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$305+ Cheap flights from Dulles Intl (IAD) to Brownsville (BRO)

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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BRO
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to Brownsville

Cheapest flights from Dulles Intl to Brownsville
Explore the most affordable flight options available from Dulles Intl to Brownsville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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 2/105:26 pm
IAD
-
BRO
1 stop7h 07m
American Airlines
Sat 2/142:58 pm
BRO
-
IAD
1 stop6h 55m
American Airlines
Deal found 1/26$339
This American Airlines deal was found by Cheapflights users on 1/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/295:26 pm
IAD
-
BRO
1 stop7h 07m
American Airlines
Thu 2/262:58 pm
BRO
-
IAD
1 stop6h 55m
American Airlines
Deal found 1/24$379
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/285:37 pm
IAD
-
BRO
1 stop6h 37m
American Airlines
Sat 3/75:40 am
BRO
-
IAD
2 stops9h 36m
American Airlines
Deal found 1/26$451
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/106:03 am
IAD
-
BRO
1 stop6h 28m
United Airlines
Sat 2/147:18 am
BRO
-
IAD
2 stops13h 00m
United Airlines
Deal found 1/26$533
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:00 am
IAD
-
BRO
1 stop6h 34m
United Airlines
Sun 3/155:25 pm
BRO
-
IAD
1 stop5h 26m
United Airlines
Deal found 1/25$549
This United Airlines deal was found by Cheapflights users on 1/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/298:15 am
IAD
-
BRO
1 stop8h 57m
United Airlines
Thu 2/269:35 am
BRO
-
IAD
2 stops10h 45m
United Airlines
Deal found 1/24$604
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 2/285:35 pm
IAD
-
BRO
1 stop19h 01m
United Airlines
Sat 3/77:18 am
BRO
-
IAD
1 stop14h 18m
United Airlines
Deal found 1/26$626
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Thu 3/56:00 am
IAD
-
BRO
1 stop9h 27m
American Airlines
Sun 3/82:58 pm
BRO
-
IAD
1 stop6h 55m
American Airlines
Deal found 1/25$713
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2910:11 pm
IAD
-
BRO
1 stop14h 08m
United Airlines
Sun 4/55:25 pm
BRO
-
IAD
2 stops13h 07m
United Airlines
Deal found 1/25$870

Find flight deals from Dulles Intl to Brownsville

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Brownsville (BRO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$339
(American Airlines)

Popular in

May

Cheapest in

April

Average price

$438
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Brownsville South Padre Is. Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Brownsville South Padre Is. Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Brownsville South Padre Is. Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Brownsville 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 January 26, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brownsville that are best for you.

Fly from

Dulles Intl

Fly to

Brownsville

Route

Depart

Return

Price

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Tue 2/10

5:26 pm-11:33 pm

1 stop7h 07m

Brownsville South Padre Is. Intl

Sat 2/14

2:58 pm-10:53 pm

1 stop6h 55m

$339

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Sat 2/28

2:03 pm-11:14 pm

2 stops10h 11m

Brownsville South Padre Is. Intl

Sat 3/7

5:40 am-4:16 pm

2 stops9h 36m

$457

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Tue 2/10

6:03 am-11:31 am

1 stop6h 28m

Brownsville South Padre Is. Intl

Sat 2/14

7:18 am-9:18 pm

2 stops13h 00m

$533

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Thu 3/12

6:00 am-11:34 am

1 stop6h 34m

Brownsville South Padre Is. Intl

Sun 3/15

5:25 pm-11:51 pm

1 stop5h 26m

$549

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Sat 2/28

5:35 pm-11:36 am

1 stop19h 01m

Brownsville South Padre Is. Intl

Sat 3/7

7:18 am-10:36 pm

1 stop14h 18m

$626

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Thu 3/5

6:00 am-2:27 pm

1 stop9h 27m

Brownsville South Padre Is. Intl

Sun 3/8

2:58 pm-10:53 pm

1 stop6h 55m

$713

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Sun 3/29

10:11 pm-11:19 am

1 stop14h 08m

Brownsville South Padre Is. Intl

Sun 4/5

5:25 pm-7:32 am

2 stops13h 07m

$870

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Sun 3/29

6:00 am-2:27 pm

1 stop9h 27m

Brownsville South Padre Is. Intl

Sun 4/5

10:47 am-6:19 pm

1 stop6h 32m

$931

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Mon 6/15

11:56 am-6:11 pm

1 stop7h 15m

$305

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Mon 6/15

8:15 am-3:38 pm

2 stops8h 23m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 12 results
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Brownsville flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Washington, D.C. Dulles Intl Airport-Brownsville flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Brownsville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Brownsville flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Brownsville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Brownsville

Have a flexible travel schedule? Discover the best time to fly to Brownsville 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.

Reviews of airlines servicing Brownsville

Get insights into the airlines that provide service to Brownsville. 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 Brownsville. Reviews last updated January 26, 2026.
See what other customers who have flown with United Airlines from Washington, D.C. Dulles Intl Airport to Brownsville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,199 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,199 reviews
United Airlines
7.4
Good
9,199 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

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

  • What airport do you fly into for flights to Brownsville from Washington, D.C. Dulles Intl?

    Brownsville South Padre Is. Intl (BRO) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Brownsville. You should not have trouble finding flights to South Padre Is. Intl from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Brownsville airport from Washington, D.C. Dulles Intl. It is only a 4.5 mi journey from South Padre Is. Intl (BRO) to Brownsville’s city center.

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

    Departing from Washington, D.C. Dulles Intl Airport to Brownsville will take you 6h 28m. Washington, D.C. Dulles Intl Airport and Brownsville are separated by a distance of 1466 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Brownsville round-trip?

    According to our current data, United Airlines ($268), offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Brownsville.

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

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

  • How can I find direct flights from Dulles Intl to Brownsville?

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

  • Can I find deals for business class flights from Dulles Intl to Brownsville?

    Yes. Cheapflights offers flight deals from Dulles Intl to Brownsville 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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Alternative routes for Dulles Intl to Brownsville

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dulles Intl to Brownsville

Discover the top airline that operate flights from Dulles Intl to Brownsville. 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$463FlexibilityNo cancel feeOn-time69%

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