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$119+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SAT
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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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 Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Dulles Intl to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

March

Cheapest in

January

Round-trip from

$268
(Delta)

One-way from

$119
(FlightHub)
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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High demand for flights, 14% potential price rise
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Best time to find cheap flights, 17% potential price drop
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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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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 November 21, 2024.

This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/185:00 amIAD - SAT
1 stop7h 04mAmerican Airlines
Wed 12/256:30 amSAT - IAD
1 stop5h 55mAmerican Airlines
Deal found 11/20$268
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:10 pmIAD - SAT
Nonstop3h 48mUnited Airlines
Sat 12/1412:08 pmSAT - IAD
1 stop7h 53mUnited Airlines
Deal found 11/20$270
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:00 amIAD - SAT
1 stop5h 55mDelta
Mon 12/165:20 amSAT - IAD
1 stop5h 30mDelta
Deal found 11/19$273
This CheapOair deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/137:19 pmIAD - SAT
1 stop23h 51mFrontier
Tue 12/175:24 pmSAT - IAD
1 stop13h 16mFrontier
Deal found 11/20$318
This Southwest deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/187:25 amIAD - SAT
2 stops9h 30mSouthwest
Wed 12/2510:35 amSAT - IAD
1 stop11h 25mSouthwest
Deal found 11/20$397
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/912:55 pmIAD - SAT
3 stops30h 37mMultiple Airlines
Thu 12/121:14 pmSAT - IAD
3 stops25h 56mMultiple Airlines
Deal found 11/20$472

Find flights from Dulles Intl to San Antonio within your budget

Customize your flight search to find flights from Dulles Intl to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 1/4

5:27 pm-11:05 pm

1 stop6h 38m

San Antonio

Wed 1/22

5:25 am-11:47 am

1 stop5h 22m

$268

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 12/11

5:10 pm-7:58 pm

Nonstop3h 48m

San Antonio

Sat 12/14

12:08 pm-9:01 pm

1 stop7h 53m

$270

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 1/14

9:11 am-6:57 pm

2 stops10h 46m

San Antonio

Tue 1/28

9:10 am-7:35 pm

2 stops9h 25m

$278

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 12/13

7:19 pm-6:10 pm

1 stop23h 51m

San Antonio

Tue 12/17

5:24 pm-7:40 am

1 stop13h 16m

$318

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Thu 2/20

6:55 am-10:30 pm

2 stops16h 35m

San Antonio

Sat 3/1

6:05 am-4:40 pm

1 stop9h 35m

$373

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 1/7

12:55 pm-6:32 pm

3 stops30h 37m

San Antonio

Mon 1/13

7:00 pm-4:10 pm

3 stops20h 10m

$380

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 2/28

6:03 pm-7:05 pm

1 stop26h 02m

$119

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Sat 1/4

5:27 pm-11:05 pm

1 stop6h 38m

$134

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 12/31

5:00 am-10:47 pm

1 stop18h 47m

$147

Washington, D.C.San Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Mon 12/16

12:55 pm-6:32 pm

3 stops30h 37m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 12 results
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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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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.

Travel insights for flights from Dulles Intl to San Antonio

Get recent, data-driven insights about flights from Dulles Intl to San Antonio including ideal travel times, pricing trends, and more.

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 November 15, 2024.

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?

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 November 21, 2024.

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

Explore weekly flight availability from Dulles Intl to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2024.

The most flights from IAD to SAT are scheduled on a Monday (6 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

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

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

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated November 21, 2024.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines 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
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,759 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,173 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Frontier
6.1
Okay
3,539 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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?

    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 $268. Other airlines that can offer you cheap pricing are United Airlines, from $270, and American Airlines, from $278. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Antonio for 32% 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 $119 on Frontier. Other airlines that offer cheap prices include Delta from $134 and American Airlines from $147 one-way.

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

    Consider Mesa Airlines (100%), United Airlines (98%) or Air Canada (94%) 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 $249. While the most popular route (Washington, D.C. Dulles Intl - San Antonio) can be booked for $209 on average our data indicates $637 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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Alternative routes for Dulles Intl to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Dulles Intl to San Antonio

Discover the top 3 airlines that operate flights from Dulles Intl to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$212Average$349FlexibilityNo cancel feeOn-time71%
DeltaCheapest$247Average$360FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$419FlexibilityNo cancel feeOn-time69%
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