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Cheap flights from Ontario to Barcelona from $359

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
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
$737Multiple 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
$786Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
12:01 pm - 6:10 pmONT  Ontario-BCN Barcelona-El Prat
21h 09m2 stops San Francisco Kastrup Copenhagen
Multiple Airlines Logo
7:00 pm - 7:40 pmBCN  Barcelona-El Prat-ONT Ontario
33h 40m2 stops Kastrup Copenhagen San Francisco
$801Multiple Airlines
Thu, Oct 15 - Wed, Oct 21
Multiple Airlines Logo
12:01 pm - 6:10 pmONT  Ontario-BCN Barcelona-El Prat
21h 09m2 stops San Francisco Kastrup Copenhagen
Multiple Airlines Logo
7:00 pm - 7:40 pmBCN  Barcelona-El Prat-ONT Ontario
33h 40m2 stops Kastrup Copenhagen San Francisco
$822Multiple Airlines
Thu, Oct 15 - Thu, Oct 22
United Airlines Logo
11:20 am - 8:20 amONT  Ontario-BCN Barcelona-El Prat
36h 00m2 stops San Francisco Newark
United Airlines Logo
1:35 pm - 8:20 pmBCN  Barcelona-El Prat-ONT Ontario
39h 45m3 stops Montreal Pierre Elliott Trudeau Intl Newark Denver Intl
$862United Airlines
Mon, Jan 11 - Fri, Jan 15
United Airlines Logo
6:53 pm - 8:20 amONT  Ontario-BCN Barcelona-El Prat
28h 27m2 stops San Francisco Newark
United Airlines Logo
1:35 pm - 8:20 pmBCN  Barcelona-El Prat-ONT Ontario
39h 45m3 stops Montreal Pierre Elliott Trudeau Intl Newark Denver Intl
$862United Airlines
Tue, Jan 12 - Fri, Jan 15
United Airlines Logo
11:20 am - 8:20 amONT  Ontario-BCN Barcelona-El Prat
36h 00m2 stops San Francisco Newark
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
$862United Airlines
Sun, Jan 10 - Fri, Jan 15
British Airways Logo
6:00 am - 8:50 amONT  Ontario-BCN Barcelona-El Prat
17h 50m1 stop Dallas/Fort Worth
British Airways Logo
8:55 am - 10:57 pmBCN  Barcelona-El Prat-ONT Ontario
23h 02m1 stop Dallas/Fort Worth
$965British Airways
Tue, Nov 10 - Tue, Nov 17
British Airways Logo
10:31 am - 9:10 amONT  Ontario-BCN Barcelona-El Prat
13h 39m1 stop Dallas/Fort Worth
British Airways Logo
10:40 am - 6:52 pmBCN  Barcelona-El Prat-ONT Ontario
16h 12m1 stop Dallas/Fort Worth
$973British Airways
Mon, Mar 8 - Wed, Mar 17
British Airways Logo
10:31 am - 10:10 amONT  Ontario-BCN Barcelona-El Prat
14h 39m1 stop Dallas/Fort Worth
British Airways Logo
10:45 am - 6:37 pmBCN  Barcelona-El Prat-ONT Ontario
16h 52m1 stop Dallas/Fort Worth
$989British Airways
Tue, Mar 30 - Thu, Apr 22

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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
Jan 10
ONT6:53 pmOntario
28h 27m
2 stops
BCN8:20 amBarcelona-El Prat
Jan 15
BCN1:35 pmBarcelona-El Prat
39h 45m
3 stops
ONT8:20 pmOntario
$862
United Airlines
Mar 1
ONT6:30 amOntario
42h 05m
2 stops
BCN9:35 amBarcelona-El Prat
Mar 5
BCN1:15 pmBarcelona-El Prat
38h 29m
2 stops
ONT6:44 pmOntario
$866
United Airlines
Jan 13
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
$881

Delta flights from Ontario to Barcelona-El Prat Airport

Our best Delta deals on Ontario to Barcelona-El Prat Airport flight tickets
Delta
Nov 16
ONT7:05 amOntario
16h 35m
1 stop
BCN8:40 amBarcelona-El Prat
Dec 3
BCN10:50 amBarcelona-El Prat
16h 48m
1 stop
ONT6:38 pmOntario
$873
Delta
Jan 17
ONT7:00 amOntario
16h 40m
1 stop
BCN8:40 amBarcelona-El Prat
Jan 22
BCN10:50 amBarcelona-El Prat
20h 24m
1 stop
ONT10:14 pmOntario
$878
Delta
Jan 13
ONT12:00 pmOntario
20h 00m
2 stops
BCN5:00 pmBarcelona-El Prat
Jan 18
BCN1:10 pmBarcelona-El Prat
36h 02m
2 stops
ONT4:12 pmOntario
$886

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

Tue 11/10

5:07 pm-1:40 pm

3 stops35h 33m

Barcelona-El Prat

Tue 11/17

12:25 pm-11:51 pm

2 stops20h 26m

$737

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 11/10

5:07 pm-1:40 pm

3 stops35h 33m

Barcelona-El Prat

Tue 11/17

12:25 pm-9:40 am

3 stops30h 15m

$786

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Thu 10/15

12:01 pm-6:10 pm

2 stops21h 09m

Barcelona-El Prat

Wed 10/21

7:00 pm-7:40 pm

2 stops33h 40m

$801

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Thu 10/15

12:01 pm-6:10 pm

2 stops21h 09m

Barcelona-El Prat

Thu 10/22

7:00 pm-7:40 pm

2 stops33h 40m

$822

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 1/11

11:20 am-8:20 am

2 stops36h 00m

Barcelona-El Prat

Fri 1/15

1:35 pm-8:20 pm

3 stops39h 45m

$862

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 1/12

6:53 pm-8:20 am

2 stops28h 27m

Barcelona-El Prat

Fri 1/15

1:35 pm-8:20 pm

3 stops39h 45m

$862

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Sun 1/10

11:20 am-8:20 am

2 stops36h 00m

Barcelona-El Prat

Fri 1/15

1:35 pm-6:44 pm

2 stops38h 09m

$862

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 11/10

6:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Tue 11/17

8:55 am-10:57 pm

1 stop23h 02m

$965
Quickest round-trip

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 3/8

10:31 am-9:10 am

1 stop13h 39m

Barcelona-El Prat

Wed 3/17

10:40 am-6:52 pm

1 stop16h 12m

$973

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 3/30

10:31 am-10:10 am

1 stop14h 39m

Barcelona-El Prat

Thu 4/22

10:45 am-6:37 pm

1 stop16h 52m

$989

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 typical price of a round-trip flight between Ontario and Barcelona-El Prat Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $1,111 to $1,411.
The lowest price recently found on this route was $737.

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 $879. 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 $1,033. 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

$359

Fastest flight time

14h 45m

Direct flights

None
The best one-way flight to Barcelona-El Prat Airport from Ontario in the past 72 hours is $359. The best round-trip flight deal from Ontario to Barcelona-El Prat Airport found on momondo in the last 72 hours is $737.
The fastest flight from Ontario to Barcelona-El Prat Airport takes 14h 45m
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 45m 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
8,242 reviews
Search British Airways flights
United AirlinesPriceFrom $892Free CancellationRating
7.4
10,259 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
Tossa de Mar
Cambrils
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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