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Dulles Intl

$80+ Cheap flights from George Bush Intcntl (IAH) 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IAD
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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The best prices from Houston George Bush Intcntl to Washington, D.C. Dulles Intl are usually found in September or April, booked 79 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from George Bush Intcntl to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Dulles Intl (IAD). 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 enero 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$173
(Booking.com)

One-way from

$81
(Frontier)

Popular in

March

Cheapest in

September

Average price

$419

Good round-trip deal

$450 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Washington, D.C. Dulles Intl flights.
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From Houston George Bush Intcntl to Washington, D.C. Dulles Intl
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One-way flight from Houston George Bush Intcntl to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Washington, D.C. Dulles Intl.
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Find flight deals from George Bush Intcntl to Dulles Intl

Cheapest flights from George Bush Intcntl to Dulles Intl
Explore the most affordable flight options available from George Bush Intcntl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 21, 2025.

This Frontier deal was found by Cheapflights users on 1/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/187:12 pmIAH - IAD
1 stop12h 12mFrontier
sáb. 5/249:31 pmIAD - IAH
1 stop10h 52mFrontier
Deal found 1/21$174
This American Airlines deal was found by Cheapflights users on 1/21. 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.
mar. 2/187:42 amIAH - IAD
1 stop4h 36mAmerican Airlines
mar. 2/185:13 pmIAD - IAH
1 stop5h 57mAmerican Airlines
Deal found 1/21$252
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/412:40 pmIAH - IAD
3 stops21h 46mMultiple Airlines
sáb. 3/88:25 amIAD - IAH
3 stops16h 06mMultiple Airlines
Deal found 1/20$258
This Delta deal was found by Cheapflights users on 1/20. 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.
mar. 3/117:05 amIAH - IAD
1 stop8h 14mDelta
mié. 3/127:35 amIAD - IAH
1 stop17h 24mDelta
Deal found 1/20$263
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/276:32 pmIAH - IAD
Nonstop2h 58mUnited Airlines
dom. 3/28:25 amIAD - IAH
Nonstop3h 35mUnited Airlines
Deal found 1/21$269
This Kissandfly.com deal was found by Cheapflights users on 1/19. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/307:45 amIAH - IAD
Nonstop3h 04mSpirit Airlines
lun. 2/38:15 amIAD - IAH
1 stop11h 50mSpirit Airlines
Deal found 1/19$315

Find flights from George Bush Intcntl to Dulles Intl within your budget

Customize your flight search to find flights from George Bush Intcntl to Dulles Intl 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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

jue. 3/27

2:34 pm-4:45 pm

1 stop25h 11m

Washington, D.C. Dulles Intl

dom. 3/30

8:46 pm-7:48 am

1 stop12h 02m

$178

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mar. 2/18

7:42 am-1:18 pm

1 stop4h 36m

Washington, D.C. Dulles Intl

mar. 2/18

5:13 pm-10:10 pm

1 stop5h 57m

$252

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mar. 3/4

12:40 pm-11:26 am

3 stops21h 46m

Washington, D.C. Dulles Intl

sáb. 3/8

8:25 am-11:31 pm

3 stops16h 06m

$258

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mar. 3/11

7:05 am-4:19 pm

1 stop8h 14m

Washington, D.C. Dulles Intl

mié. 3/12

7:35 am-11:59 pm

1 stop17h 24m

$263

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

jue. 2/27

6:32 pm-10:30 pm

Nonstop2h 58m

Washington, D.C. Dulles Intl

dom. 3/2

8:25 am-11:00 am

Nonstop3h 35m

$269

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

lun. 4/7

9:14 pm-7:40 am

1 stop9h 26m

$80

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mié. 3/5

12:45 pm-11:26 am

3 stops21h 41m

$116

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

lun. 2/24

6:32 pm-10:30 pm

Nonstop2h 58m

$135

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mar. 4/15

6:00 am-11:24 am

1 stop4h 24m

$145

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mar. 4/15

7:58 am-4:22 pm

2 stops7h 24m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 11 results
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Compare providers for flights from George Bush Intcntl 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 George Bush Intcntl to Dulles Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice 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
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.

Travel insights for flights from George Bush Intcntl to Dulles Intl

Get recent, data-driven insights about flights from George Bush Intcntl to Dulles Intl including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Dulles Intl. Price data was last updated on January 17, 2025.

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 79 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, August 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 $309). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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?

Find hourly flight availability from George Bush Intcntl to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 21, 2025.

It’s optimal to fly from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.

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

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

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday 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.

Weekly flight availability from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from George Bush Intcntl to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated enero 21, 2025.

The most flights from IAH to IAD are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

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.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated enero 21, 2025.
Read through reviews of airlines operating flights from Houston to Washington, D.C., such as Frontier, United Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Frontier
6.1
Okay
3,443 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Boarding

8.2

Crew

8.6

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Dulles Intl. 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 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 $173 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $263 and $269 round-trip. Frontier is priced at 54% 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 $81. Users have also found prices from $135 and $145 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: Avianca (83%), Air China (83%), United Airlines( 79%).

  • 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 $134. While the most popular route (Houston George Bush Intcntl - Washington, D.C. Dulles Intl) can be booked for $115 on average our data indicates $1,216 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, August 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 $309). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Greenbelt
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston

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Alternative routes for George Bush Intcntl to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Dulles Intl flights
Hobby to Reagan-National flights
Hobby to Baltimore flights
George Bush Intcntl to Reagan-National flights
George Bush Intcntl to Baltimore flights

Top 4 airlines flying from George Bush Intcntl to Dulles Intl

Discover the top 4 airlines that operate flights from George Bush Intcntl to Dulles Intl. 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$206FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$234Average$397FlexibilityNo cancel feeOn-time71%
DeltaCheapest$240Average$348FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$393FlexibilityNo cancel feeOn-time69%
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