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South Padre Island

$289+ Cheap flights from Dulles Intl (IAD) to South Padre Island, 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HRL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Dulles Intl to South Padre Island

Keep the following information in mind while searching for Dulles Intl to South Padre Island flight deals. Data was last updated June 12, 2025.

Round-trip from

$324
(American Airlines)

One-way from

$289
(United Airlines)

Popular in

May

Cheapest in

April

Average price

$492
From Washington, D.C. Dulles Intl to South Padre Island
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One-way flight from Washington, D.C. Dulles Intl to South Padre Island
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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Dulles Intl to South Padre Island

Cheapest flights from Dulles Intl to South Padre Island
Explore the most affordable flight options available from Dulles Intl to South Padre Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:51 amIAD - BRO
1 stop7h 36mAmerican Airlines
Mon 8/2510:33 amBRO - IAD
1 stop7h 23mAmerican Airlines
Deal found 6/10$324
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/215:55 pmIAD - BRO
1 stop6h 39mUnited Airlines
Mon 8/2512:11 pmBRO - IAD
2 stops21h 00mUnited Airlines
Deal found 6/10$425

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to South Padre Island 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 June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to South Padre Island that are best for you.

Fly from

Dulles Intl

Fly to

South Padre Island

Route

Depart

Return

Price

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Thu 8/21

11:51 am-6:27 pm

1 stop7h 36m

Brownsville South Padre Is. Intl

Mon 8/25

10:33 am-6:56 pm

1 stop7h 23m

$324

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Thu 8/21

5:55 pm-11:34 pm

1 stop6h 39m

Brownsville South Padre Is. Intl

Mon 8/25

12:11 pm-10:11 am

2 stops21h 00m

$425

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Mon 10/27

10:31 pm-11:28 am

2 stops13h 57m

$289

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Mon 10/27

5:31 pm-12:06 am

1 stop7h 35m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Dulles Intl to South Padre Island

Have a flexible travel schedule? Discover the best time to fly to South Padre Island 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 South Padre Island

What is the cheapest time of day to fly from IAD to SO9?

Find hourly flight availability from Dulles Intl to South Padre Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to South Padre Island as you normally would.

Rainfall in South Padre Island by month

Plan your trip to South Padre Island by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Padre Island ranges from 1.1 - 5.9 inches per month. September is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit South Padre Island when rainfall is around 1.1 in.

Temperature in South Padre Island by month

Plan your trip to South Padre Island by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Padre Island, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing South Padre Island

Get insights into the airlines that provide service to South Padre Island. 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 South Padre Island. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Washington, D.C. to South Padre Island. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Entertainment

7.0

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to South Padre Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

  • How can I find direct flights from Dulles Intl to South Padre Island?

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

  • Can I find deals for business class flights from Dulles Intl to South Padre Island?

    Yes. Cheapflights offers flight deals from Dulles Intl to South Padre Island 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 South Padre Island?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Padre Island (average of $267). Flying from Washington, D.C. Dulles Intl Airport to South Padre Island in June is currently the most expensive (average of $395). 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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Top airline flying from Dulles Intl to South Padre Island

Discover the top airline that operate flights from Dulles Intl to South Padre Island. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$487FlexibilityNo cancel feeOn-time69%

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