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Cheap flights from Houston Hobby Airport to Washington, D.C. from $131

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 5/31. 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

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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
10:53 am - 8:52 pm
HOU
-
IAD
8h 59m
1 stop
Delta Logo
8:05 am - 4:09 pm
IAD
-
HOU
9h 04m
1 stop
$307Delta
Wed, May 6 - Wed, May 13
Delta Logo
6:00 am - 11:42 am
HOU
-
IAD
4h 42m
1 stop
Delta Logo
3:08 pm - 10:26 pm
IAD
-
HOU
8h 18m
1 stop
$316Delta
Wed, May 6 - Tue, May 12
Southwest Logo
8:50 am - 4:50 pm
HOU
-
IAD
7h 00m
1 stop
Southwest Logo
6:20 am - 2:20 pm
IAD
-
HOU
9h 00m
1 stop
$325Southwest
Wed, Apr 29 - Wed, May 6
Southwest Logo
6:15 am - 4:25 pm
HOU
-
IAD
9h 10m
1 stop
Southwest Logo
4:30 pm - 11:25 pm
IAD
-
HOU
7h 55m
1 stop
$336Southwest
Sat, May 9 - Tue, May 12
American Airlines Logo
4:19 pm - 11:26 pm
HOU
-
IAD
6h 07m
1 stop
American Airlines Logo
7:00 am - 12:12 pm
IAD
-
HOU
6h 12m
1 stop
$346American Airlines
Tue, May 12 - Tue, May 19
Delta Logo
6:00 am - 11:42 am
HOU
-
IAD
4h 42m
1 stop
Delta Logo
6:00 am - 9:58 am
IAD
-
HOU
4h 58m
1 stop
$347Delta
Thu, Apr 23 - Mon, Apr 27
American Airlines Logo
9:57 am - 7:33 pm
HOU
-
IAD
8h 36m
2 stops
American Airlines Logo
5:59 pm - 11:47 pm
IAD
-
HOU
6h 48m
1 stop
$352American Airlines
Sat, Apr 18 - Sat, Apr 25
American Airlines Logo
9:57 am - 7:33 pm
HOU
-
IAD
8h 36m
2 stops
American Airlines Logo
9:19 am - 3:48 pm
IAD
-
HOU
7h 29m
2 stops
$357American Airlines
Sat, Apr 18 - Sat, Apr 25
Southwest Logo
8:20 am - 10:55 pm
HOU
-
IAD
13h 35m
2 stops
Southwest Logo
4:30 pm - 11:25 pm
IAD
-
HOU
7h 55m
1 stop
$358Southwest
Sat, May 9 - Tue, May 12
Delta Logo
1:06 pm - 12:51 am
HOU
-
IAD
10h 45m
1 stop
Delta Logo
8:27 am - 4:23 pm
IAD
-
HOU
8h 56m
1 stop
$375Delta
Tue, Jun 2 - Tue, Jul 7

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

Our best Southwest deals on Houston Hobby Airport to Washington, D.C. Dulles Intl Airport flight tickets
Southwest
May 9
HOU6:15 amHouston Hobby
9h 10m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
May 12
IAD4:30 pmWashington, D.C. Dulles Intl
7h 55m
1 stop
HOU11:25 pmHouston Hobby
$336
Southwest
May 9
HOU8:20 amHouston Hobby
13h 35m
2 stops
IAD10:55 pmWashington, D.C. Dulles Intl
May 12
IAD4:30 pmWashington, D.C. Dulles Intl
7h 55m
1 stop
HOU11:25 pmHouston Hobby
$358
Southwest
Apr 24
HOU4:05 pmHouston Hobby
7h 15m
1 stop
IAD12:20 amWashington, D.C. Dulles Intl
May 5
IAD4:30 pmWashington, D.C. Dulles Intl
7h 55m
1 stop
HOU11:25 pmHouston Hobby
$402

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
May 6
HOU10:53 amHouston Hobby
8h 59m
1 stop
IAD8:52 pmWashington, D.C. Dulles Intl
May 13
IAD8:05 amWashington, D.C. Dulles Intl
9h 04m
1 stop
HOU4:09 pmHouston Hobby
$307
Delta
May 6
HOU6:00 amHouston Hobby
4h 42m
1 stop
IAD11:42 amWashington, D.C. Dulles Intl
May 12
IAD3:08 pmWashington, D.C. Dulles Intl
8h 18m
1 stop
HOU10:26 pmHouston Hobby
$316
Delta
Apr 23
HOU6:00 amHouston Hobby
4h 42m
1 stop
IAD11:42 amWashington, D.C. Dulles Intl
Apr 27
IAD6:00 amWashington, D.C. Dulles Intl
4h 58m
1 stop
HOU9:58 amHouston Hobby
$347

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 April 1, 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 5/6

10:53 am-8:52 pm

1 stop8h 59m

Washington, D.C. Dulles Intl

Wed 5/13

8:05 am-4:09 pm

1 stop9h 04m

$307

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 5/6

6:00 am-11:42 am

1 stop4h 42m

Washington, D.C. Dulles Intl

Tue 5/12

3:08 pm-10:26 pm

1 stop8h 18m

$316

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 4/29

8:50 am-4:50 pm

1 stop7h 00m

Washington, D.C. Dulles Intl

Wed 5/6

6:20 am-2:20 pm

1 stop9h 00m

$325

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 5/9

6:15 am-4:25 pm

1 stop9h 10m

Washington, D.C. Dulles Intl

Tue 5/12

4:30 pm-11:25 pm

1 stop7h 55m

$336

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Tue 5/12

4:19 pm-11:26 pm

1 stop6h 07m

Washington, D.C. Dulles Intl

Tue 5/19

7:00 am-12:12 pm

1 stop6h 12m

$346
Quickest round-trip

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 4/23

6:00 am-11:42 am

1 stop4h 42m

Washington, D.C. Dulles Intl

Mon 4/27

6:00 am-9:58 am

1 stop4h 58m

$347

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 4/18

9:57 am-7:33 pm

2 stops8h 36m

Washington, D.C. Dulles Intl

Sat 4/25

5:59 pm-11:47 pm

1 stop6h 48m

$352

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 4/18

9:57 am-7:33 pm

2 stops8h 36m

Washington, D.C. Dulles Intl

Sat 4/25

9:19 am-3:48 pm

2 stops7h 29m

$357

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 5/9

8:20 am-10:55 pm

2 stops13h 35m

Washington, D.C. Dulles Intl

Tue 5/12

4:30 pm-11:25 pm

1 stop7h 55m

$358

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Tue 6/2

1:06 pm-12:51 am

1 stop10h 45m

Washington, D.C. Dulles Intl

Tue 7/7

8:27 am-4:23 pm

1 stop8h 56m

$375

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 $257. 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 $270.

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 $907 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 $953 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 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 $379 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 $189 on momondo.

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

As of April 2026, prices for Houston Hobby Airport to Washington, D.C. Dulles Intl Airport flights are approximately 35% 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

2h 57m

Direct flights

None
The fastest flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport takes 2h 57m
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 2h 57m.

  • 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
Spirit AirlinesPriceFrom $80Free CancellationRating
6.3
8,577 reviews
Search Spirit Airlines flights
FrontierPriceFrom $128Free CancellationRating
5.7
3,004 reviews
Search Frontier flights
United AirlinesPriceFrom $233Free CancellationRating
7.4
9,535 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
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
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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