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$395+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Madrid Barajas are usually found in February or January, booked 15 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 June 12, 2025.

Round-trip from

$487
(United Airlines)

One-way from

$395
(Air Canada)

Popular in

May

Cheapest in

February

Average price

$1,266
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. 24% potential increase in price ($273 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/296:38 pmONT - MAD
2 stops28h 27mUnited Airlines
Wed 11/191:20 pmMAD - ONT
2 stops32h 13mUnited Airlines
Deal found 6/11$487
This Air Canada deal was found by Cheapflights users on 6/10. 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.
Mon 11/31:00 pmONT - MAD
2 stops34h 05mAir Canada
Wed 11/191:20 pmMAD - ONT
2 stops32h 13mAir Canada
Deal found 6/10$515
This Iberia deal was found by Cheapflights users on 6/12. 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.
Sun 9/72:30 pmONT - MAD
1 stop14h 50mIberia
Wed 9/1712:40 pmMAD - ONT
1 stop15h 20mIberia
Deal found 6/12$522
This KLM deal was found by Cheapflights users on 6/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:05 amONT - MAD
1 stop17h 30mKLM
Tue 9/1610:05 amMAD - ONT
1 stop21h 36mKLM
Deal found 6/9$525
This Delta deal was found by Cheapflights users on 6/11. 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 8/410:05 pmONT - MAD
2 stops24h 45mDelta
Wed 8/2010:05 amMAD - ONT
1 stop21h 15mDelta
Deal found 6/11$526
This Kissandfly.com deal was found by Cheapflights users on 6/11. 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.
Sun 8/37:00 amONT - MAD
2 stops17h 00mLufthansa
Tue 8/1911:15 amMAD - ONT
2 stops18h 28mLufthansa
Deal found 6/11$546
This Finnair deal was found by Cheapflights users on 6/12. 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.
Sun 7/2012:55 pmONT - MAD
2 stops16h 25mMultiple Airlines
Wed 8/204:00 pmMAD - ONT
1 stop15h 48mMultiple Airlines
Deal found 6/12$554
This British Airways deal was found by Cheapflights users on 6/10. 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.
Tue 9/210:50 amONT - MAD
2 stops18h 25mBritish Airways
Tue 9/912:40 pmMAD - ONT
1 stop18h 53mBritish Airways
Deal found 6/10$588
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/46:15 amONT - MAD
2 stops18h 20mAmerican Airlines
Wed 8/204:00 pmMAD - ONT
1 stop15h 48mAmerican Airlines
Deal found 6/12$728

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 June 12, 2025.
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 10/29

6:38 pm-7:05 am

2 stops28h 27m

Madrid Barajas

Wed 11/19

1:20 pm-12:33 pm

2 stops32h 13m

$487

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 11/3

1:00 pm-8:05 am

2 stops34h 05m

Madrid Barajas

Wed 11/19

1:20 pm-12:33 pm

2 stops32h 13m

$515

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 9/7

2:30 pm-2:20 pm

1 stop14h 50m

Madrid Barajas

Wed 9/17

12:40 pm-7:00 pm

1 stop15h 20m

$522

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 9/7

7:05 am-9:35 am

1 stop17h 30m

Madrid Barajas

Tue 9/16

10:05 am-10:41 pm

1 stop21h 36m

$525

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 8/4

10:05 pm-7:50 am

2 stops24h 45m

Madrid Barajas

Wed 8/20

10:05 am-10:20 pm

1 stop21h 15m

$526

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 8/3

7:00 am-9:00 am

2 stops17h 00m

Madrid Barajas

Tue 8/19

11:15 am-8:43 pm

2 stops18h 28m

$546

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 7/20

12:55 pm-2:20 pm

2 stops16h 25m

Madrid Barajas

Wed 8/20

4:00 pm-10:48 pm

1 stop15h 48m

$554

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 9/2

10:50 am-2:15 pm

2 stops18h 25m

Madrid Barajas

Tue 9/9

12:40 pm-10:33 pm

1 stop18h 53m

$588

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 8/4

6:15 am-9:35 am

2 stops18h 20m

Madrid Barajas

Wed 8/20

4:00 pm-10:48 pm

1 stop15h 48m

$728

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 12/7

5:40 am-8:05 am

2 stops17h 25m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 18 results
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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

How far ahead should I book a flight from Ontario to Madrid?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Madrid. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Madrid, you should look to book at least 15 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Madrid (average of $543). Flying from Ontario to Madrid in June is currently the most expensive (average of $1,057). 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.

What is the cheapest time of day to fly from ONT to MAD?

Find hourly flight availability from Ontario to Madrid. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 14% on flights from Ontario to Madrid by exploring options for tickets in the afternoon.

Rainfall in Madrid by month

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

In terms of precipitation, rainfall in Madrid ranges from 0.4 - 2.4 inches per month. November is typically the wettest month, when rainfall can reach 2.4 in. July is typically the driest time to visit Madrid when rainfall is around 0.4 in.

Temperature in Madrid by month

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

If weather is an important factor for your trip to Madrid, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Ontario to Madrid to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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.
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

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.

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

    Our cheapest airline available from Ontario to Madrid is United Airlines. Our recent data shows that you can find tickets from as low as $487 on this airline. Additional options worth looking into are Air Canada and Iberia, starting at $515 and $522 round-trip. United Airlines is priced at 42% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $395. Users have also found prices from $399 and $423 on United Airlines and Iberia, respectively.

  • 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, November is the cheapest month in which you can book a flight from Ontario to Madrid (average of $543). Flying from Ontario to Madrid in June is currently the most expensive (average of $1,057). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Segovia
Fuenlabrada

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Top 5 airlines flying from Ontario to Madrid

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$489Average$917FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$492Average$590FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$504Average$816FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$560Average$808FlexibilityNo cancel feeOn-time70%
DeltaCheapest$661Average$873FlexibilityNo cancel feeOn-timeN/A

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