HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$58+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAT
Dec 9 — Dec 161
Tue 12/9
Tue 12/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 9, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$144
(Frontier)

One-way from

$58
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$374

Good round-trip deal

$277 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Antonio flights.
Search Deals
From Washington to San Antonio
Search Deals
One-way flight from Washington to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Washington to San Antonio.
Search Deals
Price to beat on a one-way flight from Washington to San Antonio.
Search Deals

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 November 9, 2025.

This Mytrip deal was found by Cheapflights users on 11/7. 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.
Thu 12/1112:51 pmPDX - SAT
1 stop28h 09mFrontier
Sun 12/141:51 pmSAT - PDX
1 stop20h 45mFrontier
Deal found 11/7$138
This Frontier deal was found by Cheapflights users on 11/7. 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.
Fri 11/2112:20 pmGEG - SAT
1 stop10h 00mFrontier
Fri 11/287:00 amSAT - GEG
1 stop6h 25mFrontier
Deal found 11/7$144
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/1112:51 pmPDX - SAT
1 stop28h 09mMultiple Airlines
Mon 12/155:40 amSAT - PDX
1 stop12h 57mMultiple Airlines
Deal found 11/7$180
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Fri 12/125:32 pmPDX - SAT
1 stop23h 27mMultiple Airlines
Mon 12/155:40 amSAT - PDX
1 stop12h 57mMultiple Airlines
Deal found 11/7$191
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Sat 12/69:48 amPDX - SAT
1 stop7h 11mMultiple Airlines
Sat 12/137:00 amSAT - PDX
2 stops28h 34mMultiple Airlines
Deal found 11/7$197
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/1111:14 amPDX - SAT
2 stops23h 46mMultiple Airlines
Sun 12/145:40 amSAT - PDX
1 stop12h 57mMultiple Airlines
Deal found 11/7$206
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/77:26 pmPDX - SAT
1 stop13h 42mMultiple Airlines
Wed 12/107:00 amSAT - PDX
2 stops29h 19mMultiple Airlines
Deal found 11/7$211
This Delta deal was found by Cheapflights users on 11/9. 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.
Thu 12/255:25 amSEA - SAT
1 stop6h 21mDelta
Thu 1/81:03 pmSAT - SEA
1 stop7h 26mDelta
Deal found 11/9$215
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/1112:48 pmSEA - SAT
1 stop28h 12mFrontier
Sun 12/147:56 pmSAT - SEA
2 stops16h 10mFrontier
Deal found 11/7$223
This Southwest deal was found by Cheapflights users on 11/7. 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.
Mon 12/156:35 amSEA - SAT
1 stop11h 15mSouthwest
Thu 12/188:25 pmSAT - SEA
1 stop6h 10mSouthwest
Deal found 11/7$227
This Trip.com deal was found by Cheapflights users on 11/8. 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.
Tue 11/181:37 pmSEA - SAT
1 stop27h 08mFrontier
Thu 11/277:00 amSAT - SEA
1 stop6h 56mFrontier
Deal found 11/8$228
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Fri 12/125:32 pmPDX - SAT
1 stop23h 27mMultiple Airlines
Sun 12/1410:25 amSAT - PDX
2 stops10h 06mMultiple Airlines
Deal found 11/7$235

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 November 9, 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

SpokaneSan Antonio

GEG - SAT

GEGSAT

Spokane

Fri 11/21

12:20 pm-12:20 am

1 stop10h 00m

San Antonio

Fri 11/28

7:00 am-11:25 am

1 stop6h 25m

$144

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 12/12

5:32 pm-6:59 pm

1 stop23h 27m

San Antonio

Sun 12/14

5:40 am-4:37 pm

1 stop12h 57m

$191

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Mon 12/8

5:32 pm-6:59 pm

1 stop23h 27m

San Antonio

Mon 12/15

5:40 am-4:37 pm

1 stop12h 57m

$191

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Sat 1/31

10:20 am-8:10 pm

1 stop7h 50m

San Antonio

Mon 2/2

12:40 pm-8:20 pm

2 stops9h 40m

$242

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 12/4

5:56 pm-11:58 pm

Nonstop4h 02m

San Antonio

Thu 12/11

6:55 pm-9:32 pm

Nonstop4h 37m

$247

SpokaneSan Antonio

GEG - SAT

GEGSAT

Spokane

Sun 1/18

1:15 pm-9:28 pm

1 stop6h 13m

San Antonio

Tue 1/20

7:35 am-12:07 pm

1 stop6h 32m

$271

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 12/12

2:23 pm-12:37 am

2 stops8h 14m

San Antonio

Sun 12/14

2:40 pm-12:15 am

2 stops11h 35m

$274

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Wed 12/3

11:35 am-11:49 pm

2 stops10h 14m

San Antonio

Tue 12/9

11:51 am-10:40 pm

2 stops12h 49m

$274

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Tue 12/9

7:30 pm-10:31 am

2 stops13h 01m

San Antonio

Mon 12/15

12:46 pm-10:40 pm

2 stops11h 54m

$274

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Sat 12/6

5:30 am-6:26 pm

2 stops10h 56m

San Antonio

Sat 12/13

6:00 am-3:33 pm

2 stops11h 33m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 57 results
1
2
3
...
6

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 $123). Flying from State of Washington to San Antonio in June is currently the most expensive (average of $222). 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 November 9, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 36% on flights from State of Washington to San Antonio by exploring options for tickets in the evening.

What is the cheapest day to fly from State of Washington to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Washington to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to San Antonio flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 9, 2025.

The most flights from USWA to SAT are scheduled on a Sunday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as $247, Frontier can have you in San Antonio from State of Washington in 4h 02m. The distance from State of Washington to San Antonio is about 1772 mi. This flight may include one or multiple stops.

  • 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 American Airlines, which is currently one of the cheapest options available, starting at $98. Frontier flights start at $103 while deals on United Airlines start at $143 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: Alaska Airlines (85%), Air Tahiti Nui (85%), Hawaiian Airlines (85%).

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

    On average you can expect to pay $315 for a flight from State of Washington to San Antonio. The cheapest flight overall is $157 while the most popular route, (Seattle/Tacoma Intl - San Antonio) is currently priced at $166.

  • 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 $123). Flying from State of Washington to San Antonio in June is currently the most expensive (average of $222). 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
Kerrville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Los Angeles to Dallas/Fort Worth flights
Newark to Hobby flights
LaGuardia to Hobby flights
Seattle to Dallas/Fort Worth flights
Dulles Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Hobby flights
O'Hare Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Austin flights
Minneapolis to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
Newark to George Bush Intcntl flights
Ontario to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
John F Kennedy Intl to George Bush Intcntl flights
Boston to Dallas/Fort Worth flights
Newark to Austin flights
Orlando to Dallas/Fort Worth flights
Atlanta to Dallas/Fort Worth flights
LaGuardia to George Bush Intcntl flights
Dulles Intl to Hobby flights
Santa Ana to Dallas/Fort Worth flights
Seattle to Hobby flights
Philadelphia to Dallas/Fort Worth flights
Los Angeles to Hobby flights
Denver to Dallas/Fort Worth flights
Midway to Dallas/Fort Worth flights
Reagan-National to Dallas/Fort Worth flights
Reagan-National to Hobby flights
Detroit to Dallas/Fort Worth flights
Los Angeles to Austin flights
Wichita to Hobby flights
Dulles Intl to George Bush Intcntl flights
Wichita to George Bush Intcntl flights
Salt Lake City to Dallas/Fort Worth flights
Los Angeles to George Bush Intcntl flights
Baltimore to Hobby flights
Seattle to George Bush Intcntl flights
Fort Lauderdale to Dallas/Fort Worth flights
Denver to Hobby flights
LaGuardia to Austin flights
Boston to Hobby flights
Cleveland to Dallas/Fort Worth flights
Sky Harbor Intl to Dallas/Fort Worth flights
Charlotte to Dallas/Fort Worth flights
Atlanta to Hobby flights
Boston to Austin flights
San Francisco to Hobby flights

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 November 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$318FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$163Average$213FlexibilityNo cancel feeOn-time65%
FrontierCheapest$164Average$253FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$168Average$410FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$196Average$420FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$196Average$422FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$197Average$377FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$201Average$374FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.