How many flights from San Antonio to Seattle are non-stop?

In the trailing 90 days, approximately 11.6% of flights from San Antonio to Seattle were non-stop. For flights that include stopovers, the median number of stopovers was 2. This indicates that direct routes are less common for this particular journey. Travelers should anticipate that most available options will involve at least one connection.

What's the flight time from San Antonio to Seattle?

The typical direct flight from San Antonio to Seattle has a duration of 4 hours and 26 minutes, covering a distance of 2854 kilometers. Flights with one stopover, however, typically take longer, with a median duration of 8 hours and 13 minutes. Travelers should factor in these differences when planning their journey, as connecting flights can significantly extend travel time.

Should I set a price alert for San Antonio to Seattle flights?

Historically, flights from San Antonio to Seattle have been classified as a frequent deal route. This suggests that price fluctuations and good opportunities for savings are common. Setting a price alert can be beneficial for travelers looking to secure a favorable fare. Given the frequent nature of deals, an alert can help capture lower prices as they become available.

Flights From San Antonio

To Seattle

Cheap Flights from San Antonio to Seattle

Browse current best options from San Antonio. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

San Antonio

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

Prices updated 1 day ago

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 San Antonio to Seattle

Explore current cheapest deals departing from San Antonio to Seattle

2026-10-21 – 2026-10-23
SAT - Seattle
81% AI deal score
$298
$192
Round trip
2026-10-17 – 2026-10-20
SAT - Seattle
83% AI deal score
$300
$208
Round trip
2026-10-13 – 2026-10-24
SAT - Seattle
76% AI deal score
$257
$209
Round trip
2026-10-14 – 2026-10-24
SAT - Seattle
81% AI deal score
$260
$209
Round trip
2026-10-06 – 2026-10-10
SAT - Seattle
84% AI deal score
$303
$209
Round trip
2026-10-23 – 2026-10-26
SAT - Seattle
79% AI deal score
$298
$214
Round trip
2026-10-17 – 2026-10-19
SAT - Seattle
82% AI deal score
$299
$220
Round trip
2026-10-21 – 2026-10-26
SAT - Seattle
83% AI deal score
$294
$222
Round trip
2026-10-21 – 2026-10-25
SAT - Seattle
77% AI deal score
$299
$225
Round trip
2026-10-27 – 2026-10-28
SAT - Seattle
77% AI deal score
$297
$225
Round trip

San Antonio to Seattle: Overview

Insights for flights from San Antonio to Seattle

For travelers looking for cheap flights from San Antonio to Seattle, the data indicates that December is typically the most affordable month to fly, with a median fare of $158. Following December, January offers the next best value at a median of $245, and October also presents a good option with a median fare of $355. These months stand out as the cheapest times to fly this route.

Right now, fares for flights from San Antonio to Seattle typically range from $536 to $917, with a median of $732. Current fares are below the typical level for this route, and about 6% of recent fares were classified as a good price. New deals appear almost daily, offering frequent opportunities to find favorable prices.

When flying from San Antonio to Seattle, most itineraries connect at least once, with only 11.6% of recent fares being non-stop. For connecting flights, the typical number of connections is 2. This means you will likely have one or more stops on your journey.

A typical journey from San Antonio to Seattle, including connections, takes about 13h 14m. For the relatively few direct flights from San Antonio to Seattle, the flight time is approximately 4h 26m. Given that most itineraries involve connections, planning for a longer travel day is advisable.

The distance between San Antonio and Seattle is 2854 kilometers, classifying this as a medium-haul route. This distance typically translates to a flight experience that is longer than short regional hops but shorter than intercontinental travel.

How much is a round trip from San Antonio to Seattle

Regular price: $245 - $405

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

The regular price range for flights from San Antonio to Seattle is typically between $245 and $405. The current lowest deal is $193 with Frontier Airlines for travel from Oct 21-Oct 23.

now $193

Low $245

High $405

The cheapest time to fly from San Antonio to Seattle

Flights from San Antonio to Seattle are cheapest in October, with a median price of $355. The most expensive month to fly is December, with a median price of $1158. Prices are generally lower from January to November.

October

Cheapest

Flights from $355

December

Most Expensive

Flights from $1,158

Jan

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Antonio to Seattle

Alaska Airlines, Inc.

Last-minute flights going from San Antonio to Seattle

Mon, Sep 14

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

Frontier Airlines

$648

$370

One-way

Mon, Sep 14

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

$652

$399

One-way

Mon, Sep 14

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

Frontier Airlines

$662

$428

One-way

Mon, Sep 14

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

$660

$439

One-way

Tue, Sep 15

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

$662

$439

One-way

Tue, Sep 15

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

$660

$439

One-way

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

4 nights

Sep 14 - Sep 18

$648 → $370

43%

4 nights

Sep 18 - Sep 22

$627 → $364

42%

2 nights

Sep 18 - Sep 20

$638 → $387

39%

1 night

Sep 14 - Sep 15

$662 → $428

35%

Popular Airports to fly from San Antonio to Seattle

San Antonio - Seattle route insights

💸 Price insights

Recent fares below the typical level

Recent fares from San Antonio to Seattle are below the typical level at $732.

📅 Best time to fly

Fly in December for the best prices

Historically, December is the cheapest month to fly, with a median price of $158.

⏱️ Flight duration

Direct flights take 4h 26m

The typical direct flight from San Antonio to Seattle takes 4h 26m.

✈️ Airlines & availability

Connecting flights are dominant

Only 11.6% of recent flights from San Antonio to Seattle are direct.

🏆 Airline highlight

Frontier Airlines has a deal for $193

Frontier Airlines offers a deal for $193 from Oct 21-Oct 23.

🎯 Booking tip

Deals are frequent on this route

Deals on flights from San Antonio to Seattle are frequent, appearing within 30 days.

San Antonio main airports to depart from

San Antonio International (SAT)

Cheapest

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

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

💸 Flights from ~$259

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

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

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

💸 Flights from ~$217

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett is a useful alternative for travelers located in North Seattle or Snohomish County.

📍 ~40 km from Seattle (reachable by car)

💸 Flights from ~$619

Business & First Class Flight Deals to Seattle

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

Elite

Best Elite deals to Seattle

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

From SAT

Elite

Oct 19

Seattle, United States

87% AI deal score

$1,546

$957

Save $589

United Airlines

Business Class

From SAT

Elite

Oct 22

Seattle, United States

86% AI deal score

$1,550

$997

Save $553

United Airlines

Business Class

From SAT

Elite

Nov 03

Seattle, United States

85% AI deal score

$1,263

$890

Save $373

United Airlines

Business Class

From SAT

Elite

Sep 22

Seattle, United States

85% AI deal score

$1,398

$987

Save $411

United Airlines

Business Class

From SAT

Elite

Nov 25

Seattle, United States

85% AI deal score

$1,547

$995

Save $552

United Airlines

Business Class

From SAT

Elite

Sep 16

Seattle, United States

85% AI deal score

$1,501

$1,068

Save $433

United Airlines

Business Class

From SAT

Elite

Oct 31

Seattle, United States

84% AI deal score

$1,304

$957

Save $347

United Airlines

Business Class

From SAT

Elite

Sep 26

Seattle, United States

84% AI deal score

$1,342

$987

Save $355

United Airlines

Business Class

From SAT

Elite

Sep 25

Seattle, United States

84% AI deal score

$1,372

$987

Save $385

United Airlines

Business Class

From SAT

Elite

Oct 09

Seattle, United States

84% AI deal score

$1,485

$1,037

Save $448

United Airlines

Business Class

From SAT

Elite

Dec 31

Seattle, United States

84% AI deal score

$1,549

$1,056

Save $493

United Airlines

Business Class

From SAT

Elite

Oct 02

Seattle, United States

83% AI deal score

$1,233

$955

Save $278

United Airlines

Business Class

Frequently Asked Questions About Flights to Seattle

Historically, the lowest average prices for flights from San Antonio to Seattle have been found in the 0-6 days booking window, with an average price of $436. Booking 7-13 days out typically sees a significantly higher average price of $1067. Prices tend to be higher for bookings made further in advance, such as 60+ days out, which averaged $646. This suggests that travelers might find better deals closer to their departure date.

Across the trailing quarter, a good price for a flight from San Antonio to Seattle has typically been around $536 or less. The median price for this route was $732, indicating that about half of all observed prices were below this amount. Prices can range higher, with 75% of observed prices falling below $917. Travelers aiming for a budget-friendly trip should target prices at or below the good price threshold.

Historically, December has shown the cheapest flights from San Antonio to Seattle, with a median price of $158. January also offered relatively low prices, with a median of $245. October, while also listed, had a median price of $355. These months typically offer prices significantly below the annual median of $732, making them ideal for budget-conscious travelers.

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Flights to Seattle from other cities

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San Antonio to Seattle: Overview

Insights for flights from San Antonio to Seattle

How much is a round trip from San Antonio to Seattle

Regular price: $245 - $405

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

The regular price range for flights from San Antonio to Seattle is typically between $245 and $405. The current lowest deal is $193 with Frontier Airlines for travel from Oct 21-Oct 23.

now $193

Low $245

High $405

The cheapest time to fly from San Antonio to Seattle

October

Cheapest

Flights from $355

December

Most Expensive

Flights from $1,158

Jan

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from San Antonio to Seattle

Alaska Airlines, Inc.

Last-minute flights going from San Antonio to Seattle

Mon, Sep 14

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

Frontier Airlines

$648

$370

One-way

Mon, Sep 14

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

$652

$399

One-way

Mon, Sep 14

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

Frontier Airlines

$662

$428

One-way

Mon, Sep 14

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

$660

$439

One-way

Tue, Sep 15

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

$662

$439

One-way

Tue, Sep 15

⌛ Last-Minute

SAT - Seattle

San Antonio (SAT) - Seattle (SEA)

$660

$439

One-way

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

4 nights

Sep 14 - Sep 18

$648 → $370

43%

4 nights

Sep 18 - Sep 22

$627 → $364

42%

2 nights

Sep 18 - Sep 20

$638 → $387

39%

1 night

Sep 14 - Sep 15

$662 → $428

35%

Popular Airports to fly from San Antonio to Seattle

San Antonio - Seattle route insights

💸 Price insights

Recent fares below the typical level

Recent fares from San Antonio to Seattle are below the typical level at $732.

📅 Best time to fly

Fly in December for the best prices

Historically, December is the cheapest month to fly, with a median price of $158.

⏱️ Flight duration

Direct flights take 4h 26m

The typical direct flight from San Antonio to Seattle takes 4h 26m.

✈️ Airlines & availability

Connecting flights are dominant

Only 11.6% of recent flights from San Antonio to Seattle are direct.

🏆 Airline highlight

Frontier Airlines has a deal for $193

Frontier Airlines offers a deal for $193 from Oct 21-Oct 23.

🎯 Booking tip

Deals are frequent on this route

Deals on flights from San Antonio to Seattle are frequent, appearing within 30 days.

San Antonio main airports to depart from

San Antonio International (SAT)

Cheapest

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

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

💸 Flights from ~$259

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

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

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

💸 Flights from ~$217

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett is a useful alternative for travelers located in North Seattle or Snohomish County.

Seattle, United States

83% AI deal score

$1,233

$955

Save $278

United Airlines

Business Class

Frequently Asked Questions About Flights to Seattle

Cheap Flights from San Antonio to Seattle

Today’s best flight deals from San Antonio to Seattle

San Antonio to Seattle: Overview

Insights for flights from San Antonio to Seattle

How much is a round trip from San Antonio to Seattle

The cheapest time to fly from San Antonio to Seattle

Direct flights from San Antonio to Seattle

Last-minute flights going from San Antonio to Seattle

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

Popular Airports to fly from San Antonio to Seattle

San Antonio - Seattle route insights

Recent fares below the typical level

Fly in December for the best prices

Direct flights take 4h 26m

Connecting flights are dominant

Frontier Airlines has a deal for $193

Deals are frequent on this route

San Antonio main airports to depart from

Seattle main airports to arrive at

Airports nearby Seattle used as alternative

Business & First Class Flight Deals to Seattle

Best Elite deals to Seattle

Oct 19

Oct 22

Nov 03

Sep 22

Nov 25

Sep 16

Oct 31

Sep 26

Sep 25

Oct 09

Dec 31

Oct 02

Frequently Asked Questions About Flights to Seattle

How far in advance should I book a flight from San Antonio to Seattle?

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

Which months have the cheapest flights from San Antonio to Seattle?

How many flights from San Antonio to Seattle are non-stop?

What's the flight time from San Antonio to Seattle?

Should I set a price alert for San Antonio to Seattle flights?

Related routes

More routes from San Antonio

Flights to Seattle from other cities

San Antonio to Seattle: Overview

Insights for flights from San Antonio to Seattle

How much is a round trip from San Antonio to Seattle

The cheapest time to fly from San Antonio to Seattle

Direct flights from San Antonio to Seattle

Last-minute flights going from San Antonio to Seattle

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

Popular Airports to fly from San Antonio to Seattle

San Antonio - Seattle route insights

Recent fares below the typical level

Fly in December for the best prices

Direct flights take 4h 26m

Connecting flights are dominant

Frontier Airlines has a deal for $193

Deals are frequent on this route

San Antonio main airports to depart from

Seattle main airports to arrive at

Airports nearby Seattle used as alternative

Business & First Class Flight Deals to Seattle

Best Elite deals to Seattle

Oct 19

Oct 22

Nov 03

Sep 22

Nov 25

Sep 16

Oct 31

Sep 26

Sep 25

Oct 09

Dec 31

Oct 02

Frequently Asked Questions About Flights to Seattle

How far in advance should I book a flight from San Antonio to Seattle?

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

Which months have the cheapest flights from San Antonio to Seattle?