Which layover airport offers the lowest fares from Ontario to Madrid?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $525.

Which airport is the most popular layover for flights between Ontario and Madrid?

Dallas (DFW) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Ontario to Madrid?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 13h 55m.

Which layover airport has the shortest connection time from Ontario to Madrid?

Dallas (DFW) has the shortest average layover time for this route: 2h 24m.

What airlines fly to Madrid?

Iberia, British Airways and American Airlines are the top three most popular airlines that fly to Madrid from Ontario according to our data. Iberia is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Madrid. Keep in mind that there are 20 different airlines that fly to Madrid on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from Ontario Airport to Madrid Barajas Airport are updated daily.

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

As of August 2025, there are 5 operators available to choose from for flights from Ontario Airport to Madrid Barajas Airport.

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

What documentation or ID do you need to fly to Madrid Barajas Airport?

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

$395 Cheap Flights from Ontario to Madrid in 2025

Q: What is the typical price of a round-trip flight between Ontario and Madrid?

Prices are currently low for flights on this route. Typical prices usually range from $574 to $801. The lowest price recently found on this route was $402.

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Find the cheapest flights from Ontario to Madrid

Round-trip

One-way

Last minute

Cheap round-trip flights

7:05 am - 8:00 amONT-MAD

16h 55m1 stop

11:00 am - 10:41 pmMAD-ONT

20h 41m1 stop

$402Delta

Find Deal

Sun, Oct 26 - Wed, Nov 12

10:00 pm - 7:50 amONT-MAD

24h 50m2 stops

12:20 pm - 10:40 pmMAD-ONT

19h 20m2 stops

$429Delta

Find Deal

Mon, Sep 22 - Tue, Sep 30

7:00 am - 9:00 amONT-MAD

17h 00m2 stops

12:45 pm - 5:40 pmMAD-ONT

37h 55m2 stops

$474United Airlines

Find Deal

Mon, Sep 22 - Tue, Sep 30

7:00 am - 6:40 amONT-MAD

38h 40m2 stops

12:30 pm - 10:30 pmMAD-ONT

43h 00m2 stops

$480United Airlines

Find Deal

Mon, Sep 22 - Tue, Sep 30

11:45 am - 3:35 pmONT-MAD

18h 50m2 stops

10:05 am - 7:11 pmMAD-ONT

18h 06m1 stop

$493

Find Deal

Mon, Aug 25 - Fri, Sep 5

10:47 am - 9:25 amONT-MAD

13h 38m1 stop

1:00 pm - 11:57 pmMAD-ONT

19h 57m1 stop

$495Iberia

Find Deal

Sun, Nov 2 - Fri, Nov 21

6:10 am - 6:15 amONT-MAD

15h 05m1 stop

1:00 pm - 10:23 pmMAD-ONT

18h 23m1 stop

$497Iberia

Find Deal

Sun, Nov 9 - Fri, Nov 21

10:54 am - 7:15 pmONT-MAD

23h 21m2 stops

4:00 pm - 10:42 pmMAD-ONT

15h 42m1 stop

$502British Airways

Find Deal

Wed, Oct 1 - Wed, Oct 15

5:05 am - 6:40 amONT-MAD

16h 35m2 stops

12:30 pm - 10:30 pmMAD-ONT

19h 00m2 stops

$503

Find Deal

Mon, Sep 29 - Thu, Oct 23

8:15 am - 11:20 amONT-MAD

18h 05m2 stops

4:00 pm - 11:59 pmMAD-ONT

16h 59m1 stop

$550British Airways

Find Deal

Sat, Sep 27 - Fri, Oct 10

Delta flights from Ontario to Madrid

Our best Delta deals on Ontario to Madrid flight tickets

Delta

Oct 26

ONT7:05 amOntario

16h 55m

1 stop

MAD8:00 amMadrid Barajas

Nov 12

MAD11:00 amMadrid Barajas

20h 41m

1 stop

ONT10:41 pmOntario

$402

Find similar

Delta

Sep 22

ONT10:00 pmOntario

24h 50m

2 stops

MAD7:50 amMadrid Barajas

Sep 30

MAD12:20 pmMadrid Barajas

19h 20m

2 stops

ONT10:40 pmOntario

$429

Find similar

Delta

Sep 22

ONT10:00 pmOntario

24h 50m

2 stops

MAD7:50 amMadrid Barajas

Sep 30

MAD6:00 amMadrid Barajas

26h 42m

2 stops

ONT11:42 pmOntario

$430

Find similar

Iberia flights from Ontario to Madrid

Our best Iberia deals on Ontario to Madrid flight tickets

Iberia

Nov 2

ONT10:47 amOntario

13h 38m

1 stop

MAD9:25 amMadrid Barajas

Nov 21

MAD1:00 pmMadrid Barajas

19h 57m

1 stop

ONT11:57 pmOntario

$495

Find similar

Iberia

Nov 9

ONT6:10 amOntario

15h 05m

1 stop

MAD6:15 amMadrid Barajas

Nov 21

MAD1:00 pmMadrid Barajas

18h 23m

1 stop

ONT10:23 pmOntario

$497

Find similar

Iberia

Aug 18

ONT10:50 amOntario

13h 15m

1 stop

MAD9:05 amMadrid Barajas

Sep 3

MAD12:40 pmMadrid Barajas

15h 14m

1 stop

ONT6:54 pmOntario

$514

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 10/26

7:05 am-8:00 am

1 stop16h 55m

Madrid Barajas

Wed 11/12

11:00 am-10:41 pm

1 stop20h 41m

$402

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 9/22

10:00 pm-7:50 am

2 stops24h 50m

Madrid Barajas

Tue 9/30

12:20 pm-10:40 pm

2 stops19h 20m

$429

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 9/22

7:00 am-9:00 am

2 stops17h 00m

Madrid Barajas

Tue 9/30

12:45 pm-5:40 pm

2 stops37h 55m

$474

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 9/22

7:00 am-6:40 am

2 stops38h 40m

Madrid Barajas

Tue 9/30

12:30 pm-10:30 pm

2 stops43h 00m

$480

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 8/25

11:45 am-3:35 pm

2 stops18h 50m

Madrid Barajas

Fri 9/5

10:05 am-7:11 pm

1 stop18h 06m

$493

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 11/2

10:47 am-9:25 am

1 stop13h 38m

Madrid Barajas

Fri 11/21

1:00 pm-11:57 pm

1 stop19h 57m

$495

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 11/9

6:10 am-6:15 am

1 stop15h 05m

Madrid Barajas

Fri 11/21

1:00 pm-10:23 pm

1 stop18h 23m

$497

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 10/1

10:54 am-7:15 pm

2 stops23h 21m

Madrid Barajas

Wed 10/15

4:00 pm-10:42 pm

1 stop15h 42m

$502

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 9/29

5:05 am-6:40 am

2 stops16h 35m

Madrid Barajas

Thu 10/23

12:30 pm-10:30 pm

2 stops19h 00m

$503

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sat 9/27

8:15 am-11:20 am

2 stops18h 05m

Madrid Barajas

Fri 10/10

4:00 pm-11:59 pm

1 stop16h 59m

$550

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 Madrid

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

Layovers

What is the typical price of a round-trip flight between Ontario and Madrid?

What is the cheapest month to fly to Madrid?

The month of February is, on average, the cheapest month to fly to Madrid from Ontario, with most prices found around $574. If you don’t want to visit Madrid in February, then you should wait until January to fly from Ontario, when ticket prices are also cheap, with an average price of $613.

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

The cheapest day to depart on your flight to Madrid is on a Wednesday when prices can be found for as low as $744. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Madrid on Saturday is $1,049.

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

Flying to Madrid from Ontario in the evening is the least expensive time of day to depart. momondo users have found prices as low as $654 when looking at flights departing in the evening. Flights to Madrid are more costly in the afternoon, with an average ticket price of $871. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Madrid?

You are more likely to see cheaper flights to Madrid from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Madrid for around $834 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Madrid from Ontario for as low as $489 on momondo.

Can stopping save me money on Ontario to Madrid flights?

You could potentially save up to 13% on your flight if you consider stops on a Ontario to Madrid flight.

When to book flights from Ontario to Madrid

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

Estimated round-trip price

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

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

Best Price Found	$395
Fastest flight time	13h 08m
Direct flights	None
Airports in Madrid	1 airport

The best one-way flight to Madrid from Ontario in the past 72 hours is $395. The best round-trip flight deal from Ontario to Madrid found on momondo in the last 72 hours is $402.

The fastest flight from Ontario to Madrid takes 13h 08m

There are no direct flights from Ontario to Madrid. Popular non-direct route for this connection is Ontario Airport - Madrid Barajas Airport.

There is 1 airport near Madrid: Madrid Barajas (MAD)

Search flight deals

How far is Ontario to Madrid Barajas by plane?
A flight from Ontario to Madrid Barajas will travel around 5789.5 mi. 13h 15m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Madrid Barajas Airport?
Prices for flights from Ontario Airport to Madrid Barajas Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Madrid Barajas Airport?
As of August 2025, there are 5 operators available to choose from for flights from Ontario Airport to Madrid Barajas Airport.
How old do you have to be to fly from Ontario Airport to Madrid Barajas 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 Ontario Airport to Madrid Barajas Airport.
What documentation or ID do you need to fly to Madrid Barajas Airport?
The travel and health documents required for your trip to Madrid Barajas 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 Madrid Barajas Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Madrid?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Madrid is American Airlines (31% of total bookings). The next most popular airlines are Iberia (27%), British Airways (25%), and United Airlines (12%).

Best airlines flying from Ontario to Madrid

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $444	Free Cancellation	Rating 8.0 7,987 reviews	Search Delta flights
United Airlines	PriceFrom $492	Free Cancellation	Rating 7.4 8,915 reviews	Search United Airlines flights
Iberia	PriceFrom $496	Free Cancellation	Rating 7.0 2,865 reviews	Search Iberia flights
American Airlines	PriceFrom $504	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
British Airways	PriceFrom $560	Free Cancellation	Rating 6.6 7,235 reviews	Search British Airways flights

Toledo

Segovia

Getafe

Fuenlabrada

San Lorenzo de El Escorial

Guadalajara

Why use momondo?

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

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 Madrid for you.

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

Yes. momondo allows you to filter the results for Ontario to Madrid flights to just show those with flexible booking policies.

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

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 Madrid.

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

Yes. momondo can track prices for Ontario to Madrid 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.

An easier way to manage your Madrid trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Ontario to Madrid from $395

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Madrid departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Cheap round-trip flights

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Delta flights from Ontario to Madrid

Our best Delta deals on Ontario to Madrid flight tickets

Iberia flights from Ontario to Madrid

Our best Iberia deals on Ontario to Madrid flight tickets

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Use the filters below to find and compare flights from Ontario to Madrid that are best for you.

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How to get the cheapest flight ticket from Ontario to Madrid

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

What is the typical price of a round-trip flight between Ontario and Madrid?

What is the cheapest month to fly to Madrid?

The month of February is, on average, the cheapest month to fly to Madrid from Ontario, with most prices found around $574. If you don’t want to visit Madrid in February, then you should wait until January to fly from Ontario, when ticket prices are also cheap, with an average price of $613.

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

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

How far in advance should I book a flight to Madrid?

Can stopping save me money on Ontario to Madrid flights?

You could potentially save up to 13% on your flight if you consider stops on a Ontario to Madrid flight.

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

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

What airlines fly to Madrid?

Which airport is the most popular layover for flights between Ontario and Madrid?

Dallas (DFW) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Ontario to Madrid?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $525.

Which layover airport has the shortest travel time from Ontario to Madrid?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 13h 55m.

Which layover airport has the shortest connection time from Ontario to Madrid?

Dallas (DFW) has the shortest average layover time for this route: 2h 24m.

When to book flights from Ontario to Madrid

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Madrid

How far is Ontario to Madrid Barajas by plane?

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

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

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

What documentation or ID do you need to fly to Madrid Barajas Airport?

What is the most popular airline from Ontario to Madrid?

Best airlines flying from Ontario to Madrid

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

Traveling to a place near Madrid?

Why use momondo?

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

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

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

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

An easier way to manage your Madrid trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Spain

Fly your favorite airline to Madrid

Airlines are sorted and displayed according to clicks in the past 7 days on momondo