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Cheap flights from Ontario to Basel from $611

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 3/3. 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

Enter your travel dates to find the best prices.
United Airlines Logo
6:39 pm - 7:40 pmONT-BSL
16h 01m2 stops
United Airlines Logo
9:50 am - 5:43 pmBSL-ONT
16h 53m2 stops
$887United Airlines
Find Deal
Sun, Jan 25 - Tue, Feb 3
United Airlines Logo
7:15 pm - 7:40 pmONT-BSL
15h 25m2 stops
United Airlines Logo
9:50 am - 10:37 pmBSL-ONT
20h 47m2 stops
$937United Airlines
Find Deal
Fri, Mar 6 - Fri, Mar 20
Multiple Airlines Logo
10:58 am - 3:05 pmONT-BSL
19h 07m2 stops
Multiple Airlines Logo
10:55 am - 10:48 pmBSL-ONT
20h 53m2 stops
$1,090Multiple Airlines
Find Deal
Tue, Jan 27 - Mon, Feb 2
British Airways Logo
10:58 am - 2:10 pmONT-BSL
18h 12m2 stops
British Airways Logo
6:20 am - 6:45 pmBSL-ONT
21h 25m2 stops
$1,248British Airways
Find Deal
Fri, Jan 9 - Wed, Jan 14
United Airlines Logo
1:40 pm - 4:05 pmONT-BSL
17h 25m2 stops
United Airlines Logo
9:50 am - 9:07 pmBSL-ONT
20h 17m2 stops
$1,640United Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
British Airways Logo
5:02 pm - 6:15 pmONT-BSL
17h 13m2 stops
British Airways Logo
10:55 am - 9:40 pmBSL-ONT
18h 45m2 stops
$1,744British Airways
Find Deal
Mon, Mar 9 - Mon, Mar 16
United Airlines Logo
6:00 am - 7:40 pmONT-BSL
29h 40m2 stops
United Airlines Logo
1:00 pm - 12:20 pmBSL-ONT
32h 20m2 stops
$1,910United Airlines
Find Deal
Sun, Mar 22 - Tue, Mar 31
United Airlines Logo
1:49 pm - 7:40 pmONT-BSL
20h 51m2 stops
United Airlines Logo
9:50 am - 12:17 pmBSL-ONT
34h 27m2 stops
$1,994United Airlines
Find Deal
Fri, Mar 6 - Fri, Mar 20
British Airways Logo
2:42 pm - 7:05 pmONT-BSL
19h 23m2 stops
British Airways Logo
10:55 am - 10:14 pmBSL-ONT
20h 19m2 stops
$2,402British Airways
Find Deal
Thu, Dec 18 - Mon, Dec 29

United Airlines flights from Ontario to Basel

Our best United Airlines deals on Ontario to Basel flight tickets
United Airlines
Jan 25
ONT6:39 pmOntario
16h 01m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Feb 3
BSL9:50 amBasel EuroAirport Swiss
16h 53m
2 stops
ONT5:43 pmOntario
$887
Find similar
United Airlines
Mar 6
ONT7:15 pmOntario
15h 25m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Mar 20
BSL9:50 amBasel EuroAirport Swiss
20h 47m
2 stops
ONT10:37 pmOntario
$937
Find similar
United Airlines
Dec 24
ONT1:40 pmOntario
17h 25m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Dec 31
BSL9:50 amBasel EuroAirport Swiss
20h 17m
2 stops
ONT9:07 pmOntario
$1,640
Find similar

British Airways flights from Ontario to Basel

Our best British Airways deals on Ontario to Basel flight tickets
British Airways
Jan 9
ONT10:58 amOntario
18h 12m
2 stops
BSL2:10 pmBasel EuroAirport Swiss
Jan 14
BSL6:20 amBasel EuroAirport Swiss
21h 25m
2 stops
ONT6:45 pmOntario
$1,248
Find similar
British Airways
Mar 9
ONT5:02 pmOntario
17h 13m
2 stops
BSL6:15 pmBasel EuroAirport Swiss
Mar 16
BSL10:55 amBasel EuroAirport Swiss
18h 45m
2 stops
ONT9:40 pmOntario
$1,744
Find similar
British Airways
Dec 18
ONT2:42 pmOntario
19h 23m
2 stops
BSL7:05 pmBasel EuroAirport Swiss
Dec 29
BSL10:55 amBasel EuroAirport Swiss
20h 19m
2 stops
ONT10:14 pmOntario
$2,402
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 November 13, 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

Sun 1/25

6:39 pm-7:40 pm

2 stops16h 01m

Basel EuroAirport Swiss

Tue 2/3

9:50 am-5:43 pm

2 stops16h 53m

$887

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Fri 3/6

7:15 pm-7:40 pm

2 stops15h 25m

Basel EuroAirport Swiss

Fri 3/20

9:50 am-10:37 pm

2 stops20h 47m

$937

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Tue 1/27

10:58 am-3:05 pm

2 stops19h 07m

Basel EuroAirport Swiss

Mon 2/2

10:55 am-10:48 pm

2 stops20h 53m

$1,090

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Fri 1/9

10:58 am-2:10 pm

2 stops18h 12m

Basel EuroAirport Swiss

Wed 1/14

6:20 am-6:45 pm

2 stops21h 25m

$1,248

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Wed 12/24

1:40 pm-4:05 pm

2 stops17h 25m

Basel EuroAirport Swiss

Wed 12/31

9:50 am-9:07 pm

2 stops20h 17m

$1,640

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Mon 3/9

5:02 pm-6:15 pm

2 stops17h 13m

Basel EuroAirport Swiss

Mon 3/16

10:55 am-9:40 pm

2 stops18h 45m

$1,744

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Sun 3/22

6:00 am-7:40 pm

2 stops29h 40m

Basel EuroAirport Swiss

Tue 3/31

1:00 pm-12:20 pm

2 stops32h 20m

$1,910

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Fri 3/6

1:49 pm-7:40 pm

2 stops20h 51m

Basel EuroAirport Swiss

Fri 3/20

9:50 am-12:17 pm

2 stops34h 27m

$1,994

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Thu 12/18

2:42 pm-7:05 pm

2 stops19h 23m

Basel EuroAirport Swiss

Mon 12/29

10:55 am-10:14 pm

2 stops20h 19m

$2,402

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Tue 3/3

10:59 am-3:05 pm

2 stops19h 06m

$611

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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 15h 25m.

  • 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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