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Ontario

$322+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$537
(United Airlines)

One-way from

$322
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$661
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. 6% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 3/78:25 amMAD - ONT
2 stops37h 19mUnited Airlines
Tue 3/115:05 amONT - MAD
2 stops20h 30mUnited Airlines
Deal found 2/20$537
This Iberia deal was found by Cheapflights users on 2/20. 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 2/274:00 pmMAD - ONT
1 stop16h 53mIberia
Wed 4/3012:50 pmONT - MAD
1 stop16h 30mIberia
Deal found 2/20$548
This Delta deal was found by Cheapflights users on 2/20. 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 3/711:00 amMAD - ONT
1 stop20h 52mDelta
Tue 3/115:40 amONT - MAD
2 stops25h 45mDelta
Deal found 2/20$554
This Lufthansa deal was found by Cheapflights users on 2/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/77:25 amMAD - ONT
2 stops22h 32mMultiple Airlines
Tue 3/116:00 amONT - MAD
3 stops25h 35mMultiple Airlines
Deal found 2/20$574
This Kissandfly.com deal was found by Cheapflights users on 2/19. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:10 amMAD - ONT
2 stops25h 35mLufthansa
Tue 3/111:40 pmONT - MAD
2 stops17h 55mLufthansa
Deal found 2/19$584
This KLM deal was found by Cheapflights users on 2/19. 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 3/711:00 amMAD - ONT
1 stop20h 52mKLM
Tue 3/117:00 amONT - MAD
1 stop17h 00mKLM
Deal found 2/19$642
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/71:00 pmMAD - ONT
1 stop18h 31mBritish Airways
Tue 3/116:00 amONT - MAD
1 stop19h 25mBritish Airways
Deal found 2/20$743
This American Airlines deal was found by Cheapflights users on 2/19. 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 9/261:00 pmMAD - ONT
1 stop16h 01mAmerican Airlines
Fri 10/33:00 pmONT - MAD
1 stop14h 20mAmerican Airlines
Deal found 2/19$749
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Fri 3/712:40 pmMAD - ONT
3 stops33h 04mAir Canada
Tue 3/115:05 amONT - MAD
3 stops20h 30mAir Canada
Deal found 2/20$876

Find flights from Madrid to Ontario within your budget

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 February 20, 2025.

Fly from

Madrid

Fly to

Ontario

Route

Depart

Return

Price

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 3/7

8:25 am-12:44 pm

2 stops37h 19m

Ontario

Tue 3/11

5:05 am-9:35 am

2 stops20h 30m

$537

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 3/7

11:00 am-10:52 pm

1 stop20h 52m

Ontario

Tue 3/11

5:40 am-3:25 pm

2 stops25h 45m

$554

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 3/7

7:25 am-8:57 pm

2 stops22h 32m

Ontario

Tue 3/11

6:00 am-3:35 pm

3 stops25h 35m

$574

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 3/7

6:10 am-10:45 pm

2 stops25h 35m

Ontario

Tue 3/11

1:40 pm-3:35 pm

2 stops17h 55m

$584

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 3/7

11:00 am-10:52 pm

1 stop20h 52m

Ontario

Tue 3/11

7:00 am-8:00 am

1 stop17h 00m

$642

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 4/23

4:00 pm-11:50 pm

1 stop16h 50m

Ontario

Sat 5/3

2:44 pm-2:20 pm

1 stop14h 36m

$733

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 3/7

1:00 pm-10:31 pm

1 stop18h 31m

Ontario

Tue 3/11

6:00 am-9:25 am

1 stop19h 25m

$743

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 4/28

4:00 pm-11:50 pm

1 stop16h 50m

Ontario

Fri 5/16

2:44 pm-2:20 pm

1 stop14h 36m

$798

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Fri 3/7

12:40 pm-12:44 pm

3 stops33h 04m

Ontario

Tue 3/11

5:05 am-9:35 am

3 stops20h 30m

$876

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 3/12

11:30 am-9:44 am

2 stops30h 14m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 18 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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.

Travel insights for flights from Madrid to Ontario

Get recent, data-driven insights about flights from Madrid to Ontario including ideal travel times, pricing trends, and more.

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 $315). 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 February 20, 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
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
8,765 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
8,748 reviews
Delta
8.0
Very good
8,219 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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 United Airlines. Our recent data shows that you can find tickets from as low as $537 on this airline. Additional options worth looking into are Delta and Lufthansa, starting at $554 and $584 round-trip. United Airlines is currently priced 44% below the average price you’ll pay for this route.

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

    For one-way options, check prices for KLM. According to our data, you can fly for as low as $683. Users have also found prices from $726 and $797 on Avianca 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 $315). 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

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Top 2 airlines flying from Madrid to Ontario

Discover the top 2 airlines 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$764Average$1,336FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$942Average$1,289FlexibilityNo cancel feeOn-time70%
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