
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $83 (Kiwi.com) |
One-way from | $28 (Kiwi.com) |
Popular in | April |
Cheapest in | August |
Average price | $314 |
Good round-trip deal | $80 or less |
Good one-way deal | $46 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Fri 7/10
12:00 pm-1:30 pm
Nonstop1h 30m
Blountville Tri Cities TN/VA
Mon 7/13
9:55 am-11:20 am
Nonstop1h 25m
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Fri 9/4
2:52 pm-4:22 pm
Nonstop1h 30m
Blountville Tri Cities TN/VA
Mon 9/7
12:47 pm-2:12 pm
Nonstop1h 25m
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Fri 7/17
12:00 pm-1:30 pm
Nonstop1h 30m
Blountville Tri Cities TN/VA
Mon 7/20
2:10 pm-12:47 pm
1 stop22h 37m
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Fri 7/10
12:00 pm-1:30 pm
Nonstop1h 30m
Blountville Tri Cities TN/VA
Mon 7/13
2:10 pm-12:47 pm
1 stop22h 37m
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Fri 7/24
12:00 pm-1:30 pm
Nonstop1h 30m
Blountville Tri Cities TN/VA
Mon 7/27
2:10 pm-4:40 pm
2 stops26h 30m
Washington, D.C.Knoxville
IAD - TYS
IADTYS
Washington, D.C. Dulles Intl
Tue 7/21
8:27 am-2:48 pm
1 stop6h 21m
Knoxville McGhee Tyson
Sat 7/25
6:00 am-10:00 am
1 stop4h 00m
Washington, D.C.Knoxville
IAD - TYS
IADTYS
Washington, D.C. Dulles Intl
Wed 7/22
9:00 am-10:42 am
Nonstop1h 42m
Knoxville McGhee Tyson
Wed 7/29
5:45 am-7:30 am
Nonstop1h 45m
Washington, D.C.Knoxville
IAD - TYS
IADTYS
Washington, D.C. Dulles Intl
Fri 7/31
5:46 pm-11:52 pm
1 stop6h 06m
Knoxville McGhee Tyson
Fri 8/7
4:38 pm-8:55 pm
1 stop4h 17m
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Fri 9/4
2:52 pm-4:22 pm
Nonstop1h 30m
Blountville Tri Cities TN/VA
Mon 9/7
5:02 pm-4:20 pm
2 stops23h 18m
Washington, D.C.Knoxville
IAD - TYS
IADTYS
Washington, D.C. Dulles Intl
Thu 9/10
10:15 pm-11:59 pm
Nonstop1h 44m
Knoxville McGhee Tyson
Sun 9/13
5:45 am-7:25 am
Nonstop1h 40m
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tennessee (average of $37). Flying from Washington, D.C. Dulles Intl Airport to Tennessee in September is currently the most expensive (average of $123). 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.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Tennessee in the evening. If you’re flexible enough to do this you can expect to save up to 58% on your trip compared to booking a flight in the morning.
The most flights from IAD to USTN are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Tennessee, you should look to book at least 80 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Tennessee flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Lisa,Mar 2026
ORF - JAX
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Lisa,Mar 2026
ORF - JAX
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Lisa,Mar 2026
ORF - JAX
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Lisa,Mar 2026
ORF - JAX
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Lisa,Mar 2026
ORF - JAX
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
Lisa,Mar 2026
ORF - JAX
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$118 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$60 | Average$98 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$114 | Average$363 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$211 | Average$371 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$270 | Average$430 | FlexibilityNo cancel fee | On-time71% |