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

Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to San Antonio round-trip from $249. Other airlines that can offer you cheap pricing are United Airlines, from $255, and Delta, from $257. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Antonio for 37% less than the average price by searching for these airlines.

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

One-way options have recently been found by users for as low as $100 on Southwest. Other airlines that offer cheap prices include United Airlines from $107 and Frontier from $117 one-way.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to San Antonio?

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

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

Looking at all options, your cheapest flight can be booked for $94. While the most popular route (Washington, D.C. Dulles Intl - San Antonio) can be booked for $179 on average our data indicates $367 when flying from Washington, D.C. Dulles Intl Airport to San Antonio.

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to San Antonio?

Consider Air Canada (82%), Brussels Airlines (75%) or Lufthansa (74%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to San Antonio.

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

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to San Antonio.

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

Tuesday is generally a great day to depart. Flying on this day could help you save up to 29%.

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

August can be a great time to fly to San Antonio from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $383. Cheapflights users have found deals in the month of August for as cheap as $236. The most expensive prices can be found in the month of December.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-San Antonio flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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. Dulles Intl?

San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to San Antonio. 3 airlines have flights to San Antonio from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to San Antonio should not be difficult; the airport handles an average of 3 inbound flights from Washington, D.C. Dulles Intl per day.

Can I find deals for flights from Dulles Intl to San Antonio that include hotel bookings?

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

How can I find direct flights from Dulles Intl to San Antonio?

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

Can I find deals for business class flights from Dulles Intl to San Antonio?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$100+ Save on Flights from Washington, D.C. Dulles Intl Airport to San Antonio

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to San Antonio are usually found in January or August, booked 57 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Dulles Intl to San Antonio

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$249 (Southwest)
One-way from	$100 (Southwest)
Popular in	March
Cheapest in	January
Average price	$460
Good round-trip deal	$331 or less
Good one-way deal	$134 or less

Provider with most accurate pricing for Washington, D.C. Dulles Intl-San Antonio flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-San Antonio flights.

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From Washington, D.C. Dulles Intl to San Antonio

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One-way flight from Washington, D.C. Dulles Intl to San Antonio

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Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to San Antonio.

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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to San Antonio.

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Find flight deals from Dulles Intl to San Antonio

Cheapest flights from Dulles Intl to San Antonio
Explore the most affordable flight options available from Dulles Intl to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2025.

Thu 5/17:25 amIAD - SAT

1 stop9h 45mSouthwest

Mon 5/57:10 amSAT - IAD

1 stop8h 40mSouthwest

Deal found 3/19

$249

Tue 4/85:50 pmIAD - SAT

Nonstop3h 44mUnited Airlines

Tue 4/157:15 amSAT - IAD

Nonstop3h 18mUnited Airlines

Deal found 3/19

$255

Mon 4/217:46 pmIAD - SAT

1 stop5h 44mDelta

Thu 4/242:12 pmSAT - IAD

1 stop8h 28mDelta

Deal found 3/19

$257

Thu 4/246:18 amIAD - SAT

1 stop8h 20mAmerican Airlines

Mon 4/286:06 pmSAT - IAD

1 stop4h 50mAmerican Airlines

Deal found 3/19

$307

Tue 5/65:40 pmIAD - SAT

3 stops30h 11mMultiple Airlines

Sun 5/1112:30 pmSAT - IAD

2 stops31h 27mMultiple Airlines

Deal found 3/19

$325

Thu 5/155:26 pmIAD - SAT

1 stop27h 05mFrontier

Sun 5/1810:52 amSAT - IAD

1 stop28h 44mFrontier

Deal found 3/19

$370

Best flights from Dulles Intl to San Antonio
Discover carefully curated flight deals from Dulles Intl to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 20, 2025.

Thu 5/17:25 amIAD - SAT

1 stop9h 45mSouthwest

Mon 5/57:10 amSAT - IAD

1 stop8h 40mSouthwest

Deal found 3/19

$249

Tue 4/85:50 pmIAD - SAT

Nonstop3h 44mUnited Airlines

Tue 4/157:15 amSAT - IAD

Nonstop3h 18mUnited Airlines

Deal found 3/19

$255

Mon 4/217:46 pmIAD - SAT

1 stop5h 44mDelta

Thu 4/242:12 pmSAT - IAD

1 stop8h 28mDelta

Deal found 3/19

$257

Thu 4/246:18 amIAD - SAT

1 stop6h 25mAmerican Airlines

Tue 4/292:28 pmSAT - IAD

1 stop7h 14mAmerican Airlines

Deal found 3/19

$307

Tue 5/65:40 pmIAD - SAT

3 stops30h 11mMultiple Airlines

Sun 5/1112:30 pmSAT - IAD

2 stops31h 27mMultiple Airlines

Deal found 3/19

$325

Thu 5/155:26 pmIAD - SAT

1 stop27h 05mFrontier

Sun 5/1810:52 amSAT - IAD

1 stop28h 44mFrontier

Deal found 3/19

$370

Last-minute flights from Dulles Intl to San Antonio
Discover last-minute flight deals from Dulles Intl to San Antonio. Data last updated March 20, 2025 and is based on user searches.

Tue 3/257:35 amIAD - SAT

1 stop10h 50mDelta

Tue 4/15:30 amSAT - IAD

1 stop5h 03mDelta

Deal found 3/18

$351

Tue 3/2511:46 amIAD - SAT

1 stop6h 19mAmerican Airlines

Tue 4/12:32 pmSAT - IAD

2 stops8h 26mAmerican Airlines

Deal found 3/18

$356

Tue 3/253:40 pmIAD - SAT

1 stop8h 45mSouthwest

Wed 3/261:40 pmSAT - IAD

1 stop8h 45mSouthwest

Deal found 3/20

$425

Tue 3/2512:55 pmIAD - SAT

3 stops22h 08mMultiple Airlines

Thu 3/275:20 pmSAT - IAD

3 stops26h 49mMultiple Airlines

Deal found 3/19

$699

Fri 3/288:15 amIAD - SAT

Nonstop3h 54mUnited Airlines

Mon 3/314:45 pmSAT - IAD

Nonstop3h 30mUnited Airlines

Deal found 3/19

$359

Fri 3/287:00 amIAD - SAT

2 stops23h 40mAlaska Airlines

Sat 3/297:00 amSAT - IAD

1 stop11h 34mAlaska Airlines

Deal found 3/19

$1,250

Tue 4/87:50 amIAD - SAT

2 stops10h 55mSouthwest

Tue 4/157:30 amSAT - IAD

1 stop8h 15mSouthwest

Deal found 3/20

$249

Tue 4/85:50 pmIAD - SAT

Nonstop3h 44mUnited Airlines

Tue 4/157:15 amSAT - IAD

Nonstop3h 18mUnited Airlines

Deal found 3/19

$255

Mon 4/217:46 pmIAD - SAT

1 stop5h 44mDelta

Thu 4/242:12 pmSAT - IAD

1 stop8h 28mDelta

Deal found 3/19

$257

Mon 4/215:40 pmIAD - SAT

3 stops23h 28mMultiple Airlines

Thu 4/245:03 pmSAT - IAD

3 stops41h 21mMultiple Airlines

Deal found 3/19

$362

Thu 4/246:18 amIAD - SAT

1 stop8h 20mAmerican Airlines

Mon 4/286:06 pmSAT - IAD

1 stop4h 50mAmerican Airlines

Deal found 3/19

$307

One-way flights from Dulles Intl to San Antonio
Search for one-way flight options from Dulles Intl to San Antonio. Find affordable one-way fares based on user searches. Data last updated March 20, 2025.

Sat 4/195:05 amIAD - SAT

1 stop7h 00mSouthwest

Deal found 3/20

$100

Fri 5/308:30 amIAD - SAT

Nonstop3h 30mUnited Airlines

Deal found 3/19

$107

Fri 6/136:10 amIAD - SAT

1 stop6h 27mFrontier

Deal found 3/19

$117

Tue 4/227:35 amIAD - SAT

1 stop10h 52mDelta

Deal found 3/20

$119

Mon 4/215:40 pmIAD - SAT

3 stops23h 28mMultiple Airlines

Deal found 3/20

$153

Sat 4/199:10 amIAD - SAT

2 stops9h 22mAmerican Airlines

Deal found 3/20

$159

Mon 5/125:00 pmIAD - SAT

2 stops26h 37mAlaska Airlines

Deal found 3/19

$277

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 5/1

7:25 am-4:10 pm

1 stop9h 45m

San Antonio

Mon 5/5

7:10 am-4:50 pm

1 stop8h 40m

$249

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 4/8

5:50 pm-8:34 pm

Nonstop3h 44m

San Antonio

Tue 4/15

7:15 am-11:33 am

Nonstop3h 18m

$255

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Mon 4/21

7:46 pm-12:30 am

1 stop5h 44m

San Antonio

Thu 4/24

2:12 pm-11:40 pm

1 stop8h 28m

$257

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 4/24

6:18 am-1:38 pm

1 stop8h 20m

San Antonio

Mon 4/28

6:06 pm-11:56 pm

1 stop4h 50m

$307

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 5/6

5:40 pm-10:51 pm

3 stops30h 11m

San Antonio

Sun 5/11

12:30 pm-8:57 pm

2 stops31h 27m

$325

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 5/15

5:26 pm-7:31 pm

1 stop27h 05m

San Antonio

Sun 5/18

10:52 am-4:36 pm

1 stop28h 44m

$370

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 4/19

5:05 am-11:05 am

1 stop7h 00m

$100

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 5/30

8:30 am-11:00 am

Nonstop3h 30m

$107

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 6/13

6:10 am-11:37 am

1 stop6h 27m

$117

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 4/22

7:35 am-5:27 pm

1 stop10h 52m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 13 results

Compare providers for flights from Dulles Intl to San Antonio

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to San Antonio in March.

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

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-San Antonio flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-San Antonio 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 Dulles Intl to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Dulles Intl with our price prediction graph.

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 Washington, D.C. Dulles Intl Airport to San Antonio

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to San Antonio is 57 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 Washington, D.C. Dulles Intl Airport to San Antonio?

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 29% on flights from Washington, D.C. Dulles Intl Airport to San Antonio by exploring options for tickets at noon.

Rainfall in San Antonio by month

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.

Temperature in San Antonio by month

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).

Reviews of airlines servicing San Antonio

Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Washington, D.C. to San Antonio to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,281 reviews

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines

8.0

Very good

9,756 reviews

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,895 reviews

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,609 reviews

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.1

Very good

4,281 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What airport do you fly into for flights to San Antonio from Washington, D.C. Dulles Intl?
San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to San Antonio. 3 airlines have flights to San Antonio from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to San Antonio should not be difficult; the airport handles an average of 3 inbound flights from Washington, D.C. Dulles Intl per day.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Antonio round-trip?
Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to San Antonio round-trip from $249. Other airlines that can offer you cheap pricing are United Airlines, from $255, and Delta, from $257. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Antonio for 37% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to San Antonio one-way?
One-way options have recently been found by users for as low as $100 on Southwest. Other airlines that offer cheap prices include United Airlines from $107 and Frontier from $117 one-way.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to San Antonio?
Consider Air Canada (82%), Brussels Airlines (75%) or Lufthansa (74%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to San Antonio.
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to San Antonio?
Looking at all options, your cheapest flight can be booked for $94. While the most popular route (Washington, D.C. Dulles Intl - San Antonio) can be booked for $179 on average our data indicates $367 when flying from Washington, D.C. Dulles Intl Airport to San Antonio.
Can I find deals for flights from Dulles Intl to San Antonio that include hotel bookings?
Yes. In addition to deals on Dulles Intl to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to San Antonio.
Can I find deals for business class flights from Dulles Intl to San Antonio?
Yes. Cheapflights offers flight deals from Dulles Intl 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.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to San Antonio?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Antonio (average of $295). Flying from Washington, D.C. Dulles Intl 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.

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Top 3 airlines flying from Dulles Intl to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$212	Average$323	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$247	Average$350	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$257	Average$420	FlexibilityNo cancel fee	On-time69%

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$100+ Cheap flights from Dulles Intl (IAD) 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to San Antonio are usually found in January or August, booked 57 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Dulles Intl to San Antonio

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dulles Intl to San Antonio

Cheapest flights from Dulles Intl to San AntonioExplore the most affordable flight options available from Dulles Intl to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2025.

Explore the most affordable flight options available from Dulles Intl to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2025.

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Antonio that are best for you.

Compare providers for flights from Dulles Intl 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 Dulles Intl to San Antonio in March.

Best time to book a flight from Dulles Intl to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to San Antonio

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to San Antonio. Price data was last updated on March 14, 2025.

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

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

Find hourly flight availability from Dulles Intl 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 March 20, 2025.

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

Reviews of airlines servicing San Antonio

Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Washington, D.C. to San Antonio to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to San Antonio?

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

Can I find deals for flights from Dulles Intl to San Antonio that include hotel bookings?

How can I find direct flights from Dulles Intl to San Antonio?

Can I find deals for business class flights from Dulles Intl to San Antonio?

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Dulles Intl to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Dulles Intl to San Antonio

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Cheapest flights from Dulles Intl to San Antonio
Explore the most affordable flight options available from Dulles Intl to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2025.