
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $287 (United Airlines) |
One-way from | $114 (American Airlines) |
Popular in | June |
Cheapest in | January |
Average price | $545 |
Good round-trip deal | $382 or less |
Good one-way deal | $253 or less |
Fly from
Fly to
Route
Depart
Return
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 9/3
11:04 pm-7:07 am
Nonstop5h 03m
Washington, D.C. Dulles Intl
Tue 9/8
2:43 pm-9:31 pm
1 stop9h 48m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 9/17
9:35 pm-5:40 am
Nonstop5h 05m
Washington, D.C. Dulles Intl
Mon 9/21
7:00 am-9:37 am
Nonstop5h 37m
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Thu 8/6
7:20 am-3:21 pm
Nonstop5h 01m
Washington, D.C. Reagan-National
Wed 8/12
4:35 pm-7:41 pm
Nonstop6h 06m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 8/27
8:49 pm-6:14 pm
1 stop18h 25m
Washington, D.C. Dulles Intl
Mon 8/31
7:00 am-9:37 am
Nonstop5h 37m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Thu 8/6
11:20 pm-7:22 am
Nonstop5h 02m
Washington, D.C. Dulles Intl
Sat 8/22
6:00 pm-8:45 pm
Nonstop5h 45m
SeattleWashington, D.C.
SEA - IAD
SEAIAD
Seattle/Tacoma Intl
Wed 8/19
8:49 pm-6:14 pm
1 stop18h 25m
Washington, D.C. Dulles Intl
Tue 8/25
5:47 pm-8:34 pm
Nonstop5h 47m
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Thu 8/13
11:00 pm-12:20 pm
1 stop10h 20m
Washington, D.C. Reagan-National
Wed 8/19
10:45 am-6:10 pm
2 stops10h 25m
SeattleWashington, D.C.
SEA - DCA
SEADCA
Seattle/Tacoma Intl
Wed 9/2
5:20 am-3:45 pm
1 stop7h 25m
Washington, D.C. Reagan-National
Wed 9/2
6:40 pm-8:35 am
2 stops16h 55m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Wed 9/2
9:30 pm-5:50 am
Nonstop5h 20m
Philadelphia
Sat 9/5
3:55 pm-11:57 pm
1 stop11h 02m
SeattlePhiladelphia
SEA - PHL
SEAPHL
Seattle/Tacoma Intl
Fri 9/18
11:59 am-11:56 pm
1 stop8h 57m
Philadelphia
Sun 9/20
7:05 am-9:56 am
Nonstop5h 51m
Currently, December is the cheapest month in which you can book a flight from Seattle to Maryland (average of $89). Flying from Seattle to Maryland in February is currently the most expensive (average of $178). 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.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Maryland as you normally would.
The most flights from SEA to USMD are scheduled on a Tuesday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
To ensure you get the cheapest price possible for a flight from Seattle to Maryland, you should look to book at least 83 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.
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Anonymous,Jun 2026
SEA - RNO
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Anonymous,Jun 2026
SEA - RNO
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Anonymous,Jun 2026
SEA - RNO
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Anonymous,Jun 2026
SEA - RNO
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Anonymous,Jun 2026
SEA - RNO
Entertainment
Overall
Comfort
Crew
Boarding
Food
Reviews
Anonymous,Jun 2026
SEA - RNO
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$103 | Average$329 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$327 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$154 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$638 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$199 | Average$405 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$458 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$245 | Average$431 | FlexibilityNo cancel fee | On-time75% |