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Cheap flights from Ontario to Sioux Falls from $93

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 8/23. 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

Frontier Logo
6:53 am - 6:33 pmONT-FSD
9h 40m1 stop
Frontier Logo
2:23 pm - 11:50 pmFSD-ONT
11h 27m1 stop
$211Frontier
Find Deal
Fri, Oct 17 - Sun, Oct 19
Frontier Logo
8:59 pm - 2:09 pmONT-FSD
15h 10m1 stop
Frontier Logo
2:54 pm - 7:59 pmFSD-ONT
7h 05m1 stop
$222Frontier
Find Deal
Thu, Sep 4 - Sun, Sep 7
Frontier Logo
8:59 pm - 2:09 pmONT-FSD
15h 10m1 stop
Frontier Logo
2:54 pm - 7:53 amFSD-ONT
18h 59m1 stop
$228Frontier
Find Deal
Sat, Sep 6 - Sun, Sep 14
American Airlines Logo
1:00 pm - 8:30 pmONT-FSD
5h 30m1 stop
American Airlines Logo
1:27 pm - 6:52 pmFSD-ONT
7h 25m1 stop
$269American Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
Frontier Logo
8:59 pm - 2:09 pmONT-FSD
15h 10m1 stop
Frontier Logo
2:54 pm - 7:59 pmFSD-ONT
7h 05m1 stop
$318Frontier
Find Deal
Sun, Sep 7 - Sun, Sep 14
American Airlines Logo
1:00 pm - 8:30 pmONT-FSD
5h 30m1 stop
American Airlines Logo
6:49 am - 3:24 pmFSD-ONT
10h 35m2 stops
$337American Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
Delta Logo
5:40 pm - 10:07 amONT-FSD
14h 27m2 stops
Delta Logo
4:08 pm - 10:41 pmFSD-ONT
8h 33m2 stops
$346Delta
Find Deal
Mon, Sep 22 - Sat, Sep 27
United Airlines Logo
7:02 am - 5:27 pmONT-FSD
8h 25m1 stop
United Airlines Logo
8:00 am - 5:23 pmFSD-ONT
11h 23m2 stops
$350United Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
United Airlines Logo
5:10 am - 12:45 pmONT-FSD
5h 35m1 stop
United Airlines Logo
5:06 pm - 8:43 pmFSD-ONT
5h 37m1 stop
$399United Airlines
Find Deal
Tue, Sep 2 - Sat, Sep 6
Delta Logo
1:15 pm - 11:46 pmONT-FSD
8h 31m2 stops
Delta Logo
2:30 pm - 10:40 pmFSD-ONT
10h 10m2 stops
$629Delta
Find Deal
Mon, Sep 1 - Fri, Sep 5

Frontier flights from Ontario to Sioux Falls

Our best Frontier deals on Ontario to Sioux Falls flight tickets
Frontier
Oct 17
ONT6:53 amOntario
9h 40m
1 stop
FSD6:33 pmSioux Falls Joe Foss Field
Oct 19
FSD2:23 pmSioux Falls Joe Foss Field
11h 27m
1 stop
ONT11:50 pmOntario
$211
Find similar
Frontier
Sep 4
ONT8:59 pmOntario
15h 10m
1 stop
FSD2:09 pmSioux Falls Joe Foss Field
Sep 7
FSD2:54 pmSioux Falls Joe Foss Field
7h 05m
1 stop
ONT7:59 pmOntario
$222
Find similar
Frontier
Sep 6
ONT8:59 pmOntario
15h 10m
1 stop
FSD2:09 pmSioux Falls Joe Foss Field
Sep 14
FSD2:54 pmSioux Falls Joe Foss Field
18h 59m
1 stop
ONT7:53 amOntario
$228
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 15
ONT1:00 pmOntario
5h 30m
1 stop
FSD8:30 pmSioux Falls Joe Foss Field
Oct 18
FSD1:27 pmSioux Falls Joe Foss Field
7h 25m
1 stop
ONT6:52 pmOntario
$269
Find similar
American Airlines
Oct 15
ONT1:00 pmOntario
5h 30m
1 stop
FSD8:30 pmSioux Falls Joe Foss Field
Oct 18
FSD6:49 amSioux Falls Joe Foss Field
10h 35m
2 stops
ONT3:24 pmOntario
$337
Find similar
American Airlines
Sep 22
ONT1:10 pmOntario
23h 05m
1 stop
FSD2:15 pmSioux Falls Joe Foss Field
Sep 27
FSD7:00 amSioux Falls Joe Foss Field
8h 54m
1 stop
ONT1:54 pmOntario
$358
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 August 18, 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

Fri 10/17

6:53 am-6:33 pm

1 stop9h 40m

Sioux Falls Joe Foss Field

Sun 10/19

2:23 pm-11:50 pm

1 stop11h 27m

$211

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Thu 9/4

8:59 pm-2:09 pm

1 stop15h 10m

Sioux Falls Joe Foss Field

Sun 9/7

2:54 pm-7:59 pm

1 stop7h 05m

$222

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Sat 9/6

8:59 pm-2:09 pm

1 stop15h 10m

Sioux Falls Joe Foss Field

Sun 9/14

2:54 pm-7:53 am

1 stop18h 59m

$228

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 10/15

1:00 pm-8:30 pm

1 stop5h 30m

Sioux Falls Joe Foss Field

Sat 10/18

1:27 pm-6:52 pm

1 stop7h 25m

$269

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Sun 9/7

8:59 pm-2:09 pm

1 stop15h 10m

Sioux Falls Joe Foss Field

Sun 9/14

2:54 pm-7:59 pm

1 stop7h 05m

$318

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 10/15

1:00 pm-8:30 pm

1 stop5h 30m

Sioux Falls Joe Foss Field

Sat 10/18

6:49 am-3:24 pm

2 stops10h 35m

$337

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Mon 9/22

5:40 pm-10:07 am

2 stops14h 27m

Sioux Falls Joe Foss Field

Sat 9/27

4:08 pm-10:41 pm

2 stops8h 33m

$346

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 10/17

7:02 am-5:27 pm

1 stop8h 25m

Sioux Falls Joe Foss Field

Sun 10/19

8:00 am-5:23 pm

2 stops11h 23m

$350

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Tue 9/2

5:10 am-12:45 pm

1 stop5h 35m

Sioux Falls Joe Foss Field

Sat 9/6

5:06 pm-8:43 pm

1 stop5h 37m

$399

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Mon 9/1

1:15 pm-11:46 pm

2 stops8h 31m

Sioux Falls Joe Foss Field

Fri 9/5

2:30 pm-10:40 pm

2 stops10h 10m

$629

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 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

Best Price Found

$93

Fastest flight time

5h 10m

Direct flights

None

Airports in Sioux Falls

1 airport
The best one-way flight to Sioux Falls from Ontario in the past 72 hours is $93. The best round-trip flight deal from Ontario to Sioux Falls found on momondo in the last 72 hours is $211.
The fastest flight from Ontario to Sioux Falls takes 5h 10m
There are no direct flights from Ontario to Sioux Falls. Popular non-direct route for this connection is Ontario Airport - Sioux Falls Joe Foss Field Airport.
There is 1 airport near Sioux Falls: Sioux Falls Joe Foss Field (FSD)
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 5h 10m.

  • 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 $118Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
8,925 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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