Las Vegas (LAS) to Dulles (IAD) flights
2 airlines fly nonstop from Las Vegas (LAS) to Dulles (IAD): Frontier Airlines and United Airlines. The two airports are 2,061 miles (3,317 km) apart. United Airlines is in Star Alliance. There are also 63 ways to fly it with one stop, through Kansas City, Indianapolis and Cincinnati and more.
Airlines flying nonstop from LAS to IAD
- Frontier AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book LAS to IAD with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
LAS to IAD with one stop
63 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Kansas City (MCI)Southwest Airlines and Frontier Airlines, then United Airlines
- Via Indianapolis (IND)Allegiant Air and Southwest Airlines, then United Airlines
- Via Cincinnati (CVG)Delta Air Lines, Frontier Airlines and 1 more, then United Airlines
- Via Saint Louis (STL)Frontier Airlines and Southwest Airlines, then United Airlines
- Via Columbus (CMH)Southwest Airlines, then United Airlines
- Via Louisville (SDF)Southwest Airlines, then United Airlines
- Via Denver (DEN)United Airlines the whole way
- Via Pittsburgh (PIT)Southwest Airlines, then United Airlines
- Via South Bend (SBN)Allegiant Air, then Breeze Airways and United Airlines
- Via Chicago (ORD)United Airlines the whole way
- Via Cleveland (CLE)United Airlines the whole way
- Via Albuquerque (ABQ)Southwest Airlines, then United Airlines
- Via Nashville (BNA)Frontier Airlines, Southwest Airlines and 1 more, then United Airlines
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Knoxville (TYS)Allegiant Air the whole way
LAS to IAD: common questions
Which airlines fly nonstop from LAS to IAD?
Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Las Vegas (LAS) to Dulles (IAD).
How far is Las Vegas from Dulles by plane?
Las Vegas (LAS) and Dulles (IAD) are 2,061 miles (3,317 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book LAS to IAD award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does LAS to IAD cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for LAS to IAD with taxes and fees.
Where can I connect between Las Vegas and Dulles?
The most direct connections are through Kansas City (MCI), Indianapolis (IND), Cincinnati (CVG), Saint Louis (STL) and Columbus (CMH). On 26 of them the same airline flies both flights, for example United Airlines through Denver.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.