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$35 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
Mon 7/1
Mon 7/8

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In the last 7 days travelers have searched 42,787,818 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$35
Best time to beat the crowds with an average 18% 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

6/25Tue
nonstopFrontier
3h 46mSTL-LAS
7/2Tue
nonstopFrontier
3h 14mLAS-STL
$68
9/23Mon
nonstopFrontier
3h 37mSTL-LAS
9/25Wed
nonstopFrontier
3h 17mLAS-STL
$69
6/12Wed
nonstop
3h 27mSTL-LAS
6/19Wed
nonstop
3h 12mLAS-STL
$74
6/25Tue
nonstopSpirit Airlines
3h 54mORD-LAS
6/26Wed
1 stopSpirit Airlines
15h 45mLAS-ORD
$106
6/15Sat
1 stop
12h 35mSTL-LAS
6/25Tue
nonstop
3h 12mLAS-STL
$108
9/4Wed
nonstopSpirit Airlines
4h 01mORD-LAS
9/11Wed
1 stopSpirit Airlines
6h 46mLAS-ORD
$115
8/1Thu
nonstopAllegiant Air
3h 24mMLI-LAS
8/15Thu
nonstopAllegiant Air
3h 19mLAS-MLI
$137
7/14Sun
nonstopAllegiant Air
3h 34mRFD-LAS
7/18Thu
nonstopAllegiant Air
3h 26mLAS-RFD
$137
7/4Thu
1 stopSun Country Air
14h 44mORD-LAS
7/8Mon
1 stopSun Country Air
8h 22mLAS-ORD
$172
8/1Thu
1 stopSun Country Air
15h 36mORD-LAS
8/4Sun
1 stopSun Country Air
16h 30mLAS-ORD
$206

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Recent one-way flight deals

6/26Wed
nonstopFrontier
3h 46mSTL-LAS
$35
7/17Wed
nonstopFrontier
3h 46mSTL-LAS
$39
8/27Tue
2 stopsSpirit Airlines
31h 05mORD-LAS
$61
7/2Tue
1 stopSpirit Airlines
11h 03mORD-LAS
$62
7/18Thu
nonstopAllegiant Air
3h 24mMLI-LAS
$63
7/14Sun
nonstopAllegiant Air
3h 34mRFD-LAS
$63
7/5Fri
1 stopSun Country Air
15h 12mORD-LAS
$76
6/15Sat
1 stop
16h 10mRFD-LAS
$80
6/24Mon
1 stopSun Country Air
16h 58mORD-LAS
$86
6/9Sun
1 stop
7h 35mSTL-LAS
$99

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Last minute flights from Illinois to Las Vegas

Last minute flight, train and bus deals

6/6Thu
nonstopFrontier
4h 03mMDW-LAS
6/7Fri
nonstopFrontier
3h 33mLAS-MDW
$133
6/6Thu
nonstopFrontier
4h 03mMDW-LAS
6/11Tue
nonstopFrontier
3h 33mLAS-MDW
$134
6/4Tue
nonstop
4h 10mORD-LAS
6/7Fri
nonstop
3h 47mLAS-ORD
$140
6/3Mon
multi-stop
7h 01mSTL-LAS
6/10Mon
nonstop
3h 16mLAS-STL
$144
6/4Tue
nonstopSpirit Airlines
4h 02mORD-LAS
6/10Mon
nonstopSpirit Airlines
3h 47mLAS-ORD
$147
6/4Tue
nonstopSpirit Airlines
4h 02mORD-LAS
6/11Tue
nonstopSpirit Airlines
3h 47mLAS-ORD
$148
6/2Sun
nonstopAllegiant Air
3h 46mRFD-LAS
6/6Thu
nonstopAllegiant Air
3h 22mLAS-RFD
$305
6/1Sat
multi-stopAmerican Airlines
8h 31mMLI-LAS
6/6Thu
multi-stopAmerican Airlines
7h 24mLAS-MLI
$339
6/5Wed
multi-stopAmerican Airlines
7h 59mMLI-LAS
6/8Sat
multi-stopAmerican Airlines
7h 07mLAS-MLI
$340
6/2Sun
nonstopAllegiant Air
3h 46mRFD-LAS
6/6Thu
nonstopAllegiant Air
3h 22mLAS-RFD
$368

Search by stops

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