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Galveston

$90+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HOU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Galveston are usually found in October or January, booked 84 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 September 11, 2025.

Round-trip from

$237
(Delta)

One-way from

$90
(Southwest)

Popular in

December

Cheapest in

October

Average price

$377
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. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/9. 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 11/16:11 amIAD - HOU
1 stop10h 58mAmerican Airlines
Tue 11/410:11 amHOU - IAD
1 stop11h 22mAmerican Airlines
Deal found 9/9$223
This Delta deal was found by Cheapflights users on 9/10. 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 10/412:35 pmIAD - HOU
1 stop6h 05mDelta
Sun 10/56:37 pmHOU - IAD
1 stop4h 36mDelta
Deal found 9/10$237
This Delta deal was found by Cheapflights users on 9/9. 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 10/189:00 amIAD - HOU
1 stop5h 27mDelta
Tue 10/2110:13 amHOU - IAD
1 stop5h 44mDelta
Deal found 9/9$253
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 10/226:11 amIAD - HOU
1 stop17h 03mAmerican Airlines
Sun 10/268:12 pmHOU - IAD
1 stop13h 39mAmerican Airlines
Deal found 9/11$255
This Southwest deal was found by Cheapflights users on 9/10. 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 11/131:50 pmIAD - HOU
1 stop8h 05mSouthwest
Sun 11/165:10 amHOU - IAD
1 stop7h 00mSouthwest
Deal found 9/10$261
This Delta deal was found by Cheapflights users on 9/9. 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 10/412:35 pmIAD - HOU
1 stop6h 05mDelta
Mon 10/66:44 pmHOU - IAD
1 stop4h 28mDelta
Deal found 9/9$270
This Southwest deal was found by Cheapflights users on 9/9. 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 11/16:40 amIAD - HOU
2 stops11h 25mSouthwest
Tue 11/42:35 pmHOU - IAD
1 stop6h 35mSouthwest
Deal found 9/9$273
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 10/76:11 amIAD - HOU
1 stop17h 03mAmerican Airlines
Tue 10/148:58 amHOU - IAD
1 stop12h 53mAmerican Airlines
Deal found 9/11$282
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 10/157:05 amIAD - HOU
1 stop7h 22mDelta
Wed 10/156:44 pmHOU - IAD
1 stop13h 32mDelta
Deal found 9/11$287
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:40 amIAD - HOU
1 stop8h 20mSouthwest
Fri 10/316:00 amHOU - IAD
1 stop9h 10mSouthwest
Deal found 9/11$288
This Delta deal was found by Cheapflights users on 9/10. 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 11/246:00 amIAD - HOU
1 stop18h 46mDelta
Wed 12/310:39 amHOU - IAD
1 stop5h 22mDelta
Deal found 9/10$290

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 September 11, 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

Tue 10/7

5:52 pm-11:00 pm

1 stop6h 08m

Houston Hobby

Tue 10/14

10:13 am-4:57 pm

1 stop5h 44m

$237

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 11/27

7:01 am-1:28 pm

1 stop7h 27m

Houston Hobby

Wed 12/3

10:39 am-5:01 pm

1 stop5h 22m

$237

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 2/10

5:25 pm-9:46 pm

1 stop5h 21m

Houston Hobby

Thu 2/19

6:00 am-12:00 pm

1 stop5h 00m

$237

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 10/4

6:23 am-12:18 pm

1 stop6h 55m

Houston Hobby

Sun 10/5

6:00 am-11:40 am

1 stop4h 40m

$237

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Fri 12/5

7:01 am-1:27 pm

1 stop7h 26m

Houston Hobby

Sun 12/14

6:47 pm-12:16 am

1 stop4h 29m

$237

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 10/25

5:52 pm-11:00 pm

1 stop6h 08m

Houston Hobby

Sat 11/1

10:13 am-4:57 pm

1 stop5h 44m

$237

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 2/10

5:25 pm-9:46 pm

1 stop5h 21m

Houston Hobby

Tue 2/17

1:00 pm-9:13 pm

1 stop7h 13m

$237

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Fri 12/5

7:01 am-1:27 pm

1 stop7h 26m

Houston Hobby

Sun 12/7

6:00 am-11:34 am

1 stop4h 34m

$237

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 11/13

1:50 pm-8:55 pm

1 stop8h 05m

Houston Hobby

Sun 11/16

5:10 am-1:10 pm

1 stop7h 00m

$261

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 10/28

7:40 am-3:00 pm

1 stop8h 20m

Houston Hobby

Fri 10/31

6:00 am-4:10 pm

1 stop9h 10m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
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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 August 29, 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 84 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Galveston (average of $230). Flying from Washington, D.C. Dulles Intl Airport to Galveston in March is currently the most expensive (average of $331). 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 September 11, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Galveston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Sunday evenings when fares are most often at their lowest. Sunday afternoons 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 September 11, 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
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 08m. Delta provides one of the quickest options available for as low as $237. 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Galveston (average of $230). Flying from Washington, D.C. Dulles Intl Airport to Galveston in March is currently the most expensive (average of $331). 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.
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Reagan-National to Midland flights
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$91Average$192FlexibilityNo cancel feeOn-time65%
FrontierCheapest$120Average$220FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$234Average$313FlexibilityNo cancel feeOn-time71%
DeltaCheapest$240Average$316FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$254Average$391FlexibilityNo cancel feeOn-time69%

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