Search & Compare - Washington to Seattle Flights & Tickets

  • [[error]]

Lowest Prices
We partner with travel agencies and
airlines to bring you the best deals.
New Deals Everyday
Check out with confidence. Fareleaders users
always get our new deals.
Best Travel Options
We help you compare and find
cheap flights tickets.

Cheap flights from Washington to Seattle (IAD to SEA)

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.

Recent airfare deals on Washington to Seattle

Delta Airlines  DL
Delta Airlines
Washington
2023-11-18
Seattle
USD 139

One-way DL Nonstop Economy fare found on 2023-10-12
Alaska Airlines  AS
Alaska Airlines
Washington
2023-12-22
Seattle
USD 144

One-way AS Nonstop Economy fare found on 2023-11-24
Delta Airlines  DL
Delta Airlines
Washington
2023-12-22
Seattle
USD 144

One-way DL Nonstop Economy fare found on 2023-11-24
Alaska Airlines  AS
Alaska Airlines
Washington
2023-12-22
Seattle
USD 144

One-way AS Nonstop Economy fare found on 2023-11-24
Delta Airlines  DL
Delta Airlines
Washington
2023-12-22
Seattle
USD 144

One-way DL Nonstop Economy fare found on 2023-11-24
Alaska Airlines  AS
Alaska Airlines
Washington
2023-12-20
Seattle
USD 144

One-way AS Nonstop Economy fare found on 2023-11-27
Delta Airlines  DL
Delta Airlines
Washington
2023-12-20
Seattle
USD 144

One-way DL Nonstop Economy fare found on 2023-11-27
Alaska Airlines  AS
Alaska Airlines
Washington
2023-12-19
Seattle
USD 144

One-way AS Nonstop Economy fare found on 2023-11-27
Delta Airlines  DL
Delta Airlines
Washington
2023-12-19
Seattle
USD 144

One-way DL Nonstop Economy fare found on 2023-11-27
Alaska Airlines  AS
Alaska Airlines
Washington
2023-12-18
Seattle
USD 144

One-way AS Nonstop Economy fare found on 2023-11-27


*Prices are per person and are for e-tickets and include all taxes & fees in USD.
*Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
*Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

Facts to know while booking flights from Washington to Seattle

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to SEA?
The most popular airline flying from Washington to Seattle are Alaska Airlines, Delta Airlines
Can I fly from IAD to SEA non-stop?
Yes, you can fly IAD to SEA non-stop on Alaska Airlines, Delta Airlines
Which airlines fly nonstop between Washington and Seattle?
The non-stop flights between Washington and Seattle are Alaska Airlines, Delta Airlines.
What’s the earliest departure time from IAD to SEA Airport?
The earliest flight leaves IAD at 7:00 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 IAD 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?
Oneworld, SkyTeam 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 IAD to SEA, which is 2305.73 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from IAD were found on Delta Airlines : USD 139
Do I need a passport to fly between IAD and SEA?
No
What’s the latest departure time from IAD to SEA ?
The last flight leaves IAD at 7:01 pm

Flights from Washington to Seattle

Origin AirportWashington Dulles International , Washington, US
Destination AirportSeattle Tacoma International , Seattle, US
Served by AirlinesAlaska Airlines, Delta Airlines
Lowest PriceDelta Airlines : USD 139
Distance2306 miles

Airlines Flying from Washington Dulles International

Popular Routes

Get Fare Drop Alert
[[emailsignupmsg]]
Be the first to know when fares drop for the [[widget.from]] to [[widget.to]]
Terms and Condtions*
Thank you