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Cheap flights from Ontario to Sioux Falls from $106

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 12/4. 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
6:10 am - 3:01 pmONT-FSD
6h 51m1 stop
Frontier Logo
3:56 pm - 11:59 pmFSD-ONT
10h 03m1 stop
$145Frontier
Find Deal
Thu, Jan 15 - Sun, Jan 18
Frontier Logo
6:00 am - 7:28 pmONT-FSD
11h 28m1 stop
Frontier Logo
8:23 pm - 11:56 pmFSD-ONT
5h 33m1 stop
$181Frontier
Find Deal
Thu, Jan 8 - Sun, Jan 11
Frontier Logo
6:00 am - 7:28 pmONT-FSD
11h 28m1 stop
Frontier Logo
8:23 pm - 11:56 pmFSD-ONT
5h 33m1 stop
$185Frontier
Find Deal
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
6:15 am - 10:50 amONT-FSD
26h 35m1 stop
Multiple Airlines Logo
2:26 pm - 11:31 pmFSD-ONT
35h 05m2 stops
$222Multiple Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Multiple Airlines Logo
6:15 am - 10:50 amONT-FSD
26h 35m1 stop
Multiple Airlines Logo
2:26 pm - 2:25 pmFSD-ONT
25h 59m1 stop
$234Multiple Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Frontier Logo
6:00 am - 7:28 pmONT-FSD
11h 28m1 stop
Frontier Logo
8:23 pm - 11:56 pmFSD-ONT
5h 33m1 stop
$237Frontier
Find Deal
Thu, Jan 8 - Sun, Jan 11
Delta Logo
12:12 pm - 11:14 pmONT-FSD
9h 02m1 stop
Delta Logo
5:14 am - 5:07 pmFSD-ONT
13h 53m2 stops
$274Delta
Find Deal
Fri, Dec 12 - Sat, Dec 13
Delta Logo
6:00 am - 7:40 pmONT-FSD
11h 40m2 stops
Delta Logo
5:14 am - 5:07 pmFSD-ONT
13h 53m2 stops
$279Delta
Find Deal
Fri, Dec 12 - Sat, Dec 13
United Airlines Logo
1:34 pm - 8:21 pmONT-FSD
4h 47m1 stop
United Airlines Logo
5:21 pm - 8:42 pmFSD-ONT
5h 21m1 stop
$294United Airlines
Find Deal
Fri, Dec 12 - Sat, Dec 13
Multiple Airlines Logo
5:18 pm - 12:20 pmONT-FSD
17h 02m1 stop
Multiple Airlines Logo
3:50 pm - 9:17 pmFSD-ONT
7h 27m1 stop
$305Multiple Airlines
Find Deal
Fri, Dec 5 - Tue, Dec 9

Delta flights from Ontario to Sioux Falls

Our best Delta deals on Ontario to Sioux Falls flight tickets
Delta
Dec 12
ONT12:12 pmOntario
9h 02m
1 stop
FSD11:14 pmSioux Falls Joe Foss Field
Dec 13
FSD5:14 amSioux Falls Joe Foss Field
13h 53m
2 stops
ONT5:07 pmOntario
$274
Find similar
Delta
Dec 12
ONT6:00 amOntario
11h 40m
2 stops
FSD7:40 pmSioux Falls Joe Foss Field
Dec 13
FSD5:14 amSioux Falls Joe Foss Field
13h 53m
2 stops
ONT5:07 pmOntario
$279
Find similar
Delta
Nov 22
ONT12:16 pmOntario
8h 53m
1 stop
FSD11:09 pmSioux Falls Joe Foss Field
Nov 24
FSD5:05 amSioux Falls Joe Foss Field
8h 01m
1 stop
ONT11:06 amOntario
$327
Find similar

United Airlines flights from Ontario to Sioux Falls

Our best United Airlines deals on Ontario to Sioux Falls flight tickets
United Airlines
Dec 12
ONT1:34 pmOntario
4h 47m
1 stop
FSD8:21 pmSioux Falls Joe Foss Field
Dec 13
FSD5:21 pmSioux Falls Joe Foss Field
5h 21m
1 stop
ONT8:42 pmOntario
$294
Find similar
United Airlines
Mar 26
ONT1:50 pmOntario
7h 54m
1 stop
FSD11:44 pmSioux Falls Joe Foss Field
Mar 31
FSD5:50 amSioux Falls Joe Foss Field
8h 30m
2 stops
ONT12:20 pmOntario
$354
Find similar
United Airlines
Dec 9
ONT1:34 pmOntario
4h 47m
1 stop
FSD8:21 pmSioux Falls Joe Foss Field
Dec 13
FSD9:00 amSioux Falls Joe Foss Field
5h 32m
1 stop
ONT12:32 pmOntario
$384
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 November 20, 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

Thu 1/15

6:10 am-3:01 pm

1 stop6h 51m

Sioux Falls Joe Foss Field

Sun 1/18

3:56 pm-11:59 pm

1 stop10h 03m

$145

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Thu 1/8

6:00 am-7:28 pm

1 stop11h 28m

Sioux Falls Joe Foss Field

Sun 1/11

8:23 pm-11:56 pm

1 stop5h 33m

$181

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Thu 1/8

6:00 am-7:28 pm

1 stop11h 28m

Sioux Falls Joe Foss Field

Sun 1/11

8:23 pm-11:56 pm

1 stop5h 33m

$185

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 12/3

6:15 am-10:50 am

1 stop26h 35m

Sioux Falls Joe Foss Field

Sun 12/7

2:26 pm-11:31 pm

2 stops35h 05m

$222

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 12/3

6:15 am-10:50 am

1 stop26h 35m

Sioux Falls Joe Foss Field

Sun 12/7

2:26 pm-2:25 pm

1 stop25h 59m

$234

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Thu 1/8

6:00 am-7:28 pm

1 stop11h 28m

Sioux Falls Joe Foss Field

Sun 1/11

8:23 pm-11:56 pm

1 stop5h 33m

$237

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 12/12

12:12 pm-11:14 pm

1 stop9h 02m

Sioux Falls Joe Foss Field

Sat 12/13

5:14 am-5:07 pm

2 stops13h 53m

$274

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 12/12

6:00 am-7:40 pm

2 stops11h 40m

Sioux Falls Joe Foss Field

Sat 12/13

5:14 am-5:07 pm

2 stops13h 53m

$279

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 12/12

1:34 pm-8:21 pm

1 stop4h 47m

Sioux Falls Joe Foss Field

Sat 12/13

5:21 pm-8:42 pm

1 stop5h 21m

$294

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 12/5

5:18 pm-12:20 pm

1 stop17h 02m

Sioux Falls Joe Foss Field

Tue 12/9

3:50 pm-9:17 pm

1 stop7h 27m

$305

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 typical price of a round-trip flight between Ontario and Sioux Falls?

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 47m.

  • 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
3,104 reviews
Search Frontier flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $293Free CancellationRating
7.4
9,027 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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