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Washington DC (DCA) to Seattle (SEA) Flights from ₹12,776

Fares on this route currently start from ₹12,776. Compare live DCA to SEA prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
DCA → SEA Approx. 3738.14 km 14 Jul 2026 Live inventory
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Showing 25 of 157 live flights
Frontier Airlines
F9-689
18:00
07/14/2026
DCA
Ronald Reagan Washington National Airport
17h 20m
1 Stop
⏱ DEN · 13h 6mDEN Airport
11:20
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹12,776
per person
✕ Non-refundable
Southwest Airlines
WN-1651
16:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
7h 40m
1 Stop
⏱ LAS · 2h 55mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹17,266
per person
✕ Non-refundable5 fare options
Frontier Airlines
F9-689
18:00
07/14/2026
DCA
Ronald Reagan Washington National Airport
15h 17m
1 Stop
⏱ DEN · 11h 6mDEN Airport
09:17
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹17,689
per person
✕ Non-refundable
Frontier Airlines
F9-685
07:00
07/14/2026
DCA
Ronald Reagan Washington National Airport
26h 17m
1 Stop
⏱ DEN · 22h 12mDEN Airport
09:17
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹17,689
per person
✕ Non-refundable
Frontier Airlines
F9-4277
09:50
07/14/2026
IAD
Ronald Reagan Washington National Airport
24h 49m
1 Stop
⏱ LAS · 20h 0mLAS Airport
10:39
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹17,690
per person
✕ Non-refundable
Alaska Airlines
AS-201
19:53
07/14/2026
IAD
Ronald Reagan Washington National Airport
13h 26m
1 Stop
⏱ SAN · 8h 1mSAN Airport
09:19
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹17,976
per person
✓ Refundable3 fare options
Southwest Airlines
WN-955
16:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
7h 40m
2 Stops
⏱ OKC · 0h 55mOKC Airport⏱ LAS · 1h 25mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹19,853
per person
✕ Non-refundable4 fare options
JetBlue Airways
B6-2954
17:00
07/14/2026
DCA
Ronald Reagan Washington National Airport
5h 54m
1 Stop
⏱ BOS · 0h 47mBOS Airport
22:54
07/14/2026
SEA
Seattle Tacoma International Airport
₹20,240
per person
✕ Non-refundable3 fare options
JetBlue Airways
B6-1354
14:25
07/14/2026
DCA
Ronald Reagan Washington National Airport
8h 29m
1 Stop
⏱ BOS · 3h 29mBOS Airport
22:54
07/14/2026
SEA
Seattle Tacoma International Airport
₹20,240
per person
✕ Non-refundable3 fare options
JetBlue Airways
B6-1254
13:25
07/14/2026
DCA
Ronald Reagan Washington National Airport
9h 29m
1 Stop
⏱ BOS · 4h 30mBOS Airport
22:54
07/14/2026
SEA
Seattle Tacoma International Airport
₹20,774
per person
✕ Non-refundable3 fare options
United Airlines
UA-1831
17:42
07/14/2026
IAD
Ronald Reagan Washington National Airport
6h 2m
1 Stop
⏱ EWR · 1h 20mEWR Airport
23:44
07/14/2026
SEA
Seattle Tacoma International Airport
₹21,629
per person
✕ Non-refundable3 fare options
Southwest Airlines
WN-955
16:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
7h 50m
1 Stop
⏱ PHX · 1h 45mPHX Airport
00:45
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹21,680
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
Southwest Airlines
WN-4479
16:25
07/14/2026
DCA
Ronald Reagan Washington National Airport
8h 0m
1 Stop
⏱ MDW · 4h 20mMDW Airport
00:25
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹21,709
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
Southwest Airlines
WN-480
15:00
07/14/2026
DCA
Ronald Reagan Washington National Airport
9h 45m
2 Stops
⏱ MCI · 3h 20mMCI Airport⏱ PHX · 1h 0mPHX Airport
00:45
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹21,929
per person
✕ Non-refundable
Southwest Airlines
WN-225
11:45
07/14/2026
DCA
Ronald Reagan Washington National Airport
12h 50m
3 Stops
⏱ ATL · 0h 35mATL Airport⏱ STL · 1h 35mSTL Airport⏱ LAS · 4h 0mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹22,430
per person
✕ Non-refundable
Southwest Airlines
WN-2710
18:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
5h 30m
1 Stop
⏱ MDW · 1h 45mMDW Airport
00:25
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹22,606
per person
✕ Non-refundable🔥 Last 3 seats5 fare options
Southwest Airlines
WN-311
11:35
07/14/2026
DCA
Ronald Reagan Washington National Airport
13h 10m
1 Stop
⏱ LAX · 2h 40mLAX Airport
00:45
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹22,691
per person
✕ Non-refundable🔥 Last 2 seats5 fare options
Southwest Airlines
WN-1445
12:00
07/14/2026
DCA
Ronald Reagan Washington National Airport
12h 35m
2 Stops
⏱ MDW · 4h 50mMDW Airport⏱ LAS · 1h 5mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹22,959
per person
✕ Non-refundable🔥 Last 3 seats
Southwest Airlines
WN-955
16:55
07/14/2026
DCA
Ronald Reagan Washington National Airport
7h 50m
2 Stops
⏱ OKC · 0h 40mOKC Airport⏱ PHX · 1h 45mPHX Airport
00:45
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹22,999
per person
✕ Non-refundable🔥 Last 1 seats
Southwest Airlines
WN-976
18:40
07/14/2026
BWI
Ronald Reagan Washington National Airport
5h 55m
1 Stop
⏱ LAS · 1h 10mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹23,728
per person
✓ Refundable4 fare options
Southwest Airlines
WN-4479
16:25
07/14/2026
DCA
Ronald Reagan Washington National Airport
8h 10m
2 Stops
⏱ MDW · 1h 10mMDW Airport⏱ LAS · 1h 20mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹23,912
per person
✕ Non-refundable🔥 Last 2 seats
Southwest Airlines
WN-149
10:40
07/14/2026
DCA
Ronald Reagan Washington National Airport
14h 5m
1 Stop
⏱ PHX · 6h 30mPHX Airport
00:45
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹24,029
per person
✕ Non-refundable🔥 Last 3 seats
Southwest Airlines
WN-149
10:40
07/14/2026
DCA
Ronald Reagan Washington National Airport
12h 55m
1 Stop
⏱ PHX · 3h 50mPHX Airport
23:35
07/14/2026
SEA
Seattle Tacoma International Airport
₹24,122
per person
✕ Non-refundable🔥 Last 1 seats5 fare options
Southwest Airlines
WN-1445
12:00
07/14/2026
DCA
Ronald Reagan Washington National Airport
12h 35m
2 Stops
⏱ MDW · 5h 40mMDW Airport⏱ LAS · 1h 20mLAS Airport
00:35
07/15/2026
+1
SEA
Seattle Tacoma International Airport
₹24,441
per person
✕ Non-refundable🔥 Last 1 seats
American Airlines
AA-365
05:00
07/14/2026
DCA
Ronald Reagan Washington National Airport
4h 47m
1 Stop
⏱ CLT · 0h 39mCLT Airport
09:47
07/14/2026
SEA
Seattle Tacoma International Airport
₹24,723
per person
✕ Non-refundable12 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 14 Jul 2026. Click Load more flights to expand the full list on this page.

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.

Before you book

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More flights from Washington DC (DCA)
86 routes
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Washington DC Huntsville
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Washington DC Indianapolis
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Washington DC Jackson
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Washington DC Jacksonville
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Washington DC Kansas City
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Washington DC Knoxville
DCA → TYS
Washington DC Lansing
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Washington DC Las Vegas
DCA → LAS
Washington DC Lexington
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Washington DC Little Rock
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Washington DC Long Island
DCA → ISP
Washington DC Los Angeles
DCA → LAX
Washington DC Louisville
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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
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Washington DC Montreal
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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
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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
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Washington DC Rochester
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Washington DC Salt Lake City
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Washington DC San Diego
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Washington DC San Francisco
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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
DCA → HPN
Washington DC Wilmington
DCA → ILM
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Seattle Burbank
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Seattle Calgary
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Seattle Colorado Springs
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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
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 → EWR
Seattle Oakland
SEA → OAK
Seattle Omaha
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Seattle Ontario
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Seattle Orlando
SEA → MCO
Seattle Palm Springs
SEA → PSP
Seattle Paris
SEA → CDG
Seattle Pasco
SEA → PSC
Seattle Philadelphia
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Seattle Phoenix
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Seattle Portland International
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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
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Seattle Santa Barbara
SEA → SBA
Seattle Santa Rosa
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Seattle Seoul
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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 Washington DC
SEA → BWI
Seattle Wenatchee
SEA → EAT
Seattle Yakima
SEA → YKM
❓ 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.