How long does it take to fly to Ontario?

Average flight duration from Spain to Ontario depends on which airport you fly into and out of. Flying from Madrid to Los Angeles is 12h 05m on average, while flying from Barcelona to Los Angeles is 12h 55m on average. Los Angeles is the most popular airport in Ontario.

What airlines fly to Ontario?

Iberia, Lufthansa and TAP AIR PORTUGAL are the top three most popular airlines that fly to Ontario from Spain according to our data. Iberia is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 14 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Spain to Ontario?

KLM, Iberia, and Delta are the most popular carriers operating from Spain to Ontario

When did momondo last update prices for flights from Spain to Ontario Airport?

Prices for flights from Spain to Ontario Airport were last updated today.

How old do you have to be to fly from Spain to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Spain to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$412 Cheap Flights from Spain to Ontario in 2026

Find the cheapest flights from Spain to Los Angeles

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10:50 am - 10:14 pmBCN Barcelona-El Prat-ONT Ontario

20h 24m1 stop Atlanta Hartsfield-Jackson

7:00 am - 8:40 amONT Ontario-BCN Barcelona-El Prat

16h 40m1 stop Atlanta Hartsfield-Jackson

$784KLM

Wed, Feb 3 - Fri, Feb 12

10:50 am - 10:14 pmBCN Barcelona-El Prat-ONT Ontario

20h 24m1 stop Atlanta Hartsfield-Jackson

7:00 am - 8:40 amONT Ontario-BCN Barcelona-El Prat

16h 40m1 stop Atlanta Hartsfield-Jackson

$784KLM

Wed, Feb 3 - Thu, Feb 11

10:50 am - 7:49 pmBCN Barcelona-El Prat-ONT Ontario

17h 59m1 stop Atlanta Hartsfield-Jackson

7:00 am - 8:40 amONT Ontario-BCN Barcelona-El Prat

16h 40m1 stop Atlanta Hartsfield-Jackson

$812Multiple Airlines

Thu, Nov 26 - Sun, Jan 10

1:55 pm - 10:14 pmMAD Madrid Barajas-ONT Ontario

17h 19m1 stop Atlanta Hartsfield-Jackson

12:00 pm - 12:15 pmONT Ontario-MAD Madrid Barajas

15h 15m1 stop Atlanta Hartsfield-Jackson

$818KLM

Tue, Feb 2 - Fri, Apr 23

12:40 pm - 11:36 pmMAD Madrid Barajas-ONT Ontario

19h 56m1 stop Dallas/Fort Worth

10:25 am - 9:05 amONT Ontario-MAD Madrid Barajas

13h 40m1 stop Dallas/Fort Worth

$820British Airways

Thu, Sep 10 - Wed, Sep 23

10:45 am - 9:29 amBCN Barcelona-El Prat-ONT Ontario

31h 44m1 stop Dallas/Fort Worth

8:25 am - 10:50 pmONT Ontario-BCN Barcelona-El Prat

29h 25m2 stops Dallas/Fort Worth London Heathrow

$834British Airways

Tue, Sep 15 - Thu, Oct 1

10:45 am - 9:29 amBCN Barcelona-El Prat-ONT Ontario

31h 44m1 stop Dallas/Fort Worth

6:00 am - 8:30 pmONT Ontario-BCN Barcelona-El Prat

29h 30m2 stops Dallas/Fort Worth London Heathrow

$834British Airways

Tue, Sep 15 - Tue, Oct 6

10:45 am - 10:37 pmBCN Barcelona-El Prat-ONT Ontario

20h 52m1 stop Dallas/Fort Worth

8:25 am - 10:50 pmONT Ontario-BCN Barcelona-El Prat

29h 25m2 stops Dallas/Fort Worth London Heathrow

$834British Airways

Wed, Sep 16 - Thu, Oct 1

10:45 am - 9:29 amBCN Barcelona-El Prat-ONT Ontario

31h 44m1 stop Dallas/Fort Worth

4:29 pm - 10:30 pmONT Ontario-BCN Barcelona-El Prat

21h 01m2 stops Phoenix Sky Harbor Intl London Heathrow

$834British Airways

Tue, Sep 15 - Mon, Oct 5

10:45 am - 6:53 pmBCN Barcelona-El Prat-ONT Ontario

17h 08m1 stop Dallas/Fort Worth

10:25 am - 10:30 pmONT Ontario-BCN Barcelona-El Prat

27h 05m2 stops Dallas/Fort Worth London Heathrow

$834British Airways

Thu, Sep 17 - Mon, Oct 5

Recent last minute flight deals from Spain to Los Angeles

Enter your travel dates to find the best prices.

8:00 am - 10:37 pmBCN Barcelona-El Prat-ONT Ontario

23h 37m2 stops Frankfurt am Main New York John F Kennedy Intl

10:47 am - 10:10 pmONT Ontario-BCN Barcelona-El Prat

26h 23m2 stops Portland Frankfurt am Main

$992Multiple Airlines

Wed, Sep 2 - Thu, Sep 10

8:00 am - 10:37 pmBCN Barcelona-El Prat-ONT Ontario

23h 37m2 stops Frankfurt am Main New York John F Kennedy Intl

10:47 am - 10:10 pmONT Ontario-BCN Barcelona-El Prat

26h 23m2 stops Portland Frankfurt am Main

$992Multiple Airlines

Wed, Sep 2 - Thu, Sep 10

8:00 am - 6:11 pmBCN Barcelona-El Prat-ONT Ontario

19h 11m2 stops Frankfurt am Main San Francisco

1:56 pm - 2:20 pmONT Ontario-BCN Barcelona-El Prat

15h 24m1 stop San Francisco

$1,018United Airlines

Tue, Sep 1 - Mon, Sep 14

5:55 am - 6:16 pmMAD Madrid Barajas-ONT Ontario

21h 21m2 stops Frankfurt am Main San Francisco

6:08 am - 8:05 amONT Ontario-MAD Madrid Barajas

16h 57m2 stops San Francisco Washington, D.C. Dulles Intl

$1,020United Airlines

Wed, Sep 2 - Wed, Sep 16

3:15 pm - 10:35 pmBCN Barcelona-El Prat-ONT Ontario

16h 20m1 stop Chicago O'Hare Intl

1:56 pm - 2:20 pmONT Ontario-BCN Barcelona-El Prat

15h 24m1 stop San Francisco

$1,030United Airlines

Tue, Sep 1 - Tue, Sep 8

11:15 am - 8:53 pmMAD Madrid Barajas-ONT Ontario

18h 38m2 stops Washington, D.C. Dulles Intl Denver Intl

7:00 am - 9:00 amONT Ontario-MAD Madrid Barajas

17h 00m2 stops Chicago O'Hare Intl Newark

$1,035United Airlines

Tue, Sep 1 - Tue, Sep 15

11:15 am - 8:53 pmMAD Madrid Barajas-ONT Ontario

18h 38m2 stops Washington, D.C. Dulles Intl Denver Intl

5:00 am - 9:00 amONT Ontario-MAD Madrid Barajas

19h 00m2 stops Denver Intl Newark

$1,035United Airlines

Mon, Aug 31 - Tue, Sep 15

11:15 am - 10:35 pmMAD Madrid Barajas-ONT Ontario

20h 20m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

7:00 am - 8:05 amONT Ontario-MAD Madrid Barajas

16h 05m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$1,035United Airlines

Mon, Aug 31 - Fri, Sep 18

11:15 am - 10:35 pmMAD Madrid Barajas-ONT Ontario

20h 20m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

6:08 am - 8:05 amONT Ontario-MAD Madrid Barajas

16h 57m2 stops San Francisco Washington, D.C. Dulles Intl

$1,035United Airlines

Tue, Sep 1 - Wed, Sep 16

10:50 am - 8:01 pmMAD Madrid Barajas-ONT Ontario

18h 11m2 stops Newark San Francisco

7:00 am - 8:05 amONT Ontario-MAD Madrid Barajas

16h 05m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$1,035United Airlines

Wed, Sep 2 - Fri, Sep 18

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Iberia flights from Spain to Ontario

Our best Iberia deals on Spain to Ontario flight tickets

Iberia

Sep 10

ALC1:40 pmAlicante

18h 56m

2 stops

ONT11:36 pmOntario

Sep 14

ONT10:25 amOntario

17h 40m

2 stops

ALC1:05 pmAlicante

$843

Iberia

Sep 10

ALC1:40 pmAlicante

18h 56m

2 stops

ONT11:36 pmOntario

Sep 14

ONT8:25 amOntario

27h 30m

2 stops

ALC8:55 pmAlicante

$866

Iberia

Jan 27

MAD12:55 amMadrid Barajas

17h 46m

1 stop

ONT9:41 amOntario

Jan 31

ONT7:00 amOntario

14h 10m

1 stop

MAD6:10 amMadrid Barajas

$876

Delta flights from Spain to Ontario

Our best Delta deals on Spain to Ontario flight tickets

Delta

Sep 16

BCN11:10 amBarcelona-El Prat

30h 52m

2 stops

ONT9:02 amOntario

Oct 2

ONT11:54 amOntario

20h 16m

2 stops

BCN5:10 pmBarcelona-El Prat

$836

Delta

Oct 22

BCN6:20 amBarcelona-El Prat

25h 23m

2 stops

ONT10:43 pmOntario

Oct 31

ONT6:20 amOntario

24h 35m

2 stops

BCN2:55 pmBarcelona-El Prat

$837

Delta

Sep 17

BCN11:00 amBarcelona-El Prat

20h 24m

1 stop

ONT10:24 pmOntario

Oct 3

ONT12:17 pmOntario

18h 18m

2 stops

BCN3:35 pmBarcelona-El Prat

$838

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Wed 2/3

10:50 am-10:14 pm

1 stop20h 24m

Ontario

Fri 2/12

7:00 am-8:40 am

1 stop16h 40m

$784

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Wed 2/3

10:50 am-10:14 pm

1 stop20h 24m

Ontario

Thu 2/11

7:00 am-8:40 am

1 stop16h 40m

$784

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Thu 11/26

10:50 am-7:49 pm

1 stop17h 59m

Ontario

Sun 1/10

7:00 am-8:40 am

1 stop16h 40m

$812

Quickest round-trip

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Tue 2/2

1:55 pm-10:14 pm

1 stop17h 19m

Ontario

Fri 4/23

12:00 pm-12:15 pm

1 stop15h 15m

$818

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Thu 9/10

12:40 pm-11:36 pm

1 stop19h 56m

Ontario

Wed 9/23

10:25 am-9:05 am

1 stop13h 40m

$820

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Tue 9/15

10:45 am-9:29 am

1 stop31h 44m

Ontario

Thu 10/1

8:25 am-10:50 pm

2 stops29h 25m

$834

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Tue 9/15

10:45 am-9:29 am

1 stop31h 44m

Ontario

Tue 10/6

6:00 am-8:30 pm

2 stops29h 30m

$834

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Wed 9/16

10:45 am-10:37 pm

1 stop20h 52m

Ontario

Thu 10/1

8:25 am-10:50 pm

2 stops29h 25m

$834

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Tue 9/15

10:45 am-9:29 am

1 stop31h 44m

Ontario

Mon 10/5

4:29 pm-10:30 pm

2 stops21h 01m

$834

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Thu 9/17

10:45 am-6:53 pm

1 stop17h 08m

Ontario

Mon 10/5

10:25 am-10:30 pm

2 stops27h 05m

$834

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 Spain to Ontario

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

Other information

Can stopping save me money on Spain to Ontario flights?

You could potentially save up to 45% on your flight if you consider stops on a Spain to Ontario flight.

Cheap Spain to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Spain to Ontario

Best Price Found	$412
Fastest flight time	16h 14m
Direct flights	None

The best one-way flight to Ontario from Spain in the past 72 hours is $412. The best round-trip flight deal from Spain to Ontario found on momondo in the last 72 hours is $784.

The fastest flight from Spain to Ontario takes 16h 14m

There are no direct flights from Spain to Ontario. There are no popular flight routes from Spain to Ontario.

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Frequently asked questions about flying from Spain to Ontario

When did momondo last update prices for flights from Spain to Ontario Airport?
Prices for flights from Spain to Ontario Airport were last updated today.
How old do you have to be to fly from Spain to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Spain to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to Ontario from Spain is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Spain to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Spain to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Spain.

I’m not ready to book a flight from Spain to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Spain and alert you when they change.

An easier way to manage your Ontario 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.

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Cheap flights from Spain to Los Angeles from $412

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spain to Los Angeles departing on 9/22. 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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Iberia flights from Spain to Ontario

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Why use momondo?

An easier way to manage your Ontario 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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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