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

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

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

United Airlines, Air Canada, and Virgin Atlantic are the most popular carriers operating from Ontario to Madrid Barajas

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.

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 51% 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.

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 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 October 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.

$386 Cheap Flights from Ontario to Madrid in 2025/26

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6:00 am - 9:25 amONT-MAD

18h 25m1 stop

1:00 pm - 9:28 pmMAD-ONT

17h 28m1 stop

$440British Airways

Find Deal

qua, fev 4 - sex, fev 20

5:00 am - 8:00 amONT-MAD

18h 00m2 stops

1:35 pm - 10:35 pmMAD-ONT

42h 00m3 stops

$465United Airlines

Find Deal

qua, fev 25 - qua, mar 4

5:05 am - 9:15 amONT-MAD

19h 10m2 stops

8:30 am - 12:38 pmMAD-ONT

37h 08m2 stops

$479United Airlines

Find Deal

seg, dez 8 - qua, dez 24

7:05 am - 8:00 amONT-MAD

15h 55m1 stop

11:15 am - 11:04 pmMAD-ONT

20h 49m1 stop

$480Delta

Find Deal

sex, nov 28 - sex, dez 12

12:46 pm - 6:15 amONT-MAD

32h 29m1 stop

12:40 pm - 9:38 amMAD-ONT

29h 58m1 stop

$481American Airlines

Find Deal

seg, dez 8 - qua, dez 24

7:16 am - 6:15 amONT-MAD

13h 59m1 stop

1:00 pm - 10:31 pmMAD-ONT

18h 31m1 stop

$488Iberia

Find Deal

dom, fev 8 - dom, fev 22

7:16 am - 6:15 amONT-MAD

13h 59m1 stop

12:55 am - 10:08 amMAD-ONT

18h 13m1 stop

$490Iberia

Find Deal

dom, jan 11 - seg, jan 19

10:25 pm - 8:00 amONT-MAD

24h 35m2 stops

11:15 am - 10:00 amMAD-ONT

31h 45m1 stop

$514Delta

Find Deal

seg, dez 8 - qua, dez 24

7:05 am - 8:00 amONT-MAD

15h 55m1 stop

11:15 am - 7:39 pmMAD-ONT

17h 24m1 stop

$529KLM

Find Deal

sex, nov 28 - seg, dez 8

7:05 am - 8:00 amONT-MAD

15h 55m1 stop

11:15 am - 7:39 pmMAD-ONT

17h 24m1 stop

$564KLM

Find Deal

sex, nov 28 - sex, dez 12

British Airways flights from Ontario to Madrid

Our best British Airways deals on Ontario to Madrid flight tickets

British Airways

Feb 4

ONT6:00 amOntario

18h 25m

1 stop

MAD9:25 amMadrid Barajas

Feb 20

MAD1:00 pmMadrid Barajas

17h 28m

1 stop

ONT9:28 pmOntario

$440

Find similar

British Airways

Feb 8

ONT3:09 pmOntario

18h 16m

2 stops

MAD6:25 pmMadrid Barajas

Feb 22

MAD1:00 pmMadrid Barajas

17h 28m

1 stop

ONT9:28 pmOntario

$535

Find similar

British Airways

Feb 7

ONT7:16 amOntario

17h 09m

1 stop

MAD9:25 amMadrid Barajas

Feb 14

MAD1:00 pmMadrid Barajas

17h 28m

1 stop

ONT9:28 pmOntario

$540

Find similar

Iberia flights from Ontario to Madrid

Our best Iberia deals on Ontario to Madrid flight tickets

Iberia

Feb 8

ONT7:16 amOntario

13h 59m

1 stop

MAD6:15 amMadrid Barajas

Feb 22

MAD1:00 pmMadrid Barajas

18h 31m

1 stop

ONT10:31 pmOntario

$488

Find similar

Iberia

Jan 11

ONT7:16 amOntario

13h 59m

1 stop

MAD6:15 amMadrid Barajas

Jan 19

MAD12:55 amMadrid Barajas

18h 13m

1 stop

ONT10:08 amOntario

$490

Find similar

Iberia

Feb 8

ONT10:58 amOntario

20h 32m

2 stops

MAD4:30 pmMadrid Barajas

Feb 22

MAD1:00 pmMadrid Barajas

18h 31m

1 stop

ONT10:31 pmOntario

$553

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

qua 2/4

6:00 am-9:25 am

1 stop18h 25m

Madrid Barajas

sex 2/20

1:00 pm-9:28 pm

1 stop17h 28m

$440

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

qua 2/25

5:00 am-8:00 am

2 stops18h 00m

Madrid Barajas

qua 3/4

1:35 pm-10:35 pm

3 stops42h 00m

$465

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

seg 12/8

5:05 am-9:15 am

2 stops19h 10m

Madrid Barajas

qua 12/24

8:30 am-12:38 pm

2 stops37h 08m

$479

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

sex 11/28

7:05 am-8:00 am

1 stop15h 55m

Madrid Barajas

sex 12/12

11:15 am-11:04 pm

1 stop20h 49m

$480

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

seg 12/8

12:46 pm-6:15 am

1 stop32h 29m

Madrid Barajas

qua 12/24

12:40 pm-9:38 am

1 stop29h 58m

$481

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

dom 2/8

7:16 am-6:15 am

1 stop13h 59m

Madrid Barajas

dom 2/22

1:00 pm-10:31 pm

1 stop18h 31m

$488

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

dom 1/11

7:16 am-6:15 am

1 stop13h 59m

Madrid Barajas

seg 1/19

12:55 am-10:08 am

1 stop18h 13m

$490

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

seg 12/8

10:25 pm-8:00 am

2 stops24h 35m

Madrid Barajas

qua 12/24

11:15 am-10:00 am

1 stop31h 45m

$514

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

sex 11/28

7:05 am-8:00 am

1 stop15h 55m

Madrid Barajas

seg 12/8

11:15 am-7:39 pm

1 stop17h 24m

$529

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

sex 11/28

7:05 am-8:00 am

1 stop15h 55m

Madrid Barajas

sex 12/12

11:15 am-7:39 pm

1 stop17h 24m

$564

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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

Prices

Airlines

Layovers

What is the cheapest month to fly to Madrid?

The month of October is, on average, the cheapest month to fly to Madrid from Ontario, with most prices found around $573. If you don’t want to visit Madrid in October, then you should wait until December to fly from Ontario, when ticket prices are also cheap, with an average price of $590.

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 $757. 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 $1,064.

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 $672 when looking at flights departing in the evening. Flights to Madrid are more costly in the afternoon, with an average ticket price of $889. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Ontario to Madrid flights?

You could potentially save up to 19% 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

Direct flights	None

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

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 27m 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 October 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 Iberia (29% of total bookings). The next most popular airlines are American Airlines (28%), British Airways (25%), and United Airlines (10%).

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 7.9 7,993 reviews	Search Delta flights
British Airways	PriceFrom $489	Free Cancellation	Rating 6.7 7,487 reviews	Search British Airways flights
Iberia	PriceFrom $489	Free Cancellation	Rating 7.0 3,002 reviews	Search Iberia flights
United Airlines	PriceFrom $523	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights
American Airlines	PriceFrom $595	Free Cancellation	Rating 7.2 11,030 reviews	Search American Airlines flights

Toledo

Segovia

Getafe

Fuenlabrada

San Lorenzo de El Escorial

Cuenca

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.

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Cheap flights from Ontario to Madrid from $386

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 2/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Ontario to Madrid

Our best British Airways deals on Ontario to Madrid flight tickets

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Our best Iberia deals on Ontario to Madrid flight tickets

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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 cheapest month to fly to Madrid?

The month of October is, on average, the cheapest month to fly to Madrid from Ontario, with most prices found around $573. If you don’t want to visit Madrid in October, then you should wait until December to fly from Ontario, when ticket prices are also cheap, with an average price of $590.

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?

Can stopping save me money on Ontario to Madrid flights?

You could potentially save up to 19% 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, Air Canada, and Virgin Atlantic 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

Direct flights

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