Cheap flights from Houston Hobby Airport to Washington, D.C. from $140

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 11/24. 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

Allegiant Air Logo
8:02 pm - 8:25 pmHOU-IAD
23h 23m2 stops
Allegiant Air Logo
3:13 pm - 7:12 pmIAD-HOU
4h 59m1 stop
$289Allegiant Air
Find Deal
Fri, Aug 15 - Mon, Aug 18
Delta Logo
6:34 pm - 12:21 amHOU-IAD
4h 47m1 stop
Delta Logo
6:00 am - 12:10 pmIAD-HOU
7h 10m1 stop
$297Delta
Find Deal
Fri, Aug 22 - Sun, Aug 24
Southwest Logo
1:10 pm - 11:30 pmHOU-IAD
9h 20m1 stop
Southwest Logo
5:05 am - 3:05 pmIAD-HOU
11h 00m2 stops
$302Southwest
Find Deal
Thu, Nov 6 - Mon, Nov 10
Allegiant Air Logo
8:02 pm - 8:25 pmHOU-IAD
23h 23m2 stops
Allegiant Air Logo
3:13 pm - 7:12 pmIAD-HOU
4h 59m1 stop
$310Allegiant Air
Find Deal
Fri, Aug 15 - Mon, Aug 18
Delta Logo
6:00 am - 2:31 pmHOU-IAD
7h 31m1 stop
Delta Logo
6:00 am - 12:10 pmIAD-HOU
7h 10m1 stop
$315Delta
Find Deal
Sat, Aug 23 - Sun, Aug 24
Southwest Logo
11:55 am - 11:30 pmHOU-IAD
10h 35m2 stops
Southwest Logo
5:05 am - 3:05 pmIAD-HOU
11h 00m2 stops
$325Southwest
Find Deal
Thu, Nov 6 - Mon, Nov 10
Southwest Logo
8:45 am - 10:50 pmHOU-IAD
13h 05m2 stops
Southwest Logo
2:10 pm - 8:30 pmIAD-HOU
7h 20m1 stop
$326Southwest
Find Deal
Sat, Aug 30 - Thu, Sep 4
Delta Logo
6:34 pm - 12:21 amHOU-IAD
4h 47m1 stop
Delta Logo
6:00 am - 12:10 pmIAD-HOU
7h 10m1 stop
$333Delta
Find Deal
Fri, Aug 22 - Sun, Aug 24
American Airlines Logo
8:00 am - 6:47 pmHOU-IAD
9h 47m2 stops
American Airlines Logo
11:47 am - 3:55 pmIAD-HOU
5h 08m1 stop
$338American Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13
American Airlines Logo
8:25 pm - 11:01 amHOU-IAD
13h 36m1 stop
American Airlines Logo
6:27 am - 7:55 pmIAD-HOU
14h 28m1 stop
$363American Airlines
Find Deal
Sun, Aug 24 - Sun, Aug 31

Sun Country Air flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport

Our best Sun Country Air deals on Houston Hobby Airport to Washington, D.C. Dulles Intl Airport flight tickets
Sun Country Air
Aug 7
HOU6:24 pmHouston Hobby
17h 07m
1 stop
IAD12:31 pmWashington, D.C. Dulles Intl
Aug 10
IAD11:04 amWashington, D.C. Dulles Intl
6h 26m
1 stop
HOU4:30 pmHouston Hobby
Sun Country Air
Aug 7
HOU6:24 pmHouston Hobby
17h 07m
1 stop
IAD12:31 pmWashington, D.C. Dulles Intl
Aug 10
IAD11:04 amWashington, D.C. Dulles Intl
6h 26m
1 stop
HOU4:30 pmHouston Hobby

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
Aug 22
HOU6:34 pmHouston Hobby
4h 47m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
Aug 24
IAD6:00 amWashington, D.C. Dulles Intl
7h 10m
1 stop
HOU12:10 pmHouston Hobby
Delta
Aug 23
HOU6:00 amHouston Hobby
7h 31m
1 stop
IAD2:31 pmWashington, D.C. Dulles Intl
Aug 24
IAD6:00 amWashington, D.C. Dulles Intl
7h 10m
1 stop
HOU12:10 pmHouston Hobby
Delta
Aug 22
HOU6:34 pmHouston Hobby
4h 47m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
Aug 24
IAD6:00 amWashington, D.C. Dulles Intl
7h 10m
1 stop
HOU12:10 pmHouston Hobby

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 August 2, 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

Fri 8/15

8:02 pm-8:25 pm

2 stops23h 23m

Washington, D.C. Dulles Intl

Mon 8/18

3:13 pm-7:12 pm

1 stop4h 59m

$289

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Fri 8/22

6:34 pm-12:21 am

1 stop4h 47m

Washington, D.C. Dulles Intl

Sun 8/24

6:00 am-12:10 pm

1 stop7h 10m

$297

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 11/6

1:10 pm-11:30 pm

1 stop9h 20m

Washington, D.C. Dulles Intl

Mon 11/10

5:05 am-3:05 pm

2 stops11h 00m

$302

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Fri 8/15

8:02 pm-8:25 pm

2 stops23h 23m

Washington, D.C. Dulles Intl

Mon 8/18

3:13 pm-7:12 pm

1 stop4h 59m

$310

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 8/23

6:00 am-2:31 pm

1 stop7h 31m

Washington, D.C. Dulles Intl

Sun 8/24

6:00 am-12:10 pm

1 stop7h 10m

$315

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 11/6

11:55 am-11:30 pm

2 stops10h 35m

Washington, D.C. Dulles Intl

Mon 11/10

5:05 am-3:05 pm

2 stops11h 00m

$325

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 8/30

8:45 am-10:50 pm

2 stops13h 05m

Washington, D.C. Dulles Intl

Thu 9/4

2:10 pm-8:30 pm

1 stop7h 20m

$326

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Fri 8/22

6:34 pm-12:21 am

1 stop4h 47m

Washington, D.C. Dulles Intl

Sun 8/24

6:00 am-12:10 pm

1 stop7h 10m

$333

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sat 9/6

8:00 am-6:47 pm

2 stops9h 47m

Washington, D.C. Dulles Intl

Sat 9/13

11:47 am-3:55 pm

1 stop5h 08m

$338

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Sun 8/24

8:25 pm-11:01 am

1 stop13h 36m

Washington, D.C. Dulles Intl

Sun 8/31

6:27 am-7:55 pm

1 stop14h 28m

$363

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

In general, June 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 $296. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of June, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $328.

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 $649 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 $964 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 $359 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 $260 on momondo.

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

As of August 2025, prices for Houston Hobby Airport to Washington, D.C. Dulles Intl Airport flights are approximately 7% 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

Best Price Found

$140

Fastest flight time

4h 28m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Houston Hobby Airport in the past 72 hours is $140. The best round-trip flight deal from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $289.
The fastest flight from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport takes 4h 28m
There are no direct flights from Houston Hobby Airport to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Houston Hobby Airport - 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 4h 28m.

  • 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
8,054 reviews
Search Spirit Airlines flights
FrontierPriceFrom $180Free CancellationRating
5.8
3,241 reviews
Search Frontier flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
DeltaPriceFrom $269Free CancellationRating
8.0
7,983 reviews
Search Delta flights
American AirlinesPriceFrom $278Free CancellationRating
7.2
10,000 reviews
Search American 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
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

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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Thu 8/7
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