$95+ Cheap flights from Reagan-National (DCA) to San Antonio (SAT)
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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
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 August or February, booked 62 days in advance, depart on a Wednesday or Saturday and return on a Wednesday
Cheap 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 June 30, 2025.
Round-trip from | $225 (Southwest) |
|---|---|
One-way from | $95 (American Airlines) |
Popular in | December |
Cheapest in | August |
Average price | $348 |
Good round-trip deal | $253 or less |
Good one-way deal | $243 or less |
Find flight deals from Reagan-National to San Antonio
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 June 30, 2025.
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 June 30, 2025.
This Southwest deal was found by Cheapflights users on 6/28. 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.
This American Airlines deal was found by Cheapflights users on 6/30. 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.
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 2,558,603 searches. Data last updated June 30, 2025.
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
Price
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Wed 8/27
12:50 pm-7:40 pm
1 stop7h 50m
San Antonio
Sun 8/31
10:10 am-4:10 pm
1 stop5h 00m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Wed 9/3
7:59 pm-10:36 pm
Nonstop3h 37m
San Antonio
Tue 9/9
6:35 am-10:55 am
Nonstop3h 20m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Sat 9/13
7:00 am-2:27 pm
1 stop8h 27m
San Antonio
Sun 9/14
8:20 pm-12:10 pm
1 stop14h 50m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Sat 9/13
10:09 am-4:15 pm
1 stop7h 06m
San Antonio
Mon 9/15
4:31 pm-10:57 pm
1 stop5h 26m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Thu 7/24
6:25 am-11:45 am
1 stop6h 20m
San Antonio
Sun 7/27
7:05 am-2:22 pm
1 stop6h 17m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Sun 8/31
7:45 pm-10:16 pm
Nonstop3h 31m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Sat 8/23
7:00 am-2:35 pm
1 stop8h 35m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Sat 8/2
7:00 am-1:54 pm
1 stop7h 54m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Tue 7/22
6:10 am-1:25 pm
2 stops8h 15m
Washington, D.C.San Antonio
DCA - SAT
DCASAT
Washington, D.C. Reagan-National
Sun 8/31
7:00 am-10:48 pm
3 stops16h 48m
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.
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?
Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to San Antonio. Price data was last updated on June 27, 2025.
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 62 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, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Antonio (average of $295). Flying from Washington, D.C. Reagan-National Airport to San Antonio in March is currently the most expensive (average of $376). 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 June 30, 2025.
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 afternoon. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to San Antonio?
Use this chart to determine the cheapest time to fly round-trip from Reagan-National to San Antonio. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to San Antonio flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Washington, D.C. Reagan-National Airport to San Antonio
Explore weekly flight availability from Reagan-National to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 30, 2025.
The most flights from DCA to SAT are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
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 June 30, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Washington, D.C. Reagan-National Airport to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
John,May 2025
PVD - BNA
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
John,May 2025
PVD - BNA
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
John,May 2025
PVD - BNA
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
John,May 2025
PVD - BNA
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
John,May 2025
PVD - BNA
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
John,May 2025
PVD - BNA
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 Washington, D.C. Reagan-National Airport?
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Alternative routes for Reagan-National to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
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 2,558,603 searches. Data last updated June 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$209 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$232 | Average$371 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$416 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$258 | Average$466 | FlexibilityNo cancel fee | On-time63% |