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

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 Houston.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston 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 Houston?

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 Houston 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 Houston?

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 Houston from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$124 CHEAP FLIGHTS from District of Columbia to Houston (IAH)

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Flight Deals

Cheap Flights from District of Columbia to George Bush Intcntl

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 George Bush Intcntl

Fri, Nov 20 - Tue, Dec 1

6:50 am - 5:14 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 24m1 stop Atlanta Hartsfield-Jackson

5:01 pm - 9:46 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

27h 45m1 stop Fort Lauderdale

$232Frontier

Fri, Nov 13 - Sun, Nov 15

9:06 pm - 7:23 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 17m1 stop Atlanta Hartsfield-Jackson

8:35 pm - 10:21 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

12h 46m1 stop Orlando

$232Frontier

Wed, Oct 21 - Sat, Oct 24

9:06 pm - 7:19 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 13m1 stop Atlanta Hartsfield-Jackson

1:28 pm - 12:21 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

9h 53m1 stop Atlanta Hartsfield-Jackson

$232Frontier

Fri, Oct 30 - Sun, Nov 1

9:06 pm - 7:23 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 17m1 stop Atlanta Hartsfield-Jackson

8:35 pm - 5:56 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

20h 21m2 stops Orlando Blountville Tri Cities TN/VA

$239Multiple Airlines

Tue, Oct 27 - Wed, Oct 28

10:39 am - 6:33 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

8h 54m1 stop Boston Logan Intl

12:44 pm - 11:24 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

9h 40m1 stop Fort Lauderdale

$242JetBlue

Tue, Nov 3 - Sat, Nov 7

6:00 am - 8:37 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 37mnonstop

8:38 pm - 12:37 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

2h 59mnonstop

$243United Airlines

Thu, Oct 29 - Mon, Nov 2

6:00 am - 8:37 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 37mnonstop

8:38 pm - 12:37 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

2h 59mnonstop

$243United Airlines

Sat, Jan 16 - Tue, Jan 26

4:59 pm - 7:50 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 51mnonstop

10:28 am - 2:34 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 06mnonstop

$243American Airlines

Thu, Nov 5 - Sat, Nov 7

7:29 am - 10:05 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 36mnonstop

6:50 am - 10:59 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$243American Airlines

Wed, Nov 4 - Wed, Nov 11

12:00 pm - 6:04 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

7h 04m1 stop Boston Logan Intl

12:45 pm - 9:08 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

7h 23m1 stop Fort Lauderdale

$245JetBlue

Recent last minute flight deals from District of Columbia to George Bush Intcntl

Sat, Oct 10 - Thu, Oct 29

11:12 am - 9:38 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 26m1 stop Orlando

8:18 am - 8:11 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 53m1 stop Fort Lauderdale

$256Frontier

Mon, Oct 12 - Tue, Nov 10

11:12 am - 9:38 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 26m1 stop Orlando

9:50 pm - 5:12 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

18h 22m2 stops Los Angeles Atlanta Hartsfield-Jackson

$259Frontier

Wed, Oct 14 - Wed, Oct 21

9:06 pm - 7:19 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 13m1 stop Atlanta Hartsfield-Jackson

12:07 pm - 12:21 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

11h 14m1 stop Atlanta Hartsfield-Jackson

$262Frontier

Mon, Oct 12 - Wed, Oct 28

7:00 am - 9:36 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

27h 36m1 stop Denver Intl

12:44 pm - 11:24 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

9h 40m1 stop Fort Lauderdale

$358Multiple Airlines

Sat, Oct 10 - Thu, Oct 29

3:02 pm - 5:18 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 16mnonstop

6:40 pm - 10:44 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 04mnonstop

$399United Airlines

Mon, Oct 12 - Tue, Nov 10

6:15 am - 8:27 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 12mnonstop

4:45 pm - 8:49 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 04mnonstop

$413United Airlines

Mon, Oct 12 - Wed, Oct 28

7:29 am - 10:05 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 36mnonstop

7:04 am - 11:14 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 10mnonstop

$413American Airlines

Mon, Oct 12 - Wed, Oct 28

5:27 pm - 10:29 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

6h 02m1 stop Charlotte Douglas

5:17 pm - 9:31 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 14mnonstop

$423American Airlines

Thu, Oct 15 - Wed, Oct 21

10:25 am - 9:42 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

24h 17m2 stops Minneapolis St Paul Phoenix Sky Harbor Intl

9:12 pm - 10:17 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

12h 05m2 stops Atlanta Hartsfield-Jackson Orlando

$423Multiple Airlines

Thu, Oct 15 - Wed, Oct 21

10:25 am - 9:42 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

24h 17m2 stops Minneapolis St Paul Phoenix Sky Harbor Intl

9:12 pm - 10:17 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

12h 05m2 stops Atlanta Hartsfield-Jackson Orlando

$439Multiple Airlines

Recent direct flight deals from District of Columbia to George Bush Intcntl

Sat, Jan 16 - Tue, Jan 26

4:59 pm - 7:50 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 51mnonstop

10:28 am - 2:34 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 06mnonstop

$243American Airlines

Tue, Oct 27 - Wed, Oct 28

7:45 pm - 10:18 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 33mnonstop

10:30 am - 2:41 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 11mnonstop

$243American Airlines

Wed, Nov 11 - Tue, Nov 17

6:00 am - 8:31 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 31mnonstop

4:55 pm - 8:57 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 02mnonstop

$243United Airlines

Thu, Nov 5 - Thu, Nov 12

6:00 am - 8:31 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 31mnonstop

2:33 pm - 6:32 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

2h 59mnonstop

$243United Airlines

Sat, Nov 7 - Wed, Nov 11

5:42 pm - 8:20 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 38mnonstop

10:25 am - 2:34 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$243American Airlines

Mon, Jan 25 - Tue, Mar 2

12:59 pm - 3:50 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 51mnonstop

4:32 pm - 8:58 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 26mnonstop

$243American Airlines

Sat, Oct 31 - Sat, Nov 7

1:40 pm - 4:18 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 38mnonstop

6:50 am - 10:59 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$243American Airlines

Thu, Nov 5 - Sat, Nov 7

7:29 am - 10:05 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 36mnonstop

6:50 am - 10:59 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$243American Airlines

Wed, Nov 18 - Thu, Nov 19

7:45 pm - 10:21 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 36mnonstop

7:01 am - 11:09 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 08mnonstop

$243American Airlines

Thu, Dec 17 - Mon, Dec 21

7:29 am - 10:00 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 31mnonstop

10:37 am - 2:49 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 12mnonstop

$243American Airlines

Useful Info

Low season	September
High season	March
Cheapest flight	$124

Best time to beat the crowds but there is an average 13% increase in price.

Most popular time to fly with an average 6% increase in price.

Flight from Washington Dulles Airport to Houston George Bush Airport

How does KAYAK find such low prices on flights from District of Columbia to Houston?
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 Houston.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Houston?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston 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 Houston?
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 Houston 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 Houston?
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 Houston from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.