Dulles to Knoxville/Maryville (IAD–TYS) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAD–TYS is served by 2 airlines with nonstop service. United Airlines and Allegiant Air lead the route. The flight covers 419 miles in approximately 1h 32m. Beyond nonstop, 128 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: AV, CM, ET, SN | 42 | E145, E7W, ERJ | 1h37-1h52 | Star Alliance | AV, CM, ET, SN | |
| G4 Allegiant Air | 5 | 320 | 1h32-1h40 | – | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Knoxville/Maryville from Dulles
| Metric | IAD→TYS | DCA→TYS | BWI→TYS |
|---|---|---|---|
| Distance from IAD | – | 23 mi | 45 mi |
| Nonstop airlines | 2 | 2 | 1 |
| Weekly flights | 90 | 44 | 8 |
| Flight time | 1h 32m | 1h 44m | 1h 45m |
| Departure OTP | 75% | – | – |
Travel Essentials
IAD: EDT · TYS: EDT
When it's 6:00 PM in Dulles, it's 6:00 PM in Knoxville/Maryville.
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).
IAD–TYS Quick Facts
Frequently Asked Questions
Flights from IAD to TYS
Washington Dulles International Airport (IAD) and McGhee Tyson Airport (TYS) are connected by nonstop service from Allegiant Air and United Airlines. With 90 weekly departures, this is a heavily served route.
IAD to TYS Flight Duration and Schedule
Nonstop flight time from IAD to TYS ranges from 1 hours 32 minutes to 1 hours 52 minutes. The route covers a distance of 419 miles (674 km). There are approximately 90 weekly flights outbound and 80 return, totaling 170 flights per week in both directions.
Connecting Options and Alternatives
128 one-stop connections are available, with the fastest taking approximately 2 hours via MQY. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA), Baltimore (BWI) and Hagerstown (HGR).