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$421+ Cheap flights from Ontario (ONT) to Basel (EAP)

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — EAP
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Ontario to Basel

Cheapest flights from Ontario to Basel
Explore the most affordable flight options available from Ontario to Basel. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/26:37 pm
ONT
-
BSL
2 stops16h 03m
United Airlines
Tue 3/109:50 am
BSL
-
ONT
2 stops19h 00m
United Airlines
Deal found 2/2$1,141
This Turkish Airlines deal was found by Cheapflights users on 2/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:25 pm
ONT
-
BSL
2 stops49h 20m
Turkish Airlines
Tue 8/117:10 pm
BSL
-
ONT
2 stops59h 59m
Turkish Airlines
Deal found 2/2$1,177
This oojo deal was found by Cheapflights users on 2/2. 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.
Sat 2/285:02 pm
ONT
-
BSL
2 stops16h 03m
British Airways
Mon 3/94:00 pm
BSL
-
ONT
2 stops38h 07m
British Airways
Deal found 2/2$1,427
This Cheapflightsfares deal was found by Cheapflights users on 2/2. 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.
Fri 9/48:15 am
ONT
-
BSL
2 stops17h 45m
British Airways
Tue 9/158:15 am
BSL
-
ONT
2 stops18h 24m
British Airways
Deal found 2/2$1,555
This oojo deal was found by Cheapflights users on 2/2. 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 2/1612:18 pm
ONT
-
BSL
2 stops20h 57m
British Airways
Sat 2/213:00 pm
BSL
-
ONT
2 stops40h 07m
British Airways
Deal found 2/2$1,827
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 6/171:00 pm
ONT
-
BSL
2 stops15h 40m
United Airlines
Wed 6/248:25 am
BSL
-
ONT
2 stops17h 53m
United Airlines
Deal found 2/2$2,012
This British Airways deal was found by Cheapflights users on 2/2. 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 6/302:22 pm
ONT
-
BSL
2 stops19h 33m
British Airways
Tue 7/78:15 am
BSL
-
ONT
2 stops20h 37m
British Airways
Deal found 2/2$2,204
This Iberia deal was found by Cheapflights users on 2/2. 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.
Thu 2/510:58 am
ONT
-
BSL
2 stops19h 07m
Multiple Airlines
Wed 2/1811:10 am
BSL
-
ONT
2 stops20h 39m
Multiple Airlines
Deal found 2/2$2,224
This oojo deal was found by Cheapflights users on 2/4. 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.
Thu 2/510:58 am
ONT
-
BSL
2 stops19h 07m
British Airways
Wed 2/1811:10 am
BSL
-
ONT
2 stops20h 39m
British Airways
Deal found 2/4$2,226
This lastminute.com deal was found by Cheapflights users on 2/2. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/152:22 pm
ONT
-
BSL
2 stops18h 58m
British Airways
Mon 6/2212:10 pm
BSL
-
ONT
2 stops18h 41m
British Airways
Deal found 2/2$2,252
This British Airways deal was found by Cheapflights users on 2/2. 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 6/162:22 pm
ONT
-
BSL
2 stops19h 33m
British Airways
Tue 6/2311:55 am
BSL
-
ONT
2 stops18h 31m
British Airways
Deal found 2/2$2,254

Find flight deals from Ontario to Basel

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Basel (EAP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,141
(United Airlines)

One-way from

$421
(Iberia)

Popular in

April

Cheapest in

February

Average price

$565
Provider with most accurate pricing for Los Angeles-Basel (EAP) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Basel (EAP) flights.
Search Deals
From Ontario to Basel (EAP)
Search Deals
One-way flight from Ontario to Basel (EAP)
Search Deals
Highest demand for flights based on searches. 39% potential increase in price ($785 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 25% potential price decrease ($245 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Basel 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 February 5, 2026.
Use the filters below to find and compare flights from Ontario to Basel that are best for you.

Fly from

Ontario

Fly to

Basel

Route

Depart

Return

Price

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Mon 3/2

6:37 pm-7:40 pm

2 stops16h 03m

Basel EuroAirport Swiss

Tue 3/10

9:50 am-8:50 pm

2 stops19h 00m

$1,141

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Mon 3/2

6:37 pm-7:40 pm

2 stops16h 03m

Basel EuroAirport Swiss

Wed 3/11

9:50 am-8:50 pm

2 stops19h 00m

$1,141

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Wed 3/4

6:37 pm-7:40 pm

2 stops16h 03m

Basel EuroAirport Swiss

Wed 3/11

9:50 am-8:50 pm

2 stops19h 00m

$1,141

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Fri 7/24

11:25 pm-9:45 am

2 stops49h 20m

Basel EuroAirport Swiss

Tue 8/11

7:10 pm-10:09 pm

2 stops59h 59m

$1,177

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Sat 2/28

5:02 pm-6:05 pm

2 stops16h 03m

Basel EuroAirport Swiss

Mon 3/9

4:00 pm-10:07 pm

2 stops38h 07m

$1,427

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Mon 2/16

12:18 pm-6:15 pm

2 stops20h 57m

Basel EuroAirport Swiss

Sat 2/21

3:00 pm-10:07 pm

2 stops40h 07m

$1,827

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Wed 6/17

1:00 pm-1:40 pm

2 stops15h 40m

Basel EuroAirport Swiss

Wed 6/24

8:25 am-5:18 pm

2 stops17h 53m

$2,012

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Tue 6/30

2:22 pm-6:55 pm

2 stops19h 33m

Basel EuroAirport Swiss

Tue 7/7

8:15 am-7:52 pm

2 stops20h 37m

$2,204

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Mon 6/15

2:22 pm-6:20 pm

2 stops18h 58m

Basel EuroAirport Swiss

Mon 6/22

12:10 pm-9:51 pm

2 stops18h 41m

$2,252

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Tue 6/16

2:22 pm-6:55 pm

2 stops19h 33m

Basel EuroAirport Swiss

Tue 6/23

11:55 am-9:26 pm

2 stops18h 31m

$2,254

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 17 results
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Best time to book a flight from Ontario to Basel

Have a flexible travel schedule? Discover the best time to fly to Basel 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 Basel
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Basel. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Basel?

    A quick flight from Ontario to Basel can take about 16h 03m. United Airlines provides one of the quickest options available for as low as $1,141. Ontario and Basel are separated by a distance of 5850 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to Basel that include hotel bookings?

    Yes. In addition to deals on Ontario to Basel flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Basel?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Basel.

  • Can I find deals for business class flights from Ontario to Basel?

    Yes. Cheapflights offers flight deals from Ontario to Basel by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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