Alaska Airlines Seattle to Washington D.C. Flights

Cheapflightsplus.com will find cheap Alaska Airlines flights from Seattle to Washington D.C.. Compare airline ticket prices and book air tickets starting from $79 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Alaska Airlines, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — Washington D.C. (DC) by Alaska Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in october: one-way - $79, two-way – $135.
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Below is a detailed 2022 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
1:50 pm — 9:55 pm
1:50 pm — 9:55 pm AS2 Alaska Airlines
Seattle — Washington D.C.
5h 5m
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from$610
2:00 pm — 9:58 pm
2:00 pm — 9:58 pm AS2 Alaska Airlines
Seattle — Washington D.C.
4h 58m
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from$208
3:40 pm — 11:26 pm
3:40 pm — 11:26 pm AS198 Alaska Airlines
Seattle — Washington D.C.
4h 46m
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from$79
8:10 am — 3:56 pm
8:10 am — 3:56 pm AS1188 Alaska Airlines
Seattle — Washington D.C.
4h 46m
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from$79
0:45 am — 11:50 am
0:45 am — 6:50 am AS1010 Alaska Airlines
Seattle — Chicago
2h 10m stop
9:00 am — 11:50 am UA632 United Airlines
Chicago — Washington D.C.
8h 5m
including layover
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from$561
10:00 am — 12:23 pm
+1 day
10:00 am — 1:30 pm AS1474 Alaska Airlines
Seattle — Denver
17h 30m stop
7:00 am — 12:23 pm F9534 Frontier Airlines
Denver — Washington D.C.
23h 23m
including layover
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from$175
11:40 am — 10:44 pm
11:40 am — 5:30 pm AS420 Alaska Airlines
Seattle — Chicago
2h 15m stop
7:45 pm — 10:44 pm UA3550 United Airlines
Chicago — Washington D.C.
8h 4m
including layover
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from$206
12:25 pm — 11:40 pm
12:25 pm — 2:40 pm AS1076 Alaska Airlines
Seattle — San Francisco
1h 5m stop
3:45 pm — 11:40 pm AS1102 Alaska Airlines
San Francisco — Washington D.C.
8h 15m
including layover
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from$373
1:20 pm — 5:35 pm
+1 day
1:20 pm — 3:24 pm AS292 Alaska Airlines
Seattle — San Francisco
18h 6m stop
9:30 am — 5:35 pm AS1001 Alaska Airlines
San Francisco — Washington D.C.
25h 15m
including layover
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from$257
3:25 pm — 5:35 pm
+1 day
3:25 pm — 5:25 pm AS1354 Alaska Airlines
Seattle — San Francisco
16h 5m stop
9:30 am — 5:35 pm AS1001 Alaska Airlines
San Francisco — Washington D.C.
23h 10m
including layover
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from$161
4:55 pm — 6:09 am
+1 day
4:55 pm — 7:45 pm AS424 Alaska Airlines
Seattle — Los Angeles
2h 15m stop
10:00 pm — 6:09 am AS1114 Alaska Airlines
Los Angeles — Washington D.C.
10h 14m
including layover
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from$160
5:30 pm — 8:55 pm
+1 day
5:30 pm — 8:07 pm AS1094 Alaska Airlines
Seattle — Los Angeles
16h 58m stop
1:05 pm — 8:55 pm AS6 Alaska Airlines
Los Angeles — Washington D.C.
24h 25m
including layover
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from$161
6:35 pm — 9:29 am
+1 day
6:35 pm — 11:45 pm AS514 Alaska Airlines
Seattle — Minneapolis
6h 15m stop
6:00 am — 9:29 am AA4594 American Airlines
Minneapolis — Washington D.C.
11h 54m
including layover
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from$307
7:30 pm — 8:55 pm
+1 day
7:30 pm — 10:07 pm AS1196 Alaska Airlines
Seattle — Los Angeles
14h 58m stop
1:05 pm — 8:55 pm AS6 Alaska Airlines
Los Angeles — Washington D.C.
22h 25m
including layover
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from$161
9:30 am — 8:55 pm
9:30 am — 12:05 pm AS416 Alaska Airlines
Seattle — Los Angeles
1h stop
1:05 pm — 8:55 pm AS6 Alaska Airlines
Los Angeles — Washington D.C.
8h 25m
including layover
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from$154
2:05 pm — 9:29 am
+1 day
2:05 pm — 5:35 pm AS920 Alaska Airlines
Seattle — Denver
3h 15m stop
8:50 pm — 11:52 pm F9462 Frontier Airlines
Denver — Minneapolis
6h 8m stop
6:00 am — 9:29 am AA4594 American Airlines
Minneapolis — Washington D.C.
16h 24m
including layover
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from$207
8:00 pm — 10:30 pm
+1 day
8:00 pm — 9:46 pm AS2083 Alaska Airlines
Seattle — Reno
14h 4m stop
11:50 am — 2:55 pm WN1103 Southwest Airlines
Reno — Denver
2h 20m stop
5:15 pm — 10:30 pm WN618 Southwest Airlines
Denver — Washington D.C.
23h 30m
including layover
Find flight
from$296
*Departure and arrival times are local. Last updated on 09/29/2022

Flight Information

There are 7 flights by Alaska Airlines from Seattle to Washington D.C. every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Ronald Reagan and Dulles International.

Departures start from 0:45 am to 9:55 pm. Nonstop flight is 4h 46m. The time difference between Seattle and Washington D.C. is 3h.

  • The fastest flight 4h 46m
  • Average flight time 4h 58m
  • The earliest flight 0:45 am
  • The latest flight 9:55 pm
  • Distance 2321 ml

The cheapest flight by Alaska Airlines that our users were able to find is $79. This airfare is economy class on one-way AS198 flight for August 25, 2020 leaving Seattle-Tacoma Intl in Seattle at 3:40 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides Alaska Airlines there are other 7 airline carriers between Seattle and Washington D.C.. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to Washington D.C..

Nonstop flights

There are 10 direct flights every day from Seattle. Airlines and fares are below:

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Connecting Flights

List of flights with layovers (1 and more stops):

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How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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