Flights from Seattle to Reagan

SEADCA

Seattle–Tacoma International Airport (Seattle, United States) → Ronald Reagan Washington National Airport (Washington, United States)

Nonstop
5h 2m
Distance
3,738 km
Frequency
7×/week
One-way from
$170
Airlines
Alaska Airlines, Delta Air Lines
Book on Aviasales

Fares by month

One-way, per person

Lowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.

Weekly schedule

Monday

  • DL78607:20→15:235h 3mDelta Air Lines
  • AS408:00→16:205h 20mAlaska Airlines
  • AS213:57→21:595h 2mAlaska Airlines

Tuesday

  • DL78607:20→15:235h 3mDelta Air Lines
  • AS408:00→16:205h 20mAlaska Airlines
  • AS213:57→21:595h 2mAlaska Airlines

Wednesday

  • DL78607:20→15:235h 3mDelta Air Lines
  • AS408:00→16:205h 20mAlaska Airlines
  • AS213:57→21:595h 2mAlaska Airlines

Thursday

  • DL78607:20→15:235h 3mDelta Air Lines
  • AS408:00→16:205h 20mAlaska Airlines
  • AS213:57→21:595h 2mAlaska Airlines

Friday

  • DL78607:20→15:235h 3mDelta Air Lines
  • AS408:00→16:205h 20mAlaska Airlines
  • AS213:57→21:595h 2mAlaska Airlines

Saturday

  • DL78607:20→15:235h 3mDelta Air Lines
  • AS408:00→16:205h 20mAlaska Airlines
  • AS213:57→21:595h 2mAlaska Airlines

Sunday

  • DL78607:20→15:236h 3mDelta Air Lines
  • AS408:00→16:206h 20mAlaska Airlines
  • AS213:57→21:595h 2mAlaska Airlines

Seattle to Reagan — frequently asked

How long is the flight from Seattle to Reagan?
SEA–DCA is 5h 2m nonstop, covering 3,738 km (2,323 mi).
Which airlines fly nonstop from Seattle to Reagan?
Alaska Airlines, Delta Air Lines operate this route nonstop.
How much is a flight from Seattle to Reagan?
One-way fares on SEA–DCA recently started from $170. The lowest recent fare is for travel in December 2026. Fares change daily, so check current prices before booking.
How often do flights run from Seattle to Reagan?
The route is served 7 days a week (21 scheduled departures).