Frontier Airlines Washington D.C. to Seattle Flights

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Return flight: Seattle – Washington D.C.

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Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap Frontier Airlines flights from Washington D.C. to Seattle. Compare airline ticket prices and book air tickets starting from $65 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 february: one-way - $65, two-way – $111.

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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 $65. There’re no direct flights. The fastest connecting flight – 9h 27m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $65 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
from $144 Find flight	6:00 pm Washington D.C. Ronald Reagan	7:27 pm+1 день Seattle Seattle-Tacoma Intl	28h 27m layover 21h 9m - Denver	Frontier Airlines	F9689 F93405
from $215 Find flight	1:00 pm Washington D.C. Ronald Reagan	8:20 am+1 день Seattle Seattle-Tacoma Intl	22h 20m layover 14h 57m - Denver	Frontier Airlines	F9687 DL1731

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/05/2025

Frontier Airlines Flight Schedule Washington D.C. to Seattle

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	Flight Details	Flight Time	Price
1:00 pm — 7:15 am +1 day	1:00 pm — 3:08 pm F9687 Frontier Airlines Washington D.C. — Denver 13h 56m stop 6:00 am — 8:15 am F91175 Frontier Airlines Denver — Seattle	21h 15m including layover	Find flight from$74
1:00 pm — 7:27 pm	1:00 pm — 3:08 pm F9687 Frontier Airlines Washington D.C. — Denver 2h 9m stop 5:56 pm — 8:06 pm F93405 Frontier Airlines Denver — Seattle	9h 27m including layover	Find flight from$153
6:00 pm — 7:15 am +1 day	6:00 pm — 8:08 pm F9689 Frontier Airlines Washington D.C. — Denver 8h 56m stop 6:00 am — 8:15 am F91175 Frontier Airlines Denver — Seattle	16h 15m including layover	Find flight from$74
6:00 pm — 7:27 pm +1 day	6:00 pm — 8:08 pm F9689 Frontier Airlines Washington D.C. — Denver 21h 9m stop 5:17 pm — 7:27 pm F93405 Frontier Airlines Denver — Seattle	28h 27m including layover	Find flight from$144
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$65
7:00 am — 7:27 pm	7:00 am — 9:14 am F9685 Frontier Airlines Washington D.C. — Denver 8h 3m stop 5:56 pm — 8:06 pm F93405 Frontier Airlines Denver — Seattle	15h 27m including layover	Find flight from$159

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 02/05/2025

Flight Information

There are 25 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 1:00 pm to 7:00 am. Nonstop flight is 9h 27m. The time difference between Washington D.C. and Seattle is 3h.

The fastest flight 9h 27m
Average flight time 16h 48m
The earliest flight 1:00 pm
The latest flight 7:00 am
Distance 2321 ml

The cheapest months for traveling to Seattle are november (from 65 $), december (from 82 $).

The cheapest flight by Frontier Airlines that our users were able to find is $65. 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:

Boeing 737-100/200

from $185

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Airbus A318/319/320/321

from $185

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Other Popular Airlines on the Route

Besides Frontier Airlines there are other 2 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 4 direct flights every day from Washington D.C.. Airlines and fares are below:

AS - Alaska Airlines

from $149

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UA - United Airlines

from $202

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Connecting Flights

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

AS - Alaska Airlines

from $243

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UA - United Airlines

from $212

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How to book an air ticket yourself?

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