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)

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

$44

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?

Flights from Washington to San Antonio are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Antonio.

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

Find a great deal and save up to 29% by booking at least 24 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington to San Antonio within the next two weeks, with the cheapest ticket starting at $119.

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

June can be a great time to fly to San Antonio from Washington with a flight ticket averaging about $134. Cheapflights users have found deals in the month of June for as cheap as $70. The most expensive prices can be found in the month of December.

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

One of the essential ways to save on airfare from Washington to San Antonio is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 12% on airfare.

Cheap flights from Washington to San Antonio in March, April 2021

15 Apr - 18 Apr
$88pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
DCA
Washington Reagan-National
15 Apr - 22 Apr
$88pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
BWI
Baltimore/Washington
9 Apr - 10 Apr
$93pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
DCA
Washington Reagan-National

Washington to San Antonio 2021 flight deals

15 Apr - 22 Apr
$88pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
BWI
Baltimore/Washington
15 Apr - 18 Apr
$88pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
DCA
Washington Reagan-National
6 May - 9 May
$93pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
BWI
Baltimore/Washington

Non-stop flights to San Antonio from Washington

22 May - 25 May
$383pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington Dulles Intl
17 Mar - 24 Mar
$404pp
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington Dulles Intl
17 Mar - 28 Mar
$410pp
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

9 Mar - 17 Mar
$131pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
DCA
Washington Reagan-National
9 Mar - 22 Mar
$143pp
DCA
Washington Reagan-National
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
DCA
Washington Reagan-National
9 Mar - 24 Mar
$164pp
IAD
Washington Dulles Intl
Frontier
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Frontier
 
1 STOP
IAD
Washington Dulles Intl

One-way flights to San Antonio from Washington

5:45 am - 12:44 pm
Frontier
1 Stop
7h 59m
BWI - SAT
Frontier
$44
Gotogate
3:00 am - 2:35 pm
Frontier
1 Stop
12h 35m
DCA - SAT
Frontier
$50
FlightNetwork
10:15 am - 6:37 am
Frontier
1 Stop
21h 22m
BWI - SAT
Frontier
$55
Flights by SU

Related info for your journey

Flight FAQs

From Washington to San Antonio

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.

What safety measures are being taken by airlines flying from Washington to San Antonio to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Washington to San Antonio include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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.

Can I find flights from Washington to San Antonio for under $100 on Cheapflights?

Yes, there are multiple flights from Washington to San Antonio for under $100. The cheapest flight booked recently is on Frontier for just $88, but on average you can expect to pay $116.

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 $540.

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 days are nonstop flights available from Washington to San Antonio?

Days when nonstop flights are available for this flight are: Tuesday.

How many flights depart from Washington to San Antonio on average per day?

1 flight departure from Washington to San Antonio per day on average.
Afternoon (Noon - 6pm) - 100% of flight departures

Is Washington weather warmer or cooler than San Antonio?

With an average temperature of 97 °F, peak weather can be found in August. As a traveler, expect to see changes in flight prices during that period. The temperatures in San Antonio are hotter than in Washington.

How long is the flight from Washington to San Antonio?

A quick flight from Washington to San Antonio can take about 5h 07m. American Airlines provides one of the quickest options available for as low as $319. Airlines will cover a distance of 1368 mi. This flight may include one or multiple stops.

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

Frontier, at $88, was found to be the cheapest airline from Washington to San Antonio.. Frontier is 73% cheaper than the average price of flights available within the next 90 days to this destination.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $44.

Destination information for San Antonio

Airports servicing Washington

Reagan National (DCA)

Airports servicing San Antonio

Top 4 airlines flying from Washington to San Antonio

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

Afternoon Noon to 6 PM 75% of WAS to SAT departures
Morning 6 AM to noon 25% of WAS to SAT departures
Early morning Midnight to 6 AM 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
Sunday
4 daily flights
Monday
4 daily flights
Tuesday
3 daily flights
Wednesday
3 daily flights
Thursday
5 daily flights
Friday
3 daily flights
Saturday
4 daily flights
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