Seattle/Tacoma Intl
Washington, D.C. Dulles Intl
Nonstop
4h 59mAlaska Airlines
Los Angeles
Washington, D.C. Dulles Intl
Nonstop
5h 01mAlaska Airlines
Los Angeles
Washington, D.C. Dulles Intl
Nonstop
5h 01mAlaska Airlines
San Francisco
Washington, D.C. Dulles Intl
1 stop
21h 40mAlaska Airlines
Los Angeles
Washington, D.C. Dulles Intl
Nonstop
5h 05mAlaska Airlines
San Francisco
Washington, D.C. Dulles Intl
1 stop
7h 37mAlaska Airlines
Los Angeles
Washington, D.C. Dulles Intl
Nonstop
5h 00mWashington, D.C. Dulles Intl
Los Angeles
Nonstop
5h 24mAlaska Airlines
Los Angeles
Washington, D.C. Dulles Intl
Nonstop
5h 00mWashington, D.C. Dulles Intl
Los Angeles
Nonstop
5h 24mAlaska Airlines
Los Angeles
Washington, D.C. Dulles Intl
Nonstop
5h 01mWashington, D.C. Dulles Intl
Los Angeles
Nonstop
5h 23mAlaska Airlines
Los Angeles
Washington, D.C. Dulles Intl
Nonstop
5h 01mWashington, D.C. Dulles Intl
Los Angeles
Nonstop
5h 27mAlaska Airlines
San Francisco
Washington, D.C. Dulles Intl
Nonstop
5h 10mWashington, D.C. Dulles Intl
San Francisco
1 stop
16h 24mAlaska Airlines
San Francisco
Washington, D.C. Dulles Intl
Nonstop
5h 10mWashington, D.C. Dulles Intl
San Francisco
Nonstop
5h 52mAlaska Airlines
January
$974
February
$1,478
March
$749
April
$582
May
$1,153
June
$1,292
July
$1,049
August
$967
September
$303
October
$1,108
November
$652
December
$1,055
Currently, the cheapest month for business class flights to Washington, D.C. Dulles Intl is September. The most expensive month for business class flights is February. The cheapest prices are shown above but prices will vary according to departure times, airlines, and how early you book.