Frontier Airlines Washington D.C. to Seattle Flights

Return flight: Seattle – Washington D.C.
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Cheapflightsplus.com will find cheap Frontier Airlines flights from Washington D.C. to Seattle. Compare airline ticket prices and book air tickets starting from $66 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 Washington D.C. (DC) — Seattle (WA) 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 - $66, two-way – $113.
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Cheap Flights from Washington D.C. to Seattle by Frontier Airlines

Look at the list of plane tickets for the most connecting flights by Frontier Airlines, their prices start from $66. There’re no direct flights. The fastest connecting flight – 9h 34m.
Price Departure Arrival Flight Time Airline Flight
from $66
Find flight
7:00 am
Washington D.C.
Ronald Reagan
 1:34 pm
Seattle
Seattle-Tacoma Intl
 9h 34m
layover
2h 2m - Denver
 Frontier Airlines
F9685
F91175
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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
7:00 am — 1:34 pm
7:00 am — 9:14 am F9685 Frontier Airlines
Washington D.C. — Denver
2h 2m stop
6:00 am — 8:15 am F91175 Frontier Airlines
Denver — Seattle
9h 34m
including layover
Find flight
from$66
*Departure and arrival times are local. Last updated on 12/22/2024

Flight Information

There are 2 flights by Frontier Airlines from Washington D.C. to Seattle every week with departures from Ronald Reagan and Dulles International. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.

Departures start from 7:00 am to 7:00 am. Nonstop flight is 9h 34m. The time difference between Washington D.C. and Seattle is 3h.

  • The fastest flight 9h 34m
  • Average flight time 9h 34m
  • The earliest flight 7:00 am
  • The latest flight 7:00 am
  • Distance 2321 ml

The cheapest months for traveling to Seattle are november (from 66 $), december (from 83 $).

The cheapest flight by Frontier Airlines that our users were able to find is $66. This airfare is economy class on one-way F9685 flight for December 9, 2024 leaving Ronald Reagan in Washington D.C. at 7:00 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 Washington D.C. to Seattle:

Other Popular Airlines on the Route

Besides Frontier Airlines there are other 3 airline carriers between Washington D.C. and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from Washington D.C. to Seattle.

Nonstop flights

There are 5 direct flights every day from Washington D.C.. 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?
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  • 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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