
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $245 (Expedia) |
One-way from | $120 (Frontier) |
Popular in | June |
Cheapest in | September |
Average price | $379 |
Good round-trip deal | $343 or less |
Good one-way deal | $238 or less |
Fly from
Fly to
Route
Depart
Return
San AntonioWashington, D.C.
SAT - IAD
SATIAD
San Antonio
Wed 7/29
7:40 am-2:01 pm
1 stop5h 21m
Washington, D.C. Dulles Intl
Sun 8/2
6:00 am-10:34 am
1 stop5h 34m
San AntonioWashington, D.C.
SAT - IAD
SATIAD
San Antonio
Wed 8/19
6:30 am-1:55 pm
1 stop6h 25m
Washington, D.C. Dulles Intl
Mon 8/24
5:55 pm-10:39 pm
1 stop5h 44m
San AntonioWashington, D.C.
SAT - IAD
SATIAD
San Antonio
Fri 7/31
7:00 am-11:27 am
Nonstop3h 27m
Washington, D.C. Dulles Intl
Fri 8/7
8:25 am-10:59 am
Nonstop3h 34m
San AntonioWashington, D.C.
SAT - DCA
SATDCA
San Antonio
Thu 7/23
12:04 pm-8:47 pm
1 stop7h 43m
Washington, D.C. Reagan-National
Sat 7/25
6:02 am-11:42 am
1 stop6h 40m
San AntonioWashington, D.C.
SAT - DCA
SATDCA
San Antonio
Mon 8/17
3:30 pm-11:55 pm
2 stops7h 25m
Washington, D.C. Reagan-National
Wed 8/19
10:45 am-2:50 pm
1 stop5h 05m
San AntonioWashington, D.C.
SAT - DCA
SATDCA
San Antonio
Fri 8/21
5:00 am-2:55 pm
2 stops8h 55m
Washington, D.C. Reagan-National
Tue 8/25
10:45 am-2:50 pm
1 stop5h 05m
San AntonioWashington, D.C.
SAT - IAD
SATIAD
San Antonio
Thu 8/13
5:20 am-11:33 am
1 stop5h 13m
Washington, D.C. Dulles Intl
Sun 8/16
7:26 pm-12:28 am
1 stop6h 02m
San AntonioWashington, D.C.
SAT - DCA
SATDCA
San Antonio
Sun 8/2
6:15 pm-11:55 pm
1 stop4h 40m
Washington, D.C. Reagan-National
Fri 8/7
6:50 am-11:10 am
1 stop5h 20m
San AntonioWashington, D.C.
SAT - IAD
SATIAD
San Antonio
Thu 9/3
5:20 am-2:05 pm
1 stop7h 45m
Washington, D.C. Dulles Intl
Mon 9/7
6:00 am-11:49 am
1 stop6h 49m
San AntonioWashington, D.C.
SAT - DCA
SATDCA
San Antonio
Thu 9/24
5:45 am-12:50 pm
1 stop6h 05m
Washington, D.C. Reagan-National
Sun 10/4
6:10 pm-12:30 am
1 stop7h 20m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
Currently, October is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. (average of $85). Flying from San Antonio to Washington, D.C. in June is currently the most expensive (average of $249). 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.
Unlike in the evening, when flights are generally more expensive, you can save up to 32% on flights from San Antonio to Washington, D.C. by exploring options for tickets in the morning.
The most flights from SAT to WAS are scheduled on a Wednesday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
Chicago (MDW) – chosen by Cheapflights users on 50% of 1-stop itineraries from San Antonio to Washington, D.C. on Cheapflights.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $184.
Flights via Houston (IAH) have the shortest average one-way travel time for 1-stop routes: 4h 57m.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 0h 53m.
Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Scott,Feb 2026
HOU - FLL
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Scott,Feb 2026
HOU - FLL
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Scott,Feb 2026
HOU - FLL
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Scott,Feb 2026
HOU - FLL
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Scott,Feb 2026
HOU - FLL
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Scott,Feb 2026
HOU - FLL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$243 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$185 | Average$408 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$210 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$424 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$249 | Average$405 | FlexibilityNo cancel fee | On-time69% |