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Cheap flights from Ontario to Barcelona from $358

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
6:00 am - 4:20 pmONT  Ontario-BCN Barcelona-El Prat
25h 20m3 stops Denver Intl Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
9:10 pm - 11:23 pmBCN  Barcelona-El Prat-ONT Ontario
35h 13m2 stops Lisbon Humberto Delgado San Francisco
$729Multiple Airlines
Wed, Dec 9 - Fri, Dec 11
Multiple Airlines Logo
11:15 am - 1:15 pmONT  Ontario-BCN Barcelona-El Prat
17h 00m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
2:15 pm - 10:30 pmBCN  Barcelona-El Prat-ONT Ontario
41h 15m2 stops Reykjavik Keflavik Intl Denver Intl
$845Multiple Airlines
Wed, Jan 27 - Thu, Feb 4
Multiple Airlines Logo
8:00 am - 11:45 pmONT  Ontario-BCN Barcelona-El Prat
30h 45m3 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
$845Multiple Airlines
Wed, Dec 2 - Mon, Dec 7
Multiple Airlines Logo
11:15 am - 1:15 pmONT  Ontario-BCN Barcelona-El Prat
17h 00m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
2:15 pm - 10:30 pmBCN  Barcelona-El Prat-ONT Ontario
41h 15m2 stops Reykjavik Keflavik Intl Denver Intl
$846Multiple Airlines
Wed, Feb 17 - Thu, Mar 4
British Airways Logo
11:59 pm - 9:10 amONT  Ontario-BCN Barcelona-El Prat
24h 11m1 stop Dallas/Fort Worth
British Airways Logo
10:40 am - 9:42 amBCN  Barcelona-El Prat-ONT Ontario
31h 02m1 stop Dallas/Fort Worth
$868British Airways
Sat, Mar 13 - Tue, Mar 23
United Airlines Logo
11:27 am - 9:00 amONT  Ontario-BCN Barcelona-El Prat
36h 33m2 stops San Francisco Washington, D.C. Dulles Intl
United Airlines Logo
1:35 pm - 6:42 pmBCN  Barcelona-El Prat-ONT Ontario
38h 07m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$872United Airlines
Sun, Feb 14 - Thu, Feb 18
United Airlines Logo
11:27 am - 8:20 amONT  Ontario-BCN Barcelona-El Prat
35h 53m2 stops San Francisco Newark
United Airlines Logo
1:35 pm - 6:42 pmBCN  Barcelona-El Prat-ONT Ontario
38h 07m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$872United Airlines
Sun, Feb 14 - Thu, Feb 18
British Airways Logo
2:08 pm - 10:30 pmONT  Ontario-BCN Barcelona-El Prat
23h 22m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
10:45 am - 10:35 pmBCN  Barcelona-El Prat-ONT Ontario
20h 50m1 stop Dallas/Fort Worth
$882British Airways
Mon, Apr 26 - Tue, May 4
British Airways Logo
2:08 pm - 10:30 pmONT  Ontario-BCN Barcelona-El Prat
23h 22m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
10:45 am - 10:35 pmBCN  Barcelona-El Prat-ONT Ontario
20h 50m1 stop Dallas/Fort Worth
$883British Airways
Mon, Apr 26 - Tue, May 4
United Airlines Logo
5:00 am - 9:35 amONT  Ontario-BCN Barcelona-El Prat
19h 35m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
6:50 am - 8:01 pmBCN  Barcelona-El Prat-ONT Ontario
22h 11m2 stops Frankfurt am Main San Francisco
$888United Airlines
Wed, Dec 30 - Wed, Jan 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
Apr 26
ONT12:00 pmOntario
15h 50m
1 stop
BCN12:50 pmBarcelona-El Prat
May 4
BCN6:20 amBarcelona-El Prat
26h 28m
2 stops
ONT11:48 pmOntario
$891
Delta
Feb 13
ONT1:04 pmOntario
34h 36m
1 stop
BCN8:40 amBarcelona-El Prat
Feb 22
BCN1:10 pmBarcelona-El Prat
42h 29m
2 stops
ONT10:39 pmOntario
$899
Delta
Feb 13
ONT3:33 pmOntario
38h 22m
2 stops
BCN2:55 pmBarcelona-El Prat
Feb 22
BCN1:10 pmBarcelona-El Prat
36h 25m
2 stops
ONT4:35 pmOntario
$902

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
Mar 13
ONT11:59 pmOntario
24h 11m
1 stop
BCN9:10 amBarcelona-El Prat
Mar 23
BCN10:40 amBarcelona-El Prat
31h 02m
1 stop
ONT9:42 amOntario
$868
British Airways
Apr 26
ONT2:08 pmOntario
23h 22m
2 stops
BCN10:30 pmBarcelona-El Prat
May 4
BCN10:45 amBarcelona-El Prat
20h 50m
1 stop
ONT10:35 pmOntario
$882
British Airways
Apr 26
ONT2:08 pmOntario
23h 22m
2 stops
BCN10:30 pmBarcelona-El Prat
May 4
BCN10:45 amBarcelona-El Prat
20h 50m
1 stop
ONT10:35 pmOntario
$883

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

Wed 12/9

6:00 am-4:20 pm

3 stops25h 20m

Barcelona-El Prat

Fri 12/11

9:10 pm-11:23 pm

2 stops35h 13m

$729

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Wed 1/27

11:15 am-1:15 pm

2 stops17h 00m

Barcelona-El Prat

Thu 2/4

2:15 pm-10:30 pm

2 stops41h 15m

$845

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Wed 12/2

8:00 am-11:45 pm

3 stops30h 45m

Barcelona-El Prat

Mon 12/7

6:45 am-11:23 pm

2 stops25h 38m

$845

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Wed 2/17

11:15 am-1:15 pm

2 stops17h 00m

Barcelona-El Prat

Thu 3/4

2:15 pm-10:30 pm

2 stops41h 15m

$846

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Sat 3/13

11:59 pm-9:10 am

1 stop24h 11m

Barcelona-El Prat

Tue 3/23

10:40 am-9:42 am

1 stop31h 02m

$868

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Sun 2/14

11:27 am-9:00 am

2 stops36h 33m

Barcelona-El Prat

Thu 2/18

1:35 pm-6:42 pm

2 stops38h 07m

$872

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Sun 2/14

11:27 am-8:20 am

2 stops35h 53m

Barcelona-El Prat

Thu 2/18

1:35 pm-6:42 pm

2 stops38h 07m

$872

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 4/26

2:08 pm-10:30 pm

2 stops23h 22m

Barcelona-El Prat

Tue 5/4

10:45 am-10:35 pm

1 stop20h 50m

$882

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 4/26

2:08 pm-10:30 pm

2 stops23h 22m

Barcelona-El Prat

Tue 5/4

10:45 am-10:35 pm

1 stop20h 50m

$883
Quickest round-trip

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Wed 12/30

5:00 am-9:35 am

2 stops19h 35m

Barcelona-El Prat

Wed 1/13

6:50 am-8:01 pm

2 stops22h 11m

$888

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 December. 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 December, then book flights to Barcelona-El Prat Airport from Ontario during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in December, still average around $0.

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 $863. 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

$358

Fastest flight time

13h 36m

Direct flights

None
The best one-way flight to Barcelona-El Prat Airport from Ontario in the past 72 hours is $358. The best round-trip flight deal from Ontario to Barcelona-El Prat Airport found on momondo in the last 72 hours is $729.
The fastest flight from Ontario to Barcelona-El Prat Airport takes 13h 36m
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. 13h 36m 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
8,280 reviews
Search British Airways flights
United AirlinesPriceFrom $893Free CancellationRating
7.3
10,478 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
Castelldefels
L'Hospitalet de Llobregat
Cambrils
Tossa de Mar
Badalona
Calella
Roses
Empuriabrava
Cadaques
Calella de Palafrugell
Santa Susanna
Malgrat de Mar
L'Estartit
Pals
Pineda de Mar

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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