Las Vegas to Dulles (LAS–IAD) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
LAS–IAD is served by 2 airlines with nonstop service. United Airlines and Delta Air Lines lead the route. The flight covers 2,061 miles in approximately 3h 52m. Beyond nonstop, 268 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: ET, OS, SN | 27 | 738, 739, 753, 7M9 | 3h57-4h43 | Star Alliance | ET, OS, SN | |
| DL Delta Air Lines | 0 | – | – | SkyTeam | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Dulles from Las Vegas
| Metric | LAS→IAD | PSP→IAD | PRC→IAD |
|---|---|---|---|
| Distance from LAS | – | 174 mi | 183 mi |
| Nonstop airlines | 2 | 7 | 1 |
| Weekly flights | 48 | 2 | – |
| Flight time | 3h 52m | 4h 18m | 3h 31m |
| Departure OTP | 100% | – | – |
Travel Essentials
LAS: PDT · IAD: EDT
When it's 6:00 PM in Las Vegas, it's 9:00 PM in Dulles.
The airport is 5 miles from the Strip; ride-shares and taxis take 10–20 minutes from the Strip ($15–25). There is no rail link.The Las Vegas Monorail does not serve the airport. RTC bus Route 109 connects the airport to the Strip ($2, 20–30 min), but luggage handling is inconvenient. Hotel shuttles from major resorts are the most hassle-free option and often free for guests.
Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.
Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.
Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.
LAS–IAD Quick Facts
Frequently Asked Questions
Flights from LAS to IAD
Harry Reid International Airport (LAS) and Washington Dulles International Airport (IAD) are connected by nonstop service from Delta Air Lines and United Airlines. With 48 weekly departures, this is a heavily served route.
LAS to IAD Flight Duration and Schedule
Nonstop flight time from LAS to IAD ranges from 3 hours 52 minutes to 4 hours 43 minutes. The route covers a distance of 2,061 miles (3,316 km). There are approximately 48 weekly flights outbound and 42 return, totaling 90 flights per week in both directions.
Connecting Options and Alternatives
268 one-stop connections are available, with the fastest taking approximately 4 hours via CMI. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Palm Springs (PSP) and Prescott (PRC).