HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Barcelona-El Prat (BCN) to Ontario (ONT) from $548

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BCN — ONT
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 34 days in advance, which can save you up to 18% on flights from Barcelona-El Prat Airport to Ontario compared to booking the week you need them. Waiting 34 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $702. For sooner than that we have options available in the next 3 days from $952.

What is the cheapest month to fly from Barcelona-El Prat Airport to Ontario?

Our data shows that February tends to be the cheapest month to fly to Ontario from Barcelona-El Prat Airport. Users have commonly found prices around $715 for the month, but tickets can be as low as $323. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from Barcelona-El Prat Airport to Ontario (BCN - ONT)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Barcelona-El Prat Airport to Ontario as you normally would.

Cheap United Airlines flights from Barcelona-El Prat to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Barcelona-El Prat and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from Barcelona to Ontario. Make sure to double check the flight details before booking.
Thu 10/34:00 pmBCN - ONT
1 stop15h 56mUnited Airlines
Thu 10/101:55 pmONT - BCN
1 stop15h 05mUnited Airlines
Deal found 5/7$548
Mon 5/274:00 pmBCN - ONT
1 stop15h 29mUnited Airlines
Mon 6/36:20 amONT - BCN
1 stop22h 40mUnited Airlines
Deal found 5/6$554
Sat 10/54:00 pmBCN - ONT
1 stop15h 56mUnited Airlines
Sat 10/1910:48 amONT - BCN
1 stop18h 12mUnited Airlines
Deal found 5/8$687
Thu 10/104:00 pmBCN - ONT
1 stop15h 56mUnited Airlines
Mon 10/146:02 amONT - BCN
2 stops17h 18mUnited Airlines
Deal found 5/7$729
Tue 5/284:00 pmBCN - ONT
1 stop15h 29mUnited Airlines
Tue 6/41:55 pmONT - BCN
1 stop15h 05mUnited Airlines
Deal found 5/7$738
Fri 10/254:00 pmBCN - ONT
1 stop15h 56mUnited Airlines
Fri 11/16:00 amONT - BCN
2 stops18h 20mUnited Airlines
Deal found 5/7$810
Fri 10/2511:15 amBCN - ONT
2 stops20h 41mUnited Airlines
Fri 11/16:00 amONT - BCN
2 stops18h 20mUnited Airlines
Deal found 5/7$858
Fri 6/214:00 pmBCN - ONT
1 stop15h 27mUnited Airlines
Wed 7/101:45 pmONT - BCN
1 stop15h 15mUnited Airlines
Deal found 5/7$887
Mon 6/34:00 pmBCN - ONT
1 stop15h 27mUnited Airlines
Mon 6/101:55 pmONT - BCN
1 stop15h 05mUnited Airlines
Deal found 5/6$895

Cheap British Airways flights from Barcelona-El Prat to Ontario

Explore cheap flight options specifically provided by British Airways for the route between Barcelona-El Prat and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Take a gander at the lowest prices we've found on British Airways flights from Barcelona to Ontario. Check back soon if you're not seeing flights that suit your needs.
Mon 5/201:55 pmBCN - ONT
1 stop19h 01mBritish Airways
Sun 6/211:59 pmONT - BCN
1 stop27h 01mBritish Airways
Deal found 5/8$699
Mon 5/201:55 pmBCN - ONT
1 stop19h 01mBritish Airways
Sun 6/211:59 pmONT - BCN
1 stop27h 01mBritish Airways
Deal found 5/7$702
Mon 6/37:45 amBCN - ONT
2 stops25h 11mBritish Airways
Thu 6/132:44 pmONT - BCN
2 stops20h 46mBritish Airways
Deal found 5/7$783
Thu 8/2210:10 amBCN - ONT
2 stops22h 39mBritish Airways
Tue 8/278:10 amONT - BCN
2 stops18h 55mBritish Airways
Deal found 5/8$1,036
Sun 5/261:55 pmBCN - ONT
1 stop19h 01mBritish Airways
Sat 6/810:54 amONT - BCN
1 stop16h 06mBritish Airways
Deal found 5/7$1,110
Sun 7/141:55 pmBCN - ONT
1 stop18h 54mBritish Airways
Tue 7/2312:43 pmONT - BCN
1 stop14h 17mBritish Airways
Deal found 5/8$1,472

Cheap Barcelona-El Prat to Ontario flights in May & June 2024

Find cheap flight options from Barcelona-El Prat to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 8, 2024.
Listed are some of the best fares we've found on flights departing from Barcelona to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 5/274:00 pmBCN - ONT
1 stop15h 29mUnited Airlines
Mon 6/36:20 amONT - BCN
1 stop22h 40mUnited Airlines
Deal found 5/6$554
Thu 5/161:55 pmBCN - ONT
1 stop19h 01mIberia
Sun 5/1912:50 pmONT - BCN
1 stop14h 10mIberia
Deal found 5/7$623
Mon 5/201:55 pmBCN - ONT
1 stop19h 01mBritish Airways
Sun 6/211:59 pmONT - BCN
1 stop27h 01mBritish Airways
Deal found 5/8$699
Mon 5/201:55 pmBCN - ONT
1 stop19h 01mBritish Airways
Sun 6/211:59 pmONT - BCN
1 stop27h 01mBritish Airways
Deal found 5/7$702
Mon 5/131:55 pmBCN - ONT
1 stop19h 01mAmerican Airlines
Mon 5/2010:34 amONT - BCN
1 stop16h 26mAmerican Airlines
Deal found 5/6$704
Tue 5/284:00 pmBCN - ONT
1 stop15h 29mUnited Airlines
Tue 6/41:55 pmONT - BCN
1 stop15h 05mUnited Airlines
Deal found 5/7$738
Mon 5/201:20 pmBCN - ONT
2 stops37h 42mDelta
Sun 6/210:00 pmONT - BCN
1 stop26h 10mDelta
Deal found 5/8$756
Mon 5/201:20 pmBCN - ONT
2 stops37h 42mDelta
Sun 6/210:00 pmONT - BCN
1 stop26h 10mDelta
Deal found 5/7$757
Mon 6/37:45 amBCN - ONT
2 stops25h 11mBritish Airways
Thu 6/132:44 pmONT - BCN
2 stops20h 46mBritish Airways
Deal found 5/7$783

Barcelona-El Prat to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Barcelona-El Prat and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Listed are some of the best fares we've found on flights departing from Barcelona to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 10/34:00 pmBCN - ONT
1 stop15h 56mUnited Airlines
Thu 10/101:55 pmONT - BCN
1 stop15h 05mUnited Airlines
Deal found 5/7$548
Mon 5/274:00 pmBCN - ONT
1 stop15h 29mUnited Airlines
Mon 6/36:20 amONT - BCN
1 stop22h 40mUnited Airlines
Deal found 5/6$554
Thu 5/161:55 pmBCN - ONT
1 stop19h 01mIberia
Sun 5/1912:50 pmONT - BCN
1 stop14h 10mIberia
Deal found 5/7$623
Sat 10/54:00 pmBCN - ONT
1 stop15h 56mUnited Airlines
Sat 10/1910:48 amONT - BCN
1 stop18h 12mUnited Airlines
Deal found 5/8$687
Mon 5/201:55 pmBCN - ONT
1 stop19h 01mBritish Airways
Sun 6/211:59 pmONT - BCN
1 stop27h 01mBritish Airways
Deal found 5/8$699
Mon 5/201:55 pmBCN - ONT
1 stop19h 01mBritish Airways
Sun 6/211:59 pmONT - BCN
1 stop27h 01mBritish Airways
Deal found 5/7$702
Mon 5/131:55 pmBCN - ONT
1 stop19h 01mAmerican Airlines
Mon 5/2010:34 amONT - BCN
1 stop16h 26mAmerican Airlines
Deal found 5/6$704
Thu 10/104:00 pmBCN - ONT
1 stop15h 56mUnited Airlines
Mon 10/146:02 amONT - BCN
2 stops17h 18mUnited Airlines
Deal found 5/7$729
Tue 5/284:00 pmBCN - ONT
1 stop15h 29mUnited Airlines
Tue 6/41:55 pmONT - BCN
1 stop15h 05mUnited Airlines
Deal found 5/7$738

Barcelona-El Prat to Ontario flights leaving soon

Find last-minute flight options from Barcelona-El Prat to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Have a look at some of the last-minute flights available departing from Barcelona to Ontario. Users should examine the flight details to ensure there are no surprises.
Thu 5/161:55 pmBCN - ONT
1 stop19h 01mIberia
Sun 5/1912:50 pmONT - BCN
1 stop14h 10mIberia
Deal found 5/7$623
Mon 5/131:55 pmBCN - ONT
1 stop19h 01mAmerican Airlines
Mon 5/2010:34 amONT - BCN
1 stop16h 26mAmerican Airlines
Deal found 5/6$704
Tue 5/141:55 pmBCN - ONT
1 stop19h 01mIberia
Mon 5/2710:34 amONT - BCN
1 stop16h 26mIberia
Deal found 5/7$903

One-way flights to Ontario from Barcelona-El Prat

Search for one-way flight options from Barcelona-El Prat to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 8, 2024.
Users in need of a one-way flight from Barcelona to Ontario can choose from these deals. Those seeking round-trip flights from Barcelona to Ontario should utilize the search form at the the top of the page.
Wed 10/236:20 amBCN - ONT
2 stops18h 52mDelta
Deal found 5/6$714
Wed 9/2511:25 amBCN - ONT
1 stop16h 57mKLM
Deal found 5/7$715
Thu 9/1911:25 amBCN - ONT
1 stop16h 57mKLM
Deal found 5/7$716
Thu 9/2611:25 amBCN - ONT
1 stop16h 57mKLM
Deal found 5/7$718
Tue 10/2212:40 pmBCN - ONT
2 stops18h 53mDelta
Deal found 5/6$721
Thu 5/307:50 amBCN - ONT
2 stops25h 08mMultiple Airlines
Deal found 5/7$762
Wed 5/227:50 amBCN - ONT
2 stops25h 08mMultiple Airlines
Deal found 5/7$763
Sat 9/287:50 amBCN - ONT
2 stops23h 30mMultiple Airlines
Deal found 5/7$764
Fri 10/256:20 amBCN - ONT
2 stops18h 52mDelta
Deal found 5/6$805

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 2,749,864 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$548 - $1,348

Route

Depart

Return

Price

Barcelona-El PratOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Thu 10/3

1 stop15h 56m

Ontario

Thu 10/10

1 stop15h 05m

$548

Barcelona-El PratOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Mon 5/27

1 stop15h 29m

Ontario

Mon 6/3

1 stop22h 40m

$554

Barcelona-El PratOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Mon 5/20

1 stop19h 01m

Ontario

Sun 6/2

1 stop27h 01m

$699

Barcelona-El PratOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Mon 5/20

1 stop19h 01m

Ontario

Sun 6/2

1 stop27h 01m

$702

Barcelona-El PratOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Mon 5/20

2 stops37h 42m

Ontario

Sun 6/2

1 stop26h 10m

$756

Barcelona-El PratOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Mon 5/20

1 stop19h 01m

Ontario

Sun 6/2

1 stop14h 10m

$919

Barcelona-El PratOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Fri 5/31

1 stop17h 41m

Ontario

Sat 6/15

1 stop17h 05m

$1,037

Barcelona-El PratOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Thu 5/23

2 stops21h 18m

Ontario

Mon 5/27

1 stop18h 10m

$1,149

Barcelona-El PratOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Mon 5/20

1 stop19h 01m

Ontario

Mon 5/27

1 stop19h 29m

$1,348

Flights are sorted by cheapest first

Deals found on 5/7

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

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 May 8, 2024.
Get a feel of what it's like to fly with United Airlines, British Airways and Delta 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
8.1
Very good
10,810 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Delta
8.1
Very good
10,810 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

KLM
7.9
Good
1,598 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Virgin Atlantic
7.7
Good
739 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Avianca
7.5
Good
3,830 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

United Airlines
7.4
Good
11,073 reviews
Delta
8.1
Very good
10,810 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

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.

  • Can I find flights from Barcelona-El Prat Airport to Ontario for under $600 on Cheapflights?

    Yes, there are multiple flights from Barcelona-El Prat Airport to Ontario for under $600. The cheapest flight booked recently is on United Airlines for just $548, but on average you can expect to pay $781.

  • Are there last-minute flights available from Barcelona-El Prat Airport to Ontario for under $700?

    There are currently 3+ open flights from Barcelona-El Prat Airport to Ontario within the next 7 days for less than $700.

  • 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 Delta, which is currently one of the cheapest options available, starting at $714. KLM flights start at $715 while deals on Avianca start at $821 one-way.

  • What does BCN to ONT mean?

    BCN and ONT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. BCN to ONT refers to a flight route from Barcelona-El Prat Airport to Ontario Airport.

  • Can I find deals for flights from Barcelona-El Prat to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Barcelona-El Prat to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Barcelona-El Prat to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Barcelona-El Prat to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Barcelona-El Prat to Ontario that allow pets onboard?

    Many airlines flying from Barcelona-El Prat to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Barcelona-El Prat to Ontario?

    Yes, you can often find last-minute deals on Barcelona-El Prat to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Barcelona-El Prat Airport to Ontario flight deals updated?

    The Barcelona-El Prat Airport to Ontario flight deals you see on this page were last updated on 5/8.

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.

Alternative routes for Barcelona-El Prat to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

Barcelona-El Prat to San Francisco flights
Barcelona-El Prat to Los Angeles flights
Barcelona-El Prat to San Jose flights
Barcelona-El Prat to Burbank flights
Barcelona-El Prat to Oakland flights
Barcelona-El Prat to San Diego flights
Barcelona-El Prat to Sacramento flights
Barcelona-El Prat to Santa Ana flights
Costa Brava to Oakland flights
Costa Brava to San Francisco flights
Reus to San Francisco flights
Reus to Los Angeles flights
Costa Brava to Los Angeles flights
Seattle to Tokyo flights
Los Angeles to Seattle flights
Salt Lake City to Phoenix flights
San Francisco to Dubai flights
New Orleans to Miami flights
Dallas to London flights
Los Angeles to Philadelphia flights
Las Vegas to San Diego flights
Los Angeles to Bali flights
Dallas to Atlanta flights
Boston to Lisbon flights
Barcelona-El Prat Airport to Porto flights

Search flights from Barcelona-El Prat to Ontario by cabin class

Find flights from Barcelona-El Prat to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Ordu/Giresun
Flights to Hakodate
Flights to Gazipasa
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Bourgas
Flights to Kalamata
Flights to Menorca/Mahon
Flights to Mytilene
Flights to Mason City
Flights to Pau Pyrénées
Flights to Neiva La Marguita
Flights to Cortez Montezuma County
Flights to Biarritz Parme
Flights to Parikia Paros
Flights to Ohrid
Flights to Edremit/Korfez
Flights to Naxos
Flights to Dalaman
Flights to Lublin
Flights to Miyakojima Hirara
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Constanţa Mihail Kogalniceanu

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 Barcelona-El Prat to Ontario?

When you search for this flight from Barcelona-El Prat to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Barcelona-El Prat to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Barcelona-El Prat 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 Barcelona-El Prat to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Barcelona-El Prat to Ontario with no change fees.

Can Cheapflights notify me if prices for flights from Barcelona-El Prat to Ontario become cheaper?

Not ready to book yet? You can track prices for flights from Barcelona-El Prat to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.
View all available airlines