How popular is this Washington, D.C. to San Antonio flight route?

The Washington, D.C. to San Antonio flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Washington, D.C. to San Antonio round-trip?

According to our current data, Frontier ($117), Spirit Airlines ($159), and Delta ($269) offers the cheapest pricing from Washington, D.C. to San Antonio. You may be able to fly from Washington, D.C. to San Antonio for 69% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington, D.C. to San Antonio one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $61. Spirit Airlines flights start at $77 while deals on United Airlines start at $140 one-way.

How far ahead should I book a flight from Washington, D.C. to San Antonio?

The price you pay for your flight from Washington, D.C. to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to San Antonio (average of $295). Flying from Washington, D.C. 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 day to fly from Washington, D.C. to San Antonio?

Travelers seeking maximum savings on their Washington, D.C. to San Antonio flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular routes from Washington, D.C. to San Antonio?

The most popular flight routes from Washington, D.C. to San Antonio are Washington, D.C. Dulles Intl - San Antonio, Baltimore/Washington - San Antonio and Washington, D.C. Reagan-National - San Antonio.

What are the cheapest flights from Washington, D.C. to San Antonio?

Looking at all options, your cheapest flight can be booked for $146. While the most popular route (Washington, D.C. Dulles Intl - San Antonio) can be booked for $179 on average our data indicates $393 when flying from Washington, D.C. to San Antonio.

What are the most popular airlines that fly from Washington, D.C. to San Antonio?

Before booking your flight from Washington, D.C. to San Antonio check out the most popular airlines for this route: American Airlines, Delta or Frontier.

What is the cheapest day to fly round-trip from Washington, D.C. to San Antonio?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 26%.

How far in advance should I book a flight from Washington, D.C. to San Antonio?

Travelers have found it’s best to book a flight 45 days in advance to save up to 64% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 45 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. to San Antonio 1-2 weeks in advance for as low as $381, or $518 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. to San Antonio?

Flights from Washington, D.C. to San Antonio lean towards being more expensive in December. Prices are generally better when you fly from Washington, D.C. to San Antonio in August, with the cheapest ticket starting at $232.

What is the cheapest time of day to fly from WAS to SAT?

It’s typically best to fly out from Washington, D.C. to San Antonio in the evening. Doing so could potentially save you 5% on the flight price compared to flying in the afternoon, which is usually more expensive.

Most accurate provider : When it comes to deals on Washington, D.C.-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-San Antonio flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to San Antonio from Washington, D.C.?

If you book a flight to San Antonio from Washington, D.C., you will be flying to San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 5 flights from Washington, D.C. to San Antonio per day from 6 different airlines.

Can I find deals for flights from Washington, D.C. to San Antonio that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to San Antonio?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to San Antonio.

Can I find deals for business class flights from Washington, D.C. to San Antonio?

Yes. Cheapflights offers flight deals from Washington, D.C. to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$61+ Flights from Washington, D.C. to San Antonio

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Washington, D.C. 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.

The best prices from Washington, D.C. to San Antonio are usually found in August or February, booked 89 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Washington, D.C. to San Antonio

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$117 (Mytrip)
One-way from	$61 (Frontier)
Popular in	December
Cheapest in	August
Average price	$368

Provider with most accurate pricing for Washington, D.C. (WAS)-San Antonio flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Antonio flights.

Search Deals

From Washington, D.C. (WAS) to San Antonio

Search Deals

One-way flight from Washington, D.C. (WAS) to San Antonio

Search Deals

High demand for flights, 8% potential price rise

Search Deals

Best time to find cheap flights, 2% potential price drop

Search Deals

Average for round-trip flights in January 2025

Search Deals

Find flight deals from Washington, D.C. to San Antonio

Cheapest flights from Washington, D.C. to San Antonio
Explore the most affordable flight options available from Washington, D.C. to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

Thu 1/309:20 pmBWI - SAT

1 stop21h 55mFrontier

Mon 2/37:15 pmSAT - BWI

1 stop12h 55mFrontier

Deal found 1/15

$117

Fri 1/3110:45 amBWI - SAT

1 stop11h 14mMultiple Airlines

Sat 2/158:04 pmSAT - BWI

1 stop10h 17mMultiple Airlines

Deal found 1/16

$155

Sun 1/2610:45 amBWI - SAT

1 stop11h 14mSpirit Airlines

Fri 1/317:00 amSAT - BWI

1 stop8h 33mSpirit Airlines

Deal found 1/16

$156

Fri 2/76:20 pmDCA - SAT

1 stop7h 07mDelta

Sun 2/95:15 amSAT - DCA

1 stop5h 45mDelta

Deal found 1/16

$269

Sun 2/25:24 pmIAD - SAT

Nonstop3h 57mUnited Airlines

Fri 2/2812:11 pmSAT - IAD

Nonstop3h 11mUnited Airlines

Deal found 1/15

$269

Mon 2/35:16 pmIAD - SAT

1 stop6h 43mDelta

Wed 2/54:50 pmSAT - IAD

1 stop5h 23mDelta

Deal found 1/16

$273

Sat 2/226:03 pmIAD - SAT

1 stop25h 47mFrontier

Tue 2/252:18 pmSAT - IAD

2 stops23h 21mFrontier

Deal found 1/14

$274

Wed 1/295:00 amDCA - SAT

1 stop6h 07mAmerican Airlines

Fri 4/186:35 amSAT - DCA

Nonstop3h 15mAmerican Airlines

Deal found 1/16

$279

Wed 3/266:10 amDCA - SAT

1 stop5h 25mSouthwest

Mon 3/316:30 amSAT - DCA

1 stop4h 55mSouthwest

Deal found 1/16

$289

Tue 2/256:00 pmDCA - SAT

2 stops23h 58mFrontier

Thu 2/275:58 pmSAT - DCA

2 stops17h 05mFrontier

Deal found 1/16

$292

Tue 2/185:13 pmIAD - SAT

1 stop6h 54mAmerican Airlines

Tue 2/259:08 amSAT - IAD

1 stop6h 04mAmerican Airlines

Deal found 1/16

$309

Thu 4/246:00 amDCA - SAT

1 stop6h 18mUnited Airlines

Mon 4/286:06 pmSAT - DCA

1 stop4h 53mUnited Airlines

Deal found 1/16

$339

Best flights from Washington, D.C. to San Antonio
Discover carefully curated flight deals from Washington, D.C. to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 17, 2025.

Thu 1/309:20 pmBWI - SAT

1 stop21h 55mFrontier

Mon 2/37:15 pmSAT - BWI

1 stop12h 55mFrontier

Deal found 1/15

$117

Fri 1/3110:45 amBWI - SAT

1 stop11h 14mMultiple Airlines

Mon 2/37:15 pmSAT - BWI

1 stop12h 55mMultiple Airlines

Deal found 1/15

$137

Fri 1/3110:45 amBWI - SAT

1 stop11h 14mSpirit Airlines

Thu 2/67:00 amSAT - BWI

1 stop8h 33mSpirit Airlines

Deal found 1/14

$159

Fri 2/76:20 pmDCA - SAT

1 stop7h 07mDelta

Sun 2/95:15 amSAT - DCA

1 stop5h 45mDelta

Deal found 1/16

$269

Sun 2/25:24 pmIAD - SAT

Nonstop3h 57mUnited Airlines

Fri 2/2812:11 pmSAT - IAD

Nonstop3h 11mUnited Airlines

Deal found 1/15

$269

Wed 1/295:00 amDCA - SAT

1 stop6h 07mAmerican Airlines

Fri 4/186:35 amSAT - DCA

Nonstop3h 15mAmerican Airlines

Deal found 1/16

$279

Wed 3/266:10 amDCA - SAT

1 stop5h 25mSouthwest

Mon 3/316:30 amSAT - DCA

1 stop4h 55mSouthwest

Deal found 1/16

$289

Sat 2/226:03 pmIAD - SAT

1 stop25h 47mFrontier

Tue 2/252:18 pmSAT - IAD

2 stops23h 21mFrontier

Deal found 1/14

$274

Tue 1/286:15 pmIAD - SAT

1 stop7h 12mDelta

Mon 2/312:36 pmSAT - IAD

1 stop9h 58mDelta

Deal found 1/14

$278

Sat 2/85:00 amIAD - SAT

2 stops9h 46mAmerican Airlines

Mon 2/106:09 pmSAT - IAD

1 stop4h 49mAmerican Airlines

Deal found 1/15

$314

Tue 2/256:00 pmDCA - SAT

2 stops23h 58mFrontier

Thu 2/275:58 pmSAT - DCA

2 stops17h 05mFrontier

Deal found 1/16

$292

Sat 2/1511:00 amDCA - SAT

1 stop5h 52mUnited Airlines

Thu 2/205:30 amSAT - DCA

2 stops11h 24mUnited Airlines

Deal found 1/16

$354

Last-minute flights from Washington, D.C. to San Antonio
Discover last-minute flight deals from Washington, D.C. to San Antonio. Data last updated January 17, 2025 and is based on user searches.

Tue 1/216:49 pmBWI - SAT

1 stop6h 38mDelta

Wed 1/225:15 amSAT - BWI

1 stop5h 31mDelta

Deal found 1/16

$754

Wed 1/227:00 amDCA - SAT

1 stop30h 02mFrontier

Mon 1/271:02 pmSAT - DCA

1 stop26h 57mFrontier

Deal found 1/16

$336

Thu 1/238:08 amBWI - SAT

1 stop12h 18mMultiple Airlines

Sat 2/17:10 pmSAT - BWI

1 stop11h 41mMultiple Airlines

Deal found 1/16

$190

Thu 1/236:00 amDCA - SAT

1 stop7h 54mDelta

Sat 2/15:30 amSAT - DCA

1 stop6h 19mDelta

Deal found 1/16

$323

Thu 1/236:00 amIAD - SAT

1 stop6h 27mDelta

Sat 2/15:15 amSAT - IAD

1 stop5h 36mDelta

Deal found 1/16

$323

Thu 1/235:24 pmIAD - SAT

Nonstop3h 57mUnited Airlines

Sat 2/14:00 pmSAT - IAD

1 stop5h 09mUnited Airlines

Deal found 1/16

$370

Thu 1/231:53 pmIAD - SAT

2 stops8h 12mAmerican Airlines

Sun 1/265:32 pmSAT - IAD

1 stop5h 24mAmerican Airlines

Deal found 1/16

$414

Thu 1/236:05 pmBWI - SAT

Nonstop4h 05mSouthwest

Thu 1/306:45 pmSAT - BWI

1 stop4h 30mSouthwest

Deal found 1/16

$749

Thu 1/238:00 amDCA - SAT

1 stop6h 24mUnited Airlines

Sun 1/265:30 amSAT - DCA

2 stops7h 52mUnited Airlines

Deal found 1/16

$758

Fri 1/245:25 pmIAD - SAT

3 stops24h 19mMultiple Airlines

Sun 1/268:21 pmSAT - IAD

3 stops23h 48mMultiple Airlines

Deal found 1/16

$561

Fri 1/2410:05 amBWI - SAT

2 stops10h 17mUnited Airlines

Thu 1/305:30 amSAT - BWI

2 stops7h 21mUnited Airlines

Deal found 1/16

$789

Sun 1/2610:45 amBWI - SAT

1 stop11h 14mSpirit Airlines

Fri 1/317:00 amSAT - BWI

1 stop8h 33mSpirit Airlines

Deal found 1/16

$156

One-way flights from Washington, D.C. to San Antonio
Search for one-way flight options from Washington, D.C. to San Antonio. Find affordable one-way fares based on user searches. Data last updated January 17, 2025.

Thu 3/68:21 amBWI - SAT

1 stop12h 39mFrontier

Deal found 1/15

$61

Mon 2/310:45 amBWI - SAT

1 stop11h 14mSpirit Airlines

Deal found 1/15

$77

Wed 3/128:35 amIAD - SAT

1 stop7h 48mUnited Airlines

Deal found 1/16

$140

Sat 3/16:03 pmIAD - SAT

1 stop25h 47mFrontier

Deal found 1/15

$141

Wed 1/221:01 pmDCA - SAT

1 stop24h 01mFrontier

Deal found 1/15

$146

Fri 2/145:16 pmIAD - SAT

1 stop6h 43mDelta

Deal found 1/16

$155

Wed 3/512:55 pmIAD - SAT

3 stops22h 08mMultiple Airlines

Deal found 1/16

$158

Mon 2/245:20 pmIAD - SAT

1 stop7h 10mSouthwest

Deal found 1/15

$175

Tue 2/185:10 pmDCA - SAT

1 stop8h 30mDelta

Deal found 1/16

$180

Tue 2/185:26 pmIAD - SAT

1 stop6h 05mAmerican Airlines

Deal found 1/15

$180

Fri 2/219:45 pmBWI - SAT

3 stops31h 51mMultiple Airlines

Deal found 1/16

$190

Wed 2/266:05 pmBWI - SAT

Nonstop4h 05mSouthwest

Deal found 1/15

$199

Find flights from Washington, D.C. to San Antonio within your budget

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Thu 1/30

9:20 pm-6:15 pm

1 stop21h 55m

San Antonio

Mon 2/3

7:15 pm-9:10 am

1 stop12h 55m

$117

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Fri 1/31

10:45 am-8:59 pm

1 stop11h 14m

San Antonio

Mon 2/3

7:15 pm-9:10 am

1 stop12h 55m

$137

BaltimoreSan Antonio

BWI - SAT

BWISAT

Baltimore/Washington

Fri 1/31

10:45 am-8:59 pm

1 stop11h 14m

San Antonio

Thu 2/6

7:00 am-4:33 pm

1 stop8h 33m

$159

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Tue 3/18

7:35 pm-12:37 am

1 stop6h 02m

San Antonio

Tue 3/25

5:30 am-11:34 am

1 stop5h 04m

$268

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Thu 2/27

8:05 am-1:27 pm

1 stop6h 22m

San Antonio

Sat 3/1

5:57 pm-11:53 pm

1 stop4h 56m

$269

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sun 2/2

5:24 pm-8:21 pm

Nonstop3h 57m

San Antonio

Fri 2/28

12:11 pm-4:22 pm

Nonstop3h 11m

$269

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Mon 2/3

5:16 pm-10:59 pm

1 stop6h 43m

San Antonio

Wed 2/5

4:50 pm-11:13 pm

1 stop5h 23m

$273

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 2/22

6:03 pm-6:50 pm

1 stop25h 47m

San Antonio

Tue 2/25

2:18 pm-2:39 pm

2 stops23h 21m

$274

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Sat 4/12

5:00 am-10:08 am

1 stop6h 08m

San Antonio

Sat 4/19

6:35 am-10:50 am

Nonstop3h 15m

$283

Washington, D.C.San Antonio

DCA - SAT

DCASAT

Washington, D.C. Reagan-National

Fri 2/14

1:03 pm-1:18 pm

1 stop25h 15m

San Antonio

Tue 2/18

2:18 pm-4:59 pm

1 stop25h 41m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 33 results

Compare providers for flights from Washington, D.C. to San Antonio

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to San Antonio in January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Washington, D.C. to San Antonio are usually found in August or February, booked 89 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Washington, D.C. to San Antonio

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to San Antonio

Cheapest flights from Washington, D.C. to San Antonio
Explore the most affordable flight options available from Washington, D.C. to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

Explore the most affordable flight options available from Washington, D.C. to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

Best flights from Washington, D.C. to San Antonio
Discover carefully curated flight deals from Washington, D.C. to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 17, 2025.

Discover carefully curated flight deals from Washington, D.C. to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 17, 2025.

Last-minute flights from Washington, D.C. to San Antonio
Discover last-minute flight deals from Washington, D.C. to San Antonio. Data last updated January 17, 2025 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to San Antonio. Data last updated January 17, 2025 and is based on user searches.

One-way flights from Washington, D.C. to San Antonio
Search for one-way flight options from Washington, D.C. to San Antonio. Find affordable one-way fares based on user searches. Data last updated January 17, 2025.

Search for one-way flight options from Washington, D.C. to San Antonio. Find affordable one-way fares based on user searches. Data last updated January 17, 2025.

Find flights from Washington, D.C. to San Antonio within your budget

Compare providers for flights from Washington, D.C. to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to San Antonio in January.

$61+ Cheap flights from Washington, D.C. (WAS) 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Washington, D.C. to San Antonio are usually found in August or February, booked 89 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Washington, D.C. to San Antonio

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to San Antonio

Cheapest flights from Washington, D.C. to San AntonioExplore the most affordable flight options available from Washington, D.C. to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

Explore the most affordable flight options available from Washington, D.C. to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

Find flights from Washington, D.C. to San Antonio within your budget

Compare providers for flights from Washington, D.C. to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to San Antonio in January.

Cheapest flights from Washington, D.C. to San Antonio
Explore the most affordable flight options available from Washington, D.C. to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.