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Cheap flights from Ontario to Sioux Falls from $116

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 Sioux Falls departing on 2/22. 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 Sioux Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:40 am - 1:21 pm
ONT
-
FSD
26h 41m
1 stop
Frontier Logo
8:54 pm - 11:59 pm
FSD
-
ONT
5h 05m
1 stop
$211Frontier
Wed, Mar 4 - Mon, Mar 9
Frontier Logo
6:15 am - 7:59 pm
ONT
-
FSD
11h 44m
1 stop
Frontier Logo
8:54 pm - 11:59 pm
FSD
-
ONT
5h 05m
1 stop
$244Frontier
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
6:10 am - 1:21 pm
ONT
-
FSD
5h 11m
1 stop
Frontier Logo
2:16 pm - 11:59 pm
FSD
-
ONT
11h 43m
1 stop
$251Frontier
Sun, Mar 1 - Thu, Mar 5
Frontier Logo
6:15 am - 7:59 pm
ONT
-
FSD
11h 44m
1 stop
Frontier Logo
8:54 pm - 11:59 pm
FSD
-
ONT
5h 05m
1 stop
$270Frontier
Fri, Mar 6 - Mon, Mar 9
Frontier Logo
6:00 am - 12:56 pm
ONT
-
FSD
4h 56m
1 stop
Frontier Logo
2:16 pm - 11:59 pm
FSD
-
ONT
11h 43m
1 stop
$286Frontier
Fri, Feb 27 - Sun, Mar 1
Frontier Logo
6:20 am - 6:31 pm
ONT
-
FSD
10h 11m
1 stop
Frontier Logo
7:21 pm - 11:56 pm
FSD
-
ONT
6h 35m
1 stop
$290Frontier
Fri, Apr 3 - Mon, Apr 6
Frontier Logo
6:00 am - 12:56 pm
ONT
-
FSD
4h 56m
1 stop
Frontier Logo
2:42 pm - 11:59 pm
FSD
-
ONT
11h 17m
1 stop
$297Frontier
Fri, Feb 27 - Mon, Mar 2
United Airlines Logo
1:50 pm - 11:44 pm
ONT
-
FSD
7h 54m
1 stop
United Airlines Logo
3:13 pm - 10:18 pm
FSD
-
ONT
9h 05m
1 stop
$321United Airlines
Wed, Mar 18 - Tue, Mar 24
United Airlines Logo
1:50 pm - 11:44 pm
ONT
-
FSD
7h 54m
1 stop
United Airlines Logo
5:10 pm - 8:50 pm
FSD
-
ONT
5h 40m
1 stop
$324United Airlines
Wed, Mar 18 - Tue, Mar 24
United Airlines Logo
1:50 pm - 11:44 pm
ONT
-
FSD
7h 54m
1 stop
United Airlines Logo
9:00 am - 5:41 pm
FSD
-
ONT
10h 41m
2 stops
$327United Airlines
Wed, Mar 18 - Tue, Mar 24

American Airlines flights from Ontario to Sioux Falls

Our best American Airlines deals on Ontario to Sioux Falls flight tickets
American Airlines
Mar 18
ONT10:56 amOntario
8h 44m
1 stop
FSD9:40 pmSioux Falls Joe Foss Field
Mar 24
FSD1:22 pmSioux Falls Joe Foss Field
7h 20m
1 stop
ONT6:42 pmOntario
$353
American Airlines
Mar 18
ONT10:56 amOntario
8h 44m
1 stop
FSD9:40 pmSioux Falls Joe Foss Field
Mar 24
FSD1:22 pmSioux Falls Joe Foss Field
10h 45m
2 stops
ONT10:07 pmOntario
$358
American Airlines
Apr 3
ONT5:02 pmOntario
4h 56m
1 stop
FSD11:58 pmSioux Falls Joe Foss Field
Apr 7
FSD1:41 pmSioux Falls Joe Foss Field
9h 13m
1 stop
ONT8:54 pmOntario
$380

Frontier flights from Ontario to Sioux Falls

Our best Frontier deals on Ontario to Sioux Falls flight tickets
Frontier
Mar 4
ONT8:40 amOntario
26h 41m
1 stop
FSD1:21 pmSioux Falls Joe Foss Field
Mar 9
FSD8:54 pmSioux Falls Joe Foss Field
5h 05m
1 stop
ONT11:59 pmOntario
$211
Frontier
Mar 6
ONT6:15 amOntario
11h 44m
1 stop
FSD7:59 pmSioux Falls Joe Foss Field
Mar 9
FSD8:54 pmSioux Falls Joe Foss Field
5h 05m
1 stop
ONT11:59 pmOntario
$244
Frontier
Mar 1
ONT6:10 amOntario
5h 11m
1 stop
FSD1:21 pmSioux Falls Joe Foss Field
Mar 5
FSD2:16 pmSioux Falls Joe Foss Field
11h 43m
1 stop
ONT11:59 pmOntario
$251

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Sioux Falls 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 February 18, 2026.
Use the filters below to find and compare flights from Ontario to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 3/4

8:40 am-1:21 pm

1 stop26h 41m

Sioux Falls Joe Foss Field

Mon 3/9

8:54 pm-11:59 pm

1 stop5h 05m

$211

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 3/6

6:15 am-7:59 pm

1 stop11h 44m

Sioux Falls Joe Foss Field

Mon 3/9

8:54 pm-11:59 pm

1 stop5h 05m

$244

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Sun 3/1

6:10 am-1:21 pm

1 stop5h 11m

Sioux Falls Joe Foss Field

Thu 3/5

2:16 pm-11:59 pm

1 stop11h 43m

$251

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 3/6

6:15 am-7:59 pm

1 stop11h 44m

Sioux Falls Joe Foss Field

Mon 3/9

8:54 pm-11:59 pm

1 stop5h 05m

$270

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 2/27

6:00 am-12:56 pm

1 stop4h 56m

Sioux Falls Joe Foss Field

Sun 3/1

2:16 pm-11:59 pm

1 stop11h 43m

$286

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 4/3

6:20 am-6:31 pm

1 stop10h 11m

Sioux Falls Joe Foss Field

Mon 4/6

7:21 pm-11:56 pm

1 stop6h 35m

$290

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 2/27

6:00 am-12:56 pm

1 stop4h 56m

Sioux Falls Joe Foss Field

Mon 3/2

2:42 pm-11:59 pm

1 stop11h 17m

$297

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 3/18

1:50 pm-11:44 pm

1 stop7h 54m

Sioux Falls Joe Foss Field

Tue 3/24

3:13 pm-10:18 pm

1 stop9h 05m

$321

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 3/18

1:50 pm-11:44 pm

1 stop7h 54m

Sioux Falls Joe Foss Field

Tue 3/24

5:10 pm-8:50 pm

1 stop5h 40m

$324

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 3/18

1:50 pm-11:44 pm

1 stop7h 54m

Sioux Falls Joe Foss Field

Tue 3/24

9:00 am-5:41 pm

2 stops10h 41m

$327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sioux Falls from

How to get the cheapest flight ticket from Ontario to Sioux Falls

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 Sioux Falls?

The cheapest day to depart on your flight to Sioux Falls is on a Wednesday when prices can be found for as low as $118. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $158.

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

Our most recent data shows that the best time of day to fly to Sioux Falls is in the afternoon. Flights from Ontario to Sioux Falls during this time can be as low as $137. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $290 on average. Flights to Sioux Falls from Ontario in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Ontario to Sioux Falls

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

Cheap Ontario to Sioux Falls (ONT to FSD) flight deals and tips

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

Fastest flight time

4h 50m

Direct flights

None
The fastest flight from Ontario to Sioux Falls takes 4h 50m
There are no direct flights from Ontario to Sioux Falls. There are no popular flight routes from Ontario to Sioux Falls.
Search flight deals

  • How far is Ontario to Sioux Falls Joe Foss Field by plane?

    A flight from Ontario to Sioux Falls Joe Foss Field will travel around 1296.8 mi. A reasonable flight in good conditions will take 4h 50m.

  • When did momondo last update prices for flights from Ontario Airport to Sioux Falls Joe Foss Field Airport?

    Prices for flights from Ontario Airport to Sioux Falls Joe Foss Field Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Sioux Falls Joe Foss Field Airport?

  • How old do you have to be to fly from Ontario Airport to Sioux Falls Joe Foss Field Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Sioux Falls Joe Foss Field Airport.

  • What documentation or ID do you need to fly to Sioux Falls Joe Foss Field Airport?

    The travel and health documents required for your trip to Sioux Falls Joe Foss Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sioux Falls Joe Foss Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Sioux Falls?

Best airlines flying from Ontario to Sioux Falls

Compare and see reviews for airlines that fly from Ontario to Sioux Falls with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $65Free CancellationRating
5.7
3,048 reviews
Search Frontier flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,304 reviews
Search American Airlines flights
United AirlinesPriceFrom $293Free CancellationRating
7.4
9,313 reviews
Search United Airlines flights

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Yankton
Marshall
Worthington

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Sioux Falls. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Sioux Falls from Ontario with this policy.

How can momondo help me find flights from Ontario to Sioux Falls?

Once you have performed a search for Ontario to Sioux Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Sioux Falls, momondo offers a useful price alert feature which will track prices for flights to Sioux Falls from Ontario and alert you when they change.

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