What is the cheapest airline that flies from Sioux Falls Joe Foss Field to Ontario?

Frontier, United Airlines, and Delta are the most popular carriers operating from Sioux Falls Joe Foss Field to Ontario

What airlines fly to Ontario?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Ontario from Sioux Falls according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Ontario Airport?

Prices for flights from Sioux Falls Joe Foss Field Airport to Ontario Airport refresh daily.

How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Ontario Airport?

As of August 2026, there are 2 operators available to choose from for flights from Sioux Falls Joe Foss Field Airport to Ontario Airport.

How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$120 Cheap Flights from Sioux Falls to Ontario in 2026

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8:52 pm - 10:30 amFSD Sioux Falls Joe Foss Field-ONT Ontario

15h 38m1 stop Denver Intl

6:15 am - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

11h 52m1 stop Denver Intl

$235Frontier

Fri, Oct 2 - Mon, Oct 5

8:52 pm - 11:47 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

4h 55m1 stop Denver Intl

11:45 am - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

6h 22m1 stop Denver Intl

$240Frontier

Fri, Sep 25 - Mon, Sep 28

8:52 pm - 11:47 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

4h 55m1 stop Denver Intl

11:45 am - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

6h 22m1 stop Denver Intl

$240Frontier

Fri, Sep 18 - Mon, Sep 21

8:52 pm - 11:47 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

4h 55m1 stop Denver Intl

11:45 am - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

6h 22m1 stop Denver Intl

$240Frontier

Mon, Sep 21 - Mon, Sep 28

5:54 pm - 10:40 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

6h 46m1 stop Dallas/Fort Worth

4:29 pm - 11:56 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 27m1 stop Phoenix Sky Harbor Intl

$321American Airlines

Tue, Oct 13 - Wed, Oct 21

5:59 pm - 10:37 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

6h 38m1 stop Dallas/Fort Worth

10:25 am - 8:45 pmONT Ontario-FSD Sioux Falls Joe Foss Field

8h 20m1 stop Dallas/Fort Worth

$321American Airlines

Wed, Sep 23 - Sat, Sep 26

5:59 pm - 10:37 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

6h 38m1 stop Dallas/Fort Worth

6:15 am - 1:39 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 24m1 stop Phoenix Sky Harbor Intl

$321American Airlines

Wed, Sep 23 - Tue, Sep 29

6:00 am - 12:12 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

8h 12m2 stops Denver Intl San Francisco

5:00 am - 12:39 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 39m1 stop Denver Intl

$344United Airlines

Wed, Sep 16 - Tue, Sep 22

6:00 am - 12:12 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

8h 12m2 stops Denver Intl San Francisco

9:01 am - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

9h 06m2 stops San Francisco Denver Intl

$349United Airlines

Wed, Sep 16 - Tue, Sep 22

6:00 am - 12:12 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

8h 12m2 stops Denver Intl San Francisco

5:00 am - 12:49 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 49m1 stop Denver Intl

$350United Airlines

Wed, Sep 23 - Tue, Sep 29

Cheap last minute flights

Enter your travel dates to find the best prices.

8:56 pm - 11:50 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

4h 54m1 stop Denver Intl

6:00 am - 8:01 pmONT Ontario-FSD Sioux Falls Joe Foss Field

12h 01m1 stop Denver Intl

$360Frontier

Fri, Aug 28 - Mon, Aug 31

8:56 pm - 11:50 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

4h 54m1 stop Denver Intl

10:49 am - 8:01 pmONT Ontario-FSD Sioux Falls Joe Foss Field

7h 12m1 stop Denver Intl

$360Frontier

Fri, Aug 28 - Mon, Aug 31

8:56 pm - 11:50 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

4h 54m1 stop Denver Intl

6:00 am - 8:01 pmONT Ontario-FSD Sioux Falls Joe Foss Field

12h 01m1 stop Denver Intl

$380Frontier

Fri, Aug 28 - Mon, Aug 31

3:06 pm - 10:35 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

9h 29m1 stop Chicago O'Hare Intl

1:18 pm - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

4h 49m1 stop Denver Intl

$572United Airlines

Sat, Aug 29 - Sun, Aug 30

1:33 pm - 8:01 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

8h 28m2 stops Denver Intl San Francisco

1:18 pm - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

4h 49m1 stop Denver Intl

$577United Airlines

Sat, Aug 29 - Sun, Aug 30

9:35 am - 12:50 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

5h 15m1 stop Denver Intl

1:18 pm - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

4h 49m1 stop Denver Intl

$599United Airlines

Fri, Aug 28 - Sun, Aug 30

6:00 am - 12:12 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

8h 12m2 stops Denver Intl San Francisco

1:18 pm - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

4h 49m1 stop Denver Intl

$604United Airlines

Fri, Aug 28 - Sun, Aug 30

9:35 am - 6:11 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

10h 36m2 stops Denver Intl San Francisco

6:08 am - 8:07 pmONT Ontario-FSD Sioux Falls Joe Foss Field

11h 59m2 stops San Francisco Denver Intl

$609United Airlines

Fri, Aug 28 - Sun, Aug 30

5:05 pm - 8:53 pmFSD Sioux Falls Joe Foss Field-ONT Ontario

5h 48m1 stop Denver Intl

5:00 am - 12:39 pmONT Ontario-FSD Sioux Falls Joe Foss Field

5h 39m1 stop Denver Intl

$851United Airlines

Mon, Aug 31 - Thu, Sep 3

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United Airlines flights from Sioux Falls to Ontario

Our best United Airlines deals on Sioux Falls to Ontario flight tickets

United Airlines

Sep 16

FSD6:00 amSioux Falls Joe Foss Field

8h 12m

2 stops

ONT12:12 pmOntario

Sep 22

ONT5:00 amOntario

5h 39m

1 stop

FSD12:39 pmSioux Falls Joe Foss Field

$344

United Airlines

Sep 16

FSD6:00 amSioux Falls Joe Foss Field

8h 12m

2 stops

ONT12:12 pmOntario

Sep 22

ONT9:01 amOntario

9h 06m

2 stops

FSD8:07 pmSioux Falls Joe Foss Field

$349

United Airlines

Sep 23

FSD6:00 amSioux Falls Joe Foss Field

8h 12m

2 stops

ONT12:12 pmOntario

Sep 29

ONT5:00 amOntario

5h 49m

1 stop

FSD12:49 pmSioux Falls Joe Foss Field

$350

American Airlines flights from Sioux Falls to Ontario

Our best American Airlines deals on Sioux Falls to Ontario flight tickets

American Airlines

Sep 23

FSD5:59 pmSioux Falls Joe Foss Field

6h 38m

1 stop

ONT10:37 pmOntario

Sep 26

ONT10:25 amOntario

8h 20m

1 stop

FSD8:45 pmSioux Falls Joe Foss Field

$321

American Airlines

Oct 28

FSD8:05 amSioux Falls Joe Foss Field

6h 09m

1 stop

ONT12:14 pmOntario

Nov 1

ONT4:25 pmOntario

5h 24m

1 stop

FSD11:49 pmSioux Falls Joe Foss Field

$330

American Airlines

Sep 16

FSD5:59 pmSioux Falls Joe Foss Field

6h 38m

1 stop

ONT10:37 pmOntario

Sep 22

ONT10:25 amOntario

7h 17m

1 stop

FSD7:42 pmSioux Falls Joe Foss Field

$339

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Fri 10/2

8:52 pm-10:30 am

1 stop15h 38m

Ontario

Mon 10/5

6:15 am-8:07 pm

1 stop11h 52m

$235

Quickest round-trip

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Fri 9/25

8:52 pm-11:47 pm

1 stop4h 55m

Ontario

Mon 9/28

11:45 am-8:07 pm

1 stop6h 22m

$240

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Fri 9/18

8:52 pm-11:47 pm

1 stop4h 55m

Ontario

Mon 9/21

11:45 am-8:07 pm

1 stop6h 22m

$240

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Mon 9/21

8:52 pm-11:47 pm

1 stop4h 55m

Ontario

Mon 9/28

11:45 am-8:07 pm

1 stop6h 22m

$240

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Tue 10/13

5:54 pm-10:40 pm

1 stop6h 46m

Ontario

Wed 10/21

4:29 pm-11:56 pm

1 stop5h 27m

$321

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Wed 9/23

5:59 pm-10:37 pm

1 stop6h 38m

Ontario

Sat 9/26

10:25 am-8:45 pm

1 stop8h 20m

$321

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Wed 9/23

5:59 pm-10:37 pm

1 stop6h 38m

Ontario

Tue 9/29

6:15 am-1:39 pm

1 stop5h 24m

$321

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Wed 9/16

6:00 am-12:12 pm

2 stops8h 12m

Ontario

Tue 9/22

5:00 am-12:39 pm

1 stop5h 39m

$344

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Wed 9/16

6:00 am-12:12 pm

2 stops8h 12m

Ontario

Tue 9/22

9:01 am-8:07 pm

2 stops9h 06m

$349

Sioux FallsOntario

FSD Sioux Falls Joe Foss Field - ONT Ontario

FSDONT

Sioux Falls Joe Foss Field

Wed 9/23

6:00 am-12:12 pm

2 stops8h 12m

Ontario

Tue 9/29

5:00 am-12:49 pm

1 stop5h 49m

$350

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sioux Falls to Ontario

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

Prices

Airlines

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from Sioux Falls to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of September, then book flights to Ontario from Sioux Falls during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $350.

When to book flights from Sioux Falls to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux Falls to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Sioux Falls to Ontario (FSD to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Ontario

Best Price Found	$120
Fastest flight time	5h 01m
Direct flights	None

The best one-way flight to Ontario from Sioux Falls in the past 72 hours is $120. The best round-trip flight deal from Sioux Falls to Ontario found on momondo in the last 72 hours is $235.

The fastest flight from Sioux Falls to Ontario takes 5h 01m

There are no direct flights from Sioux Falls to Ontario. There are no popular flight routes from Sioux Falls to Ontario.

Search flight deals

Frequently asked questions about flying from Sioux Falls to Ontario

How far is Sioux Falls Joe Foss Field to Ontario by plane?
The straight-line distance from Sioux Falls Joe Foss Field to Ontario is 1296.8 mi. A reasonable flight in good conditions will take 5h 01m.
When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Ontario Airport?
Prices for flights from Sioux Falls Joe Foss Field Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Ontario Airport?
As of August 2026, there are 2 operators available to choose from for flights from Sioux Falls Joe Foss Field Airport to Ontario Airport.
How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Sioux Falls to Ontario?
Based on momondo bookings for flights between Sioux Falls and Ontario, the leading airline is American Airlines, making up 72% of the total bookings. Other popular airlines include United Airlines with 28%.

Best airlines flying from Sioux Falls to Ontario

Compare and see reviews for airlines that fly from Sioux Falls to Ontario with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 10,121 reviews		Search United Airlines flights
American Airlines	PriceFrom $350	Free Cancellation	Rating 7.1 11,995 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sioux Falls to Ontario. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Sioux Falls to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Sioux Falls to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from Sioux Falls to Ontario?

Once you have performed a search for Sioux Falls to Ontario 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 Sioux Falls to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Sioux Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Sioux Falls to Los Angeles from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Los Angeles departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Sioux Falls to Ontario

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How to get the cheapest flight ticket from Sioux Falls to Ontario

What is the cheapest month to fly to Ontario?

What is the cheapest airline that flies from Sioux Falls Joe Foss Field to Ontario?

What airlines fly to Ontario?

When to book flights from Sioux Falls to Ontario

Cheap Sioux Falls to Ontario (FSD to ONT) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Sioux Falls to Ontario

Best airlines flying from Sioux Falls to Ontario

Compare and see reviews for airlines that fly from Sioux Falls to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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