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

Mon, Oct 5 - Wed, Oct 7

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

11h 13m1 stop Atlanta Hartsfield-Jackson

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

9h 50m1 stop Atlanta Hartsfield-Jackson

$217Frontier

Sat, Sep 26 - Mon, Sep 28

7:50 am - 7:26 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

12h 36m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

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

10h 10m1 stop Atlanta Hartsfield-Jackson

$219Frontier

Fri, Sep 25 - Mon, Oct 5

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

11h 13m1 stop Atlanta Hartsfield-Jackson

9:04 pm - 5:18 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

19h 14m1 stop Atlanta Hartsfield-Jackson

$220Frontier

Sun, Oct 18 - Thu, Oct 22

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

$227Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

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

$297American Airlines

Tue, Sep 22 - Wed, Sep 23

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

3h 21mnonstop

10:27 am - 2:44 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 17mnonstop

$297American Airlines

Sat, Sep 26 - Mon, Sep 28

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

3h 18mnonstop

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

3h 09mnonstop

$297United Airlines

Thu, Oct 8 - Mon, Oct 12

12:57 pm - 3:16 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 19mnonstop

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

3h 09mnonstop

$297United Airlines

Thu, Sep 24 - Sat, Sep 26

9:00 am - 5:32 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

9h 32m1 stop Atlanta Hartsfield-Jackson

10:20 am - 8:37 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

9h 17m1 stop Atlanta Hartsfield-Jackson

$307Delta

Tue, Sep 22 - Mon, Sep 28

12:26 pm - 7:33 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

8h 07m1 stop Atlanta Hartsfield-Jackson

5:40 am - 9:43 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

15h 03m1 stop Atlanta Hartsfield-Jackson

$307Delta

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

Sat, Sep 5 - Wed, Sep 23

8:59 am - 7:08 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

11h 09m1 stop Las Vegas Harry Reid Intl

6:28 am - 12:10 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

16h 42m1 stop Atlanta Hartsfield-Jackson

$238Frontier

Sun, Sep 6 - Fri, Sep 18

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

5h 27m1 stop Atlanta Hartsfield-Jackson

9:04 pm - 5:18 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

19h 14m1 stop Atlanta Hartsfield-Jackson

$261Frontier

Sun, Sep 6 - Wed, Sep 16

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

5h 27m1 stop Atlanta Hartsfield-Jackson

9:04 pm - 5:18 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

19h 14m1 stop Atlanta Hartsfield-Jackson

$265Frontier

Sat, Sep 5 - Sat, Oct 3

8:31 am - 10:52 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 21mnonstop

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

3h 10mnonstop

$399United Airlines

Sat, Sep 5 - Sat, Oct 3

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

3h 31mnonstop

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

3h 17mnonstop

$399American Airlines

Sat, Sep 5 - Sat, Oct 3

2:59 pm - 8:40 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

6h 41m1 stop Dallas/Fort Worth

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

3h 17mnonstop

$409American Airlines

Sun, Sep 6 - Sat, Sep 12

12:57 pm - 3:17 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 20mnonstop

4:45 pm - 8:56 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 11mnonstop

$431United Airlines

Sat, Sep 5 - Wed, Sep 9

5:55 pm - 8:18 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 23mnonstop

4:45 pm - 8:56 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 11mnonstop

$431United Airlines

Sun, Sep 6 - Wed, Sep 9

11:06 am - 3:55 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

5h 49m1 stop Atlanta Hartsfield-Jackson

12:21 pm - 8:14 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

6h 53m1 stop Atlanta Hartsfield-Jackson

$451Delta

Sun, Sep 6 - Thu, Sep 10

9:00 am - 1:27 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

5h 27m1 stop Atlanta Hartsfield-Jackson

2:44 pm - 8:37 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

4h 53m1 stop Atlanta Hartsfield-Jackson

$451Delta

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

Tue, Sep 22 - Thu, Sep 24

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

$297United Airlines

Thu, Oct 8 - Mon, Oct 12

12:52 pm - 3:13 pmIAD 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

Mon, Oct 26 - Wed, Oct 28

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

3h 36mnonstop

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

3h 11mnonstop

$297American Airlines

Tue, Oct 27 - 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, Sep 26 - Tue, Sep 29

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

3h 12mnonstop

12:15 pm - 4:26 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 11mnonstop

$297United Airlines

Tue, Oct 27 - Tue, Nov 17

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

$297United Airlines

Sat, Oct 10 - Mon, Oct 12

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, Dec 31 - Tue, Jan 5

8:27 am - 11:08 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 41mnonstop

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

3h 07mnonstop

$297United Airlines

Wed, Nov 4 - Sat, Nov 7

12:50 pm - 3:27 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 37mnonstop

7:22 am - 11:28 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 06mnonstop

$297United Airlines

Sat, Nov 7 - Sat, Nov 14

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

3h 37mnonstop

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

3h 04mnonstop

$297United Airlines

Useful Info

Low season	September
High season	March
Cheapest flight	$112

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 10% 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.

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Houston (IAH)

IAH

$112 Find Cheap Flights from District of Columbia to Houston - Compare and Save

Cheap Flights from District of Columbia to George Bush Intcntl

Recent round-trip flight deals from District of Columbia to George Bush Intcntl

Recent one-way flight deals from District of Columbia to George Bush Intcntl

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

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

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Cheapest flight

FAQs for booking District of Columbia to Houston flights

Traveling to a place near George Bush Intcntl?

Everything you need to know for your flight to George Bush Intcntl

Information on your arrival and departure airports

Cabin class types available on flights to George Bush Intcntl

Complete your trip to George Bush Intcntl with a hotel stay or car rental

Find direct flights for George Bush Intcntl

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Flights from domestic origins to District of Columbia

Choose which airport to fly into in Houston

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