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BCN - ONT

$412 Find Cheap Flights from Barcelona to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$743
Typical prices: $762-$1,160
Multiple Airlines
Tue 1/9Tue 1/30
BCN - ONT • 2 stops
Cheapest one-way
$412
Typical prices: $613-$808
Multiple Airlines
Sat 12/8
BCN - ONT • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Barcelona-El Prat Airport and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 30% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $590 (round-trip)
San Francisco (SFO)
Shortest trip • 15h 36m (one-way)
Insights
Insights
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We hope you love your trip to Ontario!
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Flight Deals

Cheap Flights from Barcelona to Ontario (BCN-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Barcelona to Ontario

Sat, Jan 9 - Sat, Jan 30
Multiple Airlines Logo
7:30 am - 10:41 pmBCN  Barcelona-El Prat-ONT Ontario
24h 11m2 stops London Heathrow Seattle/Tacoma Intl
Multiple Airlines Logo
11:36 am - 12:55 amONT  Ontario-BCN Barcelona-El Prat
28h 19m2 stops Seattle/Tacoma Intl London Heathrow
$743Multiple Airlines
Tue, Jan 26 - Sun, Jan 31
United Airlines Logo
5:55 am - 8:20 pmBCN  Barcelona-El Prat-ONT Ontario
23h 25m3 stops Frankfurt am Main Newark Denver Intl
United Airlines Logo
6:00 am - 8:20 amONT  Ontario-BCN Barcelona-El Prat
17h 20m2 stops Houston George Bush Intcntl Newark
$824United Airlines
Mon, Feb 1 - Fri, Feb 12
United Airlines Logo
9:55 am - 8:26 pmBCN  Barcelona-El Prat-ONT Ontario
19h 31m2 stops Frankfurt am Main San Francisco
United Airlines Logo
6:30 am - 9:00 amONT  Ontario-BCN Barcelona-El Prat
17h 30m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$825United Airlines
Mon, Feb 22 - Mon, Mar 8
United Airlines Logo
6:50 am - 5:35 pmBCN  Barcelona-El Prat-ONT Ontario
19h 45m2 stops Frankfurt am Main San Francisco
United Airlines Logo
5:00 am - 9:35 amONT  Ontario-BCN Barcelona-El Prat
19h 35m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
$826United Airlines
Mon, Mar 1 - Sun, Mar 7
Delta Logo
6:00 am - 10:14 pmBCN  Barcelona-El Prat-ONT Ontario
25h 14m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 5:00 pmONT  Ontario-BCN Barcelona-El Prat
25h 00m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
$827Delta
Mon, Feb 1 - Mon, Mar 1
United Airlines Logo
5:55 am - 8:20 pmBCN  Barcelona-El Prat-ONT Ontario
23h 25m2 stops Frankfurt am Main Denver Intl
United Airlines Logo
5:00 am - 9:35 amONT  Ontario-BCN Barcelona-El Prat
19h 35m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
$828United Airlines
Mon, Mar 1 - Sun, Mar 7
Delta Logo
10:50 am - 11:27 amBCN  Barcelona-El Prat-ONT Ontario
33h 37m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 2:55 pmONT  Ontario-BCN Barcelona-El Prat
22h 55m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
$830Delta
Wed, Feb 3 - Fri, Feb 12
United Airlines Logo
9:55 am - 8:26 pmBCN  Barcelona-El Prat-ONT Ontario
19h 31m2 stops Frankfurt am Main San Francisco
United Airlines Logo
6:30 am - 9:00 amONT  Ontario-BCN Barcelona-El Prat
17h 30m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$845United Airlines
Mon, Feb 8 - Mon, Feb 15
United Airlines Logo
6:50 am - 5:47 pmBCN  Barcelona-El Prat-ONT Ontario
19h 57m2 stops Frankfurt am Main San Francisco
United Airlines Logo
5:00 am - 9:00 amONT  Ontario-BCN Barcelona-El Prat
19h 00m2 stops Denver Intl Washington, D.C. Dulles Intl
$848United Airlines
Mon, Mar 1 - Sun, Mar 7
American Airlines Logo
11:50 am - 10:08 pmBCN  Barcelona-El Prat-ONT Ontario
19h 18m2 stops New York John F Kennedy Intl Phoenix Sky Harbor Intl
American Airlines Logo
11:59 pm - 9:10 amONT  Ontario-BCN Barcelona-El Prat
24h 11m1 stop Dallas/Fort Worth
$849American Airlines
Booking Insights

Price, demand and travel trends for Barcelona-El Prat Airport to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Barcelona-El Prat Airport to Ontario?

United Airlines ($824) and Delta ($827) are the cheapest airlines to fly round-trip from Barcelona-El Prat Airport to Ontario according to KAYAK data over the last 5 days.

Find deals

Key details for Barcelona-El Prat Airport to Ontario flights

Low season

November

Cheapest flight

$412
One-way flight from Barcelona-El Prat Airport to Ontario

When to book flights from Barcelona to Ontario

Are your dates flexible? Find out the best times to travel from Barcelona to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Barcelona-El Prat Airport to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Barcelona-El Prat Airport to Ontario?

    Two cabin classes are available on flights from Barcelona-El Prat Airport to Ontario:

    • Economy Class
    • Business Class

  • How long is a flight from Barcelona-El Prat Airport to Ontario?

    A nonstop flight from Barcelona-El Prat Airport to Ontario takes 00m, covering 5,971 miles.

  • Do I need a passport to fly from Barcelona-El Prat Airport to Ontario?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Barcelona-El Prat Airport to Ontario flight?

    Round-trip flights from Barcelona-El Prat Airport to Ontario range from $762 to $1,160, with an average of $772 over the past 12 months. Anything below $762 counts as a good deal.

  • How are flight prices from Barcelona-El Prat Airport to Ontario looking right now?

    One-way fares from Barcelona-El Prat Airport to Ontario are currently lower than usual. Average one-way flight prices are about $477, which is 35% below the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from Barcelona-El Prat Airport to Ontario?

    Flights from Barcelona-El Prat Airport to Ontario usually depart from Barcelona-El Prat (BCN) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Barcelona-El Prat Airport to Ontario pass through?

    One-stop flights from Barcelona-El Prat Airport to Ontario most commonly connect through:

    • Dallas/Fort Worth (DFW) - 43% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 29% of one-stop connections
    • San Francisco (SFO) - 29% of one-stop connections

  • Can I save money by using flexible dates for flights from Barcelona-El Prat Airport to Ontario?

    Yes. Flexible dates can save you up to 59% on flights from Barcelona-El Prat Airport to Ontario. Thursday is the cheapest departure day at $539 round-trip on average, while Tuesday is the most expensive at $1,285, a difference of $746.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Barcelona-El Prat Airport to Ontario?

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 15h 36m, compared with 16h via Atlanta Hartsfield-Jackson (ATL) and 16h 17m via Dallas/Fort Worth (DFW).

  • What is the time difference between Barcelona-El Prat Airport and Ontario?

    Ontario is 9 hours behind Barcelona-El Prat Airport (Pacific Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Barcelona-El Prat Airport to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Tuesday. On this route, Thursday flights average $539, about $746 less than Tuesday fares (58% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Barcelona-El Prat Airport to Ontario trip for February. Fares historically average $537 round-trip in that month - typically $748 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • La Quinta Inn & Suites by Wyndham Ontario Airport
    • Ontario Airport Inn

More options for your flight from Barcelona to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario