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$115+ Cheap flights from Dulles Intl (IAD) to Hobby (HOU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HOU
Jul 28 — Aug 41
Mon 7/28
Mon 8/4
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Houston Hobby are usually found in October or January, booked 84 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Dulles Intl to Hobby

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Hobby (HOU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2025.

Round-trip from

$229
(Southwest)

One-way from

$115
(Southwest)

Popular in

December

Cheapest in

October

Average price

$383
From Washington, D.C. Dulles Intl to Houston Hobby
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One-way flight from Washington, D.C. Dulles Intl to Houston Hobby
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Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Dulles Intl to Hobby

Cheapest flights from Dulles Intl to Hobby
Explore the most affordable flight options available from Dulles Intl to Hobby. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2025.

This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/212:10 pmIAD - HOU
1 stop7h 20mSouthwest
Thu 9/45:35 amHOU - IAD
1 stop6h 45mSouthwest
Deal found 7/21$229
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/165:25 pmIAD - HOU
1 stop6h 06mDelta
Wed 8/279:57 amHOU - IAD
1 stop5h 33mDelta
Deal found 7/21$237
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:27 amIAD - HOU
1 stop8h 24mAmerican Airlines
Mon 9/18:25 pmHOU - IAD
1 stop13h 36mAmerican Airlines
Deal found 7/21$273

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Hobby 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, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport that are best for you.

Fly from

Dulles Intl

Fly to

Hobby

Route

Depart

Return

Price

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 8/21

2:10 pm-8:30 pm

1 stop7h 20m

Houston Hobby

Thu 9/4

5:35 am-1:20 pm

1 stop6h 45m

$229

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 8/16

5:25 pm-10:31 pm

1 stop6h 06m

Houston Hobby

Tue 8/26

9:57 am-4:30 pm

1 stop5h 33m

$237

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 8/28

6:27 am-1:51 pm

1 stop8h 24m

Houston Hobby

Mon 9/1

8:25 pm-11:01 am

1 stop13h 36m

$273

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 8/13

5:45 am-2:00 pm

1 stop9h 15m

$115

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 8/12

12:39 pm-5:39 pm

1 stop6h 00m

$119

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 8/14

12:40 pm-6:42 pm

1 stop7h 02m

$150

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 8/13

10:25 am-6:00 pm

2 stops8h 35m

$160

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sun 8/10

9:05 pm-6:13 pm

2 stops22h 08m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Best time to book a flight from Dulles Intl to Hobby

Have a flexible travel schedule? Discover the best time to fly to Hobby from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Hobby. Price data was last updated on July 18, 2025.

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport (average of $230). Flying from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport in March is currently the most expensive (average of $331). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to HOU?

Find hourly flight availability from Dulles Intl to Hobby. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Hobby. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Houston Hobby Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Hobby

Get insights into the airlines that provide service to Hobby. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hobby. Reviews last updated July 23, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,967 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Allegiant Air
7.2
Good
701 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Sun Country Air
6.9
Okay
334 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Hobby. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport is Southwest. Our recent data shows that you can find tickets from as low as $229 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $237 and $273 round-trip. Southwest is currently priced 40% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport one-way?

    $115 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $119 and $124, respectively.

  • Can I find deals for flights from Dulles Intl to Hobby that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Hobby flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Hobby?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Hobby.

  • Can I find deals for business class flights from Dulles Intl to Hobby?

    Yes. Cheapflights offers flight deals from Dulles Intl to Hobby by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport (average of $230). Flying from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport in March is currently the most expensive (average of $331). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Houston Hobby Airport?

Book flights to Houston Hobby Airport if you plan to visit one of these locations
Sugar Land
Stafford
Pasadena
Kemah
Baytown
Pearland
Freeport
Texas City
Seabrook
Rosenberg
Webster
League City
Lake Jackson
La Marque
Missouri City
West University Place
Nassau Bay

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Alternative routes for Dulles Intl to Hobby

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Dulles Intl to Hobby

Discover the top 5 airlines that operate flights from Dulles Intl to Hobby. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$230FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$106Average$224FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$240Average$288FlexibilityNo cancel feeOn-time71%
DeltaCheapest$245Average$288FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$405FlexibilityNo cancel feeOn-time69%

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