How long is the flight from Sioux Falls to Ontario?

Frontier, American Airlines, and United Airlines can get you from Sioux Falls to Ontario in just under 5h 30m. Your travel time can differ by up to 33m. Sioux Falls and Ontario are separated by a distance of 1295 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Sioux Falls to Ontario round-trip?

Our cheapest airline available from Sioux Falls to Ontario is United Airlines. Our recent data shows that you can find tickets from as low as $268 on this airline. An additional option worth looking into is American Airlines, starting at $370. United Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

What is the cheapest time of day to fly from FSD to ONT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sioux Falls to Ontario as you normally would.

Most accurate provider : When it comes to deals on Sioux Falls-Ontario flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Sioux Falls-Ontario flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Sioux Falls-Ontario flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Sioux Falls-Ontario flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Sioux Falls to Ontario that include hotel bookings?

Yes. In addition to deals on Sioux Falls to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Sioux Falls to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Ontario.

Can I find deals for business class flights from Sioux Falls to Ontario?

Yes. Cheapflights offers flight deals from Sioux Falls to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$187+ Flights from Sioux Falls to Ontario

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Cheap flight deals from Sioux Falls to Ontario

Cheapest flights from Sioux Falls to Ontario
Explore the most affordable flight options available from Sioux Falls to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Sat 12/275:12 pmFSD - ONT

1 stop5h 55mUnited Airlines

Sun 12/2811:59 pmONT - FSD

1 stop8h 53mUnited Airlines

Deal found 12/26

$506

Tue 12/3011:27 amFSD - ONT

2 stops11h 40mUnited Airlines

Sat 1/35:05 amONT - FSD

2 stops10h 25mUnited Airlines

Deal found 12/26

$660

Wed 12/318:11 amFSD - ONT

1 stop5h 42mAmerican Airlines

Sun 1/44:47 pmONT - FSD

1 stop4h 52mAmerican Airlines

Deal found 12/26

$741

Sat 12/275:12 pmFSD - ONT

1 stop5h 55mUnited Airlines

Sat 1/35:05 amONT - FSD

1 stop9h 26mUnited Airlines

Deal found 12/26

$747

Wed 12/3112:40 pmFSD - ONT

1 stop10h 37mMultiple Airlines

Fri 1/26:45 amONT - FSD

1 stop11h 10mMultiple Airlines

Deal found 12/25

$757

Tue 12/303:09 pmFSD - ONT

1 stop5h 19mAmerican Airlines

Sun 1/44:47 pmONT - FSD

1 stop4h 52mAmerican Airlines

Deal found 12/27

$822

Wed 12/313:08 pmFSD - ONT

1 stop9h 17mUnited Airlines

Fri 1/25:05 amONT - FSD

1 stop5h 45mUnited Airlines

Deal found 12/27

$839

Best flights from Sioux Falls to Ontario
Discover carefully curated flight deals from Sioux Falls to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Sun 1/118:26 pmFSD - ONT

1 stop5h 30mFrontier

Thu 1/156:10 amONT - FSD

1 stop6h 51mFrontier

Deal found 12/27

$217

Wed 1/288:00 amFSD - ONT

1 stop6h 03mAmerican Airlines

Mon 2/24:45 pmONT - FSD

1 stop4h 56mAmerican Airlines

Deal found 12/26

$280

Sat 1/109:00 amFSD - ONT

1 stop5h 47mUnited Airlines

Wed 1/215:05 amONT - FSD

1 stop5h 53mUnited Airlines

Deal found 12/27

$314

Wed 1/214:17 pmFSD - ONT

2 stops9h 41mDelta

Mon 1/267:30 amONT - FSD

2 stops30h 07mDelta

Deal found 12/27

$358

Thu 1/87:45 pmFSD - ONT

1 stop6h 11mFrontier

Sun 1/116:00 amONT - FSD

1 stop11h 41mFrontier

Deal found 12/26

$276

Mon 2/99:00 amFSD - ONT

1 stop5h 47mUnited Airlines

Tue 2/241:45 pmONT - FSD

1 stop4h 54mUnited Airlines

Deal found 12/27

$360

Fri 2/131:41 pmFSD - ONT

1 stop12h 18mFrontier

Mon 2/166:10 amONT - FSD

1 stop5h 47mFrontier

Deal found 12/27

$352

Tue 1/209:00 amFSD - ONT

1 stop5h 47mUnited Airlines

Sat 1/241:24 pmONT - FSD

1 stop5h 00mUnited Airlines

Deal found 12/27

$360

Sat 1/245:18 pmFSD - ONT

1 stop5h 40mUnited Airlines

Tue 1/271:24 pmONT - FSD

1 stop5h 00mUnited Airlines

Deal found 12/27

$360

Last-minute flights from Sioux Falls to Ontario
Discover last-minute flight deals from Sioux Falls to Ontario. Data last updated December 28, 2025 and is based on user searches.

Thu 1/87:45 pmFSD - ONT

1 stop6h 11mFrontier

Sun 1/116:00 amONT - FSD

1 stop11h 41mFrontier

Deal found 12/26

$276

Sat 1/109:00 amFSD - ONT

1 stop5h 47mUnited Airlines

Wed 1/215:05 amONT - FSD

1 stop5h 53mUnited Airlines

Deal found 12/27

$314

Sat 1/102:25 pmFSD - ONT

1 stop5h 55mAmerican Airlines

Wed 1/146:22 amONT - FSD

1 stop5h 26mAmerican Airlines

Deal found 12/26

$339

Sun 1/118:26 pmFSD - ONT

1 stop5h 30mFrontier

Thu 1/156:10 amONT - FSD

1 stop6h 51mFrontier

Deal found 12/27

$217

Tue 1/205:11 amFSD - ONT

1 stop8h 20mDelta

Tue 1/2712:41 pmONT - FSD

1 stop8h 29mDelta

Deal found 12/27

$327

Tue 1/205:11 amFSD - ONT

1 stop8h 20mDelta

Wed 1/287:30 amONT - FSD

2 stops10h 23mDelta

Deal found 12/27

$332

Wed 1/214:17 pmFSD - ONT

2 stops9h 41mDelta

Tue 1/2712:41 pmONT - FSD

1 stop8h 29mDelta

Deal found 12/27

$285

Wed 1/282:25 pmFSD - ONT

1 stop5h 55mAmerican Airlines

Mon 2/24:45 pmONT - FSD

1 stop4h 56mAmerican Airlines

Deal found 12/27

$280

One-way flights from Sioux Falls to Ontario
Search for one-way flight options from Sioux Falls to Ontario. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Thu 1/2911:43 amFSD - ONT

1 stop10h 10mMultiple Airlines

Deal found 12/26

$187

Fri 2/271:59 pmFSD - ONT

1 stop12h 00mFrontier

Deal found 12/25

$258

Sat 1/107:20 pmFSD - ONT

3 stops38h 16mMultiple Airlines

Deal found 12/27

$301

Tue 5/55:10 amFSD - ONT

1 stop8h 19mDelta

Deal found 12/26

$305

Sat 1/105:11 amFSD - ONT

1 stop8h 20mDelta

Deal found 12/27

$352

Sat 1/107:30 amFSD - ONT

2 stops12h 21mUnited Airlines

Deal found 12/27

$357

Fri 2/2711:21 amFSD - ONT

2 stops11h 29mUnited Airlines

Deal found 12/25

$444

Sat 1/319:00 amFSD - ONT

1 stop13h 58mUnited Airlines

Deal found 12/26

$510

Find flight deals from Sioux Falls to Ontario

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$184 (Frontier)
Popular in	December
Cheapest in	February
Average price	$623

Provider with most accurate pricing for Sioux Falls Joe Foss Field-Ontario flight deals.

Search Deals

Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Ontario flights.

Search Deals

From Sioux Falls Joe Foss Field to Ontario

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($91 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Sun 1/11

8:26 pm-11:56 pm

1 stop5h 30m

Ontario

Thu 1/15

6:10 am-3:01 pm

1 stop6h 51m

$217

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Thu 1/8

7:45 pm-11:56 pm

1 stop6h 11m

Ontario

Sun 1/11

6:00 am-7:41 pm

1 stop11h 41m

$276

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Wed 1/28

8:00 am-12:03 pm

1 stop6h 03m

Ontario

Mon 2/2

4:45 pm-11:41 pm

1 stop4h 56m

$280

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Sat 1/10

9:00 am-12:47 pm

1 stop5h 47m

Ontario

Wed 1/21

5:05 am-12:58 pm

1 stop5h 53m

$314

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 2/13

1:41 pm-11:59 pm

1 stop12h 18m

Ontario

Mon 2/16

6:10 am-1:57 pm

1 stop5h 47m

$352

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Wed 1/21

4:17 pm-11:58 pm

2 stops9h 41m

Ontario

Mon 1/26

7:30 am-3:37 pm

2 stops30h 07m

$358

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 2/9

9:00 am-12:47 pm

1 stop5h 47m

Ontario

Tue 2/24

1:45 pm-8:39 pm

1 stop4h 54m

$360

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Tue 1/20

9:00 am-12:47 pm

1 stop5h 47m

Ontario

Sat 1/24

1:24 pm-8:24 pm

1 stop5h 00m

$360

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Sat 1/24

5:18 pm-8:58 pm

1 stop5h 40m

Ontario

Tue 1/27

1:24 pm-8:24 pm

1 stop5h 00m

$360

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Thu 1/29

11:43 am-7:53 pm

1 stop10h 10m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 16 results

Compare providers for flights from Sioux Falls to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Ontario in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Sioux Falls-Ontario flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Sioux Falls-Ontario flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Sioux Falls-Ontario flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Sioux Falls-Ontario flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Sioux Falls with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Ontario

What is the cheapest month to book a flight from Sioux Falls to Ontario?

Currently, July is the cheapest month in which you can book a flight from Sioux Falls to Ontario (average of $93). Flying from Sioux Falls to Ontario in December is currently the most expensive (average of $260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ontario

Peruse reviews from past customers who have flown with United Airlines and American Airlines from Sioux Falls to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,113 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

United Airlines

7.4

Good

9,113 reviews

United Airlines

7.4

Good

9,113 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

American Airlines

7.2

Good

11,073 reviews

United Airlines

7.4

Good

9,113 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

How long is the flight from Sioux Falls to Ontario?
Frontier, American Airlines, and United Airlines can get you from Sioux Falls to Ontario in just under 5h 30m. Your travel time can differ by up to 33m. Sioux Falls and Ontario are separated by a distance of 1295 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Sioux Falls to Ontario round-trip?
Our cheapest airline available from Sioux Falls to Ontario is United Airlines. Our recent data shows that you can find tickets from as low as $268 on this airline. An additional option worth looking into is American Airlines, starting at $370. United Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Sioux Falls to Ontario that include hotel bookings?
Yes. In addition to deals on Sioux Falls to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux Falls to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Ontario.
Can I find deals for business class flights from Sioux Falls to Ontario?
Yes. Cheapflights offers flight deals from Sioux Falls to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sioux Falls to Ontario?
Currently, July is the cheapest month in which you can book a flight from Sioux Falls to Ontario (average of $93). Flying from Sioux Falls to Ontario in December is currently the most expensive (average of $260). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to Ontario

Top 2 airlines flying from Sioux Falls to Ontario

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$268	Average$407	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$370	Average$468	FlexibilityNo cancel fee	On-time71%

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$187+ Cheap flights from Sioux Falls to Ontario (FSD - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to Ontario with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux Falls to Ontario

Cheapest flights from Sioux Falls to OntarioExplore the most affordable flight options available from Sioux Falls to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Explore the most affordable flight options available from Sioux Falls to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Find flight deals from Sioux Falls to Ontario

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Ontario that are best for you.

Compare providers for flights from Sioux Falls to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Ontario in December.

Best time to book a flight from Sioux Falls to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Sioux Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sioux Falls to Ontario

What is the cheapest month to book a flight from Sioux Falls to Ontario?

Reviews of airlines servicing Ontario

Peruse reviews from past customers who have flown with United Airlines and American Airlines from Sioux Falls to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Sioux Falls to Ontario?

What are the cheapest airlines flying from Sioux Falls to Ontario round-trip?

Can I find deals for flights from Sioux Falls to Ontario that include hotel bookings?

How can I find direct flights from Sioux Falls to Ontario?

Can I find deals for business class flights from Sioux Falls to Ontario?

What is the cheapest month to book a flight from Sioux Falls to Ontario?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sioux Falls to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Sioux Falls to Ontario

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Cheapest flights from Sioux Falls to Ontario
Explore the most affordable flight options available from Sioux Falls to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.