Galveston

$152+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HOU
Feb 28 — Mar 71
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Cheap 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 January 29, 2026.

This Southwest deal was found by Cheapflights users on 1/28. 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 2/259:05 am
IAD
-
HOU
1 stop9h 30m
Southwest
Wed 3/46:15 am
HOU
-
IAD
1 stop9h 35m
Southwest
Deal found 1/28$303
This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/39:05 am
IAD
-
HOU
1 stop7h 20m
Southwest
Thu 3/56:10 am
HOU
-
IAD
1 stop8h 55m
Southwest
Deal found 1/27$338
This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:40 pm
IAD
-
HOU
1 stop7h 25m
Southwest
Tue 2/246:15 am
HOU
-
IAD
1 stop9h 35m
Southwest
Deal found 1/27$339
This Delta deal was found by Cheapflights users on 1/28. 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.
Sat 2/215:25 pm
IAD
-
HOU
1 stop6h 03m
Delta
Mon 2/231:06 pm
HOU
-
IAD
1 stop4h 31m
Delta
Deal found 1/28$353
This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:05 am
IAD
-
HOU
2 stops11h 45m
Southwest
Mon 2/235:50 am
HOU
-
IAD
1 stop9h 10m
Southwest
Deal found 1/27$358
This Delta deal was found by Cheapflights users on 1/27. 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.
Wed 2/256:00 am
IAD
-
HOU
1 stop5h 01m
Delta
Fri 2/275:19 pm
HOU
-
IAD
1 stop6h 02m
Delta
Deal found 1/27$359
This Delta deal was found by Cheapflights users on 1/27. 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.
Wed 4/2212:42 pm
IAD
-
HOU
1 stop11h 23m
Delta
Mon 4/276:00 am
HOU
-
IAD
1 stop7h 04m
Delta
Deal found 1/27$363
This Delta deal was found by Cheapflights users on 1/26. 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.
Wed 3/116:01 am
IAD
-
HOU
1 stop5h 22m
Delta
Wed 3/182:13 pm
HOU
-
IAD
1 stop5h 33m
Delta
Deal found 1/26$373
This Delta deal was found by Cheapflights users on 1/28. 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.
Wed 3/186:01 am
IAD
-
HOU
1 stop5h 22m
Delta
Wed 3/252:13 pm
HOU
-
IAD
1 stop5h 33m
Delta
Deal found 1/28$375
This Southwest deal was found by Cheapflights users on 1/28. 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 2/189:05 am
IAD
-
HOU
1 stop9h 30m
Southwest
Fri 2/275:25 am
HOU
-
IAD
1 stop8h 20m
Southwest
Deal found 1/28$380

Find 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 January 29, 2026.

Round-trip from

$303
(Southwest)

One-way from

$152
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$424
From Washington, D.C. Dulles Intl to Galveston
One-way flight from Washington, D.C. Dulles Intl to Galveston
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 29, 2026.
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 2/25

9:05 am-5:35 pm

1 stop9h 30m

Houston Hobby

Wed 3/4

6:15 am-4:50 pm

1 stop9h 35m

$303

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 2/17

3:42 pm-10:28 pm

1 stop7h 46m

Houston Hobby

Mon 2/23

5:25 am-11:35 am

1 stop5h 10m

$353

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 3/4

9:05 am-3:25 pm

1 stop7h 20m

Houston Hobby

Thu 3/5

6:10 am-4:05 pm

1 stop8h 55m

$353

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 2/21

5:25 pm-10:28 pm

1 stop6h 03m

Houston Hobby

Mon 2/23

1:06 pm-6:37 pm

1 stop4h 31m

$353

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 4/22

12:42 pm-11:05 pm

1 stop11h 23m

Houston Hobby

Mon 4/27

6:00 am-2:04 pm

1 stop7h 04m

$363

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 3/11

6:01 am-10:23 am

1 stop5h 22m

Houston Hobby

Wed 3/18

2:13 pm-8:46 pm

1 stop5h 33m

$373

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 2/18

9:05 am-5:35 pm

1 stop9h 30m

Houston Hobby

Fri 2/27

5:25 am-2:45 pm

1 stop8h 20m

$380

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 2/25

6:00 am-10:01 am

1 stop5h 01m

Houston Hobby

Fri 2/27

5:25 am-11:35 am

1 stop5h 10m

$380

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Fri 2/27

5:10 am-4:30 pm

1 stop12h 20m

Houston Hobby

Tue 3/3

2:10 pm-9:55 pm

1 stop6h 45m

$385

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 2/28

6:00 am-10:01 am

1 stop5h 01m

Houston Hobby

Tue 3/3

1:06 pm-8:45 pm

1 stop6h 39m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 January 23, 2026.

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 61 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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Galveston (average of $104). Flying from Washington, D.C. Dulles Intl Airport to Galveston in February is currently the most expensive (average of $212). 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 January 29, 2026.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Galveston in the evening. Doing so could potentially save you 30% 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 January 24, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Galveston flight should consider departing on Friday evenings when fares are most often at their lowest. Thursday 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 January 29, 2026.
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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

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.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

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 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 7h 46m. Southwest provides one of the quickest options available for as low as $353. The distance from Washington, D.C. Dulles Intl Airport to Galveston is about 1199 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $77. Delta flights start at $118 while deals on United Airlines start at $134 one-way.

  • 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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Galveston (average of $104). Flying from Washington, D.C. Dulles Intl Airport to Galveston in February is currently the most expensive (average of $212). 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

See prices for flight routes from nearby airports that may be better suited for you.

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$175FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$210FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$377FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$254Average$399FlexibilityNo cancel feeOn-time69%
DeltaCheapest$257Average$418FlexibilityNo cancel feeOn-timeN/A

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