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Cheap flights from Houston George Bush Intcntl Airport to Washington, D.C. from $63

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 George Bush Intcntl Airport to Washington, D.C. departing on 1/12. 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 George Bush Intcntl Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:05 am - 11:28 amIAH-IAD
5h 23m1 stop
Multiple Airlines Logo
5:50 pm - 11:00 pmIAD-IAH
6h 10m1 stop
$146Multiple Airlines
Find Deal
dom., ene. 11 - dom., ene. 18
Multiple Airlines Logo
8:19 pm - 7:55 amIAH-IAD
10h 36m1 stop
Multiple Airlines Logo
6:00 am - 3:19 pmIAD-IAH
10h 19m1 stop
$151Multiple Airlines
Find Deal
jue., ene. 8 - dom., ene. 11
Frontier Logo
6:00 am - 6:16 pmIAH-IAD
11h 16m1 stop
Frontier Logo
6:05 am - 4:52 pmIAD-IAH
11h 47m1 stop
$156Frontier
Find Deal
jue., dic. 25 - mié., dic. 31
Multiple Airlines Logo
6:05 am - 4:50 pmIAH-IAD
9h 45m1 stop
Multiple Airlines Logo
6:00 am - 3:19 pmIAD-IAH
10h 19m1 stop
$157Multiple Airlines
Find Deal
mié., ene. 7 - sáb., ene. 10
Multiple Airlines Logo
5:05 am - 11:28 amIAH-IAD
5h 23m1 stop
Multiple Airlines Logo
2:58 pm - 10:41 pmIAD-IAH
8h 43m2 stops
$162Multiple Airlines
Find Deal
jue., ene. 8 - lun., ene. 12
Frontier Logo
6:00 am - 4:37 pmIAH-IAD
9h 37m1 stop
Frontier Logo
6:05 am - 4:52 pmIAD-IAH
11h 47m1 stop
$164Frontier
Find Deal
mar., dic. 23 - mié., dic. 31
Frontier Logo
5:02 pm - 11:10 pmIAH-IAD
5h 08m1 stop
Frontier Logo
6:58 pm - 8:53 pmIAD-IAH
26h 55m1 stop
$166Frontier
Find Deal
jue., dic. 11 - lun., dic. 15
Multiple Airlines Logo
5:25 pm - 3:05 pmIAH-IAD
20h 40m1 stop
Multiple Airlines Logo
4:00 pm - 2:03 pmIAD-IAH
23h 03m1 stop
$168Multiple Airlines
Find Deal
jue., dic. 11 - lun., dic. 15
Multiple Airlines Logo
3:09 pm - 11:38 amIAH-IAD
19h 29m1 stop
Multiple Airlines Logo
6:05 am - 4:52 pmIAD-IAH
11h 47m1 stop
$169Multiple Airlines
Find Deal
mié., dic. 24 - mié., dic. 31
Frontier Logo
6:00 am - 6:16 pmIAH-IAD
11h 16m1 stop
Frontier Logo
5:37 pm - 10:51 pmIAD-IAH
6h 14m1 stop
$170Frontier
Find Deal
jue., dic. 25 - jue., ene. 29

Frontier flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Dec 25
IAH6:00 amHouston George Bush Intcntl
11h 16m
1 stop
IAD6:16 pmWashington, D.C. Dulles Intl
Dec 31
IAD6:05 amWashington, D.C. Dulles Intl
11h 47m
1 stop
IAH4:52 pmHouston George Bush Intcntl
$156
Find similar
Frontier
Dec 23
IAH6:00 amHouston George Bush Intcntl
9h 37m
1 stop
IAD4:37 pmWashington, D.C. Dulles Intl
Dec 31
IAD6:05 amWashington, D.C. Dulles Intl
11h 47m
1 stop
IAH4:52 pmHouston George Bush Intcntl
$164
Find similar
Frontier
Dec 11
IAH5:02 pmHouston George Bush Intcntl
5h 08m
1 stop
IAD11:10 pmWashington, D.C. Dulles Intl
Dec 15
IAD6:58 pmWashington, D.C. Dulles Intl
26h 55m
1 stop
IAH8:53 pmHouston George Bush Intcntl
$166
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl 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 noviembre 26, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

dom. 1/11

5:05 am-11:28 am

1 stop5h 23m

Washington, D.C. Dulles Intl

dom. 1/18

5:50 pm-11:00 pm

1 stop6h 10m

$146

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

jue. 1/8

8:19 pm-7:55 am

1 stop10h 36m

Washington, D.C. Dulles Intl

dom. 1/11

6:00 am-3:19 pm

1 stop10h 19m

$151

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

jue. 12/25

6:00 am-6:16 pm

1 stop11h 16m

Washington, D.C. Dulles Intl

mié. 12/31

6:05 am-4:52 pm

1 stop11h 47m

$156

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mié. 1/7

6:05 am-4:50 pm

1 stop9h 45m

Washington, D.C. Dulles Intl

sáb. 1/10

6:00 am-3:19 pm

1 stop10h 19m

$157

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

jue. 1/8

5:05 am-11:28 am

1 stop5h 23m

Washington, D.C. Dulles Intl

lun. 1/12

2:58 pm-10:41 pm

2 stops8h 43m

$162

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mar. 12/23

6:00 am-4:37 pm

1 stop9h 37m

Washington, D.C. Dulles Intl

mié. 12/31

6:05 am-4:52 pm

1 stop11h 47m

$164

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

jue. 12/11

5:02 pm-11:10 pm

1 stop5h 08m

Washington, D.C. Dulles Intl

lun. 12/15

6:58 pm-8:53 pm

1 stop26h 55m

$166

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

jue. 12/11

5:25 pm-3:05 pm

1 stop20h 40m

Washington, D.C. Dulles Intl

lun. 12/15

4:00 pm-2:03 pm

1 stop23h 03m

$168

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mié. 12/24

3:09 pm-11:38 am

1 stop19h 29m

Washington, D.C. Dulles Intl

mié. 12/31

6:05 am-4:52 pm

1 stop11h 47m

$169

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

jue. 12/25

6:00 am-6:16 pm

1 stop11h 16m

Washington, D.C. Dulles Intl

jue. 1/29

5:37 pm-10:51 pm

1 stop6h 14m

$170

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Houston George Bush Intcntl 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 George Bush Intcntl 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 $281. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $315.

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 George Bush Intcntl 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 George Bush Intcntl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $816 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 $965 on average. Flights to Washington, D.C. Dulles Intl Airport from Houston George Bush Intcntl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Houston George Bush Intcntl to Washington, D.C. Dulles Intl flight route?

Fly from Houston George Bush Intcntl to Washington, D.C. Dulles Intl for the best Houston George Bush Intcntl - Washington, D.C. Dulles Intl flight prices

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 George Bush Intcntl 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 $385 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 George Bush Intcntl Airport for as low as $267 on momondo.

What cabin class options are available on Houston George Bush Intcntl to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 45% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flight.

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

As of November 2025, prices for Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 69% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl 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 George Bush Intcntl 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 George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport (IAH to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport

Best Price Found

$287

Fastest flight time

2h 52m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Houston George Bush Intcntl Airport in the past 72 hours is $287. The best round-trip flight deal from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $533.
The fastest flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport takes 2h 52m
Direct flights go from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Houston George Bush Intcntl to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Houston George Bush Intcntl to Washington, D.C. Dulles Intl is 1188.5 mi. Typically, this will take 5h 08m by plane in normal conditions.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl 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 George Bush Intcntl 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 necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
FrontierPriceFrom $144Free CancellationRating
5.8
3,099 reviews
Search Frontier flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom $266Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights

  • United Airlines Flights From Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport

    United Airlines operates around 29 flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $415, but momondo users have found United Airlines deals from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport from as low as $266 round-trip. United Airlines has been scored 7.4/10 in 9,046 reviews.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
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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.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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