How does KAYAK find such low prices on flights from District of Columbia to San Antonio?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to San Antonio.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to San Antonio?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from District of Columbia to San Antonio?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Antonio with an airline and back to District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to San Antonio?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Antonio from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$145 CHEAP FLIGHTS from District of Columbia to San Antonio

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Flight Deals

Cheap Flights from District of Columbia to San Antonio

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from District of Columbia to San Antonio

Thu, Dec 17 - Thu, Dec 31

8:51 pm - 10:53 amIAD Washington, D.C. Dulles Intl-SAT San Antonio

15h 02m1 stop Las Vegas Harry Reid Intl

1:34 pm - 6:07 amSAT San Antonio-IAD Washington, D.C. Dulles Intl

15h 33m1 stop Las Vegas Harry Reid Intl

$289Frontier

Mon, Feb 15 - Thu, Feb 18

8:15 am - 11:11 amIAD Washington, D.C. Dulles Intl-SAT San Antonio

3h 56mnonstop

12:17 pm - 4:35 pmSAT San Antonio-IAD Washington, D.C. Dulles Intl

3h 18mnonstop

$289United Airlines

Thu, Dec 3 - Sun, Dec 6

10:11 am - 5:31 pmIAD Washington, D.C. Dulles Intl-SAT San Antonio

8h 20m1 stop Atlanta Hartsfield-Jackson

6:37 pm - 12:41 amSAT San Antonio-IAD Washington, D.C. Dulles Intl

5h 04m1 stop Atlanta Hartsfield-Jackson

$292Delta

Thu, Dec 3 - Sun, Dec 6

10:11 am - 5:31 pmIAD Washington, D.C. Dulles Intl-SAT San Antonio

8h 20m1 stop Atlanta Hartsfield-Jackson

6:37 pm - 12:41 amSAT San Antonio-IAD Washington, D.C. Dulles Intl

5h 04m1 stop Atlanta Hartsfield-Jackson

$292Delta

Fri, Dec 11 - Sun, Dec 13

5:30 pm - 8:30 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

4h 00mnonstop

6:08 am - 10:18 amSAT San Antonio-DCA Washington, D.C. Reagan-National

3h 10mnonstop

$292American Airlines

Fri, Dec 4 - Mon, Dec 7

5:30 pm - 8:30 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

4h 00mnonstop

6:08 am - 10:18 amSAT San Antonio-DCA Washington, D.C. Reagan-National

3h 10mnonstop

$292American Airlines

Thu, Dec 24 - Thu, Dec 24

6:05 am - 12:15 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

7h 10m1 stop Houston Hobby

4:30 pm - 10:55 pmSAT San Antonio-DCA Washington, D.C. Reagan-National

5h 25m1 stop Orlando

$292Southwest

Wed, Feb 24 - Sat, Feb 27

6:00 am - 12:15 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

7h 15m1 stop Houston Hobby

9:50 am - 3:30 pmSAT San Antonio-DCA Washington, D.C. Reagan-National

4h 40m1 stop Dallas Love Field

$292Southwest

Sun, Nov 22 - Tue, Nov 24

1:09 pm - 9:16 pmIAD Washington, D.C. Dulles Intl-SAT San Antonio

9h 07m1 stop Las Vegas Harry Reid Intl

10:11 pm - 5:10 amSAT San Antonio-IAD Washington, D.C. Dulles Intl

29h 59m1 stop Las Vegas Harry Reid Intl

$292Frontier

Fri, Dec 4 - Fri, Jan 8

8:35 am - 3:04 pmIAD Washington, D.C. Dulles Intl-SAT San Antonio

7h 29m1 stop Newark

5:15 am - 11:25 amSAT San Antonio-IAD Washington, D.C. Dulles Intl

5h 10m1 stop Houston George Bush Intcntl

$292United Airlines

Recent last minute flight deals from District of Columbia to San Antonio

Sat, Oct 31 - Wed, Nov 4

6:00 pm - 8:25 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

27h 25m1 stop Denver Intl

8:20 pm - 9:50 pmSAT San Antonio-DCA Washington, D.C. Reagan-National

24h 30m1 stop Denver Intl

$318Frontier

Sat, Oct 31 - Tue, Nov 3

1:00 pm - 7:25 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

7h 25m1 stop Denver Intl

8:20 pm - 9:50 pmSAT San Antonio-DCA Washington, D.C. Reagan-National

24h 30m1 stop Denver Intl

$326Frontier

Sat, Oct 31 - Sat, Nov 14

6:15 am - 2:52 pmIAD Washington, D.C. Dulles Intl-SAT San Antonio

9h 37m2 stops Charlotte Douglas Dallas/Fort Worth

2:55 pm - 11:30 pmSAT San Antonio-IAD Washington, D.C. Dulles Intl

7h 35m1 stop Dallas/Fort Worth

$452American Airlines

Sat, Oct 31 - Sat, Nov 14

1:23 pm - 10:57 pmIAD Washington, D.C. Dulles Intl-SAT San Antonio

10h 34m2 stops Charlotte Douglas Dallas/Fort Worth

2:55 pm - 11:30 pmSAT San Antonio-IAD Washington, D.C. Dulles Intl

7h 35m1 stop Dallas/Fort Worth

$452American Airlines

Sun, Nov 1 - Wed, Dec 2

4:05 pm - 11:25 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

8h 20m2 stops Omaha Eppley Airfield Dallas Love Field

12:20 pm - 6:50 pmSAT San Antonio-DCA Washington, D.C. Reagan-National

5h 30m1 stop Tampa

$474Southwest

Sun, Nov 1 - Tue, Dec 1

4:05 pm - 11:25 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

8h 20m2 stops Omaha Eppley Airfield Dallas Love Field

2:40 pm - 11:20 pmSAT San Antonio-DCA Washington, D.C. Reagan-National

7h 40m1 stop Chicago Midway

$478Southwest

Sat, Oct 31 - Sat, Nov 14

6:12 pm - 11:26 pmIAD Washington, D.C. Dulles Intl-SAT San Antonio

6h 14m1 stop Atlanta Hartsfield-Jackson

6:30 am - 1:54 pmSAT San Antonio-IAD Washington, D.C. Dulles Intl

6h 24m1 stop Atlanta Hartsfield-Jackson

$484Delta

Sat, Oct 31 - Sat, Nov 14

6:12 pm - 11:26 pmIAD Washington, D.C. Dulles Intl-SAT San Antonio

6h 14m1 stop Atlanta Hartsfield-Jackson

6:30 am - 1:54 pmSAT San Antonio-IAD Washington, D.C. Dulles Intl

6h 24m1 stop Atlanta Hartsfield-Jackson

$504Delta

Wed, Oct 28 - Sat, Nov 14

8:25 am - 11:18 amIAD Washington, D.C. Dulles Intl-SAT San Antonio

3h 53mnonstop

7:00 am - 11:13 amSAT San Antonio-IAD Washington, D.C. Dulles Intl

3h 13mnonstop

$513United Airlines

Wed, Oct 28 - Sat, Nov 14

6:00 am - 10:46 amIAD Washington, D.C. Dulles Intl-SAT San Antonio

5h 46m1 stop Houston George Bush Intcntl

12:24 pm - 4:35 pmSAT San Antonio-IAD Washington, D.C. Dulles Intl

3h 11mnonstop

$523United Airlines

Recent direct flight deals from District of Columbia to San Antonio

Mon, Feb 15 - Thu, Feb 18

8:15 am - 11:11 amIAD Washington, D.C. Dulles Intl-SAT San Antonio

3h 56mnonstop

12:17 pm - 4:35 pmSAT San Antonio-IAD Washington, D.C. Dulles Intl

3h 18mnonstop

$289United Airlines

Fri, Dec 11 - Sun, Dec 13

5:30 pm - 8:30 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

4h 00mnonstop

6:08 am - 10:18 amSAT San Antonio-DCA Washington, D.C. Reagan-National

3h 10mnonstop

$292American Airlines

Fri, Dec 4 - Mon, Dec 7

5:30 pm - 8:30 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

4h 00mnonstop

6:08 am - 10:18 amSAT San Antonio-DCA Washington, D.C. Reagan-National

3h 10mnonstop

$292American Airlines

Thu, Dec 17 - Mon, Dec 21

8:20 am - 11:22 amIAD Washington, D.C. Dulles Intl-SAT San Antonio

4h 02mnonstop

12:25 pm - 4:35 pmSAT San Antonio-IAD Washington, D.C. Dulles Intl

3h 10mnonstop

$301United Airlines

Mon, Feb 15 - Fri, Feb 26

8:15 am - 11:11 amIAD Washington, D.C. Dulles Intl-SAT San Antonio

3h 56mnonstop

7:05 am - 11:23 amSAT San Antonio-IAD Washington, D.C. Dulles Intl

3h 18mnonstop

$302United Airlines

Wed, Dec 16 - Mon, Dec 21

5:55 pm - 8:49 pmIAD Washington, D.C. Dulles Intl-SAT San Antonio

3h 54mnonstop

12:25 pm - 4:35 pmSAT San Antonio-IAD Washington, D.C. Dulles Intl

3h 10mnonstop

$308United Airlines

Wed, Dec 16 - Mon, Dec 21

5:55 pm - 8:49 pmIAD Washington, D.C. Dulles Intl-SAT San Antonio

3h 54mnonstop

12:25 pm - 4:35 pmSAT San Antonio-IAD Washington, D.C. Dulles Intl

3h 10mnonstop

$311United Airlines

Fri, Nov 20 - Mon, Nov 23

8:25 am - 11:18 amIAD Washington, D.C. Dulles Intl-SAT San Antonio

3h 53mnonstop

7:00 am - 11:13 amSAT San Antonio-IAD Washington, D.C. Dulles Intl

3h 13mnonstop

$312United Airlines

Fri, Dec 25 - Thu, Dec 31

8:20 am - 11:22 amIAD Washington, D.C. Dulles Intl-SAT San Antonio

4h 02mnonstop

7:10 am - 11:20 amSAT San Antonio-IAD Washington, D.C. Dulles Intl

3h 10mnonstop

$314United Airlines

Fri, Dec 11 - Sun, Dec 13

5:30 pm - 8:30 pmDCA Washington, D.C. Reagan-National-SAT San Antonio

4h 00mnonstop

6:08 am - 10:18 amSAT San Antonio-DCA Washington, D.C. Reagan-National

3h 10mnonstop

$317American Airlines

Useful Info

Low season	January
High season	December
Cheapest flight	$145

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly and prices are also 5% lower on average.

Flight from Reagan Washington National Airport to San Antonio

How does KAYAK find such low prices on flights from District of Columbia to San Antonio?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to San Antonio.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to San Antonio?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from District of Columbia to San Antonio?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Antonio with an airline and back to District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to San Antonio?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Antonio from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.