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Ontario

$456+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — ONT
ene. 9 — ene. 161
vie. 1/9
vie. 1/16
1 adult, Economy
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Cheap 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 diciembre 10, 2025.

This United Airlines deal was found by Cheapflights users on 12/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/246:50 amBCN - ONT
2 stops23h 17mUnited Airlines
mar. 1/135:05 amONT - BCN
2 stops18h 55mUnited Airlines
Deal found 12/8$768
This United Airlines deal was found by Cheapflights users on 12/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2511:00 amBCN - ONT
2 stops20h 25mUnited Airlines
mar. 1/135:05 amONT - BCN
2 stops18h 55mUnited Airlines
Deal found 12/8$780
This United Airlines deal was found by Cheapflights users on 12/9. 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.
jue. 12/2511:00 amBCN - ONT
2 stops20h 25mUnited Airlines
jue. 1/225:05 amONT - BCN
2 stops18h 55mUnited Airlines
Deal found 12/9$781
This Delta deal was found by Cheapflights users on 12/9. 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.
jue. 12/2510:55 amBCN - ONT
1 stop17h 55mDelta
jue. 1/2212:41 pmONT - BCN
2 stops19h 24mDelta
Deal found 12/9$800
This United Airlines deal was found by Cheapflights users on 12/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2511:00 amBCN - ONT
2 stops20h 25mUnited Airlines
dom. 1/115:05 amONT - BCN
2 stops19h 30mUnited Airlines
Deal found 12/8$801
This United Airlines deal was found by Cheapflights users on 12/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/269:55 amBCN - ONT
2 stops21h 46mUnited Airlines
jue. 1/226:00 amONT - BCN
2 stops18h 00mUnited Airlines
Deal found 12/8$826
This Delta deal was found by Cheapflights users on 12/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2410:55 amBCN - ONT
1 stop17h 55mDelta
lun. 1/1210:30 pmONT - BCN
1 stop25h 10mDelta
Deal found 12/8$831
This United Airlines deal was found by Cheapflights users on 12/10. 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.
mié. 12/2411:15 amMAD - ONT
2 stops19h 37mUnited Airlines
mié. 2/185:00 amONT - MAD
2 stops19h 15mUnited Airlines
Deal found 12/10$889
This United Airlines deal was found by Cheapflights users on 12/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/169:55 amBCN - ONT
2 stops19h 47mUnited Airlines
dom. 1/256:00 amONT - BCN
2 stops18h 00mUnited Airlines
Deal found 12/8$914
This United Airlines deal was found by Cheapflights users on 12/9. 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.
mar. 12/1611:15 amMAD - ONT
2 stops20h 34mUnited Airlines
mar. 1/276:00 amONT - MAD
2 stops18h 15mUnited Airlines
Deal found 12/9$919
This United Airlines deal was found by Cheapflights users on 12/9. 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.
mar. 12/1611:15 amMAD - ONT
2 stops20h 34mUnited Airlines
dom. 1/256:00 amONT - MAD
2 stops18h 15mUnited Airlines
Deal found 12/9$931
This KAYAK deal was found by Cheapflights users on 12/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/241:00 pmMAD - ONT
1 stop16h 58mBritish Airways
mié. 2/1810:59 amONT - MAD
1 stop13h 26mBritish Airways
Deal found 12/10$933

Find flight deals from Spain to Ontario

Keep the following information in mind while searching for Spain to Ontario flight deals. Data was last updated diciembre 10, 2025.

Round-trip from

$704
(British Airways)

One-way from

$456
(Finnair)

Popular in

July

Cheapest in

February

Average price

$729
From Spain to Ontario
Search Deals
One-way flight from Spain to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($123 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 December 2025
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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 diciembre 10, 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

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

jue. 1/22

10:40 am-6:45 pm

1 stop17h 05m

Ontario

jue. 2/5

10:58 am-1:20 pm

2 stops17h 22m

$704

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

jue. 2/5

10:40 am-2:18 pm

1 stop36h 38m

Ontario

lun. 2/9

11:59 pm-5:20 pm

2 stops32h 21m

$704

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

jue. 1/22

10:40 am-6:45 pm

1 stop17h 05m

Ontario

jue. 1/29

3:09 pm-6:25 pm

2 stops18h 16m

$705

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

mié. 2/18

12:40 pm-1:54 pm

1 stop34h 14m

Ontario

dom. 2/22

11:59 pm-6:25 pm

2 stops33h 26m

$706

BarcelonaOntario

BCN - ONT

BCNONT

Barcelona-El Prat

mar. 1/27

10:40 am-6:45 pm

1 stop17h 05m

Ontario

mar. 2/10

10:58 am-8:50 am

1 stop12h 52m

$717

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

lun. 2/16

1:00 pm-9:29 pm

1 stop17h 29m

Ontario

lun. 2/23

6:10 am-9:25 am

1 stop18h 15m

$720

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

lun. 2/16

1:00 pm-9:29 pm

1 stop17h 29m

Ontario

mar. 2/24

6:10 am-9:25 am

1 stop18h 15m

$720

MadridOntario

MAD - ONT

MADONT

Madrid Barajas

mié. 2/11

12:40 pm-10:48 pm

1 stop19h 08m

Ontario

lun. 2/23

7:10 am-9:25 am

1 stop17h 15m

$720

BilbaoOntario

BIO - ONT

BIOONT

Bilbao

jue. 3/5

6:45 am-8:50 pm

2 stops23h 05m

Ontario

lun. 3/9

1:50 pm-11:05 pm

2 stops25h 15m

$735

BilbaoOntario

BIO - ONT

BIOONT

Bilbao

dom. 2/8

11:35 am-10:53 pm

2 stops20h 18m

Ontario

mié. 2/18

6:37 pm-9:55 pm

2 stops18h 18m

$766

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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, February is the cheapest month in which you can book a flight from Spain to Ontario (average of $326). Flying from Spain to Ontario in July is currently the most expensive (average of $598). 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.

  • How long is the flight from Spain to Ontario?

    British Airways, United Airlines, and Delta can get you from Spain to Ontario in just under 17h 05m. Your travel time can differ by up to 8h 41m. Spain and Ontario are separated by a distance of 5971 mi. This flight may include one or multiple stops.

  • 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 Bilbao - 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, February is the cheapest month in which you can book a flight from Spain to Ontario (average of $326). Flying from Spain to Ontario in July is currently the most expensive (average of $598). 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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