What is the cheapest airline that flies from Madrid Barajas to Ontario?

American Airlines is the most popular carrier operating from Madrid Barajas to Ontario

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 70% 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.

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.

$408 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

Enter your travel dates to find the best prices.

11:30 am - 10:48 pmMAD-ONT

20h 18m2 stops

7:10 am - 6:15 amONT-MAD

14h 05m1 stop

$603Multiple Airlines

Find Deal

Tue, Feb 3 - Thu, Mar 5

12:55 am - 2:18 pmMAD-ONT

22h 23m1 stop

6:00 am - 6:15 amONT-MAD

15h 15m1 stop

$620Iberia

Find Deal

Fri, Jan 30 - Thu, Feb 5

1:00 pm - 10:48 pmMAD-ONT

18h 48m1 stop

7:10 am - 12:40 pmONT-MAD

20h 30m2 stops

$625Iberia

Find Deal

Mon, Feb 2 - Wed, Mar 4

11:30 am - 10:48 pmMAD-ONT

20h 18m2 stops

10:59 am - 1:05 pmONT-MAD

17h 06m2 stops

$626Multiple Airlines

Find Deal

Tue, Feb 3 - Thu, Mar 5

7:40 am - 10:48 pmMAD-ONT

48h 08m2 stops

6:10 am - 8:50 pmONT-MAD

29h 40m2 stops

$627Iberia

Find Deal

Sun, Feb 1 - Thu, Mar 5

12:40 pm - 10:48 pmMAD-ONT

19h 08m1 stop

7:16 am - 9:25 amONT-MAD

17h 09m1 stop

$629Iberia

Find Deal

Wed, Jan 14 - Wed, Jan 21

12:55 am - 11:37 amMAD-ONT

19h 42m2 stops

9:53 am - 8:50 amONT-MAD

14h 57m2 stops

$632Multiple Airlines

Find Deal

Mon, Feb 16 - Tue, Mar 17

6:40 am - 10:48 pmMAD-ONT

25h 08m2 stops

10:59 am - 4:55 pmONT-MAD

20h 56m2 stops

$635Iberia

Find Deal

Thu, Feb 5 - Tue, Mar 3

12:40 pm - 10:31 pmMAD-ONT

18h 51m1 stop

7:10 am - 9:25 amONT-MAD

17h 15m1 stop

$637Iberia

Find Deal

Thu, Feb 19 - Mon, Feb 23

11:00 am - 10:13 pmMAD-ONT

20h 13m2 stops

10:58 am - 1:05 pmONT-MAD

17h 07m2 stops

$638Multiple Airlines

Find Deal

Fri, Jan 16 - Sat, Jan 31

Iberia flights from Madrid to Ontario

Our best Iberia deals on Madrid to Ontario flight tickets

Iberia

Jan 30

MAD12:55 amMadrid Barajas

22h 23m

1 stop

ONT2:18 pmOntario

Feb 5

ONT6:00 amOntario

15h 15m

1 stop

MAD6:15 amMadrid Barajas

$620

Find similar

Iberia

Feb 2

MAD1:00 pmMadrid Barajas

18h 48m

1 stop

ONT10:48 pmOntario

Mar 4

ONT7:10 amOntario

20h 30m

2 stops

MAD12:40 pmMadrid Barajas

$625

Find similar

Iberia

Feb 1

MAD7:40 amMadrid Barajas

48h 08m

2 stops

ONT10:48 pmOntario

Mar 5

ONT6:10 amOntario

29h 40m

2 stops

MAD8:50 pmMadrid Barajas

$627

Find similar

United Airlines flights from Madrid to Ontario

Our best United Airlines deals on Madrid to Ontario flight tickets

United Airlines

Dec 13

MAD8:25 amMadrid Barajas

21h 17m

2 stops

ONT8:42 pmOntario

Jan 14

ONT5:05 amOntario

19h 10m

2 stops

MAD9:15 amMadrid Barajas

$889

Find similar

United Airlines

Dec 11

MAD6:00 amMadrid Barajas

23h 42m

2 stops

ONT8:42 pmOntario

Dec 16

ONT5:05 amOntario

19h 10m

2 stops

MAD9:15 amMadrid Barajas

$993

Find similar

United Airlines

Dec 7

MAD11:15 amMadrid Barajas

19h 34m

2 stops

ONT9:49 pmOntario

Jan 21

ONT5:05 amOntario

19h 10m

2 stops

MAD9:15 amMadrid Barajas

$1,113

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Tue 2/3

11:30 am-10:48 pm

2 stops20h 18m

Ontario

Thu 3/5

7:10 am-6:15 am

1 stop14h 05m

$603

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 1/30

12:55 am-2:18 pm

1 stop22h 23m

Ontario

Thu 2/5

6:00 am-6:15 am

1 stop15h 15m

$620

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 2/2

1:00 pm-10:48 pm

1 stop18h 48m

Ontario

Wed 3/4

7:10 am-12:40 pm

2 stops20h 30m

$625

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Tue 2/3

11:30 am-10:48 pm

2 stops20h 18m

Ontario

Thu 3/5

10:59 am-1:05 pm

2 stops17h 06m

$626

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Sun 2/1

7:40 am-10:48 pm

2 stops48h 08m

Ontario

Thu 3/5

6:10 am-8:50 pm

2 stops29h 40m

$627

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 1/14

12:40 pm-10:48 pm

1 stop19h 08m

Ontario

Wed 1/21

7:16 am-9:25 am

1 stop17h 09m

$629

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 2/16

12:55 am-11:37 am

2 stops19h 42m

Ontario

Tue 3/17

9:53 am-8:50 am

2 stops14h 57m

$632

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 2/5

6:40 am-10:48 pm

2 stops25h 08m

Ontario

Tue 3/3

10:59 am-4:55 pm

2 stops20h 56m

$635

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 2/19

12:40 pm-10:31 pm

1 stop18h 51m

Ontario

Mon 2/23

7:10 am-9:25 am

1 stop17h 15m

$637

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 1/16

11:00 am-10:13 pm

2 stops20h 13m

Ontario

Sat 1/31

10:58 am-1:05 pm

2 stops17h 07m

$638

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 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

Fastest flight time	15h 48m
Direct flights	None

The fastest flight from Madrid to Ontario takes 15h 48m

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 24m.
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.