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$325+ Cheap flights from Ontario (ONT) to Spain

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Ontario to Spain

Keep the following information in mind while searching for Ontario to Spain flight deals. Data was last updated February 20, 2025.

Round-trip from

$548
(Finnair)

One-way from

$325
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$487
From Ontario to Spain
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One-way flight from Ontario to Spain
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Highest demand for flights based on searches. 28% potential increase in price ($290 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($36 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 Ontario to Spain

Cheapest flights from Ontario to Spain
Explore the most affordable flight options available from Ontario to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2310:57 amONT - MAD
1 stop19h 23mMultiple Airlines
Fri 4/44:00 pmMAD - ONT
1 stop16h 50mMultiple Airlines
Deal found 2/19$548
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.
Sun 11/237:00 amONT - MAD
2 stops16h 05mUnited Airlines
Tue 12/911:15 amMAD - ONT
2 stops20h 11mUnited Airlines
Deal found 2/20$564
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.
Tue 11/2510:59 pmONT - MAD
1 stop25h 01mDelta
Thu 12/1111:00 amMAD - ONT
1 stop20h 29mDelta
Deal found 2/20$565
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/12:54 pmONT - MAD
2 stops22h 16mBritish Airways
Tue 4/1512:40 pmMAD - ONT
1 stop20h 10mBritish Airways
Deal found 2/19$585
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:00 amONT - BCN
2 stops18h 20mUnited Airlines
Tue 4/812:10 pmBCN - ONT
2 stops41h 32mUnited Airlines
Deal found 2/19$604
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.
Wed 4/22:54 pmONT - MAD
1 stop14h 26mIberia
Mon 4/74:00 pmMAD - ONT
1 stop16h 50mIberia
Deal found 2/20$609
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.
Tue 11/2510:59 pmONT - MAD
1 stop25h 01mKLM
Mon 12/811:00 amMAD - ONT
1 stop20h 29mKLM
Deal found 2/20$615
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.
Mon 11/2410:59 pmONT - BCN
1 stop24h 41mKLM
Wed 12/1010:55 amBCN - ONT
1 stop17h 34mKLM
Deal found 2/20$620
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/14:30 pmONT - BCN
2 stops21h 15mBritish Airways
Tue 4/812:20 pmBCN - ONT
1 stop20h 30mBritish Airways
Deal found 2/19$623
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:05 amONT - BCN
2 stops22h 00mMultiple Airlines
Wed 3/121:40 pmBCN - ONT
2 stops27h 07mMultiple Airlines
Deal found 2/19$750
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/15:00 amONT - MAD
2 stops16h 40mAir Canada
Tue 4/1512:45 pmMAD - ONT
2 stops40h 57mAir Canada
Deal found 2/18$771
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.
Sat 3/2211:59 pmONT - MAD
1 stop30h 21mAmerican Airlines
Fri 4/44:00 pmMAD - ONT
1 stop26h 54mAmerican Airlines
Deal found 2/19$782

Find flights from Ontario to Spain within your budget

Customize your flight search to find flights from Ontario to Spain 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

Ontario

Fly to

Spain

Route

Depart

Return

Price

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 3/23

10:57 am-2:20 pm

1 stop19h 23m

Madrid Barajas

Fri 4/4

4:00 pm-11:50 pm

1 stop16h 50m

$548

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 4/1

2:54 pm-10:10 pm

2 stops22h 16m

Madrid Barajas

Tue 4/15

12:40 pm-11:50 pm

1 stop20h 10m

$585

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Tue 4/1

6:00 am-9:20 am

2 stops18h 20m

Barcelona-El Prat

Tue 4/8

12:10 pm-8:42 pm

2 stops41h 32m

$604

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 4/2

2:54 pm-2:20 pm

1 stop14h 26m

Madrid Barajas

Mon 4/7

4:00 pm-11:50 pm

1 stop16h 50m

$609

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Tue 4/1

4:30 pm-10:45 pm

2 stops21h 15m

Barcelona-El Prat

Tue 4/8

12:20 pm-11:50 pm

1 stop20h 30m

$623

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 7/16

7:00 am-9:35 am

1 stop17h 35m

Madrid Barajas

Thu 9/11

10:05 am-7:29 pm

1 stop18h 24m

$739

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 8/12

6:00 am-8:05 am

2 stops17h 05m

Madrid Barajas

Thu 10/16

11:15 am-10:53 pm

2 stops20h 38m

$744

OntarioBarcelona

ONT - BCN

ONTBCN

Ontario

Wed 3/5

6:05 am-1:05 pm

2 stops22h 00m

Barcelona-El Prat

Wed 3/12

1:40 pm-8:47 am

2 stops27h 07m

$750

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 4/1

5:00 am-6:40 am

2 stops16h 40m

Madrid Barajas

Tue 4/15

12:45 pm-8:42 pm

2 stops40h 57m

$771

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sat 3/22

11:59 pm-2:20 pm

1 stop30h 21m

Madrid Barajas

Fri 4/4

4:00 pm-9:54 am

1 stop26h 54m

$782

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 60 results
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6

Best time to book a flight from Ontario to Spain

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

Travel insights for flights from Ontario to Spain

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Spain (average of $543). Flying from Ontario to Spain in June is currently the most expensive (average of $1,124). 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 ES?

Find hourly flight availability from Ontario to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Spain as you normally would.

Rainfall in Spain by month

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

In terms of precipitation, rainfall in Spain ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Spain when rainfall is around 0.8 in.

Temperature in Spain by month

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

If weather is an important factor for your trip to Spain, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Spain

Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated February 20, 2025.
See what other customers who have flown with Delta, KLM and Virgin Atlantic from Ontario to Spain 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
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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.

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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 France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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 Spain. 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 from for flights from Ontario to Spain?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Spain. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

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

    $451 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on British Airways and United Airlines, with prices starting from $455 and $456, respectively.

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

    When deciding which route to take from Ontario to Spain consider Ontario - Madrid Barajas, Ontario - Barcelona-El Prat or Ontario - Palma de Mallorca Son Sant Joan as they are the most popular.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Spain (average of $543). Flying from Ontario to Spain in June is currently the most expensive (average of $1,124). 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 Ontario to Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ontario to Spain

Discover the top 6 airlines that operate flights from Ontario to Spain. 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$489Average$963FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$492Average$810FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$504Average$963FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$551Average$867FlexibilityNo cancel feeOn-time70%
DeltaCheapest$567Average$792FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$690Average$1,032FlexibilityNo cancel feeOn-time67%
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