Flights from Washington Dulles to Seattle

IADSEA

Washington Dulles International Airport (Dulles, United States) → Seattle–Tacoma International Airport (Seattle, United States)

Nonstop
5h 45m
Distance
3,702 km
Frequency
7×/week
Airlines
Alaska Airlines, Delta Air Lines, United Airlines
Book on Aviasales

Weekly schedule

Monday

  • AS40906:03→08:485h 45mAlaska Airlines
  • DL101507:10→09:555h 45mDelta Air Lines
  • UA210109:00→11:515h 51mUnited Airlines
  • AS36109:30→12:165h 46mAlaska Airlines
  • UA224113:10→15:555h 45mUnited Airlines
  • UA32617:55→20:465h 51mUnited Airlines
  • AS73718:14→21:095h 55mAlaska Airlines

Tuesday

  • AS40906:03→08:485h 45mAlaska Airlines
  • DL101507:10→09:555h 45mDelta Air Lines
  • UA210109:00→11:515h 51mUnited Airlines
  • AS36109:30→12:165h 46mAlaska Airlines
  • UA224113:10→15:555h 45mUnited Airlines
  • UA279913:20→16:065h 46mUnited Airlines
  • UA32617:55→20:465h 51mUnited Airlines
  • AS73718:14→21:095h 55mAlaska Airlines

Wednesday

  • AS40906:03→08:485h 45mAlaska Airlines
  • DL101507:10→09:555h 45mDelta Air Lines
  • UA210109:00→11:515h 51mUnited Airlines
  • AS36109:30→12:165h 46mAlaska Airlines
  • UA224113:10→15:555h 45mUnited Airlines
  • UA279913:20→16:065h 46mUnited Airlines
  • UA32617:55→20:465h 51mUnited Airlines
  • UA112818:00→20:455h 45mUnited Airlines
  • AS73718:14→21:095h 55mAlaska Airlines

Thursday

  • AS40906:03→08:485h 45mAlaska Airlines
  • DL101507:10→09:555h 45mDelta Air Lines
  • UA210109:00→11:515h 51mUnited Airlines
  • AS36109:30→12:165h 46mAlaska Airlines
  • UA224113:10→15:555h 45mUnited Airlines
  • UA32617:55→20:465h 51mUnited Airlines
  • AS73718:14→21:095h 55mAlaska Airlines

Friday

  • AS40906:03→08:485h 45mAlaska Airlines
  • DL101507:10→09:555h 45mDelta Air Lines
  • UA210109:00→11:515h 51mUnited Airlines
  • AS36109:30→12:165h 46mAlaska Airlines
  • UA224113:10→15:555h 45mUnited Airlines
  • UA32617:55→20:465h 51mUnited Airlines
  • AS73718:14→21:095h 55mAlaska Airlines

Saturday

  • AS40906:03→08:485h 45mAlaska Airlines
  • DL101507:10→09:555h 45mDelta Air Lines
  • UA210109:00→11:515h 51mUnited Airlines
  • AS36109:30→12:165h 46mAlaska Airlines
  • UA224113:10→15:555h 45mUnited Airlines
  • AS73718:14→21:095h 55mAlaska Airlines

Sunday

  • AS40906:03→08:485h 45mAlaska Airlines
  • DL101507:10→09:555h 45mDelta Air Lines
  • UA210109:00→11:515h 51mUnited Airlines
  • AS36109:30→12:165h 46mAlaska Airlines
  • UA224113:10→15:555h 45mUnited Airlines
  • UA32617:55→20:465h 51mUnited Airlines
  • AS73718:14→21:095h 55mAlaska Airlines

Washington Dulles to Seattle — frequently asked

How long is the flight from Washington Dulles to Seattle?
IAD–SEA is 5h 45m nonstop, covering 3,702 km (2,300 mi).
Which airlines fly nonstop from Washington Dulles to Seattle?
Alaska Airlines, Delta Air Lines, United Airlines operate this route nonstop.
How often do flights run from Washington Dulles to Seattle?
The route is served 7 days a week (51 scheduled departures).