Airlines with flights from Dulles to Las Vegas

There are 7 airlines with scheduled flights between IAD and LAS. Both United and Frontier operates non-stop flights from Washington Dulles Airport to Harry Reid International Airport and the flight time is 5 hours and 9 minutes.

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Direct

$United Airlines from {( $airportFrom->city_name }} to Las Vegas$

Non-stop

5h 9min

Direct

$Frontier Airlines from {( $airportFrom->city_name }} to Las Vegas$

Non-stop

4h 58min

Via Denver

6h 30min

Via Atlanta

6h 38min

Via Dallas

6h 39min

Via Detroit

6h 43min

Via Charlotte

6h 48min

Via Minneapolis

6h 49min

Via Chicago

7h 3min

Via Denver

7h 4min

Via Minneapolis

7h 10min

Via Phoenix

7h 10min

Via Houston

7h 31min

Via Los Angeles

7h 32min

Via Salt Lake City

7h 40min

NEW

Via Los Angeles

7h 42min

Via Dallas

7h 47min

Via New York

7h 52min

Via Atlanta

8h 0min

Via New York

8h 31min

Via Los Angeles

9h 30min

Via Cleveland

10h 25min

NEW

Via Cincinnati

11h 48min

Via Dallas

12h 43min

Via Savannah

14h 5min

Starts 24/09

Via New York

11h 34min

Starts 03/10

Via San Diego

8h 57min

Schedules

Non-stop with United Airlines

Total flight time: 5 hours and 9 minutes
Dulles is a United Airlines hub (Secondary hub).

14 flights per week
Boeing 737-800 Passenger

Boeing 737-900 Passenger

Boeing 737MAX 9 Passenger
Business and first class available

IAD

Direct

LAS

Flight

Mon

Jun 15

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Thu

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Fri

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Sat

Jun 20

Sun

Jun 21

UA2156

13:05

UA1764

20:10

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The timetable & schedule information was updated at 2026-04-22

Non-stop with Frontier Airlines

Total flight time: 4 hours and 58 minutes
Low-cost airline
Las Vegas is a Frontier Airlines focus city (Operating base).

7 flights per week
Airbus A321neo

IAD

Direct

LAS

Flight

Mon

Jun 15

Tue

Jun 16

Wed

Jun 17

Thu

Jun 18

Fri

Jun 19

Sat

Jun 20

Sun

Jun 21

F94277

09:55

09:35

09:55

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The timetable & schedule information was updated at 2026-04-22

Via Denver with Southwest Airlines

Total flight time: 6h 30m - 9h 10m.
Low-cost airline
Las Vegas is a Southwest Airlines focus city (Operating base ).

106 flights per week

IAD

Via DEN

LAS

Flight

Mon

Jun 15

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Jun 16

Wed

Jun 17

Thu

Jun 18

Fri

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Jun 20

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Jun 21

Sorry. We could not find any flights for this week.

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The timetable & schedule information was updated at 2026-04-22

Via Atlanta with Delta Air Lines

Total flight time: 6h 38m - 9h 18m.
Sky Team Alliance

179 flights per week

IAD

Via ATL

LAS

Flight

Mon

Jun 15

Tue

Jun 16

Wed

Jun 17

Thu

Jun 18

Fri

Jun 19

Sat

Jun 20

Sun

Jun 21

DL2127
DL945