$120+ Cheap flights from San Antonio (SAT) to Reagan-National (DCA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — DCA
Oct 8 — Oct 151
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 February or November, 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 September 8, 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 September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:14 am -
Nonstop3h 21m
Sat 10/175:00 pm -
Nonstop3h 53m
Deal found 9/3![American Airlines logo]()
$317
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:20 pm -
1 stop14h 51m
Sat 9/261:06 pm -
1 stop7h 19m
Deal found 9/6![Frontier logo]()
$318
This CheapOair deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:20 pm -
1 stop14h 51m
Wed 9/237:00 am -
1 stop13h 25m
Deal found 9/6![Frontier logo]()
$319
This Expedia deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:20 pm -
1 stop19h 39m
Sat 9/191:06 pm -
1 stop7h 19m
Deal found 9/4![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:20 pm -
1 stop14h 51m
Tue 9/226:00 pm -
1 stop26h 25m
Deal found 9/5![Frontier logo]()
$321
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:21 pm -
1 stop24h 38m
Mon 10/197:00 am -
1 stop13h 26m
Deal found 9/4![Frontier logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:58 pm -
1 stop5h 01m
Sun 10/46:00 am -
1 stop5h 43m
Deal found 9/3![United Airlines logo]()
$324
This Trip.com deal was found by Cheapflights users on 9/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:20 pm -
1 stop24h 39m
Thu 9/241:06 pm -
1 stop7h 19m
Deal found 9/7![Frontier logo]()
$325
This Super.com deal was found by Cheapflights users on 9/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:20 pm -
1 stop19h 39m
Mon 9/286:00 pm -
1 stop26h 25m
Deal found 9/7![Frontier logo]()
$326
This Super.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:21 pm -
1 stop14h 43m
Thu 10/157:00 am -
1 stop13h 26m
Deal found 9/5![Frontier logo]()
$327
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:17 am -
Nonstop3h 13m
Sat 1/95:30 pm -
Nonstop4h 09m
Deal found 9/3![American Airlines logo]()
$328
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 September 8, 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 September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:58 pm -
1 stop5h 01m
Sun 10/46:00 am -
1 stop5h 43m
Deal found 9/3![United Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 9/7. 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.
Fri 11/134:55 pm -
1 stop4h 55m
Sun 11/156:05 am -
1 stop5h 45m
Deal found 9/7![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:30 am -
1 stop4h 59m
Sun 12/66:05 am -
1 stop6h 53m
Deal found 9/7![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/7. 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 10/63:35 pm -
1 stop6h 20m
Mon 10/126:50 pm -
1 stop6h 05m
Deal found 9/7![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:00 am -
1 stop5h 27m
Tue 12/17:40 pm -
1 stop5h 56m
Deal found 9/7![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:40 pm -
1 stop5h 25m
Sat 10/176:55 am -
2 stops7h 45m
Deal found 9/3![Southwest logo]()
$354
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:30 am -
1 stop4h 59m
Fri 12/46:10 am -
1 stop5h 45m
Deal found 9/7![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:40 pm -
1 stop4h 40m
Wed 9/306:05 am -
2 stops9h 45m
Deal found 9/4![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:25 am -
2 stops8h 30m
Tue 10/209:10 am -
2 stops9h 15m
Deal found 9/4![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:35 am -
2 stops8h 50m
Mon 10/53:35 pm -
2 stops9h 05m
Deal found 9/3![Southwest logo]()
$388
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/66:40 am -
1 stop4h 35m
Sun 1/1012:55 pm -
2 stops8h 15m
Deal found 9/5![Southwest logo]()
$390
Last-minute flights from San Antonio to Reagan-NationalDiscover last-minute flight deals from San Antonio to Reagan-National. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Reagan-National. Data last updated September 8, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:20 pm -
1 stop19h 39m
Sat 9/191:06 pm -
1 stop7h 19m
Deal found 9/4![Frontier logo]()
$320
This CheapOair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:20 pm -
1 stop14h 51m
Tue 9/226:00 pm -
1 stop26h 25m
Deal found 9/5![Frontier logo]()
$321
This Super.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:20 pm -
1 stop14h 51m
Fri 10/21:06 pm -
1 stop7h 19m
Deal found 9/3![Frontier logo]()
$329
This CheapOair deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:20 pm -
1 stop14h 51m
Wed 9/237:00 am -
1 stop13h 25m
Deal found 9/6![Frontier logo]()
$319
This Trip.com deal was found by Cheapflights users on 9/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:20 pm -
1 stop24h 39m
Thu 9/241:06 pm -
1 stop7h 19m
Deal found 9/7![Frontier logo]()
$325
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:20 pm -
1 stop14h 51m
Sat 9/261:06 pm -
1 stop7h 19m
Deal found 9/6![Frontier logo]()
$318
This Super.com deal was found by Cheapflights users on 9/7. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:20 pm -
1 stop19h 39m
Mon 9/286:00 pm -
1 stop26h 25m
Deal found 9/7![Frontier logo]()
$326
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:58 pm -
1 stop5h 01m
Sun 10/46:00 am -
1 stop5h 43m
Deal found 9/3![United Airlines logo]()
$324
This Super.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:21 pm -
1 stop14h 43m
Thu 10/157:00 am -
1 stop13h 26m
Deal found 9/5![Frontier logo]()
$327
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:14 am -
Nonstop3h 21m
Sat 10/175:00 pm -
Nonstop3h 53m
Deal found 9/3![American Airlines logo]()
$317
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:21 pm -
1 stop24h 38m
Mon 10/197:00 am -
1 stop13h 26m
Deal found 9/4![Frontier logo]()
$322
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 September 8, 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 September 8, 2026.
This Super.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:20 pm -
1 stop19h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/712:00 pm -
1 stop8h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$130
This Super.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:21 pm -
1 stop24h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$134
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:14 am -
Nonstop3h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$135
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:20 pm -
1 stop24h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$136
This CheapOair deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:20 pm -
1 stop14h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Frontier logo]()
$137
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:20 pm -
1 stop24h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$138
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:20 am -
1 stop4h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$140
This CheapOair deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:20 pm -
1 stop24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$141
This Frontier deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:00 pm -
1 stop8h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$144
This Southwest deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:45 pm -
1 stop5h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Southwest logo]()
$145
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:55 pm -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$150
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 September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $317 (American Airlines) |
One-way from | $120 (Super.com) |
Popular in | March |
Cheapest in | February |
Average price | $358 |
Good round-trip deal | $379 or less |
Good one-way deal | $285 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 7,457,451 searches. Data last updated September 8, 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
Quickest round-trip
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Wed 12/2
8:20 am-2:00 pm
1 stop4h 40m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Mon 10/19
4:40 pm-11:05 pm
1 stop5h 25m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$145
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Sat 11/7
5:55 am-3:55 pm
2 stops9h 00m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$150
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Thu 10/22
4:45 pm-10:55 pm
1 stop5h 10m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$180
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Tue 10/27
12:55 pm-10:30 pm
2 stops8h 35m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Sat 12/5
5:55 am-3:55 pm
2 stops9h 00m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Thu 12/3
5:50 am-3:05 pm
2 stops8h 15m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Fri 12/4
6:45 am-3:05 pm
2 stops7h 20m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Thu 11/5
6:34 am-2:12 pm
1 stop6h 38m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$190
San AntonioWashington, D.C.
SAT San Antonio - DCA Washington, D.C. Reagan-National
SATDCA
San Antonio
Sat 12/5
5:25 am-4:52 pm
2 stops10h 27m
Washington, D.C. Reagan-National
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$195
Showing 1-10 of 22 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| 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
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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, February is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. Reagan-National Airport (average of $329). 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 September 8, 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 September 8, 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.
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Overall
8.0
Boarding
8.1
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
Arlington
Owings Mills
Tysons
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Woodbridge
Falls Church
Hanover
Laurel
Oxon Hill
Clinton
Hunt Valley
Silver Spring
Largo
Springfield
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San Antonio and Reagan-National flights
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Other flights to Reagan-National
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$291 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$247 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$410 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$357 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$268 | Average$348 | FlexibilityNo cancel fee | On-time69% |