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.

$125 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

Sat, Oct 31 - Sun, Nov 1

9:06 pm - 8:23 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

12h 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

$235Frontier

Thu, Oct 15 - 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 - 12:21 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

26h 46m2 stops Orlando Atlanta Hartsfield-Jackson

$236Frontier

Thu, Oct 22 - Sun, Oct 25

7:54 am - 10:23 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

15h 29m1 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

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

Mon, Nov 23 - Thu, Dec 3

6:50 am - 1:53 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

8h 03m1 stop Atlanta Hartsfield-Jackson

9:41 am - 5:45 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

7h 04m1 stop Atlanta Hartsfield-Jackson

$236Frontier

Thu, Nov 12 - Tue, Nov 17

7:50 am - 4:05 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

9h 15m1 stop Fort Lauderdale

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

7h 23m1 stop Fort Lauderdale

$238JetBlue

Thu, Feb 4 - Sun, Feb 7

1:00 pm - 3:12 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 12mnonstop

7:30 am - 4:14 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

7h 44m1 stop Newark

$257United Airlines

Mon, Oct 19 - Tue, Oct 20

10:18 pm - 12:30 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 12mnonstop

2:51 pm - 7:02 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 11mnonstop

$297United Airlines

Thu, Nov 5 - Tue, Nov 10

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

3h 36mnonstop

7:50 am - 11:59 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$297American Airlines

Sat, Nov 7 - Tue, Nov 10

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

3h 38mnonstop

7:50 am - 11:59 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$297American Airlines

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

Fri, Oct 2 - Wed, Oct 14

6:00 am - 2:50 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

9h 50m1 stop Las Vegas Harry Reid Intl

6:05 am - 5:13 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 08m1 stop Atlanta Hartsfield-Jackson

$261Frontier

Tue, Sep 29 - Tue, Oct 13

6:13 pm - 3:17 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

22h 04m1 stop Fort Lauderdale

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

10h 57m1 stop Fort Lauderdale

$273Frontier

Thu, Oct 1 - Mon, Nov 2

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

11h 13m1 stop Atlanta Hartsfield-Jackson

9:14 pm - 5:12 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

18h 58m1 stop Atlanta Hartsfield-Jackson

$279Frontier

Tue, Sep 29 - Tue, Oct 13

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

3h 22mnonstop

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

3h 14mnonstop

$419American Airlines

Tue, Sep 29 - Tue, Oct 13

5:01 pm - 10:30 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

6h 29m1 stop Dallas/Fort Worth

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

3h 11mnonstop

$429American Airlines

Tue, Sep 29 - Tue, Oct 13

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

7h 43m1 stop Denver Intl

11:25 am - 3:59 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

27h 34m2 stops Fort Lauderdale Orlando

$430Multiple Airlines

Thu, Oct 1 - Mon, Nov 2

8:37 pm - 10:58 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 21mnonstop

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

3h 10mnonstop

$440American Airlines

Tue, Sep 29 - Tue, Oct 13

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

3h 21mnonstop

7:20 am - 11:28 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 08mnonstop

$455United Airlines

Thu, Oct 1 - Mon, Nov 2

10:18 pm - 12:30 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 12mnonstop

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

3h 04mnonstop

$455United Airlines

Mon, Sep 28 - Sun, Oct 4

6:36 pm - 10:30 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

28h 54m2 stops Orlando Atlanta Hartsfield-Jackson

6:08 am - 5:18 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 10m1 stop Atlanta Hartsfield-Jackson

$494Multiple Airlines

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

Thu, Nov 5 - Tue, Nov 10

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

3h 36mnonstop

7:50 am - 11:59 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$297American Airlines

Sat, Nov 7 - Tue, Nov 10

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

3h 38mnonstop

7:50 am - 11:59 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$297American Airlines

Sat, Dec 12 - Mon, Dec 14

6:05 am - 8:40 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 35mnonstop

5:00 pm - 8:59 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

2h 59mnonstop

$297United Airlines

Wed, Oct 21 - Thu, Oct 29

10:59 am - 1:19 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 20mnonstop

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

2h 59mnonstop

$297United Airlines

Sat, Oct 31 - Mon, Nov 2

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

3h 38mnonstop

7:00 am - 11:09 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$297American 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

$297American Airlines

Sat, Dec 12 - Tue, Dec 15

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

$297American Airlines

Tue, Oct 20 - Wed, Oct 21

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

3h 33mnonstop

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

3h 14mnonstop

$297American Airlines

Thu, Nov 5 - Mon, Nov 9

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

3h 36mnonstop

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

3h 09mnonstop

$297American Airlines

Tue, Oct 20 - Thu, Oct 29

6:00 am - 8:17 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 17mnonstop

7:59 pm - 11:57 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

2h 58mnonstop

$297United Airlines

Useful Info

Low season	September
High season	March
Cheapest flight	$125

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.