ONT - BCN

$329 Find Cheap Flights from Ontario to Barcelona - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$559
Typical prices: $918-$1,243
Multiple Airlines
Sat 11/10Sat 11/17
ONT - BCN • 3 stops
Cheapest one-way
$329
Typical prices: $740-$861
Multiple Airlines
Sun 11/11
ONT - BCN • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Ontario and Barcelona-El Prat Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
August
Cheapest • 14% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $1,099 (round-trip)
San Francisco (SFO)
Shortest trip • 15h 43m (one-way)
Insights
Insights
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Booking Insights
Flight Deals

Cheap Flights from Ontario to Barcelona (ONT-BCN)

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

Recent round-trip flight deals from Ontario to Barcelona

Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
5:07 pm - 1:40 pmONT  Ontario-BCN Barcelona-El Prat
35h 33m3 stops Las Vegas Harry Reid Intl Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
12:25 pm - 11:51 pmBCN  Barcelona-El Prat-ONT Ontario
20h 26m2 stops Reykjavik Keflavik Intl Denver Intl
$559Multiple Airlines
Sat, Nov 7 - Sat, Nov 14
Multiple Airlines Logo
6:25 am - 1:40 pmONT  Ontario-BCN Barcelona-El Prat
22h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
12:25 pm - 11:51 pmBCN  Barcelona-El Prat-ONT Ontario
20h 26m2 stops Reykjavik Keflavik Intl Denver Intl
$592Multiple Airlines
Sat, Nov 7 - Sat, Nov 14
Multiple Airlines Logo
6:25 am - 1:40 pmONT  Ontario-BCN Barcelona-El Prat
22h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
12:25 pm - 11:16 amBCN  Barcelona-El Prat-ONT Ontario
31h 51m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl
$593Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
5:07 pm - 1:40 pmONT  Ontario-BCN Barcelona-El Prat
35h 33m3 stops Las Vegas Harry Reid Intl Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
12:25 pm - 9:40 amBCN  Barcelona-El Prat-ONT Ontario
30h 15m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl
$611Multiple Airlines
Sun, Jan 10 - Fri, Jan 22
United Airlines Logo
7:00 am - 4:50 pmONT  Ontario-BCN Barcelona-El Prat
24h 50m2 stops Chicago O'Hare Intl Brussels Bruxelles-National
United Airlines Logo
1:35 pm - 6:44 pmBCN  Barcelona-El Prat-ONT Ontario
38h 09m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$715United Airlines
Wed, Nov 4 - Wed, Nov 11
United Airlines Logo
5:00 am - 1:15 pmONT  Ontario-BCN Barcelona-El Prat
23h 15m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
3:10 pm - 5:56 pmBCN  Barcelona-El Prat-ONT Ontario
35h 46m2 stops Chicago O'Hare Intl San Francisco
$726United Airlines
Wed, Nov 4 - Tue, Nov 10
United Airlines Logo
7:00 am - 9:00 amONT  Ontario-BCN Barcelona-El Prat
17h 00m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
10:30 am - 8:51 pmBCN  Barcelona-El Prat-ONT Ontario
19h 21m2 stops Washington, D.C. Dulles Intl Denver Intl
$726United Airlines
Wed, Oct 21 - Wed, Oct 28
British Airways Logo
10:25 am - 10:10 amONT  Ontario-BCN Barcelona-El Prat
14h 45m1 stop Dallas/Fort Worth
British Airways Logo
10:40 am - 9:35 amBCN  Barcelona-El Prat-ONT Ontario
30h 55m1 stop Dallas/Fort Worth
$907British Airways
Wed, Oct 21 - Sat, Nov 7
British Airways Logo
7:00 am - 10:10 amONT  Ontario-BCN Barcelona-El Prat
18h 10m1 stop Dallas/Fort Worth
British Airways Logo
10:40 am - 6:42 pmBCN  Barcelona-El Prat-ONT Ontario
17h 02m1 stop Dallas/Fort Worth
$912British Airways
Sun, Oct 25 - Sun, Nov 8
British Airways Logo
10:25 am - 7:55 amONT  Ontario-BCN Barcelona-El Prat
13h 30m1 stop Dallas/Fort Worth
British Airways Logo
10:40 am - 6:42 pmBCN  Barcelona-El Prat-ONT Ontario
17h 02m1 stop Dallas/Fort Worth
$912British Airways
Booking Insights

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

United Airlines ($715) and British Airways ($907) are the cheapest airlines to fly round-trip from Ontario to Barcelona-El Prat Airport according to KAYAK data over the last 5 days.

Find deals

Key details for Ontario to Barcelona-El Prat Airport flights

Low season

December

Cheapest flight

$329
Beat the crowds with an average 71% drop in travelers.
The most popular month to fly with an average 14% increase in travelers.
One-way flight from Ontario to Barcelona-El Prat Airport

When to book flights from Ontario to Barcelona

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

Your Ontario to Barcelona-El Prat Airport 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 Ontario to Barcelona-El Prat Airport?

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

    • Economy Class
    • Business Class

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

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

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

    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 Ontario to Barcelona-El Prat Airport flight?

    Round-trip flights from Ontario to Barcelona-El Prat Airport range from $918 to $1,243, with an average of $1,069 over the past 12 months. Anything below $918 counts as a good deal.

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

    One-way fares from Ontario to Barcelona-El Prat Airport are currently lower than usual. Average one-way flight prices are about $407, which is 52% below the typical average for this route.

  • What car rental options are available at Barcelona-El Prat Airport (BCN)?

    Barcelona-El Prat Airport (BCN) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:

    • Record go
    • NIZACARS
    • Goldcar Rental SP
    • CLICK RENT
    • Ok Mobility

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

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

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

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

    • Dallas/Fort Worth (DFW) - 52% of one-stop connections
    • San Francisco (SFO) - 27% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 20% of one-stop connections

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

    Yes. Flexible dates can save you up to 38% on flights from Ontario to Barcelona-El Prat Airport. Saturday is the cheapest departure day at $774 round-trip on average, while Wednesday is the most expensive at $1,243, a difference of $469.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 15h 43m, compared with 16h 35m via Dallas/Fort Worth (DFW) and 18h 12m via Atlanta Hartsfield-Jackson (ATL).

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

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

  • What popular places can I visit in Barcelona-El Prat Airport?

    Some of the most popular sights in Barcelona-El Prat Airport are La Rambla, Sagrada Familia and Placa de Catalunya. These are among the most viewed places in Barcelona-El Prat Airport on KAYAK.

Your guide to booking Ontario to Barcelona-El Prat Airport 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 Saturday departure and avoid flying on Wednesday. On this route, Saturday flights average $774, about $469 less than Wednesday fares (38% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Ontario to Barcelona-El Prat Airport trip for August. Fares historically average $918 round-trip in that month - typically $708 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from Ontario to Barcelona

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

Car rentals in Barcelona
Hotels in Barcelona
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