Seattle

$77+ Cheap flights from San Antonio to Seattle (SAT - SEA)

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SEA
Feb 25 — Mar 41
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Find cheap flights from San Antonio to Seattle with Cheapflights

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Cheapflights Tip: The best prices from San Antonio to Seattle/Tacoma Intl are usually found in October or September, booked 67 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap flight deals from San Antonio to Seattle

Cheapest flights from San Antonio to Seattle
Explore the most affordable flight options available from San Antonio to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This Southwest deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
SAT
-
SEA
1 stop6h 20m
Southwest
Tue 4/219:20 am
SEA
-
SAT
2 stops6h 55m
Southwest
Deal found 1/24$202
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/183:43 pm
SAT
-
SEA
1 stop9h 05m
American Airlines
Thu 3/512:59 am
SEA
-
SAT
1 stop6h 34m
American Airlines
Deal found 1/25$206
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:35 am
SAT
-
SEA
1 stop9h 09m
Delta
Sat 2/281:38 pm
SEA
-
SAT
1 stop5h 50m
Delta
Deal found 1/25$207
This Kiwi.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:20 pm
SAT
-
SEA
1 stop16h 35m
Frontier
Sun 3/112:30 pm
SEA
-
SAT
1 stop18h 15m
Frontier
Deal found 1/26$208
This Expedia deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:46 pm
SAT
-
SEA
1 stop9h 34m
Multiple Airlines
Sat 5/910:51 am
SEA
-
SAT
Nonstop4h 14m
Multiple Airlines
Deal found 1/25$209
This Delta deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/204:10 pm
SAT
-
SEA
1 stop8h 07m
Delta
Wed 6/312:00 pm
SEA
-
SAT
1 stop9h 18m
Delta
Deal found 1/24$211
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:56 pm
SAT
-
SEA
1 stop16h 59m
Frontier
Fri 2/2010:06 am
SEA
-
SAT
2 stops30h 55m
Frontier
Deal found 1/25$213
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:35 am
SAT
-
SEA
1 stop9h 16m
Delta
Sun 5/311:15 pm
SEA
-
SAT
1 stop8h 31m
Delta
Deal found 1/26$215
This Kiwi.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:56 pm
SAT
-
SEA
1 stop16h 59m
Frontier
Sat 2/215:37 pm
SEA
-
SAT
2 stops36h 58m
Frontier
Deal found 1/24$216
This Expedia deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:01 pm
SAT
-
SEA
Nonstop4h 34m
Alaska Airlines
Sat 5/910:51 am
SEA
-
SAT
Nonstop4h 14m
Alaska Airlines
Deal found 1/24$217
This Southwest deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:40 pm
SAT
-
SEA
1 stop8h 00m
Southwest
Tue 3/316:00 am
SEA
-
SAT
2 stops9h 30m
Southwest
Deal found 1/25$220
This Kiwi.com deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:06 pm
SAT
-
SEA
Nonstop4h 37m
Hawaiian Airlines
Wed 3/1810:53 am
SEA
-
SAT
Nonstop4h 01m
Hawaiian Airlines
Deal found 1/25$221

Find flight deals from San Antonio to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$202
(Southwest)

One-way from

$77
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$297

Good round-trip deal

$271 or less

Good one-way deal

$238 or less
Provider with most accurate pricing for San Antonio-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for San Antonio-Seattle/Tacoma Intl flights.
From San Antonio to Seattle/Tacoma Intl
One-way flight from San Antonio to Seattle/Tacoma Intl
Highest demand for flights based on searches. 12% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from San Antonio to Seattle/Tacoma Intl.
Price to beat on a one-way flight from San Antonio to Seattle/Tacoma Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from San Antonio to Seattle that are best for you.

Fly from

San Antonio

Fly to

Seattle

Route

Depart

Return

Price

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 2/14

7:35 am-2:44 pm

1 stop9h 09m

Seattle/Tacoma Intl

Wed 2/18

2:00 pm-11:43 pm

1 stop7h 43m

$207

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 3/10

7:35 am-2:39 pm

1 stop9h 04m

Seattle/Tacoma Intl

Wed 3/18

1:30 pm-11:29 pm

1 stop7h 59m

$207

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 2/14

7:35 am-2:44 pm

1 stop9h 09m

Seattle/Tacoma Intl

Sat 2/28

1:38 pm-9:28 pm

1 stop5h 50m

$207

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 4/21

3:28 pm-8:23 pm

1 stop6h 55m

Seattle/Tacoma Intl

Sun 4/26

11:59 pm-11:49 am

1 stop9h 50m

$211

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 4/21

12:44 pm-4:48 pm

1 stop6h 04m

Seattle/Tacoma Intl

Fri 4/24

11:59 pm-11:52 am

1 stop9h 53m

$215

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 4/7

4:25 pm-11:35 pm

2 stops9h 10m

Seattle/Tacoma Intl

Tue 4/21

9:20 am-6:15 pm

2 stops6h 55m

$238

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 2/24

10:55 am-5:50 pm

1 stop8h 55m

Seattle/Tacoma Intl

Tue 3/3

6:05 am-4:05 pm

2 stops8h 00m

$242

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 2/27

6:06 pm-8:43 pm

Nonstop4h 37m

Seattle/Tacoma Intl

Mon 3/2

11:09 am-5:10 pm

Nonstop4h 01m

$247

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 3/27

5:50 pm-8:26 pm

Nonstop4h 36m

Seattle/Tacoma Intl

Sun 3/29

10:53 am-4:54 pm

Nonstop4h 01m

$257

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Wed 3/25

5:47 am-9:49 am

1 stop6h 02m

Seattle/Tacoma Intl

Sun 3/29

11:35 pm-10:50 am

1 stop9h 15m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 20 results
1
2

Compare providers for flights from San Antonio to Seattle

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 San Antonio to Seattle in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

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

Have a flexible travel schedule? Discover the best time to fly to Seattle from San Antonio 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 San Antonio to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Seattle. Price data was last updated on January 23, 2026.

The best time to book flights from San Antonio to Seattle is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from San Antonio to Seattle (average of $101). Flying from San Antonio to Seattle in June is currently the most expensive (average of $215). 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 SAT to SEA?

Find hourly flight availability from San Antonio to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 26, 2026.

It’s optimal to fly from San Antonio to Seattle in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.

How much does it cost to fly round-trip from San Antonio to Seattle?

The best insider tips for San Antonio to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to Seattle trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on SAT

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated January 26, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from San Antonio to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Seattle. 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 San Antonio to Seattle?

    If you wish to fly to Seattle from San Antonio, then you need to book flights from San Antonio to Seattle/Tacoma Intl. There are 2 flights from San Antonio (SAT) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from San Antonio are available from 8 different airlines, which means you should have some options if you want to compare airfare deals. 4h 34m is how long a nonstop flight from San Antonio to Seattle/Tacoma Intl typically takes.

  • How popular is this San Antonio to Seattle flight route?

  • How long is the flight from San Antonio to Seattle?

    There are many flights that can get you from San Antonio to Seattle in 9h 09m. Fly via Delta to get the fastest option. Airlines will cover a distance of 1772 mi.

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

    According to our current data, Frontier ($78), Spirit Airlines ($87), and Delta ($115) offers the cheapest pricing from San Antonio to Seattle. You may be able to fly from San Antonio to Seattle for 75% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from San Antonio to Seattle for a low price.

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

    The top 3 most reliable airlines when flying from San Antonio to Seattle are Hawaiian Airlines (77%), Air Tahiti Nui (77%) and Alaska Airlines (63%).

  • What are the cheapest flights from San Antonio to Seattle?

    While on average a flight from San Antonio to Seattle is generally $701, our data shows the cheapest flight currently is $138. When looking at the most popular route, (San Antonio - Seattle/Tacoma Intl), you can expect to pay $197 for that flight.

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

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

    Coors Field, 16th Street Mall, and Paramount Theatre are currently the most popular points of interest in Denver at the moment. Coors Field, 16th Street Mall and Paramount Theatre are located about 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl if you are interested in checking them out. Travelers can book a car rental at Denver Intl for about $47 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Dallas?

    Most Dallas visitors opt to spend their time at American Airlines Center, Dallas World Aquarium, and Reunion Tower. 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. Travelers can book a car rental at Dallas/Fort Worth for about $51 per day to make their sightseeing more efficient.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Seattle 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 San Antonio to Seattle?

    Currently, May is the cheapest month in which you can book a flight from San Antonio to Seattle (average of $101). Flying from San Antonio to Seattle in June is currently the most expensive (average of $215). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

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Alternative routes for San Antonio to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from San Antonio to Seattle

Discover the top 8 airlines that operate flights from San Antonio to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$228FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$87Average$183FlexibilityNo cancel feeOn-time65%
DeltaCheapest$115Average$243FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$188Average$377FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$194Average$346FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$194Average$296FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$214Average$314FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$222Average$384FlexibilityNo cancel feeOn-time75%

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