Seattle

$100+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SEA
Mar 19 — Mar 261
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The best prices from San Antonio to Seattle/Tacoma Intl are usually found in January or September, booked 56 days in advance, depart on a Wednesday or Friday and return on a Tuesday

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 March 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$200
(Frontier)

One-way from

$100
(Frontier)

Popular in

December

Cheapest in

January

Average price

$362

Good round-trip deal

$367 or less

Good one-way deal

$283 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. 3% potential increase in price ($11 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 March 2025
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.

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 March 14, 2025.

This Frontier deal was found by Cheapflights users on 3/13. 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.
Tue 6/247:43 pmSAT - SEA
1 stop6h 51mFrontier
Tue 7/16:25 amSEA - SAT
1 stop10h 18mFrontier
Deal found 3/13$200
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/19:35 pmSAT - SEA
2 stops23h 34mSpirit Airlines
Tue 4/88:04 pmSEA - SAT
2 stops30h 30mSpirit Airlines
Deal found 3/13$202
This Delta deal was found by Cheapflights users on 3/14. 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.
Fri 4/186:08 pmSAT - SEA
1 stop7h 31mDelta
Sat 4/266:20 amSEA - SAT
1 stop8h 53mDelta
Deal found 3/14$205
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Tue 4/16:27 pmSAT - SEA
1 stop6h 42mAmerican Airlines
Mon 4/712:59 amSEA - SAT
1 stop7h 08mAmerican Airlines
Deal found 3/13$216
This Orbitz deal was found by Cheapflights users on 3/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/215:39 amSAT - SEA
1 stop7h 56mMultiple Airlines
Wed 4/235:50 pmSEA - SAT
Nonstop4h 09mMultiple Airlines
Deal found 3/14$225
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 3/285:35 amSAT - SEA
1 stop6h 13mUnited Airlines
Thu 4/32:12 pmSEA - SAT
1 stop7h 06mUnited Airlines
Deal found 3/12$242
This Hawaiian Airlines deal was found by Cheapflights users on 3/14. 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.
Fri 4/47:21 pmSAT - SEA
Nonstop4h 36mHawaiian Airlines
Sat 4/1211:41 pmSEA - SAT
Nonstop3h 59mHawaiian Airlines
Deal found 3/14$297
This Southwest deal was found by Cheapflights users on 3/13. 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 7/14:30 pmSAT - SEA
2 stops8h 35mSouthwest
Thu 7/3110:40 pmSEA - SAT
1 stop8h 35mSouthwest
Deal found 3/13$299
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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.
Fri 5/97:33 pmSAT - SEA
Nonstop4h 27mAlaska Airlines
Tue 5/135:50 pmSEA - SAT
Nonstop4h 09mAlaska Airlines
Deal found 3/14$307

Find flights from San Antonio to Seattle within your budget

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 March 14, 2025.

Fly from

San Antonio

Fly to

Seattle

Route

Depart

Return

Price

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 6/24

7:43 pm-12:34 am

1 stop6h 51m

Seattle/Tacoma Intl

Tue 7/1

6:25 am-6:43 pm

1 stop10h 18m

$200

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 4/1

9:35 pm-7:09 pm

2 stops23h 34m

Seattle/Tacoma Intl

Tue 4/8

8:04 pm-4:34 am

2 stops30h 30m

$202

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 4/18

6:08 pm-11:39 pm

1 stop7h 31m

Seattle/Tacoma Intl

Sat 4/26

6:20 am-5:13 pm

1 stop8h 53m

$205

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 4/1

6:27 pm-11:09 pm

1 stop6h 42m

Seattle/Tacoma Intl

Mon 4/7

12:59 am-10:07 am

1 stop7h 08m

$216

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 3/28

5:35 am-9:48 am

1 stop6h 13m

Seattle/Tacoma Intl

Thu 4/3

2:12 pm-11:18 pm

1 stop7h 06m

$242

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Thu 5/8

6:25 pm-12:44 am

1 stop8h 19m

Seattle/Tacoma Intl

Fri 5/16

11:11 pm-5:10 am

Nonstop3h 59m

$244

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 4/4

7:21 pm-9:57 pm

Nonstop4h 36m

Seattle/Tacoma Intl

Tue 4/15

11:41 pm-5:40 am

Nonstop3h 59m

$267

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 7/1

4:30 pm-11:05 pm

2 stops8h 35m

Seattle/Tacoma Intl

Thu 7/31

10:40 pm-9:15 am

1 stop8h 35m

$299

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 5/9

7:33 pm-10:00 pm

Nonstop4h 27m

Seattle/Tacoma Intl

Tue 5/13

5:50 pm-11:59 pm

Nonstop4h 09m

$307

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sun 5/11

8:25 pm-12:44 am

1 stop6h 19m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 18 results
1
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 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 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.

The best insider tips for San Antonio to Seattle flights

Find out what our experts recommend to make the most of 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 and quick 40-minute journey.

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

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.

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.

Travel insights for flights from San Antonio to Seattle

Get recent, data-driven insights about flights from San Antonio to Seattle including ideal travel times, pricing trends, and more.

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 March 7, 2025.

The best time to book flights from San Antonio to Seattle is 25 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 July is currently the most expensive (average of $411). 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 March 14, 2025.

It’s optimal to fly from San Antonio to Seattle in the afternoon. By choosing this option you can save up to 30% 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 March 9, 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. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 March 14, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from San Antonio to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

8.0
Very good

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 20m 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?

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

    According to our current data, Frontier ($200), Spirit Airlines ($202), and Delta ($205) offers the cheapest pricing from San Antonio to Seattle. You may be able to fly from San Antonio to Seattle for 42% 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 Frontier, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from Spirit Airlines and Delta, 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 Alaska Airlines (72%), Hawaiian Airlines (60%) and Air Tahiti Nui (59%).

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

    While on average a flight from San Antonio to Seattle is generally $656, our data shows the cheapest flight currently is $188. When looking at the most popular route, (San Antonio - Seattle/Tacoma Intl), you can expect to pay $158 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 Salt Lake City?

    Temple Square, Abravanel Hall, and Salt Lake Temple are currently the most popular points of interest in Salt Lake City at the moment. Temple Square, Abravanel Hall and Salt Lake Temple are located about 4.7 mi, 4.7 mi, and 4.8 mi, respectively from Salt Lake City if you are interested in checking them out. Travelers can book a car rental at Salt Lake City for about $56 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, 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 July is currently the most expensive (average of $411). 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 San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Lacey
Ocean Shores
Tacoma
Leavenworth
Federal Way
Lakewood
Centralia
Olympia
Cle Elum
Mukilteo
Aberdeen
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale
Redmond

Browse thousands of different options on Cheapflights for your next trip

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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 March 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$124Average$195FlexibilityNo cancel feeOn-time65%
FrontierCheapest$138Average$198FlexibilityNo cancel feeOn-time62%
DeltaCheapest$179Average$280FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$195Average$325FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$216Average$348FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$236Average$418FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$269Average$431FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$277Average$377FlexibilityNo cancel feeOn-time85%
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