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.

$135 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

Tue, Nov 24 - Tue, Dec 1

1:09 pm - 11:27 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

23h 18m1 stop Las Vegas Harry Reid Intl

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

27h 45m1 stop Fort Lauderdale

$248Frontier

Mon, Nov 9 - Thu, Nov 12

6:00 pm - 9:52 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

16h 52m1 stop Denver Intl

6:40 am - 4:47 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

9h 07m1 stop Denver Intl

$248Frontier

Sat, Nov 7 - Tue, Nov 10

6:00 pm - 9:52 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

16h 52m1 stop Denver Intl

6:40 am - 4:47 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

9h 07m1 stop Denver Intl

$248Frontier

Wed, Nov 11 - Tue, Nov 17

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

$249JetBlue

Tue, Dec 15 - Thu, Dec 17

6:00 am - 12:18 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

7h 18m1 stop Fort Lauderdale

12:59 pm - 9:18 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

7h 19m1 stop Fort Lauderdale

$255JetBlue

Wed, Feb 10 - Thu, Feb 11

12:50 pm - 3:33 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 43mnonstop

6:28 pm - 10:36 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 08mnonstop

$255United Airlines

Mon, Nov 9 - Mon, Nov 9

8:34 am - 11:10 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 36mnonstop

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

2h 59mnonstop

$255United Airlines

Mon, Jan 11 - Tue, Jan 12

8:59 pm - 11:50 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 51mnonstop

4:22 pm - 8:29 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 07mnonstop

$255American Airlines

Tue, Nov 10 - Wed, Nov 11

1:57 pm - 4:35 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

$255American Airlines

Wed, Dec 16 - Thu, Dec 17

6:00 am - 12:18 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

7h 18m1 stop Fort Lauderdale

12:59 pm - 9:18 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

7h 19m1 stop Fort Lauderdale

$255JetBlue

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

Sat, Oct 24 - Sat, Nov 7

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

11h 26m1 stop Orlando

1:31 pm - 11:43 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

9h 12m1 stop Atlanta Hartsfield-Jackson

$249Frontier

Thu, Oct 22 - Wed, Nov 4

6:08 pm - 2:48 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

21h 40m1 stop Fort Lauderdale

12:19 pm - 11:43 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 24m1 stop Atlanta Hartsfield-Jackson

$263Frontier

Sat, Oct 24 - Sat, Nov 14

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

$275Frontier

Sun, Oct 25 - Wed, Oct 28

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

11h 13m1 stop Atlanta Hartsfield-Jackson

9:43 pm - 2:45 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

40h 02m2 stops Denver Intl Valparaiso Destin-Ft Walton Beach

$445Multiple Airlines

Sat, Oct 24 - Sat, Nov 14

6:15 am - 1:12 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

7h 57m2 stops Charlotte Douglas Dallas/Fort Worth

7:00 am - 3:48 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

7h 48m1 stop Dallas/Fort Worth

$487American Airlines

Fri, Oct 23 - Fri, Nov 6

12:52 pm - 3:13 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 21mnonstop

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

2h 59mnonstop

$491United Airlines

Thu, Oct 22 - Sat, Oct 24

2:15 pm - 12:40 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 25m2 stops Minneapolis St Paul Denver Intl

8:14 am - 8:11 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 57m1 stop Fort Lauderdale

$522Multiple Airlines

Tue, Oct 20 - Thu, Oct 22

6:08 pm - 2:48 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

21h 40m1 stop Fort Lauderdale

9:12 pm - 6:26 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

20h 14m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$531Multiple Airlines

Tue, Oct 20 - Tue, Nov 3

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

3h 38mnonstop

5:20 pm - 9:30 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 10mnonstop

$540American Airlines

Tue, Oct 20 - Tue, Oct 27

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

3h 12mnonstop

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

2h 59mnonstop

$575United Airlines

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

Mon, Jan 11 - Tue, Jan 12

8:59 pm - 11:50 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 51mnonstop

4:22 pm - 8:29 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 07mnonstop

$255American Airlines

Tue, Nov 10 - Wed, Nov 11

1:57 pm - 4:35 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

$255American Airlines

Wed, Feb 10 - Thu, Feb 11

4:32 pm - 7:10 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 38mnonstop

6:10 pm - 10:12 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 02mnonstop

$255United Airlines

Mon, Nov 9 - Mon, Nov 9

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

$255United Airlines

Mon, Dec 7 - Tue, Dec 8

7:59 pm - 10:37 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 38mnonstop

8:54 am - 1:00 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 06mnonstop

$255American Airlines

Wed, Feb 10 - Thu, Feb 11

12:50 pm - 3:33 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 43mnonstop

6:28 pm - 10:36 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 08mnonstop

$255United Airlines

Mon, Nov 9 - Mon, Nov 9

8:34 am - 11:10 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 36mnonstop

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

2h 59mnonstop

$255United Airlines

Tue, Nov 10 - Thu, Nov 12

2:38 pm - 5:15 pmIAD 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

$255United Airlines

Mon, Dec 7 - Tue, Dec 8

2:24 pm - 5:01 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 37mnonstop

6:38 pm - 10:42 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 04mnonstop

$255United Airlines

Thu, Nov 12 - Thu, Nov 19

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

3h 36mnonstop

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

3h 06mnonstop

$263American Airlines

Useful Info

Low season	September
High season	March
Cheapest flight	$135

Best time to beat the crowds but there is an average 11% increase in price.

Most popular time to fly with an average 4% 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.