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: 1h 38m.

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

Flights via Dallas (DFW) offer the lowest average round-trip price of $1,397.

What airlines fly to Barcelona-El Prat Airport?

Iberia, LEVEL and Vueling 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 46% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 22 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

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 16m.

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

Iberia, British Airways, and United Airlines are the most popular carriers operating from Ontario to Barcelona-El Prat

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

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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 August 2025, there are 5 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.

$313 Cheap Flights from Ontario to Barcelona-El Prat Airport (ONT-BCN) in 2025

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 $770 to $1,164. The lowest price recently found on this route was $661.

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Find the cheapest flights from Ontario to Barcelona (ONT-BCN)

Round-trip

One-way

Last minute

Cheap round-trip flights

10:57 am - 4:15 pmONT-BCN

20h 18m2 stops

9:45 am - 10:02 pmBCN-ONT

21h 17m2 stops

$661Iberia

Find Deal

Wed, Feb 4 - Wed, Feb 11

10:57 am - 4:15 pmONT-BCN

20h 18m2 stops

9:15 am - 10:02 pmBCN-ONT

21h 47m2 stops

$716Iberia

Find Deal

Tue, Jan 20 - Tue, Feb 3

8:43 am - 8:50 amONT-BCN

15h 07m1 stop

9:45 am - 10:02 pmBCN-ONT

21h 17m2 stops

$723Iberia

Find Deal

Wed, Feb 4 - Wed, Feb 11

4:45 pm - 8:20 pmONT-BCN

18h 35m2 stops

12:20 pm - 6:52 pmBCN-ONT

15h 32m1 stop

$837British Airways

Find Deal

Sun, Sep 28 - Tue, Oct 14

10:53 am - 10:10 amONT-BCN

14h 17m1 stop

12:20 pm - 7:02 pmBCN-ONT

15h 42m1 stop

$842British Airways

Find Deal

Mon, Sep 29 - Thu, Oct 16

6:10 am - 10:10 amONT-BCN

19h 00m2 stops

12:50 pm - 9:36 pmBCN-ONT

17h 46m2 stops

$845American Airlines

Find Deal

Sun, Sep 28 - Tue, Oct 14

1:53 pm - 1:15 pmONT-BCN

38h 22m2 stops

12:10 pm - 5:23 pmBCN-ONT

38h 13m3 stops

$852United Airlines

Find Deal

Sun, Sep 28 - Tue, Oct 14

7:00 am - 1:05 pmONT-BCN

21h 05m1 stop

3:05 pm - 10:31 pmBCN-ONT

16h 26m1 stop

$863United Airlines

Find Deal

Wed, Nov 5 - Fri, Nov 14

6:10 am - 10:10 amONT-BCN

19h 00m1 stop

6:40 am - 9:36 pmBCN-ONT

22h 56m2 stops

$866American Airlines

Find Deal

Mon, Oct 13 - Wed, Oct 29

7:05 am - 9:20 amONT-BCN

17h 15m1 stop

11:35 am - 10:22 pmBCN-ONT

19h 47m1 stop

$918Delta

Find Deal

Mon, Sep 29 - Wed, Oct 15

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

Sep 28

ONT4:45 pmOntario

18h 35m

2 stops

BCN8:20 pmBarcelona-El Prat

Oct 14

BCN12:20 pmBarcelona-El Prat

15h 32m

1 stop

ONT6:52 pmOntario

$837

Find similar

British Airways

Sep 29

ONT10:53 amOntario

14h 17m

1 stop

BCN10:10 amBarcelona-El Prat

Oct 16

BCN12:20 pmBarcelona-El Prat

15h 42m

1 stop

ONT7:02 pmOntario

$842

Find similar

British Airways

Oct 1

ONT10:54 amOntario

14h 16m

1 stop

BCN10:10 amBarcelona-El Prat

Oct 8

BCN12:20 pmBarcelona-El Prat

15h 43m

1 stop

ONT7:03 pmOntario

$865

Find similar

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

Sep 28

ONT6:10 amOntario

19h 00m

2 stops

BCN10:10 amBarcelona-El Prat

Oct 14

BCN12:50 pmBarcelona-El Prat

17h 46m

2 stops

ONT9:36 pmOntario

$845

Find similar

American Airlines

Oct 13

ONT6:10 amOntario

19h 00m

1 stop

BCN10:10 amBarcelona-El Prat

Oct 29

BCN6:40 amBarcelona-El Prat

22h 56m

2 stops

ONT9:36 pmOntario

$866

Find similar

American Airlines

Sep 29

ONT10:53 amOntario

14h 17m

1 stop

BCN10:10 amBarcelona-El Prat

Oct 15

BCN12:20 pmBarcelona-El Prat

15h 43m

1 stop

ONT7:03 pmOntario

$904

Find similar

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

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Wed 2/4

10:57 am-4:15 pm

2 stops20h 18m

Barcelona-El Prat

Wed 2/11

9:45 am-10:02 pm

2 stops21h 17m

$661

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Tue 1/20

10:57 am-4:15 pm

2 stops20h 18m

Barcelona-El Prat

Tue 2/3

9:15 am-10:02 pm

2 stops21h 47m

$716

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Wed 2/4

8:43 am-8:50 am

1 stop15h 07m

Barcelona-El Prat

Wed 2/11

9:45 am-10:02 pm

2 stops21h 17m

$723

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sun 9/28

4:45 pm-8:20 pm

2 stops18h 35m

Barcelona-El Prat

Tue 10/14

12:20 pm-6:52 pm

1 stop15h 32m

$837

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Mon 9/29

10:53 am-10:10 am

1 stop14h 17m

Barcelona-El Prat

Thu 10/16

12:20 pm-7:02 pm

1 stop15h 42m

$842

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sun 9/28

6:10 am-10:10 am

2 stops19h 00m

Barcelona-El Prat

Tue 10/14

12:50 pm-9:36 pm

2 stops17h 46m

$845

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Sun 9/28

1:53 pm-1:15 pm

2 stops38h 22m

Barcelona-El Prat

Tue 10/14

12:10 pm-5:23 pm

3 stops38h 13m

$852

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Wed 11/5

7:00 am-1:05 pm

1 stop21h 05m

Barcelona-El Prat

Fri 11/14

3:05 pm-10:31 pm

1 stop16h 26m

$863

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Mon 10/13

6:10 am-10:10 am

1 stop19h 00m

Barcelona-El Prat

Wed 10/29

6:40 am-9:36 pm

2 stops22h 56m

$866

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Mon 9/29

7:05 am-9:20 am

1 stop17h 15m

Barcelona-El Prat

Wed 10/15

11:35 am-10:22 pm

1 stop19h 47m

$918

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 $580, 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 March instead. Flights to Barcelona-El Prat Airport in March, while not as cheap as those in January, still average around $692.

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 $570. 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 $849. 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 evening is the least expensive time of day to depart. momondo users have found prices as low as $769 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,064 on average. Flights to Barcelona-El Prat Airport from Ontario in the afternoon 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 56% 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

Direct flights	None

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

How far is Ontario to Barcelona-El Prat by plane?
Barcelona-El Prat is 5972.8 mi away from Ontario. 12h 53m 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 August 2025, there are 5 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 32% of the total bookings. Other popular airlines include Iberia with 23%, Delta with 18%, and American Airlines with 16%.

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 Airways	PriceFrom $544	Free Cancellation	Rating 6.7 7,316 reviews	Search British Airways flights
Iberia	PriceFrom $605	Free Cancellation	Rating 7.0 2,892 reviews	Search Iberia flights
Delta	PriceFrom $609	Free Cancellation	Rating 7.9 7,977 reviews	Search Delta flights
United Airlines	PriceFrom $662	Free Cancellation	Rating 7.4 8,944 reviews	Search United Airlines flights
American Airlines	PriceFrom $687	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

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Pineda de Mar

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Pals

Malgrat de Mar

Palafrugell

Tortosa

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.

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

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Cheap flights from Ontario to Barcelona from $313

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 1/7. 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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Find the cheapest flights from Ontario to Barcelona (ONT-BCN)

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British Airways flights from Ontario to Barcelona-El Prat Airport

Our best British Airways deals on Ontario to Barcelona-El Prat Airport flight tickets

American Airlines flights from Ontario to Barcelona-El Prat Airport

Our best American Airlines 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

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?

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?

You could potentially save up to 56% on your flight if you consider stops on a Ontario to Barcelona-El Prat Airport flight.

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

Iberia, British Airways, and United Airlines are the most popular carriers operating 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?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Dallas (DFW) offer the lowest average round-trip price of $1,397.

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 16m.

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: 1h 38m.

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

Direct flights

How far is Ontario to Barcelona-El Prat by plane?

When did momondo last update prices for flights from Ontario Airport to Barcelona-El Prat Airport?

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?

What documentation or ID do you need to fly to Barcelona-El Prat Airport?

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

Traveling to a place near Barcelona?

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Barcelona?

Can I find flights from Ontario to Barcelona with flexible booking policies on momondo?

How can momondo help me find flights 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?

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.

Find better results for your trip to Barcelona

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Popular flights according to clicks in the last 7 days on momondo