Skip to content

Get United's best fares today on flights from Washington to Knoxville from

Select journey type

Enter to select travel class and passengers

Low fare calendar for flights from Washington (IAD) to Knoxville (TYS)

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
No available fares
23
No available fares
24
No available fares
25
from
$331*
Viewed:14 hours ago
Economy
Return date11/25/19
26
No available fares
27
from
$276*
Viewed:18 hours ago
Economy
Return date12/04/19
28
No available fares
29
No available fares
30
No available fares
Lowest PriceToday
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Looking for additional flights from Washington to Knoxville?

FromToDatesFare TypePrice

Washington (IAD)

Knoxville (TYS)

Depart: 12/13/19

Return date 12/13/19

Roundtrip
from
$261*
Viewed:12hoursago

Washington (IAD)

Knoxville (TYS)

Depart: 12/03/19

Return date 12/06/19

Roundtrip
from
$473*
Viewed:13hoursago

Washington (IAD)

Knoxville (TYS)

Depart: 01/19/20

Return date 01/31/20

Roundtrip
from
$267*
Viewed:14hoursago

Washington (IAD)

Knoxville (TYS)

Depart: 12/08/19

Return date 12/17/19

Roundtrip
from
$276*
Viewed:14hoursago

Washington (IAD)

Knoxville (TYS)

Depart: 01/08/20

Return date 01/19/20

Roundtrip
from
$337*
Viewed:10hoursago

Washington (IAD)

Knoxville (TYS)

Depart: 12/05/19

Return date 12/08/19

Roundtrip
from
$723*
Viewed:11hoursago

Washington (IAD)

Knoxville (TYS)

Depart: 11/25/19

Return date 11/25/19

Roundtrip
from
$331*
Viewed:11hoursago

Washington (IAD)

Knoxville (TYS)

Depart: 02/29/20

Return date 03/07/20

Roundtrip
from
$267*
Viewed:9hoursago

Washington (IAD)

Knoxville (TYS)

Depart: 03/01/20

Return date 03/08/20

Roundtrip
from
$276*
Viewed:9hoursago

Washington (IAD)

Knoxville (TYS)

Depart: 02/29/20

Return date 03/14/20

Roundtrip
from
$267*
Viewed:9hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Knoxville

Thursday overcast clouds
54°F 11/21/19
Friday moderate rain
53°F 11/22/19
Saturday heavy intensity rain
58°F 11/23/19
Sunday broken clouds
43°F 11/24/19
Monday few clouds
52°F 11/25/19
Tuesday moderate rain
57°F 11/26/19
Wednesday light rain
50°F 11/27/19
Powered by: OpenWeatherMap.org