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.

$115 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

Wed, Oct 14 - Fri, Oct 23

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

11h 13m1 stop Atlanta Hartsfield-Jackson

12:07 pm - 12:21 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

11h 14m1 stop Atlanta Hartsfield-Jackson

$223Frontier

Thu, Oct 29 - Sun, Nov 1

7:40 am - 10:04 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

15h 24m1 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

$223Frontier

Mon, Oct 12 - Fri, Oct 23

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

11h 13m1 stop Atlanta Hartsfield-Jackson

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

10h 08m1 stop Atlanta Hartsfield-Jackson

$223Frontier

Tue, Nov 3 - Tue, Nov 10

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

6h 50m1 stop Fort Lauderdale

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

7h 23m1 stop Fort Lauderdale

$237JetBlue

Tue, Nov 3 - Sat, Nov 7

4:49 pm - 10:59 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

7h 10m1 stop Fort Lauderdale

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

7h 23m1 stop Fort Lauderdale

$237JetBlue

Sat, Nov 7 - Sat, Nov 14

11:00 am - 1:35 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 35mnonstop

12:00 pm - 8:17 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

7h 17m1 stop Chicago O'Hare Intl

$241United Airlines

Sat, Nov 14 - Mon, Nov 23

11:16 am - 8:55 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

10h 39m1 stop Orlando

5:01 am - 5:56 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

11h 55m2 stops Orlando Blountville Tri Cities TN/VA

$242Multiple Airlines

Tue, Feb 16 - Tue, Feb 23

5:15 pm - 7:33 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 18mnonstop

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

3h 07mnonstop

$243United Airlines

Tue, Nov 3 - Tue, Nov 10

1:57 pm - 4:35 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

$243American Airlines

Tue, Nov 10 - Wed, Nov 11

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

$243American Airlines

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

Sun, Sep 20 - Tue, Oct 20

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

11h 02m1 stop Orlando

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

11h 04m1 stop Atlanta Hartsfield-Jackson

$258Frontier

Sun, Sep 20 - Thu, Oct 1

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

11h 13m1 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

$289Frontier

Thu, Sep 17 - Thu, Sep 17

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

9h 50m1 stop Las Vegas Harry Reid Intl

5:49 pm - 6:20 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

11h 31m1 stop Las Vegas Harry Reid Intl

$295Frontier

Sun, Sep 20 - Tue, Oct 20

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

$413United Airlines

Sun, Sep 20 - Tue, Oct 20

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

3h 21mnonstop

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

3h 14mnonstop

$413American Airlines

Sun, Sep 20 - Tue, Oct 20

5:00 am - 9:29 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

5h 29m1 stop Dallas/Fort Worth

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

3h 11mnonstop

$423American Airlines

Sat, Sep 19 - Sun, Oct 18

5:55 pm - 8:20 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 25mnonstop

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

3h 05mnonstop

$525United Airlines

Tue, Sep 15 - Wed, Sep 16

4:38 pm - 7:05 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 27mnonstop

4:55 pm - 9:05 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 10mnonstop

$529United Airlines

Sun, Sep 20 - Tue, Oct 20

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

7h 43m1 stop Denver Intl

6:17 pm - 8:00 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

24h 43m2 stops Portland Los Angeles

$540Multiple Airlines

Wed, Sep 16 - Mon, Oct 5

7:00 am - 9:35 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

27h 35m1 stop Denver Intl

12:58 pm - 9:57 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

19h 59m2 stops Fort Lauderdale Orlando

$545Multiple Airlines

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

Tue, Nov 3 - Tue, Nov 10

1:57 pm - 4:35 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

$243American Airlines

Tue, Nov 3 - Sat, Nov 7

7:38 pm - 10:14 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 36mnonstop

6:50 am - 10:59 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$243American Airlines

Tue, Feb 16 - Tue, Feb 23

5:15 pm - 7:33 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 18mnonstop

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

3h 07mnonstop

$243United Airlines

Tue, Nov 10 - Wed, Nov 11

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

$243American Airlines

Wed, Oct 14 - Wed, Oct 21

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

Tue, Oct 20 - Thu, Oct 22

8:35 am - 10:55 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 20mnonstop

7:45 am - 11:53 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 08mnonstop

$261United Airlines

Tue, Oct 20 - Thu, Oct 22

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

3h 38mnonstop

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

3h 10mnonstop

$261American Airlines

Mon, Jan 25 - Wed, Jan 27

1:35 pm - 4:21 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 46mnonstop

4:51 pm - 8:59 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 08mnonstop

$261American Airlines

Wed, Oct 28 - Mon, Nov 2

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

3h 33mnonstop

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

3h 09mnonstop

$261American Airlines

Thu, Oct 29 - Sat, Nov 7

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

3h 36mnonstop

6:50 am - 10:59 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 09mnonstop

$261American Airlines

Useful Info

Low season	August
High season	March
Cheapest flight	$115

Best time to beat the crowds but there is an average 3% increase 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.