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.

$119 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, Oct 27 - Thu, Nov 5

7:00 am - 12:42 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

18h 42m1 stop Denver Intl

10:40 pm - 9:50 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

22h 10m1 stop Denver Intl

$230Frontier

Tue, Oct 13 - Thu, Oct 15

7:00 am - 12:40 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

18h 40m1 stop Denver Intl

10:40 pm - 9:59 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

22h 19m1 stop Denver Intl

$230Frontier

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

12h 46m1 stop Orlando

$231Frontier

Wed, Nov 18 - Tue, Nov 24

6:00 am - 11:50 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

6h 50m1 stop Fort Lauderdale

1:30 pm - 9:08 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

6h 38m1 stop Fort Lauderdale

$236JetBlue

Fri, Nov 20 - Sun, Nov 22

6:36 pm - 9:24 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

15h 48m2 stops Blountville Tri Cities TN/VA Orlando

9:14 pm - 12:14 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

14h 00m1 stop Atlanta Hartsfield-Jackson

$236Multiple Airlines

Fri, Oct 16 - Sun, Oct 18

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

11h 13m1 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

$236Multiple Airlines

Sat, Oct 10 - Sat, Oct 17

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

3h 16mnonstop

4:56 pm - 9:07 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 11mnonstop

$243United Airlines

Sat, Dec 5 - Wed, Dec 9

6:00 am - 8:36 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

Sat, Dec 5 - Wed, Dec 9

5:42 pm - 8:20 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

$243American Airlines

Wed, Oct 21 - Tue, Oct 27

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

3h 36mnonstop

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

3h 14mnonstop

$243American Airlines

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

Tue, Sep 22 - Tue, Oct 6

11:12 am - 9:14 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 02m1 stop Orlando

6:28 am - 5:18 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

9h 50m1 stop Atlanta Hartsfield-Jackson

$261Frontier

Sat, Sep 26 - Thu, Oct 29

9:04 pm - 7:17 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 13m1 stop Atlanta Hartsfield-Jackson

6:05 am - 5:12 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 07m1 stop Atlanta Hartsfield-Jackson

$278Frontier

Wed, Sep 23 - Wed, Oct 7

11:12 am - 9:14 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 02m1 stop Orlando

8:25 am - 8:09 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 44m1 stop Fort Lauderdale

$282Frontier

Wed, Sep 23 - Wed, Oct 7

7:35 am - 9:57 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 22mnonstop

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

3h 10mnonstop

$410American Airlines

Wed, Sep 23 - Wed, Oct 7

3:12 pm - 7:24 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

5h 12m1 stop Charlotte Douglas

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

3h 14mnonstop

$420American Airlines

Sat, Sep 26 - Thu, Oct 29

2:00 pm - 4:24 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 24mnonstop

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

3h 14mnonstop

$440American Airlines

Sat, Sep 26 - Sun, Oct 4

6:00 pm - 12:43 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

7h 43m1 stop Denver Intl

6:15 am - 9:57 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

26h 42m2 stops Fort Lauderdale Orlando

$474Multiple Airlines

Tue, Sep 22 - Sun, Oct 4

6:00 pm - 12:43 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

7h 43m1 stop Denver Intl

6:15 am - 9:57 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

26h 42m2 stops Fort Lauderdale Orlando

$484Multiple Airlines

Sat, Sep 26 - Sat, Sep 26

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

3h 21mnonstop

6:29 pm - 2:40 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

19h 11m1 stop Fort Myers SW Florida Intl

$544United Airlines

Wed, Sep 23 - Sat, Sep 26

12:45 pm - 3:05 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 20mnonstop

8:20 pm - 12:30 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 10mnonstop

$549United Airlines

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

Sat, Dec 5 - Wed, Dec 9

5:42 pm - 8:20 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

$243American Airlines

Wed, Nov 11 - Sat, Nov 14

1:57 pm - 4:35 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

Sat, Nov 7 - Tue, Nov 10

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

3h 39mnonstop

7:45 am - 11:47 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 02mnonstop

$243United Airlines

Wed, Oct 14 - Sat, Oct 17

7:30 pm - 9:48 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 18mnonstop

4:40 pm - 8:50 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 10mnonstop

$243United Airlines

Wed, Oct 21 - Tue, Oct 27

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

3h 36mnonstop

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

3h 14mnonstop

$243American Airlines

Wed, Oct 7 - Tue, Oct 13

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

3h 38mnonstop

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

3h 14mnonstop

$243American Airlines

Wed, Nov 11 - Sat, Nov 14

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

3h 31mnonstop

6:13 pm - 10:15 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 02mnonstop

$243United Airlines

Wed, Oct 28 - Wed, Nov 4

10:58 am - 1:35 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 37mnonstop

7:45 am - 11:47 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 02mnonstop

$243United Airlines

Sat, Oct 10 - Sat, Oct 17

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

3h 16mnonstop

4:56 pm - 9:07 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 11mnonstop

$243United Airlines

Sat, Dec 5 - Wed, Dec 9

6:00 am - 8:36 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

Useful Info

Low season	September
High season	March
Cheapest flight	$119

Best time to beat the crowds but there is an average 6% 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.