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$364+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$426
(oojo)

One-way from

$364
(Kiwi.com)

Popular in

May

Cheapest in

October

Average price

$604
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 ($364 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($44 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 8, 2026.

This oojo deal was found by Cheapflights users on 1/7. 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 pmONT - MAD
2 stops18h 20mBritish Airways
Wed 2/1112:40 pmMAD - ONT
1 stop19h 08mBritish Airways
Deal found 1/7$426
This oojo deal was found by Cheapflights users on 1/6. 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 3/42:39 pmONT - MAD
2 stops18h 51mBritish Airways
Wed 3/1110:35 amMAD - ONT
2 stops19h 44mBritish Airways
Deal found 1/6$431
This oojo deal was found by Cheapflights users on 1/7. 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.
Sun 2/225:02 pmONT - MAD
2 stops16h 23mBritish Airways
Mon 3/28:50 pmMAD - ONT
2 stops30h 52mBritish Airways
Deal found 1/7$432
This oojo deal was found by Cheapflights users on 1/5. 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 1/1310:58 amONT - MAD
1 stop13h 27mBritish Airways
Thu 1/221:00 pmMAD - ONT
1 stop18h 48mBritish Airways
Deal found 1/5$437
This Delta deal was found by Cheapflights users on 1/6. 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.
Wed 4/1512:39 pmONT - MAD
1 stop14h 36mDelta
Fri 4/2412:40 pmMAD - ONT
1 stop17h 18mDelta
Deal found 1/6$439
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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.
Sun 1/254:45 pmONT - MAD
2 stops18h 15mBritish Airways
Tue 2/101:00 pmMAD - ONT
1 stop18h 48mBritish Airways
Deal found 1/7$441
This oojo deal was found by Cheapflights users on 1/6. 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 3/36:00 amONT - MAD
1 stop18h 25mBritish Airways
Tue 3/176:05 pmMAD - ONT
2 stops32h 37mBritish Airways
Deal found 1/6$442
This KLM deal was found by Cheapflights users on 1/7. 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.
Sun 1/2510:30 pmONT - MAD
2 stops24h 30mKLM
Tue 2/1010:00 amMAD - ONT
2 stops20h 05mKLM
Deal found 1/7$444
This Delta deal was found by Cheapflights users on 1/6. 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.
Mon 2/2310:20 pmONT - MAD
1 stop25h 55mDelta
Thu 4/1612:40 pmMAD - ONT
1 stop17h 18mDelta
Deal found 1/6$445
This British Airways deal was found by Cheapflights users on 1/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:59 amONT - MAD
2 stops18h 16mBritish Airways
Mon 4/209:00 pmMAD - ONT
2 stops28h 22mBritish Airways
Deal found 1/6$448

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 8, 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

Wed 4/15

7:30 am-3:50 pm

2 stops23h 20m

Madrid Barajas

Tue 4/21

10:25 am-8:27 pm

1 stop19h 02m

$436

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 4/14

10:59 am-2:55 pm

2 stops18h 56m

Madrid Barajas

Tue 4/21

1:00 pm-8:54 pm

1 stop16h 54m

$436

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 3/4

2:39 pm-4:55 pm

2 stops17h 16m

Madrid Barajas

Wed 3/11

12:30 pm-9:24 pm

1 stop16h 54m

$436

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 1/20

10:30 pm-8:00 am

2 stops24h 30m

Madrid Barajas

Thu 1/29

10:00 am-9:05 pm

2 stops20h 05m

$444

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 2/4

10:58 am-1:05 pm

2 stops17h 07m

Madrid Barajas

Tue 2/10

11:30 am-10:48 pm

2 stops20h 18m

$444

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 1/25

10:30 pm-8:00 am

2 stops24h 30m

Madrid Barajas

Tue 2/10

10:00 am-9:05 pm

2 stops20h 05m

$444

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 2/4

7:16 am-1:05 pm

2 stops20h 49m

Madrid Barajas

Wed 2/11

4:25 pm-10:06 am

2 stops26h 41m

$444

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 3/10

6:00 am-11:30 am

2 stops21h 30m

Madrid Barajas

Tue 3/17

10:05 am-9:04 pm

1 stop18h 59m

$458

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 4/15

10:15 pm-12:15 pm

1 stop29h 00m

Madrid Barajas

Wed 4/22

12:40 pm-8:58 pm

1 stop17h 18m

$496

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 4/15

10:15 pm-12:15 pm

1 stop29h 00m

Madrid Barajas

Tue 4/21

12:40 pm-8:58 pm

1 stop17h 18m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 23 results
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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

*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 $691). 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 8, 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
8,030 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
8,030 reviews
Delta
7.9
Good
8,030 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
11,095 reviews
Delta
7.9
Good
8,030 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
3,079 reviews
Delta
7.9
Good
8,030 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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
7,659 reviews
Delta
7.9
Good
8,030 reviews

Entertainment

7.8

Food

7.2

Comfort

7.9

Crew

8.5

Overall

7.9

Boarding

8.1

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 23h 20m. Fly via British Airways or KLM 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 $691). 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

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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 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$444Average$873FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$497Average$710FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$517Average$952FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$595Average$1,242FlexibilityNo cancel feeOn-time71%

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