Flights from Las Vegas to Washington DC

Our cheapest offers for flights from Las Vegas to Washington DC

Here you can compare cheap flights from Las Vegas (LAS) to Washington DC (IAD) 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 Washington DC. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Las Vegas
Washington DC
Outbound
01/17/26
2 Stopovers (DFW, ATL)
F93978, F91270, F91082
27h 29min
Return
01/19/26
2 Stopovers (ATL, DEN)
F93691, F93293, F92349
24h 15min
Frontier Airlines ?
$205
Best option
Las Vegas
Washington DC
Outbound
01/17/26
direct
UA2382
04h 30min
Return
01/19/26
direct
UA2065
05h 21min
United Airlines ?
$1,071
Las Vegas
Washington DC
Outbound
01/17/26
1 Stopover (ATL)
F92428, F94708
09h 06min
Return
01/19/26
1 Stopover (SAN)
AS0201, AS3068
09h 02min
Frontier Airlines ?
$321
Las Vegas
Washington DC
Outbound
01/17/26
1 Stopover (SAN)
AS2046, AS0506
08h 04min
Return
01/19/26
1 Stopover (SAN)
AS0201, AS3068
09h 02min
Alaska Airlines ?
$342
Las Vegas
Washington DC
Outbound
01/17/26
1 Stopover (SAN)
HA6133, HA6507
08h 04min
Return
01/19/26
1 Stopover (SAN)
AS0201, AS3068
09h 02min
Hawaiian Airlines ?
$536
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Las Vegas to Washington DC

Favorite airline: United Airlines
The most popular airline for flights from Las Vegas to Washington DC is United Airlines.
United Airlines
39 %
Alaska Airlines
21 %
Delta
21 %
Cheapest weekday: Monday
The cheapest days to fly on this route are Monday.
Stopover flights are the cheapest connection
Flights with a stopover are on average $10.00 cheaper than direct flights.
non stop flight
1 stop
2 stops
04h 21min
08h 52min
18h 50min
$324
$314
$402
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 39 % of travelers will book a direct flight.
Route
bookings
Direct flights
04h 21min, from $324
39 %
1 stopover Los Angeles International Airport, CA
08h 06min, from $358
26 %
1 stopover Detroit Metropolitan Wayne County Airport, MI
08h 52min, from $314
17 %

Important flight information

Flight information: Las Vegas - Washington DC

Roundtrip from $204.56
Flight duration min. 04:13 / max. 06:07
Return flight duration min. 05:09/ max. 05:32
Distance 3320 km
Flights per week 30
Departure airport Airport Las Vegas - McCarran International Airport, NV (LAS)
Arrival airport Airport Washington DC - Dulles International Airport, DC (IAD)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Washington DC
Flight destinations with a similar price
Flight destinations with a similar price