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Cheap flights from Ontario to Barcelona from $291

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:15 am - 8:20 pmONT  Ontario-BCN Barcelona-El Prat
27h 05m3 stops Las Vegas Harry Reid Intl San Francisco Lisbon Humberto Delgado
Multiple Airlines Logo
6:45 am - 11:23 pmBCN  Barcelona-El Prat-ONT Ontario
25h 38m2 stops Lisbon Humberto Delgado San Francisco
$756Multiple Airlines
Fri, Nov 27 - Fri, Dec 11
Multiple Airlines Logo
6:00 am - 4:20 pmONT  Ontario-BCN Barcelona-El Prat
25h 20m3 stops Denver Intl Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
6:45 am - 11:23 pmBCN  Barcelona-El Prat-ONT Ontario
25h 38m2 stops Lisbon Humberto Delgado San Francisco
$763Multiple Airlines
Wed, Dec 2 - Mon, Dec 14
Multiple Airlines Logo
8:44 am - 8:20 pmONT  Ontario-BCN Barcelona-El Prat
26h 36m3 stops Las Vegas Harry Reid Intl San Francisco Lisbon Humberto Delgado
Multiple Airlines Logo
6:45 am - 11:23 pmBCN  Barcelona-El Prat-ONT Ontario
25h 38m2 stops Lisbon Humberto Delgado San Francisco
$782Multiple Airlines
Wed, Dec 9 - Mon, Dec 14
Multiple Airlines Logo
6:00 am - 7:05 pmONT  Ontario-BCN Barcelona-El Prat
28h 05m3 stops Denver Intl Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
6:45 am - 11:23 pmBCN  Barcelona-El Prat-ONT Ontario
25h 38m2 stops Lisbon Humberto Delgado San Francisco
$786Multiple Airlines
Fri, Dec 4 - Fri, Dec 11
United Airlines Logo
11:27 am - 8:20 amONT  Ontario-BCN Barcelona-El Prat
35h 53m2 stops San Francisco Newark
United Airlines Logo
1:15 pm - 10:15 pmBCN  Barcelona-El Prat-ONT Ontario
42h 00m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$877United Airlines
Mon, Mar 1 - Fri, Mar 5
British Airways Logo
7:30 am - 10:10 amONT  Ontario-BCN Barcelona-El Prat
17h 40m1 stop Dallas/Fort Worth
British Airways Logo
10:45 am - 11:46 pmBCN  Barcelona-El Prat-ONT Ontario
22h 01m1 stop Dallas/Fort Worth
$885British Airways
Mon, Apr 26 - Tue, May 4
United Airlines Logo
5:00 am - 8:20 amONT  Ontario-BCN Barcelona-El Prat
18h 20m2 stops Denver Intl Washington, D.C. Dulles Intl
United Airlines Logo
4:10 pm - 11:06 pmBCN  Barcelona-El Prat-ONT Ontario
15h 56m1 stop San Francisco
$888United Airlines
Mon, Apr 26 - Tue, May 4
British Airways Logo
10:59 am - 10:10 amONT  Ontario-BCN Barcelona-El Prat
14h 11m1 stop Dallas/Fort Worth
British Airways Logo
10:45 am - 6:37 pmBCN  Barcelona-El Prat-ONT Ontario
16h 52m1 stop Dallas/Fort Worth
$888British Airways
Wed, Apr 14 - Wed, Apr 21
United Airlines Logo
6:53 pm - 8:00 amONT  Ontario-BCN Barcelona-El Prat
28h 07m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
4:10 pm - 11:06 pmBCN  Barcelona-El Prat-ONT Ontario
15h 56m1 stop San Francisco
$891United Airlines
Mon, Apr 26 - Tue, May 4
British Airways Logo
6:00 am - 10:10 amONT  Ontario-BCN Barcelona-El Prat
19h 10m1 stop Dallas/Fort Worth
British Airways Logo
10:45 am - 6:37 pmBCN  Barcelona-El Prat-ONT Ontario
16h 52m1 stop Dallas/Fort Worth
$903British Airways
Mon, Apr 26 - Tue, May 4

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British Airways flights from Ontario to Barcelona-El Prat Airport

Our best British Airways deals on Ontario to Barcelona-El Prat Airport flight tickets
British Airways
Apr 26
ONT7:30 amOntario
17h 40m
1 stop
BCN10:10 amBarcelona-El Prat
May 4
BCN10:45 amBarcelona-El Prat
22h 01m
1 stop
ONT11:46 pmOntario
$885
British Airways
Apr 26
ONT6:00 amOntario
19h 10m
1 stop
BCN10:10 amBarcelona-El Prat
May 4
BCN10:45 amBarcelona-El Prat
16h 52m
1 stop
ONT6:37 pmOntario
$903
British Airways
Mar 1
ONT2:29 pmOntario
18h 26m
2 stops
BCN5:55 pmBarcelona-El Prat
Mar 15
BCN10:40 amBarcelona-El Prat
16h 02m
1 stop
ONT6:42 pmOntario
$927

United Airlines flights from Ontario to Barcelona-El Prat Airport

Our best United Airlines deals on Ontario to Barcelona-El Prat Airport flight tickets
United Airlines
Mar 1
ONT11:27 amOntario
35h 53m
2 stops
BCN8:20 amBarcelona-El Prat
Mar 5
BCN1:15 pmBarcelona-El Prat
42h 00m
2 stops
ONT10:15 pmOntario
$877
United Airlines
Apr 26
ONT5:00 amOntario
18h 20m
2 stops
BCN8:20 amBarcelona-El Prat
May 4
BCN4:10 pmBarcelona-El Prat
15h 56m
1 stop
ONT11:06 pmOntario
$888
United Airlines
Apr 26
ONT6:53 pmOntario
28h 07m
2 stops
BCN8:00 amBarcelona-El Prat
May 4
BCN4:10 pmBarcelona-El Prat
15h 56m
1 stop
ONT11:06 pmOntario
$891

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Fri 11/27

8:15 am-8:20 pm

3 stops27h 05m

Barcelona-El Prat

Fri 12/11

6:45 am-11:23 pm

2 stops25h 38m

$756

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Wed 12/2

6:00 am-4:20 pm

3 stops25h 20m

Barcelona-El Prat

Mon 12/14

6:45 am-11:23 pm

2 stops25h 38m

$763

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Wed 12/9

8:44 am-8:20 pm

3 stops26h 36m

Barcelona-El Prat

Mon 12/14

6:45 am-11:23 pm

2 stops25h 38m

$782

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Fri 12/4

6:00 am-7:05 pm

3 stops28h 05m

Barcelona-El Prat

Fri 12/11

6:45 am-11:23 pm

2 stops25h 38m

$786

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 3/1

11:27 am-8:20 am

2 stops35h 53m

Barcelona-El Prat

Fri 3/5

1:15 pm-10:15 pm

2 stops42h 00m

$877

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 4/26

7:30 am-10:10 am

1 stop17h 40m

Barcelona-El Prat

Tue 5/4

10:45 am-11:46 pm

1 stop22h 01m

$885

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 4/26

5:00 am-8:20 am

2 stops18h 20m

Barcelona-El Prat

Tue 5/4

4:10 pm-11:06 pm

1 stop15h 56m

$888
Quickest round-trip

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Wed 4/14

10:59 am-10:10 am

1 stop14h 11m

Barcelona-El Prat

Wed 4/21

10:45 am-6:37 pm

1 stop16h 52m

$888

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 4/26

6:53 pm-8:00 am

2 stops28h 07m

Barcelona-El Prat

Tue 5/4

4:10 pm-11:06 pm

1 stop15h 56m

$891

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 4/26

6:00 am-10:10 am

1 stop19h 10m

Barcelona-El Prat

Tue 5/4

10:45 am-6:37 pm

1 stop16h 52m

$903

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Barcelona from

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

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 Barcelona-El Prat Airport?

The cheapest month to fly to Barcelona-El Prat Airport from Ontario is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Barcelona-El Prat Airport from Ontario during November instead. Flights to Barcelona-El Prat Airport in November, while not as cheap as those in January, still average around $682.

What is the cheapest day to depart on your flight to Barcelona-El Prat Airport?

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Sunday when prices can be found for as low as $866. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,043. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

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

You could potentially save up to 55% on your flight if you consider stops on a Ontario to Barcelona-El Prat Airport flight.

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

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

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

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

Best Price Found

$291

Fastest flight time

14h 11m

Direct flights

None
The best one-way flight to Barcelona-El Prat Airport from Ontario in the past 72 hours is $291. The best round-trip flight deal from Ontario to Barcelona-El Prat Airport found on momondo in the last 72 hours is $756.
The fastest flight from Ontario to Barcelona-El Prat Airport takes 14h 11m
There are no direct flights from Ontario to Barcelona-El Prat Airport. There are no popular flight routes from Ontario to Barcelona-El Prat Airport.
Search flight deals

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

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

    Barcelona-El Prat is 5972.8 mi away from Ontario. 14h 11m is a normal flight duration for this route.

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

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

  • How many operators does momondo search for flights from Ontario Airport to Barcelona-El Prat Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Barcelona-El Prat Airport.

  • What documentation or ID do you need to fly to Barcelona-El Prat Airport?

    The required travel and health documents for your Barcelona-El Prat Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona-El Prat Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Ontario to Barcelona-El Prat Airport?

Best airlines flying from Ontario to Barcelona-El Prat Airport

Compare and see reviews for airlines that fly from Ontario to Barcelona-El Prat Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $820Free CancellationRating
6.7
8,277 reviews
Search British Airways flights
United AirlinesPriceFrom $893Free CancellationRating
7.3
10,461 reviews
Search United Airlines flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Sitges
Lloret de Mar
Salou
Tarragona
El Prat de Llobregat
L'Hospitalet de Llobregat
Castelldefels
Cambrils
Tossa de Mar
Calella
Badalona
Roses
Empuriabrava
Cadaques
Calella de Palafrugell
Santa Susanna
Malgrat de Mar
L'Estartit
Pals
La Pineda

Why use momondo?

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

It is quick and easy to find Ontario to Barcelona flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Barcelona that suits you.

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

All flight searches from Ontario to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Barcelona.

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

Of course. momondo tracks the price of Ontario to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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