Madrid

$297+ Cheap flights from Ontario (ONT) to Madrid, Spain (MAD)

ONT — MAD
Nov 29 — Dec 61
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1. Tell us where you want to go

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2. Select your favorite providers

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Cheap flight deals from Ontario to Madrid

Cheapest flights from Ontario to Madrid

Wed 12/306:00 am -
2 stops17h 00m
Wed 1/201:25 pm -
2 stops38h 25m
Deal found 10/29$756
Fri 11/2710:55 am -
3 stops27h 35m
Fri 12/117:40 am -
2 stops24h 43m
Deal found 10/28$783
Wed 12/306:00 am -
2 stops17h 00m
Tue 1/121:25 pm -
2 stops37h 10m
Deal found 10/27$785
Thu 12/36:00 am -
3 stops29h 40m
Wed 12/97:40 am -
2 stops24h 43m
Deal found 10/28$789
Wed 12/28:00 am -
3 stops30h 30m
Wed 12/97:40 am -
2 stops24h 43m
Deal found 10/29$794
Wed 12/307:00 am -
1 stop17h 25m
Wed 1/201:00 pm -
1 stop19h 13m
Deal found 10/29$805

Find flight deals from Ontario to Madrid

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$755
(Expedia)

One-way from

$297
(Mytrip)

Popular in

June

Cheapest in

August

Average price

$933
Provider with most accurate pricing for Ontario-Madrid Barajas flight deals.
Provider most trusted by Cheapflights users for Ontario-Madrid Barajas flights.
From Ontario to Madrid Barajas
One-way flight from Ontario to Madrid Barajas
Highest demand for flights based on searches. 40% potential increase in price ($626 potential increase over avg. RT price).
Cheapest flight prices on average. 10% potential price decrease ($88 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMadrid

ONT Ontario - MAD Madrid Barajas

ONTMAD

Ontario

Wed 2/17

5:00 am-9:30 am

2 stops19h 30m

Madrid Barajas

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$360
Quickest round-trip

OntarioMadrid

ONT Ontario - MAD Madrid Barajas

ONTMAD

Ontario

Mon 1/25

1:09 pm-11:45 am

1 stop13h 36m

Madrid Barajas

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$360

OntarioMadrid

ONT Ontario - MAD Madrid Barajas

ONTMAD

Ontario

Mon 1/25

7:00 am-9:30 am

2 stops17h 30m

Madrid Barajas

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$360

OntarioMadrid

ONT Ontario - MAD Madrid Barajas

ONTMAD

Ontario

Wed 2/17

7:00 am-9:45 am

1 stop17h 45m

Madrid Barajas

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$360

OntarioMadrid

ONT Ontario - MAD Madrid Barajas

ONTMAD

Ontario

Sat 1/16

11:20 am-9:30 am

2 stops37h 10m

Madrid Barajas

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$378

OntarioMadrid

ONT Ontario - MAD Madrid Barajas

ONTMAD

Ontario

Fri 1/22

1:42 pm-9:30 am

2 stops58h 48m

Madrid Barajas

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$383

OntarioMadrid

ONT Ontario - MAD Madrid Barajas

ONTMAD

Ontario

Fri 1/29

7:05 am-11:45 am

1 stop19h 40m

Madrid Barajas

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$410

OntarioMadrid

ONT Ontario - MAD Madrid Barajas

ONTMAD

Ontario

Sat 2/13

7:00 am-9:45 am

1 stop17h 45m

Madrid Barajas

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$410

OntarioMadrid

ONT Ontario - MAD Madrid Barajas

ONTMAD

Ontario

Fri 1/29

7:00 am-9:30 am

2 stops17h 30m

Madrid Barajas

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$410

OntarioMadrid

ONT Ontario - MAD Madrid Barajas

ONTMAD

Ontario

Thu 1/21

5:00 am-9:30 am

2 stops19h 30m

Madrid Barajas

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Ontario to Madrid

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Madrid in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Madrid flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-Madrid flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Ontario-Madrid flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Madrid flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Madrid flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Madrid

Have a flexible travel schedule? Discover the best time to fly to Madrid from Ontario with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ontario to Madrid

What is the cheapest month to book a flight from Ontario to Madrid?

Currently, August is the cheapest month in which you can book a flight from Ontario to Madrid (average of $490). Flying from Ontario to Madrid in June is currently the most expensive (average of $1,889). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Ontario to Madrid?

Airfare is below average for this route at the moment.

Ontario to Madrid flights typically cost between $762 and $825 in January.
The cheapest round-trip price found within the last 5 days was $755 on British Airways (Jan 20-Jan 27).

Reviews of airlines servicing Madrid

Read through reviews of airlines operating flights from Ontario to Madrid, such as KLM,American Airlines, andIberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.8

Crew

8.4

Food

7.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

Boarding

7.8

Crew

8.4

Food

7.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

Boarding

7.8

Crew

8.4

Food

7.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

Boarding

7.8

Crew

8.4

Food

7.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

Boarding

7.8

Crew

8.4

Food

7.4

Overall

7.8

Comfort

7.7

Entertainment

7.2

Reviews

1 / 20
8.0
Excellent

Meghana,Aug 2026

QRO - ATL

It was a good one. They were very friendly and helpful

Related info for your journey

  • How long is the flight from Ontario to Madrid?

    There are many flights that can get you from Ontario to Madrid in 17h. Fly via United Airlines, KLM, or Delta to get the fastest option. Ontario and Madrid are separated by a distance of 5790 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Ontario to Madrid round-trip?

    Our cheapest airline available from Ontario to Madrid is American Airlines. Our recent data shows that you can find tickets from as low as $439 on this airline. Additional options worth looking into are British Airways and Iberia, starting at $474 and $539 round-trip. American Airlines is priced at 52% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Ontario to Madrid that include hotel bookings?

    Yes. In addition to deals on Ontario to Madrid flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Madrid?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Madrid.

  • Can I find deals for business class flights from Ontario to Madrid?

    Yes. Cheapflights offers flight deals from Ontario to Madrid by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Madrid?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Madrid (average of $490). Flying from Ontario to Madrid in June is currently the most expensive (average of $1,889). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Madrid?

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Getafe

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Top 4 airlines flying from Ontario to Madrid

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$439Average$818FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$474Average$1,091FlexibilityNo cancel feeOn-time70%
IberiaCheapest$539Average$815FlexibilityNo cancel feeOn-time77%
KLMCheapest$594Average$671FlexibilityNo cancel feeOn-time75%

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