Frontier Airlines Seattle to Washington D.C. Flights

Cheapflightsplus.com will find cheap Frontier Airlines flights from Seattle to Washington D.C.. Compare airline ticket prices and book air tickets starting from $121 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 december: one-way - $121, two-way – $208.
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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
0:55 am — 12:53 pm
0:55 am — 4:30 am F9136 Frontier Airlines
Seattle — Denver
3h stop
7:30 am — 12:53 pm F9544 Frontier Airlines
Denver — Washington D.C.
8h 58m
including layover
Find flight
from$187
1:51 pm — 12:23 pm
+1 day
1:51 pm — 5:32 pm F9142 Frontier Airlines
Seattle — Denver
13h 28m stop
7:00 am — 12:23 pm F9534 Frontier Airlines
Denver — Washington D.C.
19h 32m
including layover
Find flight
from$148
7:21 pm — 6:20 am
+1 day
7:21 pm — 11:01 pm F9142 Frontier Airlines
Seattle — Denver
1h 58m stop
0:59 am — 6:20 am F9452 Frontier Airlines
Denver — Washington D.C.
7h 59m
including layover
Find flight
from$121
*Departure and arrival times are local. Last updated on 11/29/2022

Flight Information

There are 13 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 0:55 am to 7:56 pm. Nonstop flight is 7h 59m. The time difference between Seattle and Washington D.C. is 3h.

  • The fastest flight 7h 59m
  • Average flight time 13h 9m
  • The earliest flight 0:55 am
  • The latest flight 7:56 pm
  • Distance 2321 ml

The cheapest flight by Frontier Airlines that our users were able to find is $121. This airfare is economy class on one-way F9142 flight for October 3, 2018 leaving Seattle-Tacoma Intl in Seattle at 7:21 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides Frontier 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 7 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.

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