HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$124+ Cheap flights from George Bush Intcntl (IAH) to Dulles Intl (IAD)

IAH — IAD
Nov 26 — Dec 31
Thu 11/26
Thu 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl 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 George Bush Intcntl to Washington, D.C. Dulles Intl are usually found in January or August, booked 74 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from George Bush Intcntl to Dulles Intl

Cheapest flights from George Bush Intcntl to Dulles Intl

Thu 11/1911:50 am -
2 stops10h 53m
Sat 11/216:50 am -
1 stop11h 24m
Deal found 10/26$246
Thu 11/58:18 am -
1 stop10h 53m
Fri 11/66:07 pm -
1 stop21h 37m
Deal found 10/22$248
Fri 10/308:18 am -
1 stop10h 53m
Mon 11/26:07 pm -
1 stop21h 37m
Deal found 10/22$249
Mon 11/212:27 pm -
1 stop20h 54m
Mon 11/99:06 pm -
1 stop11h 17m
Deal found 10/22$250
Fri 11/68:18 am -
1 stop10h 53m
Tue 11/1011:16 am -
1 stop29h 14m
Deal found 10/27$251
Mon 11/96:40 pm -
Nonstop3h 04m
Thu 11/122:38 pm -
Nonstop3h 37m
Deal found 10/22$252
Tue 10/278:18 am -
1 stop10h 53m
Thu 11/59:06 pm -
1 stop11h 17m
Deal found 10/22$253
Thu 11/1911:50 am -
2 stops10h 53m
Thu 12/311:08 am -
2 stops22h 28m
Deal found 10/26$254
Fri 10/308:18 am -
1 stop10h 53m
Tue 11/311:16 am -
1 stop29h 14m
Deal found 10/25$255
Sat 11/219:14 pm -
1 stop14h 00m
Mon 11/236:50 am -
2 stops18h 35m
Deal found 10/24$256
Tue 11/38:18 am -
2 stops47h 55m
Fri 11/66:07 pm -
1 stop21h 37m
Deal found 10/25$257
Sun 11/225:01 am -
1 stop14h 39m
Tue 11/248:22 pm -
1 stop13h 22m
Deal found 10/22$258

Find flight deals from George Bush Intcntl to Dulles Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$246
(Mytrip)

One-way from

$124
(Super.com)

Popular in

June

Cheapest in

January

Average price

$401

Good round-trip deal

$502 or less

Good one-way deal

$301 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Washington, D.C. Dulles Intl flights.
Search Deals
From Houston George Bush Intcntl to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Houston George Bush Intcntl to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
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

Cheapest round-trip

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Thu 12/10

4:45 pm-8:49 pm

Nonstop3h 04m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$149

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Sun 11/22

6:58 pm-11:02 pm

Nonstop3h 04m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$169

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Fri 12/18

2:36 pm-6:36 pm

Nonstop3h 00m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$180

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Sat 12/12

4:45 pm-8:49 pm

Nonstop3h 04m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$202

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Tue 11/24

11:55 am-3:59 pm

Nonstop3h 04m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$204
Quickest round-trip

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Sun 11/15

8:38 pm-12:37 am

Nonstop2h 59m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$224

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Sun 12/6

4:45 pm-8:49 pm

Nonstop3h 04m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$224

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Fri 12/11

6:38 pm-10:42 pm

Nonstop3h 04m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$257

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Wed 12/23

6:40 pm-10:41 pm

Nonstop3h 01m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$257

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - IAD Washington, D.C. Dulles Intl

IAHIAD

Houston George Bush Intcntl

Sun 12/27

8:40 pm-12:41 am

Nonstop3h 01m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from George Bush Intcntl to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Dulles Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust 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 George Bush Intcntl Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl 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 George Bush Intcntl Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 George Bush Intcntl 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 George Bush Intcntl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from George Bush Intcntl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

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

The price you pay for your flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport (average of $373). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $602). 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 IAH to IAD?

It’s optimal to fly from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport at noon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the evening.

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

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

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flights typically cost between $331 and $537 in November.
The cheapest round-trip price found within the last 5 days was $246 on Frontier (Nov 19-Nov 21).

The best insider tips for Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Dulles Intl

Peruse reviews from past customers who have flown with United Airlines and Frontier from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.3
Good
10,442 reviews

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Overall

7.3

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.3
Good
10,442 reviews
United Airlines
7.3
Good
10,442 reviews

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Overall

7.3

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Frontier
5.5
Fair
2,516 reviews
United Airlines
7.3
Good
10,442 reviews

Boarding

7.7

Food

6.7

Crew

8.1

Entertainment

7.1

Overall

7.3

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

  • How long is the flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

    Airlines like United Airlines and Delta fly from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport in about 3h 04m. The time it takes to get you to your destination can typically vary by up to 4h 15m. Houston George Bush Intcntl Airport and Washington, D.C. Dulles Intl Airport are separated by a distance of 1188 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport is Frontier. Our recent data shows that you can find tickets from as low as $113 on this airline. An additional option worth looking into is United Airlines, starting at $286. Frontier is priced at 75% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $55. Users have also found prices from $148 and $196 on United Airlines and Delta, respectively.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: ITA Airways (100%), Air China (94%), Brussels Airlines( 89%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

    Looking at all options, your cheapest flight can be booked for $164. While the most popular route (Houston George Bush Intcntl - Washington, D.C. Dulles Intl) can be booked for $139 on average, our data indicates $1,119 when flying from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport.

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

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

  • How can I find direct flights from George Bush Intcntl to Dulles Intl?

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

  • Can I find deals for business class flights from George Bush Intcntl to Dulles Intl?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport (average of $373). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $602). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Chantilly
Woodbridge
Arlington
Owings Mills
Sterling
Lanham
Reston
Herndon
Hyattsville
Rockville
Springfield
Fredericksburg
Tysons
Falls Church
Towson
Silver Spring
Oxon Hill
Laurel
Clinton

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for George Bush Intcntl to Dulles Intl

Hobby to Baltimore flights
Hobby to Reagan-National flights
Hobby to Dulles Intl flights
George Bush Intcntl to Baltimore flights
George Bush Intcntl to Reagan-National flights

Top 2 airlines flying from George Bush Intcntl to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$113Average$290FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$286Average$510FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights