HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Spain

$261+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MAD
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Spain with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 15, 2026.

This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/222:39 pm
ONT
-
AGP
2 stops18h 11m
British Airways
Tue 3/105:50 pm
AGP
-
ONT
2 stops32h 52m
British Airways
Deal found 1/13$412
This oojo deal was found by Cheapflights users on 1/13. 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 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 stops18h 22m
British Airways
Tue 4/2110:25 am
MAD
-
ONT
1 stop19h 02m
British Airways
Deal found 1/13$414
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/24:45 pm
ONT
-
MAD
2 stops33h 20m
British Airways
Wed 2/1112:50 pm
MAD
-
ONT
2 stops42h 17m
British Airways
Deal found 1/13$419
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/214:45 pm
ONT
-
AGP
2 stops33h 10m
British Airways
Wed 1/2812:20 pm
AGP
-
ONT
2 stops42h 53m
British Airways
Deal found 1/14$424
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:00 am
ONT
-
MAD
1 stop18h 25m
British Airways
Wed 3/412:40 pm
MAD
-
ONT
1 stop19h 09m
British Airways
Deal found 1/13$424
This oojo deal was found by Cheapflights users on 1/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/24:45 pm
ONT
-
MAD
2 stops16h 45m
British Airways
Thu 2/1212:40 pm
MAD
-
ONT
1 stop20h 19m
British Airways
Deal found 1/12$426
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2110:58 am
ONT
-
MAD
1 stop13h 27m
British Airways
Wed 1/2812:55 am
MAD
-
ONT
1 stop25h 27m
British Airways
Deal found 1/13$429
This KLM deal was found by Cheapflights users on 1/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2610:30 pm
ONT
-
MAD
2 stops24h 30m
KLM
Tue 2/1011:15 am
MAD
-
ONT
1 stop18h 50m
KLM
Deal found 1/14$430
This KLM deal was found by Cheapflights users on 1/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2510:30 pm
ONT
-
MAD
2 stops24h 30m
KLM
Tue 2/1010:00 am
MAD
-
ONT
2 stops20h 05m
KLM
Deal found 1/13$432
This oojo deal was found by Cheapflights users on 1/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/46:00 am
ONT
-
MAD
1 stop18h 25m
British Airways
Thu 2/191:00 pm
MAD
-
ONT
1 stop17h 24m
British Airways
Deal found 1/12$436
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:39 pm
ONT
-
MAD
1 stop14h 36m
Delta
Fri 5/112:40 pm
MAD
-
ONT
1 stop17h 18m
Delta
Deal found 1/14$439
This British Airways deal was found by Cheapflights users on 1/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:47 pm
ONT
-
AGP
2 stops22h 08m
British Airways
Mon 10/128:55 pm
AGP
-
ONT
2 stops36h 20m
British Airways
Deal found 1/13$441

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 15, 2026.

Round-trip from

$412
(oojo)

One-way from

$261
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$630
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 ($183 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 15, 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

Sun 2/22

2:39 pm-5:50 pm

2 stops18h 11m

Malaga

Tue 3/10

5:50 pm-6:42 pm

2 stops32h 52m

$412

OntarioMálaga

ONT - AGP

ONTAGP

Ontario

Tue 2/3

4:45 pm-11:00 am

2 stops33h 15m

Malaga

Tue 2/24

5:50 pm-4:19 pm

2 stops31h 29m

$424

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 1/26

1:11 pm-9:15 am

2 stops59h 04m

Madrid Barajas

Tue 2/10

10:00 am-11:58 pm

2 stops22h 58m

$430

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Mon 1/26

10:30 pm-8:00 am

2 stops24h 30m

Madrid Barajas

Tue 2/10

11:15 am-9:05 pm

1 stop18h 50m

$430

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 3/4

2:39 pm-6:30 pm

2 stops18h 51m

Madrid Barajas

Wed 3/11

8:50 pm-6:42 pm

2 stops29h 52m

$431

OntarioValencia

ONT - VLC

ONTVLC

Ontario

Thu 2/26

5:02 pm-8:15 pm

2 stops18h 13m

Valencia

Thu 3/5

4:55 pm-10:29 pm

2 stops38h 34m

$462

OntarioValencia

ONT - VLC

ONTVLC

Ontario

Thu 2/26

5:02 pm-8:15 pm

2 stops18h 13m

Valencia

Wed 3/4

1:15 pm-10:29 pm

2 stops42h 14m

$462

OntarioMadrid

ONT - MAD

ONTMAD

Ontario

Wed 3/4

5:00 am-8:00 am

2 stops18h 00m

Madrid Barajas

Wed 3/11

12:40 pm-10:18 pm

2 stops41h 38m

$472

OntarioIbiza

ONT - IBZ

ONTIBZ

Ontario

Wed 4/22

4:52 pm-2:20 pm

2 stops36h 28m

Ibiza

Wed 4/29

1:20 pm-9:59 pm

2 stops41h 39m

$474

OntarioValencia

ONT - VLC

ONTVLC

Ontario

Wed 4/8

4:52 pm-8:35 pm

2 stops18h 43m

Valencia

Wed 4/22

8:20 pm-9:59 pm

2 stops34h 39m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 60 results
1
2
3
...
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.

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 $629). 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 15, 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
8,044 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

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
8,044 reviews
Delta
7.9
Good
8,044 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

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
9,161 reviews
Delta
7.9
Good
8,044 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

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
11,125 reviews
Delta
7.9
Good
8,044 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

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
3,087 reviews
Delta
7.9
Good
8,044 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

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
7,676 reviews
Delta
7.9
Good
8,044 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

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, Virgin Atlantic, and KLM fly from Ontario to Spain in about 18h 11m. The time it takes to get you to your destination can typically vary by up to 40h 53m. Airlines will cover a distance of 5922 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 - Malaga 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 $629). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Spain

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
Los Angeles to Charles de Gaulle flights
San Francisco to Heathrow flights
San Francisco to Charles de Gaulle flights
Los Angeles to Istanbul flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
San Francisco to Barcelona-El Prat flights
San Francisco to Istanbul flights
Los Angeles to Gatwick flights
Los Angeles to Frankfurt flights
Los Angeles to Madrid flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Orly flights
Los Angeles to London City flights
Los Angeles to Dublin flights
San Francisco to Gatwick flights
Los Angeles to Stansted flights
Los Angeles to Amsterdam flights
San Francisco to Lisbon flights
San Francisco to London City flights
San Francisco to Dublin flights
San Francisco to Orly flights
Ontario to Charles de Gaulle flights
San Francisco to Frankfurt flights
San Francisco to Amsterdam flights
San Diego to Heathrow flights
San Francisco to Zurich flights
San Francisco to Malpensa flights
Ontario to Heathrow flights
San Francisco to Stansted flights
Los Angeles to Lisbon flights
Los Angeles to Athens flights
San Francisco to Athens flights
Santa Ana to Charles de Gaulle flights
Los Angeles to Malpensa flights
San Francisco to Linate flights
San Francisco to Madrid flights
Los Angeles to Copenhagen flights
Los Angeles to Zurich flights
Ontario to Leonardo da Vinci/Fiumicino flights
Los Angeles to Linate flights
Burbank to Charles de Gaulle flights
Los Angeles to Sabiha Gokcen flights
San Francisco to Munich flights
Ontario to Palma de Mallorca flights
Santa Ana to Leonardo da Vinci/Fiumicino flights
Las Vegas to Heathrow flights
Los Angeles to Luton flights
San Jose to Charles de Gaulle flights

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 15, 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights