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$275+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Feb 24 — Mar 31
Tue 2/24
Tue 3/3
1 adult, Economy
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Cheap 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 25, 2026.

This oojo deal was found by Cheapflights users on 1/24. 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 pm
ONT
-
VLC
2 stops38h 08m
British Airways
Sun 3/18:25 pm
VLC
-
ONT
2 stops35h 24m
British Airways
Deal found 1/24$473
This oojo deal was found by Cheapflights users on 1/25. 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.
Mon 3/22:39 pm
ONT
-
AGP
2 stops35h 51m
British Airways
Tue 3/175:50 pm
AGP
-
ONT
2 stops32h 52m
British Airways
Deal found 1/25$474
This KLM deal was found by Cheapflights users on 1/25. 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 3/1111:59 am
ONT
-
AGP
2 stops23h 31m
KLM
Wed 3/184:25 pm
AGP
-
ONT
2 stops32h 48m
KLM
Deal found 1/25$493
This British Airways deal was found by Cheapflights users on 1/22. 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.
Thu 8/610:50 am
ONT
-
MAD
1 stop13h 15m
British Airways
Thu 10/13:55 pm
MAD
-
ONT
1 stop17h 22m
British Airways
Deal found 1/22$499
This oojo deal was found by Cheapflights users on 1/22. 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.
Mon 3/22:39 pm
ONT
-
MAD
1 stop33h 46m
British Airways
Mon 3/912:30 pm
MAD
-
ONT
1 stop16h 54m
British Airways
Deal found 1/22$502
This American Airlines deal was found by Cheapflights users on 1/24. 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.
Mon 2/2311:58 pm
ONT
-
IBZ
2 stops27h 52m
American Airlines
Mon 3/29:50 pm
IBZ
-
ONT
2 stops27h 32m
American Airlines
Deal found 1/24$502
This oojo deal was found by Cheapflights users on 1/25. 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 4/142:08 pm
ONT
-
MAD
2 stops20h 57m
British Airways
Wed 4/221:00 pm
MAD
-
ONT
1 stop18h 35m
British Airways
Deal found 1/25$510
This British Airways deal was found by Cheapflights users on 1/22. 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.
Thu 1/2910:58 am
ONT
-
MAD
1 stop13h 27m
British Airways
Mon 2/27:25 pm
MAD
-
ONT
2 stops36h 23m
British Airways
Deal found 1/22$512
This oojo deal was found by Cheapflights users on 1/25. 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.
Mon 2/165:02 pm
ONT
-
MAD
2 stops16h 28m
British Airways
Wed 2/2510:35 am
MAD
-
ONT
2 stops21h 14m
British Airways
Deal found 1/25$515
This Iberia deal was found by Cheapflights users on 1/23. 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.
Sun 2/227:00 am
ONT
-
ALC
2 stops21h 10m
Iberia
Sun 3/19:30 pm
ALC
-
ONT
2 stops34h 19m
Iberia
Deal found 1/23$518
This British Airways deal was found by Cheapflights users on 1/25. 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 2/175:02 pm
ONT
-
MAD
2 stops16h 28m
British Airways
Thu 2/2612:40 pm
MAD
-
ONT
1 stop18h 49m
British Airways
Deal found 1/25$520
This Air Canada deal was found by Cheapflights users on 1/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:00 am
ONT
-
MAD
2 stops18h 00m
Air Canada
Fri 2/271:35 pm
MAD
-
ONT
2 stops32h 08m
Air Canada
Deal found 1/24$522

Find 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 25, 2026.

Round-trip from

$473
(oojo)

One-way from

$275
(Finnair)

Popular in

June

Cheapest in

February

Average price

$632
From Ontario to Spain
Search Deals
One-way flight from Ontario to Spain
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($184 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 25, 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

OntarioValencia

ONT - VLC

ONTVLC

Ontario

Sun 2/22

5:02 pm-4:10 pm

2 stops38h 08m

Valencia

Sun 3/1

8:25 pm-10:49 pm

2 stops35h 24m

$473

OntarioMálaga

ONT - AGP

ONTAGP

Ontario

Mon 3/2

2:39 pm-11:30 am

2 stops35h 51m

Malaga

Tue 3/17

5:50 pm-6:42 pm

2 stops32h 52m

$474

OntarioMálaga

ONT - AGP

ONTAGP

Ontario

Wed 3/11

11:59 am-7:30 pm

2 stops23h 31m

Malaga

Wed 3/18

4:25 pm-5:13 pm

2 stops32h 48m

$493

OntarioIbiza

ONT - IBZ

ONTIBZ

Ontario

Mon 2/23

11:58 pm-12:50 pm

2 stops27h 52m

Ibiza

Mon 3/2

9:50 pm-4:22 pm

2 stops27h 32m

$502

OntarioAlicante

ONT - ALC

ONTALC

Ontario

Sun 2/22

7:00 am-1:10 pm

2 stops21h 10m

Alicante

Sun 3/1

9:30 pm-10:49 pm

2 stops34h 19m

$518

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 2/23

5:00 am-8:00 am

2 stops18h 00m

Madrid Barajas

Wed 3/4

1:45 pm-10:57 pm

2 stops18h 12m

$527

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 4/8

7:00 am-8:05 am

2 stops16h 05m

Madrid Barajas

Thu 4/16

11:15 am-8:36 pm

2 stops18h 21m

$528

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 3/17

5:15 am-9:15 am

2 stops20h 00m

Madrid Barajas

Tue 3/24

9:05 am-10:18 pm

2 stops21h 13m

$529

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Tue 3/10

6:15 am-9:15 am

2 stops19h 00m

Madrid Barajas

Thu 3/19

6:00 am-5:41 pm

2 stops19h 41m

$529

OntarioSeville

ONT - SVQ

ONTSVQ

Ontario

Tue 4/14

10:59 am-9:05 pm

2 stops25h 06m

Sevilla

Wed 4/29

6:40 am-10:35 pm

2 stops24h 55m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

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 $339). Flying from Ontario to Spain in June is currently the most expensive (average of $630). 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 25, 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
8,111 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.2

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
8,111 reviews
Delta
7.9
Good
8,111 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.2

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
9,198 reviews
Delta
7.9
Good
8,111 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.2

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
11,197 reviews
Delta
7.9
Good
8,111 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.2

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
3,098 reviews
Delta
7.9
Good
8,111 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.2

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
7,699 reviews
Delta
7.9
Good
8,111 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Food

7.2

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, American Airlines, and Iberia fly from Ontario to Spain in about 21h 10m. The time it takes to get you to your destination can typically vary by up to 16h 58m. Airlines will cover a distance of 6011 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 - Palma de Mallorca Son Sant Joan, Ontario - Barcelona-El Prat or Ontario - Madrid Barajas 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 $339). Flying from Ontario to Spain in June is currently the most expensive (average of $630). 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 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$439Average$1,204FlexibilityNo cancel feeOn-time71%
DeltaCheapest$444Average$873FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$497Average$872FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$504Average$954FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$688Average$1,102FlexibilityNo cancel feeOn-time69%

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