What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to Washington, D.C. flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 50% of flights being delayed.

What is the most punctual flight time for Houston to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

How often are flights from Houston to Washington, D.C. delayed?

About 13% of weekly flights between Houston and Washington, D.C. have experienced delays in the past year, with the average delay time being 91 minutes.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $75. United Airlines flights start at $128 while deals on American Airlines start at $144 one-way.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the most popular airlines that fly from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?

The most popular airlines flying from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport are United Airlines, Frontier and Spirit Airlines. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Houston Hobby Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Houston Hobby Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Houston Hobby Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Houston Hobby Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston Hobby Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

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

$153+ Flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport

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Find cheap flights from Hobby to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Houston Hobby to Washington, D.C. Dulles Intl are usually found in October or August, booked 67 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Hobby to Dulles Intl

Cheapest flights from Hobby to Dulles Intl
Explore the most affordable flight options available from Hobby to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Thu 12/256:00 amHOU - IAD

1 stop5h 13mDelta

Wed 1/286:00 amIAD - HOU

1 stop5h 21mDelta

Deal found 12/17

$309

Thu 12/256:00 amHOU - IAD

1 stop5h 13mDelta

Thu 1/16:00 amIAD - HOU

1 stop5h 01mDelta

Deal found 12/17

$313

Wed 12/313:25 pmHOU - IAD

1 stop6h 27mDelta

Mon 1/56:20 amIAD - HOU

1 stop5h 01mDelta

Deal found 12/15

$458

Wed 12/312:35 pmHOU - IAD

1 stop6h 35mSouthwest

Fri 1/25:00 amIAD - HOU

1 stop9h 25mSouthwest

Deal found 12/17

$468

Tue 12/306:00 amHOU - IAD

1 stop5h 13mDelta

Thu 1/16:00 amIAD - HOU

1 stop5h 01mDelta

Deal found 12/17

$517

Tue 12/302:55 pmHOU - IAD

1 stop7h 30mSouthwest

Mon 1/51:50 pmIAD - HOU

1 stop8h 05mSouthwest

Deal found 12/15

$537

Tue 12/236:40 pmHOU - IAD

1 stop4h 32mDelta

Thu 1/16:00 amIAD - HOU

1 stop5h 01mDelta

Deal found 12/16

$560

Tue 12/306:40 pmHOU - IAD

1 stop4h 32mDelta

Sat 1/36:00 amIAD - HOU

1 stop5h 01mDelta

Deal found 12/16

$578

Fri 12/2610:46 amHOU - IAD

1 stop6h 15mDelta

Wed 12/314:17 pmIAD - HOU

1 stop5h 07mDelta

Deal found 12/17

$610

Sat 12/273:35 pmHOU - IAD

1 stop8h 20mSouthwest

Thu 1/17:40 amIAD - HOU

1 stop8h 05mSouthwest

Deal found 12/17

$618

Best flights from Hobby to Dulles Intl
Discover carefully curated flight deals from Hobby to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Wed 2/185:25 amHOU - IAD

1 stop5h 10mDelta

Sat 2/216:00 amIAD - HOU

1 stop5h 03mDelta

Deal found 12/17

$305

Wed 1/216:30 amHOU - IAD

2 stops8h 20mSouthwest

Wed 1/289:05 amIAD - HOU

1 stop9h 30mSouthwest

Deal found 12/15

$310

Wed 3/410:15 amHOU - IAD

1 stop5h 16mAmerican Airlines

Tue 3/1011:24 amIAD - HOU

2 stops9h 26mAmerican Airlines

Deal found 12/17

$344

Wed 1/2111:09 amHOU - IAD

1 stop6h 12mDelta

Wed 1/2810:08 amIAD - HOU

1 stop7h 02mDelta

Deal found 12/15

$305

Wed 1/76:30 amHOU - IAD

2 stops8h 20mSouthwest

Tue 1/139:05 amIAD - HOU

1 stop7h 20mSouthwest

Deal found 12/17

$310

Sat 1/315:45 amHOU - IAD

1 stop4h 58mDelta

Sat 2/76:00 amIAD - HOU

1 stop5h 21mDelta

Deal found 12/17

$305

Sat 1/2411:10 amHOU - IAD

2 stops10h 00mSouthwest

Wed 1/289:05 amIAD - HOU

1 stop7h 20mSouthwest

Deal found 12/16

$345

Wed 3/45:25 amHOU - IAD

1 stop5h 10mDelta

Tue 3/1010:06 amIAD - HOU

1 stop7h 26mDelta

Deal found 12/16

$339

Thu 1/86:15 amHOU - IAD

1 stop9h 35mSouthwest

Tue 1/139:05 amIAD - HOU

1 stop9h 30mSouthwest

Deal found 12/17

$349

Wed 1/75:45 amHOU - IAD

1 stop7h 14mDelta

Thu 1/89:00 amIAD - HOU

1 stop8h 10mDelta

Deal found 12/15

$349

Thu 1/85:45 amHOU - IAD

1 stop7h 14mDelta

Sat 1/106:20 amIAD - HOU

1 stop5h 01mDelta

Deal found 12/15

$349

Last-minute flights from Hobby to Dulles Intl
Discover last-minute flight deals from Hobby to Dulles Intl. Data last updated December 18, 2025 and is based on user searches.

Thu 12/256:00 amHOU - IAD

1 stop5h 13mDelta

Wed 1/286:00 amIAD - HOU

1 stop5h 21mDelta

Deal found 12/17

$309

Thu 12/256:00 amHOU - IAD

1 stop5h 13mDelta

Thu 1/16:00 amIAD - HOU

1 stop5h 01mDelta

Deal found 12/17

$313

Wed 1/72:10 pmHOU - IAD

1 stop6h 45mSouthwest

Tue 1/139:05 amIAD - HOU

1 stop9h 30mSouthwest

Deal found 12/17

$305

Thu 1/85:45 amHOU - IAD

1 stop7h 14mDelta

Sat 1/106:20 amIAD - HOU

1 stop5h 01mDelta

Deal found 12/15

$349

Thu 1/86:30 amHOU - IAD

2 stops8h 20mSouthwest

Tue 1/139:05 amIAD - HOU

1 stop9h 30mSouthwest

Deal found 12/17

$354

Wed 1/146:30 amHOU - IAD

2 stops8h 20mSouthwest

Wed 1/219:05 amIAD - HOU

1 stop9h 30mSouthwest

Deal found 12/15

$344

Sat 1/1712:49 pmHOU - IAD

2 stops9h 53mAmerican Airlines

Sat 1/245:26 pmIAD - HOU

1 stop6h 20mAmerican Airlines

Deal found 12/15

$310

Sat 1/175:45 amHOU - IAD

1 stop4h 51mDelta

Fri 1/233:42 pmIAD - HOU

1 stop7h 51mDelta

Deal found 12/15

$361

Sat 1/2411:10 amHOU - IAD

2 stops10h 00mSouthwest

Wed 1/289:05 amIAD - HOU

1 stop7h 20mSouthwest

Deal found 12/15

$345

One-way flights from Hobby to Dulles Intl
Search for one-way flight options from Hobby to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Wed 1/711:09 amHOU - IAD

1 stop5h 08mDelta

Deal found 12/16

$153

Thu 12/256:00 amHOU - IAD

1 stop5h 13mDelta

Deal found 12/17

$157

Wed 1/76:30 amHOU - IAD

2 stops8h 20mSouthwest

Deal found 12/14

$158

Thu 1/295:45 amHOU - IAD

1 stop4h 59mDelta

Deal found 12/16

$188

Wed 12/312:35 pmHOU - IAD

1 stop6h 35mSouthwest

Deal found 12/16

$190

Wed 1/146:30 amHOU - IAD

2 stops8h 20mSouthwest

Deal found 12/15

$193

Mon 1/125:04 pmHOU - IAD

1 stop5h 33mDelta

Deal found 12/15

$197

Tue 1/611:09 amHOU - IAD

1 stop5h 08mDelta

Deal found 12/14

$200

Mon 1/126:30 amHOU - IAD

2 stops8h 20mSouthwest

Deal found 12/17

$202

Fri 1/1610:35 amHOU - IAD

1 stop4h 55mAmerican Airlines

Deal found 12/17

$209

Tue 2/176:00 amHOU - IAD

2 stops7h 43mAmerican Airlines

Deal found 12/16

$214

Find flight deals from Hobby to Dulles Intl

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$305 (Delta)
One-way from	$153 (Delta)
Popular in	December
Cheapest in	October
Average price	$440

Provider with most accurate pricing for Houston Hobby-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Houston Hobby-Washington, D.C. Dulles Intl flights.

Search Deals

From Houston Hobby to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Houston Hobby to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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 2/18

5:25 am-11:35 am

1 stop5h 10m

Washington, D.C. Dulles Intl

Sat 2/21

6:00 am-10:03 am

1 stop5h 03m

$305

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 1/21

11:09 am-6:21 pm

1 stop6h 12m

Washington, D.C. Dulles Intl

Wed 1/28

10:08 am-4:10 pm

1 stop7h 02m

$305

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 1/31

5:45 am-11:43 am

1 stop4h 58m

Washington, D.C. Dulles Intl

Sat 2/7

6:00 am-10:21 am

1 stop5h 21m

$305

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 1/21

6:30 am-3:50 pm

2 stops8h 20m

Washington, D.C. Dulles Intl

Wed 1/28

9:05 am-5:35 pm

1 stop9h 30m

$310

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 1/7

6:30 am-3:50 pm

2 stops8h 20m

Washington, D.C. Dulles Intl

Tue 1/13

9:05 am-3:25 pm

1 stop7h 20m

$310

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 3/4

5:25 am-11:35 am

1 stop5h 10m

Washington, D.C. Dulles Intl

Tue 3/10

10:06 am-4:32 pm

1 stop7h 26m

$339

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 3/4

10:15 am-4:31 pm

1 stop5h 16m

Washington, D.C. Dulles Intl

Tue 3/10

11:24 am-7:50 pm

2 stops9h 26m

$344

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 1/24

11:10 am-10:10 pm

2 stops10h 00m

Washington, D.C. Dulles Intl

Wed 1/28

9:05 am-3:25 pm

1 stop7h 20m

$345

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 1/8

6:15 am-4:50 pm

1 stop9h 35m

Washington, D.C. Dulles Intl

Tue 1/13

9:05 am-5:35 pm

1 stop9h 30m

$349

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 1/7

5:45 am-1:59 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

Thu 1/8

9:00 am-4:10 pm

1 stop8h 10m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 19 results

Compare providers for flights from Hobby to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hobby to Dulles Intl in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Houston Hobby Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Houston Hobby Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Houston Hobby Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Houston Hobby Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston Hobby Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Hobby to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Hobby 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 Houston Hobby Airport to Washington, D.C. Dulles Intl Airport

Prices

Delays

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

To ensure you get the cheapest price possible for a flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport (average of $54). Flying from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $276). 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 HOU to IAD?

It’s optimal to fly from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with United Airlines, American Airlines, and Spirit Airlines from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

9,092 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

American Airlines

7.2

Good

11,053 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Spirit Airlines

6.3

Okay

8,190 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Frontier

5.8

Fair

3,082 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

How long is the flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?
For as low as $305, Delta can have you in Washington, D.C. Dulles Intl Airport from Houston Hobby Airport in 5h 10m. Houston Hobby Airport and Washington, D.C. Dulles Intl Airport are separated by a distance of 1199 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport round-trip?
Flying on Spirit Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $54. Additional round-trip tickets that might be worth considering are offered by Frontier and United Airlines, with the lowest prices starting at $144 and $223, respectively. Spirit Airlines is currently priced 83% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $75. United Airlines flights start at $128 while deals on American Airlines start at $144 one-way.
Can I find deals for flights from Hobby to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Hobby to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Hobby to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hobby to Dulles Intl.
Can I find deals for business class flights from Hobby to Dulles Intl?
Yes. Cheapflights offers flight deals from Hobby to Dulles Intl 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 Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport (average of $54). Flying from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $276). 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

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Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Hobby to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$54	Average$185	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$144	Average$228	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$232	Average$377	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$288	Average$343	FlexibilityNo cancel fee	On-time71%

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$153+ Cheap flights from Hobby (HOU) to Dulles Intl (IAD)

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Hobby to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Houston Hobby to Washington, D.C. Dulles Intl are usually found in October or August, booked 67 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Hobby to Dulles Intl

Cheapest flights from Hobby to Dulles IntlExplore the most affordable flight options available from Hobby to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Hobby to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Hobby to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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.

Compare providers for flights from Hobby to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hobby to Dulles Intl in December.

Best time to book a flight from Hobby to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Hobby with our price prediction graph.

Cheapflights Insights

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

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

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

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

How often are flights from Houston to Washington, D.C. delayed?

What is the most punctual flight time for Houston to Washington, D.C. flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Houston to Washington, D.C. flights?

Reviews of airlines servicing Dulles Intl

Related info for your journey

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

How long is the flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport?

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

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

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

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for Hobby to Dulles Intl

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Top 4 airlines flying from Hobby to Dulles Intl

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Cheapest flights from Hobby to Dulles Intl
Explore the most affordable flight options available from Hobby to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.