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$85+ Cheap flights from Washington to San Antonio (SAT)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAT
ago. 7 — ago. 141
jue. 8/7
jue. 8/14
1 adult, Economy
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Cheap flight deals from Washington to San Antonio

Keep the following information in mind while searching for Washington to San Antonio flight deals. Data was last updated agosto 2, 2025.

Round-trip from

$195
(Delta)

One-way from

$85
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$284

Good round-trip deal

$277 or less

Good one-way deal

$188 or less
From Washington to San Antonio
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One-way flight from Washington to San Antonio
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Washington to San Antonio.
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Price to beat on a one-way flight from Washington to San Antonio.
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Find flight deals from Washington to San Antonio

Cheapest flights from Washington to San Antonio
Explore the most affordable flight options available from Washington to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 2, 2025.

This Delta deal was found by Cheapflights users on 7/30. 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.
sáb. 9/65:30 amSEA - SAT
1 stop6h 19mDelta
mié. 9/106:00 amSAT - SEA
1 stop8h 34mDelta
Deal found 7/30$195
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 10/1112:46 pmSEA - SAT
Nonstop4h 10mAlaska Airlines
mar. 10/147:56 pmSAT - SEA
Nonstop4h 34mAlaska Airlines
Deal found 7/30$197
This Southwest deal was found by Cheapflights users on 7/30. 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.
vie. 9/55:00 amSEA - SAT
2 stops6h 50mSouthwest
mar. 9/93:45 pmSAT - SEA
1 stop7h 55mSouthwest
Deal found 7/30$200
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/912:07 pmPDX - SAT
1 stop6h 45mSpirit Airlines
lun. 9/159:47 pmSAT - PDX
1 stop15h 24mSpirit Airlines
Deal found 7/31$215
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.
jue. 10/95:59 pmSEA - SAT
Nonstop4h 05mHawaiian Airlines
mar. 10/146:40 amSAT - SEA
Nonstop4h 29mHawaiian Airlines
Deal found 7/31$217
This United Airlines deal was found by Cheapflights users on 8/1. 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.
lun. 11/101:43 pmSEA - SAT
1 stop7h 13mUnited Airlines
sáb. 12/135:50 pmSAT - SEA
1 stop6h 57mUnited Airlines
Deal found 8/1$229
This Frontier deal was found by Cheapflights users on 8/2. 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. 10/256:05 amPDX - SAT
1 stop7h 09mFrontier
sáb. 11/14:12 pmSAT - PDX
1 stop8h 27mFrontier
Deal found 8/2$238
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/96:00 amSEA - SAT
1 stop6h 33mFrontier
dom. 10/123:28 pmSAT - SEA
1 stop6h 11mFrontier
Deal found 8/1$245
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/156:30 amSEA - SAT
1 stop8h 28mAmerican Airlines
sáb. 9/63:28 pmSAT - SEA
1 stop7h 40mAmerican Airlines
Deal found 7/31$247
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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. 9/41:05 pmPSC - SAT
1 stop8h 58mAlaska Airlines
lun. 9/87:57 pmSAT - PSC
1 stop6h 11mAlaska Airlines
Deal found 8/1$258
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
lun. 9/87:44 pmGEG - SAT
1 stop21h 13mAlaska Airlines
sáb. 9/206:27 amSAT - GEG
1 stop8h 19mAlaska Airlines
Deal found 8/1$258
This American Airlines deal was found by Cheapflights users on 8/1. 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.
vie. 8/292:55 pmPSC - SAT
1 stop7h 02mAmerican Airlines
lun. 9/16:55 pmSAT - PSC
1 stop6h 33mAmerican Airlines
Deal found 8/1$259

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to San Antonio 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 agosto 2, 2025.
Use the filters below to find and compare flights from Washington to San Antonio that are best for you.

Fly from

Washington

Fly to

San Antonio

Route

Depart

Return

Price

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

sáb. 9/6

5:30 am-1:49 pm

1 stop6h 19m

San Antonio

mié. 9/10

6:00 am-12:34 pm

1 stop8h 34m

$195

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

sáb. 10/11

12:46 pm-6:56 pm

Nonstop4h 10m

San Antonio

mar. 10/14

7:56 pm-10:30 pm

Nonstop4h 34m

$197

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

vie. 9/5

5:00 am-1:50 pm

2 stops6h 50m

San Antonio

mar. 9/9

3:45 pm-9:40 pm

1 stop7h 55m

$200

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

mar. 9/9

12:07 pm-8:52 pm

1 stop6h 45m

San Antonio

lun. 9/15

9:47 pm-11:11 am

1 stop15h 24m

$215

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

jue. 10/9

5:59 pm-12:04 am

Nonstop4h 05m

San Antonio

mar. 10/14

6:40 am-9:09 am

Nonstop4h 29m

$217

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

sáb. 10/25

6:05 am-3:14 pm

1 stop7h 09m

San Antonio

sáb. 11/1

4:12 pm-10:39 pm

1 stop8h 27m

$238

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

jue. 10/9

6:00 am-2:33 pm

1 stop6h 33m

San Antonio

dom. 10/12

3:28 pm-7:39 pm

1 stop6h 11m

$245

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

vie. 8/15

6:30 am-4:58 pm

1 stop8h 28m

San Antonio

sáb. 9/6

3:28 pm-9:08 pm

1 stop7h 40m

$247

PascoSan Antonio

PSC - SAT

PSCSAT

Pasco Tri Cities

jue. 9/4

1:05 pm-12:03 am

1 stop8h 58m

San Antonio

lun. 9/8

7:57 pm-12:08 am

1 stop6h 11m

$258

SpokaneSan Antonio

GEG - SAT

GEGSAT

Spokane

lun. 9/8

7:44 pm-6:57 pm

1 stop21h 13m

San Antonio

sáb. 9/20

6:27 am-12:46 pm

1 stop8h 19m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 52 results
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Best time to book a flight from Washington to San Antonio

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

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

Currently, August is the cheapest month in which you can book a flight from State of Washington to San Antonio (average of $295). Flying from State of Washington to San Antonio in March is currently the most expensive (average of $376). 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 WA to SAT?

Find hourly flight availability from Washington to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 2, 2025.

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

Weekly flight availability from State of Washington to San Antonio

Explore weekly flight availability from Washington to San Antonio. 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 agosto 2, 2025.

The most flights from USWA to SAT are scheduled on a Friday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated agosto 2, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Washington to San Antonio. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,613 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Washington to San Antonio. 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 into for flights to San Antonio from Washington?

    If you book a flight to San Antonio from Washington, you will be flying to San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio.

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

    This flight path from Washington to San Antonio was viewed by 10 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $85. Delta flights start at $98 while deals on Southwest start at $103 one-way.

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

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from State of Washington to San Antonio on time: Condor (100%), Air Tahiti Nui (77%), Alaska Airlines (74%).

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

    On average you can expect to pay $330 for a flight from State of Washington to San Antonio. The cheapest flight overall is $138 while the most popular route, (Seattle/Tacoma Intl - San Antonio) is currently priced at $195.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from State of Washington to San Antonio (average of $295). Flying from State of Washington to San Antonio in March is currently the most expensive (average of $376). 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
New Braunfels

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Alternative routes for Washington to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Washington to San Antonio

Discover the top 8 airlines that operate flights from Washington to San Antonio. 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 agosto 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$107Average$197FlexibilityNo cancel feeOn-time65%
FrontierCheapest$129Average$234FlexibilityNo cancel feeOn-time62%
DeltaCheapest$176Average$328FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$413FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$215Average$408FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$386FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$222Average$405FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$237Average$431FlexibilityNo cancel feeOn-time75%

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