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Cheap flights from Ontario to Basel from $819

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 11/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Basel

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:25 am - 4:05 pmONT  Ontario-BSL Basel EuroAirport Swiss
21h 40m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
8:10 pm - 6:01 pmBSL  Basel EuroAirport Swiss-ONT Ontario
30h 51m2 stops Munich Franz Josef Strauss San Francisco
$819United Airlines
Mon, Nov 9 - Mon, Nov 16
United Airlines Logo
1:56 pm - 7:35 pmONT  Ontario-BSL Basel EuroAirport Swiss
20h 39m2 stops San Francisco Munich Franz Josef Strauss
United Airlines Logo
6:05 am - 8:31 pmBSL  Basel EuroAirport Swiss-ONT Ontario
23h 26m2 stops Frankfurt am Main San Francisco
$867United Airlines
Tue, Sep 22 - Tue, Sep 29
Turkish Airlines Logo
10:39 pm - 9:45 amONT  Ontario-BSL Basel EuroAirport Swiss
50h 06m2 stops New York John F Kennedy Intl Istanbul
Turkish Airlines Logo
7:15 pm - 9:00 pmBSL  Basel EuroAirport Swiss-ONT Ontario
58h 45m2 stops Istanbul New York John F Kennedy Intl
$1,088Turkish Airlines
Mon, Sep 21 - Mon, Oct 5
Turkish Airlines Logo
10:39 pm - 9:45 amONT  Ontario-BSL Basel EuroAirport Swiss
50h 06m2 stops New York John F Kennedy Intl Istanbul
Turkish Airlines Logo
7:15 pm - 9:00 pmBSL  Basel EuroAirport Swiss-ONT Ontario
58h 45m2 stops Istanbul New York John F Kennedy Intl
$1,109Turkish Airlines
Mon, Sep 21 - Mon, Oct 5
United Airlines Logo
1:42 pm - 7:30 pmONT  Ontario-BSL Basel EuroAirport Swiss
20h 48m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
1:00 pm - 11:06 pmBSL  Basel EuroAirport Swiss-ONT Ontario
19h 06m2 stops Munich Franz Josef Strauss San Francisco
$1,513United Airlines
Sun, Dec 27 - Wed, Jan 6
United Airlines Logo
1:42 pm - 7:30 pmONT  Ontario-BSL Basel EuroAirport Swiss
20h 48m2 stops Denver Intl Munich Franz Josef Strauss
United Airlines Logo
9:30 am - 5:47 pmBSL  Basel EuroAirport Swiss-ONT Ontario
17h 17m2 stops Munich Franz Josef Strauss San Francisco
$1,513United Airlines
Sun, Dec 27 - Tue, Jan 5
Turkish Airlines Logo
11:59 pm - 6:20 pmONT  Ontario-BSL Basel EuroAirport Swiss
57h 21m2 stops New York John F Kennedy Intl Istanbul
Turkish Airlines Logo
7:15 pm - 8:27 pmBSL  Basel EuroAirport Swiss-ONT Ontario
34h 12m2 stops Istanbul New York John F Kennedy Intl
$1,541Turkish Airlines
Tue, Sep 1 - Sat, Sep 19
British Airways Logo
12:42 pm - 3:05 pmONT  Ontario-BSL Basel EuroAirport Swiss
17h 23m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
11:00 am - 10:00 pmBSL  Basel EuroAirport Swiss-ONT Ontario
20h 00m2 stops London Heathrow Phoenix Sky Harbor Intl
$1,561British Airways
Tue, Dec 1 - Tue, Dec 15
Delta Logo
12:00 pm - 1:25 pmONT  Ontario-BSL Basel EuroAirport Swiss
16h 25m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
6:00 am - 4:13 pmBSL  Basel EuroAirport Swiss-ONT Ontario
19h 13m2 stops Amsterdam Schiphol Salt Lake City
$1,564Delta
Thu, Dec 24 - Fri, Jan 1
Delta Logo
12:00 pm - 1:25 pmONT  Ontario-BSL Basel EuroAirport Swiss
16h 25m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
6:00 am - 4:13 pmBSL  Basel EuroAirport Swiss-ONT Ontario
19h 13m2 stops Amsterdam Schiphol Salt Lake City
$1,564Delta
Thu, Dec 24 - Thu, Dec 31

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United Airlines flights from Ontario to Basel

Our best United Airlines deals on Ontario to Basel flight tickets
United Airlines
Nov 9
ONT9:25 amOntario
21h 40m
2 stops
BSL4:05 pmBasel EuroAirport Swiss
Nov 16
BSL8:10 pmBasel EuroAirport Swiss
30h 51m
2 stops
ONT6:01 pmOntario
$819
United Airlines
Sep 22
ONT1:56 pmOntario
20h 39m
2 stops
BSL7:35 pmBasel EuroAirport Swiss
Sep 29
BSL6:05 amBasel EuroAirport Swiss
23h 26m
2 stops
ONT8:31 pmOntario
$867
United Airlines
Dec 27
ONT1:42 pmOntario
20h 48m
2 stops
BSL7:30 pmBasel EuroAirport Swiss
Jan 6
BSL1:00 pmBasel EuroAirport Swiss
19h 06m
2 stops
ONT11:06 pmOntario
$1,513

Turkish Airlines flights from Ontario to Basel

Our best Turkish Airlines deals on Ontario to Basel flight tickets
Turkish Airlines
Sep 21
ONT10:39 pmOntario
50h 06m
2 stops
BSL9:45 amBasel EuroAirport Swiss
Oct 5
BSL7:15 pmBasel EuroAirport Swiss
58h 45m
2 stops
ONT9:00 pmOntario
$1,088
Turkish Airlines
Sep 21
ONT10:39 pmOntario
50h 06m
2 stops
BSL9:45 amBasel EuroAirport Swiss
Oct 5
BSL7:15 pmBasel EuroAirport Swiss
58h 45m
2 stops
ONT9:00 pmOntario
$1,109
Turkish Airlines
Sep 1
ONT11:59 pmOntario
57h 21m
2 stops
BSL6:20 pmBasel EuroAirport Swiss
Sep 19
BSL7:15 pmBasel EuroAirport Swiss
34h 12m
2 stops
ONT8:27 pmOntario
$1,541

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 August 10, 2026.
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

Cheapest round-trip

OntarioBasel

ONT Ontario - BSL Basel EuroAirport Swiss

ONTBSL

Ontario

Mon 11/9

9:25 am-4:05 pm

2 stops21h 40m

Basel EuroAirport Swiss

Mon 11/16

8:10 pm-6:01 pm

2 stops30h 51m

$819

OntarioBasel

ONT Ontario - BSL Basel EuroAirport Swiss

ONTBSL

Ontario

Tue 9/22

1:56 pm-7:35 pm

2 stops20h 39m

Basel EuroAirport Swiss

Tue 9/29

6:05 am-8:31 pm

2 stops23h 26m

$867

OntarioBasel

ONT Ontario - BSL Basel EuroAirport Swiss

ONTBSL

Ontario

Mon 9/21

10:39 pm-9:45 am

2 stops50h 06m

Basel EuroAirport Swiss

Mon 10/5

7:15 pm-9:00 pm

2 stops58h 45m

$1,088

OntarioBasel

ONT Ontario - BSL Basel EuroAirport Swiss

ONTBSL

Ontario

Mon 9/21

10:39 pm-9:45 am

2 stops50h 06m

Basel EuroAirport Swiss

Mon 10/5

7:15 pm-9:00 pm

2 stops58h 45m

$1,109

OntarioBasel

ONT Ontario - BSL Basel EuroAirport Swiss

ONTBSL

Ontario

Sun 12/27

1:42 pm-7:30 pm

2 stops20h 48m

Basel EuroAirport Swiss

Wed 1/6

1:00 pm-11:06 pm

2 stops19h 06m

$1,513

OntarioBasel

ONT Ontario - BSL Basel EuroAirport Swiss

ONTBSL

Ontario

Sun 12/27

1:42 pm-7:30 pm

2 stops20h 48m

Basel EuroAirport Swiss

Tue 1/5

9:30 am-5:47 pm

2 stops17h 17m

$1,513

OntarioBasel

ONT Ontario - BSL Basel EuroAirport Swiss

ONTBSL

Ontario

Tue 9/1

11:59 pm-6:20 pm

2 stops57h 21m

Basel EuroAirport Swiss

Sat 9/19

7:15 pm-8:27 pm

2 stops34h 12m

$1,541

OntarioBasel

ONT Ontario - BSL Basel EuroAirport Swiss

ONTBSL

Ontario

Tue 12/1

12:42 pm-3:05 pm

2 stops17h 23m

Basel EuroAirport Swiss

Tue 12/15

11:00 am-10:00 pm

2 stops20h 00m

$1,561
Quickest round-trip

OntarioBasel

ONT Ontario - BSL Basel EuroAirport Swiss

ONTBSL

Ontario

Thu 12/24

12:00 pm-1:25 pm

2 stops16h 25m

Basel EuroAirport Swiss

Fri 1/1

6:00 am-4:13 pm

2 stops19h 13m

$1,564

OntarioBasel

ONT Ontario - BSL Basel EuroAirport Swiss

ONTBSL

Ontario

Thu 12/24

12:00 pm-1:25 pm

2 stops16h 25m

Basel EuroAirport Swiss

Thu 12/31

6:00 am-4:13 pm

2 stops19h 13m

$1,564

Flights are sorted by cheapest round-trip flights 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 airline that flies from Ontario to Basel?

British Airways and Turkish Airlines are the most popular carriers operating from Ontario to Basel

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

17h 23m

Direct flights

None
The fastest flight from Ontario to Basel takes 17h 23m
There are no direct flights from Ontario to Basel. There are no popular flight routes from Ontario to Basel.
Search flight deals

Frequently asked questions about flying from Ontario to Basel

  • 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 17h 23m.

  • 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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