HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Galveston

$181+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HOU
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Galveston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 16, 2026.

This Delta deal was found by Cheapflights users on 3/16. 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 4/77:18 am
IAD
-
HOU
1 stop10h 14m
Delta
Sat 4/116:00 am
HOU
-
IAD
1 stop11h 39m
Delta
Deal found 3/16$371
This Southwest deal was found by Cheapflights users on 3/12. 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.
Tue 4/146:20 am
IAD
-
HOU
1 stop9h 00m
Southwest
Tue 4/288:50 am
HOU
-
IAD
1 stop7h 00m
Southwest
Deal found 3/12$375
This Southwest deal was found by Cheapflights users on 3/16. 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 5/64:30 pm
IAD
-
HOU
1 stop7h 55m
Southwest
Tue 5/126:40 am
HOU
-
IAD
1 stop9h 10m
Southwest
Deal found 3/16$391
This Delta deal was found by Cheapflights users on 3/16. 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 4/136:00 am
IAD
-
HOU
1 stop4h 58m
Delta
Thu 4/166:00 am
HOU
-
IAD
1 stop9h 31m
Delta
Deal found 3/16$395
This Sun Country Air deal was found by Cheapflights users on 3/13. 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.
Thu 4/1612:14 pm
IAD
-
HOU
1 stop24h 15m
Sun Country Air
Sun 4/198:00 am
HOU
-
IAD
1 stop25h 39m
Sun Country Air
Deal found 3/13$397
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Mon 4/65:52 pm
IAD
-
HOU
1 stop7h 06m
American Airlines
Wed 4/224:18 pm
HOU
-
IAD
1 stop6h 08m
American Airlines
Deal found 3/12$398
This Delta deal was found by Cheapflights users on 3/12. 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.
Thu 4/27:18 am
IAD
-
HOU
1 stop7h 10m
Delta
Wed 4/811:33 am
HOU
-
IAD
1 stop6h 00m
Delta
Deal found 3/12$399
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:28 pm
IAD
-
HOU
1 stop6h 46m
Multiple Airlines
Sun 7/57:03 pm
HOU
-
IAD
1 stop19h 37m
Multiple Airlines
Deal found 3/15$406
This Southwest deal was found by Cheapflights users on 3/12. 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.
Wed 4/84:30 pm
IAD
-
HOU
1 stop7h 55m
Southwest
Sat 4/116:15 am
HOU
-
IAD
1 stop9h 10m
Southwest
Deal found 3/12$408
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Sat 4/183:26 pm
IAD
-
HOU
2 stops9h 21m
American Airlines
Wed 4/226:01 am
HOU
-
IAD
2 stops7h 46m
American Airlines
Deal found 3/12$409

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 March 16, 2026.

Round-trip from

$371
(Delta)

One-way from

$181
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$449
From Washington, D.C. Dulles Intl to Galveston
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Galveston
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 16, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 4/7

7:18 am-4:32 pm

1 stop10h 14m

Houston Hobby

Sat 4/11

6:00 am-6:39 pm

1 stop11h 39m

$371

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 4/8

4:30 pm-11:25 pm

1 stop7h 55m

Houston Hobby

Mon 4/13

4:05 pm-12:20 am

1 stop7h 15m

$429

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Fri 4/10

6:01 am-10:23 am

1 stop5h 22m

Houston Hobby

Fri 4/17

5:23 pm-12:42 am

1 stop6h 19m

$453

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Mon 4/6

4:50 pm-12:10 am

1 stop8h 20m

Houston Hobby

Sat 4/11

6:15 am-4:25 pm

1 stop9h 10m

$471

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 4/9

5:55 am-2:25 pm

1 stop9h 30m

Houston Hobby

Sat 4/11

8:20 am-10:55 pm

2 stops13h 35m

$491

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sun 5/31

6:08 am-12:11 pm

1 stop7h 03m

Houston Hobby

Mon 8/10

5:35 pm-12:10 am

1 stop5h 35m

$497

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Fri 4/17

5:55 am-2:25 pm

1 stop9h 30m

Houston Hobby

Sun 4/19

4:45 pm-12:40 am

1 stop6h 55m

$507

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Fri 4/10

5:55 am-2:25 pm

1 stop9h 30m

Houston Hobby

Sat 4/11

11:00 am-10:55 pm

1 stop10h 55m

$535

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 4/4

5:50 am-2:25 pm

1 stop9h 35m

Houston Hobby

Mon 4/6

9:45 am-12:15 am

1 stop13h 30m

$555

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Fri 4/24

5:55 am-2:25 pm

1 stop9h 30m

Houston Hobby

Sun 4/26

4:45 pm-12:40 am

1 stop6h 55m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 March 13, 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 March is currently the most expensive (average of $199). 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 March 16, 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 17% on the flight price compared to flying in the afternoon, 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 March 12, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Galveston flight should consider departing on Thursday at noon 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 March 16, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
8,288 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

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
8,288 reviews
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

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
9,431 reviews
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

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
7.1
Good
11,468 reviews
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

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
8,521 reviews
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

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
5.7
Fair
3,029 reviews
Delta
7.9
Good
8,288 reviews

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

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 55m. Delta provides one of the quickest options available for as low as $429. 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 March is currently the most expensive (average of $199). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$223FlexibilityNo cancel feeOn-time65%
FrontierCheapest$104Average$210FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$370FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$403FlexibilityNo cancel feeOn-time69%
DeltaCheapest$257Average$418FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.