$149+ Cheap flights from San Antonio (SAT) to Reagan-National (DCA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DCA
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Reagan-National 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 San Antonio to Washington, D.C. Reagan-National are usually found in August or February, booked 69 days in advance, depart on a Thursday or Wednesday and return on a Friday
Cheap flight deals from San Antonio to Reagan-National
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Antonio to Reagan-NationalExplore the most affordable flight options available from San Antonio to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
Explore the most affordable flight options available from San Antonio to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 10, 2026.
This American Airlines deal was found by Cheapflights users on 8/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:24 am -
Nonstop3h 29m
Sat 9/125:00 pm -
Nonstop3h 39m
Deal found 8/6![American Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/116:08 am -
Nonstop3h 28m
Sat 9/195:00 pm -
Nonstop3h 39m
Deal found 8/10![American Airlines logo]()
$295
This Super.com deal was found by Cheapflights users on 8/9. 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 10/18:20 pm -
1 stop14h 51m
Sat 10/31:06 pm -
1 stop7h 19m
Deal found 8/9![Frontier logo]()
$298
This Expedia deal was found by Cheapflights users on 8/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:26 pm -
1 stop24h 33m
Thu 9/107:00 am -
1 stop13h 25m
Deal found 8/5![Frontier logo]()
$300
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Sun 9/66:11 am -
Nonstop3h 29m
Sun 9/135:00 am -
1 stop5h 08m
Deal found 8/8![American Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 8/10. 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 9/1712:05 pm -
2 stops7h 45m
Wed 9/239:35 am -
2 stops9h 20m
Deal found 8/10![Southwest logo]()
$306
This Southwest deal was found by Cheapflights users on 8/9. 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 8/296:10 am -
1 stop4h 55m
Thu 9/36:00 am -
1 stop8h 40m
Deal found 8/9![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Sat 9/54:12 pm -
1 stop5h 01m
Tue 9/88:20 am -
1 stop8h 23m
Deal found 8/9![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 8/10. 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 8/275:00 am -
1 stop5h 50m
Thu 9/36:00 am -
1 stop8h 40m
Deal found 8/10![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 8/10. 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 9/312:05 pm -
2 stops7h 45m
Thu 9/106:50 am -
1 stop5h 20m
Deal found 8/10![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 8/8. 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 9/67:35 am -
1 stop7h 20m
Sat 9/129:25 am -
1 stop7h 35m
Deal found 8/8![Southwest logo]()
$314
Best flights from San Antonio to Reagan-NationalDiscover carefully curated flight deals from San Antonio to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
Discover carefully curated flight deals from San Antonio to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 10, 2026.
This Southwest deal was found by Cheapflights users on 8/6. 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.
Sat 9/52:30 pm -
1 stop5h 20m
Sat 9/123:55 pm -
1 stop5h 30m
Deal found 8/6![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:25 am -
1 stop7h 28m
Sun 5/306:25 pm -
1 stop7h 03m
Deal found 8/5![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:30 am -
1 stop5h 23m
Tue 9/2911:57 am -
2 stops9h 45m
Deal found 8/5![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 8/6. 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.
Mon 10/265:25 am -
1 stop4h 45m
Wed 10/284:35 pm -
1 stop4h 55m
Deal found 8/6![Southwest logo]()
$330
This Southwest deal was found by Cheapflights users on 8/9. 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 9/285:40 pm -
1 stop4h 40m
Wed 9/306:05 am -
2 stops9h 45m
Deal found 8/9![Southwest logo]()
$340
This Southwest deal was found by Cheapflights users on 8/8. 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 10/2011:25 am -
2 stops6h 30m
Thu 10/223:40 pm -
1 stop5h 25m
Deal found 8/8![Southwest logo]()
$340
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Sat 10/311:25 pm -
1 stop6h 46m
Wed 11/46:00 am -
2 stops11h 55m
Deal found 8/8![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 8/7. 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 9/224:20 pm -
2 stops6h 35m
Tue 9/296:05 am -
2 stops9h 45m
Deal found 8/7![Southwest logo]()
$349
This Southwest deal was found by Cheapflights users on 8/6. 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.
Fri 9/412:05 pm -
2 stops7h 45m
Tue 9/86:50 pm -
1 stop5h 10m
Deal found 8/6![Southwest logo]()
$370
This Southwest deal was found by Cheapflights users on 8/6. 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.
Fri 10/306:35 am -
2 stops8h 50m
Sun 11/17:00 am -
1 stop8h 55m
Deal found 8/6![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 8/9. 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 8/245:40 pm -
1 stop4h 40m
Tue 8/257:25 am -
2 stops8h 10m
Deal found 8/9![Southwest logo]()
$400
Last-minute flights from San Antonio to Reagan-NationalDiscover last-minute flight deals from San Antonio to Reagan-National. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Reagan-National. Data last updated August 10, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/6. 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.
Tue 8/188:26 pm -
1 stop24h 33m
Sun 8/237:00 am -
1 stop13h 31m
Deal found 8/6![Frontier logo]()
$316
This Southwest deal was found by Cheapflights users on 8/10. 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 8/275:00 am -
1 stop5h 50m
Thu 9/36:00 am -
1 stop8h 40m
Deal found 8/10![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 8/9. 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 8/296:10 am -
1 stop4h 55m
Thu 9/36:00 am -
1 stop8h 40m
Deal found 8/9![Southwest logo]()
$307
This Expedia deal was found by Cheapflights users on 8/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:26 pm -
1 stop24h 33m
Thu 9/107:00 am -
1 stop13h 25m
Deal found 8/5![Frontier logo]()
$300
This Southwest deal was found by Cheapflights users on 8/10. 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 9/312:05 pm -
2 stops7h 45m
Thu 9/106:50 am -
1 stop5h 20m
Deal found 8/10![Southwest logo]()
$312
This American Airlines deal was found by Cheapflights users on 8/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:24 am -
Nonstop3h 29m
Sat 9/125:00 pm -
Nonstop3h 39m
Deal found 8/6![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Sat 9/54:12 pm -
1 stop5h 01m
Tue 9/88:20 am -
1 stop8h 23m
Deal found 8/9![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Sun 9/66:11 am -
Nonstop3h 29m
Sun 9/135:00 am -
1 stop5h 08m
Deal found 8/8![American Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 8/8. 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 9/67:35 am -
1 stop7h 20m
Sat 9/129:25 am -
1 stop7h 35m
Deal found 8/8![Southwest logo]()
$314
This American Airlines deal was found by Cheapflights users on 8/10. 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 9/116:08 am -
Nonstop3h 28m
Sat 9/195:00 pm -
Nonstop3h 39m
Deal found 8/10![American Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 8/10. 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 9/1712:05 pm -
2 stops7h 45m
Wed 9/239:35 am -
2 stops9h 20m
Deal found 8/10![Southwest logo]()
$306
One-way flights from San Antonio to Reagan-NationalSearch for one-way flight options from San Antonio to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from San Antonio to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Super.com deal was found by Cheapflights users on 8/6. 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.
Sat 8/228:26 pm -
1 stop15h 25m
Deal found 8/6![Frontier logo]()
$149
This Southwest deal was found by Cheapflights users on 8/7. 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 9/612:15 pm -
2 stops8h 00m
Deal found 8/7![Southwest logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:26 pm -
1 stop15h 25m
Deal found 8/6![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:08 am -
1 stop9h 50m
Deal found 8/6![Frontier logo]()
$163
This Southwest deal was found by Cheapflights users on 8/5. 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.
Tue 11/38:20 am -
1 stop4h 40m
Deal found 8/5![Southwest logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/83:10 pm -
1 stop29h 48m
Deal found 8/7![Frontier logo]()
$169
This Southwest deal was found by Cheapflights users on 8/5. 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.
Fri 10/94:45 pm -
1 stop5h 10m
Deal found 8/5![Southwest logo]()
$170
This Southwest deal was found by Cheapflights users on 8/5. 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.
Wed 9/94:20 pm -
2 stops6h 35m
Deal found 8/5![Southwest logo]()
$175
This Super.com deal was found by Cheapflights users on 8/6. 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 8/137:49 pm -
1 stop25h 10m
Deal found 8/6![Frontier logo]()
$177
This Super.com deal was found by Cheapflights users on 8/10. 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 8/198:26 pm -
1 stop15h 25m
Deal found 8/10![Frontier logo]()
$178
Find flight deals from San Antonio to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Reagan-National (DCA). 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 August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $294 (American Airlines) |
One-way from | $149 (Super.com) |
Popular in | March |
Cheapest in | August |
Average price | $319 |
Good round-trip deal | $319 or less |
Good one-way deal | $224 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Reagan-National 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 2,558,603 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from San Antonio to Washington, D.C. Reagan-National Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Sat 9/5
2:30 pm-8:50 pm
1 stop5h 20m
Washington, D.C. Reagan-National
Sat 9/12
3:55 pm-8:25 pm
1 stop5h 30m
$314
Quickest round-trip
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Mon 10/26
5:25 am-11:10 am
1 stop4h 45m
Washington, D.C. Reagan-National
Wed 10/28
4:35 pm-8:30 pm
1 stop4h 55m
$330
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Mon 9/28
5:40 pm-11:20 pm
1 stop4h 40m
Washington, D.C. Reagan-National
Wed 9/30
6:05 am-2:50 pm
2 stops9h 45m
$340
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Tue 10/20
11:25 am-6:55 pm
2 stops6h 30m
Washington, D.C. Reagan-National
Thu 10/22
3:40 pm-8:05 pm
1 stop5h 25m
$340
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Tue 9/22
4:20 pm-11:55 pm
2 stops6h 35m
Washington, D.C. Reagan-National
Tue 9/29
6:05 am-2:50 pm
2 stops9h 45m
$349
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Fri 9/4
12:05 pm-8:50 pm
2 stops7h 45m
Washington, D.C. Reagan-National
Tue 9/8
6:50 pm-11:00 pm
1 stop5h 10m
$370
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Fri 10/30
6:35 am-4:25 pm
2 stops8h 50m
Washington, D.C. Reagan-National
Sun 11/1
7:00 am-2:55 pm
1 stop8h 55m
$374
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Mon 8/24
5:40 pm-11:20 pm
1 stop4h 40m
Washington, D.C. Reagan-National
Tue 8/25
7:25 am-2:35 pm
2 stops8h 10m
$400
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Thu 8/13
6:25 am-2:53 pm
1 stop7h 28m
Washington, D.C. Reagan-National
Sun 5/30
6:25 pm-12:28 am
1 stop7h 03m
$424
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Sat 9/26
5:30 am-11:53 am
1 stop5h 23m
Washington, D.C. Reagan-National
Tue 9/29
11:57 am-8:42 pm
2 stops9h 45m
$434
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Reagan-National
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 San Antonio to Reagan-National in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Antonio-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Washington, D.C. Reagan-National Airport 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 San Antonio-Washington, D.C. Reagan-National Airport 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 San Antonio to Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from San Antonio with our price prediction graph.
SAT-DCA
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 San Antonio to Washington, D.C. Reagan-National Airport
Prices
More
How far ahead should I book a flight from San Antonio to Washington, D.C. Reagan-National Airport?
The best time to book flights from San Antonio to Washington, D.C. Reagan-National Airport is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Antonio to Washington, D.C. Reagan-National Airport?
Currently, August is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. Reagan-National Airport (average of $319). Flying from San Antonio to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $485). 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 SAT to DCA?
Find hourly flight availability from San Antonio to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Antonio to Washington, D.C. Reagan-National Airport as you normally would.
What’s the top layover airport for flights from San Antonio to Washington, D.C. Reagan-National Airport?
Share of 1-stop round-trip flights from San Antonio to Washington, D.C. Reagan-National Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (MDW) – chosen by Cheapflights users on 67% of 1-stop itineraries from San Antonio to Washington, D.C. Reagan-National Airport on Cheapflights.
What’s the cheapest layover airport for flights from San Antonio to Washington, D.C. Reagan-National Airport?
Average round-trip fare for 1-stop flights from San Antonio to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $184.
What’s the fastest layover option from San Antonio to Washington, D.C. Reagan-National Airport?
Shortest average travel time for 1-stop one-way flights from San Antonio to Washington, D.C. Reagan-National Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 6h 35m.
Which airport typically offers the quickest layover for flights from San Antonio to Washington, D.C. Reagan-National Airport?
Average layover duration for 1-stop one-way flights from San Antonio to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (MDW) offer the fastest connection on this route, with an average layover time of 1h 43m.
Reviews of airlines servicing Reagan-National
Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated August 10, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from San Antonio to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Reagan-National. 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 Washington, D.C. Reagan-National Airport?
Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locationsAlexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Woodbridge
Silver Spring
Largo
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San Antonio and Reagan-National flights
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Top 5 airlines flying from San Antonio to Reagan-National
Discover the top 5 airlines that operate flights from San Antonio to Reagan-National. 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 2,558,603 searches. Data last updated August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$291 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$226 | Average$345 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$247 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$348 | FlexibilityNo cancel fee | On-time69% |