AirSource

Flights Las Vegas → Chicago — September 20, 2026

One way · Economy · 1 adult · price per person

The cheapest itinerary observed for Sunday, September 20, 2026 on the Las Vegas–Chicago route: 1 stop itinerary (2 flights) via Dallas/Fort Worth (DFW), from Las Vegas Harry Reid (LAS) to Chicago Midway (MDW), first flight Frontier Airlines F91650, departs 12:59 AM, arrives 11:59 AM, total travel time 9h including layovers, flight time 5h 5m (layovers excluded), $158 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 10, 2026 and read by AirSource on September 10, 2026, 21:23 UTC: it is not guaranteed and is confirmed on Aviasales at booking time. The cheapest direct flight observed: Allegiant Air G434, from Las Vegas Harry Reid (LAS) to Chicago (RFD), departs 3:15 PM, arrives 8:39 PM, direct, 3h 24m, $218 per person. Fare as listed by Aviasales: carry-on bag not included (personal item only), 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 F91650

1 stop
Sun, Sep 20
Las Vegas Harry Reid (LAS)
9h
1 stop
Sun, Sep 20
Chicago Midway (MDW)
First flight
Frontier Airlines F91650 (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
Las Vegas Harry Reid (LAS) · September 20, 2026 · local time (UTC-7)
Final arrival
Chicago Midway (MDW) · September 20, 2026 · local time (UTC-5)
Stops
1 stop · in Dallas/Fort Worth (DFW)
Total travel time
9h (layovers included)
Flight time
5h 5m (layovers excluded)
Layover time
3h 55m
Carry-on bag
not included (personal item only)
Checked bag
not included
Changes
not allowed
Refund
non-refundable
Last observed price
$158 per person, one way
Observed
Price and fare conditions found in an Aviasales search on · read by AirSource on
Last observed price
$158
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 G434

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

Direct
Sun, Sep 20
Las Vegas Harry Reid (LAS)
3h 24m
direct
Sun, Sep 20
Chicago (RFD)
Airline
Allegiant Air (G4)
Flight
G434
Departure
Las Vegas Harry Reid (LAS) · September 20, 2026 · local time (UTC-7)
Arrival
Chicago (RFD) · September 20, 2026 · local time (UTC-5)
Stops
Direct (no plane change, as stated by the source; it can include a stop)
Duration
3h 24m
Carry-on bag
not included (personal item only)
Checked bag
not included
Changes
not allowed
Refund
non-refundable
Last observed price
$218 per person, one way
Observed
Price and fare conditions found in an Aviasales search on · read by AirSource on
Last observed price
$218
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 Las VegasChicago flights on September 20, 2026 on Aviasales.

Nearby dates