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$368+ Cheap flights from Ontario (ONT) to Madrid, Spain (MAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
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Cheap flight deals from Ontario to Madrid

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Madrid (MAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$419
(oojo)

One-way from

$368
(oojo)

Popular in

May

Cheapest in

October

Average price

$584
Provider with most accurate pricing for Ontario-Madrid Barajas flight deals.
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Provider most trusted by Cheapflights users for Ontario-Madrid Barajas flights.
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From Ontario to Madrid Barajas
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One-way flight from Ontario to Madrid Barajas
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Highest demand for flights based on searches. 30% potential increase in price ($366 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Ontario to Madrid

Cheapest flights from Ontario to Madrid
Explore the most affordable flight options available from Ontario to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2026.

This oojo deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/24:45 pm
ONT
-
MAD
2 stops33h 20m
British Airways
Wed 2/1112:50 pm
MAD
-
ONT
2 stops42h 17m
British Airways
Deal found 1/14$419
This oojo deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/44:45 pm
ONT
-
MAD
2 stops18h 20m
British Airways
Thu 2/1912:40 pm
MAD
-
ONT
1 stop20h 19m
British Airways
Deal found 1/15$426
This Virgin Atlantic deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/261:11 pm
ONT
-
MAD
2 stops59h 04m
Virgin Atlantic
Tue 2/1010:00 am
MAD
-
ONT
2 stops22h 58m
Virgin Atlantic
Deal found 1/14$430
This oojo deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:39 pm
ONT
-
MAD
2 stops18h 51m
British Airways
Mon 3/28:50 pm
MAD
-
ONT
2 stops28h 32m
British Airways
Deal found 1/15$431
This oojo deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:00 am
ONT
-
MAD
1 stop18h 25m
British Airways
Wed 2/1812:40 pm
MAD
-
ONT
1 stop19h 09m
British Airways
Deal found 1/15$436
This KLM deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:39 pm
ONT
-
MAD
1 stop14h 36m
KLM
Tue 4/2112:40 pm
MAD
-
ONT
1 stop17h 18m
KLM
Deal found 1/14$439
This Cheapflightsfares deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:19 pm
ONT
-
MAD
2 stops19h 11m
British Airways
Tue 3/1711:25 am
MAD
-
ONT
1 stop19h 24m
British Airways
Deal found 1/14$441
This oojo deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/216:00 am
ONT
-
MAD
1 stop18h 25m
British Airways
Fri 1/3010:35 am
MAD
-
ONT
2 stops20h 38m
British Airways
Deal found 1/14$442
This Finnair deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/107:16 am
ONT
-
MAD
2 stops20h 49m
Multiple Airlines
Wed 2/184:25 pm
MAD
-
ONT
2 stops26h 41m
Multiple Airlines
Deal found 1/15$444
This Delta deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1710:20 pm
ONT
-
MAD
1 stop25h 55m
Delta
Wed 3/411:15 am
MAD
-
ONT
1 stop18h 50m
Delta
Deal found 1/14$445
This oojo deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/142:39 pm
ONT
-
MAD
1 stop33h 46m
British Airways
Tue 2/2412:40 pm
MAD
-
ONT
1 stop36h 39m
British Airways
Deal found 1/14$447

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Madrid that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2026.
Use the filters below to find and compare flights from Ontario to Madrid that are best for you.

Fly from

Ontario

Fly to

Madrid

Route

Depart

Return

Price

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 1/26

10:30 pm-8:00 am

2 stops24h 30m

Madrid Barajas

Tue 2/10

11:15 am-9:05 pm

1 stop18h 50m

$430

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 4/14

12:39 pm-12:15 pm

1 stop14h 36m

Madrid Barajas

Tue 4/21

12:40 pm-8:58 pm

1 stop17h 18m

$439

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 4/13

12:19 pm-11:25 pm

2 stops26h 06m

Madrid Barajas

Mon 5/4

1:00 pm-10:09 am

1 stop30h 09m

$492

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 4/14

10:59 am-8:05 pm

2 stops24h 06m

Madrid Barajas

Mon 5/4

1:00 pm-10:09 am

1 stop30h 09m

$492

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 1/26

5:05 am-8:00 am

2 stops17h 55m

Madrid Barajas

Tue 2/10

6:00 am-5:43 pm

2 stops20h 43m

$493

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 2/16

5:00 am-8:00 am

2 stops18h 00m

Madrid Barajas

Tue 3/3

6:00 am-8:50 pm

2 stops23h 50m

$493

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 3/17

5:15 am-7:00 am

2 stops17h 45m

Madrid Barajas

Tue 3/31

5:55 am-6:02 pm

2 stops21h 07m

$493

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 2/10

5:05 am-9:15 am

2 stops19h 10m

Madrid Barajas

Wed 2/18

11:15 am-9:59 pm

2 stops19h 44m

$494

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 2/15

10:20 pm-9:15 am

1 stop25h 55m

Madrid Barajas

Sun 3/1

11:15 am-9:05 pm

1 stop18h 50m

$495

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 4/14

10:59 am-10:10 pm

2 stops26h 11m

Madrid Barajas

Thu 5/7

3:55 pm-11:46 pm

1 stop16h 51m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 23 results
1
2
3

Compare providers for flights from Ontario to Madrid

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Madrid in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Madrid flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, February is the cheapest month in which you can book a flight from Ontario to Madrid (average of $337). Flying from Ontario to Madrid in June is currently the most expensive (average of $690). 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?

Reviews of airlines servicing Madrid

Get insights into the airlines that provide service to Madrid. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Madrid. Reviews last updated January 16, 2026.
Read through reviews of airlines operating flights from Ontario to Madrid, such as Delta, American Airlines, and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,051 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,051 reviews
Delta
7.9
Good
8,051 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
11,136 reviews
Delta
7.9
Good
8,051 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
3,087 reviews
Delta
7.9
Good
8,051 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.7
Okay
7,680 reviews
Delta
7.9
Good
8,051 reviews

Overall

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Madrid. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Madrid?

    There are many flights that can get you from Ontario to Madrid in 24h 30m. Fly via KLM or British Airways 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 Delta. Our recent data shows that you can find tickets from as low as $444 on this airline. Additional options worth looking into are Iberia and British Airways, starting at $497 and $517 round-trip. Delta is priced at 45% 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, February is the cheapest month in which you can book a flight from Ontario to Madrid (average of $337). Flying from Ontario to Madrid in June is currently the most expensive (average of $690). 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?

Book flights to Madrid if you plan to visit one of these locations
Getafe

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Ontario to Madrid

Discover the top 4 airlines that operate flights from Ontario to Madrid. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$444Average$873FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$497Average$731FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$517Average$952FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$595Average$1,243FlexibilityNo cancel feeOn-time71%

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