How long is the flight from Ontario to Basel?

A quick flight from Ontario to Basel can take about 20h 47m. United Airlines provides one of the quickest options available for as low as $1,138. Ontario and Basel are separated by a distance of 5850 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Basel ranges from 1.9 - 3.4 inches per month. June is typically the wettest month, when rainfall can reach 3.4 in. February is typically the driest time to visit Basel when rainfall is around 1.9 in.

If weather is an important factor for your trip to Basel, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What is the cheapest time of day to fly from ONT to EAP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Basel as you normally would.

Most accurate provider : When it comes to deals on Ontario-Basel flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Basel flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Basel flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Basel flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Basel flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$918+ Flights from Ontario to Basel

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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 December 23, 2025.

Thu 12/255:05 amONT - BSL

2 stops22h 25mUnited Airlines

Fri 1/29:50 amBSL - ONT

2 stops21h 02mUnited Airlines

Deal found 12/22

$2,317

Thu 12/2510:50 amONT - BSL

2 stops19h 15mBritish Airways

Sat 12/276:00 pmBSL - ONT

2 stops33h 16mBritish Airways

Deal found 12/21

$3,189

Best flights from Ontario to Basel
Discover carefully curated flight deals from Ontario to Basel that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Wed 2/41:53 pmONT - BSL

2 stops20h 47mUnited Airlines

Wed 2/119:50 amBSL - ONT

2 stops20h 08mUnited Airlines

Deal found 12/21

$1,138

Tue 6/161:22 amONT - BSL

2 stops24h 58mBritish Airways

Tue 6/307:10 pmBSL - ONT

2 stops33h 38mBritish Airways

Deal found 12/21

$2,034

Wed 1/215:05 amONT - BSL

2 stops29h 35mUnited Airlines

Sun 1/259:50 amBSL - ONT

2 stops16h 53mUnited Airlines

Deal found 12/20

$1,488

Wed 1/73:09 pmONT - BSL

2 stops18h 31mBritish Airways

Sun 1/116:35 amBSL - ONT

2 stops19h 47mBritish Airways

Deal found 12/22

$2,058

Mon 1/193:09 pmONT - BSL

2 stops21h 26mBritish Airways

Mon 2/24:00 pmBSL - ONT

2 stops35h 45mBritish Airways

Deal found 12/22

$5,251

Last-minute flights from Ontario to Basel
Discover last-minute flight deals from Ontario to Basel. Data last updated December 23, 2025 and is based on user searches.

Thu 12/255:05 amONT - BSL

2 stops22h 25mUnited Airlines

Fri 1/29:50 amBSL - ONT

2 stops21h 02mUnited Airlines

Deal found 12/22

$2,317

Thu 12/2510:50 amONT - BSL

2 stops19h 15mBritish Airways

Sat 12/276:00 pmBSL - ONT

2 stops33h 16mBritish Airways

Deal found 12/21

$3,189

Wed 1/73:09 pmONT - BSL

2 stops18h 31mBritish Airways

Sun 1/116:35 amBSL - ONT

2 stops19h 47mBritish Airways

Deal found 12/22

$2,058

Mon 1/193:09 pmONT - BSL

2 stops21h 26mBritish Airways

Mon 2/24:00 pmBSL - ONT

2 stops35h 45mBritish Airways

Deal found 12/22

$5,251

Wed 1/215:05 amONT - BSL

2 stops26h 00mUnited Airlines

Sun 1/251:10 pmBSL - ONT

2 stops18h 43mUnited Airlines

Deal found 12/21

$1,488

One-way flights from Ontario to Basel
Search for one-way flight options from Ontario to Basel. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Thu 4/91:33 pmONT - BSL

2 stops19h 52mBritish Airways

Deal found 12/21

$918

Thu 3/195:02 pmONT - BSL

2 stops18h 03mBritish Airways

Deal found 12/21

$1,239

Mon 6/18:43 amONT - BSL

2 stops17h 17mBritish Airways

Deal found 12/23

$1,353

Tue 6/168:43 amONT - BSL

2 stops17h 12mBritish Airways

Deal found 12/23

$1,472

Thu 3/1910:56 amONT - BSL

2 stops20h 09mMultiple Airlines

Deal found 12/21

$3,393

Thu 6/118:43 amONT - BSL

2 stops17h 12mBritish Airways

Deal found 12/22

$6,190

Find flight deals from Ontario to Basel

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,138 (United Airlines)
One-way from	$918 (oojo)
Popular in	April
Cheapest in	February
Average price	$1,149

Provider with most accurate pricing for Ontario-Basel (EAP) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-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. 40% potential increase in price ($812 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 26% potential price decrease ($248 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Wed 2/4

1:53 pm-7:40 pm

2 stops20h 47m

Basel EuroAirport Swiss

Wed 2/11

9:50 am-8:58 pm

2 stops20h 08m

$1,138

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Wed 1/21

5:05 am-7:40 pm

2 stops29h 35m

Basel EuroAirport Swiss

Sun 1/25

9:50 am-5:43 pm

2 stops16h 53m

$1,488

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Tue 6/16

1:22 am-11:20 am

2 stops24h 58m

Basel EuroAirport Swiss

Tue 6/30

7:10 pm-7:48 pm

2 stops33h 38m

$2,034

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Wed 1/7

3:09 pm-6:40 pm

2 stops18h 31m

Basel EuroAirport Swiss

Sun 1/11

6:35 am-5:22 pm

2 stops19h 47m

$2,058

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Mon 1/19

3:09 pm-9:35 pm

2 stops21h 26m

Basel EuroAirport Swiss

Mon 2/2

4:00 pm-6:45 pm

2 stops35h 45m

$5,251

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Thu 4/9

1:33 pm-6:25 pm

2 stops19h 52m

$918

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Thu 3/19

5:02 pm-7:05 pm

2 stops18h 03m

$1,239

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Mon 6/1

8:43 am-11:00 am

2 stops17h 17m

$1,353

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Tue 6/16

8:43 am-10:55 am

2 stops17h 12m

$1,472

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Thu 3/19

10:56 am-3:05 pm

2 stops20h 09m

$3,393

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 11 results

Most accurate provider: When it comes to deals on Ontario-Basel flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Basel flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Basel flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Basel flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Basel flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

How long is the flight from Ontario to Basel?
A quick flight from Ontario to Basel can take about 20h 47m. United Airlines provides one of the quickest options available for as low as $1,138. 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

Browse thousands of different options on Cheapflights for your next trip

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$918+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Basel with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Basel

Cheapest flights from Ontario to BaselExplore 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 December 23, 2025.

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 December 23, 2025.

Find flight deals from Ontario to Basel

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Use the filters below to find and compare flights from Ontario to Basel that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Basel

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?

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

How can I find direct flights from Ontario to Basel?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Basel

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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 December 23, 2025.