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South Padre Island

$319+ Cheap flights from Dulles Intl (IAD) to South Padre Island, TX

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HRL
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$319
(United Airlines)

Popular in

May

Cheapest in

April

Average price

$404
From Washington, D.C. Dulles Intl to South Padre Island
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Highest demand for flights based on searches. 7% potential increase in price ($41 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 September 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 septiembre 11, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:01 amIAD - BRO
1 stop6h 19mUnited Airlines
lun. 9/299:30 amBRO - IAD
1 stop8h 33mUnited Airlines
Deal found 9/9$319
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/105:55 pmIAD - BRO
1 stop6h 39mUnited Airlines
mié. 9/177:00 amBRO - IAD
1 stop8h 30mUnited Airlines
Deal found 9/10$409
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.
vie. 10/245:37 pmIAD - BRO
1 stop6h 18mAmerican Airlines
vie. 10/3110:31 amBRO - IAD
1 stop5h 33mAmerican Airlines
Deal found 9/9$414
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.
sáb. 9/135:40 pmIAD - BRO
1 stop6h 07mAmerican Airlines
lun. 9/153:04 pmBRO - IAD
1 stop6h 44mAmerican Airlines
Deal found 9/9$439
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.
jue. 9/1811:47 amIAD - BRO
1 stop7h 38mAmerican Airlines
lun. 9/223:04 pmBRO - IAD
1 stop6h 44mAmerican Airlines
Deal found 9/9$468
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/214:10 pmIAD - BRO
1 stop8h 24mUnited Airlines
mar. 9/239:45 amBRO - IAD
1 stop5h 45mUnited Airlines
Deal found 9/9$489
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/2410:14 pmIAD - BRO
2 stops14h 06mUnited Airlines
vie. 10/3112:15 pmBRO - IAD
1 stop7h 36mUnited Airlines
Deal found 9/9$499

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 septiembre 11, 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

jue. 9/25

6:01 am-11:20 am

1 stop6h 19m

Brownsville South Padre Is. Intl

lun. 9/29

9:30 am-7:03 pm

1 stop8h 33m

$319

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

jue. 9/18

11:47 am-6:25 pm

1 stop7h 38m

Brownsville South Padre Is. Intl

lun. 9/22

3:04 pm-10:48 pm

1 stop6h 44m

$468

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

dom. 9/21

4:10 pm-11:34 pm

1 stop8h 24m

Brownsville South Padre Is. Intl

mar. 9/23

9:45 am-4:30 pm

1 stop5h 45m

$489

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

vie. 10/24

10:14 pm-11:20 am

2 stops14h 06m

Brownsville South Padre Is. Intl

vie. 10/31

12:15 pm-8:51 pm

1 stop7h 36m

$499

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

jue. 9/18

12:35 pm-11:34 pm

2 stops11h 59m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 septiembre 11, 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.

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 septiembre 11, 2025.
Peruse reviews from past customers who have flown with United Airlines from Washington, D.C. Dulles Intl Airport to South Padre Island 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.
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

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
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to South Padre Island?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to South Padre Island in 6h 19m. Fly via United Airlines or American Airlines to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to South Padre Island is about 1466 mi. This flight may include one or multiple stops.

  • 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 $382). 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 South Padre Island

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Dulles Intl to South Padre Island

Discover the top 2 airlines 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$507FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$438FlexibilityNo cancel feeOn-time71%

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