Flights from Washington DC to Las Vegas

Our cheapest offers for flights from Washington DC to Las Vegas

Here you can compare cheap flights from Washington DC (IAD) to Las Vegas (LAS) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Las Vegas. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington DC
Las Vegas
Outbound
10/17/25
direct
UA1972
05h 00min
Return
-
United Airlines ?
$649
found yesterday
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to Las Vegas

Favorite airline: Sun Country Airlines
Flight tickets on the route Washington DC – Las Vegas are most frequently booked with Sun Country Airlines.
Sun Country Airlines
56 %
Delta
20 %
United Airlines
12 %
Cheapest weekday: Tuesday
Flight prices fluctuate throughout the week. Flights are 22 % cheaper on Tuesday.
Stopover flights are the cheapest connection
Flights with a stopover are on average $146.00 cheaper than direct flights.
non stop flight
1 stop
2 stops
05h 30min
08h 01min
22h 52min
443 $US
297 $US
360 $US
Favourite connection: via Minneapolis
Flights with a stopover in Minneapolis are the most popular connection for this route.
Route
bookings
1 stopover Minneapolis - St. Paul International Airport, MN
13h 29min, from 304 $US
82 %
1 stopover Salt Lake City International Airport, UT
07h 49min, from 347 $US
12 %
1 stopover Los Angeles International Airport, CA
08h 01min, from 297 $US
6 %

Important flight information

Flight information: Washington DC - Las Vegas

Cheapest outbound flight from 648,82 $US
Flight duration min. 05:09 / max. 05:32
Return flight duration min. 04:13/ max. 06:07
Distance 3320 km
Flights per week 20
Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport Airport Las Vegas - McCarran International Airport, NV (LAS)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Las Vegas
Flight destinations with a similar price
Flight destinations with a similar price