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$72+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SEA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 90 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$204
(Kiwi.com)

One-way from

$72
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$266

Good round-trip deal

$237 or less

Good one-way deal

$230 or less
Provider with most accurate pricing for San Antonio-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Seattle/Tacoma Intl flights.
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From San Antonio to Seattle/Tacoma Intl
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One-way flight from San Antonio to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 11% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from San Antonio to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from San Antonio to Seattle/Tacoma Intl.
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Find 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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/246:22 pmSAT - SEA
2 stops21h 00mMultiple Airlines
Mon 12/19:53 pmSEA - SAT
1 stop13h 24mMultiple Airlines
Deal found 10/27$204
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/1012:55 pmSAT - SEA
1 stop6h 56mAmerican Airlines
Sat 12/1312:31 amSEA - SAT
1 stop5h 51mAmerican Airlines
Deal found 10/27$206
This Southwest deal was found by Cheapflights users on 10/27. 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 12/86:40 amSAT - SEA
1 stop8h 45mSouthwest
Thu 12/116:35 amSEA - SAT
2 stops13h 20mSouthwest
Deal found 10/27$208
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/136:45 amSAT - SEA
2 stops13h 47mMultiple Airlines
Sun 11/162:22 pmSEA - SAT
1 stop27h 08mMultiple Airlines
Deal found 10/27$214
This United Airlines deal was found by Cheapflights users on 10/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/224:30 pmSAT - SEA
1 stop8h 40mUnited Airlines
Mon 11/2411:59 pmSEA - SAT
1 stop6h 49mUnited Airlines
Deal found 10/27$215
This Southwest deal was found by Cheapflights users on 10/25. 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.
Sun 12/75:35 amSAT - SEA
1 stop6h 35mSouthwest
Wed 12/106:35 amSEA - SAT
2 stops13h 20mSouthwest
Deal found 10/25$217
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 12/36:07 pmSAT - SEA
2 stops17h 59mMultiple Airlines
Sat 12/612:48 pmSEA - SAT
1 stop18h 42mMultiple Airlines
Deal found 10/26$218
This Southwest deal was found by Cheapflights users on 10/28. 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.
Fri 12/127:30 pmSAT - SEA
1 stop6h 35mSouthwest
Thu 12/256:35 amSEA - SAT
1 stop11h 15mSouthwest
Deal found 10/28$220
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Sat 11/83:12 pmSAT - SEA
1 stop22h 45mFrontier
Wed 11/121:37 pmSEA - SAT
2 stops30h 24mFrontier
Deal found 10/26$221
This Southwest deal was found by Cheapflights users on 10/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/143:35 pmSAT - SEA
1 stop7h 00mSouthwest
Thu 12/187:25 amSEA - SAT
1 stop10h 15mSouthwest
Deal found 10/26$223
This Southwest deal was found by Cheapflights users on 10/28. 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.
Wed 12/36:30 pmSAT - SEA
1 stop6h 25mSouthwest
Wed 12/106:35 amSEA - SAT
2 stops13h 20mSouthwest
Deal found 10/28$226

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 October 28, 2025.
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

Wed 11/26

2:14 pm-7:25 pm

1 stop7h 11m

Seattle/Tacoma Intl

Wed 12/3

1:46 pm-10:59 pm

1 stop7h 13m

$215

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Wed 12/3

6:00 am-12:05 pm

1 stop8h 05m

Seattle/Tacoma Intl

Wed 12/10

2:20 pm-9:50 pm

1 stop5h 30m

$215

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 11/22

4:30 pm-11:10 pm

1 stop8h 40m

Seattle/Tacoma Intl

Mon 11/24

11:59 pm-8:48 am

1 stop6h 49m

$215

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sun 1/11

6:46 pm-9:22 pm

Nonstop4h 36m

Seattle/Tacoma Intl

Sat 1/17

11:40 am-5:46 pm

Nonstop4h 06m

$237

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 1/16

6:46 pm-9:22 pm

Nonstop4h 36m

Seattle/Tacoma Intl

Tue 1/20

11:40 am-5:46 pm

Nonstop4h 06m

$237

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sun 11/16

6:32 am-9:05 am

Nonstop4h 33m

Seattle/Tacoma Intl

Sun 11/23

11:01 pm-5:00 am

Nonstop3h 59m

$247

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 12/5

6:00 am-8:40 am

Nonstop4h 40m

Seattle/Tacoma Intl

Wed 12/10

11:52 am-5:59 pm

Nonstop4h 07m

$247

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Wed 12/24

5:40 pm-10:30 pm

1 stop6h 50m

Seattle/Tacoma Intl

Sun 12/28

8:35 pm-11:00 am

1 stop12h 25m

$262

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 12/20

8:55 pm-1:25 am

1 stop6h 30m

Seattle/Tacoma Intl

Sat 1/3

5:15 pm-1:25 am

1 stop6h 10m

$267

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Wed 12/10

6:00 am-8:40 am

Nonstop4h 40m

Seattle/Tacoma Intl

Wed 12/10

11:52 am-5:59 pm

Nonstop4h 07m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Seattle flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

The best time to book flights from San Antonio to Seattle is 90 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 $216). 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 October 28, 2025.

It’s optimal to fly from San Antonio to Seattle at noon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Seattle. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their San Antonio to Seattle 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.

The best insider tips for San Antonio to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to Seattle trip
Airports
SAT

For longer trips, economy lots with shuttle service offer better value than the new parking garage at SAT.

Read more about SATby Ramsey Qubein
SEA

Take the Link light rail from SEA to downtown Seattle for an inexpensive, 40-minute journey with ample luggage space.

Read more about SEAby Brandon Schultz
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on SAT

Ramsey Qubein

Ramsey Qubein

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.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

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.

Read more

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 October 28, 2025.
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.
Alaska Airlines
8.0
Very good
11,199 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,199 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Southwest
8.0
Very good
4,235 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
7.9
Good
7,995 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,794 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
11,033 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 30m 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?

    Within the past month, 44 users have taken a look at flights from San Antonio to Seattle/Tacoma Intl.

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

    There are many flights that can get you from San Antonio to Seattle in 4h 36m. Fly via United Airlines, Southwest, or Alaska Airlines to get the fastest option. Airlines will cover a distance of 1772 mi. This flight may include one or multiple stops.

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

    According to our current data, Spirit Airlines ($87), Frontier ($101), and Delta ($178) offers the cheapest pricing from San Antonio to Seattle. You may be able to fly from San Antonio to Seattle for 73% less than the average price by searching for these airlines.

  • 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 Condor (92%), Alaska Airlines (76%) and Air Tahiti Nui (76%).

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

    While on average a flight from San Antonio to Seattle is generally $523, our data shows the cheapest flight currently is $148. When looking at the most popular route, (San Antonio - Seattle/Tacoma Intl), you can expect to pay $173 for that flight.

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

    Of the flights from San Antonio to Seattle 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 Dos Equis Pavilion are currently the most popular points of interest in Dallas at the moment. American Airlines Center, Dallas World Aquarium and Dos Equis Pavilion are located about 15.0 mi, 15.5 mi, and 18.3 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 $58 per day to make their sightseeing more efficient.

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

    San Antonio to Seattle flights have a layover in Salt Lake City least often.

  • 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 $216). 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
SeaTac
Tukwila
Tacoma
Lakewood
Olympia
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Edmonds
Leavenworth
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Kirkland
Lacey
Kent
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Alternative routes for San Antonio to Seattle

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$87Average$199FlexibilityNo cancel feeOn-time65%
FrontierCheapest$101Average$239FlexibilityNo cancel feeOn-time62%
DeltaCheapest$178Average$248FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$194Average$342FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$194Average$291FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$318FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$237Average$416FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$237Average$377FlexibilityNo cancel feeOn-time85%

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