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Cheap flights from Ontario to Basel from $874

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Basel departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
British Airways Logo
3:09 pm - 6:40 pm
ONT
-
BSL
18h 31m2 stops
British Airways Logo
11:10 am - 10:19 pm
BSL
-
ONT
20h 09m2 stops
$874British Airways
Wed, Feb 11 - Wed, Feb 25
Multiple Airlines Logo
10:58 am - 3:05 pm
ONT
-
BSL
19h 07m2 stops
Multiple Airlines Logo
11:00 am - 10:49 pm
BSL
-
ONT
20h 49m2 stops
$890Multiple Airlines
Sun, Feb 1 - Tue, Feb 17
Multiple Airlines Logo
10:58 am - 3:05 pm
ONT
-
BSL
19h 07m2 stops
Multiple Airlines Logo
10:55 am - 11:58 pm
BSL
-
ONT
22h 03m2 stops
$940Multiple Airlines
Sun, Feb 1 - Mon, Feb 16
United Airlines Logo
5:05 am - 4:05 pm
ONT
-
BSL
26h 00m2 stops
United Airlines Logo
1:10 pm - 8:58 pm
BSL
-
ONT
40h 48m2 stops
$1,498United Airlines
Wed, Jan 21 - Sun, Jan 25
United Airlines Logo
1:40 pm - 7:40 pm
ONT
-
BSL
21h 00m2 stops
United Airlines Logo
9:50 am - 9:52 pm
BSL
-
ONT
21h 02m2 stops
$2,415United Airlines
Sun, Dec 21 - Sun, Dec 28
British Airways Logo
10:50 am - 10:20 pm
ONT
-
BSL
26h 30m2 stops
British Airways Logo
11:20 am - 10:14 pm
BSL
-
ONT
19h 54m2 stops
$2,541British Airways
Sun, Dec 21 - Sun, Dec 28
Delta Logo
11:10 am - 1:50 pm
ONT
-
BSL
17h 40m2 stops
Delta Logo
6:05 am - 4:12 pm
BSL
-
ONT
19h 07m2 stops
$2,655Delta
Mon, Dec 22 - Sun, Dec 28
British Airways Logo
8:43 am - 11:00 am
ONT
-
BSL
17h 17m2 stops
British Airways Logo
11:50 am - 9:43 pm
BSL
-
ONT
18h 53m2 stops
$7,311British Airways
Fri, May 22 - Sat, May 30

British Airways flights from Ontario to Basel

Our best British Airways deals on Ontario to Basel flight tickets
British Airways
Feb 11
ONT3:09 pmOntario
18h 31m
2 stops
BSL6:40 pmBasel EuroAirport Swiss
Feb 25
BSL11:10 amBasel EuroAirport Swiss
20h 09m
2 stops
ONT10:19 pmOntario
$874
Find similar
British Airways
Dec 21
ONT10:50 amOntario
26h 30m
2 stops
BSL10:20 pmBasel EuroAirport Swiss
Dec 28
BSL11:20 amBasel EuroAirport Swiss
19h 54m
2 stops
ONT10:14 pmOntario
$2,541
Find similar
British Airways
Dec 18
ONT12:45 pmOntario
17h 20m
2 stops
BSL3:05 pmBasel EuroAirport Swiss
Jan 4
BSL11:20 amBasel EuroAirport Swiss
21h 26m
2 stops
ONT11:46 pmOntario
$4,196
Find similar

United Airlines flights from Ontario to Basel

Our best United Airlines deals on Ontario to Basel flight tickets
United Airlines
Jan 21
ONT5:05 amOntario
26h 00m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Jan 25
BSL1:10 pmBasel EuroAirport Swiss
40h 48m
2 stops
ONT8:58 pmOntario
$1,498
Find similar
United Airlines
Dec 21
ONT1:40 pmOntario
21h 00m
2 stops
BSL7:40 pmBasel EuroAirport Swiss
Dec 28
BSL9:50 amBasel EuroAirport Swiss
21h 02m
2 stops
ONT9:52 pmOntario
$2,415
Find similar
United Airlines
Dec 18
ONT6:04 amOntario
21h 26m
2 stops
BSL12:30 pmBasel EuroAirport Swiss
Jan 4
BSL9:50 amBasel EuroAirport Swiss
21h 02m
2 stops
ONT9:52 pmOntario
$3,031
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 December 11, 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

Wed 2/11

3:09 pm-6:40 pm

2 stops18h 31m

Basel EuroAirport Swiss

Wed 2/25

11:10 am-10:19 pm

2 stops20h 09m

$874

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Sun 2/1

10:58 am-3:05 pm

2 stops19h 07m

Basel EuroAirport Swiss

Tue 2/17

11:00 am-10:49 pm

2 stops20h 49m

$890

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Sun 2/1

10:58 am-3:05 pm

2 stops19h 07m

Basel EuroAirport Swiss

Mon 2/16

10:55 am-11:58 pm

2 stops22h 03m

$940

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Wed 1/21

5:05 am-4:05 pm

2 stops26h 00m

Basel EuroAirport Swiss

Sun 1/25

1:10 pm-8:58 pm

2 stops40h 48m

$1,498

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Sun 12/21

1:40 pm-7:40 pm

2 stops21h 00m

Basel EuroAirport Swiss

Sun 12/28

9:50 am-9:52 pm

2 stops21h 02m

$2,415

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Sun 12/21

10:50 am-10:20 pm

2 stops26h 30m

Basel EuroAirport Swiss

Sun 12/28

11:20 am-10:14 pm

2 stops19h 54m

$2,541

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Mon 12/22

11:10 am-1:50 pm

2 stops17h 40m

Basel EuroAirport Swiss

Sun 12/28

6:05 am-4:12 pm

2 stops19h 07m

$2,655

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Fri 5/22

8:43 am-11:00 am

2 stops17h 17m

Basel EuroAirport Swiss

Sat 5/30

11:50 am-9:43 pm

2 stops18h 53m

$7,311

OntarioBasel

ONT - BSL

ONTBSL

Ontario

Sun 6/7

11:25 pm-6:05 pm

2 stops33h 40m

$1,053

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

Fastest flight time

18h 31m

Direct flights

None
The fastest flight from Ontario to Basel takes 18h 31m
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 18h 31m.

  • 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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