What airlines fly to Barcelona-El Prat Airport?

Iberia, LEVEL and LEVEL are the top three most popular airlines that fly to Barcelona-El Prat Airport from Ontario according to our data. Iberia is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 21 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Ontario and Barcelona-El Prat Airport?

Dallas (DFW) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Ontario to Barcelona-El Prat?

United Airlines and KLM are the most popular carriers operating from Ontario to Barcelona-El Prat

Which layover airport has the shortest travel time from Ontario to Barcelona-El Prat Airport?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 14h 15m.

Which layover airport has the shortest connection time from Ontario to Barcelona-El Prat Airport?

Dallas (DFW) has the shortest average layover time for this route: 2h 12m.

Which layover airport offers the lowest fares from Ontario to Barcelona-El Prat Airport?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $842.

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?

As of May 2026, there are 3 operators available to choose from 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.

$433 Cheap Flights from Ontario to Barcelona-El Prat Airport in 2026

Q: 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 $1,348 to $967. The lowest price recently found on this route was $964.

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Find the cheapest flights from Ontario to Barcelona

Round-trip

One-way

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Enter your travel dates to find the best prices.

7:10 am - 4:05 pm

ONT

BCN

23h 55m

2 stops

8:00 am - 8:24 pm

BCN

ONT

21h 24m

2 stops

$964Multiple Airlines

Thu, Sep 3 - Thu, Sep 10

11:15 am - 10:10 pm

ONT

BCN

25h 55m

2 stops

8:00 am - 8:47 pm

BCN

ONT

21h 47m

2 stops

$1,012Multiple Airlines

Sat, May 23 - Thu, Jun 4

10:45 am - 4:05 pm

ONT

BCN

20h 20m

2 stops

8:00 am - 5:10 pm

BCN

ONT

18h 10m

2 stops

$1,028Multiple Airlines

Sat, Aug 22 - Sat, Sep 5

6:45 am - 12:30 pm

ONT

BCN

20h 45m

2 stops

1:50 pm - 9:45 pm

BCN

ONT

40h 55m

2 stops

$1,032Multiple Airlines

Sat, May 16 - Fri, May 22

11:15 am - 4:00 pm

ONT

BCN

19h 45m

2 stops

8:00 am - 8:47 pm

BCN

ONT

21h 47m

2 stops

$1,043Multiple Airlines

Mon, Jun 1 - Tue, Jun 9

11:20 am - 2:20 pm

ONT

BCN

18h 00m

1 stop

12:15 pm - 10:26 pm

BCN

ONT

43h 11m

2 stops

$1,045United Airlines

Mon, Oct 12 - Wed, Oct 21

1:49 pm - 8:00 am

ONT

BCN

33h 11m

2 stops

12:15 pm - 10:59 pm

BCN

ONT

43h 44m

2 stops

$1,049Air Canada

Mon, Oct 12 - Wed, Oct 21

10:25 am - 10:10 am

ONT

BCN

14h 45m

1 stop

10:40 am - 6:22 pm

BCN

ONT

16h 42m

1 stop

$1,052British Airways

Wed, Oct 21 - Fri, Nov 6

11:05 am - 10:10 pm

ONT

BCN

26h 05m

2 stops

8:00 am - 8:10 pm

BCN

ONT

21h 10m

2 stops

$1,056Multiple Airlines

Sun, May 31 - Thu, Jun 4

1:18 pm - 8:00 am

ONT

BCN

33h 42m

3 stops

12:35 pm - 10:26 pm

BCN

ONT

41h 51m

2 stops

$1,057Multiple Airlines

Mon, Oct 19 - Wed, Oct 28

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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

Oct 12

ONT11:20 amOntario

18h 00m

1 stop

BCN2:20 pmBarcelona-El Prat

Oct 21

BCN12:15 pmBarcelona-El Prat

43h 11m

2 stops

ONT10:26 pmOntario

$1,045

United Airlines

Oct 19

ONT7:00 amOntario

21h 15m

1 stop

BCN1:15 pmBarcelona-El Prat

Nov 10

BCN3:05 pmBarcelona-El Prat

16h 21m

1 stop

ONT10:26 pmOntario

$1,065

United Airlines

Oct 7

ONT6:05 amOntario

23h 15m

1 stop

BCN2:20 pmBarcelona-El Prat

Oct 18

BCN12:15 pmBarcelona-El Prat

38h 36m

2 stops

ONT5:51 pmOntario

$1,095

Air Canada flights from Ontario to Barcelona-El Prat Airport

Our best Air Canada deals on Ontario to Barcelona-El Prat Airport flight tickets

Air Canada

Oct 12

ONT1:49 pmOntario

33h 11m

2 stops

BCN8:00 amBarcelona-El Prat

Oct 21

BCN12:15 pmBarcelona-El Prat

43h 44m

2 stops

ONT10:59 pmOntario

$1,049

Air Canada

Sep 24

ONT6:05 amOntario

40h 55m

2 stops

BCN8:00 amBarcelona-El Prat

Oct 13

BCN12:15 pmBarcelona-El Prat

41h 37m

2 stops

ONT8:52 pmOntario

$1,099

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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Thu 9/3

7:10 am-4:05 pm

2 stops23h 55m

Barcelona-El Prat

Thu 9/10

8:00 am-8:24 pm

2 stops21h 24m

$964

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sat 5/23

11:15 am-10:10 pm

2 stops25h 55m

Barcelona-El Prat

Thu 6/4

8:00 am-8:47 pm

2 stops21h 47m

$1,012

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sat 8/22

10:45 am-4:05 pm

2 stops20h 20m

Barcelona-El Prat

Sat 9/5

8:00 am-5:10 pm

2 stops18h 10m

$1,028

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sat 5/16

6:45 am-12:30 pm

2 stops20h 45m

Barcelona-El Prat

Fri 5/22

1:50 pm-9:45 pm

2 stops40h 55m

$1,032

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Mon 6/1

11:15 am-4:00 pm

2 stops19h 45m

Barcelona-El Prat

Tue 6/9

8:00 am-8:47 pm

2 stops21h 47m

$1,043

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Mon 10/12

11:20 am-2:20 pm

1 stop18h 00m

Barcelona-El Prat

Wed 10/21

12:15 pm-10:26 pm

2 stops43h 11m

$1,045

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Mon 10/12

1:49 pm-8:00 am

2 stops33h 11m

Barcelona-El Prat

Wed 10/21

12:15 pm-10:59 pm

2 stops43h 44m

$1,049

Quickest round-trip

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Wed 10/21

10:25 am-10:10 am

1 stop14h 45m

Barcelona-El Prat

Fri 11/6

10:40 am-6:22 pm

1 stop16h 42m

$1,052

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sun 5/31

11:05 am-10:10 pm

2 stops26h 05m

Barcelona-El Prat

Thu 6/4

8:00 am-8:10 pm

2 stops21h 10m

$1,056

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Mon 10/19

1:18 pm-8:00 am

3 stops33h 42m

Barcelona-El Prat

Wed 10/28

12:35 pm-10:26 pm

2 stops41h 51m

$1,057

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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

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 September instead. Flights to Barcelona-El Prat Airport in September, while not as cheap as those in January, still average around $703.

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 $688. 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 $852. 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 $696 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 $812 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 28% 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

Fastest flight time	13h 03m
Direct flights	None

The fastest flight from Ontario to Barcelona-El Prat Airport takes 13h 03m

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.

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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 03m 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?
As of May 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for flights between Ontario and Barcelona-El Prat Airport, the leading airline is United Airlines, making up 49% of the total bookings. Other popular airlines include Iberia with 30% and British Airways with 21%.

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
Iberia	PriceFrom $587	Free Cancellation	Rating 7.0 3,209 reviews	Search Iberia flights
United Airlines	PriceFrom $682	Free Cancellation	Rating 7.4 9,684 reviews	Search United Airlines flights
British Airways	PriceFrom $747	Free Cancellation	Rating 6.7 7,940 reviews	Search British Airways flights

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El Prat de Llobregat

L'Hospitalet de Llobregat

Calella

Cambrils

Cadaques

Santa Susanna

Badalona

Pals

Pineda de Mar

Empuriabrava

Roses

Palafrugell

Calella de Palafrugell

Malgrat 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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Cheap flights from Ontario to Barcelona from $433

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Barcelona departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

Air Canada flights from Ontario to Barcelona-El Prat Airport

Our best Air Canada deals on Ontario to Barcelona-El Prat Airport flight tickets

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

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

What is the cheapest month to fly to Barcelona-El Prat Airport?

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

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

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

What is the cheapest airline that flies from Ontario to Barcelona-El Prat?

What airlines fly to Barcelona-El Prat Airport?

Which airport is the most popular layover for flights between Ontario and Barcelona-El Prat Airport?

Which layover airport offers the lowest fares from Ontario to Barcelona-El Prat Airport?

Which layover airport has the shortest travel time from Ontario to Barcelona-El Prat Airport?

Which layover airport has the shortest connection time from Ontario to Barcelona-El Prat Airport?

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Barcelona?

Why use momondo?

An easier way to manage your Barcelona-El Prat Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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