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.

$128 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

Thu, Dec 24 - Fri, Jan 1

5:30 am - 10:11 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

5h 41m1 stop Atlanta Hartsfield-Jackson

6:05 am - 3:13 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

8h 08m1 stop Atlanta Hartsfield-Jackson

$237Frontier

Thu, Nov 12 - Sat, Nov 14

6:07 pm - 2:44 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

21h 37m1 stop Fort Lauderdale

8:18 am - 11:43 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

14h 25m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

$237Frontier

Sat, Jan 9 - Sat, Jan 16

3:59 pm - 10:58 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

7h 59m1 stop Fort Lauderdale

1:15 pm - 9:16 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

7h 01m1 stop Fort Lauderdale

$237JetBlue

Thu, Nov 19 - Wed, Nov 25

1:00 pm - 9:45 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

9h 45m1 stop Denver Intl

10:59 pm - 12:59 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

13h 00m1 stop Denver Intl

$237Frontier

Thu, Dec 3 - Mon, Dec 7

12:55 pm - 3:32 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

$243United Airlines

Thu, Nov 26 - Thu, Dec 3

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

3h 36mnonstop

2:20 pm - 6:23 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 03mnonstop

$243United Airlines

Mon, Dec 7 - Wed, Dec 9

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

3h 41mnonstop

5:10 pm - 9:17 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 07mnonstop

$243American Airlines

Sat, Dec 5 - Mon, Dec 7

5:49 pm - 8:30 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 41mnonstop

5:10 pm - 9:17 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 07mnonstop

$243American Airlines

Thu, Nov 12 - Tue, Nov 17

5:20 pm - 11:50 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

19h 30m1 stop Fort Lauderdale

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

9h 07m1 stop Denver Intl

$249Multiple Airlines

Thu, Feb 4 - Wed, Feb 24

7:55 am - 10:58 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

16h 03m1 stop Fort Lauderdale

5:51 pm - 11:27 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

28h 36m1 stop Fort Lauderdale

$250JetBlue

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

Wed, Nov 4 - Tue, Nov 10

8:05 am - 2:44 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

7h 39m1 stop Atlanta Hartsfield-Jackson

6:00 am - 5:12 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 12m1 stop Atlanta Hartsfield-Jackson

$239Frontier

Thu, Nov 5 - Sat, Nov 7

6:07 pm - 2:44 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

21h 37m1 stop Fort Lauderdale

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

10h 53m1 stop Fort Lauderdale

$242Frontier

Thu, Nov 5 - Tue, Nov 10

6:07 pm - 2:44 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

21h 37m1 stop Fort Lauderdale

6:00 am - 5:12 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 12m1 stop Atlanta Hartsfield-Jackson

$248Frontier

Tue, Nov 3 - Wed, Nov 11

6:00 pm - 12:42 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

7h 42m1 stop Denver Intl

4:55 pm - 2:59 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

21h 04m1 stop Fort Lauderdale

$312Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

7:50 am - 10:59 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

16h 09m1 stop Fort Lauderdale

5:46 pm - 11:24 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

28h 38m1 stop Fort Lauderdale

$331JetBlue

Mon, Nov 2 - Mon, Nov 9

7:50 am - 4:56 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

10h 06m1 stop Fort Lauderdale

12:45 pm - 11:24 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

9h 39m1 stop Fort Lauderdale

$333JetBlue

Mon, Nov 2 - Wed, Dec 2

2:38 pm - 5:15 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

$401United Airlines

Mon, Nov 2 - Wed, Dec 2

12:50 pm - 3:29 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 39mnonstop

6:10 pm - 10:09 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

2h 59mnonstop

$401United Airlines

Mon, Nov 2 - Wed, Dec 2

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

6h 17m1 stop Philadelphia

10:14 am - 2:19 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 05mnonstop

$411American Airlines

Mon, Nov 2 - Sat, Nov 7

5:15 pm - 10:44 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

6h 29m1 stop Charlotte Douglas

8:57 am - 3:48 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

5h 51m1 stop Dallas/Fort Worth

$544American Airlines

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

Thu, Dec 3 - Mon, Dec 7

12:55 pm - 3:32 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

$243United Airlines

Thu, Nov 26 - Thu, Dec 3

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

3h 36mnonstop

2:20 pm - 6:23 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 03mnonstop

$243United Airlines

Mon, Dec 7 - Wed, Dec 9

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

3h 41mnonstop

5:10 pm - 9:17 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 07mnonstop

$243American Airlines

Sat, Dec 5 - Mon, Dec 7

5:49 pm - 8:30 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 41mnonstop

5:10 pm - 9:17 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 07mnonstop

$243American Airlines

Mon, Nov 23 - Tue, Dec 1

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

3h 36mnonstop

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

3h 04mnonstop

$243United Airlines

Wed, Nov 18 - Wed, Nov 25

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

3h 37mnonstop

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

3h 04mnonstop

$243United Airlines

Wed, Dec 2 - Tue, Dec 8

6:00 am - 8:36 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 36mnonstop

7:20 am - 11:26 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 06mnonstop

$243United Airlines

Tue, Dec 1 - Sat, Dec 5

6:00 am - 8:36 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 36mnonstop

7:20 am - 11:26 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 06mnonstop

$243United Airlines

Wed, Dec 2 - Sat, Dec 5

6:00 am - 8:36 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 36mnonstop

7:20 am - 11:26 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 06mnonstop

$243United Airlines

Tue, Dec 1 - Mon, Dec 7

5:52 pm - 8:28 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 36mnonstop

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

3h 04mnonstop

$243United Airlines

Useful Info

Low season	September
High season	March
Cheapest flight	$128

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.