
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $82 (Kiwi.com) |
One-way from | $41 (Kiwi.com) |
Popular in | April |
Cheapest in | February |
Average price | $194 |
Good round-trip deal | $119 or less |
Good one-way deal | $66 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Knoxville
IAD - TYS
IADTYS
Washington, D.C. Dulles Intl
Thu 3/12
9:04 am-10:44 am
Nonstop1h 40m
Knoxville McGhee Tyson
Sun 3/15
6:30 am-8:14 am
Nonstop1h 44m
Washington, D.C.Knoxville
IAD - TYS
IADTYS
Washington, D.C. Dulles Intl
Sun 3/15
9:04 am-10:44 am
Nonstop1h 40m
Knoxville McGhee Tyson
Sun 3/22
6:12 pm-7:56 pm
Nonstop1h 44m
Washington, D.C.Knoxville
IAD - TYS
IADTYS
Washington, D.C. Dulles Intl
Tue 3/17
12:55 pm-2:50 pm
Nonstop1h 55m
Knoxville McGhee Tyson
Tue 3/24
9:40 am-11:26 am
Nonstop1h 46m
BaltimoreKnoxville
BWI - TYS
BWITYS
Baltimore/Washington
Tue 3/24
7:25 pm-9:10 pm
Nonstop1h 45m
Knoxville McGhee Tyson
Wed 3/25
7:50 am-9:35 am
Nonstop1h 45m
BaltimoreKnoxville
BWI - TYS
BWITYS
Baltimore/Washington
Tue 4/7
10:00 am-5:10 pm
1 stop7h 10m
Knoxville McGhee Tyson
Wed 4/8
8:15 am-10:00 am
Nonstop1h 45m
BaltimoreKnoxville
BWI - TYS
BWITYS
Baltimore/Washington
Wed 3/18
7:25 pm-9:10 pm
Nonstop1h 45m
Knoxville McGhee Tyson
Wed 3/25
7:50 am-9:35 am
Nonstop1h 45m
BaltimoreKnoxville
BWI - TYS
BWITYS
Baltimore/Washington
Mon 4/13
7:30 pm-9:15 pm
Nonstop1h 45m
Knoxville McGhee Tyson
Wed 4/15
8:15 am-10:00 am
Nonstop1h 45m
BaltimoreKnoxville
BWI - TYS
BWITYS
Baltimore/Washington
Tue 4/7
7:05 pm-8:50 pm
Nonstop1h 45m
Knoxville McGhee Tyson
Sat 4/11
7:45 am-9:30 am
Nonstop1h 45m
BaltimoreKnoxville
BWI - TYS
BWITYS
Baltimore/Washington
Tue 3/17
7:25 pm-9:10 pm
Nonstop1h 45m
Knoxville McGhee Tyson
Tue 3/24
6:35 am-4:35 pm
2 stops10h 00m
Washington, D.C.Knoxville
IAD - TYS
IADTYS
Washington, D.C. Dulles Intl
Tue 3/10
7:18 am-11:17 am
1 stop3h 59m
Knoxville McGhee Tyson
Tue 3/24
5:40 am-9:10 am
1 stop3h 30m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Washington, D.C. to Knoxville is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Knoxville (average of $45). Flying from Washington, D.C. to Knoxville in February is currently the most expensive (average of $80). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Washington, D.C. to Knoxville in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Washington, D.C. to Knoxville flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to TYS are scheduled on a Thursday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
Crew
Food
Comfort
Entertainment
Overall
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Food
Comfort
Entertainment
Overall
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Food
Comfort
Entertainment
Overall
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Food
Comfort
Entertainment
Overall
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$42 | Average$86 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$162 | Average$283 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$187 | Average$367 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$189 | Average$314 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$209 | Average$247 | FlexibilityNo cancel fee | On-time63% |