Cheap Flights from Seattle (SEA) to Washington (IAD) from HK$1,088~

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Find Cheap Flights from Seattle (SEA) to Washington (IAD)

Prices were available within the past 7 days and start at HK$1,088 for one-way flights and HK$2,628 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Monday, 20 May - Wednesday, 29 May
SEA
Seattle
IAD
Washington
HK$2,628 Return, found 1 day ago
HK$2,628
Return
found 1 day ago
Select Delta flight, departing Monday, 20 May from Seattle to Washington, returning Wednesday, 29 May, priced at HK$2,628 found 1 day ago
Delta
Monday, 20 May - Wednesday, 29 May
SEA
Seattle
IAD
Washington
HK$2,704 Return, found 1 day ago
HK$2,704
Return
found 1 day ago
Select Delta flight, departing Monday, 20 May from Seattle to Washington, returning Wednesday, 29 May, priced at HK$2,704 found 1 day ago
Delta
Monday, 20 May - Wednesday, 29 May
SEA
Seattle
IAD
Washington
HK$2,714 Return, found 1 day ago
HK$2,714
Return
found 1 day ago
Select Delta flight, departing Monday, 20 May from Seattle to Washington, returning Wednesday, 29 May, priced at HK$2,714 found 1 day ago
Delta
Monday, 20 May - Wednesday, 29 May
SEA
Seattle
IAD
Washington
HK$2,940 Return, found 1 day ago
HK$2,940
Return
found 1 day ago
Select Delta flight, departing Monday, 20 May from Seattle to Washington, returning Wednesday, 29 May, priced at HK$2,940 found 1 day ago
United
Monday, 20 May - Wednesday, 29 May
SEA
Seattle
IAD
Washington
HK$3,079 Return, found 1 day ago
HK$3,079
Return
found 1 day ago
Select United flight, departing Monday, 20 May from Seattle to Washington, returning Wednesday, 29 May, priced at HK$3,079 found 1 day ago
Delta
Monday, 20 May - Wednesday, 29 May
SEA
Seattle
IAD
Washington
HK$3,089 Return, found 1 day ago
HK$3,089
Return
found 1 day ago
Select Delta flight, departing Monday, 20 May from Seattle to Washington, returning Wednesday, 29 May, priced at HK$3,089 found 1 day ago
Delta
Monday, 20 May - Wednesday, 29 May
SEA
Seattle
IAD
Washington
HK$3,133 Return, found 1 day ago
HK$3,133
Return
found 1 day ago
Select Delta flight, departing Monday, 20 May from Seattle to Washington, returning Wednesday, 29 May, priced at HK$3,133 found 1 day ago
United
Monday, 20 May - Wednesday, 29 May
SEA
Seattle
IAD
Washington
HK$3,155 Return, found 1 day ago
HK$3,155
Return
found 1 day ago
Select United flight, departing Monday, 20 May from Seattle to Washington, returning Wednesday, 29 May, priced at HK$3,155 found 1 day ago
Delta
Monday, 20 May - Wednesday, 29 May
SEA
Seattle
IAD
Washington
HK$3,209 Return, found 1 day ago
HK$3,209
Return
found 1 day ago
Select Delta flight, departing Monday, 20 May from Seattle to Washington, returning Wednesday, 29 May, priced at HK$3,209 found 1 day ago
United
Monday, 20 May - Wednesday, 29 May
SEA
Seattle
IAD
Washington
HK$3,232 Return, found 1 day ago
HK$3,232
Return
found 1 day ago
Select United flight, departing Monday, 20 May from Seattle to Washington, returning Wednesday, 29 May, priced at HK$3,232 found 1 day ago
0
Seattle to Washington route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Return price
HK$2,628
Distance
3679 km

Flights from Seattle to Chantilly

Book cheap flights from Seattle (SEA) to Chantilly (IAD) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Seattle (SEA) to Chantilly (IAD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle (SEA) to Chantilly (IAD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Chantilly flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Chantilly and things to do in Chantilly for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Chantilly more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Chantilly is HK$1,088 now!

 

Frequently asked questions

How much is a flight from Sea-Tac Airport to Washington Dulles Intl. Airport (IAD)?
The lowest price advertised for a round-trip journey between SEA and Washington Dulles Intl. Airport (IAD) is HK$2,628. But you better act quick. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Washington Dulles Intl. Airport (IAD)?
Most flights can be canceled online, but whether or not you incur a fee varies between airlines. If you do need to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from SEA to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SEA to IAD flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Sea-Tac Airport to Dulles Intl. Airport?
The flight distance between Sea-Tac Airport (SEA) and Washington Dulles Intl. Airport (IAD) (IAD) is 3,700 kilometers. Sneak in a nap or make a start on the latest bestseller and the trip will zip on by.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Dulles Intl. Airport?
There are a few airlines that fly directly from Seattle - Tacoma Intl. Airport (SEA) to IAD. United Airlines (UA) is a great choice, offering 60 flights every month. Offering 56 flights every month along this route, Alaska Airlines (AS) is another good option.
Are SEA to Washington Dulles Intl. Airport (IAD) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Seattle - Tacoma Intl. Airport (SEA) to IAD can be hit-or-miss. You might be lucky and score a bargain, but you could also miss out completely! If you’d rather play it safe and start your travel planning early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines advertise their prices that far in advance. Our top tip? Check back often as prices are updated regularly.
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