Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Barcelona-El Prat Airport to Los Angeles from $393

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Barcelona-El Prat Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Avianca Logo
1:40 pm - 8:50 pmBCN  Barcelona-El Prat-ONT Ontario
40h 10m2 stops Bogotá El Dorado San Salvador El Salvador Intl
Avianca Logo
10:45 pm - 8:15 amONT  Ontario-BCN Barcelona-El Prat
24h 30m2 stops San Salvador El Salvador Intl Bogotá El Dorado
$816Avianca
Fri, Feb 12 - Thu, Feb 25
Avianca Logo
1:40 pm - 9:50 pmBCN  Barcelona-El Prat-ONT Ontario
40h 10m2 stops Bogotá El Dorado San Salvador El Salvador Intl
Avianca Logo
11:35 pm - 8:45 amONT  Ontario-BCN Barcelona-El Prat
24h 10m2 stops San Salvador El Salvador Intl Bogotá El Dorado
$820Avianca
Mon, Mar 15 - Thu, Apr 1
Multiple Airlines Logo
6:20 am - 7:20 amBCN  Barcelona-El Prat-ONT Ontario
34h 00m3 stops Rome Fiumicino San Francisco Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:00 am - 3:55 pmONT  Ontario-BCN Barcelona-El Prat
22h 55m3 stops Las Vegas Harry Reid Intl San Francisco Rome Fiumicino
$821Multiple Airlines
Tue, Nov 24 - Tue, Dec 1
KLM Logo
10:50 am - 10:14 pmBCN  Barcelona-El Prat-ONT Ontario
20h 24m1 stop Atlanta Hartsfield-Jackson
KLM Logo
7:00 am - 8:40 amONT  Ontario-BCN Barcelona-El Prat
16h 40m1 stop Atlanta Hartsfield-Jackson
$831KLM
Mon, Feb 15 - Sun, Feb 28
Multiple Airlines Logo
10:50 am - 10:14 pmBCN  Barcelona-El Prat-ONT Ontario
20h 24m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
7:00 am - 8:40 amONT  Ontario-BCN Barcelona-El Prat
16h 40m1 stop Atlanta Hartsfield-Jackson
$840Multiple Airlines
Sat, Feb 13 - Fri, Feb 26
United Airlines Logo
9:55 am - 8:01 pmBCN  Barcelona-El Prat-ONT Ontario
19h 06m2 stops Frankfurt am Main San Francisco
United Airlines Logo
5:00 am - 8:20 amONT  Ontario-BCN Barcelona-El Prat
18h 20m2 stops Denver Intl Newark
$842United Airlines
Sat, Jan 23 - Sat, Jan 30
United Airlines Logo
6:50 am - 8:25 pmBCN  Barcelona-El Prat-ONT Ontario
22h 35m2 stops Frankfurt am Main San Francisco
United Airlines Logo
6:00 am - 8:20 amONT  Ontario-BCN Barcelona-El Prat
17h 20m2 stops Houston George Bush Intcntl Newark
$843United Airlines
Thu, Jan 21 - Thu, Jan 28
United Airlines Logo
9:55 am - 10:30 pmBCN  Barcelona-El Prat-ONT Ontario
21h 35m2 stops Frankfurt am Main San Francisco
United Airlines Logo
6:00 am - 8:20 amONT  Ontario-BCN Barcelona-El Prat
17h 20m2 stops Houston George Bush Intcntl Newark
$845United Airlines
Mon, Jan 25 - Wed, Feb 3
United Airlines Logo
5:45 am - 8:25 pmBCN  Barcelona-El Prat-ONT Ontario
23h 40m2 stops Frankfurt am Main San Francisco
United Airlines Logo
7:00 am - 9:35 amONT  Ontario-BCN Barcelona-El Prat
17h 35m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
$846United Airlines
Thu, Jan 14 - Thu, Feb 4
Multiple Airlines Logo
6:20 am - 12:24 amBCN  Barcelona-El Prat-ONT Ontario
27h 04m2 stops Rome Fiumicino San Francisco
Multiple Airlines Logo
8:00 am - 3:55 pmONT  Ontario-BCN Barcelona-El Prat
22h 55m3 stops Las Vegas Harry Reid Intl San Francisco Rome Fiumicino
$853Multiple Airlines
Tue, Nov 24 - Tue, Dec 1

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Barcelona-El Prat Airport to Ontario

Our best United Airlines deals on Barcelona-El Prat Airport to Ontario flight tickets
United Airlines
Jan 23
BCN9:55 amBarcelona-El Prat
19h 06m
2 stops
ONT8:01 pmOntario
Jan 30
ONT5:00 amOntario
18h 20m
2 stops
BCN8:20 amBarcelona-El Prat
$842
United Airlines
Jan 21
BCN6:50 amBarcelona-El Prat
22h 35m
2 stops
ONT8:25 pmOntario
Jan 28
ONT6:00 amOntario
17h 20m
2 stops
BCN8:20 amBarcelona-El Prat
$843
United Airlines
Jan 25
BCN9:55 amBarcelona-El Prat
21h 35m
2 stops
ONT10:30 pmOntario
Feb 3
ONT6:00 amOntario
17h 20m
2 stops
BCN8:20 amBarcelona-El Prat
$845

British Airways flights from Barcelona-El Prat Airport to Ontario

Our best British Airways deals on Barcelona-El Prat Airport to Ontario flight tickets
British Airways
Mar 18
BCN10:40 amBarcelona-El Prat
16h 02m
1 stop
ONT6:42 pmOntario
Apr 5
ONT10:34 amOntario
14h 36m
1 stop
BCN10:10 amBarcelona-El Prat
$872
British Airways
Nov 12
BCN10:50 amBarcelona-El Prat
16h 52m
1 stop
ONT6:42 pmOntario
Nov 16
ONT11:59 pmOntario
23h 51m
1 stop
BCN8:50 amBarcelona-El Prat
$875
British Airways
Nov 12
BCN10:50 amBarcelona-El Prat
16h 52m
1 stop
ONT6:42 pmOntario
Nov 16
ONT11:59 pmOntario
23h 51m
1 stop
BCN8:50 amBarcelona-El Prat
$876

momondo Fare Finder

 
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Fri 2/12

1:40 pm-8:50 pm

2 stops40h 10m

Ontario

Thu 2/25

10:45 pm-8:15 am

2 stops24h 30m

$816

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Mon 3/15

1:40 pm-9:50 pm

2 stops40h 10m

Ontario

Thu 4/1

11:35 pm-8:45 am

2 stops24h 10m

$820

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Tue 11/24

6:20 am-7:20 am

3 stops34h 00m

Ontario

Tue 12/1

8:00 am-3:55 pm

3 stops22h 55m

$821
Quickest round-trip

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Mon 2/15

10:50 am-10:14 pm

1 stop20h 24m

Ontario

Sun 2/28

7:00 am-8:40 am

1 stop16h 40m

$831

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Sat 2/13

10:50 am-10:14 pm

1 stop20h 24m

Ontario

Fri 2/26

7:00 am-8:40 am

1 stop16h 40m

$840

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Sat 1/23

9:55 am-8:01 pm

2 stops19h 06m

Ontario

Sat 1/30

5:00 am-8:20 am

2 stops18h 20m

$842

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Thu 1/21

6:50 am-8:25 pm

2 stops22h 35m

Ontario

Thu 1/28

6:00 am-8:20 am

2 stops17h 20m

$843

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Mon 1/25

9:55 am-10:30 pm

2 stops21h 35m

Ontario

Wed 2/3

6:00 am-8:20 am

2 stops17h 20m

$845

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Thu 1/14

5:45 am-8:25 pm

2 stops23h 40m

Ontario

Thu 2/4

7:00 am-9:35 am

2 stops17h 35m

$846

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Tue 11/24

6:20 am-12:24 am

2 stops27h 04m

Ontario

Tue 12/1

8:00 am-3:55 pm

3 stops22h 55m

$853

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Barcelona-El Prat Airport to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, December is the cheapest month to fly from Barcelona-El Prat Airport to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of December, then book flights to Ontario from Barcelona-El Prat Airport during January instead. Flights to Ontario in January, while not as cheap as those in December, still average around $0.

Can stopping save me money on Barcelona-El Prat Airport to Ontario flights?

You could potentially save up to 41% on your flight if you consider stops on a Barcelona-El Prat Airport to Ontario flight.

When to book flights from Barcelona-El Prat Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Barcelona-El Prat Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Barcelona-El Prat Airport to Ontario (BCN to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Barcelona-El Prat Airport to Ontario

Best Price Found

$393

Fastest flight time

16h 48m

Direct flights

None
The best one-way flight to Ontario from Barcelona-El Prat Airport in the past 72 hours is $393. The best round-trip flight deal from Barcelona-El Prat Airport to Ontario found on momondo in the last 72 hours is $816.
The fastest flight from Barcelona-El Prat Airport to Ontario takes 16h 48m
There are no direct flights from Barcelona-El Prat Airport to Ontario. There are no popular flight routes from Barcelona-El Prat Airport to Ontario.
Search flight deals

Frequently asked questions about flying from Barcelona-El Prat Airport to Ontario

  • How far is Barcelona-El Prat to Ontario by plane?

    The distance between Barcelona-El Prat and Ontario is about 5972.8 mi. Flights usually cover this in 16h 48m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Barcelona-El Prat Airport to Ontario Airport?

    Prices for flights from Barcelona-El Prat Airport to Ontario Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Barcelona-El Prat Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Barcelona-El Prat Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Barcelona to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Barcelona to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from Barcelona to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Barcelona with this policy.

How can momondo help me find flights from Barcelona to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from Barcelona. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Barcelona to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Barcelona are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 12/1
Tue 12/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States