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

Air Canada
7.0
Good
8,587 reviews
Delta
8.0
Very good
8,511 reviews

Food

7.3

Entertainment

7.9

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

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-El Prat. 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-El Prat?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Barcelona-El Prat. 6 airlines have flights from Ontario to Barcelona-El Prat on a regular basis. Booking flights from Ontario to Barcelona-El Prat should not be difficult; the airport handles an average of 0 outbound flights to Barcelona-El Prat per day.

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

    Currently priced at $498, United Airlines will fly you from Ontario to Barcelona-El Prat Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Air Canada - these airlines can fly you to your destination from $526 and $527, respectively. United Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.

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

    $434 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on British Airways and United Airlines, with prices starting from $438 and $439, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Barcelona-El Prat Airport (average of $523). Flying from Ontario to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,097). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Calella
L'Hospitalet de Llobregat
El Prat de Llobregat
Castelldefels
Cadaques
Badalona
Pineda de Mar
Santa Susanna
Tossa de Mar

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Alternative routes for Ontario to Barcelona-El Prat

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Top 6 airlines flying from Ontario to Barcelona-El Prat

Discover the top 6 airlines that operate flights from Ontario to Barcelona-El Prat. 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 enero 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$546Average$985FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$563Average$1,032FlexibilityNo cancel feeOn-time70%
DeltaCheapest$566Average$752FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$582Average$973FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$695Average$1,032FlexibilityNo cancel feeOn-time67%
IberiaCheapest$716Average$1,086FlexibilityNo cancel feeOn-time77%
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