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Dulles Intl

$90+ Cheap flights from Houston 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — IAD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Houston to Washington, D.C. Dulles Intl are usually found in September or February, booked 68 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Houston to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 November 20, 2024.

Popular in

November

Cheapest in

September

Round-trip from

$166
(Mytrip)

One-way from

$90
(Frontier)
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 19% potential price drop
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From Houston to Washington, D.C. Dulles Intl
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One-way flight from Houston to Washington, D.C. Dulles Intl
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Find flight deals from Houston to Dulles Intl

Cheapest flights from Houston to Dulles Intl
Explore the most affordable flight options available from Houston to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:36 pmIAH - IAD
1 stop23h 43mFrontier
Sun 12/155:57 pmIAD - IAH
1 stop22h 48mFrontier
Deal found 11/19$166
This eDestinos deal was found by Cheapflights users on 11/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/41:33 pmIAH - IAD
1 stop21h 47mMultiple Airlines
Thu 12/121:20 pmIAD - IAH
1 stop8h 55mMultiple Airlines
Deal found 11/19$168
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 12/106:34 amIAH - IAD
1 stop5h 36mAmerican Airlines
Tue 12/105:01 pmIAD - IAH
1 stop6h 15mAmerican Airlines
Deal found 11/18$258
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:10 pmIAH - IAD
Nonstop3h 01mUnited Airlines
Sun 12/156:00 amIAD - IAH
Nonstop3h 32mUnited Airlines
Deal found 11/20$269
This Delta deal was found by Cheapflights users on 11/18. 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.
Mon 12/94:48 pmHOU - IAD
1 stop6h 08mDelta
Tue 12/106:39 pmIAD - HOU
1 stop5h 12mDelta
Deal found 11/18$288
This Delta deal was found by Cheapflights users on 11/20. 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.
Tue 12/106:00 amIAH - IAD
1 stop4h 50mDelta
Wed 12/119:47 amIAD - IAH
1 stop5h 13mDelta
Deal found 11/20$288
This Southwest deal was found by Cheapflights users on 11/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/911:10 amHOU - IAD
1 stop10h 50mSouthwest
Tue 12/107:25 amIAD - HOU
2 stops10h 50mSouthwest
Deal found 11/18$358
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/710:15 amHOU - IAD
2 stops8h 13mAmerican Airlines
Tue 12/106:00 amIAD - HOU
1 stop6h 51mAmerican Airlines
Deal found 11/19$373
This Sun Country Air deal was found by Cheapflights users on 11/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/267:17 pmHOU - IAD
1 stop15h 35mSun Country Air
Sun 12/110:47 amIAD - HOU
1 stop25h 59mSun Country Air
Deal found 11/20$715

Find flights from Houston to Dulles Intl within your budget

Customize your flight search to find flights from Houston 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Thu 12/5

5:36 pm-6:19 pm

1 stop23h 43m

Washington, D.C. Dulles Intl

Sun 12/15

5:57 pm-3:45 pm

1 stop22h 48m

$166

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Wed 12/4

1:33 pm-12:20 pm

1 stop21h 47m

Washington, D.C. Dulles Intl

Thu 12/12

1:20 pm-9:15 pm

1 stop8h 55m

$168

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Tue 12/10

6:34 am-1:10 pm

1 stop5h 36m

Washington, D.C. Dulles Intl

Tue 12/10

5:01 pm-10:16 pm

1 stop6h 15m

$258

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Thu 12/12

6:10 pm-10:11 pm

Nonstop3h 01m

Washington, D.C. Dulles Intl

Sun 12/15

6:00 am-8:32 am

Nonstop3h 32m

$269

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Mon 12/9

4:48 pm-11:56 pm

1 stop6h 08m

Washington, D.C. Dulles Intl

Tue 12/10

6:39 pm-10:51 pm

1 stop5h 12m

$288

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Tue 12/10

6:00 am-11:50 am

1 stop4h 50m

Washington, D.C. Dulles Intl

Tue 12/10

5:35 pm-10:30 pm

1 stop5h 55m

$288

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Tue 1/14

10:15 am-7:35 pm

2 stops8h 20m

Washington, D.C. Dulles Intl

Sat 1/18

6:10 am-11:44 am

1 stop6h 34m

$293

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Mon 12/9

11:10 am-11:00 pm

1 stop10h 50m

Washington, D.C. Dulles Intl

Tue 12/10

7:25 am-5:15 pm

2 stops10h 50m

$358

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Fri 2/21

8:28 am-8:13 pm

1 stop10h 45m

$90

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Wed 12/4

6:10 pm-3:04 pm

2 stops19h 54m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 20 results
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Best time to book a flight from Houston to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Houston 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 Houston to Dulles Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Dulles Intl. Price data was last updated on November 15, 2024.

To ensure you get the cheapest price possible for a flight from Houston to Washington, D.C. Dulles Intl Airport, you should look to book at least 68 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 to Washington, D.C. Dulles Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Houston to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Houston to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). 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?

Find hourly flight availability from Houston 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 November 20, 2024.

It’s optimal to fly from Houston to Washington, D.C. Dulles Intl Airport in the evening. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Houston to Dulles Intl. Price data was last updated on June 30, 2024.

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

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 November 20, 2024.
To help decide which airline to fly from Houston to Washington, D.C., see what other customers have to say about American Airlines, Delta and Southwest. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Avelo Airlines
7.5
Good
74 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Allegiant Air
7.4
Good
850 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Comfort

8.1

Overall

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Houston 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 to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, Frontier ($166), American Airlines ($258), and United Airlines ($269) offers the cheapest pricing from Houston to Washington, D.C. Dulles Intl Airport. Users have found that Frontier is 56% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Houston 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 $90. Users have also found prices from $118 and $135 on Avelo Airlines and United Airlines, respectively.

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

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

  • How can I find direct flights from Houston to Dulles Intl?

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Houston to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Houston to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). 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.

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Alternative routes for Houston to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Houston to Dulles Intl

Discover the top 4 airlines that operate flights from Houston 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$203FlexibilityNo cancel feeOn-time65%
DeltaCheapest$240Average$355FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$388FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$257Average$387FlexibilityNo cancel feeOn-time71%
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