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, the median number of stopovers was 2. Travelers can typically find options with and without connections on this route.

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

The typical direct flight from Seattle to San Antonio has a duration of 6 hours and 40 minutes, covering a distance of 2854 kilometers. Flights with one stop typically take longer, with a median duration of 7 hours and 22 minutes. Travelers can expect varying flight times depending on the number of connections.

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 typically well-served with competitive pricing. Travelers can often find favorable deals when planning their trips.

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

451 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 18, 2026.)

Today’s best flight deals from Seattle to San Antonio

Explore current cheapest deals departing from Seattle to San Antonio

2026-10-23 – 2026-10-27
SEA - San Antonio
84% AI deal score
$352
$188
Round trip
2026-09-15 – 2026-09-22
SEA - San Antonio
83% AI deal score
$343
$196
Round trip
2026-09-11 – 2026-09-13
SEA - San Antonio
84% AI deal score
$364
$196
Round trip
2026-09-10 – 2026-09-13
SEA - San Antonio
84% AI deal score
$364
$196
Round trip
2026-09-16 – 2026-09-20
SEA - San Antonio
84% AI deal score
$361
$196
Round trip
2026-09-23 – 2026-09-26
SEA - San Antonio
84% AI deal score
$359
$196
Round trip
2026-09-25 – 2026-09-27
SEA - San Antonio
84% AI deal score
$359
$196
Round trip
2026-09-09 – 2026-09-16
SEA - San Antonio
83% AI deal score
$346
$196
Round trip
2026-10-02 – 2026-10-06
SEA - San Antonio
83% AI deal score
$350
$196
Round trip
2026-10-02 – 2026-10-07
SEA - San Antonio
83% AI deal score
$345
$196
Round trip

Seattle to San Antonio: Overview

Insights for flights from Seattle to San Antonio

For those looking for cheap flights from Seattle to San Antonio, the data shows that January is typically the cheapest month to fly, with a median fare of $128. Other favorable months include April, with a median fare of $317, and May, with a median of $357. Planning your trip around these months could lead to more economical travel options.

Fares for this route typically range from $358 to $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 bargain may require some flexibility or waiting for prices to drop. New deals appear almost daily, so frequent checking could be beneficial.

When considering how long is the flight from Seattle to San Antonio, a typical journey, including connections, is approximately 6h 40m. Most itineraries connect at least once, with 39.3% of recent fares being non-stop. For connecting flights, the median number of stopovers is 2, which contributes to the overall travel time.

The distance between Seattle and San Antonio is 2854 kilometers, classifying this as a medium-haul route. This distance typically involves a flight duration that can vary based on whether you secure a direct flight or one with connections.

How much is a round trip from Seattle to San Antonio

Regular price: $279 - $404

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

The regular price range for flights from Seattle to San Antonio is $279 to $404. The current lowest deal is $196 with Frontier Airlines, for travel from Sep 9-Sep 14.

now $196

Low $279

High $404

The cheapest time to fly from Seattle to San Antonio

Flights from Seattle to San Antonio are cheapest in March, with a median price of $124. The most expensive month to fly 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

Mon, Aug 17

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$624

$352

One-way

Tue, Aug 18

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$628

$326

One-way

Thu, Aug 20

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$542

$331

One-way

Thu, Aug 20

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$496

$331

One-way

Thu, Aug 20

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$606

$331

One-way

Fri, Aug 21

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$439

$323

One-way

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

3 nights

Aug 20 - Aug 23

$606 → $332

45%

3 nights

Nov 6 - Nov 9

$385 → $146

62%

3 nights

Nov 9 - Nov 12

$385 → $146

62%

2 nights

Nov 12 - Nov 14

$385 → $146

62%

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 the cheapest month to fly.

Historically, January offers the lowest median prices at $128 for this route.

⏱️ Flight duration

Direct flights average 6h 40m.

The median flight duration for direct flights on this route is 6 hours 40 minutes.

✈️ Airlines & availability

Connecting flights are dominant.

Connecting flights make up 60.7% of options, with a median of 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights.

Alaska Airlines, Inc. provides direct flight options for this route.

🎯 Booking tip

Deals appear frequently.

Deals for flights from Seattle to San Antonio appear frequently, typically every 30 days.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

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

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

💸 Flights from ~$227

Boeing Field (BFI)

Boeing Field offers an alternative departure point for your trip from Seattle to San Antonio.

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

💸 Flights from ~$674

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base provides another departure choice for flights to San Antonio.

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

💸 Flights from ~$1,309

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient arrival choice for flights from Seattle 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 (reachable by car, though heavy traffic on I-35 can increase travel time)

💸 Flights from ~$215

Business & First Class Flight Deals to San Antonio

Discover luxury on the budget with premium cabin class on flights from Seattle to San Antonio.

Elite

Best Elite deals to San Antonio

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From SEA

Elite

Nov 07

San Antonio, United States

89% AI deal score

$1,762

$937

Save $825

United Airlines

Business Class

From SEA

Elite

Nov 15

San Antonio, United States

89% AI deal score

$1,851

$937

Save $914

United Airlines

Business Class

From SEA

Elite

Sep 02

San Antonio, United States

89% AI deal score

$1,735

$942

Save $793

United Airlines

Business Class

From SEA

Elite

Aug 26

San Antonio, United States

89% AI deal score

$1,747

$997

Save $750

United Airlines

Business Class

From SEA

Elite

Nov 04

San Antonio, United States

88% AI deal score

$1,663

$937

Save $726

United Airlines

Business Class

From SEA

Elite

Sep 10

San Antonio, United States

88% AI deal score

$1,687

$967

Save $720

United Airlines

Business Class

From SEA

Elite

Aug 28

San Antonio, United States

87% AI deal score

$2,303

$967

Save $1,336

United Airlines

Business Class

From SEA

Elite

Sep 09

San Antonio, United States

86% AI deal score

$1,420

$937

Save $483

United Airlines

Business Class

From SEA

Elite

Sep 26

San Antonio, United States

86% AI deal score

$1,388

$937

Save $451

United Airlines

Business Class

From SEA

Elite

Nov 16

San Antonio, United States

86% AI deal score

$1,392

$937

Save $455

United Airlines

Business Class

From SEA

Elite

Nov 18

San Antonio, United States

85% AI deal score

$1,397

$955

Save $442

United Airlines

Business Class

From SEA

Elite

Sep 12

San Antonio, United States

83% AI deal score

$1,404

$1,047

Save $357

United Airlines

Business Class

Frequently Asked Questions About Flights to San Antonio

Historically, the optimal time to book flights from Seattle to San Antonio is typically 7-13 days before departure. During this window, the average price for flights was $331. Booking within 0-6 days of departure saw an average price of $357. Prices generally increased for bookings made further in advance, with flights booked 14-27 days out averaging $847 and those booked 28-59 days out averaging $792.

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 was $443. Prices historically ranged, with 75% of observed prices being $677 or less.

Historically, the cheapest months to fly from Seattle to San Antonio include January, with a median price of $128, April at $317, and May at $357. The annual median price for this route was $443. May also represented the most expensive month in the trailing 270 days, with a median price of $357.

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: $279 - $404

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

The regular price range for flights from Seattle to San Antonio is $279 to $404. The current lowest deal is $196 with Frontier Airlines, for travel from Sep 9-Sep 14.

now $196

Low $279

High $404

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

Mon, Aug 17

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$624

$352

One-way

Tue, Aug 18

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$628

$326

One-way

Thu, Aug 20

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$542

$331

One-way

Thu, Aug 20

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$496

$331

One-way

Thu, Aug 20

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$606

$331

One-way

Fri, Aug 21

⌛ Last-Minute

SEA - San Antonio

Seattle (SEA) - San Antonio (SAT)

Frontier Airlines

$439

$323

One-way

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

3 nights

Aug 20 - Aug 23

$606 → $332

45%

3 nights

Nov 6 - Nov 9

$385 → $146

62%

3 nights

Nov 9 - Nov 12

$385 → $146

62%

2 nights

Nov 12 - Nov 14

$385 → $146

62%

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 the cheapest month to fly.

Historically, January offers the lowest median prices at $128 for this route.

⏱️ Flight duration

Direct flights average 6h 40m.

The median flight duration for direct flights on this route is 6 hours 40 minutes.

✈️ Airlines & availability

Connecting flights are dominant.

Connecting flights make up 60.7% of options, with a median of 2 stopovers.

🏆 Airline highlight

Alaska Airlines, Inc. offers direct flights.

Alaska Airlines, Inc. provides direct flight options for this route.

🎯 Booking tip

Deals appear frequently.

Deals for flights from Seattle to San Antonio appear frequently, typically every 30 days.

Seattle main airports to depart from

Seattle–Tacoma International (SEA)

Cheapest

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

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

💸 Flights from ~$227

Boeing Field (BFI)

Boeing Field offers an alternative departure point for your trip from Seattle to San Antonio.

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

💸 Flights from ~$674

Kenmore Air Harbor Seaplane Base (LKE)

Kenmore Air Harbor Seaplane Base provides another departure choice for flights to San Antonio.

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

💸 Flights from ~$1,309

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

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

San Antonio, United States

83% AI deal score

$1,404

$1,047

Save $357

United Airlines

Business Class

Frequently Asked Questions About Flights to San Antonio

Cheap Flights from Seattle to San Antonio

Today’s best flight deals from Seattle 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

The cheapest time to fly from Seattle to San Antonio

Direct flights from Seattle to San Antonio

Last-minute flights going from Seattle to San Antonio

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

Popular Airports to fly from Seattle to San Antonio

Seattle - San Antonio route insights

Recent fares are above the typical level.

January is historically the cheapest month to fly.

Direct flights average 6h 40m.

Connecting flights are dominant.

Alaska Airlines, Inc. offers direct flights.

Deals appear frequently.

Seattle main airports to depart from

San Antonio main airports to arrive at

Airports nearby San Antonio used as alternative

Business & First Class Flight Deals to San Antonio

Best Elite deals to San Antonio

Nov 07

Nov 15

Sep 02

Aug 26

Nov 04

Sep 10

Aug 28

Sep 09

Sep 26

Nov 16

Nov 18

Sep 12

Frequently Asked Questions About Flights to San Antonio

When is the best time to book flights from Seattle to San Antonio?

How much should a flight from Seattle to San Antonio cost?

When is the cheapest time of year to fly from Seattle to San Antonio?

Are there direct flights from Seattle to San Antonio?

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

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

Related routes

More routes from Seattle

Flights to San Antonio from other cities

Seattle to San Antonio: Overview

Insights for flights from Seattle to San Antonio

How much is a round trip from Seattle to San Antonio

The cheapest time to fly from Seattle to San Antonio

Direct flights from Seattle to San Antonio

Last-minute flights going from Seattle to San Antonio

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

Popular Airports to fly from Seattle to San Antonio

Seattle - San Antonio route insights

Recent fares are above the typical level.

January is historically the cheapest month to fly.

Direct flights average 6h 40m.

Connecting flights are dominant.

Alaska Airlines, Inc. offers direct flights.

Deals appear frequently.

Seattle main airports to depart from

San Antonio main airports to arrive at

Airports nearby San Antonio used as alternative

Business & First Class Flight Deals to San Antonio

Best Elite deals to San Antonio

Nov 07

Nov 15

Sep 02

Aug 26

Nov 04

Sep 10

Aug 28

Sep 09

Sep 26

Nov 16

Nov 18

Sep 12

Frequently Asked Questions About Flights to San Antonio

When is the best time to book flights from Seattle to San Antonio?

How much should a flight from Seattle to San Antonio cost?

When is the cheapest time of year to fly from Seattle to San Antonio?