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Galveston

$143+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HOU
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Galveston are usually found in September or October, booked 45 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 March 26, 2025.

Round-trip from

$237
(Delta)

One-way from

$200
(Delta)

Popular in

December

Cheapest in

September

Average price

$413
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. 0% potential increase in price ($0 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 March 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 March 26, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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 4/235:32 pmIAD - HOU
1 stop6h 36mDelta
Wed 4/306:36 pmHOU - IAD
1 stop4h 49mDelta
Deal found 3/24$237
This American Airlines deal was found by Cheapflights users on 3/25. 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 5/179:11 amIAD - HOU
2 stops9h 50mAmerican Airlines
Tue 8/55:00 amHOU - IAD
1 stop4h 59mAmerican Airlines
Deal found 3/25$242
This Southwest deal was found by Cheapflights users on 3/24. 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 4/237:50 amIAD - HOU
2 stops11h 25mSouthwest
Wed 4/306:05 amHOU - IAD
1 stop7h 00mSouthwest
Deal found 3/24$294
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2212:49 pmIAD - HOU
1 stop23h 32mMultiple Airlines
Mon 5/2610:40 amHOU - IAD
1 stop8h 37mMultiple Airlines
Deal found 3/24$311
This Sun Country Air deal was found by Cheapflights users on 3/25. 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 5/1512:49 pmIAD - HOU
1 stop23h 44mSun Country Air
Thu 5/228:06 pmHOU - IAD
1 stop14h 47mSun Country Air
Deal found 3/25$385

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 26, 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 4/23

5:32 pm-11:08 pm

1 stop6h 36m

Houston Hobby

Wed 4/30

6:36 pm-12:25 am

1 stop4h 49m

$237

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 5/17

9:11 am-6:01 pm

2 stops9h 50m

Houston Hobby

Tue 8/5

5:00 am-10:59 am

1 stop4h 59m

$242

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Wed 4/23

7:50 am-6:15 pm

2 stops11h 25m

Houston Hobby

Wed 4/30

6:05 am-2:05 pm

1 stop7h 00m

$294

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 5/22

12:49 pm-11:21 am

1 stop23h 32m

Houston Hobby

Mon 5/26

10:40 am-8:17 pm

1 stop8h 37m

$311

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 5/15

12:49 pm-11:33 am

1 stop23h 44m

Houston Hobby

Thu 5/22

8:06 pm-11:53 am

1 stop14h 47m

$385

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Mon 4/7

6:35 am-1:02 pm

1 stop7h 27m

$143

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Thu 4/24

7:35 am-12:31 pm

1 stop5h 56m

$145

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 5/6

7:50 am-6:15 pm

2 stops11h 25m

$150

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Tue 4/8

5:13 pm-10:40 pm

1 stop6h 27m

$159

Washington, D.C.Houston

IAD - HOU

IADHOU

Washington, D.C. Dulles Intl

Sat 5/24

3:29 pm-9:12 am

2 stops18h 43m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 12 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 March 21, 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 45 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 $334). 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 26, 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 June 30, 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.

Rainfall in Galveston by month

Plan your trip to Galveston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Galveston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Galveston when rainfall is around 3.2 in.

Temperature in Galveston by month

Plan your trip to Galveston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Galveston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 26, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and Qatar Airways from Washington, D.C. to Galveston to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Qatar Airways
7.4
Good
3,539 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
348 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • 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 Delta, which is currently one of the cheapest options available, starting at $200. Southwest flights start at $214 while deals on American Airlines start at $241 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, 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 $334). 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.

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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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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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$195FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$169FlexibilityNo cancel feeOn-time62%
DeltaCheapest$215Average$290FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$389FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$234Average$344FlexibilityNo cancel feeOn-time71%
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