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.

$112 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 6 - Wed, Oct 14

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

11h 13m1 stop Atlanta Hartsfield-Jackson

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

12h 05m2 stops Atlanta Hartsfield-Jackson Orlando

$219Frontier

Mon, Oct 5 - Wed, Oct 14

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

11h 13m1 stop Atlanta Hartsfield-Jackson

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

12h 05m2 stops Atlanta Hartsfield-Jackson Orlando

$219Frontier

Fri, Dec 4 - Mon, Dec 7

9:14 am - 7:57 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 43m1 stop Orlando

4:22 pm - 9:59 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

28h 37m1 stop Fort Lauderdale

$219Frontier

Fri, Nov 20 - Tue, Dec 1

6:36 pm - 7:53 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

26h 17m2 stops Blountville Tri Cities TN/VA Orlando

4:22 pm - 9:59 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

28h 37m1 stop Fort Lauderdale

$243Multiple Airlines

Sat, Nov 7 - Mon, Nov 16

5:29 pm - 12:30 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

8h 01m1 stop Chicago O'Hare Intl

10:02 am - 4:33 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

5h 31m1 stop Austin Bergstrom

$280United Airlines

Wed, Sep 23 - Sat, Oct 3

4:35 pm - 9:55 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

6h 20m1 stop Fort Lauderdale

12:58 pm - 9:07 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

7h 09m1 stop Fort Lauderdale

$287JetBlue

Tue, Oct 13 - Thu, Oct 15

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

3h 12mnonstop

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

3h 10mnonstop

$297United Airlines

Thu, Sep 24 - Tue, Sep 29

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

3h 22mnonstop

7:00 am - 11:17 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 17mnonstop

$297American Airlines

Thu, Nov 5 - Mon, Nov 9

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

3h 36mnonstop

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

3h 10mnonstop

$297American Airlines

Mon, Oct 12 - Tue, Oct 13

6:00 am - 11:47 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

6h 47m1 stop Fort Lauderdale

1:00 pm - 9:05 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

7h 05m1 stop Fort Lauderdale

$299JetBlue

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

Sat, Sep 5 - Sat, Oct 10

4:52 pm - 8:02 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

16h 10m1 stop Orlando

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

10h 08m1 stop Atlanta Hartsfield-Jackson

$235Frontier

Sun, Sep 6 - Sat, Sep 12

6:20 am - 10:47 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

5h 27m1 stop 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

$278Frontier

Wed, Sep 9 - Wed, Sep 16

6:35 am - 6:02 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

24h 27m1 stop Las Vegas Harry Reid Intl

12:21 pm - 10:17 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

20h 56m1 stop Orlando

$280Frontier

Sat, Sep 5 - Sat, Oct 10

8:20 am - 10:38 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 18mnonstop

6:05 pm - 10:14 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$413United Airlines

Sat, Sep 5 - Sat, Oct 10

6:30 am - 8:44 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 14mnonstop

6:25 pm - 10:30 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 05mnonstop

$416United Airlines

Sat, Sep 5 - Sat, Oct 10

8:39 pm - 7:20 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 41m1 stop Atlanta Hartsfield-Jackson

8:14 am - 6:41 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

9h 27m2 stops Fort Lauderdale Tampa

$419Multiple Airlines

Sat, Sep 5 - Sat, Oct 10

4:18 pm - 6:49 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 31mnonstop

8:19 am - 4:10 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

6h 51m1 stop Charlotte Douglas

$426American Airlines

Thu, Sep 10 - Sat, Sep 12

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

3h 21mnonstop

6:42 am - 10:59 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 17mnonstop

$431American Airlines

Thu, Sep 10 - Thu, Sep 10

12:57 pm - 3:17 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 20mnonstop

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

3h 09mnonstop

$431United Airlines

Wed, Sep 9 - Wed, Sep 9

6:10 am - 10:30 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

5h 20m1 stop Detroit Metropolitan Wayne County

2:44 pm - 10:40 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

6h 56m1 stop Atlanta Hartsfield-Jackson

$451Delta

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

Wed, Sep 30 - Wed, Oct 7

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

3h 16mnonstop

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

3h 10mnonstop

$297United Airlines

Wed, Oct 7 - Mon, Oct 12

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

3h 12mnonstop

6:25 pm - 10:30 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 05mnonstop

$297United Airlines

Sat, Nov 7 - Thu, Nov 12

5:42 pm - 8:20 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

Tue, Nov 10 - 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

$297American Airlines

Thu, Nov 26 - Tue, Dec 1

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

3h 37mnonstop

5:05 pm - 9:12 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 07mnonstop

$297United Airlines

Sat, Oct 24 - Sat, Oct 31

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

3h 16mnonstop

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

3h 04mnonstop

$297United Airlines

Thu, Oct 15 - Mon, Oct 19

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

3h 12mnonstop

6:25 pm - 10:30 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 05mnonstop

$297United Airlines

Mon, Oct 5 - Wed, Oct 7

8:30 am - 10:51 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 21mnonstop

6:25 pm - 10:30 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 05mnonstop

$297United Airlines

Thu, Oct 1 - Mon, Oct 5

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

3h 21mnonstop

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

3h 11mnonstop

$297United Airlines

Thu, Oct 8 - Mon, Oct 12

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

3h 12mnonstop

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

3h 10mnonstop

$297United Airlines

Useful Info

Low season	September
High season	March
Cheapest flight	$112

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 9% 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.