Cheap Flight Tickets from Seattle (SEA) to Washington (IAD), Starting at $747

Good to Know: Cheapest and Fastest SEA - IAD Flights

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

Cheapest One way Flight

$747

AS Alaska Airlines • 1 stop • 30h 34m

Sep 23

The cheapest one way flight from Seattle to Washington (SEA-IAD) is currently $747

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Fastest Flight

30h 34m

The fastest nonstop flight from Seattle to Washington (SEA-IAD) takes 30h 34m

Top Airlines Flying from Seattle to Washington

Alaska Airlines -AS

Alaska Airlines

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

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FAQs on Seattle to Washington Flights

What are the airports in Seattle?
SEA
What’s the most popular airline flying from SEA to IAD?
The most popular airline flying from Seattle to Washington are
Can I fly from SEA to IAD non-stop?
NO
Which airlines fly nonstop between Seattle and Washington?
The non-stop flights between Seattle and Washington are .
What’s the earliest departure time from SEA to IAD Airport?
The earliest flight leaves SEA at 8:40 pm and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Seattle to Washington 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 SEA to IAD?
Read the fare rules of the Seattle to Washington 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 Seattle and Washington?
operate flights between Seattle and Washington
How long does a flight from Seattle to Washington take?
It takes approximately 5 hour to fly non-stop from SEA to IAD, which is 2305.73 miles by air.
Which airlines provide the cheapest flights from Seattle (SEA) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from SEA were found on AS : USD 747
Do I need a passport to fly between SEA and IAD?
No
What’s the latest departure time from SEA to IAD ?
The last flight leaves SEA at 8:40 pm

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

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

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