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Dulles Intl

$124+ Cheap flights from Galveston, TX 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — IAD
dic. 13 — dic. 201
sáb. 12/13
sáb. 12/20
1 adult, Economy
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Cheapflights Tip: The best prices from Galveston to Washington, D.C. Dulles Intl are usually found in October or August, booked 67 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Find flight deals from Galveston to Dulles Intl

Cheapest flights from Galveston to Dulles Intl
Explore the most affordable flight options available from Galveston to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 13, 2025.

This Delta deal was found by Cheapflights users on 11/12. 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. 12/92:32 pmHOU - IAD
1 stop8h 40mDelta
mié. 12/177:01 amIAD - HOU
1 stop16h 47mDelta
Deal found 11/12$303
This Delta deal was found by Cheapflights users on 11/11. 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.
jue. 12/2510:46 amHOU - IAD
1 stop11h 06mDelta
jue. 1/16:00 amIAD - HOU
1 stop5h 01mDelta
Deal found 11/11$342
This Delta deal was found by Cheapflights users on 11/11. 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.
jue. 12/2510:46 amHOU - IAD
1 stop11h 06mDelta
sáb. 1/36:00 amIAD - HOU
1 stop5h 01mDelta
Deal found 11/11$346
This Delta deal was found by Cheapflights users on 11/11. 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.
jue. 12/253:25 pmHOU - IAD
1 stop6h 27mDelta
mié. 12/316:00 amIAD - HOU
1 stop5h 01mDelta
Deal found 11/11$367
This Delta deal was found by Cheapflights users on 11/12. 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.
mié. 12/1710:39 amHOU - IAD
1 stop5h 21mDelta
mié. 12/314:17 pmIAD - HOU
1 stop5h 07mDelta
Deal found 11/12$371
This Delta deal was found by Cheapflights users on 11/12. 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.
sáb. 12/132:32 pmHOU - IAD
1 stop5h 57mDelta
lun. 12/153:38 pmIAD - HOU
1 stop8h 10mDelta
Deal found 11/12$375
This American Airlines deal was found by Cheapflights users on 11/11. 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.
mié. 12/315:40 amHOU - IAD
1 stop10h 25mAmerican Airlines
dom. 1/46:05 amIAD - HOU
1 stop6h 34mAmerican Airlines
Deal found 11/11$377
This Southwest deal was found by Cheapflights users on 11/12. 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.
sáb. 12/138:50 amHOU - IAD
2 stops12h 25mSouthwest
mar. 12/167:40 amIAD - HOU
1 stop9h 45mSouthwest
Deal found 11/12$380
This American Airlines deal was found by Cheapflights users on 11/12. 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.
sáb. 12/139:02 amHOU - IAD
2 stops9h 29mAmerican Airlines
mar. 12/167:55 amIAD - HOU
2 stops8h 58mAmerican Airlines
Deal found 11/12$385
This Southwest deal was found by Cheapflights users on 11/12. 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.
sáb. 12/138:50 amHOU - IAD
2 stops12h 25mSouthwest
lun. 12/157:40 amIAD - HOU
1 stop11h 10mSouthwest
Deal found 11/12$386
This Delta deal was found by Cheapflights users on 11/12. 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.
jue. 12/2510:46 amHOU - IAD
1 stop11h 06mDelta
mar. 12/3010:57 amIAD - HOU
1 stop7h 53mDelta
Deal found 11/12$387
This American Airlines deal was found by Cheapflights users on 11/12. 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.
mié. 12/312:16 pmHOU - IAD
2 stops9h 52mAmerican Airlines
mar. 12/96:00 amIAD - HOU
1 stop6h 45mAmerican Airlines
Deal found 11/12$388

Cheap flight deals from Galveston to Dulles Intl

Keep the following information in mind while searching for Galveston to Dulles Intl flight deals. Data was last updated noviembre 13, 2025.

Round-trip from

$303
(Delta)

One-way from

$124
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$504
From Galveston to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Galveston to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Galveston 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 noviembre 13, 2025.
Use the filters below to find and compare flights from Galveston to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Galveston

Fly to

Dulles Intl

Route

Depart

Return

Price

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

mar. 3/10

6:00 am-12:00 pm

1 stop5h 00m

Washington, D.C. Dulles Intl

mié. 3/18

1:00 pm-9:46 pm

1 stop9h 46m

$339

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

mié. 3/11

5:35 pm-12:07 am

1 stop5h 32m

Washington, D.C. Dulles Intl

mié. 3/18

1:00 pm-9:46 pm

1 stop9h 46m

$339

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

sáb. 12/13

2:32 pm-9:29 pm

1 stop5h 57m

Washington, D.C. Dulles Intl

lun. 12/15

3:38 pm-10:48 pm

1 stop8h 10m

$375

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

sáb. 12/13

2:32 pm-9:29 pm

1 stop5h 57m

Washington, D.C. Dulles Intl

sáb. 1/10

6:20 am-10:21 am

1 stop5h 01m

$375

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

jue. 3/12

1:00 pm-9:13 pm

1 stop7h 13m

Washington, D.C. Dulles Intl

lun. 3/16

6:00 am-12:21 pm

1 stop7h 21m

$375

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

mié. 12/10

10:39 am-5:00 pm

1 stop5h 21m

Washington, D.C. Dulles Intl

mié. 12/17

3:38 pm-10:48 pm

1 stop8h 10m

$375

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

mar. 5/5

5:35 pm-12:09 am

1 stop5h 34m

Washington, D.C. Dulles Intl

mié. 5/6

7:00 am-12:10 pm

1 stop6h 10m

$375

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

mié. 12/31

5:40 am-5:05 pm

1 stop10h 25m

Washington, D.C. Dulles Intl

dom. 1/4

6:05 am-11:39 am

1 stop6h 34m

$377

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

sáb. 12/13

8:50 am-10:15 pm

2 stops12h 25m

Washington, D.C. Dulles Intl

lun. 12/15

7:40 am-4:25 pm

1 stop9h 45m

$380

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

jue. 12/11

5:35 am-3:45 pm

1 stop9h 10m

Washington, D.C. Dulles Intl

lun. 12/15

7:40 am-5:50 pm

1 stop11h 10m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Showing 1-10 of 20 results
1
2

Best time to book a flight from Galveston to Dulles Intl

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

Cheapflights Insights

Everything you need to know about your flight from Galveston to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Galveston to Dulles Intl. Price data was last updated on November 7, 2025.

To ensure you get the cheapest price possible for a flight from Galveston to Washington, D.C. Dulles Intl Airport, you should look to book at least 67 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 Galveston to Washington, D.C. Dulles Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Galveston to Washington, D.C. Dulles Intl Airport (average of $54). Flying from Galveston to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $274). 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 G4L to IAD?

Find hourly flight availability from Galveston 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 noviembre 13, 2025.

One of the essential ways to save on airfare from Galveston to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 22% on airfare.

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

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

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

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 noviembre 13, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Galveston to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,017 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,051 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,138 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.8
Fair
3,109 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Galveston to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Galveston to Washington, D.C. Dulles Intl Airport?

    For as low as $339, Delta can have you in Washington, D.C. Dulles Intl Airport from Galveston in 5h. The distance from Galveston to Washington, D.C. Dulles Intl Airport is about 1199 mi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Galveston to Washington, D.C. Dulles Intl Airport (average of $54). Flying from Galveston to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $274). 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Galveston to Dulles Intl

Discover the top 5 airlines that operate flights from Galveston 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 noviembre 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$54Average$197FlexibilityNo cancel feeOn-time65%
FrontierCheapest$144Average$230FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$234Average$328FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$400FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$354FlexibilityNo cancel feeOn-timeN/A

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