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Ontario

$573+ Cheap flights from Madrid, Spain (MAD) to Ontario (ONT)

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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — ONT
Apr 15 — Apr 221
Tue 4/15
Tue 4/22
1 adult, Economy
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Cheap flight deals from Madrid to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to Ontario (ONT). 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 April 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$660
(Iberia)

One-way from

$573
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$765
Provider with most accurate pricing for Madrid Barajas-Ontario flight deals.
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Provider most trusted by Cheapflights users for Madrid Barajas-Ontario flights.
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From Madrid Barajas to Ontario
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One-way flight from Madrid Barajas to Ontario
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Highest demand for flights based on searches. 12% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Madrid to Ontario

Cheapest flights from Madrid to Ontario
Explore the most affordable flight options available from Madrid to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2025.

This Iberia deal was found by Cheapflights users on 4/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/184:00 pmMAD - ONT
1 stop16h 36mIberia
Thu 9/253:00 pmONT - MAD
1 stop14h 20mIberia
Deal found 4/9$660
This American Airlines deal was found by Cheapflights users on 4/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/254:00 pmMAD - ONT
1 stop30h 49mAmerican Airlines
Tue 4/2910:40 pmONT - MAD
1 stop21h 50mAmerican Airlines
Deal found 4/9$677
This United Airlines deal was found by Cheapflights users on 4/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2912:45 pmMAD - ONT
2 stops35h 05mUnited Airlines
Tue 5/66:00 amONT - MAD
3 stops39h 40mUnited Airlines
Deal found 4/10$741
This Delta deal was found by Cheapflights users on 4/9. 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.
Fri 4/2512:40 pmMAD - ONT
2 stops31h 25mDelta
Tue 4/295:45 amONT - MAD
2 stops26h 00mDelta
Deal found 4/9$744
This KLM deal was found by Cheapflights users on 4/10. 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.
Fri 4/251:05 pmMAD - ONT
2 stops19h 36mKLM
Tue 4/2911:45 amONT - MAD
2 stops19h 40mKLM
Deal found 4/10$755
This Air France deal was found by Cheapflights users on 4/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2310:05 amMAD - ONT
1 stop21h 31mMultiple Airlines
Wed 4/305:15 pmONT - MAD
2 stops17h 15mMultiple Airlines
Deal found 4/10$804
This British Airways deal was found by Cheapflights users on 4/10. 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.
Wed 4/234:00 pmMAD - ONT
1 stop16h 50mBritish Airways
Wed 4/302:44 pmONT - MAD
2 stops20h 11mBritish Airways
Deal found 4/10$834
This Air Canada deal was found by Cheapflights users on 4/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2312:45 pmMAD - ONT
2 stops40h 36mAir Canada
Tue 5/61:45 pmONT - MAD
2 stops31h 55mAir Canada
Deal found 4/10$1,088
This Priceline deal was found by Cheapflights users on 4/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/141:30 amMAD - ONT
2 stops29h 25mAvianca
Tue 5/2711:25 pmONT - MAD
2 stops23h 15mAvianca
Deal found 4/10$1,278

Cheapflights Fare Finder

Customize your flight search to find flights from Madrid to Ontario 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 April 10, 2025.
Use the filters below to find and compare flights from Madrid to Ontario that are best for you.

Fly from

Madrid

Fly to

Ontario

Route

Depart

Return

Price

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 9/18

4:00 pm-11:36 pm

1 stop16h 36m

Ontario

Thu 9/25

3:00 pm-2:20 pm

1 stop14h 20m

$660

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 4/25

4:00 pm-1:49 pm

1 stop30h 49m

Ontario

Tue 4/29

10:40 pm-5:30 am

1 stop21h 50m

$677

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Tue 4/29

12:45 pm-8:21 pm

2 stops40h 36m

Ontario

Tue 5/6

4:15 pm-9:00 am

2 stops31h 45m

$741

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 4/25

12:40 pm-11:05 am

2 stops31h 25m

Ontario

Tue 4/29

5:45 am-4:45 pm

2 stops26h 00m

$744

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 4/25

1:05 pm-11:41 pm

2 stops19h 36m

Ontario

Tue 4/29

11:45 am-4:25 pm

2 stops19h 40m

$755

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 4/23

10:05 am-10:36 pm

1 stop21h 31m

Ontario

Wed 4/30

5:15 pm-7:30 pm

2 stops17h 15m

$804

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 4/23

4:00 pm-11:50 pm

1 stop16h 50m

Ontario

Wed 4/30

2:44 pm-7:55 pm

2 stops20h 11m

$834

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 4/23

12:45 pm-8:21 pm

2 stops40h 36m

Ontario

Tue 5/6

1:45 pm-6:40 am

2 stops31h 55m

$1,088

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 5/14

1:30 am-9:55 pm

2 stops29h 25m

Ontario

Tue 5/27

11:25 pm-7:40 am

2 stops23h 15m

$1,278

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Sun 6/29

1:50 pm-4:18 pm

3 stops59h 28m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 18 results
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Compare providers for flights from Madrid to Ontario

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 Madrid to Ontario in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 Madrid-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madrid-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Madrid-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Madrid-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub 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 Madrid-Ontario 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 Madrid to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Madrid 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 Madrid to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Madrid to Ontario (average of $246). Flying from Madrid to Ontario in March is currently the most expensive (average of $328). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated April 10, 2025.
Get a feel of what it's like to fly with Delta, KLM and United Airlines from Madrid to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,906 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,906 reviews
Delta
8.0
Very good
7,906 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,906 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,634 reviews
Delta
8.0
Very good
7,906 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,906 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.0
Good
9,083 reviews
Delta
8.0
Very good
7,906 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

    Our cheapest airline available from Madrid to Ontario is Iberia. Our recent data shows that you can find tickets from as low as $660 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $677 and $741 round-trip.

  • What are the cheapest airlines to fly from Madrid to Ontario one-way?

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $663. Users have also found prices from $715 and $721 on British Airways and American Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Madrid to Ontario 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 Madrid to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Madrid to Ontario (average of $246). Flying from Madrid to Ontario in March is currently the most expensive (average of $328). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Madrid to Ontario

Discover the top airline that operate flights from Madrid to Ontario. 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 April 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$508Average$926FlexibilityNo cancel feeOn-time77%

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