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Cheap flights from Ontario to Barcelona from $323

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.
Delta Logo
6:00 pm - 11:10 amONT  Ontario-BCN Barcelona-El Prat
32h 10m1 stop Seattle/Tacoma Intl
Delta Logo
10:55 am - 11:55 pmBCN  Barcelona-El Prat-ONT Ontario
22h 00m2 stops New York John F Kennedy Intl Salt Lake City
$700Delta
Mon, Sep 21 - Wed, Oct 7
KLM Logo
12:19 pm - 12:50 pmONT  Ontario-BCN Barcelona-El Prat
15h 31m1 stop Atlanta Hartsfield-Jackson
KLM Logo
1:20 pm - 10:43 pmBCN  Barcelona-El Prat-ONT Ontario
18h 23m1 stop Seattle/Tacoma Intl
$700KLM
Mon, Sep 21 - Wed, Oct 7
Delta Logo
12:19 pm - 12:50 pmONT  Ontario-BCN Barcelona-El Prat
15h 31m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:20 pm - 10:40 pmBCN  Barcelona-El Prat-ONT Ontario
18h 20m1 stop Seattle/Tacoma Intl
$707Delta
Mon, Sep 21 - Wed, Sep 30
Delta Logo
6:00 am - 11:10 amONT  Ontario-BCN Barcelona-El Prat
20h 10m1 stop Seattle/Tacoma Intl
Delta Logo
11:00 am - 8:25 pmBCN  Barcelona-El Prat-ONT Ontario
18h 25m1 stop Atlanta Hartsfield-Jackson
$707Delta
Tue, Sep 29 - Wed, Oct 21
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 - 8:15 pmBCN  Barcelona-El Prat-ONT Ontario
21h 25m2 stops Frankfurt am Main San Francisco
$877United Airlines
Tue, Oct 20 - Tue, Oct 27
United Airlines Logo
5:00 am - 1:15 pmONT  Ontario-BCN Barcelona-El Prat
24h 15m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
3:10 pm - 8:15 pmBCN  Barcelona-El Prat-ONT Ontario
37h 05m2 stops Chicago O'Hare Intl San Francisco
$878United Airlines
Mon, Oct 26 - Thu, Oct 29
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
11:00 am - 8:20 pmBCN  Barcelona-El Prat-ONT Ontario
18h 20m2 stops Newark Denver Intl
$882United Airlines
Wed, Jan 27 - Wed, Feb 10
British Airways Logo
6:00 am - 10:10 amONT  Ontario-BCN Barcelona-El Prat
19h 10m1 stop Dallas/Fort Worth
British Airways Logo
10:40 am - 6:42 pmBCN  Barcelona-El Prat-ONT Ontario
17h 02m1 stop Dallas/Fort Worth
$916British Airways
Fri, Oct 23 - Fri, Nov 6
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
$965British Airways
Mon, Sep 28 - Wed, Oct 7
British Airways Logo
10:25 am - 9:50 amONT  Ontario-BCN Barcelona-El Prat
14h 25m1 stop Dallas/Fort Worth
British Airways Logo
10:40 am - 6:42 pmBCN  Barcelona-El Prat-ONT Ontario
17h 02m1 stop Dallas/Fort Worth
$973British Airways
Sat, Oct 24 - Sat, Nov 7

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American Airlines flights from Ontario to Barcelona-El Prat Airport

Our best American Airlines deals on Ontario to Barcelona-El Prat Airport flight tickets
American Airlines
Oct 26
ONT4:29 pmOntario
17h 26m
2 stops
BCN5:55 pmBarcelona-El Prat
Oct 29
BCN10:25 amBarcelona-El Prat
16h 19m
1 stop
ONT6:44 pmOntario
$870
American Airlines
Oct 26
ONT11:59 pmOntario
24h 51m
1 stop
BCN8:50 amBarcelona-El Prat
Oct 29
BCN10:25 amBarcelona-El Prat
16h 19m
1 stop
ONT6:44 pmOntario
$880

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
Oct 20
ONT1:52 pmOntario
15h 28m
1 stop
BCN2:20 pmBarcelona-El Prat
Oct 27
BCN6:50 amBarcelona-El Prat
21h 25m
2 stops
ONT8:15 pmOntario
$877
United Airlines
Oct 26
ONT5:00 amOntario
24h 15m
2 stops
BCN1:15 pmBarcelona-El Prat
Oct 29
BCN3:10 pmBarcelona-El Prat
37h 05m
2 stops
ONT8:15 pmOntario
$878
United Airlines
Jan 27
ONT5:00 amOntario
19h 35m
2 stops
BCN9:35 amBarcelona-El Prat
Feb 10
BCN11:00 amBarcelona-El Prat
18h 20m
2 stops
ONT8:20 pmOntario
$882

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

Mon 9/21

6:00 pm-11:10 am

1 stop32h 10m

Barcelona-El Prat

Wed 10/7

10:55 am-11:55 pm

2 stops22h 00m

$700

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 9/21

12:19 pm-12:50 pm

1 stop15h 31m

Barcelona-El Prat

Wed 10/7

1:20 pm-10:43 pm

1 stop18h 23m

$700

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 9/21

12:19 pm-12:50 pm

1 stop15h 31m

Barcelona-El Prat

Wed 9/30

1:20 pm-10:40 pm

1 stop18h 20m

$707

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 9/29

6:00 am-11:10 am

1 stop20h 10m

Barcelona-El Prat

Wed 10/21

11:00 am-8:25 pm

1 stop18h 25m

$707

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Tue 10/20

1:52 pm-2:20 pm

1 stop15h 28m

Barcelona-El Prat

Tue 10/27

6:50 am-8:15 pm

2 stops21h 25m

$877

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 10/26

5:00 am-1:15 pm

2 stops24h 15m

Barcelona-El Prat

Thu 10/29

3:10 pm-8:15 pm

2 stops37h 05m

$878

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Wed 1/27

5:00 am-9:35 am

2 stops19h 35m

Barcelona-El Prat

Wed 2/10

11:00 am-8:20 pm

2 stops18h 20m

$882

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Fri 10/23

6:00 am-10:10 am

1 stop19h 10m

Barcelona-El Prat

Fri 11/6

10:40 am-6:42 pm

1 stop17h 02m

$916

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Mon 9/28

10:25 am-10:10 am

1 stop14h 45m

Barcelona-El Prat

Wed 10/7

10:45 am-6:44 pm

1 stop16h 59m

$965
Quickest round-trip

OntarioBarcelona

ONT Ontario - BCN Barcelona-El Prat

ONTBCN

Ontario

Sat 10/24

10:25 am-9:50 am

1 stop14h 25m

Barcelona-El Prat

Sat 11/7

10:40 am-6:42 pm

1 stop17h 02m

$973

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $878. 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 $1,016. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

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

Flying to Barcelona-El Prat Airport from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $704 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $955 on average. Flights to Barcelona-El Prat Airport from Ontario in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You could potentially save up to 42% 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

$323

Fastest flight time

13h 39m

Direct flights

None
The best one-way flight to Barcelona-El Prat Airport from Ontario in the past 72 hours is $323. The best round-trip flight deal from Ontario to Barcelona-El Prat Airport found on momondo in the last 72 hours is $700.
The fastest flight from Ontario to Barcelona-El Prat Airport takes 13h 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. 13h 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
8,198 reviews
Search British Airways flights
United AirlinesPriceFrom $874Free CancellationRating
7.4
10,160 reviews
Search United Airlines flights

Traveling to a place near Barcelona?

Book flights to Barcelona if you plan to visit one of these locations
Lloret de Mar
Sitges
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
L'Estartit
Pals
Malgrat de Mar
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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