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Cheap Airfare from Washington, D.C. (IAD) to Seattle, WA (SEA)

All flights from Washington, D.C. (IAD) to Seattle, WA (SEA)

We found 183 matches for direct flights, non-stop flights, and last-minute flights between IAD and SEA. Use the table below to sort by number of connections or the time of day to find flights that leave IAD for SEA in the morning, afternoon, or evening.

Be sure to check our list of deals to see which airlines are offering special prices on airfare to Seattle, WA (SEA) or airfare from Washington, D.C. (IAD).

Airline Flt. Departs Time Arrives Time sort Via Compare prices
US Airways 6565 IAD 8:30am SEA 11:07am nonstop Search prices
 
United Airlines 201 IAD 8:30am SEA 11:07am nonstop Search prices
 
US Airways 6567 IAD 12:45pm SEA 3:25pm nonstop Search prices
 
United Airlines 197 IAD 12:45pm SEA 3:25pm nonstop Search prices
 
US Airways 6569 IAD 5:50pm SEA 8:28pm nonstop Search prices
 
United Airlines 917 IAD 5:50pm SEA 8:28pm nonstop Search prices
 
AirTran 69 IAD 5:55am SEA 12:40pm Atlanta (ATL) Search prices
 
Delta Air Lines 1541 IAD 6:55am SEA 11:57am Atlanta (ATL) Search prices
 
Delta Air Lines 5509 IAD 11:10am SEA 5:16pm Atlanta (ATL) Search prices
 
Delta Air Lines 5008 IAD 2:30pm SEA 8:55pm Atlanta (ATL) Search prices
 
AirTran 63 IAD 3:01pm SEA 9:35pm Atlanta (ATL) Search prices
 
Delta Air Lines 1413 IAD 4:00pm SEA 8:55pm Atlanta (ATL) Search prices
 
United Airlines 7269 IAD 4:35pm SEA 11:54pm Atlanta (ATL) Search prices
 
US Airways 7955 IAD 4:35pm SEA 11:54pm Atlanta (ATL) Search prices
 
Delta Air Lines 1701 IAD 5:15pm SEA 11:54pm Atlanta (ATL) Search prices
 
Delta Air Lines 1593 IAD 6:30pm SEA 11:54pm Atlanta (ATL) Search prices
 
United Airlines 7157 IAD 2:35pm SEA 9:32pm Boston (BOS) Search prices
 
United Airlines 3167 IAD 3:50pm SEA 8:49pm Charlotte (CLT) Search prices
 
United Airlines 3167 IAD 3:50pm SEA 8:49pm Charlotte (CLT) Search prices
 
US Airways 2277 IAD 3:50pm SEA 8:49pm Charlotte (CLT) Search prices
 
US Airways 2277 IAD 3:50pm SEA 8:49pm Charlotte (CLT) Search prices
 
US Airways 6249 IAD 6:00am SEA 10:33am Denver (DEN) Search prices
 
United Airlines 971 IAD 6:00am SEA 10:33am Denver (DEN) Search prices
 
United Airlines 971 IAD 6:00am SEA 10:33am Denver (DEN) Search prices
 
US Airways 6249 IAD 6:00am SEA 10:33am Denver (DEN) Search prices
 
United Airlines 403 IAD 8:30am SEA 1:50pm Denver (DEN) Search prices
 
United Airlines 403 IAD 8:30am SEA 1:40pm Denver (DEN) Search prices
 
US Airways 6251 IAD 8:30am SEA 1:40pm Denver (DEN) Search prices
 
US Airways 6251 IAD 8:30am SEA 1:40pm Denver (DEN) Search prices
 
United Airlines 403 IAD 8:30am SEA 2:09pm Denver (DEN) Search prices
 
United Airlines 403 IAD 8:30am SEA 1:40pm Denver (DEN) Search prices
 
United Airlines 403 IAD 8:30am SEA 1:50pm Denver (DEN) Search prices
 
US Airways 6251 IAD 8:30am SEA 1:50pm Denver (DEN) Search prices
 
US Airways 6251 IAD 8:30am SEA 1:50pm Denver (DEN) Search prices
 
US Airways 6251 IAD 8:30am SEA 1:50pm Denver (DEN) Search prices
 
US Airways 6251 IAD 8:30am SEA 1:50pm Denver (DEN) Search prices
 
United Airlines 403 IAD 8:30am SEA 1:50pm Denver (DEN) Search prices
 
United Airlines 403 IAD 8:30am SEA 1:50pm Denver (DEN) Search prices
 
US Airways 6125 IAD 12:20pm SEA 5:10pm Denver (DEN) Search prices
 
US Airways 6125 IAD 12:20pm SEA 5:10pm Denver (DEN) Search prices
 
United Airlines 923 IAD 12:20pm SEA 5:10pm Denver (DEN) Search prices
 
United Airlines 923 IAD 12:20pm SEA 5:10pm Denver (DEN) Search prices
 
United Airlines 517 IAD 2:55pm SEA 7:59pm Denver (DEN) Search prices
 
United Airlines 517 IAD 2:55pm SEA 8:09pm Denver (DEN) Search prices
 
US Airways 6257 IAD 2:55pm SEA 8:09pm Denver (DEN) Search prices
 
US Airways 6257 IAD 2:55pm SEA 8:09pm Denver (DEN) Search prices
 
United Airlines 517 IAD 2:55pm SEA 8:09pm Denver (DEN) Search prices
 
United Airlines 903 IAD 4:25pm SEA 10:16pm Denver (DEN) Search prices
 
United Airlines 903 IAD 4:25pm SEA 10:16pm Denver (DEN) Search prices
 
US Airways 6259 IAD 4:25pm SEA 10:16pm Denver (DEN) Search prices
 
US Airways 6259 IAD 4:25pm SEA 10:16pm Denver (DEN) Search prices
 
US Airways 6261 IAD 5:40pm SEA 10:16pm Denver (DEN) Search prices
 
US Airways 6261 IAD 5:40pm SEA 10:16pm Denver (DEN) Search prices
 
United Airlines 937 IAD 5:40pm SEA 10:16pm Denver (DEN) Search prices
 
United Airlines 937 IAD 5:40pm SEA 10:16pm Denver (DEN) Search prices
 
United Airlines 937 IAD 5:40pm SEA 11:08pm Denver (DEN) Search prices
 
American Airlines 1053 IAD 7:00am SEA 1:05pm Dallas (DFW) Search prices
 
United Airlines 7645 IAD 8:35am SEA 2:55pm Dallas (DFW) Search prices
 
US Airways 7621 IAD 8:35am SEA 2:55pm Dallas (DFW) Search prices
 
American Airlines 1413 IAD 11:30am SEA 6:55pm Dallas (DFW) Search prices
 
American Airlines 601 IAD 2:20pm SEA 8:44pm Dallas (DFW) Search prices
 
American Airlines 601 IAD 2:20pm SEA 8:44pm Dallas (DFW) Search prices
 
American Airlines 601 IAD 2:20pm SEA 8:25pm Dallas (DFW) Search prices
 
American Airlines 1783 IAD 4:30pm SEA 11:55pm Dallas (DFW) Search prices
 
American Airlines 1783 IAD 4:30pm SEA 10:45pm Dallas (DFW) Search prices
 
United Airlines 7681 IAD 4:55pm SEA 10:45pm Dallas (DFW) Search prices
 
United Airlines 7681 IAD 4:55pm SEA 11:55pm Dallas (DFW) Search prices
 
US Airways 7619 IAD 4:55pm SEA 11:55pm Dallas (DFW) Search prices
 
US Airways 7619 IAD 4:55pm SEA 10:45pm Dallas (DFW) Search prices
 
Northwest Airlines 1965 IAD 6:30am SEA 10:57am Detroit (DTW) Search prices
 
Northwest Airlines 1965 IAD 6:30am SEA 10:57am Detroit (DTW) Search prices
 
Delta Air Lines 3419 IAD 6:30am SEA 10:57am Detroit (DTW) Search prices
 
Delta Air Lines 3419 IAD 6:30am SEA 10:57am Detroit (DTW) Search prices
 
Delta Air Lines 3419 IAD 6:30am SEA 10:57am Detroit (DTW) Search prices
 
Delta Air Lines 3260 IAD 12:15pm SEA 5:11pm Detroit (DTW) Search prices
 
Delta Air Lines 3260 IAD 12:15pm SEA 5:11pm Detroit (DTW) Search prices
 
Delta Air Lines 3260 IAD 12:15pm SEA 5:11pm Detroit (DTW) Search prices
 
Northwest Airlines 1855 IAD 12:15pm SEA 5:11pm Detroit (DTW) Search prices
 
Northwest Airlines 1855 IAD 12:15pm SEA 5:11pm Detroit (DTW) Search prices
 
United Airlines 7948 IAD 12:30pm SEA 5:11pm Detroit (DTW) Search prices
 
US Airways 7957 IAD 12:30pm SEA 5:11pm Detroit (DTW) Search prices
 
US Airways 7957 IAD 12:30pm SEA 5:11pm Detroit (DTW) Search prices
 
United Airlines 7948 IAD 12:30pm SEA 5:11pm Detroit (DTW) Search prices
 
Delta Air Lines 3657 IAD 4:25pm SEA 9:25pm Detroit (DTW) Search prices
 
Northwest Airlines 4109 IAD 4:25pm SEA 9:25pm Detroit (DTW) Search prices
 
Delta Air Lines 3657 IAD 4:25pm SEA 9:25pm Detroit (DTW) Search prices
 
Delta Air Lines 3657 IAD 4:25pm SEA 9:25pm Detroit (DTW) Search prices
 
Northwest Airlines 4109 IAD 4:25pm SEA 9:25pm Detroit (DTW) Search prices
 
United Airlines 7348 IAD 4:55pm SEA 9:25pm Detroit (DTW) Search prices
 
United Airlines 7348 IAD 4:55pm SEA 9:25pm Detroit (DTW) Search prices
 
US Airways 7608 IAD 4:55pm SEA 9:25pm Detroit (DTW) Search prices
 
US Airways 7608 IAD 4:55pm SEA 9:25pm Detroit (DTW) Search prices
 
United Airlines 7888 IAD 8:30am SEA 2:57pm New York (EWR) Search prices
 
US Airways 7591 IAD 8:30am SEA 2:57pm New York (EWR) Search prices
 
Continental Airlines 8640 IAD 9:00am SEA 2:57pm New York (EWR) Search prices
 
Continental Airlines 8642 IAD 2:05pm SEA 9:37pm New York (EWR) Search prices
 
Continental Airlines 8642 IAD 2:05pm SEA 9:37pm New York (EWR) Search prices
 
Continental Airlines 8642 IAD 2:05pm SEA 9:21pm New York (EWR) Search prices
 
JetBlue Airways 1308 IAD 4:23pm SEA 10:35pm New York (JFK) Search prices
 
US Airways 7342 IAD 4:45pm SEA 10:57pm New York (JFK) Search prices
 
United Airlines 7866 IAD 4:45pm SEA 10:57pm New York (JFK) Search prices
 
Southwest Airlines 2533 IAD 12:50pm SEA 6:30pm Chicago (MDW)
 
Southwest Airlines 2005 IAD 4:40pm SEA 10:00pm Chicago (MDW)
 
Delta Air Lines 3410 IAD 8:30am SEA 1:13pm Minneapolis (MSP) Search prices
 
Delta Air Lines 3410 IAD 8:30am SEA 1:13pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1926 IAD 8:30am SEA 1:13pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1926 IAD 8:30am SEA 1:13pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1928 IAD 11:15am SEA 4:06pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1928 IAD 11:15am SEA 4:06pm Minneapolis (MSP) Search prices
 
Delta Air Lines 4232 IAD 11:15am SEA 4:06pm Minneapolis (MSP) Search prices
 
Delta Air Lines 4232 IAD 11:15am SEA 4:06pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1928 IAD 11:15am SEA 3:10pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1807 IAD 2:15pm SEA 8:07pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1807 IAD 2:15pm SEA 8:07pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1807 IAD 2:15pm SEA 8:07pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1807 IAD 2:15pm SEA 7:00pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1807 IAD 2:15pm SEA 7:00pm Minneapolis (MSP) Search prices
 
Delta Air Lines 3380 IAD 2:15pm SEA 7:00pm Minneapolis (MSP) Search prices
 
Delta Air Lines 3380 IAD 2:15pm SEA 7:00pm Minneapolis (MSP) Search prices
 
Delta Air Lines 3380 IAD 2:15pm SEA 8:07pm Minneapolis (MSP) Search prices
 
Delta Air Lines 3380 IAD 2:15pm SEA 8:07pm Minneapolis (MSP) Search prices
 
Delta Air Lines 3191 IAD 7:00pm SEA 11:07pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1823 IAD 7:00pm SEA 11:07pm Minneapolis (MSP) Search prices
 
Delta Air Lines 3191 IAD 7:00pm SEA 11:07pm Minneapolis (MSP) Search prices
 
Northwest Airlines 1823 IAD 7:00pm SEA 11:07pm Minneapolis (MSP) Search prices
 
United Airlines 705 IAD 6:00am SEA 10:33am Chicago (ORD) Search prices
 
US Airways 6539 IAD 6:00am SEA 11:10am Chicago (ORD) Search prices
 
United Airlines 705 IAD 6:00am SEA 10:33am Chicago (ORD) Search prices
 
US Airways 6539 IAD 6:00am SEA 10:33am Chicago (ORD) Search prices
 
US Airways 6539 IAD 6:00am SEA 10:33am Chicago (ORD) Search prices
 
United Airlines 705 IAD 6:00am SEA 11:10am Chicago (ORD) Search prices
 
US Airways 6539 IAD 6:00am SEA 10:28am Chicago (ORD) Search prices
 
United Airlines 705 IAD 6:00am SEA 10:28am Chicago (ORD) Search prices
 
United Airlines 977 IAD 7:55am SEA 12:31pm Chicago (ORD) Search prices
 
United Airlines 977 IAD 7:55am SEA 12:31pm Chicago (ORD) Search prices
 
United Airlines 977 IAD 7:55am SEA 1:55pm Chicago (ORD) Search prices
 
US Airways 6541 IAD 7:55am SEA 2:24pm Chicago (ORD) Search prices
 
US Airways 6541 IAD 7:55am SEA 1:55pm Chicago (ORD) Search prices
 
United Airlines 977 IAD 7:55am SEA 2:24pm Chicago (ORD) Search prices
 
US Airways 6541 IAD 7:55am SEA 12:31pm Chicago (ORD) Search prices
 
US Airways 6541 IAD 7:55am SEA 2:24pm Chicago (ORD) Search prices
 
US Airways 6541 IAD 7:55am SEA 12:31pm Chicago (ORD) Search prices
 
United Airlines 977 IAD 7:55am SEA 2:24pm Chicago (ORD) Search prices
 
United Airlines 141 IAD 8:55am SEA 2:24pm Chicago (ORD) Search prices
 
US Airways 6551 IAD 8:55am SEA 1:55pm Chicago (ORD) Search prices
 
United Airlines 141 IAD 8:55am SEA 1:55pm Chicago (ORD) Search prices
 
United Airlines 141 IAD 8:55am SEA 2:24pm Chicago (ORD) Search prices
 
US Airways 6551 IAD 8:55am SEA 2:24pm Chicago (ORD) Search prices
 
US Airways 6551 IAD 8:55am SEA 2:24pm Chicago (ORD) Search prices
 
US Airways 6543 IAD 10:00am SEA 2:24pm Chicago (ORD) Search prices
 
United Airlines 115 IAD 10:00am SEA 2:24pm Chicago (ORD) Search prices
 
United Airlines 115 IAD 10:00am SEA 2:24pm Chicago (ORD) Search prices
 
US Airways 6543 IAD 10:00am SEA 2:24pm Chicago (ORD) Search prices
 
US Airways 6545 IAD 12:35pm SEA 5:35pm Chicago (ORD) Search prices
 
United Airlines 151 IAD 12:35pm SEA 6:25pm Chicago (ORD) Search prices
 
United Airlines 151 IAD 12:35pm SEA 6:01pm Chicago (ORD) Search prices
 
US Airways 6545 IAD 12:35pm SEA 5:35pm Chicago (ORD) Search prices
 
United Airlines 151 IAD 12:35pm SEA 5:35pm Chicago (ORD) Search prices
 
US Airways 6545 IAD 12:35pm SEA 6:01pm Chicago (ORD) Search prices
 
United Airlines 151 IAD 12:35pm SEA 5:35pm Chicago (ORD) Search prices
 
US Airways 6545 IAD 12:35pm SEA 6:25pm Chicago (ORD) Search prices
 
US Airways 6547 IAD 2:40pm SEA 7:35pm Chicago (ORD) Search prices
 
US Airways 6547 IAD 2:40pm SEA 7:35pm Chicago (ORD) Search prices
 
United Airlines 395 IAD 2:40pm SEA 7:35pm Chicago (ORD) Search prices
 
United Airlines 395 IAD 2:40pm SEA 7:35pm Chicago (ORD) Search prices
 
US Airways 6549 IAD 5:40pm SEA 11:40pm Chicago (ORD) Search prices
 
US Airways 6549 IAD 5:40pm SEA 10:20pm Chicago (ORD) Search prices
 
United Airlines 951 IAD 5:40pm SEA 10:20pm Chicago (ORD) Search prices
 
United Airlines 951 IAD 5:40pm SEA 10:20pm Chicago (ORD) Search prices
 
US Airways 6549 IAD 5:40pm SEA 10:20pm Chicago (ORD) Search prices
 
United Airlines 951 IAD 5:40pm SEA 11:40pm Chicago (ORD) Search prices
 
US Airways 6553 IAD 5:45pm SEA 10:18pm Portland (PDX) Search prices
 
United Airlines 251 IAD 5:45pm SEA 10:18pm Portland (PDX) Search prices
 
Northwest Airlines 8927 IAD 7:15am SEA 12:10pm Salt Lake City (SLC) Search prices
 
Alaska Airlines 6133 IAD 7:15am SEA 12:10pm Salt Lake City (SLC) Search prices
 
Delta Air Lines 1209 IAD 7:15am SEA 12:10pm Salt Lake City (SLC) Search prices
 
Delta Air Lines 1209 IAD 7:15am SEA 12:10pm Salt Lake City (SLC) Search prices
 
American Airlines 5382 IAD 3:15pm SEA 9:55pm Saint Louis (STL) Search prices
 
American Airlines 5382 IAD 3:15pm SEA 9:55pm Saint Louis (STL) Search prices
 
United Airlines 8025 IAD 4:50pm SEA 9:55pm Saint Louis (STL) Search prices
 
US Airways 7415 IAD 4:50pm SEA 9:55pm Saint Louis (STL) Search prices
 
United Airlines 8025 IAD 4:50pm SEA 9:55pm Saint Louis (STL) Search prices
 
United Airlines 8025 IAD 4:50pm SEA 9:55pm Saint Louis (STL) Search prices
 

ATL: Hartsfield-Jackson Atlanta International Airport
BOS: Logan International Airport
CLT: Douglas Airport
DEN: Denver International Airport
DFW: Dallas/Ft. Worth International Airport
DTW: Wayne County Airport
EWR: Newark Liberty International Airport
IAD: Dulles International Airport
JFK: John F. Kennedy International Airport
MDW: Midway Airport
MSP: St Paul International Airport
ORD: O'Hare International Airport
PDX: Portland International Airport
SEA: Seattle/Tacoma International Airport
SLC: Salt Lake City International Airport
STL: Lambert-St. Louis International Airport

Note: Southwest Airlines tickets can be purchsed at Southwest.com.

AirTran
Phone #: 800-247-8726
URL: http://www.airtran.com
Alaska Airlines
Phone #: 800-426-0333
URL: http://www.alaskaair.com
American Airlines
Phone #: 800-433-7300
URL: http://www.aa.com
Continental Airlines
Phone #: 800-523-3273
URL: http://www.continental.com
Delta Air Lines
Phone #: 800-221-1212
URL: http://www.delta.com
JetBlue Airways
Phone #:
URL: http://www.jetblue.com
Northwest Airlines
Phone #: 800-225-2525
URL: http://www.nwa.com
Southwest Airlines
Phone #: 800-435-9792
URL: http://www.iflyswa.com
United Airlines
Phone #: 800-241-6522
URL: http://www.united.com
US Airways
Phone #: 800-428-4322
URL: http://www.usairways.com

For more options, try adding these alternate airports :

Current departures:
Washington (IAD)
Washington (DCA) [23 miles from IAD]
Baltimore (BWI) [45 miles from IAD]
Hagerstown (HGR) [54 miles from IAD]
Current arrivals:
Seattle (SEA)
Seattle (BFI) [6 miles from SEA]
Oak Harbor (ODW) [58 miles from SEA]

Or check your return flight :


From: Month:
To: Day:
 
 



Disclaimer

Smarter Travel Media LLC and Innovata, LLC have used their best efforts to collect and prepare material for inclusion in this travel directory, and cannot warrant that the information is totally complete or accurate.

Data shown in this directory are for information only. Neither Innovata nor Smarter Travel Media LLC will be responsible for the failure of flights to operate at the times listed in this publication, nor for errors herein, nor for failure to make connections with planes, nor for any omissions of data.

Schedules are subject to change without notice. Schedules shown are based on expected flight times as presented to Smarter Travel Media LLC. Weather and other factors may affect operating conditions, and departures and arrivals cannot be guaranteed. The mileage shown is approximate, based on industry standards, and will vary from actual airline mileage received for each flight segment.

Smarter Travel Media LLC and Innovata disclaim any liability to any person for loss or damage caused by errors or omissions in the data contained on this page, whether such errors or omissions result from negligence, accident or other cause.

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