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
10/18/25
1 Stopover (DFW)
F91650, F93208
08h 18min
Return
11/17/25
1 Stopover (SAN)
AS0201, AS3427
09h 00min
Frontier Airlines
$211
Best option
Las Vegas
Washington DC
Outbound
09/04/25
direct
UA1228
04h 39min
Return
09/28/25
direct
UA1323
04h 53min
United Airlines ?
$273
Las Vegas
Washington DC
Pay attention to transfer at connecting flight
Outbound
09/04/25
1 Stopover (AVL)
G40244, G41873
28h 07min
Return
09/28/25
2 Stopovers (SAV, EWR)
G42778, NK0973, NK0903
27h 05min
Allegiant Air
$289
Las Vegas
Washington DC
Outbound
10/18/25
1 Stopover (SEA)
AS0629, AS0348
10h 13min
Return
11/17/25
1 Stopover (SAN)
AS0201, AS3427
09h 00min
Alaska Airlines ?
$229
Las Vegas
Washington DC
Outbound
10/18/25
direct
UA1228
04h 39min
Return
11/17/25
1 Stopover (SAN)
AS0201, AS3427
09h 00min
United Airlines ?
$254
Las Vegas
Washington DC
Outbound
09/04/25
1 Stopover (AVL)
G40244, G41873
28h 07min
Return
09/28/25
direct
UA2747
05h 00min
Allegiant Air ?
$278
Las Vegas
Washington DC
Outbound
10/18/25
1 Stopover (DFW)
F93456, F93208
09h 40min
Return
11/17/25
1 Stopover (DFW)
F93207, F91961
08h 23min
Frontier Airlines ?
$288
Las Vegas
Washington DC
Outbound
10/18/25
direct
UA0284
04h 35min
Return
11/17/25
direct
UA1273
05h 17min
United Airlines ?
$293
Las Vegas
Washington DC
Outbound
10/18/25
1 Stopover (DFW)
F93456, F93208
09h 40min
Return
11/17/25
1 Stopover (DFW)
F93207, F91961
08h 23min
Frontier Airlines
$301
Las Vegas
Washington DC
Outbound
10/18/25
1 Stopover (DFW)
F93456, F93208
09h 40min
Return
11/17/25
1 Stopover (DFW)
F93207, F91961
08h 23min
Frontier Airlines
$311
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 $ 210,62
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