Are there direct flights from Seattle to San Antonio?

Historically, direct flights from Seattle to San Antonio have accounted for approximately 39.3% of all available options. For travelers who opt for connecting flights, the median number of stopovers observed is 2. This indicates that while direct options are available, a significant portion of flights on this route will involve at least one stop.

How many hours is the flight from Seattle to San Antonio?

The typical direct flight from Seattle to San Antonio has a duration of approximately 6 hours and 40 minutes, covering a distance of 2854 kilometers. Flights with one stop tend to be longer, with a median duration of 7 hours and 22 minutes. Travelers should account for this difference in travel time when planning their journey.

Are there frequently good prices on flights from Seattle to San Antonio?

Historically, good prices on flights from Seattle to San Antonio are considered frequent. This suggests that travelers typically have numerous opportunities to find competitive fares for this route. The availability of these prices has been consistently observed across the trailing 30-day period.

Flights From Seattle

To San Antonio

Cheap Flights from Seattle to San Antonio

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Deals from

Seattle

RatePunk searches hundreds of travel sites at once for deals on flights to San Antonio

Prices updated today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Seattle to San Antonio

Explore current cheapest deals departing from Seattle to San Antonio

2026-10-19 – 2026-10-21
SEA - San Antonio
86% AI deal score
$352
$175
Round trip
2026-11-05 – 2026-11-10
SEA - San Antonio
83% AI deal score
$373
$204
Round trip
2026-10-23 – 2026-10-26
SEA - San Antonio
82% AI deal score
$351
$206
Round trip
2026-10-01 – 2026-10-05
SEA - San Antonio
83% AI deal score
$367
$208
Round trip
2026-10-09 – 2026-10-23
SEA - San Antonio
78% AI deal score
$298
$211
Round trip
2026-10-16 – 2026-10-19
SEA - San Antonio
81% AI deal score
$352
$217
Round trip
2026-11-16 – 2026-11-18
SEA - San Antonio
82% AI deal score
$381
$220
Round trip
2026-11-04 – 2026-11-17
SEA - San Antonio
79% AI deal score
$324
$222
Round trip
2026-10-20 – 2026-10-23
SEA - San Antonio
80% AI deal score
$351
$225
Round trip
2026-10-22 – 2026-11-17
SEA - San Antonio
71% AI deal score
$285
$232
Round trip

Seattle to San Antonio: Overview

Insights for flights from Seattle to San Antonio

For travelers looking for cheap flights from Seattle to San Antonio, January stands out as the most affordable month, with a median fare of just $128. Other cost-effective options include April, where the median fare is $317, and May, with a median of $357. Planning your trip during these months can significantly reduce travel costs.

Right now, fares for flights from Seattle to San Antonio typically range from $358–$677, with a median price of $443. Current fares are significantly above the typical level for this route. Only about 9% of recent fares have been classified as a good price, indicating that finding a deal might require some flexibility. New deals appear almost daily, suggesting frequent opportunities to monitor prices.

Most itineraries for this route connect at least once, with only 39.3% of recent fares being non-stop. For connecting flights, the typical number of stopovers is 2. This means that while direct flights from Seattle to San Antonio are available, you are more likely to find itineraries that include at least one stop.

A typical journey from Seattle to San Antonio takes approximately 6h 40m, including connections. This median duration accounts for both direct and connecting itineraries. For non-stop flights, the median flight time is also 6h 40m, while connecting flights typically take around 9h 1m. When planning your trip, consider the potential for longer travel times if your itinerary includes layovers.

The distance between Seattle and San Antonio is 2854 km, classifying this as a medium-haul flight. This distance typically translates to several hours of flight time, making it a significant journey across the country.

How much is a round trip from Seattle to San Antonio

Regular price: $273 - $392

Prices are currently below the regular range.

The regular price range for flights from Seattle to San Antonio is $273 to $392. The current lowest deal is $175 with Frontier Airlines for travel from Oct 19-Oct 21.

now $175

Low $273

High $392

The cheapest time to fly from Seattle to San Antonio

The cheapest month to fly from Seattle to San Antonio is March, with a median price of $124. The most expensive month is July, with a median price of $562. Prices are generally lower from January to October.

March

Cheapest

Flights from $124

July

Most Expensive

Flights from $562

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to San Antonio

United Airlines

Last-minute flights going from Seattle to San Antonio

Tue, Sep 15

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$631

$354

One-way

Tue, Sep 15

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

United Airlines

$451

$371

One-way

Wed, Sep 16

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Southwest Airlines

$631

$432

One-way

Thu, Sep 17

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

American Airlines

$503

$385

One-way

Sat, Sep 19

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

American Airlines

$549

$335

One-way

Sat, Sep 19

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

United Airlines

$503

$355

One-way

Biggest price drops on these dates for flights from Seattle to San Antonio

3 nights

Sep 15 - Sep 18

$631 → $356

44%

4 nights

Sep 14 - Sep 18

$627 → $383

39%

3 nights

Sep 22 - Sep 25

$460 → $267

42%

2 nights

Oct 19 - Oct 21

$352 → $176

50%

Popular Airports to fly from Seattle to San Antonio

Seattle - San Antonio route insights

💸 Price insights

Recent fares are above the typical level

Recent fares are above the typical level for flights from Seattle to San Antonio.

📅 Best time to fly

January is historically cheapest at $128

Historically, January is the cheapest month to fly, with a median price of $128.

⏱️ Flight duration

Connecting flights average 9h 1m

Connecting flights from Seattle to San Antonio typically average 9 hours and 1 minute.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights make up 60.7% of routes from Seattle to San Antonio.

🏆 Airline highlight

Frontier Airlines has a deal for $175

Frontier Airlines has a recent deal for $175 from Seattle to San Antonio.

🎯 Booking tip

Deals appear frequently

Deals for flights on this route appear frequently, about every 30 days.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International is a convenient option for flights from Seattle to San Antonio.

📍 ~18 km from Seattle city center (reachable by car or train).

💸 Flights from ~$217

Boeing Field (BFI)

Boeing Field offers an alternative departure point for your journey to San Antonio.

📍 ~9 km from Seattle city center (reachable by car).

💸 Flights from ~$647

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base is another choice for flights from Seattle to San Antonio.

📍 ~3 km from Seattle city center (reachable by car).

💸 Flights from ~$1,166

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient arrival point for flights from Seattle to San Antonio.

📍 ~12 km from San Antonio (reachable by car)

💸 Flights from ~$217

Airports nearby San Antonio used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin-Bergstrom International is a major international hub with an extensive flight network, offering many flight options.

📍 ~120 km from San Antonio (reachable by car, though heavy traffic can increase travel time).

💸 Flights from ~$238

Business & First Class Flight Deals to San Antonio

$1,097

Save $614

United Airlines

Business Class

Frequently Asked Questions About Flights to San Antonio

Historically, the optimal booking window for flights from Seattle to San Antonio is typically 7-13 days before departure. During this period, the average price observed was $331. Booking within 0-6 days of departure also showed a relatively lower average price of $357, indicating that last-minute deals can sometimes be found. However, prices tend to be significantly higher when booking 14-27 days out, with an average of $847, or 28-59 days out, averaging $792.

Based on historical data across the trailing quarter, a good price for a flight from Seattle to San Antonio is typically around $358 or less. The median price observed for this route was $443. Prices can go higher, with 75% of observed prices being $677 or less. This threshold of $358 represents a competitive fare for the route.

Historically, the cheapest month to fly from Seattle to San Antonio is January, with a median price of $128. Other months that typically offer lower prices include April, with a median of $317, and May, with a median of $357. The annual median price for this route is $443, making January a particularly economical choice for travel.

Related routes

More routes from Seattle

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Flights to San Antonio from other cities

Flights from Atlanta to San Antonio Flights from Boston to San Antonio Flights from Charlotte to San Antonio Flights from Chicago to San Antonio Flights from Dallas to San Antonio Flights from Denver to San Antonio Flights from Des Moines to San Antonio Flights from Nashville to San Antonio Flights from Salt Lake City to San Antonio Flights from Singapore to San Antonio Flights from Tampa to San Antonio Flights from Toronto to San Antonio

Seattle to San Antonio: Overview

Insights for flights from Seattle to San Antonio

How much is a round trip from Seattle to San Antonio

Regular price: $273 - $392

Prices are currently below the regular range.

The regular price range for flights from Seattle to San Antonio is $273 to $392. The current lowest deal is $175 with Frontier Airlines for travel from Oct 19-Oct 21.

now $175

Low $273

High $392

The cheapest time to fly from Seattle to San Antonio

March

Cheapest

Flights from $124

July

Most Expensive

Flights from $562

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seattle to San Antonio

United Airlines

Last-minute flights going from Seattle to San Antonio

Tue, Sep 15

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$631

$354

One-way

Tue, Sep 15

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

United Airlines

$451

$371

One-way

Wed, Sep 16

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Southwest Airlines

$631

$432

One-way

Thu, Sep 17

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

American Airlines

$503

$385

One-way

Sat, Sep 19

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

American Airlines

$549

$335

One-way

Sat, Sep 19

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

United Airlines

$503

$355

One-way

Biggest price drops on these dates for flights from Seattle to San Antonio

3 nights

Sep 15 - Sep 18

$631 → $356

44%

4 nights

Sep 14 - Sep 18

$627 → $383

39%

3 nights

Sep 22 - Sep 25

$460 → $267

42%

2 nights

Oct 19 - Oct 21

$352 → $176

50%

Popular Airports to fly from Seattle to San Antonio