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

SEA Airport Page →
1,774 mi airlines 22/wk
On-time Some delays Frequent delays
Flight Schedule 8 flights Verified 56m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
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
✓
←
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

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
Seattle to San Antonio
2 carriers, 22 flights/week nonstop.
2 Airlines 22 Flights/wk 1,774 mi 4h 3m nonstop +2h ahead 71 1-stop hubs

SEA–SAT is served by 2 airlines with nonstop service. Alaska Airlines and Qatar Airways lead the route. The flight covers 1,774 miles in approximately 4h 3m. Beyond nonstop, 71 hubs offer 1-stop connections.

Also explore SEA Routes SAT Routes SEA Live Flights SAT Live Flights SEA Delays SAT Delays
Carriers on this route

Airline Landscape

All carriers operating nonstop SEA–SAT service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AS Alaska Airlines Also: HA 14 73J, 7M8 4h05-4h14 88% Oneworld HA
QR Qatar Airways 8 73J, 7M8 4h03-4h05 88% Oneworld –
Aircraft on this route
73J Boeing 737-900ER – AS, QR
7M8 Boeing 737 MAX 8 – AS, QR
Alliance coverage
Oneworld: AS + QR (22 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SEA to SAT direction.
Mon
3
flights
Tue
4
flights
Wed
3
flights
Thu
3
flights
Fri
3
flights
Sat
3
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
22
Outbound / wk
16
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to SAT.
1-STOP
One-Stop Connections
71
Hubs
~5h
Fastest
~28h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,320
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.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Seattle, it's 8:00 PM in San Antonio.
Distance & Flight Time
1,774 mi / 2,854 km
Nonstop flight time is approximately 4h 3m to 4h 14m.
Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

Facts

SEA–SAT Quick Facts

Key statistics for the Seattle to San Antonio route.
Route details
Distance1,774 mi / 2,854 km
Flight time4h 3m to 4h 14m
Time difference+2 hours
Airlines (nonstop)2
Weekly flights22 out / 16 return
1-stop connections71 hubs
Origin: SEA
Full nameSeattle–Tacoma International Airport
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: SAT
Full nameSan Antonio International Airport
IATA / ICAOSAT / KSAT
TimezoneAmerica/Chicago
Passengers/yr10.9M
Elevation809 ft / 247 m
FAQ

Frequently Asked Questions

Common questions about SEA to SAT flights.
Nonstop flights from Seattle–Tacoma International Airport to San Antonio International Airport take approximately 4h 3m to 4h 14m. The route covers 1,774 miles.
2 airlines operate nonstop service: Alaska Airlines and Qatar Airways. Plus 1 codeshare partner.
There are approximately 22 nonstop flights per week from SEA to SAT. The return direction has about 16 weekly flights.
Yes, 1-stop connections are available through FTW, SCF, AFW, FCA, PDX, TUL, TUS, APA, SNA, ASE, OMA, JAC, YYC, STS, OKC, SGR, SMF, MEM, SJD, SJC, MTY, BLD, MRY, IND, MKC, PVR, MKE, CVG, CLE, MSN, MLB, TEB, RDU, CHS, YYZ, ANC, FLL, STL, MDW, BWI, IAH, DFW, SLC, DAL, LAX, MSY, GDL, MCO, SAN, LAS, SFO, PHX, MSP, ATL, DEN, IAD, MCI, JFK, ORD, DTW, BNA, ELP, BOS, EWR, PHL, TPA, CLT, MEX, MIA, CUN and DCA. These options provide additional schedule flexibility.
San Antonio is 2 hours ahead of Seattle.
Yes, return flights from SAT to SEA are available. Use the direction toggle at the top to view the return schedule.
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 SEA to SAT

Seattle–Tacoma International Airport (SEA) and San Antonio International Airport (SAT) are connected by nonstop service from Alaska Airlines and Qatar Airways. With 22 weekly departures, this is a well served route.

SEA to SAT Flight Duration and Schedule

Nonstop flight time from SEA to SAT ranges from 4 hours 3 minutes to 4 hours 14 minutes. The route covers a distance of 1,774 miles (2,854 km). There are approximately 22 weekly flights outbound and 16 return, totaling 38 flights per week in both directions.

Connecting Options and Alternatives

71 one-stop connections are available, with the fastest taking approximately 5 hours via FTW. Two-stop connections are also available via intermediate hubs.