Cheap flights from Washington to San Antonio (WAS - SAT)

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The best prices from Washington to San Antonio are usually found in August or September, booked 25 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

How to find the cheapest flight from
Washington (WAS) to San Antonio (SAT)

All the information you need to plan the best WAS to SAT flight in 2021: compare Washington to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.
WAS - SAT
Price
$216 - $398

Popular in

December

High demand for flights, 18% potential price rise

Cheapest in

August

Best time to find cheap flights, 34% potential price drop

Round-trip from

$216

From Washington to San Antonio

One-way from

$68

One-way flight from Washington to San Antonio

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Washington to San Antonio?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 33%.

How far in advance should I book a flight from Washington to San Antonio?

Travelers have found it’s best to book a flight 24 days in advance to save up to 14% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 24 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington to San Antonio 1-2 weeks in advance for as low as $354, or $408 for flights within the next 24 hours.

What is the cheapest month to fly from Washington to San Antonio?

Flights from Washington to San Antonio lean towards being more expensive in December. Prices are generally better when you fly from Washington to San Antonio in August, with the cheapest ticket starting at $117.

When is the cheapest time to fly from Washington to San Antonio (WAS - SAT)?

It’s typically best to fly out from Washington to San Antonio in the morning. Doing so could potentially save you 17% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Washington to San Antonio in September, October 2021

The best prices found for WAS to SAT flights for September, October
21 Sep - 28 Sep
$141pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
28 Sep - 29 Sep
$148pp
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
28 Sep - 5 Oct
$151pp
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington

Washington to San Antonio 2021 flight deals

Cheap flights to San Antonio from Washington found for this year
6 Nov - 10 Nov
$122pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
BWI
Baltimore/Washington
10 Nov - 15 Nov
$129pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
21 Sep - 28 Sep
$141pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington

Non-stop flights to San Antonio from Washington

Save time with Washington to San Antonio direct flight deals
25 Nov - 7 Dec
$321pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington Dulles Intl
1 Oct - 6 Oct
$324pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington Dulles Intl
1 Oct - 4 Oct
$327pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington Dulles Intl

Last minute flights from Washington to San Antonio

Late deals on round-trip flights to San Antonio from Washington, departing today and this week
28 Sep - 29 Sep
$148pp
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
28 Sep - 5 Oct
$151pp
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
 
1 STOP
BWI
Baltimore/Washington
28 Sep - 29 Sep
$163pp
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
SAT
San Antonio
SAT
San Antonio
Multiple Airlines
   
2 STOPS
BWI
Baltimore/Washington

One-way flights to San Antonio from Washington

The cheapest one-way flights from Washington to San Antonio
3:50 pm - 12:54 pm
Multiple Airlines
1 Stop
22h 04m
BWI - SAT
Multiple Airlines
$68
Kiwi.com
3:50 pm - 5:38 am
Multiple Airlines
1 Stop
14h 48m
BWI - SAT
Multiple Airlines
$69
Kiwi.com
1:40 pm - 11:15 am
Frontier
1 Stop
22h 35m
BWI - SAT
Frontier
$77
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Washington</span> to <span class="emphasized">San Antonio</span> flights.

Flight FAQs

From Washington to San Antonio

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. There are 5 flights from Washington to San Antonio per day from 5 different airlines.

Which airlines flying from Washington to San Antonio have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, American Airlines, and Delta flying from Washington to San Antonio have implemented new flexible cancellation policies.

Are flight prices decreasing from Washington to San Antonio due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington and San Antonio for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Washington to San Antonio for under $200 on Cheapflights?

Yes, there are multiple flights from Washington to San Antonio for under $200. The cheapest flight booked recently is on Frontier for just $122, but on average you can expect to pay $168.

Are there nonstop flights from Washington to San Antonio for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington to San Antonio under $400. A good price for a nonstop flight from Washington to San Antonio is less than $407.

Are there last-minute flights available from Washington to San Antonio for under $200?

There are currently 20+ open flights from Washington to San Antonio within the next 7 days for less than $200.

What is the cheapest airline to fly from Washington to San Antonio round-trip?

Cheapflights users have booked flights from Washington to San Antonio round-trip from $122. Frontier is currently priced 62% below the average price you’ll pay for this route.

COVID Restrictions

View COVID Travel Restrictions for San Antonio, TX

Do I need a COVID test to fly to San Antonio from Washington?

Information is based on travel restrictions for travel to San Antonio within the United States

Most visitors from Washington need to provide a negative COVID-19 test result and/or quarantine to enter San Antonio.

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Antonio.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering San Antonio.

Do I need a test to fly back to Washington from San Antonio?

Returning to Washington from San Antonio

COVID-19 testing requirements
Visitors from San Antonio must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington.

Quarantine requirements
Visitors from San Antonio are not required to quarantine after entering Washington.

Hide COVID Travel Restrictions for San Antonio, TX

Destination information for San Antonio

Things to know before you go - useful duration and weather info for your trip from Washington to San Antonio.

Airports servicing Washington

Reagan-National (DCA)

Airports servicing San Antonio

Top 4 airlines flying from Washington to San Antonio

The chart below displays the airlines Cheapflights users traveling from Washington to San Antonio choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$69 $186 No cancel fee 62%
American Airlines
$66 $373 No cancel fee 71%
Delta
$160 $392 No cancel fee N/A
United Airlines
$203 $406 No cancel fee 69%

Hourly flight availability from Washington to San Antonio

See what time of day planes typically take off from Washington towards San Antonio.
Afternoon Noon to 6 PM 89% of WAS to SAT departures
Early morning Midnight to 6 AM 11% of WAS to SAT departures
Morning 6 AM to noon 0% of WAS to SAT departures
Evening 6 PM to midnight 0% of WAS to SAT departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Washington to San Antonio
See how many times per day planes take to the skies headed from Washington to San Antonio.
Sunday
4 daily flights
Monday
5 daily flights
Tuesday
7 daily flights
Wednesday
7 daily flights
Thursday
5 daily flights
Friday
5 daily flights
Saturday
4 daily flights
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