
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $59 (Kiwi.com) |
One-way from | $30 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $368 |
Good round-trip deal | $63 or less |
Good one-way deal | $53 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Fri 4/17
2:58 pm-4:28 pm
Nonstop1h 30m
Blountville Tri Cities TN/VA
Mon 4/20
12:53 pm-2:18 pm
Nonstop1h 25m
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Fri 4/10
2:58 pm-4:28 pm
Nonstop1h 30m
Blountville Tri Cities TN/VA
Mon 4/13
5:08 pm-12:36 am
2 stops31h 28m
Washington, D.C.Knoxville
IAD - TYS
IADTYS
Washington, D.C. Dulles Intl
Tue 4/14
7:06 am-11:17 am
1 stop4h 11m
Knoxville McGhee Tyson
Tue 4/21
4:38 pm-8:52 pm
1 stop4h 14m
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Fri 8/7
5:25 pm-10:26 pm
1 stop5h 01m
Blountville Tri Cities TN/VA
Mon 8/10
6:55 pm-12:10 am
1 stop5h 15m
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Fri 4/3
2:58 pm-4:28 pm
Nonstop1h 30m
Blountville Tri Cities TN/VA
Sun 4/5
3:42 pm-2:13 pm
2 stops22h 31m
Washington, D.C.Nashville
IAD - BNA
IADBNA
Washington, D.C. Dulles Intl
Tue 4/14
5:47 pm-6:56 pm
Nonstop2h 09m
Nashville Intl
Thu 4/16
6:35 pm-9:25 pm
Nonstop1h 50m
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Sun 5/24
6:08 am-12:56 pm
1 stop6h 48m
Blountville Tri Cities TN/VA
Wed 6/3
7:41 pm-12:51 am
1 stop5h 10m
Washington, D.C.Blountville
IAD - TRI
IADTRI
Washington, D.C. Dulles Intl
Tue 5/26
10:11 am-3:00 pm
1 stop4h 49m
Blountville Tri Cities TN/VA
Wed 6/3
3:50 pm-9:24 pm
1 stop5h 34m
Washington, D.C.Knoxville
IAD - TYS
IADTYS
Washington, D.C. Dulles Intl
Thu 6/11
10:10 pm-11:54 pm
Nonstop1h 44m
Knoxville McGhee Tyson
Sat 6/13
5:45 am-7:30 am
Nonstop1h 45m
Washington, D.C.Nashville
IAD - BNA
IADBNA
Washington, D.C. Dulles Intl
Sat 4/11
1:10 pm-5:29 pm
1 stop5h 19m
Nashville Intl
Sat 4/18
6:35 pm-9:25 pm
Nonstop1h 50m
Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Tennessee (average of $45). Flying from Washington, D.C. Dulles Intl Airport to Tennessee in September is currently the most expensive (average of $202). 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 56% on your trip compared to booking a flight in the morning.
Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Tennessee flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from IAD to USTN are scheduled on a Thursday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Justine,Jan 2026
RDU - MCO
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Justine,Jan 2026
RDU - MCO
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Justine,Jan 2026
RDU - MCO
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Justine,Jan 2026
RDU - MCO
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Justine,Jan 2026
RDU - MCO
Comfort
Entertainment
Overall
Food
Boarding
Crew
Reviews
Justine,Jan 2026
RDU - MCO
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$42 | Average$94 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$60 | Average$89 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$78 | Average$313 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$174 | Average$353 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$410 | FlexibilityNo cancel fee | On-time71% |