Dulles to Las Vegas (IAD–LAS) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAD–LAS is served by 2 airlines with nonstop service. United Airlines and ITA Airways lead the route. The flight covers 2,061 miles in approximately 5h 22m. Beyond nonstop, 271 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: ET, OS | 21 | 739, 7M9, B39M | 5h22-5h23 | Star Alliance | ET, OS | |
| AZ ITA Airways | 7 | 7M9 | 5h23 | SkyTeam | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Las Vegas from Dulles
| Metric | IAD→LAS | DCA→LAS | BWI→LAS |
|---|---|---|---|
| Distance from IAD | – | 23 mi | 45 mi |
| Nonstop airlines | 2 | 3 | 2 |
| Weekly flights | 42 | 21 | 37 |
| Flight time | 5h 22m | 5h 8m | 4h 49m |
| Departure OTP | 78% | – | – |
Travel Essentials
IAD: EDT · LAS: PDT
When it's 6:00 PM in Dulles, it's 3:00 PM in Las Vegas.
WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).
Taxis and ride-shares dominate ground transport. A metered taxi to the Strip costs $20–30; to downtown Las Vegas ("Fremont Street area"), $20–25. Ride-shares are comparable or slightly cheaper.Hotel casino shuttles serve major properties. No rail connects the airport to the Strip. Rental car facilities are at the CONRAC facility adjacent to the terminals, accessible by shuttle. Tunnel project (LVCC Loop) does not serve the airport.
Hot desert climate. Summers are intensely hot (38–45°C) with low humidity. Heat itself rarely disrupts flights, but monsoonal afternoon thunderstorms from July through September can produce brief but severe delays. Microbursts and lightning strikes ground aircraft quickly.
Winters are mild and sunny (5–15°C) with rare frost. Snow is unusual but possible in January and February. Spring dust storms (haboobs) can reduce visibility rapidly. The airport sits at 2,181 feet; thin air affects aircraft performance on extremely hot days.
IAD–LAS Quick Facts
Frequently Asked Questions
Flights from IAD to LAS
Washington Dulles International Airport (IAD) and Harry Reid International Airport (LAS) are connected by nonstop service from ITA Airways and United Airlines. With 42 weekly departures, this is a heavily served route.
IAD to LAS Flight Duration and Schedule
Nonstop flight time from IAD to LAS ranges from 5 hours 22 minutes to 5 hours 23 minutes. The route covers a distance of 2,061 miles (3,316 km). There are approximately 42 weekly flights outbound and 48 return, totaling 90 flights per week in both directions.
Connecting Options and Alternatives
271 one-stop connections are available, with the fastest taking approximately 5 hours via MHK. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA), Baltimore (BWI) and Hagerstown (HGR).