Louisville to Dulles (SDF–IAD) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
SDF–IAD is served by 3 airlines with nonstop service. United Airlines, Air Canada and Copa Airlines lead the route. The flight covers 450 miles in approximately 1h 38m. Beyond nonstop, 71 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 21 | E75L, E7W | 1h38-1h43 | Star Alliance | – | |
| AC Air Canada | 7 | E7W | 1h43 | Star Alliance | – | |
| CM Copa Airlines | 7 | E75L | 1h43 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Dulles from Louisville
| Metric | SDF→IAD | LEX→IAD | CVG→IAD |
|---|---|---|---|
| Distance from SDF | – | 62 mi | 84 mi |
| Nonstop airlines | 3 | 1 | 5 |
| Weekly flights | 35 | 1 | 86 |
| Flight time | 1h 38m | 0h 57m | 1h 28m |
| Departure OTP | 100% | – | – |
Travel Essentials
SDF: EDT · IAD: EDT
When it's 6:00 PM in Louisville, it's 6:00 PM in Dulles.
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.
SDF–IAD Quick Facts
Frequently Asked Questions
Flights from SDF to IAD
Louisville Muhammad Ali International Airport (SDF) and Washington Dulles International Airport (IAD) are connected by nonstop service from Air Canada, Copa Airlines and United Airlines. With 35 weekly departures, this is a heavily served route.
SDF to IAD Flight Duration and Schedule
Nonstop flight time from SDF to IAD ranges from 1 hours 38 minutes to 1 hours 43 minutes. The route covers a distance of 450 miles (725 km). There are approximately 35 weekly flights outbound and 21 return, totaling 56 flights per week in both directions.
Connecting Options and Alternatives
71 one-stop connections are available, with the fastest taking approximately 3 hours via BWI. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Lexington (LEX), Cincinnati / Covington (CVG) and Cincinnati (LUK).