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Cheap flights from Ontario to Sioux Falls from $131

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 6/22. 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
10:49 am - 7:23 pm
ONT
-
FSD
6h 34m
1 stop
Frontier Logo
8:08 pm - 10:04 am
FSD
-
ONT
15h 56m
1 stop
$257Frontier
Fri, Jul 24 - Wed, Jul 29
Frontier Logo
6:00 am - 7:23 pm
ONT
-
FSD
11h 23m
1 stop
Frontier Logo
8:08 pm - 11:50 pm
FSD
-
ONT
5h 42m
1 stop
$270Frontier
Wed, Jul 15 - Wed, Jul 22
Multiple Airlines Logo
3:40 pm - 2:46 pm
ONT
-
FSD
21h 06m
1 stop
Multiple Airlines Logo
11:41 am - 8:03 am
FSD
-
ONT
22h 22m
1 stop
$271Multiple Airlines
Tue, Jul 14 - Mon, Jul 20
Frontier Logo
6:00 am - 3:40 pm
ONT
-
FSD
7h 40m
1 stop
Frontier Logo
8:14 pm - 11:49 pm
FSD
-
ONT
5h 35m
1 stop
$280Frontier
Mon, Jun 8 - Fri, Jun 12
Frontier Logo
6:00 am - 7:23 pm
ONT
-
FSD
11h 23m
1 stop
Frontier Logo
8:08 pm - 11:50 pm
FSD
-
ONT
5h 42m
1 stop
$289Frontier
Mon, Jul 13 - Wed, Jul 22
Frontier Logo
6:00 am - 7:23 pm
ONT
-
FSD
11h 23m
1 stop
Frontier Logo
8:08 pm - 11:50 pm
FSD
-
ONT
5h 42m
1 stop
$290Frontier
Fri, Jul 17 - Wed, Jul 22
Frontier Logo
6:00 am - 7:19 pm
ONT
-
FSD
11h 19m
1 stop
Frontier Logo
8:14 pm - 10:05 am
FSD
-
ONT
15h 51m
1 stop
$296Frontier
Mon, Aug 24 - Wed, Aug 26
Multiple Airlines Logo
3:40 pm - 2:46 pm
ONT
-
FSD
21h 06m
1 stop
Multiple Airlines Logo
3:36 pm - 8:03 am
FSD
-
ONT
18h 27m
1 stop
$307Multiple Airlines
Tue, Jul 14 - Wed, Jul 22
Frontier Logo
6:00 am - 7:23 pm
ONT
-
FSD
11h 23m
1 stop
Frontier Logo
8:08 pm - 10:04 am
FSD
-
ONT
15h 56m
1 stop
$309Frontier
Mon, Jul 13 - Fri, Jul 17
Frontier Logo
10:49 am - 7:23 pm
ONT
-
FSD
6h 34m
1 stop
Frontier Logo
8:08 pm - 11:50 pm
FSD
-
ONT
5h 42m
1 stop
$310Frontier
Wed, Jul 15 - Mon, Jul 20

American Airlines flights from Ontario to Sioux Falls

Our best American Airlines deals on Ontario to Sioux Falls flight tickets
American Airlines
Jul 11
ONT5:34 amOntario
9h 03m
1 stop
FSD4:37 pmSioux Falls Joe Foss Field
Aug 12
FSD2:12 pmSioux Falls Joe Foss Field
6h 03m
1 stop
ONT6:15 pmOntario
$320
American Airlines
Aug 19
ONT10:29 amOntario
7h 30m
1 stop
FSD7:59 pmSioux Falls Joe Foss Field
Aug 22
FSD12:57 pmSioux Falls Joe Foss Field
8h 01m
1 stop
ONT6:58 pmOntario
$363
American Airlines
Jul 4
ONT6:11 amOntario
5h 32m
1 stop
FSD1:43 pmSioux Falls Joe Foss Field
Jul 22
FSD2:15 pmSioux Falls Joe Foss Field
6h 03m
1 stop
ONT6:18 pmOntario
$387

United Airlines flights from Ontario to Sioux Falls

Our best United Airlines deals on Ontario to Sioux Falls flight tickets
United Airlines
Aug 19
ONT1:18 pmOntario
4h 49m
1 stop
FSD8:07 pmSioux Falls Joe Foss Field
Aug 22
FSD5:05 pmSioux Falls Joe Foss Field
5h 48m
1 stop
ONT8:53 pmOntario
$338
United Airlines
Aug 19
ONT1:18 pmOntario
4h 49m
1 stop
FSD8:07 pmSioux Falls Joe Foss Field
Aug 22
FSD9:35 amSioux Falls Joe Foss Field
10h 41m
2 stops
ONT6:16 pmOntario
$343
United Airlines
Jul 11
ONT1:50 pmOntario
8h 03m
2 stops
FSD11:53 pmSioux Falls Joe Foss Field
Aug 12
FSD1:33 pmSioux Falls Joe Foss Field
8h 28m
2 stops
ONT8:01 pmOntario
$365

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 May 28, 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

Cheapest round-trip

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 7/24

10:49 am-7:23 pm

1 stop6h 34m

Sioux Falls Joe Foss Field

Wed 7/29

8:08 pm-10:04 am

1 stop15h 56m

$257

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 7/15

6:00 am-7:23 pm

1 stop11h 23m

Sioux Falls Joe Foss Field

Wed 7/22

8:08 pm-11:50 pm

1 stop5h 42m

$270

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Tue 7/14

3:40 pm-2:46 pm

1 stop21h 06m

Sioux Falls Joe Foss Field

Mon 7/20

11:41 am-8:03 am

1 stop22h 22m

$271

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Mon 6/8

6:00 am-3:40 pm

1 stop7h 40m

Sioux Falls Joe Foss Field

Fri 6/12

8:14 pm-11:49 pm

1 stop5h 35m

$280

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Mon 7/13

6:00 am-7:23 pm

1 stop11h 23m

Sioux Falls Joe Foss Field

Wed 7/22

8:08 pm-11:50 pm

1 stop5h 42m

$289

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Fri 7/17

6:00 am-7:23 pm

1 stop11h 23m

Sioux Falls Joe Foss Field

Wed 7/22

8:08 pm-11:50 pm

1 stop5h 42m

$290

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Mon 8/24

6:00 am-7:19 pm

1 stop11h 19m

Sioux Falls Joe Foss Field

Wed 8/26

8:14 pm-10:05 am

1 stop15h 51m

$296

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Tue 7/14

3:40 pm-2:46 pm

1 stop21h 06m

Sioux Falls Joe Foss Field

Wed 7/22

3:36 pm-8:03 am

1 stop18h 27m

$307

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Mon 7/13

6:00 am-7:23 pm

1 stop11h 23m

Sioux Falls Joe Foss Field

Fri 7/17

8:08 pm-10:04 am

1 stop15h 56m

$309
Quickest round-trip

OntarioSioux Falls

ONT - FSD

ONTFSD

Ontario

Wed 7/15

10:49 am-7:23 pm

1 stop6h 34m

Sioux Falls Joe Foss Field

Mon 7/20

8:08 pm-11:50 pm

1 stop5h 42m

$310

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

What is the cheapest month to fly to Sioux Falls?

The cheapest month to fly to Sioux Falls from Ontario is in October. Flight prices, which tend to average around $230, are often lower during this time because this is during the off-season. If you’re not able to fly to Sioux Falls in October, then December is your next best option. Flight prices from Ontario to Sioux Falls during December average around $319.

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 $153. 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 $172.

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 $153. 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 44m

Direct flights

None
The fastest flight from Ontario to Sioux Falls takes 4h 44m
There are no direct flights from Ontario to Sioux Falls. There are no popular flight routes from Ontario to Sioux Falls.
Search flight deals

Frequently asked questions about flying from Ontario to Sioux Falls

  • 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 44m.

  • 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 $117Free CancellationRating
5.6
2,930 reviews
Search Frontier flights
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,757 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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