All airlines flying from Knoxville (TYS) to Dulles, Washington (IAD).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:55 Knoxville (TYS) 11:40 Dulles, Washington (IAD)
Air Canada AC 4744 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 4325)
Daily 09:55 Knoxville (TYS) 11:36 Dulles, Washington (IAD)
Air Canada AC 4744 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 4325)
Daily 09:55 Knoxville (TYS) 11:35 Dulles, Washington (IAD)
Air Canada AC 4744 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:40 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 4325)
Daily 09:55 Knoxville (TYS) 11:38 Dulles, Washington (IAD)
Air Canada AC 4744 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 4325)
Daily 10:16 Knoxville (TYS) 11:41 Dulles, Washington (IAD)
Air Canada AC 4744 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:25 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 4325)
Daily 14:20 Knoxville (TYS) 16:05 Dulles, Washington (IAD)
Lufthansa LH 8721 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 4848)
Daily 14:20 Knoxville (TYS) 16:03 Dulles, Washington (IAD)
Lufthansa LH 8721 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 4848)
Daily 14:25 Knoxville (TYS) 16:06 Dulles, Washington (IAD)
Lufthansa LH 8721 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 4848)
Daily 14:30 Knoxville (TYS) 16:06 Dulles, Washington (IAD)
Lufthansa LH 8721 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 4848)
Daily 14:55 Knoxville (TYS) 16:25 Dulles, Washington (IAD)
Lufthansa LH 8721 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 4848)
Daily 14:20 Knoxville (TYS) 16:05 Dulles, Washington (IAD)
Brussels Airlines SN 8958 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 4848)
Daily 14:20 Knoxville (TYS) 16:03 Dulles, Washington (IAD)
Brussels Airlines SN 8958 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 4848)
Daily 14:25 Knoxville (TYS) 16:06 Dulles, Washington (IAD)
Brussels Airlines SN 8958 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 4848)
Daily 14:30 Knoxville (TYS) 16:06 Dulles, Washington (IAD)
Brussels Airlines SN 8958 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 4848)
Daily 14:55 Knoxville (TYS) 16:25 Dulles, Washington (IAD)
Brussels Airlines SN 8958 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 4848)
Sat,Sun 18:58 Knoxville (TYS) 20:33 Dulles, Washington (IAD)
Lufthansa LH 9329 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2025-06-28 through 2025-08-17
Codeshare flight, operated by United Airlines.(UA 4324)
Mon,Wed,Thu,Sat,Sun 19:10 Knoxville (TYS) 20:53 Dulles, Washington (IAD)
Lufthansa LH 9329 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-10-26 through 2025-12-01
Codeshare flight, operated by United Airlines.(UA 4324)
Mon,Wed,Thu,Sat,Sun 19:10 Knoxville (TYS) 20:53 Dulles, Washington (IAD)
Lufthansa LH 9329 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by United Airlines.(UA 4324)
Daily 19:25 Knoxville (TYS) 21:03 Dulles, Washington (IAD)
Lufthansa LH 9329 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:38 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 4324)
Daily 19:25 Knoxville (TYS) 21:08 Dulles, Washington (IAD)
Lufthansa LH 9329 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 4324)
Mon-Fri 19:35 Knoxville (TYS) 21:10 Dulles, Washington (IAD)
Lufthansa LH 9329 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2025-06-26 through 2025-07-03
Codeshare flight, operated by United Airlines.(UA 4324)
Mon-Fri 19:35 Knoxville (TYS) 21:10 Dulles, Washington (IAD)
Lufthansa LH 9329 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:35 Effective 2025-07-07 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 4324)
Mon,Tue,Thu,Sat,Sun 09:55 Knoxville (TYS) 11:40 Dulles, Washington (IAD)
Lufthansa LH 9351 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:45 Valid until 2025-05-20
Codeshare flight, operated by United Airlines.(UA 4325)
Mon,Tue,Thu,Sat,Sun 09:55 Knoxville (TYS) 11:36 Dulles, Washington (IAD)
Lufthansa LH 9351 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Effective 2025-05-22 through 2025-06-24
Codeshare flight, operated by United Airlines.(UA 4325)
Mon,Tue,Thu,Sat,Sun 09:55 Knoxville (TYS) 11:35 Dulles, Washington (IAD)
Lufthansa LH 9351 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:40 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 4325)
Mon,Tue,Thu,Sat,Sun 09:55 Knoxville (TYS) 11:38 Dulles, Washington (IAD)
Lufthansa LH 9351 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:43 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 4325)
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All airlines flying from Knoxville (TYS) to Dulles, Washington (IAD).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4325)
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4325)
Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4325)
Duration: 1:40, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4325)
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4325)
Duration: 1:25, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4848)
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4848)
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4848)
Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4848)
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4848)
Duration: 1:30, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4848)
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4848)
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4848)
Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4848)
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4848)
Duration: 1:30, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-06-28 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4324)
Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-10-26 through 2025-12-01
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4324)
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-12-18 through 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4324)
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4324)
Duration: 1:38, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4324)
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4324)
Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-07-07 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4324)
Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Valid until 2025-05-20
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4325)
Duration: 1:45, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-05-22 through 2025-06-24
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4325)
Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4325)
Duration: 1:40, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4325)
Duration: 1:43, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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  • A domestic route departing from the Knoxville airport (TYS) and arriving at Dulles, Washington airport (IAD).
  • The flight distance is 419 miles, or 675 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:25 and 1:45.