What airlines fly to Ontario?

Iberia, American Airlines and Finnair are the top three most popular airlines that fly to Ontario from Madrid according to our data. Iberia is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 11 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 Madrid Barajas to Ontario?

Iberia, British Airways, and American Airlines are the most popular carriers operating from Madrid Barajas to Ontario

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

Prices for flights from Madrid Barajas Airport to Ontario Airport refresh daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Madrid Barajas Airport 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.

$462 Cheap Flights from Madrid to Ontario in 2025/26

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Find the cheapest flights from Madrid to Los Angeles

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Cheap round-trip flights

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12:40 pm - 11:57 pmMAD-ONT

20h 17m1 stop

6:10 am - 9:25 amONT-MAD

18h 15m1 stop

$482British Airways

Find Deal

Thu, Nov 6 - Mon, Nov 17

11:05 am - 8:44 pmMAD-ONT

18h 39m2 stops

7:00 am - 8:05 amONT-MAD

16h 05m2 stops

$487United Airlines

Find Deal

Wed, Nov 12 - Thu, Nov 27

6:25 am - 6:36 pmMAD-ONT

21h 11m2 stops

5:05 am - 8:00 amONT-MAD

17h 55m2 stops

$490United Airlines

Find Deal

Mon, Nov 10 - Sun, Nov 16

1:00 pm - 10:02 pmMAD-ONT

17h 02m1 stop

11:59 pm - 9:05 amONT-MAD

24h 06m1 stop

$491Multiple Airlines

Find Deal

Thu, Mar 26 - Sun, Apr 5

1:00 pm - 10:02 pmMAD-ONT

17h 02m1 stop

6:46 am - 9:05 amONT-MAD

17h 19m2 stops

$514Multiple Airlines

Find Deal

Thu, Mar 26 - Sun, Apr 5

12:40 pm - 11:57 amMAD-ONT

31h 17m1 stop

6:10 am - 6:15 amONT-MAD

15h 05m1 stop

$520Iberia

Find Deal

Fri, Oct 31 - Tue, Nov 4

1:00 pm - 9:57 pmMAD-ONT

17h 57m1 stop

3:05 pm - 9:05 amONT-MAD

33h 00m1 stop

$521Iberia

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Fri, Feb 27 - Sun, Apr 26

12:55 am - 11:53 amMAD-ONT

19h 58m1 stop

10:34 pm - 5:45 amONT-MAD

22h 11m1 stop

$639American Airlines

Find Deal

Wed, Nov 5 - Mon, Nov 17

1:15 pm - 11:58 amMAD-ONT

30h 43m2 stops

10:34 pm - 5:45 amONT-MAD

22h 11m1 stop

$656American Airlines

Find Deal

Fri, Oct 31 - Tue, Nov 4

11:15 am - 7:42 pmMAD-ONT

17h 27m1 stop

7:05 am - 9:15 amONT-MAD

17h 10m1 stop

$790KLM

Find Deal

Thu, Nov 13 - Thu, Nov 27

British Airways flights from Madrid to Ontario

Our best British Airways deals on Madrid to Ontario flight tickets

British Airways

Nov 6

MAD12:40 pmMadrid Barajas

20h 17m

1 stop

ONT11:57 pmOntario

Nov 17

ONT6:10 amOntario

18h 15m

1 stop

MAD9:25 amMadrid Barajas

$482

Find similar

British Airways

Nov 6

MAD12:40 pmMadrid Barajas

18h 43m

1 stop

ONT10:23 pmOntario

Nov 15

ONT10:47 amOntario

13h 38m

1 stop

MAD9:25 amMadrid Barajas

$500

Find similar

British Airways

Jan 19

MAD1:00 pmMadrid Barajas

18h 49m

1 stop

ONT10:49 pmOntario

Jan 31

ONT10:58 amOntario

13h 27m

1 stop

MAD9:25 amMadrid Barajas

$502

Find similar

Iberia flights from Madrid to Ontario

Our best Iberia deals on Madrid to Ontario flight tickets

Iberia

Oct 31

MAD12:40 pmMadrid Barajas

31h 17m

1 stop

ONT11:57 amOntario

Nov 4

ONT6:10 amOntario

15h 05m

1 stop

MAD6:15 amMadrid Barajas

$520

Find similar

Iberia

Feb 27

MAD1:00 pmMadrid Barajas

17h 57m

1 stop

ONT9:57 pmOntario

Apr 26

ONT3:05 pmOntario

33h 00m

1 stop

MAD9:05 amMadrid Barajas

$521

Find similar

Iberia

Jan 19

MAD12:55 amMadrid Barajas

18h 13m

1 stop

ONT10:08 amOntario

Feb 4

ONT7:16 amOntario

17h 09m

1 stop

MAD9:25 amMadrid Barajas

$526

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 11/6

12:40 pm-11:57 pm

1 stop20h 17m

Ontario

Mon 11/17

6:10 am-9:25 am

1 stop18h 15m

$482

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 11/12

11:05 am-8:44 pm

2 stops18h 39m

Ontario

Thu 11/27

7:00 am-8:05 am

2 stops16h 05m

$487

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 11/10

6:25 am-6:36 pm

2 stops21h 11m

Ontario

Sun 11/16

5:05 am-8:00 am

2 stops17h 55m

$490

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 3/26

1:00 pm-10:02 pm

1 stop17h 02m

Ontario

Sun 4/5

11:59 pm-9:05 am

1 stop24h 06m

$491

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 3/26

1:00 pm-10:02 pm

1 stop17h 02m

Ontario

Sun 4/5

6:46 am-9:05 am

2 stops17h 19m

$514

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 10/31

12:40 pm-11:57 am

1 stop31h 17m

Ontario

Tue 11/4

6:10 am-6:15 am

1 stop15h 05m

$520

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 2/27

1:00 pm-9:57 pm

1 stop17h 57m

Ontario

Sun 4/26

3:05 pm-9:05 am

1 stop33h 00m

$521

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 11/5

12:55 am-11:53 am

1 stop19h 58m

Ontario

Mon 11/17

10:34 pm-5:45 am

1 stop22h 11m

$639

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 10/31

1:15 pm-11:58 am

2 stops30h 43m

Ontario

Tue 11/4

10:34 pm-5:45 am

1 stop22h 11m

$656

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 11/13

11:15 am-7:42 pm

1 stop17h 27m

Ontario

Thu 11/27

7:05 am-9:15 am

1 stop17h 10m

$790

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Madrid 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

Airlines

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as $914. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Madrid to Ontario for around $1,412.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from Madrid to Ontario when you can find flight prices for as low as $920. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,393 on average. Flights to Ontario from Madrid in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Madrid to Ontario flights?

You could potentially save up to 11% on your flight if you consider stops on a Madrid to Ontario flight.

When to book flights from Madrid to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Madrid to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Madrid to Ontario (MAD to ONT) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Madrid Barajas to Ontario by plane?
Madrid Barajas and Ontario are 5789.5 mi apart from one another. By plane, this route typically takes 16h 33m.
When did momondo last update prices for flights from Madrid Barajas Airport to Ontario Airport?
Prices for flights from Madrid Barajas Airport to Ontario Airport refresh daily.
How old do you have to be to fly from Madrid Barajas Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Madrid Barajas Airport 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 Madrid to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Madrid.

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

Yes. momondo enables you to select and highlight flights to Ontario from Madrid with this policy.

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

momondo provides multiple filters to help you find the best flight to Ontario from Madrid. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Ontario from Madrid are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.