Washington to Seattle (DCA–SEA) — Airlines, Schedules & Connections

DCA Airport Page →
2,323 mi airlines charter/private 32/wk
On-time Some delays Frequent delays
Flight Schedule 8 flights Verified 48m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
JL6363cs
JL Japan
7M8
8:00 AM
EDT T2
10:58 AM
PDT
5h 58m
M T W T F S S
Prices
AY4596cs
AY Finnair
73H
8:00 AM
EDT T2
10:54 AM
PDT
5h 54m
M T W T F S S
Prices
AS1+4
AS Alaska
73H
8:00 AM
EDT T2
10:58 AM
PDT
5h 58m
M T W T F S S
Prices
DL786
DL Delta
32Q
4:39 PM
EDT T2
7:15 PM
PDT
5h 36m
46%
M T W T F S S
Prices
AS3+1
AS Alaska
B38M
5:00 PM
EDT T2
7:59 PM
PDT
5h 59m
M T W T F S S
Prices
DL786
DL Delta
A21N
7:20 AM
PDT TA
3:21 PM
EDT
5h 1m
34%
M T W T F S S
Prices
AS4+1
AS Alaska
73H
8:00 AM
PDT
4:16 PM
EDT
5h 16m
28%
M T W T F S S
Prices
AS2+3
AS Alaska
738
1:46 PM
PDT
9:59 PM
EDT
5h 13m
28%
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
MDW Chicago 7h 13m WN WN Chicago (MDW) to Seattle flights
IND Indianapolis 7h 14m AA ASAYDL Indianapolis (IND) to Seattle flights
DTW Detroit 7h 20m AAAFAM AFASAY Detroit (DTW) to Seattle flights
MSP Minneapolis 7h 30m AAAMDL AFAMAS Minneapolis (MSP) to Seattle flights
CLE Cleveland 7h 36m AAAS ASAY Cleveland (CLE) to Seattle flights
STL St Louis 7h 43m AAWN ASJLQR St Louis (STL) to Seattle flights
ORD Chicago 7h 46m AAASAY AAAFAS Chicago (ORD) to Seattle flights
BNA Nashville 7h 46m AADLWN ASAYDL Nashville (BNA) to Seattle flights
DEN Denver 7h 46m ACF9UA 8CASAY Denver (DEN) to Seattle flights
OKC Oklahoma City 7h 50m AAWN ASJLQR Oklahoma City (OKC) to Seattle flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Washington to Seattle
2 carriers, 32 flights/week nonstop.
2 Airlines 2,323 mi 5h 58m nonstop -3h behind

DCA–SEA is served by 2 airlines with nonstop service. Alaska Airlines and Delta Air Lines lead the route. The flight covers 2,323 miles in approximately 5h 58m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop DCA–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines Also: AY, HA, JL, KE 14 73H, B38M 5h58-5h59 100% Oneworld AY, HA, JL, KE
DL Delta Air Lines 7 32Q 5h36 100% SkyTeam
Aircraft on this route
32Q Airbus A321neo – DL
73H Boeing 737-800 (Winglets) – AS, AY
7M8 Boeing 737 MAX 8 – JL
B38M Boeing 737 MAX 8 – AS
Alliance coverage
Oneworld: AS (14 flights/wk, 67%)
SkyTeam: DL (7 flights/wk, 33%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, DCA to SEA direction.
Mon
5
flights
Tue
5
flights
Wed
4
flights
Thu
4
flights
Fri
5
flights
Sat
4
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
5
Nonstop flights
32
Outbound / wk
21
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for DCA to SEA.
1-STOP
One-Stop Connections
46
Hubs
~7h
Fastest
~30h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
3,545
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
DCA → SEA
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
80%
Return
SEA → DCA
62%
Moderate delays possible. Allow buffer time.
Departing
62%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. DCA delays → SEA delays →

Other ways to reach Seattle from Washington

Nearby airports with service to Seattle–Tacoma International Airport.
Metric DCA→SEA IAD→SEA BWI→SEA
Distance from DCA 23 mi 30 mi
Nonstop airlines 2 20 6
Weekly flights 32 164 32
Flight time 5h 58m 5h 15m 5h 40m
Departure OTP 100%
Airports within 200 miles of DCA with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-3h
Seattle is 3 hours behind Washington.
DCA: EDT · SEA: PDT

When it's 6:00 PM in Washington, it's 3:00 PM in Seattle.
Distance & Flight Time
2,323 mi / 3,738 km
Nonstop flight time is approximately 5h 58m gate to gate.
Getting to DCA

The DC Metro (Yellow and Blue lines) connects the airport directly to downtown Washington in 15–25 minutes from most central stations ($2.25–$3.85 depending on distance and time of day). The Reagan National Airport station is inside the terminal complex with a direct indoor walkway. Metro runs from about 05:00 to midnight Sunday–Thursday, and until 01:00 on Friday–Saturday.Taxis and Uber/Lyft from the city centre cost $15–30 depending on destination and traffic. DCA is one of the most transit-accessible major US airports. Driving is straightforward via the George Washington Memorial Parkway; short-term parking at the terminal costs from $5 for 20 minutes. No personal vehicles are allowed to idle at arrivals; use the cell-phone lot or commercial pick-up zones.

Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

DCA–SEA Quick Facts

Key statistics for the Washington to Seattle route.
Route details
Distance2,323 mi / 3,738 km
Flight time5h 58m
Time difference-3 hours
Airlines (nonstop)2
Weekly flights32 out / 21 return
1-stop connectionsAvailable
Origin: DCA
IATA / ICAODCA / KDCA
TimezoneAmerica/New_York
Passengers/yr25.5M
Elevation15 ft / 5 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr50.8M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about DCA to SEA flights.
Nonstop flights from Ronald Reagan Washington National Airport to Seattle–Tacoma International Airport take about 5h 58m gate to gate. The route covers 2,323 miles.
2 airlines operate flights from DCA to SEA: Alaska Airlines and Delta Air Lines.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Chicago Midway, Indianapolis and Detroit Metropolitan Wayne County.
Seattle is 3 hours behind Washington.
Yes, return flights from SEA to DCA are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include IAD and BWI. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from DCA to SEA

Ronald Reagan Washington National Airport (DCA) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Alaska Airlines and Delta Air Lines. With 32 weekly departures, this is a heavily served route.

DCA to SEA Flight Duration and Schedule

Nonstop flight time from DCA to SEA is about 5 hours 58 minutes gate to gate. The route covers a distance of 2,323 miles (3,738 km). There are approximately 32 weekly flights outbound and 21 return, totaling 53 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Chicago Midway, Indianapolis and Detroit Metropolitan Wayne County. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Dulles (IAD) and Baltimore (BWI).