Security queues at IAD can be long. Pay attention to signage for the correct train to your concourse to save time.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $108 (Frontier) |
One-way from | $54 (Frontier) |
Popular in | December |
Cheapest in | August |
Average price | $367 |
Good round-trip deal | $289 or less |
Good one-way deal | $148 or less |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Fri 12/5
6:00 am-5:47 pm
1 stop12h 47m
San Antonio
Mon 12/8
6:42 pm-10:25 pm
1 stop26h 43m
BaltimoreSan Antonio
BWI - SAT
BWISAT
Baltimore/Washington
Fri 12/5
7:57 pm-11:50 am
1 stop16h 53m
San Antonio
Mon 12/8
9:54 am-11:54 pm
2 stops13h 00m
Washington, D.C.San Antonio
IAD - SAT
IADSAT
Washington, D.C. Dulles Intl
Thu 12/4
12:45 pm-7:59 pm
1 stop8h 14m
San Antonio
Mon 12/8
7:00 am-11:11 am
Nonstop3h 11m
Washington, D.C.San Antonio
IAD - SAT
IADSAT
Washington, D.C. Dulles Intl
Thu 11/13
5:25 pm-8:15 pm
Nonstop3h 50m
San Antonio
Mon 11/17
1:23 pm-9:21 pm
1 stop6h 58m
Washington, D.C.San Antonio
IAD - SAT
IADSAT
Washington, D.C. Dulles Intl
Thu 10/30
9:52 pm-4:40 pm
2 stops19h 48m
San Antonio
Fri 11/7
5:35 pm-11:55 pm
1 stop29h 20m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Mon 11/10
11:45 am-4:00 pm
1 stop5h 15m
San Antonio
Wed 11/12
1:15 pm-8:05 pm
1 stop5h 50m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Wed 11/12
6:06 am-10:55 am
1 stop5h 49m
San Antonio
Mon 11/17
4:57 pm-10:41 pm
1 stop4h 44m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Fri 11/7
7:35 pm-12:20 am
1 stop5h 45m
San Antonio
Tue 11/11
3:00 pm-9:43 pm
1 stop5h 43m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Sat 11/15
6:30 am-12:08 pm
1 stop6h 38m
San Antonio
Tue 11/18
6:00 pm-11:44 pm
1 stop4h 44m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Tue 12/2
6:21 pm-12:34 am
1 stop7h 13m
San Antonio
Sat 12/6
11:41 am-6:40 pm
1 stop5h 59m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy2 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Washington, D.C. to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, July is the cheapest month in which you can book a flight from Washington, D.C. to San Antonio (average of $94). Flying from Washington, D.C. to San Antonio in September is currently the most expensive (average of $175). 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.
It’s typically best to fly out from Washington, D.C. to San Antonio in the evening. Doing so could potentially save you 12% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Washington, D.C. to San Antonio flight should consider departing on Friday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to SAT are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).
Phoenix (PHX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. to San Antonio on Cheapflights.
Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $288.
Flights via Dallas (DAL) have the shortest average one-way travel time for 1-stop routes: 5h 40m.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 1h 28m.
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Crew
Comfort
Food
Entertainment
Overall
Boarding
Reviews
Mike,Aug 2025
OKC - AUS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$86 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$114 | Average$227 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$158 | Average$347 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$181 | Average$399 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$236 | Average$356 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$240 | Average$390 | FlexibilityNo cancel fee | On-time69% |