$149+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SAT
Nov 2 — Nov 91
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 Tuesday or Friday and return on a Wednesday
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 3, 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 3, 2026.
This CheapOair deal was found by Cheapflights users on 10/1. 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.
Fri 12/46:00 pm -
1 stop25h 01m
Mon 12/78:47 pm -
1 stop24h 12m
Deal found 10/1![Frontier logo]()
$293
This Southwest deal was found by Cheapflights users on 10/1. 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 10/316:00 am -
1 stop8h 10m
Wed 11/46:45 am -
2 stops7h 20m
Deal found 10/1![Southwest logo]()
$294
This CheapOair deal was found by Cheapflights users on 10/1. 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.
Fri 12/111:40 pm -
1 stop7h 22m
Sun 12/138:47 pm -
1 stop24h 12m
Deal found 10/1![Frontier logo]()
$295
This Cheapflightsfares deal was found by Cheapflights users on 10/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am -
1 stop13h 26m
Tue 10/278:20 pm -
1 stop14h 49m
Deal found 10/3![Frontier logo]()
$296
This Trip.com deal was found by Cheapflights users on 10/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 pm -
1 stop26h 26m
Thu 10/228:21 pm -
1 stop14h 43m
Deal found 10/2![Frontier logo]()
$297
This Southwest deal was found by Cheapflights users on 10/1. 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
Tue 12/85:50 am -
2 stops8h 15m
Deal found 10/1![Southwest logo]()
$299
This CheapOair deal was found by Cheapflights users on 10/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 pm -
1 stop26h 25m
Sun 11/158:20 pm -
1 stop24h 30m
Deal found 10/3![Frontier logo]()
$300
This CheapOair deal was found by Cheapflights users on 10/2. 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 11/121:00 pm -
1 stop7h 25m
Sun 11/158:20 pm -
1 stop14h 49m
Deal found 10/2![Frontier logo]()
$302
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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.
Wed 10/141:00 pm -
1 stop7h 26m
Thu 11/128:20 pm -
1 stop24h 30m
Deal found 10/1![Frontier logo]()
$305
This CheapOair deal was found by Cheapflights users on 9/30. 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 11/177:00 am -
1 stop13h 25m
Fri 11/278:28 pm -
1 stop15h 31m
Deal found 9/30![Frontier logo]()
$307
This Trip.com deal was found by Cheapflights users on 10/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 pm -
1 stop26h 26m
Thu 10/298:20 pm -
1 stop14h 49m
Deal found 10/2![Frontier logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 10/305:15 pm -
Nonstop3h 53m
Mon 11/26:00 am -
Nonstop3h 18m
Deal found 9/30![American Airlines logo]()
$314
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 3, 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 3, 2026.
This Southwest deal was found by Cheapflights users on 9/28. 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 10/289:10 am -
2 stops9h 15m
Wed 11/45:50 am -
2 stops8h 15m
Deal found 9/28![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 9/30. 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 10/204:35 pm -
1 stop4h 55m
Sat 10/245:00 am -
1 stop8h 00m
Deal found 9/30![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 10/2. 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 12/256:10 am -
1 stop8h 05m
Thu 12/3112:20 pm -
1 stop5h 30m
Deal found 10/2![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 9/29. 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 1/3110:40 am -
1 stop5h 25m
Wed 2/36:40 am -
1 stop4h 35m
Deal found 9/29![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 10/2. 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 12/1011:40 am -
1 stop5h 15m
Sun 12/1311:25 am -
2 stops9h 20m
Deal found 10/2![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 9/29. 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 12/1612:05 pm -
1 stop5h 15m
Sat 12/261:00 pm -
1 stop5h 55m
Deal found 9/29![Southwest logo]()
$414
This Southwest deal was found by Cheapflights users on 10/1. 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
Thu 10/2211:40 am -
1 stop9h 15m
Deal found 10/1![Southwest logo]()
$424
This Southwest deal was found by Cheapflights users on 10/2. 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 10/2112:55 pm -
2 stops8h 35m
Deal found 10/2![Southwest logo]()
$444
Last-minute flights from Reagan-National to San AntonioDiscover last-minute flight deals from Reagan-National to San Antonio. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to San Antonio. Data last updated October 3, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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.
Wed 10/141:00 pm -
1 stop7h 26m
Thu 11/128:20 pm -
1 stop24h 30m
Deal found 10/1![Frontier logo]()
$305
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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.
Fri 10/167:00 am -
1 stop13h 26m
Sun 10/188:21 pm -
1 stop14h 43m
Deal found 9/29![Frontier logo]()
$316
This Trip.com deal was found by Cheapflights users on 10/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 pm -
1 stop26h 26m
Thu 10/228:21 pm -
1 stop14h 43m
Deal found 10/2![Frontier logo]()
$297
This Trip.com deal was found by Cheapflights users on 10/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 pm -
1 stop26h 26m
Thu 10/298:20 pm -
1 stop14h 49m
Deal found 10/2![Frontier logo]()
$313
This Cheapflightsfares deal was found by Cheapflights users on 10/1. 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 10/207:00 am -
1 stop13h 26m
Fri 10/308:11 pm -
1 stop24h 39m
Deal found 10/1![Frontier logo]()
$295
This Cheapflightsfares deal was found by Cheapflights users on 10/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:00 am -
1 stop13h 26m
Tue 10/278:20 pm -
1 stop14h 49m
Deal found 10/3![Frontier logo]()
$296
This Cheapflightsfares deal was found by Cheapflights users on 9/28. 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 10/257:00 am -
1 stop13h 26m
Mon 10/268:21 pm -
1 stop19h 26m
Deal found 9/28![Frontier logo]()
$323
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 10/305:15 pm -
Nonstop3h 53m
Mon 11/26:00 am -
Nonstop3h 18m
Deal found 9/30![American Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 10/1. 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 10/316:00 am -
1 stop8h 10m
Wed 11/46:45 am -
2 stops7h 20m
Deal found 10/1![Southwest logo]()
$294
This CheapOair deal was found by Cheapflights users on 10/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:00 pm -
1 stop26h 25m
Sun 11/158:20 pm -
1 stop24h 30m
Deal found 10/3![Frontier logo]()
$300
This CheapOair deal was found by Cheapflights users on 10/2. 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 11/121:00 pm -
1 stop7h 25m
Sun 11/158:20 pm -
1 stop14h 49m
Deal found 10/2![Frontier logo]()
$302
This CheapOair deal was found by Cheapflights users on 9/30. 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 11/177:00 am -
1 stop13h 25m
Fri 11/278:28 pm -
1 stop15h 31m
Deal found 9/30![Frontier logo]()
$307
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 3, 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 3, 2026.
This CheapOair deal was found by Cheapflights users on 10/2. 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.
Fri 11/207:00 am -
1 stop30h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Frontier logo]()
$149
This Southwest deal was found by Cheapflights users on 9/30. 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 10/293:35 pm -
2 stops9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Southwest logo]()
$150
This Super.com deal was found by Cheapflights users on 9/29. 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 10/171:00 pm -
1 stop7h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$158
This Priceline deal was found by Cheapflights users on 10/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:00 pm -
1 stop7h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$160
This Super.com deal was found by Cheapflights users on 9/30. 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 10/157:00 am -
1 stop13h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$161
This Super.com deal was found by Cheapflights users on 10/1. 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.
Tue 10/207:00 am -
1 stop13h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 11/247:00 am -
1 stop13h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$163
This Super.com deal was found by Cheapflights users on 10/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 pm -
1 stop26h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Frontier logo]()
$164
This Expedia deal was found by Cheapflights users on 9/29. 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.
Fri 10/166:00 pm -
1 stop26h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$166
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $293 (CheapOair) |
One-way from | $149 (CheapOair) |
Popular in | May |
Cheapest in | April |
Average price | $397 |
Good round-trip deal | $339 or less |
Good one-way deal | $295 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 3, 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
Thu 12/31
8:05 am-3:39 pm
1 stop8h 34m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$195
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Thu 11/26
8:15 am-3:38 pm
1 stop8h 23m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$195
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Wed 10/28
6:00 am-4:55 pm
2 stops11h 55m
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
Tue 3/30
2:45 pm-11:35 pm
2 stops9h 50m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$219
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Thu 4/1
6:00 am-10:35 am
1 stop5h 35m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$239
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Sun 3/21
12:30 pm-4:55 pm
1 stop5h 25m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$239
Quickest round-trip
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Mon 3/22
7:15 am-11:30 am
1 stop5h 15m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$239
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Fri 12/18
3:05 pm-11:50 pm
2 stops9h 45m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$249
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Fri 10/9
4:55 pm-11:55 pm
2 stops8h 00m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$280
Washington, D.C.San Antonio
DCA Washington, D.C. Reagan-National - SAT San Antonio
DCASAT
Washington, D.C. Reagan-National
Thu 4/1
7:00 am-1:22 pm
1 stop7h 22m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$303
Showing 1-10 of 20 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
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, 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 October 3, 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 31% 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 3, 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
7.9
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Overall
7.9
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Overall
7.9
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Overall
7.9
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Overall
7.9
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Overall
7.9
Comfort
8.0
Food
7.0
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
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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 October 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$280 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$380 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$264 | Average$414 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$267 | Average$401 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$463 | FlexibilityNo cancel fee | On-timeN/A |