Dulles to Knoxville/Maryville (IAD–TYS) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
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 45m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: AV, CM, ET, SN | 36 | CR5, E145, E75L, E7W, ERJ | 1h37-1h48 | Star Alliance | AV, CM, ET, SN | |
| G4 Allegiant Air | 2 | 320 | 1h26 | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
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 | 4 | 4 |
| Weekly flights | 80 | 50 | 12 |
| Flight time | 1h 45m | 1h 8m | 1h 40m |
| Departure OTP | 50% | – | – |
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 United Airlines and Allegiant Air. With 80 weekly departures, this is a heavily served route.
IAD to TYS Flight Duration and Schedule
Nonstop flight time from IAD to TYS is about 1 hours 45 minutes gate to gate. The route covers a distance of 419 miles (674 km). There are approximately 80 weekly flights outbound and 108 return, totaling 188 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Charlotte Douglas, Hartsfield Jackson Atlanta and Nashville. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA), Baltimore (BWI) and Hagerstown (HGR).