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Cheap flights from Spain to Los Angeles from $306

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 5/13. 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 Spain to Los Angeles

Recent round-trip flight deals from Spain to Los Angeles

Enter your travel dates to find the best prices.
Avianca Logo
1:50 pm - 9:45 pm
BCN
-
ONT
40h 55m
2 stops
Avianca Logo
11:35 pm - 8:45 am
ONT
-
BCN
24h 10m
2 stops
$634Avianca
Wed, Apr 15 - Tue, Apr 21
Avianca Logo
1:50 pm - 9:45 pm
BCN
-
ONT
40h 55m
2 stops
Avianca Logo
11:35 pm - 8:45 am
ONT
-
BCN
48h 10m
2 stops
$637Avianca
Wed, Apr 22 - Thu, May 7
Avianca Logo
1:50 pm - 9:45 pm
BCN
-
ONT
40h 55m
2 stops
Avianca Logo
11:35 pm - 8:45 am
ONT
-
BCN
48h 10m
2 stops
$669Avianca
Mon, Apr 13 - Sat, Apr 25
United Airlines Logo
6:50 am - 5:47 pm
BIO
-
ONT
19h 57m
2 stops
United Airlines Logo
11:05 am - 5:55 pm
ONT
-
BIO
21h 50m
2 stops
$791United Airlines
Wed, Apr 8 - Tue, Apr 21
United Airlines Logo
6:50 am - 8:36 pm
BIO
-
ONT
22h 46m
2 stops
United Airlines Logo
11:05 am - 5:55 pm
ONT
-
BIO
21h 50m
2 stops
$792United Airlines
Wed, Apr 8 - Tue, Apr 21
British Airways Logo
1:00 pm - 10:09 am
MAD
-
ONT
30h 09m
1 stop
British Airways Logo
4:52 pm - 8:10 pm
ONT
-
MAD
18h 18m
2 stops
$799British Airways
Tue, Apr 28 - Mon, May 4
British Airways Logo
9:00 pm - 10:36 pm
MAD
-
ONT
34h 36m
2 stops
British Airways Logo
4:52 pm - 8:10 pm
ONT
-
MAD
18h 18m
2 stops
$804British Airways
Tue, Apr 28 - Mon, May 4
Delta Logo
12:00 pm - 11:51 pm
BIO
-
ONT
20h 51m
2 stops
Delta Logo
2:20 pm - 5:30 pm
ONT
-
BIO
18h 10m
2 stops
$852Delta
Fri, Apr 10 - Tue, Apr 14
Multiple Airlines Logo
2:05 am - 6:37 pm
ALC
-
ONT
25h 32m
2 stops
Multiple Airlines Logo
11:59 pm - 3:25 pm
ONT
-
ALC
30h 26m
2 stops
$900Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
11:40 pm - 6:01 pm
AGP
-
ONT
27h 21m
2 stops
Multiple Airlines Logo
9:55 am - 12:20 pm
ONT
-
AGP
18h 25m
2 stops
$900Multiple Airlines
Mon, Sep 21 - Mon, Oct 26

Avianca flights from Spain to Ontario

Our best Avianca deals on Spain to Ontario flight tickets
Avianca
Apr 15
BCN1:50 pmBarcelona-El Prat
40h 55m
2 stops
ONT9:45 pmOntario
Apr 21
ONT11:35 pmOntario
24h 10m
2 stops
BCN8:45 amBarcelona-El Prat
$634
Avianca
Apr 29
BCN1:50 pmBarcelona-El Prat
40h 55m
2 stops
ONT9:45 pmOntario
May 7
ONT11:35 pmOntario
24h 10m
2 stops
BCN8:45 amBarcelona-El Prat
$637
Avianca
Apr 1
BCN1:50 pmBarcelona-El Prat
40h 55m
2 stops
ONT9:45 pmOntario
May 5
ONT11:35 pmOntario
24h 10m
2 stops
BCN8:45 amBarcelona-El Prat
$647

British Airways flights from Spain to Ontario

Our best British Airways deals on Spain to Ontario flight tickets
British Airways
Apr 28
MAD1:00 pmMadrid Barajas
30h 09m
1 stop
ONT10:09 amOntario
May 4
ONT4:52 pmOntario
18h 18m
2 stops
MAD8:10 pmMadrid Barajas
$799
British Airways
Apr 28
MAD9:00 pmMadrid Barajas
34h 36m
2 stops
ONT10:36 pmOntario
May 4
ONT4:52 pmOntario
18h 18m
2 stops
MAD8:10 pmMadrid Barajas
$804
British Airways
Apr 14
BCN10:45 amBarcelona-El Prat
16h 52m
1 stop
ONT6:37 pmOntario
Apr 21
ONT7:30 amOntario
15h 05m
1 stop
BCN7:35 amBarcelona-El Prat
$805

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 March 26, 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 4/15

1:50 pm-9:45 pm

2 stops40h 55m

Ontario

Tue 4/21

11:35 pm-8:45 am

2 stops24h 10m

$634

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Wed 4/22

1:50 pm-9:45 pm

2 stops40h 55m

Ontario

Thu 5/7

11:35 pm-8:45 am

2 stops48h 10m

$637

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Mon 4/13

1:50 pm-9:45 pm

2 stops40h 55m

Ontario

Sat 4/25

11:35 pm-8:45 am

2 stops48h 10m

$669

BilbaoOntario

BIO - ONT

BIOONT

Bilbao

Wed 4/8

6:50 am-5:47 pm

2 stops19h 57m

Ontario

Tue 4/21

11:05 am-5:55 pm

2 stops21h 50m

$791

BilbaoOntario

BIO - ONT

BIOONT

Bilbao

Wed 4/8

6:50 am-8:36 pm

2 stops22h 46m

Ontario

Tue 4/21

11:05 am-5:55 pm

2 stops21h 50m

$792

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Tue 4/28

1:00 pm-10:09 am

1 stop30h 09m

Ontario

Mon 5/4

4:52 pm-8:10 pm

2 stops18h 18m

$799

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Tue 4/28

9:00 pm-10:36 pm

2 stops34h 36m

Ontario

Mon 5/4

4:52 pm-8:10 pm

2 stops18h 18m

$804
Quickest round-trip

BilbaoOntario

BIO - ONT

BIOONT

Bilbao

Fri 4/10

12:00 pm-11:51 pm

2 stops20h 51m

Ontario

Tue 4/14

2:20 pm-5:30 pm

2 stops18h 10m

$852

AlicanteOntario

ALC - ONT

ALCONT

Alicante

Mon 4/13

2:05 am-6:37 pm

2 stops25h 32m

Ontario

Mon 4/20

11:59 pm-3:25 pm

2 stops30h 26m

$900

MálagaOntario

AGP - ONT

AGPONT

Malaga

Mon 9/21

11:40 pm-6:01 pm

2 stops27h 21m

Ontario

Mon 10/26

9:55 am-12:20 pm

2 stops18h 25m

$900

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

Can stopping save me money on Spain to Ontario flights?

You could potentially save up to 24% 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 17m

Direct flights

None
The fastest flight from Spain to Ontario takes 15h 17m
There are no direct flights from Spain to Ontario. There are no popular flight routes from Spain to Ontario.
Search flight deals

  • 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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