Are there direct flights from Seattle to San Antonio?

In the trailing 90 days, approximately 39.3% of flights from Seattle to San Antonio were direct. For flights that included stopovers, travelers typically encountered 2 stops. This indicates that while direct options are available, a significant portion of routes involve connections.

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

A direct flight from Seattle to San Antonio typically takes 6 hours and 40 minutes, covering a distance of 2854 kilometers. Flights with one stop generally have a median duration of 7 hours and 22 minutes. The additional travel time for a single-stop journey is approximately 42 minutes compared to a direct flight.

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

Historically, good prices on flights from Seattle to San Antonio have been frequent. This route is classified as one with consistent availability of favorable fares. Travelers can often find good deals when planning their trips between these two cities.

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 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Seattle to San Antonio

Explore current cheapest deals departing from Seattle to San Antonio

2026-08-14 – 2026-08-22
SEA - San Antonio
77% AI deal score
$309
$239
Round trip
2026-08-13 – 2026-08-17
SEA - San Antonio
80% AI deal score
$356
$239
Round trip
2026-08-12 – 2026-08-17
SEA - San Antonio
78% AI deal score
$337
$239
Round trip
2026-08-21 – 2026-08-31
SEA - San Antonio
71% AI deal score
$292
$239
Round trip
2026-08-13 – 2026-08-21
SEA - San Antonio
77% AI deal score
$309
$239
Round trip
2026-08-13 – 2026-08-16
SEA - San Antonio
80% AI deal score
$356
$239
Round trip
2026-09-18 – 2026-09-25
SEA - San Antonio
79% AI deal score
$345
$239
Round trip
2026-09-24 – 2026-09-27
SEA - San Antonio
80% AI deal score
$364
$239
Round trip
2026-09-17 – 2026-09-20
SEA - San Antonio
79% AI deal score
$362
$239
Round trip
2026-09-19 – 2026-09-25
SEA - San Antonio
79% AI deal score
$347
$239
Round trip

Seattle to San Antonio: Overview

Insights for flights from Seattle to San Antonio

For travelers seeking cheap flights from Seattle to San Antonio, the most affordable time to fly is typically January, with a median fare of $128. Other cost-effective months include April, where the median fare is $317, and May, with a median fare of $357. Planning your trip around these months can lead to more favorable prices.

Fares for flights from Seattle to San Antonio typically range from $358–$677, with a median of $443. Right now, current fares are significantly above the typical level for this route. Only 9% of recent fares were classified as a good price, indicating that finding a low fare can be challenging.

When considering how long is the flight from Seattle to San Antonio, a typical journey, including connections, is approximately 6h 40m. This duration reflects the overall travel time for most itineraries on this route. While some flights may be shorter or longer, this median provides a reliable estimate for planning purposes.

Most itineraries for flights from Seattle to San Antonio connect at least once, with only 39.3% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is 2. This means you should generally expect to make at least one stop on your journey between these two cities.

The distance between Seattle and San Antonio is approximately 2854 kilometers. This classifies the route as a medium-haul journey, meaning it falls into the category of flights that are longer than short-haul but not quite long-haul, often requiring several hours of travel.

How much is a round trip from Seattle to San Antonio

Regular price: $282 - $388

Prices are currently below the regular range for flights from Seattle to San Antonio.

The regular price range for flights from Seattle to San Antonio is between $282 and $388. The current lowest deal is $238 with Frontier Airlines for travel from Sep 17-Sep 21.

now $238

Low $282

High $388

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

Alaska Airlines, Inc.

Last-minute flights going from Seattle to San Antonio

Sun, Aug 2

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Southwest Airlines

$493

$423

One-way

Fri, Aug 7

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Southwest Airlines

$326

$327

One-way

Fri, Aug 7

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Southwest Airlines

$396

$333

One-way

Mon, Aug 10

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$368

$252

One-way

Mon, Aug 10

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$330

$252

One-way

Wed, Aug 12

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$337

$239

One-way

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

2 nights

Nov 6 - Nov 8

$410 → $246

40%

7 nights

Nov 16 - Nov 23

$408 → $245

40%

3 nights

Nov 6 - Nov 9

$410 → $248

40%

4 nights

Nov 4 - Nov 8

$396 → $239

40%

Popular Airports to fly from Seattle to San Antonio

Seattle - San Antonio route insights

💸 Price insights

Recent fares are above the typical level

Recent roundtrip fares are above the typical level, with 9% considered a good price.

📅 Best time to fly

January, April, and May are historically cheapest

Historically, January ($128), April ($317), and May ($357) offer the lowest median prices.

⏱️ Flight duration

Connecting flights average 9h 1m

Direct flights take 6h 40m. Connecting flights typically take 9h 1m with 2 stopovers.

✈️ Airlines & availability

Connecting flights are dominant on this route

Connecting flights make up 60.7% of options, indicating a connecting-dominant route.

🏆 Airline highlight

Frontier Airlines offers a recent deal at $238

A recent deal on Frontier Airlines was found for $238 roundtrip from Sep 17-Sep 21.

🎯 Booking tip

Deals appear frequently for this route

Deals for flights on this route appear frequently, with many deals found in the last 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 public transport).

💸 Flights from ~$227

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient arrival option for flights to San Antonio.

📍 ~15 km from San Antonio city center (reachable by car)

💸 Flights from ~$179

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.

📍 ~120 km from San Antonio (heavy traffic on I-35 corridor can increase travel time)

💸 Flights from ~$143

Business & First Class Flight Deals to San Antonio

83% AI deal score

$1,224

$962

Save $262

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 was around $331. Booking too far in advance, such as 60+ days out, saw average prices of $467. Prices tended to increase significantly for bookings made 14-27 days out, averaging $847.

Across the trailing quarter, a good price for a flight from Seattle to San Antonio was considered to be $358 or less. The median price for this route during the same period was $443. Prices above $677 were in the more expensive range, representing the top 25% of fares.

Historically, January has been the cheapest month to fly from Seattle to San Antonio, with a median price of $128. Other relatively inexpensive months include April, with a median price of $317, and May, with a median of $357. The annual median price for this route is $443, indicating that these months offer significant savings.

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: $282 - $388

Prices are currently below the regular range for flights from Seattle to San Antonio.

The regular price range for flights from Seattle to San Antonio is between $282 and $388. The current lowest deal is $238 with Frontier Airlines for travel from Sep 17-Sep 21.

now $238

Low $282

High $388

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

Alaska Airlines, Inc.

Last-minute flights going from Seattle to San Antonio

Sun, Aug 2

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Southwest Airlines

$493

$423

One-way

Fri, Aug 7

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Southwest Airlines

$326

$327

One-way

Fri, Aug 7

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Southwest Airlines

$396

$333

One-way

Mon, Aug 10

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$368

$252

One-way

Mon, Aug 10

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$330

$252

One-way

Wed, Aug 12

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$337

$239

One-way

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

2 nights

Nov 6 - Nov 8

$410 → $246

40%

7 nights

Nov 16 - Nov 23

$408 → $245

40%

3 nights

Nov 6 - Nov 9

$410 → $248

40%

4 nights

Nov 4 - Nov 8

$396 → $239

40%

Popular Airports to fly from Seattle to San Antonio