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Ontario

$384+ Cheap flights from Spain 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — ONT
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Spain to Ontario

Keep the following information in mind while searching for Spain to Ontario flight deals. Data was last updated April 22, 2025.

Round-trip from

$691
(Iberia)

One-way from

$384
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$729
From Spain to Ontario
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One-way flight from Spain to Ontario
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Highest demand for flights based on searches. 17% potential increase in price ($156 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 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 Spain to Ontario

Cheapest flights from Spain to Ontario
Explore the most affordable flight options available from Spain to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Iberia deal was found by Cheapflights users on 4/22. 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.
Mon 9/14:00 pmMAD - ONT
1 stop16h 29mIberia
Tue 9/93:00 pmONT - MAD
1 stop14h 20mIberia
Deal found 4/22$691
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 6/174:00 pmMAD - ONT
1 stop16h 02mAmerican Airlines
Sat 7/1910:53 amONT - MAD
1 stop13h 12mAmerican Airlines
Deal found 4/21$702
This Iberia deal was found by Cheapflights users on 4/22. 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.
Wed 9/312:20 pmBCN - ONT
1 stop18h 36mIberia
Wed 9/2410:54 amONT - BCN
1 stop14h 16mIberia
Deal found 4/22$722
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/79:35 amAGP - ONT
2 stops36h 03mUnited Airlines
Sun 5/115:05 amONT - AGP
2 stops41h 30mUnited Airlines
Deal found 4/21$744
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/712:45 pmMAD - ONT
2 stops17h 08mUnited Airlines
Sun 5/115:05 amONT - MAD
2 stops40h 35mUnited Airlines
Deal found 4/21$764
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 9/412:10 pmBCN - ONT
2 stops19h 20mUnited Airlines
Thu 9/187:00 amONT - BCN
1 stop21h 15mUnited Airlines
Deal found 4/22$768
This Air Canada deal was found by Cheapflights users on 4/22. 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 6/61:15 pmBCN - ONT
2 stops31h 59mMultiple Airlines
Fri 6/136:32 pmONT - BCN
3 stops28h 18mMultiple Airlines
Deal found 4/22$771
This Delta deal was found by Cheapflights users on 4/21. 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 5/710:05 amMAD - ONT
1 stop34h 03mDelta
Sun 5/116:00 amONT - MAD
2 stops20h 20mDelta
Deal found 4/21$772
This Air Canada deal was found by Cheapflights users on 4/21. 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 5/712:45 pmMAD - ONT
3 stops32h 53mMultiple Airlines
Sun 5/116:00 amONT - MAD
2 stops39h 40mMultiple Airlines
Deal found 4/21$782
This Delta deal was found by Cheapflights users on 4/22. 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.
Sun 5/45:55 amAGP - ONT
2 stops19h 38mDelta
Sun 5/252:55 pmONT - AGP
2 stops19h 05mDelta
Deal found 4/22$818
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Thu 9/412:20 pmBCN - ONT
1 stop18h 36mAmerican Airlines
Wed 9/2410:54 amONT - BCN
1 stop14h 16mAmerican Airlines
Deal found 4/22$842
This British Airways deal was found by Cheapflights users on 4/22. 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.
Thu 7/2412:20 pmBCN - ONT
1 stop15h 39mBritish Airways
Mon 7/284:45 pmONT - BCN
2 stops15h 55mBritish Airways
Deal found 4/22$912

Cheapflights Fare Finder

Customize your flight search to find flights from Spain 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 22, 2025.
Use the filters below to find and compare flights from Spain to Ontario that are best for you.

Fly from

Spain

Fly to

Ontario

Route

Depart

Return

Price

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 9/1

4:00 pm-11:29 pm

1 stop16h 29m

Ontario

Mon 9/8

3:00 pm-2:20 pm

1 stop14h 20m

$691

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Tue 6/17

4:00 pm-11:02 pm

1 stop16h 02m

Ontario

Sat 7/19

10:53 am-9:05 am

1 stop13h 12m

$702

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Wed 9/3

12:20 pm-9:56 pm

1 stop18h 36m

Ontario

Wed 9/24

10:54 am-10:10 am

1 stop14h 16m

$722

MálagaOntario

AGP - ONT

AGPONT

Malaga

Wed 5/7

9:35 am-12:38 pm

2 stops36h 03m

Ontario

Sun 5/11

5:05 am-7:35 am

2 stops41h 30m

$744

SevilleOntario

SVQ - ONT

SVQONT

Sevilla

Thu 9/4

1:15 pm-11:36 pm

2 stops19h 21m

Ontario

Thu 9/25

10:54 am-12:35 pm

2 stops16h 41m

$752

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 5/7

12:45 pm-8:53 pm

2 stops17h 08m

Ontario

Sun 5/11

5:05 am-6:40 am

2 stops40h 35m

$764

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Thu 9/4

12:10 pm-10:30 pm

2 stops19h 20m

Ontario

Thu 9/18

7:00 am-1:15 pm

1 stop21h 15m

$768

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Fri 6/6

1:15 pm-12:14 pm

2 stops31h 59m

Ontario

Fri 6/13

6:32 pm-7:50 am

3 stops28h 18m

$771

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 5/7

10:05 am-11:08 am

1 stop34h 03m

Ontario

Sun 5/11

6:00 am-11:20 am

2 stops20h 20m

$772

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 5/7

12:45 pm-12:38 pm

3 stops32h 53m

Ontario

Sun 5/11

6:00 am-6:40 am

2 stops39h 40m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 60 results
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Best time to book a flight from Spain to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Spain to Ontario (average of $246). Flying from Spain 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 22, 2025.
See what other customers who have flown with Delta, KLM and United Airlines from Spain to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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
WestJet
7.2
Good
2,813 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

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 Spain to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Spain?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from Spain.

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

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $736. Users have also found prices from $772 and $784 on KLM and Iberia, respectively.

  • What are the most popular routes from Spain to Ontario?

    The most popular route from Spain to Ontario is Madrid Barajas - Ontario. You may also consider Barcelona-El Prat - Ontario or Sevilla - Ontario.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Spain to Ontario (average of $246). Flying from Spain 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

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Alternative routes for Spain to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Spain to Ontario

Discover the top airline that operate flights from Spain 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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$508Average$926FlexibilityNo cancel feeOn-time77%

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