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Ontario

$437+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — ONT
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
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 agosto 14, 2025.

Round-trip from

$582
(British Airways)

One-way from

$437
(Trip.com)

Popular in

July

Cheapest in

February

Average price

$838
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. 14% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in August 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 agosto 14, 2025.

This British Airways deal was found by Cheapflights users on 8/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/511:55 amAGP - ONT
2 stops38h 52mBritish Airways
mar. 12/910:57 amONT - AGP
2 stops22h 08mBritish Airways
Deal found 8/12$582
This Iberia deal was found by Cheapflights users on 8/12. 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.
jue. 10/21:40 pmALC - ONT
2 stops19h 19mIberia
mar. 10/710:57 amONT - ALC
2 stops17h 08mIberia
Deal found 8/12$622
This Iberia deal was found by Cheapflights users on 8/13. 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.
jue. 11/136:45 amBIO - ONT
2 stops26h 12mIberia
lun. 11/177:00 amONT - BIO
2 stops20h 50mIberia
Deal found 8/13$636
This British Airways deal was found by Cheapflights users on 8/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/312:40 pmMAD - ONT
1 stop15h 14mBritish Airways
mié. 10/110:54 amONT - MAD
1 stop13h 11mBritish Airways
Deal found 8/12$638
This American Airlines deal was found by Cheapflights users on 8/12. 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.
lun. 9/812:40 pmMAD - ONT
1 stop15h 14mAmerican Airlines
lun. 9/2210:53 amONT - MAD
1 stop13h 12mAmerican Airlines
Deal found 8/12$639
This British Airways deal was found by Cheapflights users on 8/14. 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.
lun. 10/201:00 pmMAD - ONT
1 stop16h 07mBritish Airways
mar. 10/2812:43 pmONT - MAD
1 stop12h 42mBritish Airways
Deal found 8/14$642
This British Airways deal was found by Cheapflights users on 8/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/512:40 pmMAD - ONT
1 stop15h 14mBritish Airways
mar. 9/3010:53 amONT - MAD
1 stop13h 12mBritish Airways
Deal found 8/12$656
This CheapTickets.ch deal was found by Cheapflights users on 8/13. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/312:40 pmMAD - ONT
1 stop15h 14mIberia
mié. 9/1710:54 amONT - MAD
1 stop13h 11mIberia
Deal found 8/13$657
This American Airlines deal was found by Cheapflights users on 8/14. 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.
mié. 12/31:00 pmMAD - ONT
1 stop16h 12mAmerican Airlines
dom. 12/76:32 amONT - MAD
1 stop14h 13mAmerican Airlines
Deal found 8/14$660
This American Airlines deal was found by Cheapflights users on 8/13. 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.
mié. 9/312:40 pmMAD - ONT
1 stop15h 14mAmerican Airlines
mié. 9/1710:54 amONT - MAD
1 stop13h 11mAmerican Airlines
Deal found 8/13$664
This Gotogate deal was found by Cheapflights users on 8/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/312:40 pmMAD - ONT
1 stop15h 14mBritish Airways
jue. 11/610:47 amONT - MAD
1 stop13h 38mBritish Airways
Deal found 8/13$670
This Trip.com deal was found by Cheapflights users on 8/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/812:40 pmMAD - ONT
1 stop15h 14mIberia
lun. 9/228:15 amONT - MAD
1 stop15h 50mIberia
Deal found 8/12$672

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 agosto 14, 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

MálagaOntario

AGP - ONT

AGPONT

Malaga

vie. 12/5

11:55 am-5:47 pm

2 stops38h 52m

Ontario

mar. 12/9

10:57 am-6:05 pm

2 stops22h 08m

$582

AlicanteOntario

ALC - ONT

ALCONT

Alicante

jue. 10/2

1:40 pm-11:59 pm

2 stops19h 19m

Ontario

mar. 10/7

10:57 am-1:05 pm

2 stops17h 08m

$622

BilbaoOntario

BIO - ONT

BIOONT

Bilbao

jue. 11/13

6:45 am-11:57 pm

2 stops26h 12m

Ontario

lun. 11/17

7:00 am-12:50 pm

2 stops20h 50m

$636

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

lun. 10/6

1:00 pm-8:07 pm

1 stop16h 07m

Ontario

lun. 10/13

10:57 am-9:05 am

1 stop13h 08m

$638

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

mié. 9/3

12:40 pm-6:54 pm

1 stop15h 14m

Ontario

mié. 10/1

10:54 am-9:05 am

1 stop13h 11m

$638

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

lun. 9/8

12:40 pm-6:54 pm

1 stop15h 14m

Ontario

lun. 9/22

10:53 am-9:05 am

1 stop13h 12m

$638

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

jue. 9/4

12:40 pm-6:54 pm

1 stop15h 14m

Ontario

lun. 9/29

10:53 am-9:05 am

1 stop13h 12m

$638

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

jue. 9/4

12:40 pm-6:54 pm

1 stop15h 14m

Ontario

jue. 10/2

10:55 am-9:05 am

1 stop13h 10m

$638

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

mié. 9/3

12:40 pm-6:54 pm

1 stop15h 14m

Ontario

jue. 10/2

10:55 am-9:05 am

1 stop13h 10m

$638

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

jue. 9/18

12:40 pm-6:54 pm

1 stop15h 14m

Ontario

mié. 10/1

10:54 am-9:05 am

1 stop13h 11m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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.

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 most popular routes from Spain to Ontario?

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