
Most accurate provider | eDreams 3 stars  | 
|---|---|
Most trusted provider | eDreams 3 stars  | 
Round-trip from | $139 (Mytrip)  | 
One-way from | $95 (American Airlines)  | 
Popular in | July | 
Cheapest in | August | 
Average price | $269 | 
Good round-trip deal | $254 or less | 
Good one-way deal | $218 or less | 
Fly from
Fly to
Route
Depart
Return
Price
KnoxvilleWashington, D.C.
TYS - DCA
TYSDCA
Knoxville McGhee Tyson
Mon 12/8
4:52 pm-1:06 pm
1 stop20h 14m
Washington, D.C. Reagan-National
Thu 12/11
8:00 am-3:57 pm
1 stop7h 57m
KnoxvilleWashington, D.C.
TYS - DCA
TYSDCA
Knoxville McGhee Tyson
Sat 12/6
6:00 am-7:48 am
Nonstop1h 48m
Washington, D.C. Reagan-National
Wed 12/10
9:03 am-10:50 am
Nonstop1h 47m
KnoxvilleWashington, D.C.
TYS - DCA
TYSDCA
Knoxville McGhee Tyson
Thu 11/20
4:18 pm-5:59 pm
Nonstop1h 41m
Washington, D.C. Reagan-National
Thu 11/27
8:57 am-10:50 am
Nonstop1h 53m
KnoxvilleWashington, D.C.
TYS - DCA
TYSDCA
Knoxville McGhee Tyson
Fri 1/16
5:25 pm-11:10 pm
1 stop5h 45m
Washington, D.C. Reagan-National
Tue 1/20
11:00 am-4:19 pm
1 stop5h 19m
KnoxvilleWashington, D.C.
TYS - DCA
TYSDCA
Knoxville McGhee Tyson
Wed 12/10
5:40 am-9:10 am
1 stop3h 30m
Washington, D.C. Reagan-National
Sat 1/17
9:00 am-3:11 pm
1 stop6h 11m
KnoxvilleWashington, D.C.
TYS - DCA
TYSDCA
Knoxville McGhee Tyson
Thu 12/11
2:37 pm-6:26 pm
1 stop3h 49m
Washington, D.C. Reagan-National
Sun 12/14
7:59 am-2:52 pm
1 stop6h 53m
KnoxvilleWashington, D.C.
TYS - DCA
TYSDCA
Knoxville McGhee Tyson
Sat 12/6
8:35 am-3:00 pm
1 stop6h 25m
Washington, D.C. Reagan-National
Wed 12/10
6:00 am-9:38 am
1 stop3h 38m
KnoxvilleWashington, D.C.
TYS - DCA
TYSDCA
Knoxville McGhee Tyson
Wed 12/10
6:05 am-11:00 am
1 stop4h 55m
Washington, D.C. Reagan-National
Sat 1/17
8:47 am-10:49 am
Nonstop2h 02m
KnoxvilleWashington, D.C.
TYS - DCA
TYSDCA
Knoxville McGhee Tyson
Fri 11/14
6:06 am-7:49 am
Nonstop1h 43m
Washington, D.C. Reagan-National
Mon 11/17
7:49 pm-9:34 pm
Nonstop1h 45m
KnoxvilleWashington, D.C.
TYS - DCA
TYSDCA
Knoxville McGhee Tyson
Thu 11/13
6:06 am-7:49 am
Nonstop1h 43m
Washington, D.C. Reagan-National
Tue 11/18
8:57 am-10:52 am
Nonstop1h 55m
| Provider | Price Accuracy | Trust Score* | 
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | 
The best time to book flights from Knoxville to Washington, D.C. Reagan-National Airport is 59 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, May is the cheapest month in which you can book a flight from Knoxville to Washington, D.C. Reagan-National Airport (average of $150). Flying from Knoxville to Washington, D.C. Reagan-National Airport in October is currently the most expensive (average of $229). 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 Knoxville to Washington, D.C. Reagan-National Airport in the afternoon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight at noon.
Food
Overall
Entertainment
Crew
Boarding
Comfort
Reviews
Jeremy,Sep 2025
SAN - PHL
Food
Overall
Entertainment
Crew
Boarding
Comfort
Reviews
Jeremy,Sep 2025
SAN - PHL
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$189 | Average$295 | FlexibilityNo cancel fee | On-time71% |