Frontier Airlines Seattle to Washington D.C. Flights

Return flight: Washington D.C. – Seattle
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Cheapflightsplus.com will find cheap Frontier Airlines flights from Seattle to Washington D.C.. Compare airline ticket prices and book air tickets starting from $81 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Frontier Airlines, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — Washington D.C. (DC) by Frontier 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 january: one-way - $81, two-way – $139.
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Cheap Flights from Seattle to Washington D.C. by Frontier Airlines

Look at the list of plane tickets for the most connecting flights by Frontier Airlines, their prices start from $81. There’re no direct flights. The fastest connecting flight – 9h 22m.
Price Departure Arrival Flight Time Airline Flight
from $81
Find flight
9:37 am
Seattle
Seattle-Tacoma Intl
 9:59 pm
Washington D.C.
Ronald Reagan
 9h 22m
layover
3h 2m - Denver
 Frontier Airlines
F93406
F9690
from $98
Find flight
10:08 pm
Seattle
Seattle-Tacoma Intl
 9:59 pm+1 день
Washington D.C.
Ronald Reagan
 20h 51m
layover
14h 36m - Denver
 Frontier Airlines
F91176
F9690
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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 12/22/2024
Below is a detailed 2025 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
10:08 pm — 9:59 pm
+1 day
8:19 pm — 0:05 am F91176 Frontier Airlines
Seattle — Denver
14h 36m stop
4:38 pm — 9:58 pm F9690 Frontier Airlines
Denver — Washington D.C.
20h 51m
including layover
Find flight
from$98
10:08 pm — 12:09 pm
+1 day
8:19 pm — 0:05 am F91176 Frontier Airlines
Seattle — Denver
4h 48m stop
6:45 am — 12:10 pm F9686 Frontier Airlines
Denver — Washington D.C.
11h 1m
including layover
Find flight
from$98
3:15 pm — 12:06 pm
+1 day
9:19 am — 1:04 pm F93406 Frontier Airlines
Seattle — Denver
11h 41m stop
6:45 am — 12:10 pm F9686 Frontier Airlines
Denver — Washington D.C.
17h 51m
including layover
Find flight
from$87
3:15 pm — 4:59 pm
+1 day
9:19 am — 1:04 pm F93406 Frontier Airlines
Seattle — Denver
16h 42m stop
11:40 am — 4:59 pm F9688 Frontier Airlines
Denver — Washington D.C.
22h 44m
including layover
Find flight
from$87
9:36 pm — 4:59 pm
+1 day
8:19 pm — 0:05 am F91176 Frontier Airlines
Seattle — Denver
10h 20m stop
11:40 am — 4:59 pm F9688 Frontier Airlines
Denver — Washington D.C.
16h 23m
including layover
Find flight
from$153
9:37 am — 9:59 pm
9:19 am — 1:04 pm F93406 Frontier Airlines
Seattle — Denver
3h 2m stop
4:38 pm — 9:58 pm F9690 Frontier Airlines
Denver — Washington D.C.
9h 22m
including layover
Find flight
from$81
*Departure and arrival times are local. Last updated on 12/22/2024

Flight Information

There are 7 flights by Frontier 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 10:08 pm to 9:37 am. Nonstop flight is 9h 22m. The time difference between Seattle and Washington D.C. is 3h.

  • The fastest flight 9h 22m
  • Average flight time 17h 7m
  • The earliest flight 10:08 pm
  • The latest flight 9:37 am
  • Distance 2321 ml

The cheapest months for traveling to Washington D.C. are november (from 66 $), december (from 68 $), february (from 81 $).

The most expensive and popular months are january (from 87 $), february (from 81 $), december (from 68 $).

The cheapest flight by Frontier Airlines that our users were able to find is $81. This airfare is economy class on one-way F93406 flight for February 21, 2025 leaving Seattle-Tacoma Intl in Seattle at 9:37 am, it includes all taxes and additional fees.

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Frontier Airlines Airplanes on the Route

List of the most popular Frontier Airlines airplanes flying from Seattle to Washington D.C.:

Other Popular Airlines on the Route

Besides Frontier Airlines there are other 3 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 4 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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