Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline Delta Air Lines

The cheapest airline(s) flying from Seattle to San Antonio is Delta Air Lines.

  • Delta Air Lines Delta Air Lines
  • United Airlines United Airlines
  • Alaska Airlines Alaska Airlines
  • Frontier Airlines Frontier Airlines
  • Spirit Airlines Spirit Airlines
  • American Airlines American Airlines
  • JetBlue Airways JetBlue Airways
Cheapest Month September

Travel Period: June 2024 - May 2025

The cheapest month(s) to fly from Seattle to San Antonio is September.

  • Jun 2024
  • Jul 2024
  • Aug 2024
  • Sep 2024
  • Oct 2024
  • Nov 2024
  • Dec 2024
  • Jan 2025
  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
Cheapest Day of the Week Sunday

The cheapest day(s) of the week to fly from Seattle to San Antonio is Sunday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday
Cheapest Time 6am

The cheapest time of the day to fly from Seattle to San Antonio is in the early morning.

Early Morning 12:01am - 06:00am
Morning 6:01am - 12:00pm
Afternoon 12:01pm - 6:00pm
Evening 6:01pm to 12:00am
12am
6am
12pm
6pm

Flight Schedules

Last Updated: Thu, 2 May, 2024

  • Depart Earliest
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  • Airline Filter by Airline
    All
    • Total Duration
      • Shortest
      • Longest
    • Stopover
      All
      • Availability
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 23:50 - 05:45+ 1
        SEA - SAT
      • 23:50 (SEA)Seattle/Tacoma International Airport
      • 05:45 (SAT)San Antonio International Airport + 1
      • Alaska Airlines (AS 423)Boeing 737
      • 3h 55m
      • Direct
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • Boeing 737
      • 05:00 - 14:00
        SEA - SAT
      • 05:00 (SEA)Seattle/Tacoma International Airport
      • 14:00 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 1681)Boeing 737 700
      • 7h
      • Direct
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • Boeing 737 700
      • 11:00 - 16:58
        SEA - SAT
      • 11:00 (SEA)Seattle/Tacoma International Airport
      • 16:58 (SAT)San Antonio International Airport
      • Alaska Airlines (AS 494)Boeing 737
      • 3h 58m
      • Direct
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • Boeing 737

      Connecting Flights

      • 05:00 - 08:35
        SEA - DEN
        10:10 - 13:20
        DEN - SAT
      • 05:00 (SEA)Seattle/Tacoma International Airport
        10:10 (DEN)Denver Intl Airport
      • 08:35 (DEN)Denver Intl Airport
        13:20 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 581)Boeing 737 700
        Southwest Airlines (WN 1141)Boeing 737 700
      • 6h 20m (1h 35m)
      • DEN Denver 1h 35m
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 05:00 - 08:40
        SEA - DEN
        09:25 - 12:30
        DEN - SAT
      • 05:00 (SEA)Seattle/Tacoma International Airport
        09:25 (DEN)Denver Intl Airport
      • 08:40 (DEN)Denver Intl Airport
        12:30 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 1681)Boeing 737 700
        Southwest Airlines (WN 271)Boeing 737 700
      • 5h 30m (45m)
      • DEN Denver 45m
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 05:20 - 07:50
        SEA - LAS
        10:40 - 15:15
        LAS - SAT
      • 05:20 (SEA)Seattle/Tacoma International Airport
        10:40 (LAS)Las Vegas McCarran International Airport
      • 07:50 (LAS)Las Vegas McCarran International Airport
        15:15 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 2546)Boeing 737 800
        Southwest Airlines (WN 4208)Boeing 737 Max 8 Passenger
      • 7h 55m (2h 50m)
      • LAS Las Vegas 2h 50m
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 14:55 - 15:55
        HOU - SAT
        06:10 - 09:50
        SEA - DEN
      • 14:55 (HOU)Houston Hobby Airport
        06:10 (SEA)Seattle/Tacoma International Airport
      • 15:55 (SAT)San Antonio International Airport
        09:50 (DEN)Denver Intl Airport
      • Southwest Airlines (WN 4204)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1402)Boeing 737 800
      • 7h 45m (1h 45m)
      • SAT San Antonio 1h 45m
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 06:10 - 09:50
        SEA - DEN
        12:45 - 15:50
        DEN - SAT
      • 06:10 (SEA)Seattle/Tacoma International Airport
        12:45 (DEN)Denver Intl Airport
      • 09:50 (DEN)Denver Intl Airport
        15:50 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 1402)Boeing 737 800
        Southwest Airlines (WN 261)Boeing 737 800
      • 7h 40m (2h 55m)
      • DEN Denver 2h 55m
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 06:15 - 09:05
        SEA - PHX
        11:45 - 15:50
        PHX - SAT
      • 06:15 (SEA)Seattle/Tacoma International Airport
        11:45 (PHX)Phoenix Sky Harbor Intl Airport
      • 09:05 (PHX)Phoenix Sky Harbor Intl Airport
        15:50 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 875)Boeing 737 800
        Southwest Airlines (WN 850)Boeing 737 700
      • 7h 35m (2h 40m)
      • PHX Phoenix 2h 40m
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 06:45 - 12:50
        SEA - MDW
        14:50 - 17:40
        MDW - SAT
      • 06:45 (SEA)Seattle/Tacoma International Airport
        14:50 (MDW)Chicago Midway Airport
      • 12:50 (MDW)Chicago Midway Airport
        17:40 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 407)Boeing 737 700
        Southwest Airlines (WN 1787)Boeing 737 700
      • 8h 55m (2h)
      • MDW Chicago 2h
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 07:15 - 10:05
        SEA - PHX
        14:00 - 18:05
        PHX - SAT
      • 07:15 (SEA)Seattle/Tacoma International Airport
        14:00 (PHX)Phoenix Sky Harbor Intl Airport
      • 10:05 (PHX)Phoenix Sky Harbor Intl Airport
        18:05 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 3869)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 4222)Boeing 737 Max 8 Passenger
      • 8h 50m (3h 55m)
      • PHX Phoenix 3h 55m
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 07:25 - 09:55
        SEA - LAS
        12:55 - 17:35
        LAS - SAT
      • 07:25 (SEA)Seattle/Tacoma International Airport
        12:55 (LAS)Las Vegas McCarran International Airport
      • 09:55 (LAS)Las Vegas McCarran International Airport
        17:35 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 2546)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1168)Boeing 737 Max 8 Passenger
      • 8h 10m (3h)
      • LAS Las Vegas 3h
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 08:30 - 10:25
        SEA - SMF
        11:00 - 18:15
        SMF - SAT
      • 08:30 (SEA)Seattle/Tacoma International Airport
        11:00 (SMF)Sacramento International Airport
      • 10:25 (SMF)Sacramento International Airport
        18:15 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 251)Boeing 737 700
        Southwest Airlines (WN 2678)Boeing 737 Max 8 Passenger
      • 7h 45m (35m)
      • SMF Sacramento 35m
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 09:00 - 12:40
        SEA - DEN
        14:10 - 17:20
        DEN - SAT
      • 09:00 (SEA)Seattle/Tacoma International Airport
        14:10 (DEN)Denver Intl Airport
      • 12:40 (DEN)Denver Intl Airport
        17:20 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 4278)Boeing 737 800
        Southwest Airlines (WN 261)Boeing 737 700
      • 6h 20m (1h 30m)
      • DEN Denver 1h 30m
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 10:00 - 13:45
        SEA - DEN
        17:20 - 20:25
        DEN - SAT
      • 10:00 (SEA)Seattle/Tacoma International Airport
        17:20 (DEN)Denver Intl Airport
      • 13:45 (DEN)Denver Intl Airport
        20:25 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 1402)Boeing 737 800
        Southwest Airlines (WN 2505)Boeing 737 700
      • 8h 25m (3h 35m)
      • DEN Denver 3h 35m
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 19:20 - 20:25
        HOU - SAT
        10:50 - 14:30
        SEA - DEN
      • 19:20 (HOU)Houston Hobby Airport
        10:50 (SEA)Seattle/Tacoma International Airport
      • 20:25 (SAT)San Antonio International Airport
        14:30 (DEN)Denver Intl Airport
      • Southwest Airlines (WN 2277)Boeing 737 700
        Southwest Airlines (WN 4278)Boeing 737 Max 8 Passenger
      • 7h 35m (1h 25m)
      • SAT San Antonio 1h 25m
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 10:50 - 14:30
        SEA - DEN
        16:20 - 19:30
        DEN - SAT
      • 10:50 (SEA)Seattle/Tacoma International Airport
        16:20 (DEN)Denver Intl Airport
      • 14:30 (DEN)Denver Intl Airport
        19:30 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 4278)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 2505)Boeing 737 700
      • 6h 40m (1h 50m)
      • DEN Denver 1h 50m
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 11:15 - 13:45
        SEA - LAS
        16:45 - 21:20
        LAS - SAT
      • 11:15 (SEA)Seattle/Tacoma International Airport
        16:45 (LAS)Las Vegas McCarran International Airport
      • 13:45 (LAS)Las Vegas McCarran International Airport
        21:20 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 2547)Boeing 737 800
        Southwest Airlines (WN 2088)Boeing 737 Max 8 Passenger
      • 8h 05m (3h)
      • LAS Las Vegas 3h
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 11:50 - 15:40
        SEA - DEN
        18:40 - 21:50
        DEN - SAT
      • 11:50 (SEA)Seattle/Tacoma International Airport
        18:40 (DEN)Denver Intl Airport
      • 15:40 (DEN)Denver Intl Airport
        21:50 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 4278)Boeing 737 800
        Southwest Airlines (WN 1384)Boeing 737 700
      • 8h (3h)
      • DEN Denver 3h
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 12:40 - 15:25
        SEA - PHX
        18:30 - 22:35
        PHX - SAT
      • 12:40 (SEA)Seattle/Tacoma International Airport
        18:30 (PHX)Phoenix Sky Harbor Intl Airport
      • 15:25 (PHX)Phoenix Sky Harbor Intl Airport
        22:35 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 3869)Boeing 737 800
        Southwest Airlines (WN 4223)Boeing 737 Max 8 Passenger
      • 7h 55m (3h 05m)
      • PHX Phoenix 3h 05m
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 19:50 - 22:15
        ELP - SAT
        12:55 - 15:45
        SEA - PHX
      • 19:50 (ELP)El Paso International Airport
        12:55 (SEA)Seattle/Tacoma International Airport
      • 22:15 (SAT)San Antonio International Airport
        15:45 (PHX)Phoenix Sky Harbor Intl Airport
      • Southwest Airlines (WN 4201)Boeing 737 800
        Southwest Airlines (WN 3870)Boeing 737 Max 8 Passenger
      • 7h 20m (1h 50m)
      • SAT San Antonio 1h 50m
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 12:55 - 15:45
        SEA - PHX
        19:20 - 23:25
        PHX - SAT
      • 12:55 (SEA)Seattle/Tacoma International Airport
        19:20 (PHX)Phoenix Sky Harbor Intl Airport
      • 15:45 (PHX)Phoenix Sky Harbor Intl Airport
        23:25 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 3870)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 4223)Boeing 737 700
      • 8h 30m (3h 35m)
      • PHX Phoenix 3h 35m
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 13:05 - 15:30
        SEA - LAS
        19:05 - 23:40
        LAS - SAT
      • 13:05 (SEA)Seattle/Tacoma International Airport
        19:05 (LAS)Las Vegas McCarran International Airport
      • 15:30 (LAS)Las Vegas McCarran International Airport
        23:40 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 2547)Boeing 737 800
        Southwest Airlines (WN 2088)Boeing 737 Max 8 Passenger
      • 8h 35m (3h 35m)
      • LAS Las Vegas 3h 35m
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 21:55 - 23:00
        DAL - SAT
        13:10 - 16:55
        SEA - DEN
      • 21:55 (DAL)Dallas/Fort Worth Love Field Airport
        13:10 (SEA)Seattle/Tacoma International Airport
      • 23:00 (SAT)San Antonio International Airport
        16:55 (DEN)Denver Intl Airport
      • Southwest Airlines (WN 2266)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1816)Boeing 737 Max 8 Passenger
      • 7h 50m (2h)
      • SAT San Antonio 2h
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 13:10 - 16:55
        SEA - DEN
        20:25 - 23:35
        DEN - SAT
      • 13:10 (SEA)Seattle/Tacoma International Airport
        20:25 (DEN)Denver Intl Airport
      • 16:55 (DEN)Denver Intl Airport
        23:35 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 1816)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 1384)Boeing 737 Max 8 Passenger
      • 8h 25m (3h 30m)
      • DEN Denver 3h 30m
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 13:10 - 16:55
        SEA - DEN
        17:55 - 21:10
        DEN - SAT
      • 13:10 (SEA)Seattle/Tacoma International Airport
        17:55 (DEN)Denver Intl Airport
      • 16:55 (DEN)Denver Intl Airport
        21:10 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 1816)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 2505)Boeing 737 800
      • 6h (1h)
      • DEN Denver 1h
        • M
        • -
        • -
        • T
        • F
        • -
        • -
      • 13:25 - 17:10
        SEA - DEN
        19:35 - 22:45
        DEN - SAT
      • 13:25 (SEA)Seattle/Tacoma International Airport
        19:35 (DEN)Denver Intl Airport
      • 17:10 (DEN)Denver Intl Airport
        22:45 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 1816)Boeing 737 800
        Southwest Airlines (WN 1384)Boeing 737 Max 8 Passenger
      • 7h 20m (2h 25m)
      • DEN Denver 2h 25m
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      • 15:45 - 18:40
        SEA - PHX
        19:40 - 23:45
        PHX - SAT
      • 15:45 (SEA)Seattle/Tacoma International Airport
        19:40 (PHX)Phoenix Sky Harbor Intl Airport
      • 18:40 (PHX)Phoenix Sky Harbor Intl Airport
        23:45 (SAT)San Antonio International Airport
      • Southwest Airlines (WN 2663)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 4223)Boeing 737 Max 8 Passenger
      • 6h (1h)
      • PHX Phoenix 1h
        • -
        • T
        • W
        • -
        • -
        • -
        • -
      No Schedules Sorry, there are no schedules matching your filters. Try removing one. reset
      What’s the fastest flight time from Seattle to San Antonio?

      The fastest flight time for direct flights from Seattle to San Antonio is 3 hours 55 minutes. Check latest flight schedules & prices on Wego.

      How far is San Antonio from Seattle?

      The flight distance between Seattle and San Antonio is 2874km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 05:00. The last flight of the day departs at 23:50. See the full list of flight times on Wego.

      How many airlines offer direct flights from Seattle to San Antonio?

      There are 2 airlines that offer direct flights from Seattle to San Antonio. Find out the list of airlines on Wego.

      All Airports in Seattle

      Seattle Boeing Field Airport

      Seattle/Tacoma International Airport

      Lake Union Sea Plane Base

      All Airports in San Antonio

      San Antonio International Airport

      Martindale AHP

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