Airlines with flights from Las Vegas to Dulles

There are 6 airlines with scheduled flights between LAS and IAD. Both Frontier and United operates non-stop flights from Harry Reid International Airport to Washington Dulles Airport and the flight time is 4 hours and 35 minutes.

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Schedules

Frontier Airlines

Non-stop with Frontier Airlines

  • Total flight time: 4 hours and 35 minutes
  • Low-cost airline
  • Las Vegas is a Frontier Airlines focus city (Operating base).
  • 14 flights per week
  • Airbus A321neo
LAS
Direct
IAD

The timetable & schedule information was updated at 2026-04-21

United Airlines

Non-stop with United Airlines

  • Total flight time: 4 hours and 36 minutes
  • Dulles is a United Airlines hub (Secondary hub).
  • 14 flights per week
  • Boeing 737-800 Passenger
    Boeing 737MAX 8 Passenger
    Boeing 737MAX 9 Passenger
  • Business and first class available
LAS
Direct
IAD

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Denver with Southwest Airlines

  • Total flight time: 6h 00m - 10h 15m.
  • Low-cost airline
  • Las Vegas is a Southwest Airlines focus city (Operating base ).
  • 146 flights per week
LAS
 
Via DEN
 
IAD

The timetable & schedule information was updated at 2026-04-21

United Airlines

Via Denver with United Airlines

  • Total flight time: 6h 09m - 8h 31m.
  • Dulles is a United Airlines hub (Secondary hub).
  • 176 flights per week
  • Boeing 737-800 Passenger
    Boeing 737MAX 8 Passenger
    Boeing 737MAX 9 Passenger
LAS
 
Via DEN
 
IAD

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Charlotte with American Airlines

  • Total flight time: 6h 13m - 8h 56m.
  • One World Alliance
  • 86 flights per week
LAS
 
Via CLT
 
IAD

The timetable & schedule information was updated at 2026-04-21

Delta Air Lines

Via Minneapolis with Delta Air Lines

  • Total flight time: 6h 19m - 8h 37m.
  • Sky Team Alliance
  • 79 flights per week
LAS
 
Via MSP
 
IAD

The timetable & schedule information was updated at 2026-04-21

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Flight data on this page was last updated on 2026-06-02