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Cheap flights from Houston Hobby Airport to Washington, D.C. from $134

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston Hobby Airport to Washington, D.C. departing on 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston Hobby Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 2:01 pm
HOU
-
IAD
7h 01m
1 stop
Delta Logo
10:58 am - 4:22 pm
IAD
-
HOU
6h 24m
1 stop
$298Delta
Wed, Jul 29 - Sat, Aug 1
Delta Logo
6:00 am - 1:43 pm
HOU
-
IAD
6h 43m
1 stop
Delta Logo
12:30 pm - 4:25 pm
IAD
-
HOU
4h 55m
1 stop
$303Delta
Sat, Aug 15 - Mon, Aug 17
Delta Logo
12:55 pm - 6:30 pm
HOU
-
IAD
4h 35m
1 stop
Delta Logo
6:00 am - 9:50 am
IAD
-
HOU
4h 50m
1 stop
$323Delta
Thu, Jul 30 - Tue, Aug 4
American Airlines Logo
12:14 pm - 6:27 pm
HOU
-
IAD
5h 13m
1 stop
American Airlines Logo
6:09 am - 11:44 am
IAD
-
HOU
6h 35m
1 stop
$327American Airlines
Sat, Sep 5 - Mon, Sep 7
Delta Logo
10:40 am - 4:46 pm
HOU
-
IAD
5h 06m
1 stop
Delta Logo
5:47 pm - 10:05 pm
IAD
-
HOU
5h 18m
1 stop
$332Delta
Wed, Jul 29 - Mon, Aug 3
Delta Logo
6:00 am - 11:33 am
HOU
-
IAD
4h 33m
1 stop
Delta Logo
12:30 pm - 4:25 pm
IAD
-
HOU
4h 55m
1 stop
$337Delta
Thu, Aug 13 - Thu, Aug 20
Delta Logo
1:13 pm - 8:55 pm
HOU
-
IAD
6h 42m
1 stop
Delta Logo
8:28 am - 4:23 pm
IAD
-
HOU
8h 55m
1 stop
$338Delta
Thu, Aug 6 - Sat, Aug 8
Delta Logo
6:00 am - 11:59 am
HOU
-
IAD
4h 59m
1 stop
Delta Logo
10:05 am - 4:30 pm
IAD
-
HOU
7h 25m
1 stop
$352Delta
Thu, Dec 10 - Tue, Dec 15
Delta Logo
6:00 am - 2:01 pm
HOU
-
IAD
7h 01m
1 stop
Delta Logo
10:21 am - 4:22 pm
IAD
-
HOU
7h 01m
1 stop
$353Delta
Tue, Jul 21 - Tue, Jul 28
Delta Logo
5:17 pm - 12:41 am
HOU
-
IAD
6h 24m
1 stop
Delta Logo
2:54 pm - 9:23 pm
IAD
-
HOU
7h 29m
1 stop
$354Delta
Sat, Aug 1 - Sat, Aug 8

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American Airlines flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Houston Hobby Airport to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Sep 5
HOU12:14 pmHouston Hobby
5h 13m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
Sep 7
IAD6:09 amWashington, D.C. Dulles Intl
6h 35m
1 stop
HOU11:44 amHouston Hobby
$327
American Airlines
Aug 22
HOU12:14 pmHouston Hobby
5h 13m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
Aug 24
IAD6:09 amWashington, D.C. Dulles Intl
6h 35m
1 stop
HOU11:44 amHouston Hobby
$380
American Airlines
Aug 28
HOU9:32 amHouston Hobby
7h 55m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
Sep 2
IAD2:53 pmWashington, D.C. Dulles Intl
5h 58m
1 stop
HOU7:51 pmHouston Hobby
$391

Delta flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Houston Hobby Airport to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Jul 29
HOU6:00 amHouston Hobby
7h 01m
1 stop
IAD2:01 pmWashington, D.C. Dulles Intl
Aug 1
IAD10:58 amWashington, D.C. Dulles Intl
6h 24m
1 stop
HOU4:22 pmHouston Hobby
$298
Delta
Aug 15
HOU6:00 amHouston Hobby
6h 43m
1 stop
IAD1:43 pmWashington, D.C. Dulles Intl
Aug 17
IAD12:30 pmWashington, D.C. Dulles Intl
4h 55m
1 stop
HOU4:25 pmHouston Hobby
$303
Delta
Jul 30
HOU12:55 pmHouston Hobby
4h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Aug 4
IAD6:00 amWashington, D.C. Dulles Intl
4h 50m
1 stop
HOU9:50 amHouston Hobby
$323

momondo Fare Finder

 
Customize your flight search to find flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 7/29

6:00 am-2:01 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Sat 8/1

10:58 am-4:22 pm

1 stop6h 24m

$298

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 8/15

6:00 am-1:43 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Mon 8/17

12:30 pm-4:25 pm

1 stop4h 55m

$303
Quickest round-trip

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 7/30

12:55 pm-6:30 pm

1 stop4h 35m

Washington, D.C. Dulles Intl

Tue 8/4

6:00 am-9:50 am

1 stop4h 50m

$323

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 9/5

12:14 pm-6:27 pm

1 stop5h 13m

Washington, D.C. Dulles Intl

Mon 9/7

6:09 am-11:44 am

1 stop6h 35m

$327

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 7/29

10:40 am-4:46 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Mon 8/3

5:47 pm-10:05 pm

1 stop5h 18m

$332

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 8/13

6:00 am-11:33 am

1 stop4h 33m

Washington, D.C. Dulles Intl

Thu 8/20

12:30 pm-4:25 pm

1 stop4h 55m

$337

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 8/6

1:13 pm-8:55 pm

1 stop6h 42m

Washington, D.C. Dulles Intl

Sat 8/8

8:28 am-4:23 pm

1 stop8h 55m

$338

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 12/10

6:00 am-11:59 am

1 stop4h 59m

Washington, D.C. Dulles Intl

Tue 12/15

10:05 am-4:30 pm

1 stop7h 25m

$352

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Tue 7/21

6:00 am-2:01 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Tue 7/28

10:21 am-4:22 pm

1 stop7h 01m

$353

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 8/1

5:17 pm-12:41 am

1 stop6h 24m

Washington, D.C. Dulles Intl

Sat 8/8

2:54 pm-9:23 pm

1 stop7h 29m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Houston Hobby Airport and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, October is the cheapest month to fly from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $291. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $291.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Houston Hobby Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $882 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,129 on average. Flights to Washington, D.C. Dulles Intl Airport from Houston Hobby Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Houston Hobby Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $416 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Houston Hobby Airport for as low as $166 on momondo.

How have Houston Hobby Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of July 2026, prices for Houston Hobby Airport to Washington, D.C. Dulles Intl Airport flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston Hobby Airport to Washington, D.C. Dulles Intl Airport (HOU to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport

Fastest flight time

3h 03m

Direct flights

None
The fastest flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport takes 3h 03m
There are no direct flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport.
Search flight deals

Frequently asked questions about flying from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport

  • How far is Houston Hobby to Washington, D.C. Dulles Intl by plane?

    The distance between Houston Hobby and Washington, D.C. Dulles Intl is about 1199.3 mi. A reasonable flight in good conditions will take 3h 03m.

  • When did momondo last update prices for flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport were last updated today.

  • How many operators does momondo search for flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
5.6
2,847 reviews
Search Frontier flights
United AirlinesPriceFrom $243Free CancellationRating
7.4
9,929 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
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Waldorf
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Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
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Silver Spring
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Tysons
Springfield
Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Houston.

Can I find flights from Houston to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Washington, D.C.?

Once you have performed a search for Houston to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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