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Cheap flights from Spain to Los Angeles from $426

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 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Spain to Los Angeles

Recent round-trip flight deals from Spain to Los Angeles

Enter your travel dates to find the best prices.
British Airways Logo
10:45 am - 6:57 pm
BCN
-
ONT
17h 12m
1 stop
British Airways Logo
10:25 am - 10:10 am
ONT
-
BCN
14h 45m
1 stop
$844British Airways
Wed, Sep 9 - Mon, Sep 21
KLM Logo
11:00 am - 6:36 pm
BCN
-
ONT
16h 36m
1 stop
KLM Logo
11:52 am - 11:10 am
ONT
-
BCN
14h 18m
1 stop
$845KLM
Sat, May 23 - Sat, May 30
Multiple Airlines Logo
11:00 am - 9:48 pm
BCN
-
ONT
19h 48m
1 stop
Multiple Airlines Logo
1:35 pm - 11:10 am
ONT
-
BCN
36h 35m
1 stop
$874Multiple Airlines
Sat, May 23 - Fri, Jun 5
United Airlines Logo
2:00 pm - 10:59 pm
BIO
-
ONT
17h 59m
2 stops
United Airlines Logo
6:53 pm - 11:05 pm
ONT
-
BIO
19h 12m
2 stops
$885United Airlines
Thu, Oct 22 - Mon, Nov 23
United Airlines Logo
6:45 am - 5:47 pm
BIO
-
ONT
20h 02m
2 stops
United Airlines Logo
7:00 am - 12:00 pm
ONT
-
BIO
20h 00m
2 stops
$886United Airlines
Sat, Nov 7 - Tue, Nov 24
Multiple Airlines Logo
11:00 am - 9:48 pm
BCN
-
ONT
19h 48m
1 stop
Multiple Airlines Logo
1:35 pm - 11:10 am
ONT
-
BCN
36h 35m
1 stop
$890Multiple Airlines
Sat, May 23 - Fri, Jun 5
Delta Logo
7:10 am - 4:17 pm
BIO
-
ONT
18h 07m
2 stops
Delta Logo
1:35 pm - 4:30 pm
ONT
-
BIO
17h 55m
2 stops
$894Delta
Sat, May 23 - Sat, May 30
Iberia Logo
3:55 pm - 11:06 pm
MAD
-
ONT
16h 11m
1 stop
Iberia Logo
2:22 pm - 2:25 pm
ONT
-
MAD
15h 03m
1 stop
$905Iberia
Wed, Sep 16 - Mon, Sep 21
Iberia Logo
9:30 pm - 6:57 pm
ALC
-
ONT
30h 27m
2 stops
Iberia Logo
2:22 pm - 8:55 pm
ONT
-
ALC
21h 33m
2 stops
$918Iberia
Mon, Sep 14 - Sat, Sep 26
Delta Logo
5:55 am - 10:45 pm
AGP
-
ONT
25h 50m
2 stops
Delta Logo
7:00 am - 12:20 pm
ONT
-
AGP
20h 20m
2 stops
$1,203Delta
Tue, Aug 18 - Thu, Dec 24

KLM flights from Spain to Ontario

Our best KLM deals on Spain to Ontario flight tickets
KLM
May 23
BCN11:00 amBarcelona-El Prat
16h 36m
1 stop
ONT6:36 pmOntario
May 30
ONT11:52 amOntario
14h 18m
1 stop
BCN11:10 amBarcelona-El Prat
$845
KLM
May 23
BCN11:00 amBarcelona-El Prat
16h 36m
1 stop
ONT6:36 pmOntario
Jun 6
ONT11:52 amOntario
14h 18m
1 stop
BCN11:10 amBarcelona-El Prat
$852
KLM
Aug 28
BCN11:30 amBarcelona-El Prat
15h 59m
1 stop
ONT6:29 pmOntario
Sep 21
ONT12:00 pmOntario
15h 50m
1 stop
BCN12:50 pmBarcelona-El Prat
$868

Turkish Airlines flights from Spain to Ontario

Our best Turkish Airlines deals on Spain to Ontario flight tickets
Turkish Airlines
May 28
AGP5:55 pmMalaga
35h 52m
2 stops
ONT8:47 pmOntario
Jun 10
ONT10:41 pmOntario
57h 04m
2 stops
AGP4:45 pmMalaga
$1,629
Turkish Airlines
May 22
AGP11:50 amMalaga
65h 57m
2 stops
ONT8:47 pmOntario
Jun 5
ONT10:41 pmOntario
57h 14m
2 stops
AGP4:55 pmMalaga
$1,939

momondo Fare Finder

 
Customize your flight search to find flights from Spain to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 12, 2026.
Use the filters below to find and compare flights from Spain to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Wed 9/9

10:45 am-6:57 pm

1 stop17h 12m

Ontario

Mon 9/21

10:25 am-10:10 am

1 stop14h 45m

$844
Quickest round-trip

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Sat 5/23

11:00 am-6:36 pm

1 stop16h 36m

Ontario

Sat 5/30

11:52 am-11:10 am

1 stop14h 18m

$845

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Sat 5/23

11:00 am-9:48 pm

1 stop19h 48m

Ontario

Fri 6/5

1:35 pm-11:10 am

1 stop36h 35m

$874

BilbaoOntario

BIO - ONT

BIOONT

Bilbao

Thu 10/22

2:00 pm-10:59 pm

2 stops17h 59m

Ontario

Mon 11/23

6:53 pm-11:05 pm

2 stops19h 12m

$885

BilbaoOntario

BIO - ONT

BIOONT

Bilbao

Sat 11/7

6:45 am-5:47 pm

2 stops20h 02m

Ontario

Tue 11/24

7:00 am-12:00 pm

2 stops20h 00m

$886

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Sat 5/23

11:00 am-9:48 pm

1 stop19h 48m

Ontario

Fri 6/5

1:35 pm-11:10 am

1 stop36h 35m

$890

BilbaoOntario

BIO - ONT

BIOONT

Bilbao

Sat 5/23

7:10 am-4:17 pm

2 stops18h 07m

Ontario

Sat 5/30

1:35 pm-4:30 pm

2 stops17h 55m

$894

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 9/16

3:55 pm-11:06 pm

1 stop16h 11m

Ontario

Mon 9/21

2:22 pm-2:25 pm

1 stop15h 03m

$905

AlicanteOntario

ALC - ONT

ALCONT

Alicante

Mon 9/14

9:30 pm-6:57 pm

2 stops30h 27m

Ontario

Sat 9/26

2:22 pm-8:55 pm

2 stops21h 33m

$918

MálagaOntario

AGP - ONT

AGPONT

Malaga

Tue 8/18

5:55 am-10:45 pm

2 stops25h 50m

Ontario

Thu 12/24

7:00 am-12:20 pm

2 stops20h 20m

$1,203

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

What is the cheapest month to fly to Ontario?

In general, October 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 $0. If you aren’t able to travel during the month of October, then book flights to Ontario from Spain during November instead. Flights to Ontario in November, while not as cheap as those in October, still average around $484.

Can stopping save me money on Spain to Ontario flights?

You could potentially save up to 61% 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

Fastest flight time

15h 07m

Direct flights

None
The fastest flight from Spain to Ontario takes 15h 07m
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.

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