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Cheap flights from South Dakota to Los Angeles from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to Los Angeles departing on 7/31. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from South Dakota to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:08 pm - 11:50 pm
FSD
-
ONT
5h 42m
1 stop
Frontier Logo
6:00 am - 7:23 pm
ONT
-
FSD
11h 23m
1 stop
$245Frontier
Mon, Jul 20 - Wed, Jul 29
Frontier Logo
7:31 pm - 11:55 pm
FSD
-
ONT
6h 24m
1 stop
Frontier Logo
6:00 am - 6:36 pm
ONT
-
FSD
10h 36m
1 stop
$251Frontier
Sat, Oct 10 - Wed, Oct 14
Frontier Logo
8:08 pm - 10:04 am
FSD
-
ONT
15h 56m
1 stop
Frontier Logo
6:00 am - 7:23 pm
ONT
-
FSD
11h 23m
1 stop
$252Frontier
Mon, Jul 27 - Wed, Aug 5
Frontier Logo
8:08 pm - 10:04 am
FSD
-
ONT
15h 56m
1 stop
Frontier Logo
10:49 am - 7:23 pm
ONT
-
FSD
6h 34m
1 stop
$257Frontier
Mon, Jul 27 - Wed, Aug 5
Frontier Logo
8:08 pm - 11:50 pm
FSD
-
ONT
5h 42m
1 stop
Frontier Logo
6:00 am - 7:23 pm
ONT
-
FSD
11h 23m
1 stop
$260Frontier
Fri, Aug 14 - Mon, Aug 17
American Airlines Logo
11:44 am - 6:18 pm
RAP
-
ONT
7h 34m
1 stop
American Airlines Logo
6:11 am - 12:10 pm
ONT
-
RAP
4h 59m
1 stop
$344American Airlines
Tue, Jul 14 - Tue, Jul 28
United Airlines Logo
7:00 am - 3:29 pm
RAP
-
ONT
9h 29m
2 stops
United Airlines Logo
5:00 am - 12:29 pm
ONT
-
RAP
6h 29m
1 stop
$349United Airlines
Tue, Jul 14 - Tue, Jul 28
American Airlines Logo
11:44 am - 6:18 pm
RAP
-
ONT
7h 34m
1 stop
American Airlines Logo
6:11 am - 12:10 pm
ONT
-
RAP
4h 59m
1 stop
$399American Airlines
Fri, Jul 10 - Fri, Jul 24
United Airlines Logo
8:55 am - 12:50 pm
RAP
-
ONT
4h 55m
1 stop
United Airlines Logo
5:00 am - 11:55 am
ONT
-
RAP
5h 55m
1 stop
$409United Airlines
Thu, Aug 27 - Sun, Aug 30
Delta Logo
2:56 pm - 11:48 pm
ABR
-
ONT
10h 52m
2 stops
Delta Logo
9:40 am - 9:27 pm
ONT
-
ABR
9h 47m
2 stops
$2,099Delta
Fri, Jul 17 - Sun, Jul 19

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United Airlines flights from South Dakota to Ontario

Our best United Airlines deals on South Dakota to Ontario flight tickets
United Airlines
Jul 14
RAP7:00 amRapid City
9h 29m
2 stops
ONT3:29 pmOntario
Jul 28
ONT5:00 amOntario
6h 29m
1 stop
RAP12:29 pmRapid City
$349
United Airlines
Aug 27
RAP8:55 amRapid City
4h 55m
1 stop
ONT12:50 pmOntario
Aug 30
ONT5:00 amOntario
5h 55m
1 stop
RAP11:55 amRapid City
$409
United Airlines
Sep 23
FSD11:25 amSioux Falls Joe Foss Field
10h 36m
2 stops
ONT8:01 pmOntario
Sep 26
ONT1:52 pmOntario
7h 52m
2 stops
FSD11:44 pmSioux Falls Joe Foss Field
$411

Frontier flights from South Dakota to Ontario

Our best Frontier deals on South Dakota to Ontario flight tickets
Frontier
Jul 20
FSD8:08 pmSioux Falls Joe Foss Field
5h 42m
1 stop
ONT11:50 pmOntario
Jul 29
ONT6:00 amOntario
11h 23m
1 stop
FSD7:23 pmSioux Falls Joe Foss Field
$245
Frontier
Oct 10
FSD7:31 pmSioux Falls Joe Foss Field
6h 24m
1 stop
ONT11:55 pmOntario
Oct 14
ONT6:00 amOntario
10h 36m
1 stop
FSD6:36 pmSioux Falls Joe Foss Field
$251
Frontier
Jul 27
FSD8:08 pmSioux Falls Joe Foss Field
15h 56m
1 stop
ONT10:04 amOntario
Aug 5
ONT6:00 amOntario
11h 23m
1 stop
FSD7:23 pmSioux Falls Joe Foss Field
$252

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota to Ontario 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 June 30, 2026.
Use the filters below to find and compare flights from South Dakota to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 7/20

8:08 pm-11:50 pm

1 stop5h 42m

Ontario

Wed 7/29

6:00 am-7:23 pm

1 stop11h 23m

$245

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Sat 10/10

7:31 pm-11:55 pm

1 stop6h 24m

Ontario

Wed 10/14

6:00 am-6:36 pm

1 stop10h 36m

$251

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 7/27

8:08 pm-10:04 am

1 stop15h 56m

Ontario

Wed 8/5

6:00 am-7:23 pm

1 stop11h 23m

$252

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Mon 7/27

8:08 pm-10:04 am

1 stop15h 56m

Ontario

Wed 8/5

10:49 am-7:23 pm

1 stop6h 34m

$257

Sioux FallsOntario

FSD - ONT

FSDONT

Sioux Falls Joe Foss Field

Fri 8/14

8:08 pm-11:50 pm

1 stop5h 42m

Ontario

Mon 8/17

6:00 am-7:23 pm

1 stop11h 23m

$260

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Tue 7/14

11:44 am-6:18 pm

1 stop7h 34m

Ontario

Tue 7/28

6:11 am-12:10 pm

1 stop4h 59m

$344

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Tue 7/14

7:00 am-3:29 pm

2 stops9h 29m

Ontario

Tue 7/28

5:00 am-12:29 pm

1 stop6h 29m

$349

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Fri 7/10

11:44 am-6:18 pm

1 stop7h 34m

Ontario

Fri 7/24

6:11 am-12:10 pm

1 stop4h 59m

$399
Quickest round-trip

Rapid CityOntario

RAP - ONT

RAPONT

Rapid City

Thu 8/27

8:55 am-12:50 pm

1 stop4h 55m

Ontario

Sun 8/30

5:00 am-11:55 am

1 stop5h 55m

$409

AberdeenOntario

ABR - ONT

ABRONT

Aberdeen

Fri 7/17

2:56 pm-11:48 pm

2 stops10h 52m

Ontario

Sun 7/19

9:40 am-9:27 pm

2 stops9h 47m

$2,099

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from South Dakota 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

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from South Dakota 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 South Dakota during October instead. Flights to Ontario in October, while not as cheap as those in September, still average around $189.

Can stopping save me money on South Dakota to Ontario flights?

You could potentially save up to 17% on your flight if you consider stops on a South Dakota to Ontario flight.

Cheap South Dakota to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Dakota to Ontario

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from South Dakota to Ontario takes 4h 55m
There are no direct flights from South Dakota to Ontario. There are no popular flight routes from South Dakota to Ontario.
Search flight deals

Frequently asked questions about flying from South Dakota to Ontario

  • When did momondo last update prices for flights from South Dakota to Ontario Airport?

    Prices for flights from South Dakota to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from South Dakota to Ontario Airport?

  • How old do you have to be to fly from South Dakota 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 South Dakota to Ontario Airport.

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

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from South Dakota to Ontario

Compare and see reviews for airlines that fly from South Dakota to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,901 reviews
Search United Airlines flights
American AirlinesPriceFrom $373Free CancellationRating
7.1
11,762 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from South Dakota to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from South Dakota to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from South Dakota to Ontario with flexible booking policies on momondo?

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

How can momondo help me find flights from South Dakota to Ontario?

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

Of course. momondo tracks the price of South Dakota to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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