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On this page, you can find and buy flight tickets for the Seattle — San Antonio route. The 2,875 km flight operates regularly, with an average flight frequency of about 11 flights per week.
Flights are operated by airlines HA and AS. Ticket prices depend on the season, so we recommend using the low price calendar to find the best deals. Before your trip, check the transfer rules in Seattle and transportation options from the airport in San Antonio.
Below is a calendar of the lowest flight ticket prices for Seattle — San Antonio by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $102 in F, and the most expensive are around $329 in n. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Seattle → San Antonio, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | $172 | low | May | $212 | medium | Sep | $172 | low |
| Feb | $178 | low | Jun | $241 | high | Oct | $207 | medium |
| Mar | $218 | high | Jul | $247 | high | Nov | $235 | high |
| Apr | $201 | medium | Aug | $184 | low | Dec | $224 | medium |
Some values are estimated based on seasonality.
The climate in San Antonio is characterized by hot summers with peak temperatures in August (up to 36.2°C) and mild winters, with temperatures dropping to 6.7°C in January. The highest rainfall occurs in May, while August and December remain mostly dry months.
The most budget-friendly month to fly is September, when tickets start $102. The maximum flight cost is recorded in March, starting $329, which significantly exceeds the average for other periods of the year.
The best time to travel in terms of balancing price and weather is considered to be September and October. During this period, the sweltering heat subsides, while ticket prices remain affordable, starting $105.
Two main airlines operate on this route — Alaska Airlines and Hawaiian Airlines — providing about 11 departures weekly. Most flights are direct, allowing you to cover the distance between the cities as quickly as possible. To choose a convenient departure time and view a detailed schedule for specific days of the week, check the carrier cards in the list below.
Flights Seattle — San Antonio depart from Seattle-Tacoma International Airport and Paine Field and arrive at San Antonio International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
With a distance of 2,875 km, a direct flight takes an average of 3 hours 30 minutes to 4 hours, depending on the aircraft type and tailwinds.
Regular air service between the cities is provided by Hawaiian Airlines and Alaska Airlines.
Yes, direct flights are available on this route. The flight frequency is about 11 flights per week, allowing you to find a convenient non-stop option.
Flight prices change constantly depending on the season and demand. You can find the current minimum for the coming months in the low price calendar on this page.
All flights from Seattle (SEA) arrive at the international airport San Antonio (SAT).
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