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$66+ Cheap flights from San Antonio (SAT) to Washington

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SEA
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from San Antonio to Washington

Cheapest flights from San Antonio to Washington
Explore the most affordable flight options available from San Antonio to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This Priceline deal was found by Cheapflights users on 12/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 amSAT - SEA
1 stop7h 45mFrontier
Mon 1/52:54 pmSEA - SAT
1 stop7h 23mFrontier
Deal found 12/26$383
This Frontier deal was found by Cheapflights users on 12/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:45 amSAT - PDX
1 stop6h 58mFrontier
Sun 1/412:47 pmPDX - SAT
1 stop9h 30mFrontier
Deal found 12/26$387
This Trip.com deal was found by Cheapflights users on 12/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 amSAT - SEA
1 stop7h 45mFrontier
Thu 1/1512:19 pmSEA - SAT
1 stop20h 03mFrontier
Deal found 12/26$388
This American Airlines deal was found by Cheapflights users on 12/27. 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.
Mon 12/296:02 amSAT - SEA
1 stop7h 13mAmerican Airlines
Tue 1/610:00 amSEA - SAT
1 stop8h 04mAmerican Airlines
Deal found 12/27$395
This Frontier deal was found by Cheapflights users on 12/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:45 amSAT - PDX
1 stop6h 58mFrontier
Sun 1/412:47 pmPDX - SAT
1 stop9h 30mFrontier
Deal found 12/26$407
This Southwest deal was found by Cheapflights users on 12/27. 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.
Sun 12/288:30 pmSAT - SEA
1 stop6h 25mSouthwest
Tue 2/32:05 pmSEA - SAT
1 stop5h 50mSouthwest
Deal found 12/27$408
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:55 pmSAT - SEA
1 stop6h 22mUnited Airlines
Thu 1/155:00 amSEA - SAT
1 stop6h 09mUnited Airlines
Deal found 12/26$410
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:55 pmSAT - SEA
1 stop6h 22mUnited Airlines
Mon 1/512:35 pmSEA - SAT
1 stop9h 24mUnited Airlines
Deal found 12/26$412
This Priceline deal was found by Cheapflights users on 12/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:45 amSAT - PDX
1 stop6h 58mFrontier
Sat 1/312:37 pmPDX - SAT
1 stop9h 40mFrontier
Deal found 12/26$427
This Frontier deal was found by Cheapflights users on 12/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:45 amSAT - PDX
1 stop6h 58mFrontier
Sat 1/312:37 pmPDX - SAT
1 stop9h 40mFrontier
Deal found 12/26$432
This Gotogate deal was found by Cheapflights users on 12/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:18 pmSAT - PDX
1 stop25h 25mFrontier
Sat 1/312:37 pmPDX - SAT
1 stop9h 40mFrontier
Deal found 12/26$451
This Southwest deal was found by Cheapflights users on 12/27. 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.
Wed 12/317:40 amSAT - SEA
2 stops15h 00mSouthwest
Sun 1/410:45 amSEA - SAT
1 stop11h 25mSouthwest
Deal found 12/27$452

Find flight deals from San Antonio to Washington

Keep the following information in mind while searching for San Antonio to Washington flight deals. Data was last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$187
(Kiwi.com)

One-way from

$66
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$372

Good round-trip deal

$430 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for San Antonio-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Seattle/Tacoma Intl flights.
Search Deals
From San Antonio to Washington
Search Deals
One-way flight from San Antonio to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from San Antonio to Washington.
Search Deals
Price to beat on a one-way flight from San Antonio to Washington.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Washington 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 December 28, 2025.
Use the filters below to find and compare flights from San Antonio to Washington that are best for you.

Fly from

San Antonio

Fly to

Washington

Route

Depart

Return

Price

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 5/12

6:01 pm-8:35 pm

Nonstop4h 34m

Seattle/Tacoma Intl

Sat 5/16

11:00 am-5:05 pm

Nonstop4h 05m

$197

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 1/27

6:46 pm-9:22 pm

Nonstop4h 36m

Seattle/Tacoma Intl

Tue 2/3

11:40 am-5:45 pm

Nonstop4h 05m

$197

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Wed 5/13

6:30 am-2:43 pm

1 stop10h 13m

Seattle/Tacoma Intl

Mon 5/18

2:30 pm-11:18 pm

1 stop6h 48m

$206

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Wed 2/18

4:42 pm-11:25 pm

1 stop8h 43m

Seattle/Tacoma Intl

Fri 3/6

2:00 pm-11:43 pm

1 stop7h 43m

$206

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 2/27

4:42 pm-11:25 pm

1 stop8h 43m

Seattle/Tacoma Intl

Sat 2/28

5:30 am-1:38 pm

1 stop6h 08m

$206

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sun 5/10

4:10 pm-10:17 pm

1 stop8h 07m

Seattle/Tacoma Intl

Tue 5/19

12:00 pm-11:18 pm

1 stop9h 18m

$206

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 5/8

4:10 pm-12:22 am

1 stop10h 12m

Seattle/Tacoma Intl

Mon 5/18

2:30 pm-11:18 pm

1 stop6h 48m

$215

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 5/8

6:01 pm-8:35 pm

Nonstop4h 34m

Seattle/Tacoma Intl

Tue 5/19

11:22 pm-5:29 am

Nonstop4h 07m

$217

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Thu 1/22

6:46 pm-9:22 pm

Nonstop4h 36m

Seattle/Tacoma Intl

Sat 1/31

11:40 am-5:45 pm

Nonstop4h 05m

$217

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Thu 5/14

7:00 am-9:35 am

Nonstop4h 35m

Seattle/Tacoma Intl

Sat 5/16

11:22 pm-5:29 am

Nonstop4h 07m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 60 results
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Best time to book a flight from San Antonio to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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 Washington

What is the cheapest month to book a flight from San Antonio to State of Washington?

Currently, February is the cheapest month in which you can book a flight from San Antonio to State of Washington (average of $80). Flying from San Antonio to State of Washington in June is currently the most expensive (average of $212). 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 WA?

Find hourly flight availability from San Antonio to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 28, 2025.

When flying from San Antonio to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 14% versus a flight in the evening.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated December 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from San Antonio to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,551 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

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.
Alaska Airlines
8.0
Very good
11,551 reviews
Alaska Airlines
8.0
Very good
11,551 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

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.
Southwest
8.0
Very good
4,256 reviews
Alaska Airlines
8.0
Very good
11,551 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

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.
Delta
7.9
Good
8,019 reviews
Alaska Airlines
8.0
Very good
11,551 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

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.
United Airlines
7.4
Good
9,113 reviews
Alaska Airlines
8.0
Very good
11,551 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

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.
American Airlines
7.2
Good
11,072 reviews
Alaska Airlines
8.0
Very good
11,551 reviews

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

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 Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Antonio to Washington?

    For a flight from San Antonio to Washington, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city.

  • How popular is this San Antonio to State of Washington flight route?

    Within the past month, 47 users have taken a look at flights from San Antonio to Washington.

  • How long is the flight from San Antonio to State of Washington?

    Alaska Airlines, Delta, and Frontier can get you from San Antonio to State of Washington in just under 4h 34m. Your travel time can differ by up to 5h 39m. The distance from San Antonio to State of Washington is about 1772 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from San Antonio to State of Washington one-way?

    The cheapest airlines for a one-way flight from San Antonio to State of Washington are Southwest ($69), Frontier ($72), and American Airlines ($89).

  • What are the most popular routes from San Antonio to State of Washington?

    The most popular flight routes from San Antonio to State of Washington are San Antonio - Seattle/Tacoma Intl, San Antonio - Portland and San Antonio - Spokane.

  • What are the most reliable airlines from San Antonio to State of Washington?

    Before booking your flight to State of Washington from San Antonio, check out the most reliable airlines to get you to your destination on time: Qatar Airways (79%), Air Tahiti Nui (73%), Hawaiian Airlines( 73%).

  • What are the cheapest flights from San Antonio to State of Washington?

    The cheapest flight price from San Antonio to State of Washington is $128. On average you can expect to pay $473. The most popular route, (San Antonio - Seattle/Tacoma Intl), can usually be booked for $197.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Washington 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 State of Washington?

    Currently, February is the cheapest month in which you can book a flight from San Antonio to State of Washington (average of $80). Flying from San Antonio to State of Washington in June is currently the most expensive (average of $212). 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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Alternative routes for San Antonio to Washington

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 Washington

Discover the top 8 airlines that operate flights from San Antonio to Washington. 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$87Average$199FlexibilityNo cancel feeOn-time65%
FrontierCheapest$101Average$252FlexibilityNo cancel feeOn-time62%
DeltaCheapest$178Average$317FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$194Average$420FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$194Average$351FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$214Average$383FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$234Average$397FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$237Average$377FlexibilityNo cancel feeOn-time85%

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