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.

$123 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

Fri, Dec 18 - Mon, Dec 28

10:59 pm - 10:11 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

12h 12m1 stop Atlanta Hartsfield-Jackson

5:01 am - 9:33 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

15h 32m1 stop Orlando

$236Frontier

Thu, Dec 3 - Sat, Dec 12

6:00 pm - 8:45 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

39h 45m2 stops Denver Intl Atlanta Hartsfield-Jackson

6:00 am - 4:55 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

9h 55m1 stop Denver Intl

$236Frontier

Sat, Jan 9 - Sat, Jan 16

3:59 pm - 10:58 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

7h 59m1 stop Fort Lauderdale

1:15 pm - 11:25 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

9h 10m1 stop Fort Lauderdale

$237JetBlue

Sat, Nov 21 - Thu, Nov 26

6:50 am - 2:07 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

8h 17m1 stop Atlanta Hartsfield-Jackson

9:14 pm - 2:52 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

16h 38m1 stop Atlanta Hartsfield-Jackson

$237Frontier

Sat, Dec 5 - Sat, Dec 12

9:59 am - 6:00 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

9h 01m1 stop Boston Logan Intl

1:10 pm - 9:08 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

6h 58m1 stop Fort Lauderdale

$238JetBlue

Tue, Dec 8 - Tue, Dec 15

7:33 pm - 10:12 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 39mnonstop

7:20 am - 2:02 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

5h 42m1 stop Chicago O'Hare Intl

$239United Airlines

Tue, Jan 5 - Thu, Jan 7

9:00 am - 3:37 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

7h 37m1 stop Boston Logan Intl

1:15 pm - 9:16 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

7h 01m1 stop Fort Lauderdale

$257JetBlue

Tue, Dec 8 - Tue, Dec 15

8:45 am - 4:17 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

8h 32m1 stop Fort Myers SW Florida Intl

12:00 pm - 4:04 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 04mnonstop

$284United 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

Tue, Jan 5 - Thu, Jan 7

6:59 am - 9:30 amDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

3h 31mnonstop

10:28 am - 2:34 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 06mnonstop

$297American Airlines

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

Thu, Nov 12 - Sat, Nov 14

6:07 pm - 2:44 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

21h 37m1 stop Fort Lauderdale

8:18 am - 8:11 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 53m1 stop Fort Lauderdale

$239Frontier

Thu, Nov 12 - Mon, Nov 16

6:07 pm - 2:44 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

21h 37m1 stop Fort Lauderdale

8:18 am - 8:11 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 53m1 stop Fort Lauderdale

$240Frontier

Fri, Nov 13 - Tue, Nov 17

6:07 pm - 2:44 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

21h 37m1 stop Fort Lauderdale

12:19 pm - 11:43 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

10h 24m1 stop Atlanta Hartsfield-Jackson

$243Frontier

Fri, Nov 13 - Thu, Dec 10

6:00 am - 4:56 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

11h 56m1 stop Fort Lauderdale

6:00 am - 4:55 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

9h 55m1 stop Denver Intl

$316Multiple Airlines

Thu, Nov 12 - Thu, Dec 10

6:00 am - 4:05 pmDCA Washington, D.C. Reagan-National-IAH Houston George Bush Intcntl

11h 05m1 stop Fort Lauderdale

6:00 am - 4:55 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

9h 55m1 stop Denver Intl

$316Multiple Airlines

Tue, Nov 10 - Thu, Nov 12

6:10 am - 12:07 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

6h 57m1 stop Newark

9:37 am - 5:24 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

6h 47m1 stop Chicago O'Hare Intl

$336United Airlines

Wed, Nov 11 - Sun, Nov 22

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

18h 42m1 stop Denver Intl

7:05 am - 9:00 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

24h 55m1 stop Fort Lauderdale

$347Multiple Airlines

Thu, Nov 12 - Thu, Dec 10

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

3h 37mnonstop

7:20 am - 11:26 amIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 06mnonstop

$433United Airlines

Fri, Nov 13 - Thu, Dec 10

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

3h 36mnonstop

6:16 am - 10:22 amIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 06mnonstop

$433American Airlines

Thu, Nov 12 - Thu, Dec 10

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

3h 36mnonstop

10:20 am - 2:21 pmIAH Houston George Bush Intcntl-DCA Washington, D.C. Reagan-National

3h 01mnonstop

$433American Airlines

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

Mon, Dec 14 - Wed, Dec 16

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

$297United Airlines

Fri, Jan 15 - Sat, Jan 16

2:39 pm - 5:22 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 43mnonstop

4:50 pm - 8:51 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 01mnonstop

$297United 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, Jan 16 - Mon, Jan 18

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

Tue, Feb 9 - Fri, Feb 12

8:25 am - 11:06 amIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 41mnonstop

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

3h 04mnonstop

$297United Airlines

Thu, Dec 3 - Sat, Dec 5

2:24 pm - 5:01 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 37mnonstop

6:38 pm - 10:42 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 04mnonstop

$297United Airlines

Wed, Dec 2 - Mon, Dec 7

5:52 pm - 8:28 pmIAD 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

$297United Airlines

Mon, Jan 18 - Mon, Jan 25

12:50 pm - 3:33 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 43mnonstop

4:50 pm - 8:51 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 01mnonstop

$297United Airlines

Wed, Dec 2 - Tue, Dec 8

2:24 pm - 5:01 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 37mnonstop

6:38 pm - 10:42 pmIAH Houston George Bush Intcntl-IAD Washington, D.C. Dulles Intl

3h 04mnonstop

$297United Airlines

Thu, Dec 3 - Mon, Dec 7

2:24 pm - 5:01 pmIAD Washington, D.C. Dulles Intl-IAH Houston George Bush Intcntl

3h 37mnonstop

4:45 pm - 8:49 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	$123

Best time to beat the crowds but there is an average 9% increase in price.

Most popular time to fly with an average 3% 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.