$165+ Cheap flights from Reagan-National (DCA) to San Antonio (SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SAT
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Reagan-National 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.Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to San Antonio are usually found in January or April, booked 64 days in advance, depart on a Friday or Tuesday and return on a Thursday
Cheap flight deals from Reagan-National to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Reagan-National to San AntonioExplore the most affordable flight options available from Reagan-National to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Reagan-National to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:00 pm -
1 stop7h 26m
Sun 10/258:21 pm -
1 stop24h 38m
Deal found 9/6![Frontier logo]()
$309
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:00 pm -
1 stop7h 25m
Sat 9/198:20 pm -
1 stop14h 51m
Deal found 9/2![Frontier logo]()
$310
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:29 pm -
Nonstop3h 41m
Sun 10/45:00 am -
1 stop5h 00m
Deal found 9/2![American Airlines logo]()
$314
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 pm -
1 stop26h 25m
Fri 9/258:20 pm -
1 stop19h 39m
Deal found 9/2![Frontier logo]()
$315
This Expedia deal was found by Cheapflights users on 9/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 pm -
1 stop26h 25m
Fri 9/258:20 pm -
1 stop19h 39m
Deal found 9/4![Frontier logo]()
$318
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:15 am -
1 stop8h 23m
Wed 11/254:19 pm -
1 stop4h 56m
Deal found 9/3![United Airlines logo]()
$319
This Jettzy deal was found by Cheapflights users on 9/2. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:06 pm -
1 stop7h 19m
Sun 9/138:20 pm -
1 stop14h 51m
Deal found 9/2![Frontier logo]()
$321
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/54:05 pm -
2 stops8h 20m
Mon 11/911:25 am -
2 stops9h 20m
Deal found 9/2![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:30 pm -
1 stop7h 03m
Mon 11/235:30 am -
1 stop4h 59m
Deal found 9/2![Delta logo]()
$324
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am -
1 stop13h 25m
Sat 9/198:20 pm -
1 stop14h 51m
Deal found 9/2![Frontier logo]()
$325
Best flights from Reagan-National to San AntonioDiscover carefully curated flight deals from Reagan-National to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Reagan-National to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:10 am -
1 stop5h 40m
Mon 11/232:33 pm -
1 stop6h 27m
Deal found 9/3![Delta logo]()
$324
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:20 pm -
1 stop5h 00m
Fri 10/234:45 pm -
1 stop5h 10m
Deal found 9/6![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:50 pm -
1 stop5h 10m
Sat 10/35:00 am -
1 stop8h 00m
Deal found 9/6![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:40 am -
1 stop5h 15m
Fri 12/45:50 am -
2 stops8h 15m
Deal found 9/4![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:40 pm -
1 stop5h 25m
Sat 10/246:25 am -
2 stops8h 30m
Deal found 9/6![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/94:05 pm -
2 stops8h 20m
Mon 11/164:30 pm -
1 stop5h 25m
Deal found 9/5![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:10 am -
2 stops9h 15m
Fri 10/234:45 pm -
1 stop5h 10m
Deal found 9/6![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
1 stop8h 55m
Sun 11/14:55 pm -
1 stop4h 55m
Deal found 9/4![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:35 pm -
2 stops9h 05m
Sun 10/256:15 am -
1 stop5h 05m
Deal found 9/5![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 9/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:05 pm -
2 stops8h 20m
Sun 11/87:20 am -
2 stops6h 40m
Deal found 9/3![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:20 am -
1 stop5h 15m
Wed 12/307:45 am -
2 stops6h 15m
Deal found 9/6![Southwest logo]()
$448
Last-minute flights from Reagan-National to San AntonioDiscover last-minute flight deals from Reagan-National to San Antonio. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to San Antonio. Data last updated September 7, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 pm -
1 stop26h 25m
Fri 9/258:20 pm -
1 stop19h 39m
Deal found 9/2![Frontier logo]()
$315
This Jettzy deal was found by Cheapflights users on 9/2. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:06 pm -
1 stop7h 19m
Sun 9/138:20 pm -
1 stop14h 51m
Deal found 9/2![Frontier logo]()
$321
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:00 pm -
1 stop7h 25m
Sat 9/198:20 pm -
1 stop14h 51m
Deal found 9/2![Frontier logo]()
$310
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 am -
1 stop13h 25m
Sat 9/198:20 pm -
1 stop14h 51m
Deal found 9/2![Frontier logo]()
$325
This Expedia deal was found by Cheapflights users on 9/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 pm -
1 stop26h 25m
Fri 9/258:20 pm -
1 stop19h 39m
Deal found 9/4![Frontier logo]()
$318
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:29 pm -
Nonstop3h 41m
Sun 10/46:08 am -
Nonstop3h 28m
Deal found 9/2![American Airlines logo]()
$328
This Trip.com deal was found by Cheapflights users on 9/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:00 pm -
1 stop7h 25m
Wed 10/78:20 pm -
1 stop14h 44m
Deal found 9/3![Frontier logo]()
$326
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:29 pm -
Nonstop3h 41m
Sun 10/45:00 am -
1 stop5h 00m
Deal found 9/2![American Airlines logo]()
$314
This Super.com deal was found by Cheapflights users on 9/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:00 pm -
1 stop7h 26m
Sun 10/258:21 pm -
1 stop24h 38m
Deal found 9/6![Frontier logo]()
$309
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:35 pm -
1 stop7h 20m
Sat 10/246:25 am -
2 stops8h 30m
Deal found 9/2![Southwest logo]()
$324
One-way flights from Reagan-National to San AntonioSearch for one-way flight options from Reagan-National to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Reagan-National to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Mytrip deal was found by Cheapflights users on 9/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:00 pm -
1 stop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$165
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:06 pm -
1 stop7h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$168
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 pm -
1 stop26h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$169
This Frontier deal was found by Cheapflights users on 9/2. 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.
Fri 10/21:06 pm -
1 stop7h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$173
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 pm -
1 stop26h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$174
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:05 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$175
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:06 pm -
1 stop7h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$177
This CheapOair deal was found by Cheapflights users on 9/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 pm -
1 stop26h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$178
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:25 pm -
Nonstop3h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$180
This CheapOair deal was found by Cheapflights users on 9/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 pm -
1 stop26h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$181
Find flight deals from Reagan-National to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (Super.com) |
One-way from | $165 (Mytrip) |
Popular in | May |
Cheapest in | January |
Average price | $372 |
Good round-trip deal | $319 or less |
Good one-way deal | $193 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Reagan-National 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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Mon 12/7
2:10 pm-8:35 pm
2 stops7h 25m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$174
Quickest round-trip
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Tue 12/8
11:40 am-3:55 pm
1 stop5h 15m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$175
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Thu 12/3
12:05 pm-4:20 pm
1 stop5h 15m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$175
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Fri 9/25
3:30 pm-11:00 pm
1 stop8h 30m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$175
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Fri 10/23
3:35 pm-11:40 pm
2 stops9h 05m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Thu 11/5
4:05 pm-11:25 pm
2 stops8h 20m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Mon 10/5
3:35 pm-11:40 pm
2 stops9h 05m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Wed 11/4
2:10 pm-8:35 pm
2 stops7h 25m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Mon 9/28
5:10 pm-10:50 pm
1 stop6h 40m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$190
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Sat 10/3
6:00 am-4:52 pm
2 stops11h 52m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$195
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Reagan-National to San Antonio
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to San Antonio in September.
| 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 |
- Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Reagan-National to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Reagan-National with our price prediction graph.
DCA-SAT
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, D.C. Reagan-National Airport to San Antonio
How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to San Antonio?
To ensure you get the cheapest price possible for a flight from Washington, D.C. Reagan-National Airport to San Antonio, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San Antonio?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Antonio (average of $317). Flying from Washington, D.C. Reagan-National Airport to San Antonio in May is currently the most expensive (average of $493). 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 DCA to SAT?
Find hourly flight availability from Reagan-National 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 7, 2026.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Reagan-National Airport to San Antonio in the morning. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated September 7, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Washington, D.C. Reagan-National Airport to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Overall
8.0
Food
7.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Reagan-National to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
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Top 5 airlines flying from Reagan-National to San Antonio
Discover the top 5 airlines that operate flights from Reagan-National 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$284 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$362 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$264 | Average$417 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$267 | Average$391 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$463 | FlexibilityNo cancel fee | On-timeN/A |