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Cheap flights from South Dakota to Las Vegas from $100

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from South Dakota to Las Vegas departing on 1/5. 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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0 bags

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Find the cheapest flights from South Dakota to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
10:40 pm - 11:38 pm
FSD
-
LAS
2h 58mnonstop
Allegiant Air Logo
6:00 am - 10:53 am
LAS
-
FSD
2h 53mnonstop
$100Allegiant Air
Mon, Jan 5 - Thu, Jan 8
Allegiant Air Logo
10:40 pm - 11:38 pm
FSD
-
LAS
2h 58mnonstop
Allegiant Air Logo
3:48 pm - 8:41 pm
LAS
-
FSD
2h 53mnonstop
$108Allegiant Air
Mon, Jan 5 - Fri, Jan 9
Allegiant Air Logo
10:10 pm - 11:33 pm
RAP
-
LAS
2h 23mnonstop
Allegiant Air Logo
6:02 pm - 9:20 pm
LAS
-
RAP
2h 18mnonstop
$110Allegiant Air
Thu, Jan 8 - Thu, Jan 29
Allegiant Air Logo
10:10 pm - 11:33 pm
RAP
-
LAS
2h 23mnonstop
Allegiant Air Logo
6:02 pm - 9:20 pm
LAS
-
RAP
2h 18mnonstop
$127Allegiant Air
Thu, Jan 8 - Sun, Jan 11
Allegiant Air Logo
10:10 pm - 11:33 pm
RAP
-
LAS
2h 23mnonstop
Allegiant Air Logo
6:02 pm - 9:20 pm
LAS
-
RAP
2h 18mnonstop
$128Allegiant Air
Thu, Jan 8 - Thu, Jan 29
Allegiant Air Logo
9:31 pm - 10:32 pm
FSD
-
LAS
3h 01mnonstop
Allegiant Air Logo
3:50 pm - 8:43 pm
LAS
-
FSD
2h 53mnonstop
$133Allegiant Air
Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
8:50 pm - 11:42 pm
FSD
-
LAS
4h 52m1 stop
Multiple Airlines Logo
6:00 am - 10:53 am
LAS
-
FSD
2h 53mnonstop
$138Multiple Airlines
Mon, Jan 5 - Thu, Jan 8
Delta Logo
2:45 pm - 8:44 pm
ABR
-
LAS
7h 59m1 stop
Delta Logo
11:10 am - 9:40 pm
LAS
-
ABR
8h 30m1 stop
$328Delta
Wed, Feb 4 - Sat, Feb 7
Delta Logo
2:41 pm - 8:24 pm
ABR
-
LAS
7h 43m1 stop
Delta Logo
6:15 am - 2:04 pm
LAS
-
ABR
5h 49m1 stop
$568Delta
Fri, Mar 20 - Tue, Mar 24
Delta Logo
2:52 pm - 8:04 pm
ABR
-
LAS
7h 12m1 stop
Delta Logo
11:15 am - 9:40 pm
LAS
-
ABR
8h 25m1 stop
$782Delta
Sun, Jan 4 - Thu, Jan 8

Allegiant Air flights from South Dakota to Las Vegas

Our best Allegiant Air deals on South Dakota to Las Vegas flight tickets
Allegiant Air
Jan 5
FSD10:40 pmSioux Falls Joe Foss Field
2h 58m
LAS11:38 pmLas Vegas Harry Reid Intl
Jan 8
LAS6:00 amLas Vegas Harry Reid Intl
2h 53m
FSD10:53 amSioux Falls Joe Foss Field
$100
Find similar
Allegiant Air
Jan 5
FSD10:40 pmSioux Falls Joe Foss Field
2h 58m
LAS11:38 pmLas Vegas Harry Reid Intl
Jan 9
LAS3:48 pmLas Vegas Harry Reid Intl
2h 53m
FSD8:41 pmSioux Falls Joe Foss Field
$108
Find similar
Allegiant Air
Jan 8
RAP10:10 pmRapid City
2h 23m
LAS11:33 pmLas Vegas Harry Reid Intl
Jan 29
LAS6:02 pmLas Vegas Harry Reid Intl
2h 18m
RAP9:20 pmRapid City
$110
Find similar

Frontier flights from South Dakota to Las Vegas

Our best Frontier deals on South Dakota to Las Vegas flight tickets
Frontier
Feb 19
FSD2:16 pmSioux Falls Joe Foss Field
19h 00m
1 stop
LAS7:16 amLas Vegas Harry Reid Intl
Feb 22
LAS12:59 amLas Vegas Harry Reid Intl
10h 58m
1 stop
FSD1:57 pmSioux Falls Joe Foss Field
$182
Find similar
Frontier
Jan 8
FSD7:45 pmSioux Falls Joe Foss Field
25h 26m
1 stop
LAS7:11 pmLas Vegas Harry Reid Intl
Jan 17
LAS3:44 pmLas Vegas Harry Reid Intl
21h 17m
1 stop
FSD3:01 pmSioux Falls Joe Foss Field
$204
Find similar
Frontier
Feb 19
FSD2:16 pmSioux Falls Joe Foss Field
19h 00m
1 stop
LAS7:16 amLas Vegas Harry Reid Intl
Feb 21
LAS12:59 amLas Vegas Harry Reid Intl
10h 22m
1 stop
FSD1:21 pmSioux Falls Joe Foss Field
$217
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota to Las Vegas 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 December 20, 2025.
Use the filters below to find and compare flights from South Dakota to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsLas Vegas

FSD - LAS

FSDLAS

Sioux Falls Joe Foss Field

Mon 1/5

10:40 pm-11:38 pm

Nonstop2h 58m

Las Vegas Harry Reid Intl

Thu 1/8

6:00 am-10:53 am

Nonstop2h 53m

$100

Sioux FallsLas Vegas

FSD - LAS

FSDLAS

Sioux Falls Joe Foss Field

Mon 1/5

10:40 pm-11:38 pm

Nonstop2h 58m

Las Vegas Harry Reid Intl

Fri 1/9

3:48 pm-8:41 pm

Nonstop2h 53m

$108

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 1/8

10:10 pm-11:33 pm

Nonstop2h 23m

Las Vegas Harry Reid Intl

Thu 1/29

6:02 pm-9:20 pm

Nonstop2h 18m

$110

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 1/8

10:10 pm-11:33 pm

Nonstop2h 23m

Las Vegas Harry Reid Intl

Sun 1/11

6:02 pm-9:20 pm

Nonstop2h 18m

$127

Rapid CityLas Vegas

RAP - LAS

RAPLAS

Rapid City

Thu 1/8

10:10 pm-11:33 pm

Nonstop2h 23m

Las Vegas Harry Reid Intl

Thu 1/29

6:02 pm-9:20 pm

Nonstop2h 18m

$128

Sioux FallsLas Vegas

FSD - LAS

FSDLAS

Sioux Falls Joe Foss Field

Fri 1/9

9:31 pm-10:32 pm

Nonstop3h 01m

Las Vegas Harry Reid Intl

Fri 1/16

3:50 pm-8:43 pm

Nonstop2h 53m

$133

Sioux FallsLas Vegas

FSD - LAS

FSDLAS

Sioux Falls Joe Foss Field

Mon 1/5

8:50 pm-11:42 pm

1 stop4h 52m

Las Vegas Harry Reid Intl

Thu 1/8

6:00 am-10:53 am

Nonstop2h 53m

$138

AberdeenLas Vegas

ABR - LAS

ABRLAS

Aberdeen

Wed 2/4

2:45 pm-8:44 pm

1 stop7h 59m

Las Vegas Harry Reid Intl

Sat 2/7

11:10 am-9:40 pm

1 stop8h 30m

$328

AberdeenLas Vegas

ABR - LAS

ABRLAS

Aberdeen

Fri 3/20

2:41 pm-8:24 pm

1 stop7h 43m

Las Vegas Harry Reid Intl

Tue 3/24

6:15 am-2:04 pm

1 stop5h 49m

$568

AberdeenLas Vegas

ABR - LAS

ABRLAS

Aberdeen

Sun 1/4

2:52 pm-8:04 pm

1 stop7h 12m

Las Vegas Harry Reid Intl

Thu 1/8

11:15 am-9:40 pm

1 stop8h 25m

$782

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 Las Vegas from

How to get the cheapest flight ticket from South Dakota to Las Vegas

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 Las Vegas?

The month of November is, on average, the cheapest month to fly to Las Vegas from South Dakota, with most prices found around $196. The month of June is another great option to travel to Las Vegas, with average flight prices from South Dakota averaging around $209.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $167. Flights from South Dakota to Las Vegas on a Thursday will generally be more expensive and average around $289. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is at noon when flights can be purchased for as low as $180. Flights to Las Vegas are more costly in the morning, with an average ticket price of $249. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest South Dakota to Las Vegas Harry Reid Intl flight route?

Fly from Sioux Falls Joe Foss Field to Las Vegas Harry Reid Intl for the best South Dakota - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from South Dakota when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $260 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from South Dakota for as low as $218 on momondo.

What cabin class options are available on South Dakota to Las Vegas Harry Reid Intl flights?

There is only 1 cabin class available to choose from on South Dakota to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on South Dakota to Las Vegas flights?

No. A direct flight is the cheapest option for a flight between South Dakota to Las Vegas.

Cheap South Dakota to Las Vegas flight deals and tips

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

Best Price Found

$65

Fastest flight time

2h 19m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from South Dakota in the past 72 hours is $65. The best round-trip flight deal from South Dakota to Las Vegas found on momondo in the last 72 hours is $127.
The fastest flight from South Dakota to Las Vegas takes 2h 19m
Direct flights go from South Dakota to Las Vegas every day.
There is 1 airport in Las Vegas. From South Dakota there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

  • When did momondo last update prices for flights from South Dakota to Las Vegas Harry Reid Intl Airport?

    Prices for flights from South Dakota to Las Vegas Harry Reid Intl Airport were last updated today.

  • How many operators does momondo search for flights from South Dakota to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from South Dakota to Las Vegas Harry Reid Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Dakota to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The necessary travel and health documents for your Las Vegas Harry Reid Intl 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.

  • What is the most popular plane model from South Dakota to Las Vegas?

Best airlines flying from South Dakota to Las Vegas

Compare and see reviews for airlines that fly from South Dakota to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $107Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
FrontierPriceFrom $110Free CancellationRating
5.8
3,082 reviews
Search Frontier flights
DeltaPriceFrom $125Free CancellationRating
7.9
8,018 reviews
Search Delta flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,096 reviews
Search United Airlines flights
American AirlinesPriceFrom $250Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
Needles

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from South Dakota to Las Vegas for you.

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

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

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

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

Price alerts on flights to Las Vegas from South Dakota are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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