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Cheap flights from Ontario to Basel from $743

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Basel departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Basel

Cheap round-trip flights

Logo
12:53 pm - 3:35 pmONT-BSL
17h 42m2 stops
Logo
1:30 pm - 11:55 pmBSL-ONT
19h 25m2 stops
$906
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Sat, Dec 6 - Sun, Dec 14
United Airlines Logo
6:38 pm - 7:40 pmONT-BSL
16h 02m2 stops
United Airlines Logo
9:50 am - 5:34 pmBSL-ONT
16h 44m2 stops
$917United Airlines
Find Deal
Wed, Nov 12 - Tue, Nov 25
United Airlines Logo
1:33 pm - 4:05 pmONT-BSL
17h 32m2 stops
United Airlines Logo
9:50 am - 10:51 pmBSL-ONT
22h 01m2 stops
$1,117United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
1:40 pm - 7:40 pmONT-BSL
21h 00m2 stops
United Airlines Logo
9:50 am - 9:07 pmBSL-ONT
20h 17m2 stops
$1,617United Airlines
Find Deal
Sun, Dec 21 - Tue, Dec 30
United Airlines Logo
7:15 pm - 9:10 amONT-BSL
28h 55m2 stops
United Airlines Logo
9:50 am - 9:59 amBSL-ONT
32h 09m2 stops
$2,187United Airlines
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Thu, Mar 5 - Sun, Mar 15
British Airways Logo
4:45 pm - 6:15 pmONT-BSL
16h 30m2 stops
British Airways Logo
7:00 am - 5:53 pmBSL-ONT
19h 53m2 stops
$2,662British Airways
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Mon, Dec 22 - Tue, Jan 6
Logo
8:15 am - 10:55 amONT-BSL
17h 40m2 stops
Logo
7:05 am - 6:54 pmBSL-ONT
20h 49m2 stops
$3,037
Find Deal
Thu, Sep 25 - Sun, Sep 28

United Airlines flights from Ontario to Basel

Our best United Airlines deals on Ontario to Basel flight tickets
United Airlines
Nov 12
ONT6:38 pmOntario
16h 02m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Nov 25
BSL9:50 amBasel EuroAirport Swiss
16h 44m
2 stops
ONT5:34 pmOntario
$917
Find similar
United Airlines
Nov 12
ONT1:33 pmOntario
17h 32m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Nov 16
BSL9:50 amBasel EuroAirport Swiss
22h 01m
2 stops
ONT10:51 pmOntario
$1,117
Find similar
United Airlines
Dec 21
ONT1:40 pmOntario
21h 00m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Dec 30
BSL9:50 amBasel EuroAirport Swiss
20h 17m
2 stops
ONT9:07 pmOntario
$1,617
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Ontario to Basel that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Sat 12/6

12:53 pm-3:35 pm

2 stops17h 42m

Basel EuroAirport Swiss

Sun 12/14

1:30 pm-11:55 pm

2 stops19h 25m

$906

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Wed 11/12

6:38 pm-7:40 pm

2 stops16h 02m

Basel EuroAirport Swiss

Tue 11/25

9:50 am-5:34 pm

2 stops16h 44m

$917

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Wed 11/12

1:33 pm-4:05 pm

2 stops17h 32m

Basel EuroAirport Swiss

Sun 11/16

9:50 am-10:51 pm

2 stops22h 01m

$1,117

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Sun 12/21

1:40 pm-7:40 pm

2 stops21h 00m

Basel EuroAirport Swiss

Tue 12/30

9:50 am-9:07 pm

2 stops20h 17m

$1,617

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Thu 3/5

7:15 pm-9:10 am

2 stops28h 55m

Basel EuroAirport Swiss

Sun 3/15

9:50 am-9:59 am

2 stops32h 09m

$2,187

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Mon 12/22

4:45 pm-6:15 pm

2 stops16h 30m

Basel EuroAirport Swiss

Tue 1/6

7:00 am-5:53 pm

2 stops19h 53m

$2,662

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Thu 9/25

8:15 am-10:55 am

2 stops17h 40m

Basel EuroAirport Swiss

Sun 9/28

7:05 am-6:54 pm

2 stops20h 49m

$3,037

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Mon 10/20

8:15 am-11:45 am

2 stops18h 30m

$743

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Fri 9/26

8:15 am-11:00 am

2 stops17h 45m

$1,303

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Basel from

How to get the cheapest flight ticket from Ontario to Basel

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Basel?

On average, the least expensive day to fly to Basel from Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $724. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Basel is Thursday, with ticket prices averaging around $1,296.

What is the cheapest time of day to depart on your flight to Basel?

In the evening is the cheapest time of day to fly from Ontario to Basel when you can find flight prices for as low as $744. Flying to Basel in the evening is an ideal time because this is during off-peak travel hours. Flights to Basel are more costly at noon, with an average ticket price of $1,274. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Ontario to Basel

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Basel according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Basel (ONT to EAP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Basel

Direct flights

None
There are no direct flights from Ontario to Basel. There are no popular flight routes from Ontario to Basel.
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  • How far is Ontario to Basel by plane?

    The distance between Ontario and Basel is about 5854.6 mi. In terms of flight time, this usually takes a little over 16h 02m.

  • When did momondo last update prices for flights from Ontario Airport to Basel?

    Prices for flights from Ontario Airport to Basel were last updated today.

  • How old do you have to be to fly from Ontario Airport to Basel?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Basel.

  • What documentation or ID do you need to fly to Basel?

    The necessary travel and health documents for your Basel trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Basel?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Basel from Ontario.

Can I find flights from Ontario to Basel with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Basel flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Basel?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Basel.

I’m not ready to book a flight from Ontario to Basel right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Basel flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Wed 10/15
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