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Cheap flights from Ontario to Barcelona from $400

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.
KLM Logo
7:05 am - 8:40 amONT  Ontario-BCN Barcelona-El Prat
16h 35m1 stop Atlanta Hartsfield-Jackson
KLM Logo
10:50 am - 8:59 pmBCN  Barcelona-El Prat-ONT Ontario
19h 09m1 stop Atlanta Hartsfield-Jackson
$722KLM
Tue, Dec 1 - Tue, Dec 8
KLM Logo
7:05 am - 8:40 amONT  Ontario-BCN Barcelona-El Prat
16h 35m1 stop Atlanta Hartsfield-Jackson
KLM Logo
10:50 am - 10:14 pmBCN  Barcelona-El Prat-ONT Ontario
20h 24m1 stop Atlanta Hartsfield-Jackson
$722KLM
Tue, Dec 8 - Wed, Jan 20
Delta Logo
11:10 pm - 8:40 amONT  Ontario-BCN Barcelona-El Prat
24h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:50 am - 8:59 pmBCN  Barcelona-El Prat-ONT Ontario
19h 09m1 stop Atlanta Hartsfield-Jackson
$722Delta
Mon, Nov 30 - Wed, Dec 9
Delta Logo
11:10 pm - 8:40 amONT  Ontario-BCN Barcelona-El Prat
24h 30m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:50 am - 8:59 pmBCN  Barcelona-El Prat-ONT Ontario
19h 09m1 stop Atlanta Hartsfield-Jackson
$722Delta
Sat, Nov 28 - Wed, Dec 9
United Airlines Logo
6:00 am - 9:35 amONT  Ontario-BCN Barcelona-El Prat
18h 35m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
11:00 am - 8:20 pmBCN  Barcelona-El Prat-ONT Ontario
18h 20m2 stops Newark Denver Intl
$725United Airlines
Tue, Dec 8 - Tue, Jan 19
United Airlines Logo
1:52 pm - 2:20 pmONT  Ontario-BCN Barcelona-El Prat
15h 28m1 stop San Francisco
United Airlines Logo
6:50 am - 6:01 pmBCN  Barcelona-El Prat-ONT Ontario
19h 11m2 stops Frankfurt am Main San Francisco
$726United Airlines
Tue, Oct 20 - Wed, Oct 28
United Airlines Logo
1:52 pm - 2:20 pmONT  Ontario-BCN Barcelona-El Prat
15h 28m1 stop San Francisco
United Airlines Logo
6:50 am - 8:51 pmBCN  Barcelona-El Prat-ONT Ontario
22h 01m2 stops Frankfurt am Main Denver Intl
$726United Airlines
Tue, Oct 20 - Thu, Oct 29
British Airways Logo
10:25 am - 10:10 amONT  Ontario-BCN Barcelona-El Prat
14h 45m1 stop Dallas/Fort Worth
British Airways Logo
10:45 am - 6:44 pmBCN  Barcelona-El Prat-ONT Ontario
16h 59m1 stop Dallas/Fort Worth
$862British Airways
Tue, Sep 29 - Tue, Oct 6
British Airways Logo
7:00 am - 7:55 amONT  Ontario-BCN Barcelona-El Prat
15h 55m1 stop Dallas/Fort Worth
British Airways Logo
10:40 am - 6:42 pmBCN  Barcelona-El Prat-ONT Ontario
17h 02m1 stop Dallas/Fort Worth
$873British Airways
Sun, Nov 8 - Fri, Nov 13
British Airways Logo
7:00 am - 7:55 amONT  Ontario-BCN Barcelona-El Prat
15h 55m1 stop Dallas/Fort Worth
British Airways Logo
10:40 am - 9:40 amBCN  Barcelona-El Prat-ONT Ontario
32h 00m1 stop Dallas/Fort Worth
$885British Airways
Sun, Nov 8 - Fri, Nov 13

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Delta flights from Ontario to Barcelona-El Prat Airport

Our best Delta deals on Ontario to Barcelona-El Prat Airport flight tickets
Delta
Dec 1
ONT7:05 amOntario
16h 35m
1 stop
BCN8:40 amBarcelona-El Prat
Dec 9
BCN10:50 amBarcelona-El Prat
19h 09m
1 stop
ONT8:59 pmOntario
$722
Delta
Feb 1
ONT7:00 amOntario
16h 35m
2 stops
BCN8:35 amBarcelona-El Prat
Feb 26
BCN10:50 amBarcelona-El Prat
20h 24m
1 stop
ONT10:14 pmOntario
$732
Delta
Nov 8
ONT11:15 pmOntario
24h 25m
1 stop
BCN8:40 amBarcelona-El Prat
Nov 17
BCN6:00 amBarcelona-El Prat
19h 24m
2 stops
ONT4:24 pmOntario
$749

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
Dec 8
ONT6:00 amOntario
18h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Jan 19
BCN11:00 amBarcelona-El Prat
18h 20m
2 stops
ONT8:20 pmOntario
$725
United Airlines
Oct 20
ONT1:52 pmOntario
15h 28m
1 stop
BCN2:20 pmBarcelona-El Prat
Oct 29
BCN6:50 amBarcelona-El Prat
22h 01m
2 stops
ONT8:51 pmOntario
$726
United Airlines
Oct 19
ONT6:32 pmOntario
28h 48m
2 stops
BCN8:20 amBarcelona-El Prat
Oct 28
BCN3:10 pmBarcelona-El Prat
29h 19m
2 stops
ONT12:29 pmOntario
$727

momondo Fare Finder

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

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Route

Depart

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Price

Cheapest round-trip

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 12/1

7:05 am-8:40 am

1 stop16h 35m

Barcelona-El Prat

Tue 12/8

10:50 am-8:59 pm

1 stop19h 09m

$722

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 12/8

7:05 am-8:40 am

1 stop16h 35m

Barcelona-El Prat

Wed 1/20

10:50 am-10:14 pm

1 stop20h 24m

$722

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 11/30

11:10 pm-8:40 am

1 stop24h 30m

Barcelona-El Prat

Wed 12/9

10:50 am-8:59 pm

1 stop19h 09m

$722

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Sat 11/28

11:10 pm-8:40 am

1 stop24h 30m

Barcelona-El Prat

Wed 12/9

10:50 am-8:59 pm

1 stop19h 09m

$722

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 12/8

6:00 am-9:35 am

2 stops18h 35m

Barcelona-El Prat

Tue 1/19

11:00 am-8:20 pm

2 stops18h 20m

$725

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 10/20

1:52 pm-2:20 pm

1 stop15h 28m

Barcelona-El Prat

Wed 10/28

6:50 am-6:01 pm

2 stops19h 11m

$726

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 10/20

1:52 pm-2:20 pm

1 stop15h 28m

Barcelona-El Prat

Thu 10/29

6:50 am-8:51 pm

2 stops22h 01m

$726
Quickest round-trip

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 9/29

10:25 am-10:10 am

1 stop14h 45m

Barcelona-El Prat

Tue 10/6

10:45 am-6:44 pm

1 stop16h 59m

$862

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Sun 11/8

7:00 am-7:55 am

1 stop15h 55m

Barcelona-El Prat

Fri 11/13

10:40 am-6:42 pm

1 stop17h 02m

$873

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Sun 11/8

7:00 am-7:55 am

1 stop15h 55m

Barcelona-El Prat

Fri 11/13

10:40 am-9:40 am

1 stop32h 00m

$885

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 $824.

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 Tuesday when prices can be found for as low as $872. 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 $1,024. 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 17% 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

$400

Fastest flight time

14h 39m

Direct flights

None
The best one-way flight to Barcelona-El Prat Airport from Ontario in the past 72 hours is $400. The best round-trip flight deal from Ontario to Barcelona-El Prat Airport found on momondo in the last 72 hours is $722.
The fastest flight from Ontario to Barcelona-El Prat Airport takes 14h 39m
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 39m 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
8,229 reviews
Search British Airways flights
United AirlinesPriceFrom $892Free CancellationRating
7.4
10,217 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
Castelldefels
El Prat de Llobregat
L'Hospitalet de Llobregat
Tossa de Mar
Calella
Cambrils
Badalona
Roses
Cadaques
Calella de Palafrugell
Santa Susanna
Empuriabrava
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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