HK$1,042+ Direct flights from Washington, D.C. Reagan-National Airport
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17-11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
Direct flights from Reagan-National
Cheapest flights from Reagan-NationalExplore the most affordable flight options available from Reagan-National. Find the lowest fares based on data from user searches, with prices last updated on 18 September 2025.
Explore the most affordable flight options available from Reagan-National. Find the lowest fares based on data from user searches, with prices last updated on 18 September 2025.
Find direct flights from Reagan-National within your budget
Fly to
Route
Departure
Return
Price
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Wed 19-11
08:00-11:03
Nonstop6h 03m
Seattle/Tacoma Intl
Fri 5-12
13:56-21:59
Nonstop5h 03m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Sat 10-1
17:30-20:25
Nonstop5h 55m
Seattle/Tacoma Intl
Wed 28-1
08:00-16:15
Nonstop5h 15m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Sat 10-1
17:30-20:25
Nonstop5h 55m
Seattle/Tacoma Intl
Mon 26-1
13:45-21:55
Nonstop5h 10m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Tue 13-1
08:00-10:55
Nonstop5h 55m
Seattle/Tacoma Intl
Wed 28-1
13:45-21:55
Nonstop5h 10m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Wed 19-11
08:00-11:03
Nonstop6h 03m
Seattle/Tacoma Intl
Thu 4-12
13:56-21:59
Nonstop5h 03m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Sat 10-1
17:30-20:25
Nonstop5h 55m
Seattle/Tacoma Intl
Sat 31-1
08:00-16:15
Nonstop5h 15m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Tue 3-2
17:30-20:25
Nonstop5h 55m
Seattle/Tacoma Intl
Tue 10-2
13:45-21:55
Nonstop5h 10m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Wed 14-1
17:30-20:25
Nonstop5h 55m
Seattle/Tacoma Intl
Fri 30-1
08:00-16:15
Nonstop5h 15m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Tue 18-11
08:00-11:03
Nonstop6h 03m
Seattle/Tacoma Intl
Thu 27-11
08:00-16:06
Nonstop5h 06m
Washington, D.C.Seattle
DCA - SEA
DCASEA
Washington, D.C. Reagan-National
Sat 10-1
17:30-20:25
Nonstop5h 55m
Seattle/Tacoma Intl
Tue 27-1
08:00-16:15
Nonstop5h 15m