Ontario

$593+ Cheap flights from Spain to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — ONT
Feb 27 — Mar 61
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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 February 22, 2025.

Round-trip from

$593
(Kissandfly.com)

Popular in

July

Cheapest in

February

Average price

$595
From Spain to Ontario
Highest demand for flights based on searches. 19% potential increase in price ($177 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in February 2025

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 February 22, 2025.

This Kissandfly.com deal was found by Cheapflights users on 2/21. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:00 amMAD - ONT
2 stops23h 34mLufthansa
Sun 5/114:15 pmONT - MAD
2 stops42h 35mLufthansa
Deal found 2/21$593
This Delta deal was found by Cheapflights users on 2/21. 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.
Sat 3/810:00 amMAD - ONT
2 stops21h 52mDelta
Wed 3/125:40 amONT - MAD
2 stops27h 20mDelta
Deal found 2/21$606
This Iberia deal was found by Cheapflights users on 2/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/54:00 pmMAD - ONT
1 stop16h 44mIberia
Sun 5/112:44 pmONT - MAD
1 stop14h 36mIberia
Deal found 2/21$611
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2610:00 amMAD - ONT
1 stop20h 43mKLM
Sun 4/67:00 amONT - MAD
1 stop17h 35mKLM
Deal found 2/20$620
This KLM deal was found by Cheapflights users on 2/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/211:35 amBCN - ONT
1 stop20h 01mKLM
Sun 5/117:00 amONT - BCN
1 stop17h 20mKLM
Deal found 2/21$623
This Trip.com deal was found by Cheapflights users on 2/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:20 pmBCN - ONT
1 stop20h 34mIberia
Tue 4/87:00 amONT - BCN
1 stop18h 10mIberia
Deal found 2/21$629
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Thu 3/1312:40 pmMAD - ONT
1 stop16h 13mAmerican Airlines
Tue 4/1510:54 amONT - MAD
1 stop13h 11mAmerican Airlines
Deal found 2/21$648
This Priceline deal was found by Cheapflights users on 2/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/912:20 pmBCN - ONT
1 stop18h 39mBritish Airways
Sat 5/1710:51 amONT - BCN
1 stop14h 24mBritish Airways
Deal found 2/21$683
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/314:00 pmMAD - ONT
1 stop27h 01mMultiple Airlines
Thu 5/17:00 amONT - MAD
2 stops15h 55mMultiple Airlines
Deal found 2/20$684
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sat 5/244:00 pmBCN - ONT
1 stop15h 45mUnited Airlines
Sat 5/311:36 pmONT - BCN
1 stop15h 24mUnited Airlines
Deal found 2/21$707
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Fri 9/1212:45 pmMAD - ONT
2 stops38h 15mUnited Airlines
Sat 9/206:02 amONT - MAD
2 stops41h 03mUnited Airlines
Deal found 2/21$714
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sat 5/107:15 amBIO - ONT
2 stops22h 38mUnited Airlines
Fri 6/61:33 pmONT - BIO
2 stops36h 12mUnited Airlines
Deal found 2/21$743

Find flights from Spain to Ontario within your budget

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 February 22, 2025.

Fly from

Spain

Fly to

Ontario

Route

Depart

Return

Price

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 5/5

6:00 am-8:34 pm

2 stops23h 34m

Ontario

Sun 5/11

4:15 pm-7:50 pm

2 stops42h 35m

$593

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Sat 3/8

10:00 am-10:52 pm

2 stops21h 52m

Ontario

Wed 3/12

5:40 am-5:00 pm

2 stops27h 20m

$606

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 5/5

4:00 pm-11:44 pm

1 stop16h 44m

Ontario

Sun 5/11

2:44 pm-2:20 pm

1 stop14h 36m

$611

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Wed 3/26

10:00 am-10:43 pm

1 stop20h 43m

Ontario

Sun 4/6

7:00 am-9:35 am

1 stop17h 35m

$620

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Fri 5/2

11:35 am-10:36 pm

1 stop20h 01m

Ontario

Sun 5/11

7:00 am-9:20 am

1 stop17h 20m

$623

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Tue 4/1

12:20 pm-11:54 pm

1 stop20h 34m

Ontario

Tue 4/8

7:00 am-10:10 am

1 stop18h 10m

$629

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Thu 3/13

12:40 pm-8:53 pm

1 stop16h 13m

Ontario

Tue 4/15

10:54 am-9:05 am

1 stop13h 11m

$648

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Fri 5/9

12:20 pm-9:59 pm

1 stop18h 39m

Ontario

Sat 5/17

10:51 am-10:15 am

1 stop14h 24m

$683

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

Mon 3/31

4:00 pm-10:01 am

1 stop27h 01m

Ontario

Thu 5/1

7:00 am-7:55 am

2 stops15h 55m

$684

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

Sat 5/24

4:00 pm-10:45 pm

1 stop15h 45m

Ontario

Sat 5/31

1:36 pm-2:00 pm

1 stop15h 24m

$707

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 59 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.

Travel insights for flights from Spain to Ontario

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

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 $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 22, 2025.
See what other customers who have flown with Delta, KLM and Air France 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.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

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

8.0
Very good
8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

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

8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

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

8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

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

8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

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

8.0
Very good

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

8.0

Food

7.3

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 British Airways. According to our data, you can fly for as low as $646. Users have also found prices from $675 and $676 on Delta and KLM, respectively.

  • What are the most popular routes from Spain to 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 $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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Alternative routes for Spain to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Spain to Ontario

Discover the top 2 airlines 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$764Average$1,336FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$942Average$1,289FlexibilityNo cancel feeOn-time70%
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