What airlines fly to Ontario?

Iberia, Finnair and American Airlines 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 66% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 12 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, KLM, and Delta 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.

$399 Cheap Flights from Madrid to Ontario (MAD-ONT) in 2025

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Find the cheapest flights from Madrid to Los Angeles (MAD-ONT)

Round-trip

One-way

Last minute

Cheap round-trip flights

12:40 pm - 6:54 pmMAD-ONT

15h 14m1 stop

10:57 am - 9:05 amONT-MAD

13h 08m1 stop

$483British Airways

Find Deal

Thu, Sep 25 - Thu, Oct 9

12:40 pm - 6:54 pmMAD-ONT

15h 14m1 stop

8:15 am - 9:05 amONT-MAD

15h 50m1 stop

$484British Airways

Find Deal

Thu, Oct 2 - Mon, Oct 20

1:00 pm - 9:24 pmMAD-ONT

17h 24m1 stop

10:35 pm - 5:30 amONT-MAD

21h 55m1 stop

$496American Airlines

Find Deal

Mon, Sep 15 - Sun, Sep 21

11:35 am - 9:48 pmMAD-ONT

19h 13m2 stops

11:59 pm - 9:05 amONT-MAD

24h 06m1 stop

$498American Airlines

Find Deal

Mon, Sep 15 - Sun, Sep 21

12:40 pm - 10:18 pmMAD-ONT

17h 38m1 stop

10:47 am - 9:25 amONT-MAD

13h 38m1 stop

$508Iberia

Find Deal

Thu, Oct 30 - Tue, Nov 4

12:40 pm - 6:54 pmMAD-ONT

15h 14m1 stop

10:53 am - 9:05 amONT-MAD

13h 12m1 stop

$512Iberia

Find Deal

Sat, Sep 6 - Mon, Sep 22

4:00 pm - 11:56 amMAD-ONT

28h 56m2 stops

10:35 pm - 8:15 amONT-MAD

24h 40m2 stops

$632

Find Deal

Mon, Sep 15 - Sun, Sep 21

12:40 pm - 6:54 pmMAD-ONT

15h 14m1 stop

10:53 am - 9:05 amONT-MAD

13h 12m1 stop

$668

Find Deal

Mon, Sep 8 - Tue, Sep 23

6:00 am - 8:17 pmMAD-ONT

23h 17m2 stops

7:00 am - 9:15 amONT-MAD

17h 15m2 stops

$689United Airlines

Find Deal

Thu, Feb 12 - Thu, Feb 19

8:35 am - 9:25 pmMAD-ONT

21h 50m2 stops

5:05 am - 9:15 amONT-MAD

19h 10m2 stops

$747United Airlines

Find Deal

Tue, Sep 9 - Fri, Dec 5

Iberia flights from Madrid to Ontario

Our best Iberia deals on Madrid to Ontario flight tickets

Iberia

Oct 30

MAD12:40 pmMadrid Barajas

17h 38m

1 stop

ONT10:18 pmOntario

Nov 4

ONT10:47 amOntario

13h 38m

1 stop

MAD9:25 amMadrid Barajas

$508

Find similar

Iberia

Sep 6

MAD12:40 pmMadrid Barajas

15h 14m

1 stop

ONT6:54 pmOntario

Sep 22

ONT10:53 amOntario

13h 12m

1 stop

MAD9:05 amMadrid Barajas

$512

Find similar

Iberia

Sep 8

MAD12:40 pmMadrid Barajas

15h 14m

1 stop

ONT6:54 pmOntario

Sep 20

ONT2:54 pmOntario

33h 11m

1 stop

MAD9:05 amMadrid Barajas

$529

Find similar

United Airlines flights from Madrid to Ontario

Our best United Airlines deals on Madrid to Ontario flight tickets

United Airlines

Feb 12

MAD6:00 amMadrid Barajas

23h 17m

2 stops

ONT8:17 pmOntario

Feb 19

ONT7:00 amOntario

17h 15m

2 stops

MAD9:15 amMadrid Barajas

$689

Find similar

United Airlines

Sep 9

MAD8:35 amMadrid Barajas

21h 50m

2 stops

ONT9:25 pmOntario

Dec 5

ONT5:05 amOntario

19h 10m

2 stops

MAD9:15 amMadrid Barajas

$747

Find similar

United Airlines

Oct 2

MAD11:15 amMadrid Barajas

18h 09m

2 stops

ONT8:24 pmOntario

Oct 21

ONT5:05 amOntario

16h 35m

2 stops

MAD6:40 amMadrid Barajas

$756

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 9/25

12:40 pm-6:54 pm

1 stop15h 14m

Ontario

Thu 10/9

10:57 am-9:05 am

1 stop13h 08m

$483

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 10/2

12:40 pm-6:54 pm

1 stop15h 14m

Ontario

Mon 10/20

8:15 am-9:05 am

1 stop15h 50m

$484

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 9/15

1:00 pm-9:24 pm

1 stop17h 24m

Ontario

Sun 9/21

10:35 pm-5:30 am

1 stop21h 55m

$496

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 9/15

11:35 am-9:48 pm

2 stops19h 13m

Ontario

Sun 9/21

11:59 pm-9:05 am

1 stop24h 06m

$498

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 10/30

12:40 pm-10:18 pm

1 stop17h 38m

Ontario

Tue 11/4

10:47 am-9:25 am

1 stop13h 38m

$508

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Sat 9/6

12:40 pm-6:54 pm

1 stop15h 14m

Ontario

Mon 9/22

10:53 am-9:05 am

1 stop13h 12m

$512

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 9/15

4:00 pm-11:56 am

2 stops28h 56m

Ontario

Sun 9/21

10:35 pm-8:15 am

2 stops24h 40m

$632

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 9/8

12:40 pm-6:54 pm

1 stop15h 14m

Ontario

Tue 9/23

10:53 am-9:05 am

1 stop13h 12m

$668

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 2/12

6:00 am-8:17 pm

2 stops23h 17m

Ontario

Thu 2/19

7:00 am-9:15 am

2 stops17h 15m

$689

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Tue 9/9

8:35 am-9:25 pm

2 stops21h 50m

Ontario

Fri 12/5

5:05 am-9:15 am

2 stops19h 10m

$747

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

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 15h 14m.
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.