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Galveston

$128+ Cheap flights from Dulles Intl (IAD) to Galveston, TX

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HOU
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Galveston are usually found in May or July, booked 66 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Dulles Intl to Galveston

Keep the following information in mind while searching for Dulles Intl to Galveston flight deals. Data was last updated October 29, 2025.

Round-trip from

$301
(Delta)

One-way from

$128
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$349
From Washington, D.C. Dulles Intl to Galveston
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One-way flight from Washington, D.C. Dulles Intl to Galveston
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Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Dulles Intl to Galveston

Cheapest flights from Dulles Intl to Galveston
Explore the most affordable flight options available from Dulles Intl to Galveston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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 11/245:59 pmIAD - HOU
1 stop6h 08mDelta
Tue 12/22:32 pmHOU - IAD
1 stop5h 57mDelta
Deal found 10/28$344
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 12/46:00 amIAD - HOU
1 stop8h 28mDelta
Mon 12/810:39 amHOU - IAD
1 stop9h 50mDelta
Deal found 10/28$345
This Southwest deal was found by Cheapflights users on 10/29. 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.
Sat 11/226:35 amIAD - HOU
1 stop10h 05mSouthwest
Mon 11/245:10 amHOU - IAD
1 stop7h 00mSouthwest
Deal found 10/29$354
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 12/115:59 pmIAD - HOU
1 stop5h 49mDelta
Mon 12/1510:39 amHOU - IAD
1 stop5h 21mDelta
Deal found 10/28$367
This Delta deal was found by Cheapflights users on 10/29. 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.
Thu 12/45:59 pmIAD - HOU
1 stop5h 49mDelta
Sat 12/62:32 pmHOU - IAD
1 stop5h 57mDelta
Deal found 10/29$377
This Delta deal was found by Cheapflights users on 10/27. 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.
Sat 12/2710:51 amIAD - HOU
1 stop4h 47mDelta
Wed 12/316:00 amHOU - IAD
1 stop5h 13mDelta
Deal found 10/27$379
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/46:00 amIAD - HOU
1 stop6h 45mAmerican Airlines
Sat 12/610:08 amHOU - IAD
2 stops8h 23mAmerican Airlines
Deal found 10/29$382
This Southwest deal was found by Cheapflights users on 10/29. 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.
Wed 11/197:40 amIAD - HOU
1 stop9h 35mSouthwest
Wed 11/2610:50 amHOU - IAD
1 stop7h 20mSouthwest
Deal found 10/29$387
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 12/256:00 amIAD - HOU
1 stop5h 01mDelta
Wed 12/316:00 amHOU - IAD
1 stop5h 13mDelta
Deal found 10/28$390
This Southwest deal was found by Cheapflights users on 10/28. 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.
Thu 12/47:40 amIAD - HOU
1 stop9h 50mSouthwest
Sat 12/68:50 amHOU - IAD
2 stops12h 25mSouthwest
Deal found 10/28$393
This Southwest deal was found by Cheapflights users on 10/28. 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.
Wed 11/197:40 amIAD - HOU
1 stop9h 35mSouthwest
Mon 11/245:10 amHOU - IAD
1 stop7h 00mSouthwest
Deal found 10/28$394
This Southwest deal was found by Cheapflights users on 10/28. 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.
Fri 12/57:40 amIAD - HOU
1 stop9h 45mSouthwest
Mon 12/82:35 pmHOU - IAD
1 stop6h 25mSouthwest
Deal found 10/28$395

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Galveston 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 October 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Galveston that are best for you.

Fly from

Dulles Intl

Fly to

Galveston

Route

Depart

Return

Price

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 2/18

7:00 am-12:21 pm

1 stop6h 21m

Houston Hobby

Sat 2/21

10:05 am-6:42 pm

1 stop7h 37m

$301

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 2/14

5:25 pm-9:46 pm

1 stop5h 21m

Houston Hobby

Fri 2/20

1:00 pm-9:13 pm

1 stop7h 13m

$301

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Mon 11/24

5:59 pm-11:07 pm

1 stop6h 08m

Houston Hobby

Tue 12/2

2:32 pm-9:29 pm

1 stop5h 57m

$344

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 12/18

7:01 am-1:28 pm

1 stop7h 27m

Houston Hobby

Thu 1/1

6:00 am-12:13 pm

1 stop5h 13m

$344

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 12/11

7:01 am-1:28 pm

1 stop7h 27m

Houston Hobby

Sat 12/13

2:32 pm-9:29 pm

1 stop5h 57m

$377

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 12/27

10:51 am-2:38 pm

1 stop4h 47m

Houston Hobby

Thu 1/1

6:00 am-12:13 pm

1 stop5h 13m

$379

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 12/25

6:00 am-10:01 am

1 stop5h 01m

Houston Hobby

Thu 1/1

6:00 am-12:13 pm

1 stop5h 13m

$390

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 11/25

5:05 am-1:45 pm

2 stops9h 40m

Houston Hobby

Thu 11/27

6:50 am-12:10 pm

1 stop4h 20m

$399

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Fri 12/5

7:40 am-4:25 pm

1 stop9h 45m

Houston Hobby

Mon 12/8

2:35 pm-10:00 pm

1 stop6h 25m

$412

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 12/4

5:59 pm-10:48 pm

1 stop5h 49m

Houston Hobby

Sun 12/7

6:00 am-11:35 am

1 stop4h 35m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 20 results
1
2

Best time to book a flight from Dulles Intl to Galveston

Have a flexible travel schedule? Discover the best time to fly to Galveston from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Galveston

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Galveston. Price data was last updated on October 24, 2025.

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Galveston may vary depending on when you book. For the best chance of a lower fare, look to book 66 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 Washington, D.C. Dulles Intl Airport to Galveston?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Galveston (average of $144). Flying from Washington, D.C. Dulles Intl Airport to Galveston in November is currently the most expensive (average of $223). 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 IAD to G4L?

Find hourly flight availability from Dulles Intl to Galveston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Galveston in the morning. Doing so could potentially save you 31% on the flight price compared to flying at noon, which is usually more expensive.

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

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

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

Reviews of airlines servicing Galveston

Get insights into the airlines that provide service to Galveston. 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 Galveston. Reviews last updated October 29, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. Dulles Intl Airport to Galveston 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.
Delta
7.9
Good
7,994 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Spirit Airlines
6.3
Okay
8,114 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Frontier
5.8
Fair
3,124 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Galveston. 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 Washington, D.C. Dulles Intl Airport to Galveston?

    A quick flight from Washington, D.C. Dulles Intl Airport to Galveston can take about 6h 21m. Delta provides one of the quickest options available for as low as $301. The distance from Washington, D.C. Dulles Intl Airport to Galveston is about 1199 mi.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Galveston (average of $144). Flying from Washington, D.C. Dulles Intl Airport to Galveston in November is currently the most expensive (average of $223). 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

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Alternative routes for Dulles Intl to Galveston

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Top 5 airlines flying from Dulles Intl to Galveston

Discover the top 5 airlines that operate flights from Dulles Intl to Galveston. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$91Average$187FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$203FlexibilityNo cancel feeOn-time62%
DeltaCheapest$144Average$288FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$234Average$360FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$253Average$395FlexibilityNo cancel feeOn-time69%

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