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 $240. Other airlines that can offer you cheap pricing are Delta, from $254, and Frontier, from $261. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Antonio for 39% 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 $113 and Delta from $126 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 $129. While the most popular route (Washington, D.C. Dulles Intl - San Antonio) can be booked for $231 on average our data indicates $503 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 Mesa Airlines (92%), United Airlines (85%) or Air Canada (83%) 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 32%.

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 $386. Cheapflights users have found deals in the month of August for as cheap as $237. 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 5 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+ 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 August or January, 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	$240 (United Airlines)
One-way from	$100 (Southwest)
Popular in	March
Cheapest in	August
Average price	$394
Good round-trip deal	$321 or less
Good one-way deal	$165 or less

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

Search Deals

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).

Search Deals

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 April 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 April 11, 2025.

Thu 5/88:20 amIAD - SAT

Nonstop3h 44mUnited Airlines

Wed 5/147:34 amSAT - IAD

Nonstop3h 19mUnited Airlines

Deal found 4/10

$240

Tue 6/175:24 pmIAD - SAT

1 stop5h 47mDelta

Sat 6/2112:20 pmSAT - IAD

1 stop6h 26mDelta

Deal found 4/10

$251

Sat 4/265:35 pmIAD - SAT

1 stop26h 24mFrontier

Fri 5/21:43 pmSAT - IAD

1 stop15h 48mFrontier

Deal found 4/10

$261

Tue 5/67:50 amIAD - SAT

2 stops10h 55mSouthwest

Thu 5/85:30 amSAT - IAD

1 stop6h 55mSouthwest

Deal found 4/10

$265

Sat 5/249:50 pmIAD - SAT

1 stop20h 18mMultiple Airlines

Sat 5/317:05 amSAT - IAD

2 stops26h 59mMultiple Airlines

Deal found 4/10

$297

Thu 4/246:18 amIAD - SAT

1 stop6h 25mAmerican Airlines

Tue 4/295:00 amSAT - IAD

2 stops7h 42mAmerican Airlines

Deal found 4/10

$314

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 April 11, 2025.

Thu 5/88:20 amIAD - SAT

Nonstop3h 44mUnited Airlines

Wed 5/147:34 amSAT - IAD

Nonstop3h 19mUnited Airlines

Deal found 4/10

$240

Fri 5/305:40 pmIAD - SAT

1 stop7h 48mDelta

Tue 6/35:20 amSAT - IAD

1 stop5h 38mDelta

Deal found 4/10

$254

Sat 4/265:35 pmIAD - SAT

1 stop26h 24mFrontier

Fri 5/21:43 pmSAT - IAD

1 stop15h 48mFrontier

Deal found 4/10

$261

Tue 5/67:50 amIAD - SAT

2 stops10h 55mSouthwest

Thu 5/85:30 amSAT - IAD

1 stop6h 55mSouthwest

Deal found 4/10

$265

Sat 5/249:50 pmIAD - SAT

1 stop20h 18mMultiple Airlines

Sat 5/317:05 amSAT - IAD

2 stops26h 59mMultiple Airlines

Deal found 4/10

$297

Thu 4/246:18 amIAD - SAT

1 stop6h 25mAmerican Airlines

Tue 4/295:00 amSAT - IAD

2 stops7h 42mAmerican Airlines

Deal found 4/10

$314

Last-minute flights from Dulles Intl to San Antonio
Discover last-minute flight deals from Dulles Intl to San Antonio. Data last updated April 11, 2025 and is based on user searches.

Wed 4/1612:55 pmIAD - SAT

3 stops31h 39mMultiple Airlines

Sun 4/207:25 pmSAT - IAD

3 stops19h 50mMultiple Airlines

Deal found 4/10

$443

Fri 4/186:22 pmIAD - SAT

1 stop17h 59mFrontier

Sun 4/277:59 pmSAT - IAD

1 stop19h 36mFrontier

Deal found 4/10

$270

Sat 4/1912:29 pmIAD - SAT

1 stop6h 00mDelta

Thu 4/2412:13 pmSAT - IAD

1 stop5h 38mDelta

Deal found 4/10

$283

Sat 4/195:50 pmIAD - SAT

Nonstop3h 44mUnited Airlines

Thu 4/2412:05 pmSAT - IAD

Nonstop3h 20mUnited Airlines

Deal found 4/10

$314

Sat 4/194:00 pmIAD - SAT

1 stop8h 25mSouthwest

Sun 4/2011:45 amSAT - IAD

2 stops12h 20mSouthwest

Deal found 4/10

$430

Sat 4/199:10 amIAD - SAT

2 stops9h 22mAmerican Airlines

Mon 4/216:06 pmSAT - IAD

1 stop4h 50mAmerican Airlines

Deal found 4/10

$484

Mon 4/217:00 amIAD - SAT

2 stops23h 15mAlaska Airlines

Thu 4/247:33 pmSAT - IAD

1 stop21h 40mAlaska Airlines

Deal found 4/10

$1,020

Thu 4/246:18 amIAD - SAT

1 stop6h 25mAmerican Airlines

Tue 4/295:00 amSAT - IAD

2 stops7h 42mAmerican Airlines

Deal found 4/10

$314

Sat 4/265:35 pmIAD - SAT

1 stop26h 24mFrontier

Fri 5/21:43 pmSAT - IAD

1 stop15h 48mFrontier

Deal found 4/10

$261

Mon 5/57:13 pmIAD - SAT

1 stop24h 24mAlaska Airlines

Tue 5/137:33 pmSAT - IAD

1 stop11h 10mAlaska Airlines

Deal found 4/10

$492

Tue 5/67:50 amIAD - SAT

2 stops10h 55mSouthwest

Thu 5/85:30 amSAT - IAD

1 stop6h 55mSouthwest

Deal found 4/10

$265

Wed 5/76:00 amIAD - SAT

1 stop6h 13mDelta

Wed 5/145:20 amSAT - IAD

1 stop5h 46mDelta

Deal found 4/10

$251

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 April 11, 2025.

Sat 5/244:00 pmIAD - SAT

1 stop8h 25mSouthwest

Deal found 4/10

$100

Thu 5/295:50 pmIAD - SAT

Nonstop3h 32mUnited Airlines

Deal found 4/10

$113

Sat 6/289:42 pmIAD - SAT

1 stop20h 36mMultiple Airlines

Deal found 4/10

$117

Sat 5/176:00 pmIAD - SAT

1 stop7h 21mDelta

Deal found 4/10

$126

Sun 5/185:26 pmIAD - SAT

1 stop27h 05mFrontier

Deal found 4/10

$127

Wed 5/145:02 amIAD - SAT

2 stops9h 15mAmerican Airlines

Deal found 4/10

$165

Sat 6/77:15 amIAD - SAT

2 stops22h 55mAlaska Airlines

Deal found 4/10

$308

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 5/8

8:20 am-11:04 am

Nonstop3h 44m

San Antonio

Wed 5/14

7:34 am-11:53 am

Nonstop3h 19m

$240

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 6/17

5:24 pm-10:11 pm

1 stop5h 47m

San Antonio

Sat 6/21

12:20 pm-7:46 pm

1 stop6h 26m

$251

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 4/26

5:35 pm-6:59 pm

1 stop26h 24m

San Antonio

Fri 5/2

1:43 pm-6:31 am

1 stop15h 48m

$261

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 5/6

7:50 am-5:45 pm

2 stops10h 55m

San Antonio

Thu 5/8

5:30 am-1:25 pm

1 stop6h 55m

$265

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 5/24

9:50 pm-5:08 pm

1 stop20h 18m

San Antonio

Sat 5/31

7:05 am-11:04 am

2 stops26h 59m

$297

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 4/24

6:18 am-11:43 am

1 stop6h 25m

San Antonio

Tue 4/29

5:00 am-1:42 pm

2 stops7h 42m

$314

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 5/24

4:00 pm-11:25 pm

1 stop8h 25m

$100

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 5/29

5:50 pm-8:22 pm

Nonstop3h 32m

$113

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 6/28

9:42 pm-5:18 pm

1 stop20h 36m

$117

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 5/17

6:00 pm-12:21 am

1 stop7h 21m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

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 April.

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.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to San Antonio

The most flights from IAD to SAT are scheduled on a Wednesday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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 Alaska Airlines, Southwest 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.

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,851 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,279 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,911 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,636 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 5 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 $240. Other airlines that can offer you cheap pricing are Delta, from $254, and Frontier, from $261. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Antonio for 39% 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 $113 and Delta from $126 one-way.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to San Antonio?
Consider Mesa Airlines (92%), United Airlines (85%) or Air Canada (83%) 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 $129. While the most popular route (Washington, D.C. Dulles Intl - San Antonio) can be booked for $231 on average our data indicates $503 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.

See more FAQs

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Top 3 airlines flying from Dulles Intl to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$218	Average$321	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$244	Average$346	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$251	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 5/24. 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 August or January, 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 April 11, 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 April 11, 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 April.

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 April 4, 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 April 11, 2025.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to San Antonio

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 Alaska Airlines, Southwest 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 April 11, 2025.