Cheap flights from Dulles Intl to San Antonio (IAD - SAT)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

How to find the cheapest flight from
Dulles Intl (IAD) to San Antonio (SAT)

All the information you need to plan the best IAD to SAT flight in 2022: compare Dulles Intl to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.
IAD - SAT
Price
$321 - $559
SAT
Temperature
51.8 - 84.2 °F
SAT
Rainfall
1.6 - 3.7 inches

Popular in

December

High demand for flights, 26% potential price rise

Cheapest in

January

Best time to find cheap flights, 23% potential price drop

Round-trip from

$321

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

One-way from

$216

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

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to San Antonio (IAD - SAT)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to San Antonio as you normally would.

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

To save up to 58% on this flight, we recommend booking at least 43 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Dulles Intl Airport to San Antonio from $461 1-2 weeks out and tickets from $596 for flights departing within the next 72 hours.

Cheap flights from Dulles Intl to San Antonio in June, July 2022

The best prices found for IAD to SAT flights for June, July
13 Jul - 27 Jul
$346pp
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Delta
 
1 STOP
IAD
Washington, D.C. Dulles Intl
28 Jul - 13 Aug
$348pp
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
Delta
 
1 STOP
IAD
Washington, D.C. Dulles Intl
13 Jul - 27 Jul
$359pp
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
Delta
 
1 STOP
IAD
Washington, D.C. Dulles Intl

Washington, D.C. Dulles Intl to San Antonio 2022 flight deals

Cheap flights to San Antonio from Dulles Intl found for this year
16 Aug - 22 Aug
$303pp
IAD
Washington, D.C. Dulles Intl
American Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl
11 Aug - 20 Aug
$304pp
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl
26 Oct - 2 Nov
$306pp
IAD
Washington, D.C. Dulles Intl
Delta
 
1 STOP
SAT
San Antonio
SAT
San Antonio
Delta
 
1 STOP
IAD
Washington, D.C. Dulles Intl

Non-stop flights to San Antonio from Dulles Intl

Save time with Dulles Intl to San Antonio direct flight deals
24 Oct - 29 Oct
$390pp
IAD
Washington, D.C. Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
12 Jul - 25 Jul
$401pp
IAD
Washington, D.C. Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl
14 Sep - 16 Sep
$407pp
IAD
Washington, D.C. Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington, D.C. Dulles Intl

Last minute flights from Dulles Intl to San Antonio

Late deals on round-trip flights to San Antonio from Dulles Intl, departing today and this week
4 Jul - 11 Jul
$399pp
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
Non-Stop
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl
4 Jul - 16 Jul
$407pp
IAD
Washington, D.C. Dulles Intl
American Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl
6 Jul - 16 Jul
$408pp
IAD
Washington, D.C. Dulles Intl
Multiple Airlines
 
1 STOP
SAT
San Antonio
SAT
San Antonio
American Airlines
 
1 STOP
IAD
Washington, D.C. Dulles Intl

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

The cheapest one-way flights from Dulles Intl to San Antonio
3:58 pm - 7:59 pm
Delta
1 Stop
5h 01m
IAD - SAT
Delta
$216
Delta
4:59 pm - 7:14 pm
Multiple Airlines
2 Stops
27h 15m
IAD - SAT
Multiple Airlines
$240
Kiwi.com
3:01 am - 6:41 am
American Airlines
1 Stop
4h 40m
IAD - SAT
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Dulles Intl</span> to <span class="emphasized">San Antonio</span> flights.

Flight FAQs

From Dulles Intl to San Antonio

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. 5 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.

Which airlines flying from Washington, D.C. Dulles Intl to San Antonio have flexible cancellations due to COVID-19?

United Airlines, Delta, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Washington, D.C. Dulles Intl Airport to San Antonio for under $400 on Cheapflights?

Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to San Antonio for under $400. The cheapest flight booked recently is on American Airlines for just $303, but on average you can expect to pay $347.

Are there nonstop flights from Washington, D.C. Dulles Intl Airport to San Antonio for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to San Antonio under $400. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to San Antonio is less than $442.

Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to San Antonio for under $400?

There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to San Antonio within the next 7 days for less than $400.

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 $303. Other airlines that can offer you cheap pricing are Delta, from $306, and United Airlines, from $347. You may be able to fly from Washington, D.C. Dulles Intl Airport to San Antonio for 27% 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 $152 on American Airlines. Other airlines that offer cheap prices include Delta from $153 and United Airlines from $206 one-way.

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

Consider Mesa Airlines (92%), United Airlines (89%) or Air Canada (86%) 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 Frontier when booking your flight. These represent the most popular 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 $123. While the most popular route (Washington, D.C. Dulles Intl - San Antonio) can be booked for $304 on average our data indicates $818 when flying from Washington, D.C. Dulles Intl Airport to San Antonio.

COVID Restrictions

View COVID Travel Restrictions for San Antonio, TX

Do I need a COVID test to fly to San Antonio from Dulles Intl?

Information is based on travel restrictions for travel to San Antonio within the United States

Most visitors from Washington, D.C. Dulles Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Antonio.

COVID-19 testing requirements
Visitors from Washington, D.C. Dulles Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering San Antonio.

Quarantine requirements
Visitors from Washington, D.C. Dulles Intl are not required to quarantine after entering San Antonio.

Do I need a test to fly back to Dulles Intl from San Antonio?

Returning to Washington, D.C. Dulles Intl from San Antonio

COVID-19 testing requirements
Visitors from San Antonio are not required to present a negative COVID-19 PCR test or antigen result upon entering Washington, D.C. Dulles Intl.

Quarantine requirements
Visitors from San Antonio are not required to quarantine after entering Washington, D.C. Dulles Intl.

Hide COVID Travel Restrictions for San Antonio, TX

Destination information for San Antonio

Things to know before you go - useful duration and weather info for your trip from Dulles Intl to San Antonio.

Airports servicing Washington, D.C.

Airports servicing San Antonio

Top 4 airlines flying from Washington, D.C. Dulles Intl to San Antonio

The chart below displays the airlines Cheapflights users traveling from Dulles Intl to San Antonio choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Juneyao Airlines
$9 $18 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

American Airlines
$144 $346 No cancel fee 71%
Delta
$238 $379 No cancel fee N/A
United Airlines
$273 $425 No cancel fee 69%

Hourly flight availability from Dulles Intl to San Antonio

See what time of day planes typically take off from Dulles Intl towards San Antonio.
Afternoon Noon to 6 PM 71% of IAD to SAT departures
Morning 6 AM to noon 28% of IAD to SAT departures
Early morning Midnight to 6 AM 1% of IAD to SAT departures
Evening 6 PM to midnight 0% of IAD to SAT departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Dulles Intl to San Antonio
See how many times per day planes take to the skies headed from Dulles Intl to San Antonio.
Sunday
2 daily flights
Monday
6 daily flights
Tuesday
6 daily flights
Wednesday
6 daily flights
Thursday
6 daily flights
Friday
1 daily flight
Saturday
0 flights
Home North America USA Texas San Antonio Cheap flights from Dulles Intl to San Antonio