
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $199 (Southwest) |
One-way from | $100 (American Airlines) |
Popular in | April |
Cheapest in | August |
Average price | $854 |
Fly from
Fly to
Route
Depart
Return
SeattlePittsburgh
SEA - PIT
SEAPIT
Seattle/Tacoma Intl
Wed 4/1
5:30 am-3:15 pm
1 stop6h 45m
Pittsburgh
Mon 4/6
6:25 pm-1:40 am
2 stops10h 15m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 4/15
8:00 am-4:11 pm
Nonstop5h 11m
Washington, D.C. Dulles Intl
Mon 4/20
5:26 pm-12:34 am
1 stop10h 08m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Sat 4/18
12:54 pm-11:34 pm
1 stop7h 40m
Washington, D.C. Dulles Intl
Sat 4/25
8:23 am-2:46 pm
1 stop9h 23m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Tue 5/19
8:10 am-4:22 pm
Nonstop5h 12m
Washington, D.C. Dulles Intl
Sun 5/24
5:55 pm-8:46 pm
Nonstop5h 51m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Tue 3/24
9:40 pm-5:40 am
Nonstop5h 00m
Washington, D.C. Dulles Intl
Tue 4/7
7:11 pm-10:02 pm
Nonstop5h 51m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Sun 5/10
10:41 pm-6:50 am
Nonstop5h 09m
Washington, D.C. Dulles Intl
Sat 5/16
6:40 pm-1:12 am
1 stop9h 32m
SeattlePittsburgh
SEA - PIT
SEAPIT
Seattle/Tacoma Intl
Fri 4/24
5:30 am-3:25 pm
1 stop6h 55m
Pittsburgh
Fri 5/1
1:35 pm-11:30 pm
2 stops12h 55m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 4/1
8:00 am-4:11 pm
Nonstop5h 11m
Washington, D.C. Dulles Intl
Tue 4/14
5:55 pm-8:53 pm
Nonstop5h 58m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Sat 3/28
9:40 pm-5:40 am
Nonstop5h 00m
Washington, D.C. Dulles Intl
Wed 4/8
7:00 am-9:53 am
Nonstop5h 53m
SeattlePittsburgh
SEA - PIT
SEAPIT
Seattle/Tacoma Intl
Wed 3/18
5:30 am-4:27 pm
1 stop7h 57m
Pittsburgh
Thu 3/19
6:30 am-10:33 am
1 stop7h 03m
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
Crew
Comfort
Boarding
Overall
Food
Entertainment
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$298 | Average$493 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$317 | Average$542 | FlexibilityNo cancel fee | On-time69% |