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$44 Find cheap flights from Illinois to Las Vegas

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Las Vegas departing on 6/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
wo 7/3
wo 7/10

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Good to know

Low season

January

High season

May

Cheapest flight

$44
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from St. Louis to Las Vegas

FAQs for booking flights from Illinois to Las Vegas

  • How does KAYAK find such low prices on flights from Illinois to Las Vegas?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Las Vegas.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Las Vegas?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Las Vegas from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Las Vegas?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Las Vegas with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Las Vegas?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Las Vegas from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Illinois to Las Vegas?

Find which airlines fly direct from Illinois to Harry Reid Intl, which days they fly and book direct flights.

Nonstop departures

Illinois to Las Vegas Harry Reid Intl

Monday

ANA, Advanced Air, Aer Lingus, +69 more

ANA, Advanced Air, +70 more

Tuesday

ANA, Advanced Air, Aer Lingus, +64 more

ANA, Advanced Air, +65 more

Wednesday

ANA, Advanced Air, Aer Lingus, +66 more

ANA, Advanced Air, +67 more

Thursday

ANA, Advanced Air, Aer Lingus, +68 more

ANA, Advanced Air, +69 more

Friday

ANA, Advanced Air, Aer Lingus, +68 more

ANA, Advanced Air, +69 more

Saturday

ANA, Advanced Air, Aer Lingus, +66 more

ANA, Advanced Air, +67 more

Sunday

ANA, Advanced Air, Aer Lingus, +68 more

ANA, Advanced Air, +69 more

See more direct flights

Nonstop returns

Las Vegas Harry Reid Intl to Illinois

Monday

ANA, Advanced Air, Aer Lingus, +69 more

ANA, Advanced Air, +70 more

Tuesday

ANA, Advanced Air, Aer Lingus, +64 more

ANA, Advanced Air, +65 more

Wednesday

ANA, Advanced Air, Aer Lingus, +66 more

ANA, Advanced Air, +67 more

Thursday

ANA, Advanced Air, Aer Lingus, +68 more

ANA, Advanced Air, +69 more

Friday

ANA, Advanced Air, Aer Lingus, +68 more

ANA, Advanced Air, +69 more

Saturday

ANA, Advanced Air, Aer Lingus, +66 more

ANA, Advanced Air, +67 more

Sunday

ANA, Advanced Air, Aer Lingus, +68 more

ANA, Advanced Air, +69 more

See more direct flights
See more direct flights

Book cheap flights from Illinois to Las Vegas

Recent round-trip flight deals

6/12wo
nonstop
3h 27mSTL-LAS
6/18di
nonstop
3h 12mLAS-STL
$80
6/12wo
nonstop
3h 27mSTL-LAS
6/19wo
nonstop
3h 12mLAS-STL
$81
6/10ma
nonstopFrontier
3h 46mSTL-LAS
6/20do
nonstopFrontier
3h 12mLAS-STL
$85
7/24wo
nonstopFrontier
3h 46mSTL-LAS
7/31wo
nonstopFrontier
3h 22mLAS-STL
$87
6/15za
1 stopSpirit Airlines
12h 35mSTL-LAS
6/19wo
nonstopSpirit Airlines
3h 16mLAS-STL
$95
6/14vr
nonstopSpirit Airlines
3h 27mSTL-LAS
6/19wo
nonstopSpirit Airlines
3h 16mLAS-STL
$107
7/14zo
nonstopAllegiant Air
3h 34mRFD-LAS
7/18do
nonstopAllegiant Air
3h 26mLAS-RFD
$137
9/8zo
nonstopAllegiant Air
3h 30mMLI-LAS
9/12do
nonstopAllegiant Air
3h 19mLAS-MLI
$144
8/13di
1 stopAmerican Airlines
7h 35mPIA-LAS
8/20di
1 stopAmerican Airlines
7h 19mLAS-PIA
$198
8/13di
2 stopsAmerican Airlines
8h 39mPIA-LAS
8/20di
1 stopAmerican Airlines
9h 01mLAS-PIA
$203

Search by stops

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Recent one-way flight deals

6/26wo
nonstopSpirit Airlines
3h 27mSTL-LAS
$44
7/3wo
nonstopFrontier
3h 40mSTL-LAS
$46
7/14zo
nonstopAllegiant Air
3h 34mRFD-LAS
$63
7/4do
nonstopAllegiant Air
3h 24mMLI-LAS
$69
6/15za
1 stop
16h 10mRFD-LAS
$75
7/5vr
1 stopSun Country Air
15h 12mORD-LAS
$76
6/24ma
1 stopSun Country Air
16h 58mORD-LAS
$78
9/8zo
1 stop
14h 10mRFD-LAS
$79
8/3za
1 stopAmerican Airlines
6h 29mPIA-LAS
$99
8/2vr
1 stopAmerican Airlines
7h 57mPIA-LAS
$119

Search by stops

Search by airline

Search by price

Last minute flights from Illinois to Las Vegas

Last minute flight, train and bus deals

6/5wo
nonstopFrontier
3h 46mSTL-LAS
6/18di
nonstopFrontier
3h 12mLAS-STL
$116
6/5wo
nonstopFrontier
3h 46mSTL-LAS
6/20do
nonstopFrontier
3h 12mLAS-STL
$127
6/7vr
nonstop
3h 27mSTL-LAS
6/19wo
nonstop
3h 12mLAS-STL
$133
6/4di
nonstopSpirit Airlines
4h 02mORD-LAS
6/12wo
nonstopSpirit Airlines
3h 47mLAS-ORD
$140
6/7vr
nonstop
3h 27mSTL-LAS
6/20do
nonstop
3h 12mLAS-STL
$144
6/7vr
multi-stopSpirit Airlines
13h 09mORD-LAS
6/12wo
multi-stopSpirit Airlines
13h 16mLAS-ORD
$150
6/3ma
nonstopAllegiant Air
3h 38mPIA-LAS
6/7vr
nonstopAllegiant Air
3h 19mLAS-PIA
$269
6/3ma
nonstopAllegiant Air
3h 38mPIA-LAS
6/5wo
nonstopAllegiant Air
3h 19mLAS-PIA
$287
6/5wo
multi-stopAmerican Airlines
5h 45mMLI-LAS
6/8za
multi-stopAmerican Airlines
8h 28mLAS-MLI
$340
6/5wo
multi-stopAmerican Airlines
10h 36mMLI-LAS
6/8za
multi-stopAmerican Airlines
8h 28mLAS-MLI
$345

Search by stops

Search by airline

Search by price