HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$83+ 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SAT
Oct 24 — Oct 311
Fri 10/24
Fri 10/31
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 September 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Booking.com)

One-way from

$83
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$316

Good round-trip deal

$237 or less

Good one-way deal

$148 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. 6% potential increase in price ($22 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 September 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 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.
Fri 10/2412:43 pmPDX - SAT
1 stop25h 54mFrontier
Mon 10/278:25 pmSAT - PDX
1 stop17h 31mFrontier
Deal found 9/24$146
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:05 amPDX - SAT
1 stop11h 10mFrontier
Sat 10/43:22 pmSAT - PDX
1 stop9h 12mFrontier
Deal found 9/24$156
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:52 pmPDX - SAT
1 stop28h 38mFrontier
Mon 11/108:25 pmSAT - PDX
1 stop17h 31mFrontier
Deal found 9/23$157
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.
Fri 10/1712:43 pmPDX - SAT
1 stop25h 54mFrontier
Wed 10/223:59 pmSAT - PDX
1 stop21h 39mFrontier
Deal found 9/24$166
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 10/26:05 amPDX - SAT
1 stop11h 10mFrontier
Thu 10/29:33 pmSAT - PDX
1 stop22h 54mFrontier
Deal found 9/22$169
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.
Fri 10/36:05 amPDX - SAT
1 stop10h 25mFrontier
Mon 10/68:20 pmSAT - PDX
1 stop17h 28mFrontier
Deal found 9/22$170
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 10/26:05 amPDX - SAT
1 stop11h 10mFrontier
Wed 10/83:59 pmSAT - PDX
1 stop21h 39mFrontier
Deal found 9/22$179
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.
Wed 10/1512:43 pmPDX - SAT
1 stop20h 31mFrontier
Mon 10/208:20 pmSAT - PDX
1 stop17h 28mFrontier
Deal found 9/22$182
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.
Fri 10/36:05 amPDX - SAT
1 stop10h 25mFrontier
Tue 10/73:59 pmSAT - PDX
1 stop21h 49mFrontier
Deal found 9/22$183
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/296:05 amPDX - SAT
1 stop11h 10mFrontier
Sat 10/43:22 pmSAT - PDX
1 stop9h 12mFrontier
Deal found 9/22$192
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1712:43 pmPDX - SAT
1 stop25h 54mFrontier
Mon 10/208:20 pmSAT - PDX
1 stop17h 28mFrontier
Deal found 9/23$196
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:03 pmGEG - SAT
1 stop5h 38mFrontier
Sat 11/13:12 pmSAT - GEG
1 stop22h 56mFrontier
Deal found 9/23$210

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 September 24, 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

Thu 10/23

12:03 pm-7:41 pm

1 stop5h 38m

San Antonio

Sat 11/1

3:12 pm-12:08 pm

1 stop22h 56m

$210

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Mon 3/9

12:40 am-12:19 pm

1 stop9h 39m

San Antonio

Wed 3/11

6:30 am-2:45 pm

1 stop10h 15m

$215

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Fri 10/17

5:59 pm-12:04 am

Nonstop4h 05m

San Antonio

Wed 10/22

7:56 pm-10:30 pm

Nonstop4h 34m

$227

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 11/6

6:02 pm-12:05 am

Nonstop4h 03m

San Antonio

Mon 11/10

6:51 pm-9:21 pm

Nonstop4h 30m

$237

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Mon 10/20

5:59 pm-12:04 am

Nonstop4h 05m

San Antonio

Sat 10/25

6:40 am-9:09 am

Nonstop4h 29m

$237

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Wed 11/5

11:45 am-5:55 pm

Nonstop4h 10m

San Antonio

Mon 11/10

6:32 am-9:05 am

Nonstop4h 33m

$237

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 10/30

6:02 pm-12:05 am

Nonstop4h 03m

San Antonio

Tue 11/4

6:32 am-9:05 am

Nonstop4h 33m

$237

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Mon 10/20

5:59 pm-12:04 am

Nonstop4h 05m

San Antonio

Fri 10/31

6:32 am-9:05 am

Nonstop4h 33m

$237

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Thu 10/23

5:59 pm-12:04 am

Nonstop4h 05m

San Antonio

Mon 10/27

6:32 am-9:05 am

Nonstop4h 33m

$237

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Tue 10/7

5:50 am-4:10 pm

1 stop8h 20m

San Antonio

Tue 10/14

7:00 pm-11:45 pm

1 stop6h 45m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/22

Showing 1-10 of 60 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 $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 September 24, 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 September 24, 2025.

The most flights from USWA to SAT are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from State of Washington to San Antonio?

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.

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

    For as low as $227, Frontier can have you in San Antonio from State of Washington in 4h 05m. 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 Frontier, which is currently one of the cheapest options available, starting at $85. United Airlines flights start at $93 while deals on Delta start at $99 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: Air Tahiti Nui (80%), Alaska Airlines (74%), Qatar Airways (73%).

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

    On average you can expect to pay $257 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 $158.

  • 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
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
Dulles Intl to Dallas/Fort Worth flights
O'Hare Intl to Dallas/Fort Worth flights
Los Angeles to Dallas/Fort Worth flights
Seattle to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
John F Kennedy Intl to Hobby flights
Newark to Hobby flights
LaGuardia to Hobby flights
Boston to Dallas/Fort Worth flights
Philadelphia to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
Detroit to Dallas/Fort Worth flights
John F Kennedy Intl to George Bush Intcntl flights
Reagan-National to Dallas/Fort Worth flights
John F Kennedy Intl to Austin flights
Newark to George Bush Intcntl flights
Minneapolis to Dallas/Fort Worth flights
Atlanta to Dallas/Fort Worth flights
Midway to Dallas/Fort Worth flights
Denver to Dallas/Fort Worth flights
Reagan-National to Hobby flights
Santa Ana to Dallas/Fort Worth flights
Los Angeles to Austin flights
Newark to Austin flights
Dulles Intl to Hobby flights
Los Angeles to Hobby flights
LaGuardia to George Bush Intcntl flights
Baltimore to Hobby flights
Sky Harbor Intl to Dallas/Fort Worth flights
Seattle to Austin flights
Orlando to Dallas/Fort Worth flights
LaGuardia to Austin flights
O'Hare Intl to George Bush Intcntl flights
San Francisco to Hobby flights
Boston to Hobby flights
Seattle to Hobby flights
Ontario to Dallas/Fort Worth flights
Philadelphia to Love Field flights
Atlanta to Hobby flights
Baltimore to Love Field flights
Hobby to Dallas/Fort Worth flights
Los Angeles to George Bush Intcntl flights
O'Hare Intl to Austin flights
Dulles Intl to Austin flights
LaGuardia to Love Field flights
Midway to Hobby flights
O'Hare Intl to Love Field 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 September 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$129Average$245FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$130Average$201FlexibilityNo cancel feeOn-time65%
DeltaCheapest$176Average$326FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$418FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$197Average$377FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$215Average$407FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$216Average$386FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$237Average$417FlexibilityNo cancel feeOn-time75%

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.