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$98+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SEA
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Seattle/Tacoma Intl are usually found in January or September, booked 90 days in advance, depart on a Wednesday or Thursday 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 julio 31, 2025.

Round-trip from

$195
(Delta)

One-way from

$98
(Delta)

Popular in

December

Cheapest in

January

Average price

$416

Good round-trip deal

$346 or less

Good one-way deal

$198 or less
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. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 31, 2025.

This Delta deal was found by Cheapflights users on 7/31. 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.
lun. 8/257:30 amSAT - SEA
1 stop9h 13mDelta
vie. 8/293:05 pmSEA - SAT
1 stop6h 49mDelta
Deal found 7/31$195
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/16:27 amSAT - SEA
Nonstop4h 28mHawaiian Airlines
mar. 10/75:59 pmSEA - SAT
Nonstop4h 05mHawaiian Airlines
Deal found 7/31$197
This Southwest deal was found by Cheapflights users on 7/29. 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.
mar. 8/196:40 pmSAT - SEA
1 stop6h 30mSouthwest
sáb. 8/237:35 amSEA - SAT
1 stop10h 40mSouthwest
Deal found 7/29$200
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:27 amSAT - SEA
Nonstop4h 28mAlaska Airlines
mié. 10/112:34 pmSEA - SAT
Nonstop4h 23mAlaska Airlines
Deal found 7/28$217
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/232:25 pmSAT - SEA
2 stops8h 57mUnited Airlines
mar. 9/308:30 amSEA - SAT
1 stop6h 20mUnited Airlines
Deal found 7/28$222
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/303:34 pmSAT - SEA
1 stop7h 17mFrontier
lun. 9/86:12 amSEA - SAT
1 stop11h 03mFrontier
Deal found 7/29$248
This American Airlines deal was found by Cheapflights users on 7/29. 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.
mié. 11/125:00 amSAT - SEA
1 stop7h 44mAmerican Airlines
sáb. 11/1512:59 amSEA - SAT
1 stop7h 54mAmerican Airlines
Deal found 7/29$266

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 julio 31, 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

lun. 8/25

4:00 pm-10:25 pm

1 stop8h 25m

Seattle/Tacoma Intl

vie. 8/29

3:05 pm-11:54 pm

1 stop6h 49m

$195

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

mié. 10/1

6:27 am-8:55 am

Nonstop4h 28m

Seattle/Tacoma Intl

mar. 10/7

5:59 pm-12:04 am

Nonstop4h 05m

$197

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

mar. 8/19

6:40 pm-11:10 pm

1 stop6h 30m

Seattle/Tacoma Intl

sáb. 8/23

7:35 am-8:15 pm

1 stop10h 40m

$200

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

jue. 9/25

7:57 pm-10:27 pm

Nonstop4h 30m

Seattle/Tacoma Intl

mar. 9/30

12:34 pm-6:57 pm

Nonstop4h 23m

$217

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

mar. 9/23

8:55 am-6:49 pm

2 stops11h 54m

Seattle/Tacoma Intl

mar. 9/23

11:58 pm-8:57 am

1 stop6h 59m

$222

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

sáb. 8/30

3:34 pm-8:51 pm

1 stop7h 17m

Seattle/Tacoma Intl

lun. 9/8

6:12 am-7:15 pm

1 stop11h 03m

$248

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

sáb. 9/27

6:00 am-12:45 pm

1 stop8h 45m

$98

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

sáb. 8/30

3:34 pm-8:51 pm

1 stop7h 17m

$113

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

mar. 10/28

2:14 pm-9:33 pm

2 stops9h 19m

$114

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

mar. 10/28

6:32 am-9:05 am

Nonstop4h 33m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 15 results
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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

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 July 25, 2025.

The best time to book flights from San Antonio to Seattle is 56 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, January is the cheapest month in which you can book a flight from San Antonio to Seattle (average of $238). Flying from San Antonio to Seattle in June is currently the most expensive (average of $389). 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 julio 31, 2025.

It’s optimal to fly from San Antonio to Seattle in the afternoon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight at noon.

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 July 27, 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 evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Antonio to Seattle

Explore weekly flight availability from San Antonio to Seattle. 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 julio 31, 2025.

The most flights from SAT to SEA are scheduled on a Thursday (8 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

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 julio 31, 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
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 5 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 16m 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, 30 users have taken a look at flights from San Antonio to Seattle/Tacoma Intl.

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

    According to our current data, Delta ($195), Hawaiian Airlines ($197), and Southwest ($200) offers the cheapest pricing from San Antonio to Seattle. You may be able to fly from San Antonio to Seattle for 43% 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 Delta, with whom users have recently found tickets for as low as $98. However, be on the lookout for offers from Frontier and United 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 Condor (83%), Qatar Airways (75%) and Alaska Airlines (58%).

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

    While on average a flight from San Antonio to Seattle is generally $1,722, 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 $195 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 $51 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, January is the cheapest month in which you can book a flight from San Antonio to Seattle (average of $238). Flying from San Antonio to Seattle in June is currently the most expensive (average of $389). 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
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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.
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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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$87Average$180FlexibilityNo cancel feeOn-time65%
FrontierCheapest$101Average$198FlexibilityNo cancel feeOn-time62%
DeltaCheapest$178Average$249FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$194Average$370FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$194Average$304FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$332FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$236Average$422FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$237Average$377FlexibilityNo cancel feeOn-time85%

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