Dallas to Seattle (DAL–SEA) — Airlines, Schedules & Connections

DAL Airport Page →
1,668 mi airlines 7/wk
On-time Some delays Frequent delays
Flight Schedule 3 flights Verified 3h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN978
WN Southwest
B38M
8:00 AM
CDT T1
9:59 AM
PDT
3h 59m
M T W T F S S
Prices
WN3389
WN Southwest
7M8
1:10 PM
PDT
7:00 PM
CDT
3h 50m
M T W T F S S
Prices
SY8708
SY Sun Country
738
11:30 PM
PDT
5:16 AM+1
CDT
3h 46m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Dallas to Seattle
2 carriers, 7 flights/week nonstop.
2 Airlines 7 Flights/wk 1,668 mi 3h 59m nonstop -2h behind 103 1-stop hubs

DAL–SEA is served by 2 airlines with nonstop service. Southwest Airlines and Sun Country Airlines lead the route. The flight covers 1,668 miles in approximately 3h 59m. Beyond nonstop, 103 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop DAL–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 7 B38M 3h59 63%
SY Sun Country Airlines 1 63%
Aircraft on this route
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: SY + WN (8 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, DAL to SEA direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
9
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for DAL to SEA.
1-STOP
One-Stop Connections
103
Hubs
~3h
Fastest
~30h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,884
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.

Other ways to reach Seattle from Dallas

Nearby airports with service to Seattle–Tacoma International Airport.
Metric DAL→SEA DFW→SEA FTW→SEA
Distance from DAL 12 mi 30 mi
Nonstop airlines 2 17 2
Weekly flights 7 360
Flight time 3h 59m 3h 22m 1h 43m
Departure OTP 63%
Airports within 200 miles of DAL with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Seattle is 2 hours behind Dallas.
DAL: CDT · SEA: PDT

When it's 6:00 PM in Dallas, it's 4:00 PM in Seattle.
Distance & Flight Time
1,668 mi / 2,685 km
Nonstop flight time is approximately 3h 59m.
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.

DAL–SEA Quick Facts

Key statistics for the Dallas to Seattle route.
Route details
Distance1,668 mi / 2,685 km
Flight time3h 59m
Time difference-2 hours
Airlines (nonstop)2
Weekly flights7 out / 9 return
1-stop connections103 hubs
Origin: DAL
IATA / ICAODAL / KDAL
TimezoneAmerica/Chicago
Passengers/yr17.3M
Elevation487 ft / 148 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about DAL to SEA flights.
Nonstop flights from Dallas Love Field to Seattle–Tacoma International Airport take approximately 3h 59m. The route covers 1,668 miles.
2 airlines operate nonstop service: Sun Country Airlines and Southwest Airlines.
There are approximately 7 nonstop flights per week from DAL to SEA. The return direction has about 9 weekly flights.
Yes, 1-stop connections are available through ASE, GEG, FAR, FXE, BOI, SUN, SCK, COS, HLN, IDA, HRL, MSO, AFW, VNY, AZA, MHK, BIL, HOU, BZN, SBP, FCA, EGE, ICT, YVR, JAC, MTY, NUQ, PRB, YYC, HDN, RNO, MEM, STS, SBA, IAH, BFI, MRY, PSP, CLE, PVR, GSO, CVG, TEB, DTW, GDL, CUN, YYZ, IAD, JFK, RSW, BZE, LIR, EWR, SJO, CHS, ELP, PIT, LIH, SFO, PDX, MIA, ORD, OKC, TUL, PHL, IND, ATL, MDW, SLC, SJC, SMF, MCI, ABQ, STL, OMA, AUS, DEN, PHX, SNA, LAS, BWI, HND, LAX, TPA, OAK, MSY, RDU, MSP, MCO, BUR, CMH, ONT, SAT, BNA, MKE, SAN, CLT, DCA, FLL, TUS, BOS, CPS and SJD. These options provide additional schedule flexibility.
Seattle is 2 hours behind Dallas.
Yes, return flights from SEA to DAL are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include DFW and FTW. 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 DAL to SEA

Dallas Love Field (DAL) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Sun Country Airlines and Southwest Airlines. With 7 weekly departures, this is a regularly served route.

DAL to SEA Flight Duration and Schedule

Nonstop flight time from DAL to SEA ranges from 3 hours 59 minutes. The route covers a distance of 1,668 miles (2,685 km). There are approximately 7 weekly flights outbound and 9 return, totaling 16 flights per week in both directions.

Connecting Options and Alternatives

103 one-stop connections are available, with the fastest taking approximately 3 hours via ASE. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Dallas-Fort Worth (DFW) and Fort Worth (FTW).