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Fares from Washington DC to Seattle
Compare live prices for DCA to SEA on Wed, 15 Apr 2026. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
DCA → SEA Approx. 3738.14 km 15 Apr 2026 Live inventory
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Showing 25 of 176 live flights
Delta Air Lines
DL-2601
06:03
04/15/2026
BWI
4h 29m
1 Stop
⏱ DTW · 0h 50m
10:32
04/15/2026
SEA
₹11,112
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-1392
12:27
04/15/2026
BWI
6h 1m
1 Stop
⏱ DTW · 2h 27m
18:28
04/15/2026
SEA
₹11,112
per person
✕ Non-refundable4 fare options
Delta Air Lines
DL-1015
07:00
04/15/2026
IAD
2h 54m
Non-stop
09:54
04/15/2026
SEA
₹15,696
per person
✕ Non-refundable5 fare options
American Airlines
AA-1930
16:11
04/15/2026
BWI
6h 36m
1 Stop
⏱ DFW · 1h 39m
22:47
04/15/2026
SEA
₹16,239
per person
✕ Non-refundable🔥 Last 4 seats9 fare options
American Airlines
AA-2670
06:12
04/15/2026
BWI
6h 21m
1 Stop
⏱ CLT · 1h 57m
12:33
04/15/2026
SEA
₹16,239
per person
✕ Non-refundable🔥 Last 2 seats9 fare options
United Airlines
UA-590
15:42
04/15/2026
BWI
7h 0m
1 Stop
⏱ ORD · 3h 0m
22:42
04/15/2026
SEA
₹16,239
per person
✕ Non-refundable5 fare options
United Airlines
UA-1400
11:08
04/15/2026
BWI
7h 52m
1 Stop
⏱ ORD · 3h 54m
19:00
04/15/2026
SEA
₹16,239
per person
✕ Non-refundable5 fare options
American Airlines
AA-4487
05:39
04/15/2026
BWI
6h 50m
1 Stop
⏱ ORD · 2h 36m
12:29
04/15/2026
SEA
₹16,239
per person
✕ Non-refundable9 fare options
alaskaairlines
AS-351
07:00
04/15/2026
IAD
2h 53m
Non-stop
09:53
04/15/2026
SEA
₹16,283
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-1747
15:40
04/15/2026
DCA
8h 30m
1 Stop
⏱ MDW · 4h 50m
00:10
04/16/2026
+1
SEA
₹16,723
per person
✕ Non-refundable4 fare options
American Airlines
AA-5601
13:45
04/15/2026
DCA
7h 38m
1 Stop
⏱ PHL · 3h 8m
21:23
04/15/2026
SEA
₹16,821
per person
✓ Refundable9 fare options
American Airlines
AA-1022
06:00
04/15/2026
DCA
7h 15m
1 Stop
⏱ DFW · 2h 20m
13:15
04/15/2026
SEA
₹16,821
per person
✓ Refundable9 fare options
American Airlines
AA-1576
08:59
04/15/2026
DCA
6h 52m
1 Stop
⏱ DFW · 1h 53m
15:51
04/15/2026
SEA
₹16,821
per person
✓ Refundable9 fare options
American Airlines
AA-1686
05:00
04/15/2026
DCA
7h 33m
1 Stop
⏱ CLT · 3h 20m
12:33
04/15/2026
SEA
₹16,821
per person
✕ Non-refundable9 fare options
American Airlines
AA-3244
06:42
04/15/2026
DCA
5h 51m
1 Stop
⏱ CLT · 1h 21m
12:33
04/15/2026
SEA
₹16,821
per person
✓ Refundable14 fare options
American Airlines
AA-3307
15:15
04/15/2026
DCA
7h 23m
1 Stop
⏱ ORD · 3h 9m
22:38
04/15/2026
SEA
₹16,821
per person
✓ Refundable14 fare options
American Airlines
AA-2903
05:55
04/15/2026
DCA
6h 34m
1 Stop
⏱ ORD · 2h 23m
12:29
04/15/2026
SEA
₹16,821
per person
✓ Refundable14 fare options
Southwest Airlines
WN-2440
16:30
04/15/2026
IAD
6h 0m
1 Stop
⏱ DEN · 2h 0m
22:30
04/15/2026
SEA
₹17,543
per person
✓ Refundable🔥 Last 1 seats4 fare options
Delta Air Lines
DL-2872
06:08
04/15/2026
BWI
4h 47m
1 Stop
⏱ MSP · 1h 8m
10:55
04/15/2026
SEA
₹17,637
per person
✕ Non-refundable4 fare options
American Airlines
AA-1839
06:57
04/15/2026
DCA
6h 18m
1 Stop
⏱ DFW · 1h 19m
13:15
04/15/2026
SEA
₹17,754
per person
✓ Refundable9 fare options
Southwest Airlines Dallas
WN-192
07:55
04/15/2026
DCA
4h 50m
1 Stop
⏱ MDW · 1h 15m
12:45
04/15/2026
SEA
₹18,549
per person
✕ Non-refundable7 fare options
American Airlines
AA-3502
18:31
04/15/2026
BWI
6h 5m
1 Stop
⏱ ORD · 1h 55m
00:36
04/16/2026
+1
SEA
₹19,873
per person
✕ Non-refundable🔥 Last 4 seats9 fare options
American Airlines
AA-1200
09:32
04/15/2026
DCA
4h 55m
1 Stop
⏱ ORD · 0h 51m
14:27
04/15/2026
SEA
₹20,082
per person
✓ Refundable14 fare options
American Airlines
AA-3763
06:58
04/15/2026
DCA
5h 31m
1 Stop
⏱ ORD · 1h 11m
12:29
04/15/2026
SEA
₹20,082
per person
✓ Refundable14 fare options
American Airlines
AA-1650
17:00
04/15/2026
DCA
7h 44m
1 Stop
⏱ DFW · 2h 47m
00:44
04/16/2026
+1
SEA
₹20,082
per person
✓ Refundable9 fare options
😕 No flights match your filters.
Washington DC (DCA)
📍 Ronald Reagan Washington National Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 38.8521
📐 Longitude: -77.037697
Seattle (SEA)
📍 Seattle Tacoma International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 47.449001
📐 Longitude: -122.308998

✈ Distance: Washington DC,USA to Seattle,USA3738.14 km

📅 Results on this page are loaded for 15 Apr 2026. Click View all flights for the complete live search.

Washington DC to Seattle — what to expect when booking

The DCA–SEA route is served by multiple carriers throughout the year. Fares on this route can move quickly — a price available now may not be there 30 minutes later.

If your dates are flexible, try shifting your departure by a day or two using the date strip above. Mid-week departures often show lower base fares compared to weekend starts on many routes.

The distance between Washington DC,USA and Seattle,USA is approximately 3738.14 km.

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More flights from Washington DC (DCA)
86 routes
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Washington DC Charleston
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Washington DC Charlotte
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Washington DC Chattanooga
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Washington DC Columbia
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Washington DC Columbus
DCA → CMH
Washington DC Dayton
DCA → DAY
Washington DC Denver
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Washington DC Des Moines
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Washington DC Detroit
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Washington DC Fayetteville
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Washington DC Greenville
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Washington DC Halifax International
DCA → YHZ
Washington DC Hartford
DCA → BDL
Washington DC Hilton Head Island
DCA → HHH
Washington DC Houston
DCA → IAH
Washington DC Houston
DCA → HOU
Washington DC Huntsville
DCA → HSV
Washington DC Indianapolis
DCA → IND
Washington DC Jackson
DCA → JAN
Washington DC Jacksonville
DCA → JAX
Washington DC Kansas City
DCA → MCI
Washington DC Knoxville
DCA → TYS
Washington DC Lansing
DCA → LAN
Washington DC Las Vegas
DCA → LAS
Washington DC Lexington
DCA → LEX
Washington DC Little Rock
DCA → LIT
Washington DC Long Island
DCA → ISP
Washington DC Los Angeles
DCA → LAX
Washington DC Louisville
DCA → SDF
Washington DC Madison
DCA → MSN
Washington DC Manchester
DCA → MHT
Washington DC Memphis
DCA → MEM
Washington DC Miami
DCA → MIA
Washington DC Milwaukee
DCA → MKE
Washington DC Minneapolis
DCA → MSP
Washington DC Montreal
DCA → YUL
Washington DC Myrtle Beach
DCA → MYR
Washington DC Nashville
DCA → BNA
Washington DC Nassau
DCA → NAS
Washington DC New Orleans
DCA → MSY
Washington DC New York
DCA → EWR
Washington DC Norfolk
DCA → ORF
Washington DC Omaha
DCA → OMA
Washington DC Orlando
DCA → MCO
Washington DC Ottawa
DCA → YOW
Washington DC Pensacola
DCA → PNS
Washington DC Philadelphia
DCA → PHL
Washington DC Phoenix
DCA → PHX
Washington DC Pittsburgh International Airport
DCA → PIT
Washington DC Portland International
DCA → PDX
Washington DC Portland
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Washington DC Providence
DCA → PVD
Washington DC Raleigh
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Washington DC Rochester
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Washington DC Salt Lake City
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Washington DC San Diego
DCA → SAN
Washington DC San Francisco
DCA → SFO
Washington DC San Juan
DCA → SJU
Washington DC Sarasota
DCA → SRQ
Washington DC Savannah
DCA → SAV
Washington DC St. Louis
DCA → STL
Washington DC Syracuse
DCA → SYR
Washington DC Tallahassee
DCA → TLH
Washington DC Tampa
DCA → TPA
Washington DC Toronto
DCA → YYZ
Washington DC West Palm Beach
DCA → PBI
Washington DC White Plains
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Washington DC Wilmington
DCA → ILM
More flights from Seattle (SEA)
88 routes
Seattle Albuquerque
SEA → ABQ
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SEA → ANC
Seattle Atlanta
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Seattle Austin
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Seattle Bellingham
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Seattle Boston
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Seattle Bozeman
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Seattle Burbank
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Seattle Calgary
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Seattle Charlotte
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Seattle Chicago
SEA → MDW
Seattle Colorado Springs
SEA → COS
Seattle Dallas
SEA → DAL
Seattle Denver
SEA → DEN
Seattle Detroit
SEA → DTW
Seattle Dubai
SEA → DXB
Seattle Edmonton
SEA → YEG
Seattle Eugene
SEA → EUG
Seattle Fairbanks
SEA → FAI
Seattle Fort Lauderdale
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Seattle Fort Worth
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Seattle Frankfurt
SEA → FRA
Seattle Fresno
SEA → FAT
Seattle Great Falls
SEA → GTF
Seattle Helena
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Seattle Honolulu
SEA → HNL
Seattle Houston
SEA → IAH
Seattle Juneau
SEA → JNU
Seattle Kahului
SEA → OGG
Seattle Kalispell
SEA → FCA
Seattle Kansas City
SEA → MCI
Seattle Kelowna
SEA → YLW
Seattle Ketchikan
SEA → KTN
Seattle Kona
SEA → KOA
Seattle Las Vegas
SEA → LAS
Seattle Lewiston
SEA → LWS
Seattle Lihue
SEA → LIH
Seattle London
SEA → LHR
Seattle Long Beach
SEA → LGB
Seattle Los Angeles
SEA → LAX
Seattle Medford
SEA → MFR
Seattle Miami
SEA → MIA
Seattle Milwaukee
SEA → MKE
Seattle Minneapolis
SEA → MSP
Seattle Missula
SEA → MSO
Seattle New York
SEA → EWR
Seattle Oakland
SEA → OAK
Seattle Omaha
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Seattle Ontario
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Seattle Orlando
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Seattle Palm Springs
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Seattle Paris
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Seattle Pasco
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Seattle Philadelphia
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Seattle Phoenix
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Seattle Portland International
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Seattle Pullman
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Seattle Redmond
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Seattle Reno
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Seattle Reykjavik
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Seattle Sacramento
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Seattle Salt Lake City
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Seattle San Antonio
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Seattle San Diego
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Seattle San Francisco
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Seattle San Jose
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Seattle Santa Ana
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Seattle Santa Barbara
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Seattle Santa Rosa
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Seattle Seoul
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Seattle Shanghai
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Seattle Spokane
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Seattle St. Louis
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Seattle Taipei
SEA → TPE
Seattle Tampa
SEA → TPA
Seattle Tokyo
SEA → HND
Seattle Toronto
SEA → YYZ
Seattle Tucson
SEA → TUS
Seattle Vancouver
SEA → YVR
Seattle Victoria
SEA → YYJ
Seattle Walla Walla
SEA → ALW
Seattle Washington DC
SEA → BWI
Seattle Wenatchee
SEA → EAT
Seattle Yakima
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❓ Frequently asked questions — Washington DC to Seattle flights

Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.

The straight-line distance between Washington DC,USA (DCA) and Seattle,USA (SEA) is approximately 3738.14 km. Actual flying distance may vary slightly depending on routing.

Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.

Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.