United States · 2,061 miles (3,317 km)

Dulles (IAD) to Las Vegas (LAS) flights

Air Canada Aeroplan logo
12,500 milesCheapest economy award, one way, with Air Canada Aeroplan

An economy award from Dulles (IAD) to Las Vegas (LAS) starts at 12,500 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. Avianca LifeMiles charges the same. 2 airlines fly nonstop from Dulles (IAD) to Las Vegas (LAS): 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.

How many miles IAD to LAS costs

Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyTaxes and fees
Air Canada AeroplanOn United Airlines12,500$33.60
Avianca LifeMilesOn United Airlines12,500$30.60
ANA Mileage ClubOn United Airlines15,000$5.60
Singapore Airlines KrisFlyerOn United Airlines15,000$5.60
Turkish Airlines Miles&SmilesOn United Airlines15,000$5.60–45.60
Thai Royal Orchid PlusOn United Airlines17,500$5.60
EVA Air Infinity MileageLandsOn United Airlines19,500$5.60
Emirates SkywardsOn United Airlines22,000$5.60–355.60
TAP Miles&GoOn United Airlines30,000$50.40

Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.

Compare every program in the Award Flight Pricer

Airlines flying nonstop from IAD to LAS

Book IAD to LAS with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

IAD to LAS with one stop

63 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Kansas City (MCI)United Airlines, then Southwest Airlines and Frontier Airlines
    United Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Indianapolis (IND)United Airlines, then Allegiant Air and Southwest Airlines
    United Airlines logo
    Allegiant Air logo
    Southwest Airlines logo
  • Via Cincinnati (CVG)United Airlines, then Delta Air Lines, Frontier Airlines and 1 more
    United Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    Allegiant Air logo
  • Via Saint Louis (STL)United Airlines, then Frontier Airlines and Southwest Airlines
    United Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via Columbus (CMH)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Louisville (SDF)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Denver (DEN)United Airlines the whole way
    United Airlines logo
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Pittsburgh (PIT)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via South Bend (SBN)Breeze Airways and United Airlines, then Allegiant Air
    Breeze Airways logo
    United Airlines logo
    Allegiant Air logo
  • Via Chicago (ORD)United Airlines the whole way
    United Airlines logo
    American Airlines logo
    Frontier Airlines logo
    United Airlines logo
  • Via Cleveland (CLE)United Airlines the whole way
    United Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
    United Airlines logo
  • Via Albuquerque (ABQ)United Airlines, then Southwest Airlines
    United Airlines logo
    Southwest Airlines logo
  • Via Nashville (BNA)United Airlines, then Frontier Airlines, Southwest Airlines and 1 more
    United Airlines logo
    Frontier Airlines logo
    Southwest Airlines logo
    American Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    United Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Knoxville (TYS)Allegiant Air the whole way
    United Airlines logo
    Allegiant Air logo
    Allegiant Air logo
    Southwest Airlines logo
See all 63 in Routes

IAD to LAS: common questions

How many miles does IAD to LAS cost?

In economy it starts at 12,500 miles one way with Air Canada Aeroplan on United Airlines, plus taxes and fees from $33.60. Next cheapest: Avianca LifeMiles (12,500), ANA Mileage Club (15,000) and Singapore Airlines KrisFlyer (15,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.

Which airlines fly nonstop from IAD to LAS?

Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Dulles (IAD) to Las Vegas (LAS).

How far is Dulles from Las Vegas by plane?

Dulles (IAD) and Las Vegas (LAS) 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 IAD to LAS 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.

Where can I connect between Dulles and Las Vegas?

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.