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Cheap flights from Chicago to Las Vegas

One-way from $80, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Thu, Oct 15$157Fri, Oct 16$167Sat, Oct 17$155Sun, Oct 18$80Mon, Oct 19Any priceTue, Oct 20$114Wed, Oct 21Any priceThu, Oct 22$119

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
$80
Allegiant Air, flight G4 136Found 2 days ago, 1 adult
Check price on Aviasales
9:33pmChicagoSun, Oct 18
Travel time 3h 43m, nonstopRFDLAS
11:16pmLas VegasSun, Oct 18
$95
Allegiant Air, flight G4 32Found 4 days ago, 1 adult
Check price on Aviasales
8:52pmChicagoThu, Nov 12
Travel time 3h 46m, nonstopRFDLAS
10:38pmLas VegasThu, Nov 12
$110
Frontier Airlines, flight F9 3647Found 4 days ago, 1 adult
Check price on Aviasales
5:15pmChicagoThu, Nov 19
Travel time 4h 21m, nonstopORDLAS
7:36pmLas VegasThu, Nov 19
$113
Allegiant Air, flight G4 136Found 3 days ago, 1 adult
Check price on Aviasales
9:33pmChicagoSun, Oct 11
Travel time 3h 43m, nonstopRFDLAS
11:16pmLas VegasSun, Oct 11
$114
Frontier Airlines, flight F9 2445Found 6 days ago, 1 adult
Check price on Aviasales
8:01pmChicagoTue, Oct 20
Travel time 6h 8m, 1 stopORDLAS
12:09amLas VegasWed, Oct 21

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

  • Mobile data in United StatesTravel eSIM from $4, installed before you fly.
    Compare plans
  • Getting from the airportTransfers and car hire in Las Vegas, booked ahead at a fixed price.
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  • Things to do in Las VegasPopular tours from $59 per person.
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  • Flight delayed?Delayed or cancelled? See which passenger rights cover this route.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234$1505$1506$1477$1388$1369$17310$15611$11312$18013–14–15$15716$16717$15518$8019–20$11421–22$11923–24–25–26–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2–3–4–5–6–7$1248–9–10–11–12$9513–14–15–16–17–18–19$11020–21–22–23–24–25–26–27–28$11529–30$131

December 2026

MoTuWeThFrSaSu1–2–345678910111213141516171819202122232425262728293031
$115 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Oct 18, $80.

Lowest fares by month

In the fares found this week, October has the lowest: from $80 one-way, against $185 in July 2027. Pick a month to see its cheapest date.

$0$100$200$80OctNovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October$80Sun, Oct 18Nonstop
November$95Thu, Nov 12Nonstop
December$118Wed, Dec 301 stop
January 2027—
February 2027—
March 2027$178Mon, Mar 15Nonstop
April 2027—
May 2027—
June 2027—
July 2027$185Thu, Jul 11 stop
August 2027—
September 2027—

Questions travellers ask

What is the cheapest month to fly from Chicago to Las Vegas?

In the fares found this week, October has the lowest: from $80 one-way, against $185 in July 2027.

Are there direct flights from Chicago to Las Vegas?

Yes. Recent fares include nonstop flights with Frontier Airlines, Allegiant Air and Southwest Airlines.

How long is the flight from Chicago to Las Vegas?

A nonstop flight takes about 3h 43m. The distance is 1,447 mi.

Which day of the week is cheapest to fly?

In the fares we have, Sunday departures are the cheapest, with a typical lowest fare of $120. Friday is the priciest at about $173.

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