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$239+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Round-trip from

$423
(oojo)

One-way from

$239
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$618
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. 19% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This oojo deal was found by Cheapflights users on 1/7. 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.
Wed 4/154:52 pmONT - AGP
2 stops32h 53mBritish Airways
Mon 4/208:55 pmAGP - ONT
2 stops34h 40mBritish Airways
Deal found 1/7$424
This oojo deal was found by Cheapflights users on 1/7. 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.
Wed 2/44:45 pmONT - MAD
2 stops18h 20mBritish Airways
Wed 2/1112:40 pmMAD - ONT
1 stop19h 08mBritish Airways
Deal found 1/7$426
This oojo deal was found by Cheapflights users on 1/6. 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.
Wed 3/42:39 pmONT - MAD
2 stops18h 51mBritish Airways
Wed 3/1110:35 amMAD - ONT
2 stops19h 44mBritish Airways
Deal found 1/6$431
This oojo deal was found by Cheapflights users on 1/7. 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.
Sun 2/225:02 pmONT - MAD
2 stops16h 23mBritish Airways
Mon 3/28:50 pmMAD - ONT
2 stops30h 52mBritish Airways
Deal found 1/7$432
This oojo deal was found by Cheapflights users on 1/8. 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.
Wed 10/144:59 pmONT - AGP
2 stops32h 46mBritish Airways
Thu 10/2212:35 pmAGP - ONT
2 stops38h 12mBritish Airways
Deal found 1/8$435
This oojo deal was found by Cheapflights users on 1/5. 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 1/1310:58 amONT - MAD
1 stop13h 27mBritish Airways
Thu 1/221:00 pmMAD - ONT
1 stop18h 48mBritish Airways
Deal found 1/5$437
This Delta deal was found by Cheapflights users on 1/6. 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 4/1512:39 pmONT - MAD
1 stop14h 36mDelta
Fri 4/2412:40 pmMAD - ONT
1 stop17h 18mDelta
Deal found 1/6$439
This Cheapflightsfares deal was found by Cheapflights users on 1/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/254:45 pmONT - MAD
2 stops18h 15mBritish Airways
Tue 2/101:00 pmMAD - ONT
1 stop18h 48mBritish Airways
Deal found 1/7$441
This oojo deal was found by Cheapflights users on 1/6. 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 3/36:00 amONT - MAD
1 stop18h 25mBritish Airways
Tue 3/176:05 pmMAD - ONT
2 stops32h 37mBritish Airways
Deal found 1/6$442
This KLM deal was found by Cheapflights users on 1/7. 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 1/2510:30 pmONT - MAD
2 stops24h 30mKLM
Tue 2/1010:00 amMAD - ONT
2 stops20h 05mKLM
Deal found 1/7$444
This Delta deal was found by Cheapflights users on 1/6. 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 2/2310:20 pmONT - MAD
1 stop25h 55mDelta
Thu 4/1612:40 pmMAD - ONT
1 stop17h 18mDelta
Deal found 1/6$445
This British Airways deal was found by Cheapflights users on 1/6. 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 4/1410:59 amONT - MAD
2 stops18h 16mBritish Airways
Mon 4/209:00 pmMAD - ONT
2 stops28h 22mBritish Airways
Deal found 1/6$448

Cheapflights Fare Finder

 
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 January 8, 2026.
Use the filters below to find and compare flights from Ontario to Spain that are best for you.

Fly from

Ontario

Fly to

Spain

Route

Depart

Return

Price

OntarioMálaga

ONT - AGP

ONTAGP

Ontario

Wed 4/15

4:52 pm-10:45 am

2 stops32h 53m

Malaga

Mon 4/20

8:55 pm-10:35 pm

2 stops34h 40m

$424

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 4/15

7:30 am-3:50 pm

2 stops23h 20m

Madrid Barajas

Tue 4/21

10:25 am-8:27 pm

1 stop19h 02m

$436

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 4/14

10:59 am-2:55 pm

2 stops18h 56m

Madrid Barajas

Tue 4/21

1:00 pm-8:54 pm

1 stop16h 54m

$436

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 3/4

2:39 pm-4:55 pm

2 stops17h 16m

Madrid Barajas

Wed 3/11

12:30 pm-9:24 pm

1 stop16h 54m

$436

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 1/20

10:30 pm-8:00 am

2 stops24h 30m

Madrid Barajas

Thu 1/29

10:00 am-9:05 pm

2 stops20h 05m

$444

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 2/4

10:58 am-1:05 pm

2 stops17h 07m

Madrid Barajas

Tue 2/10

11:30 am-10:48 pm

2 stops20h 18m

$444

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Sun 1/25

10:30 pm-8:00 am

2 stops24h 30m

Madrid Barajas

Tue 2/10

10:00 am-9:05 pm

2 stops20h 05m

$444

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 2/4

7:16 am-1:05 pm

2 stops20h 49m

Madrid Barajas

Wed 2/11

4:25 pm-10:06 am

2 stops26h 41m

$444

OntarioValencia

ONT - VLC

ONTVLC

Ontario

Thu 2/19

2:39 pm-8:15 pm

2 stops20h 36m

Valencia

Mon 2/23

4:55 pm-6:42 pm

2 stops34h 47m

$448

OntarioIbiza

ONT - IBZ

ONTIBZ

Ontario

Sun 2/22

7:00 am-8:25 am

2 stops16h 25m

Ibiza

Mon 3/2

9:50 pm-10:06 am

2 stops21h 16m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 60 results
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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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Spain

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

Currently, February is the cheapest month in which you can book a flight from Ontario to Spain (average of $337). Flying from Ontario to Spain in June is currently the most expensive (average of $625). 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.

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 January 8, 2026.
Read through reviews of airlines operating flights from Ontario to Spain, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,029 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

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
7.9
Good
8,029 reviews
Delta
7.9
Good
8,029 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

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
9,141 reviews
Delta
7.9
Good
8,029 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

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
11,095 reviews
Delta
7.9
Good
8,029 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

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.
Iberia
7.0
Good
3,079 reviews
Delta
7.9
Good
8,029 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

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.
British Airways
6.7
Okay
7,657 reviews
Delta
7.9
Good
8,029 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

Overall

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 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.

  • How long is the flight from Ontario to Spain?

    Airlines like British Airways, KLM, and Iberia fly from Ontario to Spain in about 16h 25m. The time it takes to get you to your destination can typically vary by up to 16h 28m. Airlines will cover a distance of 6060 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    When deciding which route to take from Ontario to Spain consider Ontario - Barcelona-El Prat, Ontario - Madrid Barajas 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, February is the cheapest month in which you can book a flight from Ontario to Spain (average of $337). Flying from Ontario to Spain in June is currently the most expensive (average of $625). 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 5 airlines flying from Ontario to Spain

Discover the top 5 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$444Average$873FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$497Average$870FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$517Average$917FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$595Average$1,204FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$688Average$1,100FlexibilityNo cancel feeOn-time69%

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