AirSource

Flights Chicago → Las Vegas — September 17, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Thursday, September 17, 2026 on the Chicago–Las Vegas route: 1 stop itinerary (2 flights) via Dallas/Fort Worth (DFW), from Chicago Midway (MDW) to Las Vegas Harry Reid (LAS), first flight Frontier Airlines F92999, departs 12:54 PM, arrives 11:59 PM, total travel time 13h 5m including layovers, flight time 5h 31m (layovers excluded), $165 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), checked bag not included, changes not allowed, non-refundable. Price found in an Aviasales search on September 7, 2026 and read by AirSource on September 10, 2026, 21:55 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: Allegiant Air G432, from Chicago (RFD) to Las Vegas Harry Reid (LAS), departs 9:29 PM, arrives 11:08 PM, direct, 3h 39m, $212 per person. Fare as listed by Aviasales: carry-on bag included, checked bag not included, changes not allowed, non-refundable.

Lowest price observed in the available data

1-stop itinerary (2 flights)

via Dallas/Fort Worth (DFW) · first flight Frontier Airlines F92999

1 stop
Thu, Sep 17
Chicago Midway (MDW)
13h 5m
1 stop
Thu, Sep 17
Las Vegas Harry Reid (LAS)
First flight
Frontier Airlines F92999 (1st of 2 flights)
Connecting flights
Operated after the layover in Dallas/Fort Worth (DFW); airline and flight number are not provided by Aviasales in this record: see them on the booking site.
Departure
Chicago Midway (MDW) · September 17, 2026 · local time (UTC-5)
Final arrival
Las Vegas Harry Reid (LAS) · September 17, 2026 · local time (UTC-7)
Stops
1 stop · in Dallas/Fort Worth (DFW)
Total travel time
13h 5m (layovers included)
Flight time
5h 31m (layovers excluded)
Layover time
7h 34m
Carry-on bag
not included (personal item only)
Checked bag
not included
Changes
not allowed
Refund
non-refundable
Last observed price
$165 per person, one way
Observed
Price and fare conditions found in an Aviasales search on · read by AirSource on · more than 48 hours ago
Last observed price
$165
per person, one way
Check the current price and book

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Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Cheapest direct flight observed

Allegiant Air G432

Direct · Chicago (RFD) → Las Vegas Harry Reid (LAS)

Direct
Thu, Sep 17
Chicago (RFD)
3h 39m
direct
Thu, Sep 17
Las Vegas Harry Reid (LAS)
Airline
Allegiant Air (G4)
Flight
G432
Departure
Chicago (RFD) · September 17, 2026 · local time (UTC-5)
Arrival
Las Vegas Harry Reid (LAS) · September 17, 2026 · local time (UTC-7)
Stops
Direct (no plane change, as stated by the source; it can include a stop)
Duration
3h 39m
Carry-on bag
included
Checked bag
not included
Changes
not allowed
Refund
non-refundable
Last observed price
$212 per person, one way
Observed
Price and fare conditions found in an Aviasales search on · read by AirSource on · more than 48 hours ago
Last observed price
$212
per person, one way
Check the current price and book

Affiliate link. Booking, payment and support are handled by the seller you choose on Aviasales.

Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Looking for other times? All ChicagoLas Vegas flights on September 17, 2026 on Aviasales.

Nearby dates