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

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
San Antonio (SAT) to Dulles Intl (IAD)

All the information you need to plan the best SAT to IAD flight in 2021: compare San Antonio to Dulles Intl flight prices with the expected peak season, weather and rainfall in Dulles Intl.
SAT - IAD
Price
$214 - $457
IAD
Temperature
35.6 - 80.6 °F
IAD
Precipitation
2.6 - 4 inches

Popular in

January

High demand for flights, 29% potential price rise

Cheapest in

September

Best time to find cheap flights, 34% potential price drop

Round-trip from

$214

From San Antonio to Washington Dulles Intl

One-way from

$146

One-way flight from San Antonio to Washington Dulles Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from San Antonio to Washington Dulles Intl Airport?

August is one of the best times of the year to fly to Washington Dulles Intl Airport from San Antonio. Prices for August average $318 per person but you can even find prices for as low as $132. The most expensive prices can be found in the month of December. Opting for a August flight can save you 21% on your journey compared to booking in August

When is the cheapest time to fly from San Antonio to Washington Dulles Intl Airport (SAT - IAD)?

When flying from San Antonio to Washington Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Find a great deal and save up to 21% by booking at least 27 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Antonio to Washington Dulles Intl Airport within the next two weeks, with the cheapest ticket starting at $353.

Cheap flights from San Antonio to Dulles Intl in December, January 2022

The best prices found for SAT to IAD flights for December, January
5 Jan - 5 Jan
$206pp
SAT
San Antonio
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
5 Jan - 6 Jan
$207pp
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
5 Jan - 5 Jan
$215pp
SAT
San Antonio
Delta
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Delta
 
1 STOP
SAT
San Antonio

San Antonio to Dulles Intl 2022 flight deals

Cheap flights to Dulles Intl from San Antonio found for this year
7 Dec - 8 Dec
$223pp
SAT
San Antonio
United Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
   
2 STOPS
SAT
San Antonio
14 Dec - 11 Jan
$227pp
SAT
San Antonio
United Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
14 Dec - 11 Jan
$231pp
SAT
San Antonio
United Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
SAT
San Antonio

Non-stop flights to Dulles Intl from San Antonio

Save time with San Antonio to Dulles Intl direct flight deals
2 Mar - 8 Mar
$197pp
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
2 Mar - 6 Mar
$207pp
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio
13 Jan - 16 Jan
$217pp
SAT
San Antonio
United Airlines
Non-Stop
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
Non-Stop
SAT
San Antonio

Last minute flights from San Antonio to Dulles Intl

Late deals on round-trip flights to Dulles Intl from San Antonio, departing today and this week
7 Dec - 8 Dec
$223pp
SAT
San Antonio
United Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
   
2 STOPS
SAT
San Antonio
9 Dec - 16 Dec
$269pp
SAT
San Antonio
United Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
SAT
San Antonio
11 Dec - 15 Dec
$340pp
SAT
San Antonio
United Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
SAT
San Antonio

One-way flights to Dulles Intl from San Antonio

The cheapest one-way flights from San Antonio to Dulles Intl
2:06 am - 10:35 am
Delta
1 Stop
7h 29m
SAT - IAD
Delta
$146
Delta
3:11 pm - 9:46 am
Frontier
1 Stop
17h 35m
SAT - IAD
Frontier
$157
Kiwi.com
1:35 am - 2:26 am
United Airlines
1 Stop
23h 51m
SAT - IAD
United Airlines
$167
United

Related info for your journey

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

Flight FAQs

From San Antonio to Dulles Intl

What airport do you fly from for flights from San Antonio to Washington Dulles Intl?

For a flight from San Antonio to Washington Dulles Intl, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 3 outbound flights to Washington Dulles Intl per day. 4 airlines have flights to Washington Dulles Intl from San Antonio on a regular basis.

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

Some of the carriers operating flights from San Antonio to Washington Dulles Intl that may be offering flexible cancellation policies are United Airlines, Frontier, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from San Antonio to Washington Dulles Intl Airport for under $200 on Cheapflights?

Yes, there are multiple flights from San Antonio to Washington Dulles Intl Airport for under $200. The cheapest flight booked recently is on United Airlines for just $197, but on average you can expect to pay $224.

Are there nonstop flights from San Antonio to Washington Dulles Intl Airport for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from San Antonio to Washington Dulles Intl Airport under $200. A good price for a nonstop flight from San Antonio to Washington Dulles Intl Airport is less than $309.

Are there last-minute flights available from San Antonio to Washington Dulles Intl Airport for under $300?

There are currently 20+ open flights from San Antonio to Washington Dulles Intl Airport within the next 7 days for less than $300.

What days are nonstop flights available from San Antonio to Washington Dulles Intl Airport?

Nonstop flights can be found on the following days: Sunday, Monday, Thursday, Friday.

How many flights depart from San Antonio to Washington Dulles Intl Airport on average per day?

Per day, 12 flights depart from San Antonio to Washington Dulles Intl Airport on average.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from San Antonio to Washington Dulles Intl Airport?

United Airlines, Delta, and American Airlines can get you from San Antonio to Washington Dulles Intl Airport in just under 3h 04m. Your travel time can differ by up to 4h 27m. The distance between San Antonio and Washington Dulles Intl Airport is about 1368 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Cheapflights users have booked flights from San Antonio to Washington Dulles Intl Airport round-trip from $197. Other airlines that can offer you cheap pricing are Delta, from $215, and American Airlines, from $222. United Airlines is priced at 39% lower than the current average price of a flight leaving 3 months from now.

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

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $99. American Airlines flights start at $106 while deals on Delta start at $108 one-way.

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

The most popular airlines flying from San Antonio to Washington Dulles Intl Airport are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

What are the cheapest flights from San Antonio to Washington Dulles Intl Airport?

While on average a flight from San Antonio to Washington Dulles Intl Airport is generally $398, our data shows the cheapest flight currently is $108. When looking at the most popular route, (San Antonio - Washington Dulles Intl), you can expect to pay $225 for that flight.

What are the most reliable airlines from San Antonio to Washington Dulles Intl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Antonio to Washington Dulles Intl Airport on time: Air Canada (94%), Brussels Airlines (93%), Lufthansa (93%).

Related searches

Flights to Dulles Intl from San Antonio (SAT)
Flights to San Antonio Flights to Dulles Intl Flights from San Antonio Flights from Dulles Intl

Rent a Car

Car Rentals at Dulles Intl

COVID Restrictions

View COVID Travel Restrictions for Dulles Intl (IAD)

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

Information is based on travel restrictions for travel to Washington Dulles Intl within the United States

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

COVID-19 testing requirements
Visitors from San Antonio must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington Dulles Intl.

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

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

Returning to San Antonio from Washington Dulles Intl

COVID-19 testing requirements
Visitors from Washington Dulles Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Antonio.

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

Hide COVID Travel Restrictions for Dulles Intl (IAD)

Alternative routes for San Antonio to Dulles Intl

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

Destination information for Dulles Intl

Things to know before you go - useful duration and weather info for your trip from San Antonio to Dulles Intl.
Flight duration from SAT to Washington Dulles Intl
3h 26m
Average temperature for December in Dulles Intl
48.2 °F
Avg rainfall for December in Dulles Intl
3.2 ″

Airports servicing San Antonio

Airports servicing Washington

Top 4 airlines flying from San Antonio to Washington Dulles Intl

The chart below displays the airlines Cheapflights users traveling from San Antonio to Dulles Intl 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
Frontier
$70 $165 No cancel fee 62%
American Airlines
$110 $346 No cancel fee 71%
Delta
$162 $418 No cancel fee N/A
United Airlines
$202 $406 No cancel fee 69%

Hourly flight availability from San Antonio to Dulles Intl

See what time of day planes typically take off from San Antonio towards Dulles Intl.
Morning 6 AM to noon 100% of SAT to IAD departures
Early morning Midnight to 6 AM 0% of SAT to IAD departures
Afternoon Noon to 6 PM 0% of SAT to IAD departures
Evening 6 PM to midnight 0% of SAT to IAD departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Antonio to Dulles Intl
See how many times per day planes take to the skies headed from San Antonio to Dulles Intl.
Sunday
0 flights
Monday
4 daily flights
Tuesday
6 daily flights
Wednesday
4 daily flights
Thursday
4 daily flights
Friday
6 daily flights
Saturday
0 flights
Home North America USA Washington Dulles Intl Cheap flights from San Antonio to Dulles Intl