United Airlines Seattle to Washington D.C. Flights

Cheapflightsplus.com will find cheap United Airlines flights from Seattle to Washington D.C.. Compare airline ticket prices and book air tickets starting from $185 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — Washington D.C. (DC) by United 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 december: one-way - $185, two-way – $317.
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Below is a detailed 2024 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
11:15 pm — 7:07 am
+1 day
11:15 pm — 7:07 am UA1810 United Airlines
Seattle — Washington D.C.
4h 52m
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from$222
8:05 am — 4:03 pm
8:05 am — 4:03 pm UA1360 United Airlines
Seattle — Washington D.C.
4h 58m
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from$220
8:10 am — 4:09 pm
8:10 am — 4:09 pm UA1102 United Airlines
Seattle — Washington D.C.
4h 59m
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from$279
11:05 am — 9:01 pm
11:05 am — 5:10 pm UA747 United Airlines
Seattle — Chicago
58m stop
6:08 pm — 9:01 pm UA444 United Airlines
Chicago — Washington D.C.
6h 56m
including layover
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from$190
11:59 pm — 11:59 am
+1 day
11:59 pm — 6:00 am UA2019 United Airlines
Seattle — Chicago
3h stop
9:00 am — 11:59 am UA1414 United Airlines
Chicago — Washington D.C.
9h
including layover
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from$190
12:35 pm — 11:30 pm
12:35 pm — 4:17 pm UA1483 United Airlines
Seattle — Denver
1h 53m stop
6:10 pm — 11:30 pm UA2408 United Airlines
Denver — Washington D.C.
7h 55m
including layover
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from$190
12:50 pm — 0:29 am
+1 day
12:50 pm — 3:09 pm UA1509 United Airlines
Seattle — San Francisco
1h 11m stop
4:20 pm — 0:29 am UA375 United Airlines
San Francisco — Washington D.C.
8h 39m
including layover
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from$211
2:20 pm — 11:59 pm
2:06 pm — 8:09 pm UA2013 United Airlines
Seattle — Chicago
40m stop
9:05 pm — 11:53 pm UA1023 United Airlines
Chicago — Washington D.C.
6h 39m
including layover
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from$286
2:20 pm — 11:59 pm
2:06 pm — 8:09 pm UA2013 United Airlines
Seattle — Chicago
40m stop
9:10 pm — 11:59 pm UA2386 United Airlines
Chicago — Washington D.C.
6h 39m
including layover
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from$323
3:16 pm — 5:16 am
+1 day
3:16 pm — 7:01 pm UA757 United Airlines
Seattle — Denver
4h 58m stop
11:59 pm — 5:16 am UA1924 United Airlines
Denver — Washington D.C.
11h
including layover
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from$287
3:24 pm — 5:18 am
+1 day
3:24 pm — 5:42 pm UA589 United Airlines
Seattle — San Francisco
3h 30m stop
9:12 pm — 5:18 am UA2110 United Airlines
San Francisco — Washington D.C.
10h 54m
including layover
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from$213
4:58 pm — 5:18 am
+1 day
4:58 pm — 7:10 pm UA2482 United Airlines
Seattle — San Francisco
2h 2m stop
9:12 pm — 5:18 am UA2110 United Airlines
San Francisco — Washington D.C.
9h 20m
including layover
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from$213
4:58 pm — 7:00 am
+1 day
4:58 pm — 7:10 pm UA2482 United Airlines
Seattle — San Francisco
3h 45m stop
10:55 pm — 7:00 am UA1849 United Airlines
San Francisco — Washington D.C.
11h 2m
including layover
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from$288
5:00 am — 2:59 pm
5:00 am — 8:47 am UA2269 United Airlines
Seattle — Denver
57m stop
9:40 am — 2:59 pm UA1767 United Airlines
Denver — Washington D.C.
6h 59m
including layover
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from$190
5:25 pm — 7:08 am
+1 day
5:25 pm — 8:12 pm UA2397 United Airlines
Seattle — Los Angeles
3h 8m stop
11:20 pm — 7:08 am UA2282 United Airlines
Los Angeles — Washington D.C.
10h 43m
including layover
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from$233
6:15 am — 5:53 pm
6:15 am — 9:02 am UA1571 United Airlines
Seattle — Los Angeles
1h 3m stop
10:05 am — 5:53 pm UA2667 United Airlines
Los Angeles — Washington D.C.
8h 38m
including layover
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from$190
7:00 am — 8:40 pm
7:00 am — 1:23 pm UA1788 United Airlines
Seattle — Houston
3h 17m stop
4:40 pm — 8:40 pm UA1788 United Airlines
Houston — Washington D.C.
10h 40m
including layover
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from$185
7:00 am — 6:27 pm
7:00 am — 1:06 pm UA1373 United Airlines
Seattle — Chicago
2h 29m stop
3:51 pm — 6:43 pm UA2451 United Airlines
Chicago — Washington D.C.
8h 27m
including layover
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from$190
9:00 am — 7:12 pm
8:30 am — 12:14 pm UA1829 United Airlines
Seattle — Denver
1h 8m stop
1:30 pm — 6:48 pm UA347 United Airlines
Denver — Washington D.C.
7h 12m
including layover
Find flight
from$190
9:00 am — 9:23 pm
8:30 am — 12:14 pm UA1829 United Airlines
Seattle — Denver
3h 19m stop
3:55 pm — 9:14 pm UA798 United Airlines
Denver — Washington D.C.
9h 23m
including layover
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from$190
1:55 pm — 7:19 am
+1 day
1:55 pm — 8:02 pm UA2013 United Airlines
Seattle — Chicago
1h 43m stop
9:45 pm — 0:57 am UA787 United Airlines
Chicago — Newark
5h 3m stop
6:00 am — 7:19 am UA1016 United Airlines
Newark — Washington D.C.
14h 24m
including layover
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from$348
6:15 am — 8:40 pm
6:15 am — 9:02 am UA1571 United Airlines
Seattle — Los Angeles
1h 13m stop
10:15 am — 3:36 pm UA1571 United Airlines
Los Angeles — Houston
1h 4m stop
4:40 pm — 8:40 pm UA1788 United Airlines
Houston — Washington D.C.
11h 25m
including layover
Find flight
from$195
*Departure and arrival times are local. Last updated on 11/23/2024

Flight Information

There are 3 flights by United 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 11:05 am to 9:25 am. Nonstop flight is 4h 52m. The time difference between Seattle and Washington D.C. is 3h.

  • The fastest flight 4h 52m
  • Average flight time 4h 58m
  • The earliest flight 11:05 am
  • The latest flight 9:25 am
  • Distance 2321 ml

The cheapest months for traveling to Washington D.C. are february (from 185 $), january (from 190 $), december (from 210 $).

The most expensive and popular months are november (from 264 $), december (from 210 $), january (from 190 $).

The cheapest flight by United Airlines that our users were able to find is $185. This airfare is economy class on one-way UA1788 flight for February 1, 2025 leaving Seattle-Tacoma Intl in Seattle at 7:00 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 5 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 6 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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