San Antonio to Seattle (SAT–SEA) — Airlines, Schedules & Connections

SAT Airport Page →
1,774 mi airlines 16/wk
On-time Some delays Frequent delays
Flight Schedule 8 flights Verified 1h ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
AS495
AS Alaska
7M8
7:00 AM
CDT TA
9:35 AM
PDT
4h 35m
M T W T F S S
Prices
AS9368
AS Alaska
739
12:22 PM
CDT
2:50 PM
PDT
4h 28m
M T W T F S S
Prices
AS9441
AS Alaska
B38M
12:42 PM
CDT
3:06 PM
PDT
4h 24m
M T W T F S S
Prices
AS494+2
AS Alaska
73J
6:01 PM
CDT TA
8:35 PM
PDT
4h 34m
M T W T F S S
Prices
AS494+2
AS Alaska
73J
10:51 AM
PDT
5:05 PM
CDT
4h 14m
M T W T F S S
Prices
AS520
AS Alaska
7M8
11:35 PM
PDT
5:40 AM+1
CDT
4h 5m
M T W T F S S
Prices
QR3381
QR Qatar
7M8
11:35 PM
PDT
5:40 AM+1
CDT
4h 5m
M T W T F S S
Prices
QR2115
QR Qatar
73J
11:37 PM
PDT
5:40 AM+1
CDT
4h 3m
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
San Antonio to Seattle
1 carrier, 16 flights/week nonstop.
1 Airlines 16 Flights/wk 1,774 mi 4h 24m nonstop -2h behind 71 1-stop hubs

SAT–SEA is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 1,774 miles in approximately 4h 24m. Beyond nonstop, 71 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop SAT–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines Also: HA 16 739, 73J, 7M8, B38M 4h24-4h35 90% Oneworld HA
Aircraft on this route
739 Boeing 737-900 – AS
73J Boeing 737-900ER – AS
7M8 Boeing 737 MAX 8 – AS
B38M Boeing 737 MAX 8 – AS
Alliance coverage
Oneworld: AS (16 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, SAT to SEA direction.
Mon
2
flights
Tue
3
flights
Wed
3
flights
Thu
2
flights
Fri
2
flights
Sat
2
flights
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
16
Outbound / wk
22
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SAT to SEA.
1-STOP
One-Stop Connections
71
Hubs
~3h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,344
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 San Antonio

Nearby airports with service to Seattle–Tacoma International Airport.
Metric SAT→SEA AUS→SEA
Distance from SAT 67 mi
Nonstop airlines 1 10
Weekly flights 16 115
Flight time 4h 24m 3h 48m
Departure OTP 90%
Airports within 200 miles of SAT with service to Seattle–Tacoma International Airport.

Travel Essentials

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

When it's 6:00 PM in San Antonio, it's 4:00 PM in Seattle.
Distance & Flight Time
1,774 mi / 2,854 km
Nonstop flight time is approximately 4h 24m to 4h 35m.
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.

SAT–SEA Quick Facts

Key statistics for the San Antonio to Seattle route.
Route details
Distance1,774 mi / 2,854 km
Flight time4h 24m to 4h 35m
Time difference-2 hours
Airlines (nonstop)1
Weekly flights16 out / 22 return
1-stop connections71 hubs
Origin: SAT
IATA / ICAOSAT / KSAT
TimezoneAmerica/Chicago
Passengers/yr10.9M
Elevation809 ft / 247 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about SAT to SEA flights.
Nonstop flights from San Antonio International Airport to Seattle–Tacoma International Airport take approximately 4h 24m to 4h 35m. The route covers 1,774 miles.
1 airline operates nonstop service: Alaska Airlines. Plus 1 codeshare partner.
There are approximately 16 nonstop flights per week from SAT to SEA. The return direction has about 22 weekly flights.
Yes, 1-stop connections are available through ASE, FTW, AZA, MVW, JAC, FCA, RNO, MSO, EGE, BOI, BZN, HOU, MRY, PDX, MTY, MEM, ABQ, TUL, SNA, AUS, OKC, SJC, PSP, BUR, MKE, YEG, TUS, STS, CMH, CVG, PVR, IND, TEB, YYZ, KOA, SFO, CUN, SLC, DFW, LAX, IAH, LAS, ATL, STL, ORD, MSP, PHL, PHX, CLT, MDW, DEN, MCI, SAN, ELP, DAL, GDL, DCA, DTW, IAD, BNA, JFK, MSY, MCO, EWR, TPA, ICN, BOS, FLL, MEX, BWI and MIA. These options provide additional schedule flexibility.
Seattle is 2 hours behind San Antonio.
Yes, return flights from SEA to SAT are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include AUS. 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 SAT to SEA

San Antonio International Airport (SAT) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Alaska Airlines. With 16 weekly departures, this is a well served route.

SAT to SEA Flight Duration and Schedule

Nonstop flight time from SAT to SEA ranges from 4 hours 24 minutes to 4 hours 35 minutes. The route covers a distance of 1,774 miles (2,854 km). There are approximately 16 weekly flights outbound and 22 return, totaling 38 flights per week in both directions.

Connecting Options and Alternatives

71 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 Austin (AUS).