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Cheap flights from Houston Hobby Airport to Washington, D.C. from $123

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 1/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
American Airlines Logo
10:08 am - 4:14 pmHOU-IAD
5h 06m1 stop
American Airlines Logo
6:05 am - 7:45 pmIAD-HOU
14h 40m1 stop
$334American Airlines
Find Deal
Wed, Dec 17 - Wed, Dec 31
American Airlines Logo
6:00 am - 4:42 pmHOU-IAD
9h 42m1 stop
American Airlines Logo
6:00 am - 11:45 amIAD-HOU
6h 45m1 stop
$335American Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
American Airlines Logo
12:16 pm - 11:08 pmHOU-IAD
9h 52m2 stops
American Airlines Logo
6:05 am - 7:45 pmIAD-HOU
14h 40m1 stop
$339American Airlines
Find Deal
Wed, Dec 17 - Wed, Dec 31
Delta Logo
2:32 pm - 9:29 pmHOU-IAD
5h 57m1 stop
Delta Logo
3:38 pm - 10:33 pmIAD-HOU
7h 55m1 stop
$349Delta
Find Deal
Tue, Dec 9 - Sat, Dec 13
American Airlines Logo
12:09 pm - 4:16 pmHOU-IAD
27h 07m1 stop
American Airlines Logo
6:05 am - 7:45 pmIAD-HOU
14h 40m1 stop
$357American Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
Delta Logo
6:00 am - 12:13 pmHOU-IAD
5h 13m1 stop
Delta Logo
6:00 am - 10:01 amIAD-HOU
5h 01m1 stop
$367Delta
Find Deal
Thu, Dec 25 - Thu, Jan 1
Delta Logo
10:39 am - 6:21 pmHOU-IAD
6h 42m1 stop
Delta Logo
6:00 am - 10:01 amIAD-HOU
5h 01m1 stop
$371Delta
Find Deal
Wed, Dec 17 - Wed, Dec 31
Southwest Logo
12:55 pm - 10:00 pmHOU-IAD
8h 05m1 stop
Southwest Logo
7:40 am - 4:25 pmIAD-HOU
9h 45m1 stop
$399Southwest
Find Deal
Thu, Dec 4 - Tue, Dec 9
Southwest Logo
11:00 am - 11:10 pmHOU-IAD
11h 10m2 stops
Southwest Logo
5:40 pm - 12:05 amIAD-HOU
7h 25m1 stop
$400Southwest
Find Deal
Fri, Feb 20 - Mon, Feb 23
Southwest Logo
2:35 pm - 10:00 pmHOU-IAD
6h 25m1 stop
Southwest Logo
5:05 am - 4:55 pmIAD-HOU
12h 50m1 stop
$421Southwest
Find Deal
Wed, Dec 10 - Sun, Dec 14

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
Dec 17
HOU10:08 amHouston Hobby
5h 06m
1 stop
IAD4:14 pmWashington, D.C. Dulles Intl
Dec 31
IAD6:05 amWashington, D.C. Dulles Intl
14h 40m
1 stop
HOU7:45 pmHouston Hobby
$334
Find similar
American Airlines
Nov 27
HOU6:00 amHouston Hobby
9h 42m
1 stop
IAD4:42 pmWashington, D.C. Dulles Intl
Dec 4
IAD6:00 amWashington, D.C. Dulles Intl
6h 45m
1 stop
HOU11:45 amHouston Hobby
$335
Find similar
American Airlines
Dec 17
HOU12:16 pmHouston Hobby
9h 52m
2 stops
IAD11:08 pmWashington, D.C. Dulles Intl
Dec 31
IAD6:05 amWashington, D.C. Dulles Intl
14h 40m
1 stop
HOU7:45 pmHouston Hobby
$339
Find similar

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
Dec 9
HOU2:32 pmHouston Hobby
5h 57m
1 stop
IAD9:29 pmWashington, D.C. Dulles Intl
Dec 13
IAD3:38 pmWashington, D.C. Dulles Intl
7h 55m
1 stop
HOU10:33 pmHouston Hobby
$349
Find similar
Delta
Dec 25
HOU6:00 amHouston Hobby
5h 13m
1 stop
IAD12:13 pmWashington, D.C. Dulles Intl
Jan 1
IAD6:00 amWashington, D.C. Dulles Intl
5h 01m
1 stop
HOU10:01 amHouston Hobby
$367
Find similar
Delta
Dec 17
HOU10:39 amHouston Hobby
6h 42m
1 stop
IAD6:21 pmWashington, D.C. Dulles Intl
Dec 31
IAD6:00 amWashington, D.C. Dulles Intl
5h 01m
1 stop
HOU10:01 amHouston Hobby
$371
Find similar

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 November 4, 2025.
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

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 12/17

10:08 am-4:14 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Wed 12/31

6:05 am-7:45 pm

1 stop14h 40m

$334

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 11/27

6:00 am-4:42 pm

1 stop9h 42m

Washington, D.C. Dulles Intl

Thu 12/4

6:00 am-11:45 am

1 stop6h 45m

$335

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 12/17

12:16 pm-11:08 pm

2 stops9h 52m

Washington, D.C. Dulles Intl

Wed 12/31

6:05 am-7:45 pm

1 stop14h 40m

$339

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Tue 12/9

2:32 pm-9:29 pm

1 stop5h 57m

Washington, D.C. Dulles Intl

Sat 12/13

3:38 pm-10:33 pm

1 stop7h 55m

$349

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 12/24

12:09 pm-4:16 pm

1 stop27h 07m

Washington, D.C. Dulles Intl

Wed 12/31

6:05 am-7:45 pm

1 stop14h 40m

$357

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 12/25

6:00 am-12:13 pm

1 stop5h 13m

Washington, D.C. Dulles Intl

Thu 1/1

6:00 am-10:01 am

1 stop5h 01m

$367

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 12/17

10:39 am-6:21 pm

1 stop6h 42m

Washington, D.C. Dulles Intl

Wed 12/31

6:00 am-10:01 am

1 stop5h 01m

$371

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 12/4

12:55 pm-10:00 pm

1 stop8h 05m

Washington, D.C. Dulles Intl

Tue 12/9

7:40 am-4:25 pm

1 stop9h 45m

$399

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Fri 2/20

11:00 am-11:10 pm

2 stops11h 10m

Washington, D.C. Dulles Intl

Mon 2/23

5:40 pm-12:05 am

1 stop7h 25m

$400

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 12/10

2:35 pm-10:00 pm

1 stop6h 25m

Washington, D.C. Dulles Intl

Sun 12/14

5:05 am-4:55 pm

1 stop12h 50m

$421

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, August 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 $263. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, 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 day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $346. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport for around $516.

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 in the evening is the least expensive time of day to depart. momondo users have found prices as low as $808 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $974 on average. Flights to Washington, D.C. Dulles Intl Airport from Houston Hobby Airport in the morning 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 $340 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 $280 on momondo.

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

As of November 2025, prices for Houston Hobby Airport to Washington, D.C. Dulles Intl Airport flights are approximately 42% cheaper 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

Direct flights

None
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.
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  • 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 4h 25m.

  • 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 $54Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
FrontierPriceFrom $144Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
American AirlinesPriceFrom $234Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
DeltaPriceFrom $269Free CancellationRating
7.9
8,002 reviews
Search Delta 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Sterling

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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