What airlines fly to Ontario?

Iberia, Condor and Lufthansa 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 51% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 13 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?

Delta and British Airways are the most popular carriers operating from Spain to Ontario

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.

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.

$398 Cheap Flights from Spain to Ontario in 2026/27

Find the cheapest flights from Spain to Los Angeles

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Recent round-trip flight deals from Spain to Los Angeles

Enter your travel dates to find the best prices.

5:55 am - 7:20 amMAD Madrid Barajas-ONT Ontario

34h 25m3 stops Rome Fiumicino San Francisco Las Vegas Harry Reid Intl

8:44 am - 12:05 amONT Ontario-MAD Madrid Barajas

30h 21m3 stops Las Vegas Harry Reid Intl San Francisco Rome Fiumicino

$731Multiple Airlines

Tue, Nov 24 - Tue, Dec 8

5:55 am - 7:36 pmMAD Madrid Barajas-ONT Ontario

22h 41m3 stops Rome Fiumicino San Francisco Las Vegas Harry Reid Intl

8:44 am - 12:05 amONT Ontario-MAD Madrid Barajas

30h 21m3 stops Las Vegas Harry Reid Intl San Francisco Rome Fiumicino

$745Multiple Airlines

Thu, Nov 26 - Sat, Dec 5

7:40 am - 12:24 amMAD Madrid Barajas-ONT Ontario

25h 44m2 stops Lisbon Humberto Delgado San Francisco

10:55 am - 11:30 pmONT Ontario-MAD Madrid Barajas

27h 35m3 stops Las Vegas Harry Reid Intl San Francisco Lisbon Humberto Delgado

$769Multiple Airlines

Fri, Nov 20 - Fri, Nov 27

5:55 am - 12:24 amMAD Madrid Barajas-ONT Ontario

27h 29m2 stops Rome Fiumicino San Francisco

8:44 am - 12:05 amONT Ontario-MAD Madrid Barajas

30h 21m3 stops Las Vegas Harry Reid Intl San Francisco Rome Fiumicino

$787Multiple Airlines

Tue, Nov 24 - Tue, Dec 8

10:40 am - 11:13 pmMAD Madrid Barajas-ONT Ontario

21h 33m2 stops London Heathrow Dallas/Fort Worth

7:00 am - 6:35 pmONT Ontario-MAD Madrid Barajas

26h 35m2 stops Dallas/Fort Worth London Heathrow

$809British Airways

Thu, Jan 14 - Mon, Jan 18

1:00 pm - 11:13 pmMAD Madrid Barajas-ONT Ontario

19h 13m1 stop Dallas/Fort Worth

7:00 am - 5:10 pmONT Ontario-MAD Madrid Barajas

25h 10m2 stops Dallas/Fort Worth London Heathrow

$815British Airways

Thu, Jan 14 - Mon, Jan 18

6:45 am - 7:30 pmBCN Barcelona-El Prat-ONT Ontario

21h 45m2 stops Lisbon Humberto Delgado San Francisco

8:31 pm - 8:20 pmONT Ontario-BCN Barcelona-El Prat

38h 49m2 stops San Francisco Lisbon Humberto Delgado

$816Multiple Airlines

Mon, Nov 9 - Sun, Nov 22

12:55 am - 11:55 amMAD Madrid Barajas-ONT Ontario

20h 00m1 stop Dallas/Fort Worth

7:00 am - 6:10 amONT Ontario-MAD Madrid Barajas

14h 10m1 stop Dallas/Fort Worth

$818Iberia

Wed, Feb 3 - Tue, Feb 9

10:40 am - 11:13 pmMAD Madrid Barajas-ONT Ontario

21h 33m2 stops London Heathrow Dallas/Fort Worth

6:00 am - 6:35 pmONT Ontario-MAD Madrid Barajas

27h 35m2 stops Dallas/Fort Worth London Heathrow

$819British Airways

Thu, Jan 14 - Mon, Jan 18

10:40 am - 11:13 pmMAD Madrid Barajas-ONT Ontario

21h 33m2 stops London Heathrow Dallas/Fort Worth

7:00 am - 5:10 pmONT Ontario-MAD Madrid Barajas

25h 10m2 stops Dallas/Fort Worth London Heathrow

$819British Airways

Thu, Jan 14 - Mon, Jan 18

Recent last minute flight deals from Spain to Los Angeles

Enter your travel dates to find the best prices.

10:50 am - 7:30 pmBCN Barcelona-El Prat-ONT Ontario

17h 40m1 stop Atlanta Hartsfield-Jackson

7:05 am - 8:40 amONT Ontario-BCN Barcelona-El Prat

16h 35m1 stop Atlanta Hartsfield-Jackson

$977Air France

Sun, Nov 1 - Wed, Nov 11

9:10 pm - 7:30 pmBCN Barcelona-El Prat-ONT Ontario

31h 20m2 stops Lisbon Humberto Delgado San Francisco

10:35 am - 11:45 pmONT Ontario-BCN Barcelona-El Prat

28h 10m3 stops Las Vegas Harry Reid Intl San Francisco Lisbon Humberto Delgado

$1,003Multiple Airlines

Sun, Nov 1 - Wed, Nov 11

10:50 am - 7:30 pmBCN Barcelona-El Prat-ONT Ontario

16h 40m1 stop Atlanta Hartsfield-Jackson

7:07 am - 11:10 amONT Ontario-BCN Barcelona-El Prat

19h 03m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

$1,103Delta

Sat, Oct 31 - Tue, Nov 3

6:00 am - 7:28 pmMAD Madrid Barajas-ONT Ontario

21h 28m2 stops Paris Charles de Gaulle San Francisco

12:01 pm - 11:05 pmONT Ontario-MAD Madrid Barajas

26h 04m2 stops San Francisco Paris Charles de Gaulle

$1,132Multiple Airlines

Thu, Oct 29 - Fri, Nov 6

11:00 am - 8:51 pmMAD Madrid Barajas-ONT Ontario

17h 51m2 stops Washington, D.C. Dulles Intl Denver Intl

6:00 am - 9:30 amONT Ontario-MAD Madrid Barajas

18h 30m2 stops Houston George Bush Intcntl Newark

$1,144United Airlines

Sat, Oct 31 - Sun, Nov 8

10:50 am - 7:30 pmBCN Barcelona-El Prat-ONT Ontario

16h 40m1 stop Atlanta Hartsfield-Jackson

7:07 am - 8:40 amONT Ontario-BCN Barcelona-El Prat

16h 33m1 stop Atlanta Hartsfield-Jackson

$1,190Air France

Sat, Oct 31 - Tue, Nov 3

10:50 am - 7:30 pmBCN Barcelona-El Prat-ONT Ontario

16h 40m1 stop Atlanta Hartsfield-Jackson

12:16 pm - 2:00 pmONT Ontario-BCN Barcelona-El Prat

16h 44m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

$1,199Delta

Sat, Oct 31 - Mon, Nov 2

10:40 am - 6:44 pmBCN Barcelona-El Prat-ONT Ontario

16h 04m1 stop Dallas/Fort Worth

7:00 am - 8:50 amONT Ontario-BCN Barcelona-El Prat

16h 50m1 stop Dallas/Fort Worth

$1,230Iberia

Sat, Oct 31 - Sat, Nov 7

10:50 am - 7:30 pmBCN Barcelona-El Prat-ONT Ontario

16h 40m1 stop Atlanta Hartsfield-Jackson

7:07 am - 8:40 amONT Ontario-BCN Barcelona-El Prat

16h 33m1 stop Atlanta Hartsfield-Jackson

$1,254Air France

Sat, Oct 31 - Fri, Nov 6

10:40 am - 6:44 pmBCN Barcelona-El Prat-ONT Ontario

16h 04m1 stop Dallas/Fort Worth

6:00 am - 8:50 amONT Ontario-BCN Barcelona-El Prat

17h 50m1 stop Dallas/Fort Worth

$1,262Iberia

Sat, Oct 31 - Mon, Nov 2

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Iberia flights from Spain to Ontario

Our best Iberia deals on Spain to Ontario flight tickets

Iberia

Feb 3

MAD12:55 amMadrid Barajas

20h 00m

1 stop

ONT11:55 amOntario

Feb 9

ONT7:00 amOntario

14h 10m

1 stop

MAD6:10 amMadrid Barajas

$818

Iberia

Feb 17

MAD12:55 amMadrid Barajas

20h 06m

1 stop

ONT12:01 pmOntario

Feb 27

ONT6:00 amOntario

15h 10m

1 stop

MAD6:10 amMadrid Barajas

$869

Iberia

Feb 1

MAD1:00 pmMadrid Barajas

19h 13m

1 stop

ONT11:13 pmOntario

Feb 12

ONT7:00 amOntario

17h 25m

1 stop

MAD9:25 amMadrid Barajas

$873

Avianca flights from Spain to Ontario

Our best Avianca deals on Spain to Ontario flight tickets

Avianca

Feb 1

BCN3:30 pmBarcelona-El Prat

38h 20m

2 stops

ONT8:50 pmOntario

Feb 9

ONT10:45 pmOntario

24h 30m

2 stops

BCN8:15 amBarcelona-El Prat

$821

Avianca

Jan 31

BCN3:30 pmBarcelona-El Prat

62h 20m

2 stops

ONT8:50 pmOntario

Feb 9

ONT10:45 pmOntario

24h 30m

2 stops

BCN8:15 amBarcelona-El Prat

$838

Avianca

Feb 1

BCN3:30 pmBarcelona-El Prat

38h 20m

2 stops

ONT8:50 pmOntario

Feb 11

ONT10:45 pmOntario

24h 30m

2 stops

BCN8:15 amBarcelona-El Prat

$872

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Tue 11/24

5:55 am-7:20 am

3 stops34h 25m

Ontario

Tue 12/8

8:44 am-12:05 am

3 stops30h 21m

$731

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Thu 11/26

5:55 am-7:36 pm

3 stops22h 41m

Ontario

Sat 12/5

8:44 am-12:05 am

3 stops30h 21m

$745

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Fri 11/20

7:40 am-12:24 am

2 stops25h 44m

Ontario

Fri 11/27

10:55 am-11:30 pm

3 stops27h 35m

$769

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Tue 11/24

5:55 am-12:24 am

2 stops27h 29m

Ontario

Tue 12/8

8:44 am-12:05 am

3 stops30h 21m

$787

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Thu 1/14

10:40 am-11:13 pm

2 stops21h 33m

Ontario

Mon 1/18

7:00 am-6:35 pm

2 stops26h 35m

$809

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Thu 1/14

1:00 pm-11:13 pm

1 stop19h 13m

Ontario

Mon 1/18

7:00 am-5:10 pm

2 stops25h 10m

$815

BarcelonaOntario

BCN Barcelona-El Prat - ONT Ontario

BCNONT

Barcelona-El Prat

Mon 11/9

6:45 am-7:30 pm

2 stops21h 45m

Ontario

Sun 11/22

8:31 pm-8:20 pm

2 stops38h 49m

$816

Quickest round-trip

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Wed 2/3

12:55 am-11:55 am

1 stop20h 00m

Ontario

Tue 2/9

7:00 am-6:10 am

1 stop14h 10m

$818

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Thu 1/14

10:40 am-11:13 pm

2 stops21h 33m

Ontario

Mon 1/18

6:00 am-6:35 pm

2 stops27h 35m

$819

MadridOntario

MAD Madrid Barajas - ONT Ontario

MADONT

Madrid Barajas

Thu 1/14

10:40 am-11:13 pm

2 stops21h 33m

Ontario

Mon 1/18

7:00 am-5:10 pm

2 stops25h 10m

$819

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

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Other information

What is the cheapest month to fly to Ontario?

In general, April is the cheapest month to fly from Spain to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $557. If you aren’t able to travel during the month of April, then book flights to Ontario from Spain during February instead. Flights to Ontario in February, while not as cheap as those in April, still average around $665.

Can stopping save me money on Spain to Ontario flights?

You could potentially save up to 41% 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	$398
Fastest flight time	16h 39m
Direct flights	None

The best one-way flight to Ontario from Spain in the past 72 hours is $398. The best round-trip flight deal from Spain to Ontario found on momondo in the last 72 hours is $731.

The fastest flight from Spain to Ontario takes 16h 39m

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

Search flight deals

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 $398

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 12/8. 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

Our best Iberia deals on Spain to Ontario flight tickets

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How to get the cheapest flight ticket 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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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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