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South Padre Island

$419+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MFE
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
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Cheap 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 10, 2026.

This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 10/286:30 am
IAD
-
BRO
1 stop5h 52m
United Airlines
Sat 10/315:25 pm
BRO
-
IAD
1 stop5h 26m
United Airlines
Deal found 6/9$419
This American Airlines deal was found by Cheapflights users on 6/8. 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 9/910:25 am
IAD
-
BRO
2 stops9h 45m
American Airlines
Thu 9/175:49 am
BRO
-
IAD
1 stop7h 29m
American Airlines
Deal found 6/8$423
This American Airlines deal was found by Cheapflights users on 6/5. 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 6/137:25 pm
IAD
-
BRO
1 stop5h 58m
American Airlines
Sat 6/202:47 pm
BRO
-
IAD
1 stop6h 59m
American Airlines
Deal found 6/5$521
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Wed 7/18:57 pm
IAD
-
BRO
2 stops35h 58m
Multiple Airlines
Mon 7/68:35 am
BRO
-
IAD
1 stop8h 58m
Multiple Airlines
Deal found 6/7$524
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 6/242:53 pm
IAD
-
BRO
1 stop7h 59m
United Airlines
Sun 6/284:44 pm
BRO
-
IAD
1 stop6h 47m
United Airlines
Deal found 6/9$532

Find 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 10, 2026.

Round-trip from

$419
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$738
From Washington, D.C. Dulles Intl to South Padre Island
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 10, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Wed 10/28

6:30 am-11:22 am

1 stop5h 52m

Brownsville South Padre Is. Intl

Sat 10/31

5:25 pm-11:51 pm

1 stop5h 26m

$419

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Wed 9/9

10:25 am-7:10 pm

2 stops9h 45m

Brownsville South Padre Is. Intl

Thu 9/17

5:49 am-2:18 pm

1 stop7h 29m

$423

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Mon 7/6

10:15 pm-6:37 pm

2 stops21h 22m

Brownsville South Padre Is. Intl

Mon 7/13

4:44 pm-12:31 am

1 stop6h 47m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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 5h 52m. 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.

See more FAQs

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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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$284Average$388FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$469FlexibilityNo cancel feeOn-time71%

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