C Cityvator Cheap flights worldwide Part of Putivator
Flights Destinations Beaches Map Services Booking Collections Ratings
Home / Washington — Seattle

Cheap flights Washington — Seattle

Washington (DCA, US) Seattle (SEA, US)
from $170 3 737 km ~4h 54m 4 flights found 3 airlines cheapest on Saturday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $170 on 05.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
Mo
Tu
We
Th
Fr
Sa
Su
December 2026
Mo
Tu
We
Th
Fr
Sa
Su
January 2027
Mo
Tu
We
Th
Fr
Sa
Su
Prices found for 6 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
05 Dec 2026, Sat
Frontier Airlines F9 685
15:00
DCA Ronald Reagan National Airport
22:27
SEA Seattle-Tacoma International Airport
7h 27m 1 stop
Trip.com
$170
View this ticket
06 Dec 2026, Sun
Alaska Airlines AS 3
01:05
DCA Ronald Reagan National Airport
07:22
SEA Seattle-Tacoma International Airport
6h 17m Direct
Trip.com
$216
View this ticket
01 Dec 2026, Tue
jetBlue B6 1888
14:15
DCA Ronald Reagan National Airport
00:45
SEA Seattle-Tacoma International Airport
10h 30m 3 stops
Aviakassa
$233
View this ticket
02 Dec 2026, Wed
Alaska Airlines AS 3
01:05
DCA Ronald Reagan National Airport
07:22
SEA Seattle-Tacoma International Airport
6h 17m Direct
Clickavia
$320
View this ticket
Route characteristics
Distance
3 737 km
Flight time
4h 54m
Time difference
-3h
Minimum price
from $170 (05.12.2026)
Average price
$224
Maximum price
$320
Cheapest day
Saturday
Departure airports (1)
DCA Ronald Reagan National Airport
Arrival airports (1)
SEA Seattle-Tacoma International Airport
Airlines (3)
F9 Frontier Airlines AS Alaska Airlines B6 jetBlue
Agencies (3)
Trip.com Aviakassa Clickavia
Prices by day of week
Tuesday
$233
avg $233
Wednesday
$320
avg $320
Saturday
$170
avg $170
Cheapest
Sunday
$216
avg $216
Airlines — cheapest prices 3
Frontier Airlines
Frontier Airlines
Low-cost 1 flights · 1 days
$170
Alaska Airlines
Alaska Airlines
2 flights · 2 days
$216
jetBlue
jetBlue
Low-cost 1 flights · 1 days
$233
Where to buy tickets 3
Trip.com
2 tickets · 2 days
from $170
Aviakassa
1 tickets · 1 days
from $233
Clickavia
1 tickets · 1 days
from $320
Airports

From — Washington (1)

  • DCA Ronald Reagan National Airport

To — Seattle (1)

  • SEA Seattle-Tacoma International Airport
Other destinations from Washington
Augusta
US
Albany
US
Atlanta
US · Hub
Austin
US
Hartford
US
Bangor
US
Birmingham
US
Nashville
US
Boston
US
Burlington
US
Buffalo
US
Columbia
US
Frequently asked questions about the route Washington — Seattle
How long is the flight from Washington to Seattle?
Approximate flight time — 4h 54m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Washington to Seattle?
The straight-line distance — 3 737 km.
How much do flights from Washington to Seattle cost?
The minimum price over 3 months — from $170 on 05.12.2026.
What is the average ticket price?
The average price — $224. Range: $170 — $320.
What is the time difference between Washington and Seattle?
The difference — -3h.
From which airports does Washington operate flights?
From Washington: DCA (Ronald Reagan National Airport).
To which airports in Seattle do flights arrive?
To Seattle: SEA (Seattle-Tacoma International Airport).
Which airlines fly this route?
This route is served by 3 airlines: Frontier Airlines, Alaska Airlines, jetBlue.
Are there direct flights?
Yes, there are direct flights. Minimum direct price — from $216. Total direct flights found: 2.
Which day of the week is cheapest?
The cheapest day of the week — Saturday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Washington — Seattle

Flights Washington — Seattle is a popular route. The straight-line distance is 3 737 km. Flight time 4h 54m. Time difference -3h.

From Washington (DCA) flights depart from 1 airport: DCA. To Seattle (SEA) — 1 arrival airport: SEA.

3 airlines operate on this route: Frontier Airlines, Alaska Airlines, jetBlue.

The minimum price for the next 3 months — from $170 (05.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $224, ranging from $170 to $320. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Saturday.

Other destinations in United States from Washington
Norfolk
US
New Orleans
US
Myrtle Beach
US
Jacksonville
US
Omaha
US
Portland
US
Phoenix
US
Philadelphia
US

Cheap flights worldwide. Search and compare prices from 1 159 airlines across 9 546 cities.

Flights

Flight search Destinations Beaches Map Services Booking Collections Ratings

Data

Open API for AI llms.txt ai.txt

Documents

Privacy Policy Terms of Use

Contacts

info@cityvator.com Part of Putivator
© 2026 Cityvator — flight search engine Data from open sources · Open API for AI