HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Brownsville

$142+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BRO
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Brownsville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 23, 2026.

This United Airlines deal was found by Cheapflights users on 4/22. 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 5/2312:50 pm
IAD
-
BRO
1 stop6h 47m
United Airlines
Wed 5/274:44 pm
BRO
-
IAD
1 stop6h 47m
United Airlines
Deal found 4/22$349
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/277:24 pm
IAD
-
BRO
1 stop5h 59m
American Airlines
Sat 5/302:47 pm
BRO
-
IAD
2 stops8h 26m
American Airlines
Deal found 4/22$391
This United Airlines deal was found by Cheapflights users on 4/21. 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 6/206:30 am
IAD
-
BRO
1 stop5h 56m
United Airlines
Fri 6/2612:10 pm
BRO
-
IAD
1 stop5h 40m
United Airlines
Deal found 4/21$396
This United Airlines deal was found by Cheapflights users on 4/20. 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 5/56:00 am
IAD
-
BRO
1 stop6h 24m
United Airlines
Sat 5/95:17 pm
BRO
-
IAD
1 stop5h 42m
United Airlines
Deal found 4/20$399
This American Airlines deal was found by Cheapflights users on 4/20. 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 5/57:16 am
IAD
-
BRO
2 stops8h 04m
American Airlines
Sat 5/92:50 pm
BRO
-
IAD
1 stop7h 36m
American Airlines
Deal found 4/20$404
This American Airlines deal was found by Cheapflights users on 4/18. 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 6/207:24 pm
IAD
-
BRO
1 stop5h 59m
American Airlines
Wed 6/242:47 pm
BRO
-
IAD
1 stop7h 00m
American Airlines
Deal found 4/18$423
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/712:50 pm
IAD
-
BRO
1 stop6h 38m
United Airlines
Mon 5/115:17 pm
BRO
-
IAD
1 stop5h 42m
United Airlines
Deal found 4/21$429
This United Airlines deal was found by Cheapflights users on 4/20. 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 6/206:30 am
IAD
-
BRO
1 stop5h 56m
United Airlines
Thu 6/254:44 pm
BRO
-
IAD
1 stop6h 47m
United Airlines
Deal found 4/20$434
This United Airlines deal was found by Cheapflights users on 4/19. 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 8/223:02 pm
IAD
-
BRO
1 stop7h 53m
United Airlines
Wed 8/264:39 pm
BRO
-
IAD
1 stop6h 50m
United Airlines
Deal found 4/19$439

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$349
(United Airlines)

One-way from

$142
(Kiwi.com)

Popular in

May

Cheapest in

June

Average price

$448
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Brownsville South Padre Is. Intl flight deals.
Search Deals
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
One-way flight from Washington, D.C. Dulles Intl to Brownsville South Padre Is. Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 23, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Sat 5/23

12:50 pm-6:37 pm

1 stop6h 47m

Brownsville South Padre Is. Intl

Wed 5/27

4:44 pm-12:31 am

1 stop6h 47m

$349

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Sat 5/23

12:50 pm-6:37 pm

1 stop6h 47m

Brownsville South Padre Is. Intl

Tue 5/26

4:44 pm-12:31 am

1 stop6h 47m

$349

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Tue 5/19

6:00 am-11:24 am

1 stop6h 24m

Brownsville South Padre Is. Intl

Tue 5/26

4:44 pm-12:31 am

1 stop6h 47m

$349

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Sat 6/20

6:30 am-11:26 am

1 stop5h 56m

Brownsville South Padre Is. Intl

Wed 6/24

4:44 pm-12:31 am

1 stop6h 47m

$396

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Sat 6/20

7:24 pm-12:23 am

1 stop5h 59m

Brownsville South Padre Is. Intl

Wed 6/24

2:47 pm-10:47 pm

1 stop7h 00m

$423
Quickest round-trip

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Thu 5/7

12:50 pm-6:28 pm

1 stop6h 38m

Brownsville South Padre Is. Intl

Mon 5/11

5:17 pm-11:59 pm

1 stop5h 42m

$429

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Sat 5/23

1:12 pm-12:23 am

2 stops12h 11m

Brownsville South Padre Is. Intl

Wed 5/27

2:47 pm-10:47 pm

1 stop7h 00m

$466

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Thu 6/18

6:30 am-11:26 am

1 stop5h 56m

Brownsville South Padre Is. Intl

Tue 6/23

4:44 pm-12:31 am

1 stop6h 47m

$468

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Wed 5/27

6:20 am-2:17 pm

2 stops8h 57m

Brownsville South Padre Is. Intl

Sat 5/30

2:47 pm-12:13 am

2 stops8h 26m

$509
Cheapest one-way

Washington, D.C.Brownsville

IAD - BRO

IADBRO

Washington, D.C. Dulles Intl

Thu 5/14

11:07 am-7:55 am

2 stops21h 48m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Brownsville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Brownsville in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Brownsville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Brownsville flight deals on Cheapflights vs. FlightHub >95% 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 FlightHub the most. FlightHub 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.

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 0 airlines have 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 5h 59m. 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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights