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Nonstop flights from Chicago to Las Vegas from $86 MDW, ORD, RFD → LAS

Chicago Midway International Airport (MDW), O'Hare International Airport (ORD), Chicago Rockford International Airport (RFD) → McCarran International Airport (LAS)

The cheapest nonstop return found recently is $249 with American Airlines, 1 Dec – 8 Dec, found yesterday.

Nonstop return

The cheapest nonstop return fare on each of 20 departure dates is usually $275 to $357.

Cheapest nonstop return

$249

1 Dec – 8 Dec · American Airlines

O'Hare International Airport (ORD) → McCarran International Airport (LAS)

Leaves 6:50 a.m. · Return leaves 6:06 p.m. · 7 h 50 min of travel, both ways together

out nonstop, back nonstop

found yesterday

See prices for these datesCheck today's price

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Airlines flying it nonstop on the return fares we hold: Southwest Airlines (20 departure dates), Frontier Airlines (16 departure dates), American Airlines (15 departure dates), United Airlines (13 departure dates), Allegiant Air (11 departure dates).

On the 34 trips where we hold both on the same dates, nonstop cost a median $9 (2.9%) more than the cheapest fare with stops. Nonstop was cheaper or the same price on 15 of those 34 trips.

Every nonstop date we hold

Nonstop fares on 20 of the 23 departure dates we hold for this route.

20 Nov – 24 Nov: $348, found 7 days ago21 Nov – 28 Nov: $509, found 4 days ago22 Nov – 24 Nov: $287, found 2 days ago24 Nov – 30 Nov: $322, found 4 days ago26 Nov – 27 Nov: $468, found 4 days ago27 Nov – 30 Nov: $485, found 4 days ago29 Nov – 3 Dec: $301, found 4 days ago1 Dec – 8 Dec: $184, found 7 days ago2 Dec – 3 Dec: $170, found 3 days ago3 Dec – 4 Dec: $236, found 3 days ago5 Dec – 7 Dec: $256, found 2 days ago17 Dec – 20 Dec: $278, found 4 days ago18 Dec – 20 Dec: $344, found 4 days ago23 Dec – 26 Dec: $264, found 5 days ago2 Jan 2027 – 19 Jan 2027: $298, found 4 days ago14 Jan 2027 – 19 Jan 2027: $281, found 4 days ago10 Mar 2027 – 15 Mar 2027: $339, found 3 days ago12 Mar 2027 – 14 Mar 2027: $382, found 8 days ago20 Mar 2027 – 24 Mar 2027: $401, found 5 days ago21 Mar 2027 – 25 Mar 2027: $334, found 5 days agoNovDecJanMar
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Nov – 24 Nov$348American AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 7 days agoSee prices for these dates
21 Nov – 28 Nov$509Southwest AirlinesChicago Midway International Airport (MDW) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
22 Nov – 24 Nov$287Allegiant AirChicago Rockford International Airport (RFD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 2 days agoSee prices for these dates
24 Nov – 30 Nov$322Allegiant AirChicago Rockford International Airport (RFD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
26 Nov – 27 Nov$468Southwest AirlinesChicago Midway International Airport (MDW) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
27 Nov – 30 Nov$485Southwest AirlinesChicago Midway International Airport (MDW) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
29 Nov – 3 Dec$301Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
1 Dec – 8 Dec$184Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 7 days agoSee prices for these dates
2 Dec – 3 Dec$170Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
3 Dec – 4 Dec$236Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
5 Dec – 7 Dec$256Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 2 days agoSee prices for these dates
17 Dec – 20 Dec$278Allegiant AirChicago Rockford International Airport (RFD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
18 Dec – 20 Dec$344United AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
23 Dec – 26 Dec$264Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 5 days agoSee prices for these dates
2 Jan 2027 – 19 Jan 2027$298Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
14 Jan 2027 – 19 Jan 2027$281Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 4 days agoSee prices for these dates
10 Mar 2027 – 15 Mar 2027$339American AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 3 days agoSee prices for these dates
12 Mar 2027 – 14 Mar 2027$382Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 8 days agoSee prices for these dates
20 Mar 2027 – 24 Mar 2027$401Southwest AirlinesChicago Midway International Airport (MDW) → McCarran International Airport (LAS)out nonstop, back nonstopfound 5 days agoSee prices for these dates
21 Mar 2027 – 25 Mar 2027$334Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)out nonstop, back nonstopfound 5 days agoSee prices for these dates

Nonstop one-way

The cheapest nonstop one-way fare on each of 16 departure dates is usually $101 to $178.

Cheapest nonstop one-way

$86

24 Nov · Allegiant Air

Chicago Rockford International Airport (RFD) → McCarran International Airport (LAS)

Leaves 12:22 p.m. · 3 h 46 min trip

nonstop

found 2 days ago

Open this tripCheck today's price

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Airlines flying it nonstop on the one-way fares we hold: American Airlines (9 departure dates), Frontier Airlines (9 departure dates), Southwest Airlines (9 departure dates), Allegiant Air (7 departure dates), United Airlines (6 departure dates).

On the 11 trips where we hold both on the same dates, nonstop cost a median $11 (7.8%) less than the cheapest fare with stops. Nonstop was cheaper or the same price on 9 of those 11 trips.

Every nonstop date we hold

Nonstop fares on 16 of the 19 departure dates we hold for this route.

22 Nov: $92, found 7 days ago24 Nov: $86, found 2 days ago28 Nov: $121, found 6 days ago29 Nov: $176, found 7 days ago30 Nov: $171, found 3 days ago2 Dec: $109, found 2 days ago3 Dec: $253, found 7 days ago5 Dec: $103, found 6 days ago9 Dec: $90, found 7 days ago14 Dec: $93, found 6 days ago17 Dec: $117, found 3 days ago20 Dec: $127, found 6 days ago27 Dec: $255, found 6 days ago10 Feb 2027: $160, found 5 days ago12 Mar 2027: $182, found 7 days ago8 May 2027: $190, found 8 days agoNovDecFebMarMay
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
22 Nov$92Allegiant AirChicago Rockford International Airport (RFD) → McCarran International Airport (LAS)nonstopfound 7 days agoOpen this trip
24 Nov$86Allegiant AirChicago Rockford International Airport (RFD) → McCarran International Airport (LAS)nonstopfound 2 days agoOpen this trip
28 Nov$121Allegiant AirChicago Rockford International Airport (RFD) → McCarran International Airport (LAS)nonstopfound 6 days agoOpen this trip
29 Nov$176Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)nonstopfound 7 days agoOpen this trip
30 Nov$171Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)nonstopfound 3 days agoOpen this trip
2 Dec$109Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)nonstopfound 2 days agoOpen this trip
3 Dec$253Allegiant AirChicago Rockford International Airport (RFD) → McCarran International Airport (LAS)nonstopfound 7 days agoOpen this trip
5 Dec$103Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)nonstopfound 6 days agoOpen this trip
9 Dec$90Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)nonstopfound 7 days agoOpen this trip
14 Dec$93Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)nonstopfound 6 days agoOpen this trip
17 Dec$117Allegiant AirChicago Rockford International Airport (RFD) → McCarran International Airport (LAS)nonstopfound 3 days agoOpen this trip
20 Dec$127Allegiant AirChicago Rockford International Airport (RFD) → McCarran International Airport (LAS)nonstopfound 6 days agoOpen this trip
27 Dec$255American AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)nonstopfound 6 days agoOpen this trip
10 Feb 2027$160American AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)nonstopfound 5 days agoOpen this trip
12 Mar 2027$182Frontier AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)nonstopfound 7 days agoOpen this trip
8 May 2027$190American AirlinesO'Hare International Airport (ORD) → McCarran International Airport (LAS)nonstopfound 8 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work