Cheap Flight Tickets from Washington (WAS) to Seattle (SEA), Starting at $645

Good to Know: Cheapest and Fastest WAS - SEA Flights

Useful information for finding best airline tickets from Washington All Airport to Seattle Tacoma International on your next trip.

Cheapest Round Trip Flight

$657

SY Sun Country Airlines • 1 stop • 12h 7m

Jul 01 – Jul 03

The cheapest round trip flight from Washington to Seattle (WAS-SEA-WAS) is currently $657

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Cheapest Direct Flight

$645

HA Hawaiian Airlines • nonstop • 9h 10m

Jun 30

The cheapest nonstop flight from Washington to Seattle (WAS-SEA) is currently $645

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Fastest Flight

9h 10m

The fastest nonstop flight from Washington to Seattle (WAS-SEA) takes 9h 10m

Top Airlines Flying from Washington to Seattle

Sun Country Airlines (SY)

Sun Country Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

Hawaiian Airlines-HA

Hawaiian Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Washington (WAS) to Seattle (SEA)

Compare and book low fare round-trip air tickets from Washington to Seattle. Ideal for travelers with confirmed return itineraries.

Jul 01 - Jul 03, Economy
SY
Washington → Seattle
12h 7m
12:25 PM - 10:46 PM • 1 stop
SY
Washington → Seattle
14h 6m
11:59 PM - 11:45 AM • 1 stop
$657
Sun Country Airlines
Jul 01 - Jul 03, Economy
SY
Washington → Seattle
12h 7m
12:45 PM - 5:12 PM • 1 stop
SY
Washington → Seattle
14h 6m
11:59 PM - 11:45 AM • 1 stop
$657
Sun Country Airlines
Jul 01 - Jul 03, Economy
SY
Washington → Seattle
12h 7m
12:25 PM - 5:12 PM • 1 stop
SY
Washington → Seattle
14h 6m
11:59 PM - 11:45 AM • 1 stop
$657
Sun Country Airlines
Jul 01 - Jul 03, Economy
SY
Washington → Seattle
12h 7m
12:45 PM - 10:46 PM • 1 stop
SY
Washington → Seattle
14h 6m
11:59 PM - 11:45 AM • 1 stop
$657
Sun Country Airlines
Jun 30 - Jul 06, Economy
HA
Washington → Seattle
9h 18m
8:00 AM - 10:58 AM • nonstop
AS
Washington → Seattle
8h 25m
9:36 PM - 5:41 AM • nonstop
$666
Hawaiian Airlines
Jul 03 - Jul 05, Economy
F9
Washington → Seattle
30h 48m
9:55 AM - 10:35 AM • 1 stop
F9
Washington → Seattle
13h 47m
8:53 PM - 8:20 AM • 1 stop
$1528
Frontier Airlines

Fly from Washington to Seattle with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Washington to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Washington to Seattle Flights

What are the airports in Washington?
WAS
What’s the most popular airline flying from WAS to SEA?
The most popular airline flying from Washington to Seattle are
Can I fly from WAS to SEA non-stop?
Yes, you can fly WAS to SEA non-stop on
Which airlines fly nonstop between Washington and Seattle?
The non-stop flights between Washington and Seattle are .
What’s the earliest departure time from WAS to SEA Airport?
The earliest flight leaves WAS at 7:03 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Washington to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from WAS to SEA?
Read the fare rules of the Washington to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and Seattle?
operate flights between Washington and Seattle
How long does a flight from Washington to Seattle take?
It takes approximately 5 hour to fly non-stop from WAS to SEA, which is 2305.73 miles by air.
Which airlines provide the cheapest flights from Washington (WAS) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from WAS were found on SY : USD 657
Do I need a passport to fly between WAS and SEA?
No
What’s the latest departure time from WAS to SEA ?
The last flight leaves WAS at 5:55 pm

Washington (WAS) to Seattle (SEA): Airport Information

Origin Airport Washington All Airport, Washington, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance 2306 miles

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