$120 Cheap Flights from Washington (DCA) to San Antonio (SAT)
Popular airlines from Ronald Reagan Washington National Airport (DCA) to San Antonio International Airport (SAT)
Alaska AirlinesAlaska Airlines
American AirlinesAmerican Airlines
UnitedUnited
Southwest AirlinesSouthwest Airlines
DeltaDelta
Frontier AirlinesFrontier Airlines
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Cheap Flights from Washington to San Antonio (DCA-SAT)
Alternative airports near San Antonio
Prices were available within the past 7 days. Prices and availability are subject to change.
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Washington (DCA) to San Antonio (SAT) at a glance
Traveling from Ronald Reagan Washington National Airport (DCA) to San Antonio International Airport (SAT) offers a range of options on this domestic short-haul route. You can choose between full-service and low-cost carriers to find the best itinerary that aligns with your budget and schedule. With daily fares available, this is a great opportunity to explore San Antonio's iconic attractions and neighborhoods. Keep an eye out for the latest deals on flights to make the most of your journey.
- Fastest flight duration: around 3h 45m non-stop
- Route distance: roughly 1,400 miles (2,250 km)
- Flights per week: around 20+ flights with multiple daily departures on average
- Typical fares (one-way): economy tickets often range from $95–$400, depending on seasonality and how far ahead you book
Flights from Ronald Reagan Washington National Airport (DCA) to San Antonio International Airport (SAT)
According to the latest traveler bookings, here are the top airlines flying from Washington to San Antonio, favored for both one-stop and non-stop flights. Many travelers opt for layovers at Hartsfield-Jackson Atlanta International Airport (ATL, approximately 1 hour 15 minutes), George Bush Intercontinental Airport (IAH, around a 1-hour layover), and Dallas-Fort Worth International Airport (DFW, roughly 1 hour 15 minutes). This variety allows you to tailor your itinerary by balancing price, total travel time, and cabin class to suit your preferences.
- American Airlines: This full-service airline provides both non-stop and one-stop flights, with one-way ticket prices generally between $95 and $485. It represents about 34% of the departures on this route, featuring a typical non-stop travel duration of 3 hours and 45 minutes.
- Southwest Airlines: As a budget-friendly carrier, Southwest offers non-stop and one-stop options, with one-way fares usually ranging from $95 to $335. It accounts for about 25% of the departures along this route, with a standard one-stop travel time of 4 hours and 45 minutes, leading to a total trip duration of around 6 hours.
- Delta: This full-service airline provides one-stop service, with one-way fares generally falling between $120 and $370. Delta makes up approximately 24% of departures on this route, featuring an in-flight duration of 4 hours and 45 minutes, with an overall journey time of about 6 hours, including a layover.
- United: A full-service airline, United offers both non-stop and one-stop flights, with one-way fares typically ranging from $125 to $465. It covers around 13% of the departures for this route, with an expected flight time of 4 hours and 45 minutes and a total journey time near 6 hours.
- Frontier Airlines: This low-cost airline provides one-stop service, with one-way fares typically priced between $95 and $250. Frontier accounts for roughly 4% of departures on this route, with an in-flight duration of 4 hours and 45 minutes, leading to an overall travel time of about 6 hours when including a layover.
Travelers flying from Washington to San Antonio have the option to enhance their experience with upgrades. American Airlines features first class, while Delta provides both first class and premium economy service. United also offers first class seating for a more comfortable journey.
Best time to fly from Washington (DCA) to San Antonio (SAT)
The most popular months for travelers flying from Washington to San Antonio are January, March, and April, when peak temperatures in San Antonio reach up to 70°F in April. If you prefer quieter travel, consider August, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 86.5°F. For better deals, May usually offers the lowest average one-way fare around $179. Flight availability peaks in October, with approximately 30 flights per week, making it easier to find convenient departure times. January and February have the fewest flights, with approximately 18 flights per week.
- Cheapest time to fly: May usually offers good deals with average one-way fare around $179, roughly 14% cheaper than the yearly average.
- More budget-friendly months to fly: July and August typically offer average one-way fares of around $194.
- Most flight options: October has the highest number of flights from Washington to San Antonio, with approximately 30 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 53.2°F (11.8°C) | Moderately High | 18 | $206 |
| February | 56.1°F (13.4°C) | Average | 18 | $235 |
| March | 63.7°F (17.6°C) | Moderately High | 22 | $241 |
| April | 70.0°F (21.1°C) | Moderately High | 25 | $215 |
| May | 76.3°F (24.6°C) | Average | 27 | $179 |
| June | 82.8°F (28.2°C) | Average | 25 | $205 |
| July | 85.3°F (29.6°C) | Average | 26 | $192 |
| August | 86.5°F (30.3°C) | Moderately Low | 25 | $196 |
| September | 81.0°F (27.2°C) | Moderately Low | 24 | $200 |
| October | 72.5°F (22.5°C) | Average | 30 | $205 |
| November | 61.7°F (16.5°C) | Moderately Low | 22 | $217 |
| December | 55.6°F (13.1°C) | Average | 27 | $230 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative routes from Washington (DCA) to San Antonio (SAT)
- Washington to Austin (DCA-AUS): Austin-Bergstrom International Airport (AUS) is located approximately 67 miles from San Antonio International Airport (SAT). One-way economy fares on this route generally range from $100 to $510, influenced by the season and time of booking. Travelers can choose between non-stop and one-stop flights, with common layovers at Dallas-Fort Worth International Airport (DFW) and Denver International Airport (DEN). Major airlines serving this route include Southwest Airlines and American Airlines, with first-class service also available.
- Washington to San Antonio (IAD-SAT): Washington Dulles International Airport (IAD) is roughly 23 miles from Ronald Reagan Washington National Airport (DCA). Economy fares for one-way trips on this route typically fall between $110 to $425, varying according to the season and booking timing. Flights are offered as both non-stop and one-stop options. Leading airlines on this route include United and Delta, with first-class seating options also provided.
- Washington to Austin (IAD-AUS): Washington Dulles International Airport (IAD) is situated about 23 miles from Ronald Reagan Washington National Airport (DCA), while Austin-Bergstrom International Airport (AUS) lies around 67 miles from San Antonio International Airport (SAT). One-way economy fares on this route range from $100 to $545, depending on the season and when you book. This route features both non-stop and one-stop flights, with United and American Airlines being popular carriers. First-class service is also available.
How to find the best prices for flights from Washington (DCA) to San Antonio (SAT)
Getting some of the best deals on flights from Washington to San Antonio is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Evening departures from 6 PM to 12 AM often offer lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Wednesday typically provides cheaper options, though Friday remains the busiest travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at San Antonio International Airport from Ronald Reagan Washington National Airport
San Antonio welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Ronald Reagan Washington National Airport is roughly a 10-minute drive (covering about 5 miles) from central Washington. Here's how to reach San Antonio efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in San Antonio, with private rides that can be arranged in advance.
- Car rental: Renting a car from San Antonio International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at San Antonio International Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From San Antonio International Airport, San Antonio Seaport, a seaport, is about 0.4 miles away, while San Antonio Station, a train station, is approximately 7.5 miles from the airport.
Washington to San Antonio Flights
The cheapest times to fly from Washington to San Antonio
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to San Antonio are during the month of November. You can find some of the cheapest flights from Washington to San Antonio with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Washington to San Antonio
Sunday is one of the best days to book for cheap flights from Washington to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Washington to San Antonio
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to San Antonio in 2026. You can also book with separate airlines for your outbound and return journeys, from $120 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) cost?
You can find cheap one-way flights from $120 and cheap return flights $246 Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) with Expedia. One-way flights typically cost between $191 and $878, and return flights often range between $341 and $1150. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
January is the cheapest month to fly from Washington, DC (DCA) to San Antonio, TX (SAT), with average round-trip fares around $329. This is about 14% lower than the average price throughout the year, as January typically sees a drop in travel demand after the holiday season. Other cheap months to fly from DCA to SAT include August and September.
*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
You can fly direct from DCA to SAT on American Airlines, with around 7 flights per week.
What is the cheapest airline that flies from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
American Airlines is one of the cheapest airlines offering nonstop flights from Ronald Reagan Washington National (DCA) to San Antonio Intl. (SAT), with round-trip tickets starting from around $511. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
The best airline to fly with from Washington, DC (DCA) to San Antonio, TX (SAT) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. American Airlines also offers the most daily flights from DCA to SAT, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
The ideal time to fly from Washington, DC (DCA) to San Antonio (SAT) is in January or September, with average return flight prices around $329. These months are great for balancing cost and availability, ensuring you have plenty of options for your trip.
*Prices based on flights available on Expedia in the last year.
How many flights per day from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
On average, there are around 1 nonstop flights per day from Ronald Reagan Washington National (DCA) to San Antonio Intl. (SAT). For more options, look at flights that include layovers.
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
The earliest flight from Washington, DC (DCA) to San Antonio, TX (SAT) generally departs at around 5:00 AM, operated by American Airlines. This seasonal service runs in April, May, and June, allowing you to maximize your time in Texas. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
The most popular departure times for flights from Washington, DC (DCA) to San Antonio (SAT) are from 6am to 9am. About 32% of passengers prefer this time window. Many major carriers, including Delta Airlines, American Airlines, and Southwest Airlines, offer flights during this window. This timing works well because it allows you to maximize your day in San Antonio after arriving.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
A nonstop flight from DCA to SAT typically takes around 4 hours, covering approximately 1,379 miles. Connecting flights on this route usually add 2 hours 20 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
First class is available on flights from DCA to SAT. First class cabins are available on:
- United Airlines
- Delta Air Lines
- American Airlines
How much is a business class flight from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
A direct, return business class ticket from Washington, DC (DCA) to San Antonio, TX (SAT) typically costs between $1,316 - $1,837. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) if you opt for a connecting flight.
*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Antonio from Ronald Reagan Washington National (DCA)?
From Ronald Reagan Washington National (DCA), you can fly into San Antonio Intl. (SAT) to reach San Antonio. Some flights may connect through major hubs like Portland Intl. (PDX), O'Hare Intl. (ORD), San Francisco Intl. (SFO) before reaching San Antonio. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) San Antonio Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to San Antonio, TX (SAT-San Antonio Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Ronald Reagan Washington National Airport |
|---|---|
Destination airport | San Antonio International Airport |
Distance | 1,378 miles away |
Airlines serving | Alaska Airlines, American Airlines, United, Southwest Airlines, Delta, Frontier Airlines |
Popular airline | Alaska Airlines |
Roundtrip price | $246 |
Average flight time | 5 hours 11 mins |