How popular is this Seattle to San Antonio flight route?

Within the past month, 4 users have taken a look at flights from Seattle/Tacoma Intl to San Antonio.

What are the cheapest airlines flying from Seattle to San Antonio round-trip?

Currently priced at $228, Frontier will fly you from Seattle to San Antonio and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Spirit Airlines - these airlines can fly you to your destination from $231 and $243, respectively. Users have found that Frontier is 34% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Seattle to San Antonio one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $115. However, be on the lookout for offers from Delta and Spirit Airlines, as they are both options that can get you from Seattle to San Antonio for a low price.

What are the cheapest flights from Seattle to San Antonio?

Looking for the cheapest flight from Seattle to San Antonio? While on average our users pay $616, our data indicates the cheapest price to be $108. The most popular route (Seattle/Tacoma Intl - San Antonio), is priced around $140.

What are the most reliable airlines from Seattle to San Antonio?

Before booking your flight to San Antonio from Seattle, check out the most reliable airlines to get you to your destination on time: Condor (100%), Qatar Airways (98%), Hawaiian Airlines( 90%).

What are the most popular airlines that fly from Seattle to San Antonio?

Before booking your flight from Seattle to San Antonio check out the most popular airlines for this route: American Airlines, Alaska Airlines or Delta.

Where are the most common layover locations when flying from Seattle to San Antonio?

Of the flights from Seattle to San Antonio that have layovers, most of them stop in Dallas.

Where are the least popular layover locations for Seattle to San Antonio flights?

The least popular layover on flights from Seattle to San Antonio is Salt Lake City.

What are some popular things to do or see while on a layover in Dallas?

American Airlines Center, Dallas World Aquarium, and Reunion Tower are currently the most popular points of interest in Dallas at the moment. American Airlines Center, Dallas World Aquarium and Reunion Tower are located about 15.0 mi, 15.5 mi, and 15.6 mi, respectively from Dallas/Fort Worth if you are interested in checking them out. Those landing in Dallas looking to spend some time exploring during their layover can rent a car for about $58 per day.

What is the cheapest day to fly round-trip from Seattle to San Antonio?

Saturday flights are found to be more expensive to fly from Seattle to San Antonio. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Antonio.

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

To save on the cost of your flight from Seattle to San Antonio, book at least 58 days before your planned departure. Booking around this time can save you about 64% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $376 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $432.

What is the cheapest month to fly from Seattle to San Antonio?

Flights from Seattle to San Antonio lean towards being more expensive in December. Prices are generally better when you fly from Seattle to San Antonio in January, with the cheapest ticket starting at $196.

Most accurate provider : When it comes to deals on Seattle-San Antonio flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Seattle-San Antonio flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Seattle-San Antonio flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-San Antonio flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Seattle to San Antonio?

San Antonio is the airport most travelers will use when flying to San Antonio from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to San Antonio (SAT) should be relatively easy as there are 5 daily flights to San Antonio from 8 different airlines. 3h 58m is how long a flight from Seattle to San Antonio will take if you book a nonstop flight.

Can I find deals for flights from Seattle to San Antonio that include hotel bookings?

Yes. In addition to deals on Seattle to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seattle to San Antonio?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to San Antonio.

Can I find deals for business class flights from Seattle to San Antonio?

Yes. Cheapflights offers flight deals from Seattle to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$115+ Flights from Seattle to San Antonio - Compare & Save Big

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Antonio are usually found in January or August, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to San Antonio

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$228 (CheapOair)
One-way from	$115 (Frontier)
Popular in	December
Cheapest in	January
Average price	$371
Good round-trip deal	$354 or less
Good one-way deal	$143 or less

Provider with most accurate pricing for Seattle/Tacoma Intl-San Antonio flight deals.

Search Deals

Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Antonio flights.

Search Deals

From Seattle/Tacoma Intl to San Antonio

Search Deals

One-way flight from Seattle/Tacoma Intl to San Antonio

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Price to beat on a round-trip flight from Seattle/Tacoma Intl to San Antonio.

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Price to beat on a one-way flight from Seattle/Tacoma Intl to San Antonio.

Search Deals

Find flight deals from Seattle to San Antonio

Cheapest flights from Seattle to San Antonio
Explore the most affordable flight options available from Seattle to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Thu 5/156:00 amSEA - SAT

1 stop9h 35mFrontier

Sun 5/188:25 pmSAT - SEA

1 stop17h 06mFrontier

Deal found 4/30

$228

Mon 11/172:00 pmSEA - SAT

1 stop7h 21mDelta

Tue 12/212:25 pmSAT - SEA

1 stop6h 33mDelta

Deal found 4/30

$231

Fri 6/63:20 pmSEA - SAT

1 stop11h 44mMultiple Airlines

Thu 6/127:37 pmSAT - SEA

Nonstop4h 16mMultiple Airlines

Deal found 4/29

$235

Wed 8/137:10 amSEA - SAT

1 stop6h 22mUnited Airlines

Sat 8/164:21 pmSAT - SEA

2 stops8h 38mUnited Airlines

Deal found 4/30

$236

Mon 6/23:20 pmSEA - SAT

3 stops43h 12mSpirit Airlines

Fri 6/611:42 amSAT - SEA

1 stop14h 28mSpirit Airlines

Deal found 4/30

$243

Mon 6/21:10 amSEA - SAT

1 stop6h 53mAmerican Airlines

Sat 6/73:17 pmSAT - SEA

1 stop6h 59mAmerican Airlines

Deal found 4/30

$256

Tue 6/245:20 amSEA - SAT

2 stops8h 50mSouthwest

Mon 7/79:15 pmSAT - SEA

1 stop6h 10mSouthwest

Deal found 4/29

$274

Tue 5/2711:11 pmSEA - SAT

Nonstop3h 59mHawaiian Airlines

Wed 5/286:30 amSAT - SEA

Nonstop4h 20mHawaiian Airlines

Deal found 4/30

$301

Tue 6/311:11 pmSEA - SAT

Nonstop3h 59mAlaska Airlines

Sat 6/77:05 amSAT - SEA

1 stop9h 45mAlaska Airlines

Deal found 4/30

$312

Best flights from Seattle to San Antonio
Discover carefully curated flight deals from Seattle to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Thu 5/156:00 amSEA - SAT

1 stop9h 35mFrontier

Sun 5/188:25 pmSAT - SEA

1 stop17h 06mFrontier

Deal found 4/30

$228

Wed 8/1311:58 pmSEA - SAT

1 stop6h 52mUnited Airlines

Sun 8/175:56 pmSAT - SEA

1 stop6h 41mUnited Airlines

Deal found 4/30

$231

Fri 6/63:20 pmSEA - SAT

1 stop11h 44mMultiple Airlines

Thu 6/127:37 pmSAT - SEA

Nonstop4h 16mMultiple Airlines

Deal found 4/29

$235

Mon 6/23:20 pmSEA - SAT

3 stops43h 12mSpirit Airlines

Fri 6/611:42 amSAT - SEA

1 stop14h 28mSpirit Airlines

Deal found 4/30

$243

Thu 5/291:10 amSEA - SAT

1 stop6h 53mAmerican Airlines

Tue 6/38:34 pmSAT - SEA

1 stop6h 11mAmerican Airlines

Deal found 4/29

$254

Mon 6/232:25 pmSEA - SAT

1 stop7h 24mDelta

Tue 7/16:03 pmSAT - SEA

1 stop7h 16mDelta

Deal found 4/30

$265

Tue 6/245:20 amSEA - SAT

2 stops8h 50mSouthwest

Mon 7/79:15 pmSAT - SEA

1 stop6h 10mSouthwest

Deal found 4/29

$274

Tue 5/2711:11 pmSEA - SAT

Nonstop3h 59mHawaiian Airlines

Wed 5/286:30 amSAT - SEA

Nonstop4h 20mHawaiian Airlines

Deal found 4/30

$301

Tue 6/311:11 pmSEA - SAT

Nonstop3h 59mAlaska Airlines

Sat 6/77:28 pmSAT - SEA

Nonstop4h 31mAlaska Airlines

Deal found 4/30

$307

Last-minute flights from Seattle to San Antonio
Discover last-minute flight deals from Seattle to San Antonio. Data last updated May 1, 2025 and is based on user searches.

Sun 5/412:45 amSEA - SAT

1 stop9h 00mDelta

Sat 5/101:25 pmSAT - SEA

1 stop10h 35mDelta

Deal found 4/30

$401

Mon 5/511:30 pmSEA - SAT

1 stop8h 29mDelta

Sat 5/1012:40 pmSAT - SEA

1 stop6h 07mDelta

Deal found 4/30

$401

Wed 5/73:20 pmSEA - SAT

1 stop11h 44mSpirit Airlines

Mon 5/1210:51 pmSAT - SEA

1 stop17h 34mSpirit Airlines

Deal found 4/30

$254

Wed 5/712:37 pmSEA - SAT

Nonstop4h 00mHawaiian Airlines

Mon 5/127:33 pmSAT - SEA

Nonstop4h 27mHawaiian Airlines

Deal found 4/30

$567

Wed 5/712:37 pmSEA - SAT

Nonstop4h 00mAlaska Airlines

Mon 5/127:05 amSAT - SEA

1 stop9h 48mAlaska Airlines

Deal found 4/30

$677

Thu 5/81:10 amSEA - SAT

1 stop6h 53mAmerican Airlines

Sun 5/115:00 amSAT - SEA

1 stop6h 23mAmerican Airlines

Deal found 4/30

$359

Fri 5/96:00 amSEA - SAT

1 stop6h 17mMultiple Airlines

Sun 5/1111:42 amSAT - SEA

1 stop14h 28mMultiple Airlines

Deal found 4/29

$276

Fri 5/96:00 amSEA - SAT

1 stop6h 17mFrontier

Sun 5/118:25 pmSAT - SEA

1 stop6h 19mFrontier

Deal found 4/30

$306

Fri 5/910:35 amSEA - SAT

1 stop8h 25mSouthwest

Sun 5/115:45 pmSAT - SEA

2 stops9h 30mSouthwest

Deal found 4/29

$364

Fri 5/97:00 amSEA - SAT

2 stops12h 07mUnited Airlines

Sun 5/115:30 amSAT - SEA

1 stop6h 17mUnited Airlines

Deal found 4/30

$454

Wed 5/146:00 amSEA - SAT

2 stops28h 32mSpirit Airlines

Wed 6/41:27 pmSAT - SEA

2 stops12h 43mSpirit Airlines

Deal found 4/30

$245

Thu 5/156:00 amSEA - SAT

1 stop9h 35mFrontier

Sun 5/188:25 pmSAT - SEA

1 stop17h 06mFrontier

Deal found 4/30

$228

One-way flights from Seattle to San Antonio
Search for one-way flight options from Seattle to San Antonio. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Thu 6/56:25 amSEA - SAT

1 stop10h 25mFrontier

Deal found 4/30

$115

Thu 7/102:24 pmSEA - SAT

1 stop7h 26mDelta

Deal found 4/30

$116

Fri 5/233:20 pmSEA - SAT

2 stops20h 22mSpirit Airlines

Deal found 4/30

$118

Tue 5/2711:11 pmSEA - SAT

Nonstop3h 59mHawaiian Airlines

Deal found 4/30

$119

Fri 7/46:45 amSEA - SAT

2 stops7h 40mSouthwest

Deal found 4/30

$121

Wed 5/145:15 amSEA - SAT

1 stop5h 47mUnited Airlines

Deal found 4/30

$127

Thu 6/51:22 amSEA - SAT

1 stop5h 50mAmerican Airlines

Deal found 4/29

$140

Sun 7/2011:36 pmSEA - SAT

Nonstop4h 04mAlaska Airlines

Deal found 4/30

$234

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 5/15

6:00 am-5:35 pm

1 stop9h 35m

San Antonio

Sun 5/18

8:25 pm-11:31 am

1 stop17h 06m

$228

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Wed 8/13

11:58 pm-8:50 am

1 stop6h 52m

San Antonio

Sun 8/17

5:56 pm-10:37 pm

1 stop6h 41m

$231

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Fri 6/6

3:20 pm-5:04 am

1 stop11h 44m

San Antonio

Thu 6/12

7:37 pm-9:53 pm

Nonstop4h 16m

$235

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Mon 6/2

3:20 pm-12:32 pm

3 stops43h 12m

San Antonio

Fri 6/6

11:42 am-12:10 am

1 stop14h 28m

$243

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 5/29

1:10 am-10:03 am

1 stop6h 53m

San Antonio

Tue 6/3

8:34 pm-12:45 am

1 stop6h 11m

$254

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Mon 6/23

2:25 pm-11:49 pm

1 stop7h 24m

San Antonio

Mon 6/30

4:00 pm-10:57 pm

1 stop8h 57m

$265

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 6/24

5:20 am-4:10 pm

2 stops8h 50m

San Antonio

Mon 7/7

9:15 pm-1:25 am

1 stop6h 10m

$274

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 5/27

11:11 pm-5:10 am

Nonstop3h 59m

San Antonio

Wed 5/28

6:30 am-8:50 am

Nonstop4h 20m

$301

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 6/3

11:11 pm-5:10 am

Nonstop3h 59m

San Antonio

Sat 6/7

7:28 pm-9:59 pm

Nonstop4h 31m

$307

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 6/5

6:25 am-6:50 pm

1 stop10h 25m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 17 results

Compare providers for flights from Seattle to San Antonio

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to San Antonio in May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
CheapTicketsDeal	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy2 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Seattle-San Antonio flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Seattle-San Antonio flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Seattle-San Antonio flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-San Antonio flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Seattle with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to San Antonio

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

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Seattle to San Antonio (average of $295). Flying from Seattle to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to SAT?

Unlike in the morning, when flights are generally more expensive, you can save up to 30% on flights from Seattle to San Antonio by exploring options for tickets at noon.

What is the cheapest day to fly from Seattle to San Antonio?

Travelers seeking maximum savings on their Seattle to San Antonio flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to San Antonio

The most flights from SEA to SAT are scheduled on a Thursday (8 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in San Antonio by month

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Seattle to San Antonio, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines

8.0

Very good

9,972 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Southwest

8.0

Very good

4,294 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta

8.0

Very good

7,934 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Hawaiian Airlines

7.9

Good

2,408 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,972 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

What airports do I use to fly from Seattle to San Antonio?
San Antonio is the airport most travelers will use when flying to San Antonio from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to San Antonio (SAT) should be relatively easy as there are 5 daily flights to San Antonio from 8 different airlines. 3h 58m is how long a flight from Seattle to San Antonio will take if you book a nonstop flight.
How popular is this Seattle to San Antonio flight route?
Within the past month, 4 users have taken a look at flights from Seattle/Tacoma Intl to San Antonio.
What are the cheapest airlines flying from Seattle to San Antonio round-trip?
Currently priced at $228, Frontier will fly you from Seattle to San Antonio and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Spirit Airlines - these airlines can fly you to your destination from $231 and $243, respectively. Users have found that Frontier is 34% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Seattle to San Antonio one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $115. However, be on the lookout for offers from Delta and Spirit Airlines, as they are both options that can get you from Seattle to San Antonio for a low price.
What are the most reliable airlines from Seattle to San Antonio?
Before booking your flight to San Antonio from Seattle, check out the most reliable airlines to get you to your destination on time: Condor (100%), Qatar Airways (98%), Hawaiian Airlines( 90%).
What are the cheapest flights from Seattle to San Antonio?
Looking for the cheapest flight from Seattle to San Antonio? While on average our users pay $616, our data indicates the cheapest price to be $108. The most popular route (Seattle/Tacoma Intl - San Antonio), is priced around $140.
Where are the most common layover locations when flying from Seattle to San Antonio?
Of the flights from Seattle to San Antonio that have layovers, most of them stop in Dallas.
What are some popular things to do or see while on a layover in Dallas?
American Airlines Center, Dallas World Aquarium, and Reunion Tower are currently the most popular points of interest in Dallas at the moment. American Airlines Center, Dallas World Aquarium and Reunion Tower are located about 15.0 mi, 15.5 mi, and 15.6 mi, respectively from Dallas/Fort Worth if you are interested in checking them out. Those landing in Dallas looking to spend some time exploring during their layover can rent a car for about $58 per day.
Where are the least popular layover locations for Seattle to San Antonio flights?
The least popular layover on flights from Seattle to San Antonio is Salt Lake City.
Can I find deals for flights from Seattle to San Antonio that include hotel bookings?
Yes. In addition to deals on Seattle to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to San Antonio.
Can I find deals for business class flights from Seattle to San Antonio?
Yes. Cheapflights offers flight deals from Seattle to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to San Antonio?
Currently, August is the cheapest month in which you can book a flight from Seattle to San Antonio (average of $295). Flying from Seattle to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to San Antonio

Top 8 airlines flying from Seattle to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$107	Average$199	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$129	Average$230	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$176	Average$272	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$196	Average$290	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$216	Average$341	FlexibilityNo cancel fee	On-time69%
Hawaiian Airlines	Cheapest$222	Average$377	FlexibilityNo cancel fee	On-time85%
Alaska Airlines	Cheapest$236	Average$422	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$241	Average$425	FlexibilityNo cancel fee	On-time63%

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$115+ Cheap flights from Seattle to San Antonio (SEA - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Antonio are usually found in January or August, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to San Antonio

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Cheapest flights from Seattle to San AntonioExplore the most affordable flight options available from Seattle to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Seattle to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

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Use the filters below to find and compare flights from Seattle to San Antonio that are best for you.

Compare providers for flights from Seattle to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to San Antonio in May.

Best time to book a flight from Seattle to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Seattle with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Seattle to San Antonio

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to San Antonio. Price data was last updated on April 25, 2025.

What is the cheapest month to book a flight from Seattle to San Antonio?

What is the cheapest time of day to fly from SEA to SAT?

Find hourly flight availability from Seattle to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

What is the cheapest day to fly from Seattle to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Seattle to San Antonio. Price data was last updated on March 30, 2025.

Weekly flight availability from Seattle to San Antonio

Explore weekly flight availability from Seattle to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 1, 2025.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Seattle to San Antonio, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Seattle to San Antonio?

How popular is this Seattle to San Antonio flight route?

What are the cheapest airlines flying from Seattle to San Antonio round-trip?

What are the cheapest airlines to fly from Seattle to San Antonio one-way?

What are the most reliable airlines from Seattle to San Antonio?

What are the cheapest flights from Seattle to San Antonio?

Where are the most common layover locations when flying from Seattle to San Antonio?

What are some popular things to do or see while on a layover in Dallas?

Where are the least popular layover locations for Seattle to San Antonio flights?

Can I find deals for flights from Seattle to San Antonio that include hotel bookings?

How can I find direct flights from Seattle to San Antonio?

Can I find deals for business class flights from Seattle to San Antonio?

What is the cheapest month to book a flight from Seattle to San Antonio?

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Alternative routes for Seattle to San Antonio

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Top 8 airlines flying from Seattle to San Antonio

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Cheapest flights from Seattle to San Antonio
Explore the most affordable flight options available from Seattle to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.