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

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

What airlines fly to Spain?

Iberia, TAP AIR PORTUGAL and British Airways are the top three most popular airlines that fly to Spain from Ontario according to our data. Iberia is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 23 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Ontario Airport to Spain are updated daily.

How many operators does momondo search for flights from Ontario Airport to Spain?

The number of operators available for flights from Ontario Airport to Spain is 4 as of July 2026.

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

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 Spain.

What documentation or ID do you need to fly to Spain?

The travel and health documents required for your trip to Spain 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 Spain. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$319 Cheap Flights from Ontario to Spain in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Spain

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:10 am - 8:00 am

ONT

BCN

35h 50m

2 stops

4:10 pm - 12:18 pm

BCN

ONT

29h 08m

1 stop

$710United Airlines

Thu, Oct 8 - Wed, Oct 21

6:00 am - 8:20 am

ONT

BCN

17h 20m

2 stops

11:15 am - 10:49 pm

BCN

ONT

20h 34m

2 stops

$711United Airlines

Tue, Sep 22 - Tue, Oct 6

12:18 pm - 9:55 am

ONT

MAD

13h 37m

1 stop

11:55 am - 8:18 pm

MAD

ONT

16h 23m

1 stop

$756Delta

Sun, Oct 25 - Wed, Oct 28

1:04 pm - 3:50 pm

ONT

MAD

17h 46m

2 stops

12:40 pm - 7:54 pm

MAD

ONT

16h 14m

1 stop

$759American Airlines

Sun, Sep 20 - Tue, Oct 6

9:52 am - 6:40 pm

ONT

AGP

23h 48m

2 stops

5:25 pm - 5:20 pm

AGP

ONT

32h 55m

2 stops

$847Delta

Tue, Sep 15 - Wed, Sep 30

1:05 pm - 7:45 pm

ONT

VLC

21h 40m

2 stops

12:00 pm - 9:54 pm

VLC

ONT

18h 54m

2 stops

$965British Airways

Mon, Sep 21 - Mon, Oct 5

10:47 am - 9:00 am

ONT

ALC

37h 13m

2 stops

9:30 pm - 11:57 pm

ALC

ONT

35h 27m

2 stops

$977British Airways

Mon, Nov 9 - Sun, Nov 22

6:10 am - 1:00 pm

ONT

SCQ

21h 50m

2 stops

9:40 pm - 11:57 pm

SCQ

ONT

35h 17m

2 stops

$1,047Iberia

Sun, Nov 8 - Thu, Nov 12

6:10 am - 8:40 am

ONT

SCQ

41h 30m

2 stops

9:40 pm - 11:57 pm

SCQ

ONT

35h 17m

2 stops

$1,056Iberia

Sun, Nov 8 - Thu, Nov 12

10:29 am - 12:45 pm

ONT

SVQ

17h 16m

2 stops

9:15 am - 6:58 pm

SVQ

ONT

18h 43m

2 stops

$1,451American Airlines

Fri, Aug 7 - Sat, Aug 22

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from Ontario to Spain

Our best American Airlines deals on Ontario to Spain flight tickets

American Airlines

Sep 20

ONT1:04 pmOntario

17h 46m

2 stops

MAD3:50 pmMadrid Barajas

Oct 6

MAD12:40 pmMadrid Barajas

16h 14m

1 stop

ONT7:54 pmOntario

$759

American Airlines

Jul 17

ONT10:25 amOntario

13h 40m

1 stop

MAD9:05 amMadrid Barajas

Jul 21

MAD12:20 pmMadrid Barajas

16h 39m

1 stop

ONT7:59 pmOntario

$1,514

American Airlines

Jul 10

ONT1:11 pmOntario

16h 14m

2 stops

MAD2:25 pmMadrid Barajas

Jul 23

MAD12:20 pmMadrid Barajas

16h 39m

1 stop

ONT7:59 pmOntario

$1,529

Iberia flights from Ontario to Spain

Our best Iberia deals on Ontario to Spain flight tickets

Iberia

Oct 11

ONT7:00 amOntario

17h 05m

1 stop

MAD9:05 amMadrid Barajas

Oct 23

MAD3:55 pmMadrid Barajas

16h 57m

1 stop

ONT11:52 pmOntario

$796

Iberia

Oct 11

ONT7:00 amOntario

17h 05m

1 stop

MAD9:05 amMadrid Barajas

Nov 11

MAD12:55 amMadrid Barajas

18h 02m

1 stop

ONT9:57 amOntario

$797

Iberia

Oct 31

ONT6:00 amOntario

16h 10m

1 stop

MAD6:10 amMadrid Barajas

Nov 11

MAD1:00 pmMadrid Barajas

19h 57m

1 stop

ONT11:57 pmOntario

$847

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Thu 10/8

11:10 am-8:00 am

2 stops35h 50m

Barcelona-El Prat

Wed 10/21

4:10 pm-12:18 pm

1 stop29h 08m

$710

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Tue 9/22

6:00 am-8:20 am

2 stops17h 20m

Barcelona-El Prat

Tue 10/6

11:15 am-10:49 pm

2 stops20h 34m

$711

Quickest round-trip

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 10/25

12:18 pm-9:55 am

1 stop13h 37m

Madrid Barajas

Wed 10/28

11:55 am-8:18 pm

1 stop16h 23m

$756

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 9/20

1:04 pm-3:50 pm

2 stops17h 46m

Madrid Barajas

Tue 10/6

12:40 pm-7:54 pm

1 stop16h 14m

$759

OntarioMálaga

ONT - AGP

ONTAGP

Ontario

Tue 9/15

9:52 am-6:40 pm

2 stops23h 48m

Malaga

Wed 9/30

5:25 pm-5:20 pm

2 stops32h 55m

$847

OntarioValencia

ONT - VLC

ONTVLC

Ontario

Mon 9/21

1:05 pm-7:45 pm

2 stops21h 40m

Valencia

Mon 10/5

12:00 pm-9:54 pm

2 stops18h 54m

$965

OntarioAlicante

ONT - ALC

ONTALC

Ontario

Mon 11/9

10:47 am-9:00 am

2 stops37h 13m

Alicante

Sun 11/22

9:30 pm-11:57 pm

2 stops35h 27m

$977

OntarioSantiago de Compostela

ONT - SCQ

ONTSCQ

Ontario

Sun 11/8

6:10 am-1:00 pm

2 stops21h 50m

Santiago de Compostela

Thu 11/12

9:40 pm-11:57 pm

2 stops35h 17m

$1,047

OntarioSantiago de Compostela

ONT - SCQ

ONTSCQ

Ontario

Sun 11/8

6:10 am-8:40 am

2 stops41h 30m

Santiago de Compostela

Thu 11/12

9:40 pm-11:57 pm

2 stops35h 17m

$1,056

OntarioSeville

ONT - SVQ

ONTSVQ

Ontario

Fri 8/7

10:29 am-12:45 pm

2 stops17h 16m

Sevilla

Sat 8/22

9:15 am-6:58 pm

2 stops18h 43m

$1,451

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 Spain

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

What is the cheapest month to fly to Spain?

If you don’t want to visit Spain in February, then you should wait until October to fly from Ontario, when ticket prices are also cheap, with an average price of $444.

Can stopping save me money on Ontario to Spain flights?

You could potentially save up to 54% on your flight if you consider stops on a Ontario to Spain flight.

Cheap Ontario to Spain flight deals and tips

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

Fastest flight time	13h 40m
Direct flights	None

The fastest flight from Ontario to Spain takes 13h 40m

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

Search flight deals

Frequently asked questions about flying from Ontario to Spain

When did momondo last update prices for flights from Ontario Airport to Spain?
Prices for flights from Ontario Airport to Spain are updated daily.
How many operators does momondo search for flights from Ontario Airport to Spain?
The number of operators available for flights from Ontario Airport to Spain is 4 as of July 2026.
How old do you have to be to fly from Ontario Airport to Spain?
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 Spain.
What documentation or ID do you need to fly to Spain?
The travel and health documents required for your trip to Spain 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 Spain. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Spain

Compare and see reviews for airlines that fly from Ontario to Spain with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $439	Free Cancellation	Rating 7.1 11,764 reviews	Search American Airlines flights
Iberia	PriceFrom $497	Free Cancellation	Rating 7.0 3,250 reviews	Search Iberia flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 8,091 reviews	Search British Airways flights
United Airlines	PriceFrom $714	Free Cancellation	Rating 7.4 9,926 reviews	Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Spain for you.

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

Yes. All flights to Spain from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Spain.

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

Yes. momondo can track prices for Ontario to Spain flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.