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$78+ 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SEA
Oct 24 — Oct 311
Fri 10/24
Fri 10/31
1 adult, Economy
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Cheap 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 September 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Booking.com)

One-way from

$78
(Priceline)

Popular in

December

Cheapest in

January

Average price

$282

Good round-trip deal

$274 or less

Good one-way deal

$138 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 Washington
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One-way flight from San Antonio to Washington
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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 ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from San Antonio to Washington.
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Price to beat on a one-way flight from San Antonio to Washington.
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Find 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 September 24, 2025.

This Booking.com deal was found by Cheapflights users on 9/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:09 pmSAT - PDX
1 stop25h 39mFrontier
Tue 10/2112:43 pmPDX - SAT
1 stop24h 31mFrontier
Deal found 9/24$157
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/208:20 pmSAT - PDX
1 stop17h 28mFrontier
Wed 10/2212:43 pmPDX - SAT
1 stop20h 31mFrontier
Deal found 9/23$183
This Booking.com deal was found by Cheapflights users on 9/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:25 pmSAT - PDX
1 stop17h 31mFrontier
Sun 11/912:51 pmPDX - SAT
2 stops28h 39mFrontier
Deal found 9/22$186
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/138:20 pmSAT - PDX
1 stop17h 28mFrontier
Wed 10/1512:43 pmPDX - SAT
1 stop20h 31mFrontier
Deal found 9/22$195
This Delta deal was found by Cheapflights users on 9/23. 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 10/246:07 pmSAT - SEA
1 stop7h 52mDelta
Mon 10/277:10 amSEA - SAT
1 stop8h 15mDelta
Deal found 9/23$196
This Delta deal was found by Cheapflights users on 9/23. 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.
Tue 12/93:00 pmSAT - SEA
1 stop10h 58mDelta
Wed 12/1011:55 pmSEA - SAT
1 stop10h 00mDelta
Deal found 9/23$197
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
Wed 12/106:00 amSAT - SEA
Nonstop4h 40mAlaska Airlines
Wed 12/1011:52 amSEA - SAT
Nonstop4h 07mAlaska Airlines
Deal found 9/23$199
This Southwest deal was found by Cheapflights users on 9/24. 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.
Fri 10/248:35 pmSAT - SEA
1 stop6h 15mSouthwest
Tue 10/2810:10 amSEA - SAT
2 stops10h 10mSouthwest
Deal found 9/24$200
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/168:26 pmSAT - PDX
1 stop17h 22mFrontier
Thu 10/2312:43 pmPDX - SAT
1 stop28h 58mFrontier
Deal found 9/22$202
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Sun 11/168:25 pmSAT - SEA
1 stop17h 48mFrontier
Mon 11/241:01 pmSEA - SAT
1 stop9h 19mFrontier
Deal found 9/22$203
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
Mon 12/86:00 amSAT - SEA
Nonstop4h 40mAlaska Airlines
Wed 12/1011:52 amSEA - SAT
Nonstop4h 07mAlaska Airlines
Deal found 9/23$205
This Frontier deal was found by Cheapflights users on 9/23. 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.
Mon 9/298:20 pmSAT - PDX
1 stop5h 52mFrontier
Thu 10/26:05 amPDX - SAT
1 stop11h 10mFrontier
Deal found 9/23$206

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 September 24, 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

Sat 10/25

6:00 am-1:00 pm

1 stop9h 00m

Seattle/Tacoma Intl

Tue 10/28

5:00 pm-12:31 am

1 stop5h 31m

$196

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 12/9

4:57 pm-10:22 pm

1 stop7h 25m

Seattle/Tacoma Intl

Wed 12/10

12:25 pm-11:48 pm

1 stop9h 23m

$197

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Wed 12/10

5:15 am-12:40 pm

1 stop9h 25m

Seattle/Tacoma Intl

Wed 12/10

11:55 pm-11:55 am

1 stop10h 00m

$197

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

$199

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Mon 12/8

6:40 am-1:25 pm

1 stop8h 45m

Seattle/Tacoma Intl

Wed 12/10

6:35 am-7:50 pm

1 stop11h 15m

$200

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 10/24

8:35 pm-12:50 am

1 stop6h 15m

Seattle/Tacoma Intl

Tue 10/28

10:10 am-10:20 pm

2 stops10h 10m

$200

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Mon 12/8

6:00 am-8:40 am

Nonstop4h 40m

Seattle/Tacoma Intl

Wed 12/10

11:52 am-5:59 pm

Nonstop4h 07m

$205

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 12/9

6:00 am-8:40 am

Nonstop4h 40m

Seattle/Tacoma Intl

Wed 12/10

11:52 am-5:59 pm

Nonstop4h 07m

$205

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Mon 12/8

4:57 pm-10:58 pm

1 stop8h 01m

Seattle/Tacoma Intl

Wed 12/10

6:00 am-6:15 pm

1 stop10h 15m

$211

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 2/28

4:45 pm-9:17 pm

1 stop6h 32m

Seattle/Tacoma Intl

Fri 3/13

11:59 pm-10:48 am

1 stop8h 49m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

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, January is the cheapest month in which you can book a flight from San Antonio to State of Washington (average of $238). Flying from San Antonio to State of Washington in June is currently the most expensive (average of $388). 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 September 24, 2025.

When flying from San Antonio to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 24, 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
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

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
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

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
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.0

Overall

8.0

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 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, 30 users have taken a look at flights from San Antonio to Washington.

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

    Delta, Alaska Airlines, and Southwest can get you from San Antonio to State of Washington in just under 4h 40m. Your travel time can differ by up to 4h 20m. 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 Frontier ($78), United Airlines ($93), and American Airlines ($99).

  • 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 (89%), Condor (83%), Alaska Airlines( 75%).

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

    The cheapest flight price from San Antonio to State of Washington is $138. On average you can expect to pay $885. The most popular route, (San Antonio - Seattle/Tacoma Intl), can usually be booked for $171.

  • 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, January is the cheapest month in which you can book a flight from San Antonio to State of Washington (average of $238). Flying from San Antonio to State of Washington in June is currently the most expensive (average of $388). 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.

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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 September 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$87Average$192FlexibilityNo cancel feeOn-time65%
FrontierCheapest$101Average$225FlexibilityNo cancel feeOn-time62%
DeltaCheapest$178Average$328FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$194Average$418FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$194Average$348FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$223Average$398FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$237Average$377FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$237Average$548FlexibilityNo cancel feeOn-time75%

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