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Cheap flights Las Vegas — Washington

Las Vegas (LAS, US) Washington (IAD, US)
from $102 3 349 km ~4h 26m 10 flights found 2 airlines cheapest on Monday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $102 on 11.01.2027
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
Mo
Tu
We
Th
Fr
Sa
Su
December 2026
Mo
Tu
We
Th
Fr
Sa
Su
January 2027
Mo
Tu
We
Th
Fr
Sa
Su
Prices found for 14 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
11 Jan 2027, Mon
Frontier Airlines F9 1490
17:54
LAS McCarran International Airport
01:25
IAD Washington Dulles International Airport
7h 31m 2 stops
Tickets
$102
View this ticket
12 Jan 2027, Tue
United Airlines UA 2175
10:30
LAS McCarran International Airport
14:59
IAD Washington Dulles International Airport
4h 29m Direct
Tickets
$165
View this ticket
16 Nov 2026, Mon
Frontier Airlines F9 1116
17:55
LAS McCarran International Airport
23:47
IAD Washington Dulles International Airport
5h 52m 1 stop
Kiwi.com
$223
View this ticket
16 Nov 2026, Mon
Frontier Airlines F9 1876
09:15
LAS McCarran International Airport
16:02
IAD Washington Dulles International Airport
6h 47m 1 stop
Kiwi.com
$238
View this ticket
17 Nov 2026, Tue
United Airlines UA 284
10:45
LAS McCarran International Airport
15:07
IAD Washington Dulles International Airport
4h 22m Direct
Farera
$287
View this ticket
02 Jan 2027, Sat
Frontier Airlines F9 3924
19:18
LAS McCarran International Airport
01:16
IAD Washington Dulles International Airport
5h 58m 1 stop
Kiwi.com
$306
View this ticket
Route characteristics
Distance
3 349 km
Flight time
4h 26m
Time difference
+3h
Minimum price
from $102 (11.01.2027)
Average price
$249
Maximum price
$515
Departures per week
1
Cheapest day
Monday
Departure airports (1)
LAS McCarran International Airport
Arrival airports (1)
IAD Washington Dulles International Airport
Airlines (2)
F9 Frontier Airlines UA United Airlines
Agencies (4)
Tickets Kiwi.com Farera Wingie
Prices by day of week
Monday
$102
avg $188
Cheapest
Tuesday
$165
avg $226
Saturday
$306
avg $306
Price trend by month
November 2026
from $223
avg $249
3 flights
January 2027
from $102
avg $191
3 flights
Airlines — cheapest prices 2
Frontier Airlines
Frontier Airlines
Low-cost 6 flights · 5 days
$102
United Airlines
United Airlines
4 flights · 4 days
$165
Where to buy tickets 4
Tickets
3 tickets · 3 days
from $102
Kiwi.com
4 tickets · 3 days
from $223
Farera
2 tickets · 2 days
from $287
Wingie
1 tickets · 1 days
from $515
Airports

From — Las Vegas (1)

  • LAS McCarran International Airport

To — Washington (1)

  • IAD Washington Dulles International Airport
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Frequently asked questions about the route Las Vegas — Washington
How long is the flight from Las Vegas to Washington?
Approximate flight time — 4h 26m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Las Vegas to Washington?
The straight-line distance — 3 349 km.
How much do flights from Las Vegas to Washington cost?
The minimum price over 3 months — from $102 on 11.01.2027.
What is the average ticket price?
The average price — $249. Range: $102 — $515.
What is the time difference between Las Vegas and Washington?
The difference — +3h.
From which airports does Las Vegas operate flights?
From Las Vegas: LAS (McCarran International Airport).
To which airports in Washington do flights arrive?
To Washington: IAD (Washington Dulles International Airport).
Which airlines fly this route?
This route is served by 2 airlines: Frontier Airlines, United Airlines.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $165. Total direct flights found: 2.
Which day of the week is cheapest?
The cheapest day of the week — Monday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Las Vegas — Washington

Flights Las Vegas — Washington is a popular route. The straight-line distance is 3 349 km. Flight time 4h 26m. Time difference +3h.

From Las Vegas (LAS) flights depart from 1 airport: LAS. To Washington (IAD) — 1 arrival airport: IAD.

2 airlines operate on this route: Frontier Airlines, United Airlines.

The minimum price for the next 3 months — from $102 (11.01.2027). The cheapest dates are highlighted in the calendar above.

The average ticket price — $249, ranging from $102 to $515. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Monday.

Other destinations in United States from Las Vegas
New York
US
Oklahoma City
US
Kahului
US
Oakland
US
Minneapolis
US
Missoula
US
Omaha
US
New Orleans
US

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