AirSource

Flights Washington → Las Vegas — September 20, 2026

One way · Economy · 1 adult · price per person

The cheapest flight observed for Sunday, September 20, 2026 on the Washington–Las Vegas route: United Airlines UA2156, from Washington Dulles (IAD) to Las Vegas Harry Reid (LAS), departs 12:55 PM, arrives 2:59 PM, direct, 5h 4m, $145 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 9, 2026 and read by AirSource on September 10, 2026, 21:21 UTC: it is not guaranteed and is confirmed on Aviasales at booking time.

Lowest price observed in the available data

United Airlines UA2156

Direct · Washington Dulles (IAD) → Las Vegas Harry Reid (LAS)

Direct
Sun, Sep 20
Washington Dulles (IAD)
5h 4m
direct
Sun, Sep 20
Las Vegas Harry Reid (LAS)
Airline
United Airlines (UA)
Flight
UA2156
Departure
Washington Dulles (IAD) · September 20, 2026 · local time (UTC-4)
Arrival
Las Vegas Harry Reid (LAS) · September 20, 2026 · local time (UTC-7)
Stops
Direct (no plane change, as stated by the source; it can include a stop)
Duration
5h 4m
Carry-on bag
not included (personal item only)
Checked bag
not included
Changes
not allowed
Refund
non-refundable
Last observed price
$145 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
$145
per person, one way
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Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

Looking for other times? All Washington–Las Vegas flights on September 20, 2026 on Aviasales.

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