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Fares from Seattle to Washington DC
Compare live prices for SEA to DCA on Wed, 15 Apr 2026. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
SEA → DCA Approx. 3738.14 km 15 Apr 2026 Live inventory
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Showing 25 of 141 live flights
Delta Air Lines
DL-1239
19:35
04/15/2026
SEA
10h 25m
1 Stop
⏱ SLC · 1h 16m
06:00
04/16/2026
+1
BWI
₹11,112
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-4205
19:10
04/15/2026
SEA
10h 35m
1 Stop
⏱ SMF · 0h 50m
05:45
04/16/2026
+1
BWI
₹12,980
per person
✓ Refundable4 fare options
Southwest Airlines
WN-1807
06:00
04/15/2026
SEA
11h 25m
2 Stops
⏱ MDW · 0h 50m⏱ SDF · 0h 40m
17:25
04/15/2026
BWI
₹13,474
per person
✓ Refundable4 fare options
Southwest Airlines
WN-1310
06:30
04/15/2026
SEA
11h 50m
2 Stops
⏱ DEN · 0h 50m⏱ BHM · 0h 50m
18:20
04/15/2026
BWI
₹13,474
per person
✓ Refundable4 fare options
Delta Air Lines
DL-541
15:59
04/15/2026
SEA
7h 56m
Non-stop
23:55
04/15/2026
IAD
₹15,696
per person
✕ Non-refundable4 fare options
Southwest Airlines Dallas
WN-3951
23:45
04/15/2026
SEA
11h 25m
1 Stop
⏱ MDW · 2h 35m
11:10
04/16/2026
+1
DCA
₹16,196
per person
✕ Non-refundable7 fare options
Southwest Airlines Dallas
WN-1807
06:00
04/15/2026
SEA
10h 15m
1 Stop
⏱ MDW · 1h 30m
16:15
04/15/2026
DCA
₹16,196
per person
✕ Non-refundable7 fare options
United Airlines
UA-747
23:59
04/15/2026
SEA
9h 40m
1 Stop
⏱ ORD · 0h 46m
09:39
04/16/2026
+1
BWI
₹16,239
per person
✕ Non-refundable5 fare options
American Airlines
AA-2791
13:33
04/15/2026
SEA
10h 23m
1 Stop
⏱ CLT · 0h 39m
23:56
04/15/2026
BWI
₹16,239
per person
✕ Non-refundable9 fare options
American Airlines
AA-2741
13:19
04/15/2026
SEA
10h 37m
1 Stop
⏱ ORD · 1h 0m
23:56
04/15/2026
BWI
₹16,239
per person
✕ Non-refundable🔥 Last 3 seats9 fare options
American Airlines
AA-2398
23:33
04/15/2026
SEA
11h 38m
1 Stop
⏱ ORD · 2h 26m
11:11
04/16/2026
+1
BWI
₹16,239
per person
✕ Non-refundable9 fare options
American Airlines
AA-767
11:41
04/15/2026
SEA
11h 28m
1 Stop
⏱ DFW · 1h 15m
23:09
04/15/2026
BWI
₹16,239
per person
✕ Non-refundable🔥 Last 2 seats9 fare options
American Airlines
AA-2748
06:00
04/15/2026
SEA
12h 27m
1 Stop
⏱ DFW · 2h 20m
18:27
04/15/2026
BWI
₹16,239
per person
✕ Non-refundable5 fare options
United Airlines
UA-2866
17:45
04/15/2026
SEA
12h 15m
1 Stop
⏱ SFO · 1h 27m
06:00
04/16/2026
+1
BWI
₹16,239
per person
✕ Non-refundable🔥 Last 3 seats5 fare options
United Airlines
UA-1298
06:00
04/15/2026
SEA
12h 22m
1 Stop
⏱ LAX · 1h 30m
18:22
04/15/2026
BWI
₹16,239
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-1807
06:00
04/15/2026
SEA
9h 50m
1 Stop
⏱ MDW · 1h 0m
15:50
04/15/2026
BWI
₹16,551
per person
✕ Non-refundable9 fare options
Southwest Airlines Dallas
WN-1807
06:00
04/15/2026
SEA
12h 40m
1 Stop
⏱ MDW · 1h 55m
18:40
04/15/2026
DCA
₹16,696
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-1807
06:00
04/15/2026
SEA
13h 10m
1 Stop
⏱ MDW · 4h 20m
19:10
04/15/2026
DCA
₹16,723
per person
✕ Non-refundable4 fare options
American Airlines
AA-4291
18:19
04/15/2026
SEA
14h 41m
2 Stops
⏱ PHX · 2h 40m⏱ CLT · 0h 35m
09:00
04/16/2026
+1
BWI
₹16,733
per person
✕ Non-refundable🔥 Last 4 seats9 fare options
American Airlines
AA-2791
13:33
04/15/2026
SEA
10h 26m
1 Stop
⏱ CLT · 0h 40m
23:59
04/15/2026
DCA
₹16,821
per person
✓ Refundable12 fare options
American Airlines
AA-2741
13:19
04/15/2026
SEA
10h 38m
1 Stop
⏱ ORD · 1h 12m
23:57
04/15/2026
DCA
₹16,821
per person
✓ Refundable12 fare options
American Airlines
AA-2003
23:55
04/15/2026
SEA
11h 8m
1 Stop
⏱ DFW · 1h 10m
11:03
04/16/2026
+1
DCA
₹16,821
per person
✓ Refundable12 fare options
American Airlines
AA-2775
11:16
04/15/2026
SEA
12h 41m
1 Stop
⏱ ORD · 3h 15m
23:57
04/15/2026
DCA
₹16,821
per person
✓ Refundable7 fare options
Southwest Airlines
WN-1807
06:00
04/15/2026
SEA
12h 10m
2 Stops
⏱ MDW · 0h 45m⏱ ATL · 0h 45m
18:10
04/15/2026
DCA
₹16,871
per person
✕ Non-refundable4 fare options
Southwest Airlines
WN-3936
06:50
04/15/2026
SEA
14h 0m
2 Stops
⏱ PHX · 1h 30m⏱ DAL · 1h 30m
20:50
04/15/2026
DCA
₹16,871
per person
✕ Non-refundable🔥 Last 1 seats4 fare options
😕 No flights match your filters.
Seattle (SEA)
📍 Seattle Tacoma International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 47.449001
📐 Longitude: -122.308998
Washington DC (DCA)
📍 Ronald Reagan Washington National Airport
🌍 United States
🕐 GMT -5
📐 Latitude: 38.8521
📐 Longitude: -77.037697

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

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

Seattle to Washington DC — what to expect when booking

The SEA–DCA 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 Seattle,USA and Washington DC,USA is approximately 3738.14 km.

Before you book

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More flights from Seattle (SEA)
87 routes
Seattle Albuquerque
SEA → ABQ
Seattle Amsterdam
SEA → AMS
Seattle Anchorage
SEA → ANC
Seattle Atlanta
SEA → ATL
Seattle Austin
SEA → AUS
Seattle Beijing
SEA → PEK
Seattle Bellingham
SEA → BLI
Seattle Billings
SEA → BIL
Seattle Boise
SEA → BOI
Seattle Boston
SEA → BOS
Seattle Bozeman
SEA → BZN
Seattle Burbank
SEA → BUR
Seattle Calgary
SEA → YYC
Seattle Charlotte
SEA → CLT
Seattle Chicago
SEA → ORD
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
SEA → FLL
Seattle Fort Worth
SEA → DFW
Seattle Frankfurt
SEA → FRA
Seattle Fresno
SEA → FAT
Seattle Great Falls
SEA → GTF
Seattle Helena
SEA → HLN
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 → JFK
Seattle Oakland
SEA → OAK
Seattle Omaha
SEA → OMA
Seattle Ontario
SEA → ONT
Seattle Orlando
SEA → MCO
Seattle Palm Springs
SEA → PSP
Seattle Paris
SEA → CDG
Seattle Pasco
SEA → PSC
Seattle Philadelphia
SEA → PHL
Seattle Phoenix
SEA → PHX
Seattle Portland International
SEA → PDX
Seattle Pullman
SEA → PUW
Seattle Redmond
SEA → RDM
Seattle Reno
SEA → RNO
Seattle Reykjavik
SEA → KEF
Seattle Sacramento
SEA → SMF
Seattle Salt Lake City
SEA → SLC
Seattle San Antonio
SEA → SAT
Seattle San Diego
SEA → SAN
Seattle San Francisco
SEA → SFO
Seattle San Jose
SEA → SJC
Seattle Santa Ana
SEA → SNA
Seattle Santa Barbara
SEA → SBA
Seattle Santa Rosa
SEA → STS
Seattle Seoul
SEA → ICN
Seattle Shanghai
SEA → PVG
Seattle Spokane
SEA → GEG
Seattle St. Louis
SEA → STL
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 Wenatchee
SEA → EAT
Seattle Yakima
SEA → YKM
More flights from Washington DC (DCA)
87 routes
Washington DC Akron
DCA → CAK
Washington DC Albany
DCA → ALB
Washington DC Atlanta
DCA → ATL
Washington DC Augusta
DCA → AGS
Washington DC Austin
DCA → AUS
Washington DC Bangor
DCA → BGR
Washington DC Birmingham
DCA → BHM
Washington DC Boston
DCA → BOS
Washington DC Buffalo
DCA → BUF
Washington DC Burlington
DCA → BTV
Washington DC Charleston
DCA → CHS
Washington DC Charlotte
DCA → CLT
Washington DC Chattanooga
DCA → CHA
Washington DC Chicago
DCA → ORD
Washington DC Cincinnati
DCA → CVG
Washington DC Cleveland
DCA → CLE
Washington DC Columbia
DCA → CAE
Washington DC Columbus
DCA → CMH
Washington DC Dayton
DCA → DAY
Washington DC Denver
DCA → DEN
Washington DC Des Moines
DCA → DSM
Washington DC Detroit
DCA → DTW
Washington DC Fayetteville
DCA → FAY
Washington DC Fort Lauderdale
DCA → FLL
Washington DC Fort Myers
DCA → RSW
Washington DC Fort Walton Beach
DCA → VPS
Washington DC Fort Worth
DCA → DFW
Washington DC Greensboro
DCA → GSO
Washington DC Greenville
DCA → GSP
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
DCA → PWM
Washington DC Providence
DCA → PVD
Washington DC Raleigh
DCA → RDU
Washington DC Rochester
DCA → ROC
Washington DC Salt Lake City
DCA → SLC
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 Seattle
DCA → SEA
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
DCA → HPN
Washington DC Wilmington
DCA → ILM
❓ Frequently asked questions — Seattle to Washington DC 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 Seattle,USA (SEA) and Washington DC,USA (DCA) 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.