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Cheap flights from Ontario to Sioux Falls from $126

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 11/15. 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
8:45 am - 1:38 pmONT-FSD
26h 53m1 stop
Frontier Logo
2:23 pm - 11:10 amFSD-ONT
22h 47m1 stop
$195Frontier
Find Deal
Wed, Nov 12 - Sun, Nov 16
Multiple Airlines Logo
6:05 am - 6:33 pmONT-FSD
10h 28m2 stops
Multiple Airlines Logo
12:41 pm - 10:05 pmFSD-ONT
11h 24m1 stop
$220Multiple Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
Multiple Airlines Logo
6:05 am - 2:47 pmONT-FSD
6h 42m1 stop
Multiple Airlines Logo
12:41 pm - 10:05 pmFSD-ONT
11h 24m1 stop
$255Multiple Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
American Airlines Logo
1:00 pm - 8:30 pmONT-FSD
5h 30m1 stop
American Airlines Logo
2:50 pm - 6:35 pmFSD-ONT
5h 45m1 stop
$294American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
American Airlines Logo
10:47 am - 9:10 pmONT-FSD
8h 23m1 stop
American Airlines Logo
5:27 pm - 10:29 pmFSD-ONT
7h 02m1 stop
$306American Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
American Airlines Logo
6:20 am - 9:10 pmONT-FSD
12h 50m2 stops
American Airlines Logo
5:27 pm - 10:29 pmFSD-ONT
7h 02m1 stop
$311American Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
1:00 pm - 8:46 pmONT-FSD
5h 46m1 stop
United Airlines Logo
9:14 am - 12:33 pmFSD-ONT
5h 19m1 stop
$349United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
1:00 pm - 8:46 pmONT-FSD
5h 46m1 stop
United Airlines Logo
9:14 am - 6:00 pmFSD-ONT
10h 46m2 stops
$354United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
Delta Logo
1:15 pm - 10:57 pmONT-FSD
7h 42m2 stops
Delta Logo
5:18 am - 12:18 pmFSD-ONT
9h 00m2 stops
$364Delta
Find Deal
Tue, Nov 4 - Tue, Nov 11
Delta Logo
1:15 pm - 10:57 pmONT-FSD
7h 42m2 stops
Delta Logo
5:18 am - 12:18 pmFSD-ONT
9h 00m2 stops
$509Delta
Find Deal
Mon, Nov 3 - Mon, Nov 10

Frontier flights from Ontario to Sioux Falls

Our best Frontier deals on Ontario to Sioux Falls flight tickets
Frontier
Nov 12
ONT8:45 amOntario
26h 53m
1 stop
FSD1:38 pmSioux Falls Joe Foss Field
Nov 16
FSD2:23 pmSioux Falls Joe Foss Field
22h 47m
1 stop
ONT11:10 amOntario
$195
Find similar
Frontier
Nov 3
ONT6:53 amOntario
4h 54m
1 stop
FSD1:47 pmSioux Falls Joe Foss Field
Nov 10
FSD2:32 pmSioux Falls Joe Foss Field
11h 18m
1 stop
ONT11:50 pmOntario
$316
Find similar
Frontier
Nov 13
ONT12:05 pmOntario
23h 42m
1 stop
FSD1:47 pmSioux Falls Joe Foss Field
Nov 16
FSD2:23 pmSioux Falls Joe Foss Field
22h 47m
1 stop
ONT11:10 amOntario
$319
Find similar

American Airlines flights from Ontario to Sioux Falls

Our best American Airlines deals on Ontario to Sioux Falls flight tickets
American Airlines
Oct 18
ONT1:00 pmOntario
5h 30m
1 stop
FSD8:30 pmSioux Falls Joe Foss Field
Oct 25
FSD2:50 pmSioux Falls Joe Foss Field
5h 45m
1 stop
ONT6:35 pmOntario
$294
Find similar
American Airlines
Nov 4
ONT10:47 amOntario
8h 23m
1 stop
FSD9:10 pmSioux Falls Joe Foss Field
Nov 11
FSD5:27 pmSioux Falls Joe Foss Field
7h 02m
1 stop
ONT10:29 pmOntario
$306
Find similar
American Airlines
Nov 4
ONT6:20 amOntario
12h 50m
2 stops
FSD9:10 pmSioux Falls Joe Foss Field
Nov 11
FSD5:27 pmSioux Falls Joe Foss Field
7h 02m
1 stop
ONT10:29 pmOntario
$311
Find similar

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 October 5, 2025.
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 11/12

8:45 am-1:38 pm

1 stop26h 53m

Sioux Falls Joe Foss Field

Sun 11/16

2:23 pm-11:10 am

1 stop22h 47m

$195

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 10/24

6:05 am-6:33 pm

2 stops10h 28m

Sioux Falls Joe Foss Field

Mon 10/27

12:41 pm-10:05 pm

1 stop11h 24m

$220

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 10/24

6:05 am-2:47 pm

1 stop6h 42m

Sioux Falls Joe Foss Field

Mon 10/27

12:41 pm-10:05 pm

1 stop11h 24m

$255

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Sat 10/18

1:00 pm-8:30 pm

1 stop5h 30m

Sioux Falls Joe Foss Field

Sat 10/25

2:50 pm-6:35 pm

1 stop5h 45m

$294

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Tue 11/4

10:47 am-9:10 pm

1 stop8h 23m

Sioux Falls Joe Foss Field

Tue 11/11

5:27 pm-10:29 pm

1 stop7h 02m

$306

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Tue 11/4

6:20 am-9:10 pm

2 stops12h 50m

Sioux Falls Joe Foss Field

Tue 11/11

5:27 pm-10:29 pm

1 stop7h 02m

$311

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Sat 3/7

1:00 pm-8:46 pm

1 stop5h 46m

Sioux Falls Joe Foss Field

Tue 3/10

9:14 am-12:33 pm

1 stop5h 19m

$349

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Sat 3/7

1:00 pm-8:46 pm

1 stop5h 46m

Sioux Falls Joe Foss Field

Tue 3/10

9:14 am-6:00 pm

2 stops10h 46m

$354

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Tue 11/4

1:15 pm-10:57 pm

2 stops7h 42m

Sioux Falls Joe Foss Field

Tue 11/11

5:18 am-12:18 pm

2 stops9h 00m

$364

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Mon 11/3

1:15 pm-10:57 pm

2 stops7h 42m

Sioux Falls Joe Foss Field

Mon 11/10

5:18 am-12:18 pm

2 stops9h 00m

$509

Flights are sorted by cheapest round-trip flights first.

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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 Friday when prices can be found for as low as $139. This is often the case because there is less demand to fly during this day of the week. On the other hand, Wednesday 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 $290.

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 at noon when prices are $378 on average. Flights to Sioux Falls from Ontario at noon 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

Direct flights

None
There are no direct flights from Ontario to Sioux Falls. There are no popular flight routes from Ontario to Sioux Falls.
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  • 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 45m.

  • 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
5.8
3,147 reviews
Search Frontier flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
8,953 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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