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

KLM, Delta, and United Airlines 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 55% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 24 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 3 as of May 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.

$348 Cheap Flights from Ontario to Spain in 2026

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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.

6:32 pm - 8:30 am

ONT

PMI

28h 58m

2 stops

10:10 am - 8:52 pm

PMI

ONT

19h 42m

2 stops

$756United Airlines

Tue, Sep 29 - Fri, Oct 9

12:32 pm - 6:25 pm

ONT

PMI

20h 53m

2 stops

11:55 pm - 5:21 pm

PMI

ONT

26h 26m

2 stops

$847KLM

Tue, Aug 4 - Tue, Aug 11

12:00 pm - 6:40 pm

ONT

AGP

21h 40m

2 stops

5:25 pm - 5:16 pm

AGP

ONT

32h 51m

2 stops

$849Delta

Wed, Sep 9 - Mon, Sep 21

7:00 am - 4:35 pm

ONT

AGP

24h 35m

2 stops

5:25 pm - 6:01 pm

AGP

ONT

33h 36m

2 stops

$854Delta

Mon, Sep 7 - Mon, Sep 21

10:29 am - 7:50 pm

ONT

AGP

24h 21m

2 stops

1:25 pm - 11:06 pm

AGP

ONT

18h 41m

2 stops

$888British Airways

Mon, Aug 31 - Wed, Sep 9

10:29 am - 9:05 am

ONT

MAD

13h 36m

1 stop

12:40 pm - 6:47 pm

MAD

ONT

15h 07m

1 stop

$888British Airways

Wed, Aug 12 - Thu, Aug 27

7:00 am - 11:15 am

ONT

VLC

19h 15m

2 stops

12:00 pm - 10:23 pm

VLC

ONT

19h 23m

2 stops

$974American Airlines

Wed, Nov 4 - Thu, Nov 19

11:59 pm - 9:05 am

ONT

VLC

24h 06m

2 stops

12:00 pm - 11:57 pm

VLC

ONT

20h 57m

2 stops

$986American Airlines

Mon, Nov 2 - Thu, Nov 19

2:43 pm - 9:35 am

ONT

XRY

33h 52m

2 stops

9:35 pm - 6:57 pm

XRY

ONT

30h 22m

2 stops

$1,129Iberia

Sat, Aug 15 - Tue, Sep 15

12:41 pm - 10:35 am

ONT

VLC

36h 54m

2 stops

5:40 am - 7:59 pm

VLC

ONT

23h 19m

2 stops

$1,191Iberia

Mon, Jun 15 - Thu, Jul 2

United Airlines flights from Ontario to Spain

Our best United Airlines deals on Ontario to Spain flight tickets

United Airlines

Sep 29

ONT6:32 pmOntario

28h 58m

2 stops

PMI8:30 amPalma de Mallorca Son Sant Joan

Oct 9

PMI10:10 amPalma de Mallorca Son Sant Joan

19h 42m

2 stops

ONT8:52 pmOntario

$756

United Airlines

Oct 7

ONT6:05 amOntario

18h 45m

2 stops

MAD9:50 amMadrid Barajas

Oct 9

MAD12:45 pmMadrid Barajas

40h 31m

2 stops

ONT8:16 pmOntario

$774

United Airlines

Oct 4

ONT6:32 pmOntario

28h 33m

2 stops

MAD8:05 amMadrid Barajas

Oct 13

MAD1:30 pmMadrid Barajas

31h 42m

2 stops

ONT12:12 pmOntario

$776

Delta flights from Ontario to Spain

Our best Delta deals on Ontario to Spain flight tickets

Delta

Nov 10

ONT7:00 amOntario

17h 55m

1 stop

MAD9:55 amMadrid Barajas

Nov 25

MAD6:00 amMadrid Barajas

21h 18m

2 stops

ONT6:18 pmOntario

$766

Delta

Oct 3

ONT12:00 pmOntario

33h 20m

2 stops

MAD6:20 amMadrid Barajas

Oct 15

MAD9:50 amMadrid Barajas

17h 28m

1 stop

ONT6:18 pmOntario

$769

Delta

Nov 11

ONT12:00 pmOntario

18h 20m

2 stops

MAD3:20 pmMadrid Barajas

Nov 27

MAD6:00 amMadrid Barajas

19h 12m

2 stops

ONT4:12 pmOntario

$770

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPalma de Mallorca

ONT - PMI

ONTPMI

Ontario

Tue 9/29

6:32 pm-8:30 am

2 stops28h 58m

Palma de Mallorca Son Sant Joan

Fri 10/9

10:10 am-8:52 pm

2 stops19h 42m

$756

OntarioPalma de Mallorca

ONT - PMI

ONTPMI

Ontario

Tue 8/4

12:32 pm-6:25 pm

2 stops20h 53m

Palma de Mallorca Son Sant Joan

Tue 8/11

11:55 pm-5:21 pm

2 stops26h 26m

$847

OntarioMálaga

ONT - AGP

ONTAGP

Ontario

Wed 9/9

12:00 pm-6:40 pm

2 stops21h 40m

Malaga

Mon 9/21

5:25 pm-5:16 pm

2 stops32h 51m

$849

OntarioMálaga

ONT - AGP

ONTAGP

Ontario

Mon 9/7

7:00 am-4:35 pm

2 stops24h 35m

Malaga

Mon 9/21

5:25 pm-6:01 pm

2 stops33h 36m

$854

OntarioMálaga

ONT - AGP

ONTAGP

Ontario

Mon 8/31

10:29 am-7:50 pm

2 stops24h 21m

Malaga

Wed 9/9

1:25 pm-11:06 pm

2 stops18h 41m

$888

Quickest round-trip

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 8/12

10:29 am-9:05 am

1 stop13h 36m

Madrid Barajas

Thu 8/27

12:40 pm-6:47 pm

1 stop15h 07m

$888

OntarioValencia

ONT - VLC

ONTVLC

Ontario

Wed 11/4

7:00 am-11:15 am

2 stops19h 15m

Valencia

Thu 11/19

12:00 pm-10:23 pm

2 stops19h 23m

$974

OntarioValencia

ONT - VLC

ONTVLC

Ontario

Mon 11/2

11:59 pm-9:05 am

2 stops24h 06m

Valencia

Thu 11/19

12:00 pm-11:57 pm

2 stops20h 57m

$986

OntarioJerez de la Frontera

ONT - XRY

ONTXRY

Ontario

Sat 8/15

2:43 pm-9:35 am

2 stops33h 52m

Jerez de la Frontera La Parra

Tue 9/15

9:35 pm-6:57 pm

2 stops30h 22m

$1,129

OntarioValencia

ONT - VLC

ONTVLC

Ontario

Mon 6/15

12:41 pm-10:35 am

2 stops36h 54m

Valencia

Thu 7/2

5:40 am-7:59 pm

2 stops23h 19m

$1,191

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 63% 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 03m
Direct flights	None

The fastest flight from Ontario to Spain takes 13h 03m

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 3 as of May 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
Iberia	PriceFrom $497	Free Cancellation	Rating 7.0 3,216 reviews	Search Iberia flights
British Airways	PriceFrom $504	Free Cancellation	Rating 6.7 7,980 reviews	Search British Airways flights
United Airlines	PriceFrom $682	Free Cancellation	Rating 7.4 9,721 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.