Cheap flights from Dulles Intl (IAD) to San Antonio (SAT) from $160

This is the cheapest one-way flight price, found on 5/31. Prices may vary by date and flight preferences.
IAD — SAT
Jun 6 — Jun 131

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 2023: compare Dulles Intl to San Antonio flight prices with the expected peak season, weather and rainfall in San Antonio.

Popular in

June

Cheapest in

April

Round-trip from

$299

One-way from

$229
High demand for flights, 17% potential price rise
Best time to find cheap flights, 19% potential price drop
From Washington, D.C. Dulles Intl to San Antonio
One-way flight from Washington, D.C. Dulles Intl to San Antonio

IAD - SAT

Price

$299 - $502

SAT

Temperature

51.8 - 84.2 °F

SAT

Rainfall

1.6 - 3.7 inches

Cheap flights from Dulles Intl to San Antonio in June, July 2023

The best prices found for IAD to SAT flights for June, July
These are some of the most attractive deals on flights from Washington, D.C. to San Antonio in 2023. Check back soon for alternative fares.

Dulles Intl to San Antonio 2023 flight deals

Cheap flights to San Antonio from Dulles Intl found for this year
These are some of the most attractive deals on flights from Washington, D.C. to San Antonio in 2023. Check back soon for alternative fares.

Cheap United Airlines flights from Dulles Intl to San Antonio

Take a look at some of the lowest-priced United Airlines flights heading from Washington, D.C. to San Antonio. Deals update often to give you more flight options matching your criteria

Cheap American Airlines flights from Dulles Intl to San Antonio

Some of the lowest-priced American Airlines flights we've found at this time heading from Washington, D.C. to San Antonio. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.

Non-stop flights to San Antonio from Dulles Intl

Save time with Dulles Intl to San Antonio direct flight deals
For a quicker trip, book one of these direct flights from Washington, D.C. to San Antonio. Search for alternative flights from Washington, D.C. to San Antonio by utilizing the search form above.

Last minute flights from Dulles Intl to San Antonio

Late deals on return flights to San Antonio from Dulles Intl, departing today and this week
Have a look at some of the flights available from Washington, D.C. to San Antonio departing last-minute. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to San Antonio from Dulles Intl

The cheapest one-way flights from Dulles Intl to San Antonio
Take a look at some of the one-way flights we've detected from Washington, D.C. to San Antonio. Users needing a return flight from Washington, D.C. to San Antonio should utilize the search form above.

Find flights from Dulles Intl to San Antonio within your budget

Use the slider to find flights from Dulles Intl to San Antonio that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$332 - $406

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSan Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 6/21

3 stops24h 23m

San Antonio

Wed 8/30

2 stops27h 12m

Washington, D.C. Dulles IntlSan Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Mon 8/14

1 stop18h 34m

San Antonio

Tue 8/22

1 stop14h 09m

Washington, D.C. Dulles IntlSan Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Mon 8/14

1 stop18h 34m

San Antonio

Tue 8/22

2 stops14h 23m

Washington, D.C. Dulles IntlSan Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 8/25

1 stop10h 34m

San Antonio

Tue 9/5

2 stops17h 10m

Washington, D.C. Dulles IntlSan Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 8/15

Nonstop3h 38m

San Antonio

Wed 8/16

Nonstop3h 21m

Washington, D.C. Dulles IntlSan Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Tue 8/15

1 stop5h 00m

San Antonio

Wed 8/16

1 stop5h 02m

Washington, D.C. Dulles IntlSan Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 6/21

3 stops24h 23m

San Antonio

Wed 8/30

3 stops27h 12m

Washington, D.C. Dulles IntlSan Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Wed 6/28

1 stop4h 57m

San Antonio

Wed 7/5

1 stop5h 04m

Washington, D.C. Dulles IntlSan Antonio

IAD - SAT

IADSAT

Washington, D.C. Dulles Intl

Fri 9/22

2 stops8h 41m

San Antonio

Mon 9/25

1 stop7h 49m

Flights are sorted by cheapest first

Deals found on 5/31

Reviews of Airlines Servicing San Antonio

Peruse reviews from past customers who have flown with United Airlines, American 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.
Delta
8.0
Very good
2,370 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Not one mishap. Surprisingly stress free especially compared how the awfulness of air travel rrce

Delta
8.0
Very good
2,370 reviews
Delta
8.0
Very good
2,370 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Not one mishap. Surprisingly stress free especially compared how the awfulness of air travel rrce

United Airlines
7.6
Good
1,531 reviews
Delta
8.0
Very good
2,370 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Not one mishap. Surprisingly stress free especially compared how the awfulness of air travel rrce

American Airlines
7.3
Good
2,149 reviews
Delta
8.0
Very good
2,370 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Not one mishap. Surprisingly stress free especially compared how the awfulness of air travel rrce

Related info for your journey

Useful info, stats and facts about Dulles Intl to San Antonio flights.

Alternative routes for Dulles Intl to San Antonio

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

Top 4 airlines flying from 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Spirit AirlinesCheapest$108Average$247FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
DeltaCheapest$299Average$460FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$310Average$539FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$313Average$464FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights

Hourly flight availability from Dulles Intl to San Antonio

See what time of day planes typically take off from Dulles Intl to San Antonio
0%of flight departuresEarly morningMidnight to 6 am
30%of flight departuresMorning6 am to noon
70%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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
Sunday5daily flights
Monday5daily flights
Tuesday5daily flights
Wednesday5daily flights
Thursday5daily flights
Friday5daily flights
Saturday2daily flights
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