$146+ 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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SAT
Nov 24 — Dec 11
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 April or July, booked 85 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 October 25, 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 October 25, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 12/25:30 pm -
Nonstop4h 00m
Wed 12/96:08 am -
Nonstop3h 10m
Deal found 10/21![American Airlines logo]()
$291
This Super.com deal was found by Cheapflights users on 10/20. 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.
Fri 11/61:00 pm -
1 stop7h 14m
Mon 11/98:20 pm -
1 stop19h 27m
Deal found 10/20![Frontier logo]()
$292
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Wed 11/115:26 pm -
1 stop5h 31m
Tue 11/177:40 am -
Nonstop3h 18m
Deal found 10/23![American Airlines logo]()
$294
This Trip.com deal was found by Cheapflights users on 10/24. 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.
Thu 11/121:00 pm -
1 stop7h 25m
Mon 11/168:20 pm -
1 stop19h 27m
Deal found 10/24![Frontier logo]()
$295
This Southwest deal was found by Cheapflights users on 10/20. 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 12/12:10 pm -
2 stops7h 30m
Fri 12/42:50 pm -
1 stop6h 05m
Deal found 10/20![Southwest logo]()
$296
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 pm -
1 stop26h 25m
Thu 11/58:20 pm -
1 stop14h 49m
Deal found 10/20![Frontier logo]()
$298
This CheapOair deal was found by Cheapflights users on 10/21. 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 11/37:00 am -
1 stop13h 25m
Wed 11/118:20 pm -
1 stop14h 49m
Deal found 10/21![Frontier logo]()
$299
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 am -
1 stop13h 33m
Mon 11/308:28 pm -
1 stop24h 27m
Deal found 10/21![Frontier logo]()
$300
This Cheapflightsfares deal was found by Cheapflights users on 10/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:05 pm -
1 stop26h 30m
Mon 1/48:30 pm -
1 stop19h 25m
Deal found 10/24![Frontier logo]()
$303
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:00 am -
1 stop13h 25m
Mon 11/98:20 pm -
1 stop19h 27m
Deal found 10/21![Frontier logo]()
$304
This Mytrip deal was found by Cheapflights users on 10/21. 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 10/281:00 pm -
1 stop7h 25m
Wed 11/48:20 pm -
1 stop24h 30m
Deal found 10/21![Frontier logo]()
$306
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 October 25, 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 October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/21. 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 11/134:05 pm -
2 stops8h 25m
Mon 11/164:35 pm -
1 stop5h 25m
Deal found 10/21![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 10/20. 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.
Mon 12/215:34 pm -
1 stop6h 04m
Tue 12/291:00 pm -
1 stop6h 39m
Deal found 10/20![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 10/24. 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 1/56:05 am -
1 stop7h 10m
Sat 1/96:00 am -
2 stops7h 15m
Deal found 10/24![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 10/24. 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 12/312:10 pm -
2 stops7h 30m
Tue 1/56:45 am -
2 stops7h 20m
Deal found 10/24![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 10/20. 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.
Wed 12/232:59 pm -
1 stop9h 02m
Fri 1/15:07 am -
1 stop5h 27m
Deal found 10/20![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 10/21. 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.
Tue 12/226:00 am -
1 stop5h 52m
Fri 12/256:00 am -
1 stop7h 14m
Deal found 10/21![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 10/22. 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 1/158:00 am -
1 stop8h 15m
Sun 1/177:50 am -
2 stops7h 20m
Deal found 10/22![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 10/24. 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 12/64:05 pm -
2 stops8h 25m
Thu 12/103:20 pm -
1 stop5h 50m
Deal found 10/24![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 10/23. 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 12/179:45 am -
1 stop7h 18m
Sat 12/194:50 pm -
1 stop5h 39m
Deal found 10/23![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 10/20. 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 12/243:35 pm -
1 stop9h 10m
Sat 12/265:40 am -
1 stop11h 20m
Deal found 10/20![Southwest logo]()
$389
This Southwest deal was found by Cheapflights users on 10/21. 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 11/162:10 pm -
2 stops7h 30m
Mon 12/73:00 pm -
2 stops6h 00m
Deal found 10/21![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 10/24. 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 11/112:10 pm -
2 stops7h 30m
Sat 11/1412:40 pm -
2 stops7h 55m
Deal found 10/24![Southwest logo]()
$433
Last-minute flights from Reagan-National to San AntonioDiscover last-minute flight deals from Reagan-National to San Antonio. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to San Antonio. Data last updated October 25, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/21. 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 10/281:00 pm -
1 stop7h 25m
Wed 11/48:20 pm -
1 stop24h 30m
Deal found 10/21![Frontier logo]()
$306
This CheapOair deal was found by Cheapflights users on 10/22. 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 11/37:00 am -
1 stop13h 25m
Wed 11/118:20 pm -
1 stop24h 30m
Deal found 10/22![Frontier logo]()
$296
This Cheapflightsfares deal was found by Cheapflights users on 10/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 pm -
1 stop26h 25m
Thu 11/58:20 pm -
1 stop14h 49m
Deal found 10/20![Frontier logo]()
$298
This Super.com deal was found by Cheapflights users on 10/20. 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.
Fri 11/61:00 pm -
1 stop7h 14m
Mon 11/98:20 pm -
1 stop19h 27m
Deal found 10/20![Frontier logo]()
$292
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:00 am -
1 stop13h 25m
Mon 11/98:20 pm -
1 stop19h 27m
Deal found 10/21![Frontier logo]()
$304
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 11/115:30 pm -
Nonstop3h 59m
Wed 12/26:08 am -
Nonstop3h 10m
Deal found 10/21![American Airlines logo]()
$291
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Wed 11/115:26 pm -
1 stop5h 31m
Tue 11/177:40 am -
Nonstop3h 18m
Deal found 10/23![American Airlines logo]()
$294
This Trip.com deal was found by Cheapflights users on 10/24. 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.
Thu 11/121:00 pm -
1 stop7h 25m
Mon 11/168:20 pm -
1 stop19h 27m
Deal found 10/24![Frontier logo]()
$295
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:00 am -
1 stop13h 33m
Mon 11/308:28 pm -
1 stop24h 27m
Deal found 10/23![Frontier logo]()
$308
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:00 am -
1 stop13h 33m
Mon 11/308:28 pm -
1 stop24h 27m
Deal found 10/21![Frontier logo]()
$300
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 October 25, 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 October 25, 2026.
This Travelocity deal was found by Cheapflights users on 10/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/197:40 am -
1 stop12h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$146
This Southwest deal was found by Cheapflights users on 10/21. 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 12/292:05 pm -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$148
This Southwest deal was found by Cheapflights users on 10/25. 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 12/177:35 pm -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Southwest logo]()
$149
This Southwest deal was found by Cheapflights users on 10/20. 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 12/32:10 pm -
2 stops7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Southwest logo]()
$153
This Super.com deal was found by Cheapflights users on 10/23. 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.
Sun 11/227:00 am -
1 stop13h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$154
This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 12/186:59 am -
1 stop6h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$155
This Southwest deal was found by Cheapflights users on 10/20. 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 12/2512:05 pm -
1 stop5h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Southwest logo]()
$156
This Super.com deal was found by Cheapflights users on 10/22. 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 10/311:00 pm -
1 stop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$157
This Super.com deal was found by Cheapflights users on 10/20. 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.
Wed 10/281:00 pm -
1 stop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$158
This Trip.com deal was found by Cheapflights users on 10/23. 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.
Thu 1/71:30 pm -
1 stop6h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Frontier logo]()
$161
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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (American Airlines) |
One-way from | $146 (Travelocity) |
Popular in | May |
Cheapest in | April |
Average price | $414 |
Good round-trip deal | $359 or less |
Good one-way deal | $250 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 October 25, 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
Fri 12/4
2:10 pm-8:40 pm
2 stops7h 30m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$154
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Sat 12/19
8:15 pm-12:40 am
1 stop5h 25m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$155
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Fri 12/18
6:59 am-12:40 pm
1 stop6h 41m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$155
Quickest round-trip
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Fri 12/25
12:05 pm-4:20 pm
1 stop5h 15m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$156
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Sun 11/22
4:05 pm-11:30 pm
2 stops8h 25m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$166
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Fri 11/6
1:00 pm-7:14 pm
1 stop7h 14m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$200
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Thu 12/17
4:05 pm-11:30 pm
2 stops8h 25m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$205
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Thu 12/17
5:30 pm-10:59 pm
1 stop6h 29m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$234
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Thu 12/10
2:10 pm-8:40 pm
2 stops7h 30m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$235
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Sat 11/21
2:45 pm-11:45 pm
2 stops10h 00m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$235
Showing 1-10 of 23 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 October.
| 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
Prices
Airlines
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 84 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, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Antonio (average of $328). 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 October 25, 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 33% on your trip compared to booking a flight in the evening.
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 October 25, 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.
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Food
7.0
Overall
7.9
Entertainment
7.4
Boarding
8.1
Crew
8.6
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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Reagan-National and San Antonio flights
Browse other Reagan-National and San Antonio flight options. Last updated on October 25, 2026.
Other flights from Reagan-National
Browse through other flights departing from Reagan-National. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$267 | Average$420 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$280 | Average$404 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$439 | FlexibilityNo cancel fee | On-timeN/A |