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 21m. 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.

In terms of precipitation, rainfall in Brownsville 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 Brownsville when rainfall is around 1.1 in.

If weather is an important factor for your trip to Brownsville, 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).

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

When flying from Washington, D.C. Dulles Intl Airport to Brownsville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

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.

$329+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Brownsville

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Cheap flight deals from Dulles Intl to Brownsville

Cheapest

Best

Last-minute

One-way

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 September 2, 2026.

Sat 10/243:08 pm -

1 stop8h 49m

Sat 10/313:37 pm -

1 stop6h 46m

Deal found 9/2

$339

Tue 9/1512:45 pm -

1 stop6h 28m

Thu 9/244:37 pm -

1 stop6h 53m

Deal found 8/29

$374

Sat 9/1212:57 pm -

1 stop6h 16m

Thu 9/174:38 pm -

1 stop6h 52m

Deal found 8/30

$384

Wed 9/1612:45 pm -

1 stop6h 28m

Sun 9/204:38 pm -

1 stop6h 52m

Deal found 9/1

$414

Sat 9/1212:30 pm -

2 stops8h 35m

Thu 9/172:47 pm -

1 stop7h 05m

Deal found 8/30

$463

Sun 11/222:38 pm -

1 stop6h 08m

Fri 11/274:38 pm -

1 stop6h 59m

Deal found 9/1

$478

Fri 10/96:15 am -

1 stop6h 08m

Mon 10/124:37 pm -

1 stop6h 53m

Deal found 8/31

$504

Tue 9/157:57 am -

2 stops8h 29m

Thu 9/245:49 am -

1 stop7h 29m

Deal found 8/29

$528

Tue 9/296:14 am -

2 stops10h 12m

Tue 10/610:39 am -

2 stops9h 07m

Deal found 8/30

$556

Best flights from Dulles Intl to Brownsville
Discover carefully curated flight deals from Dulles Intl to Brownsville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.

Sat 10/243:08 pm -

1 stop8h 49m

Sat 10/313:37 pm -

1 stop6h 46m

Deal found 8/31

$339

Tue 9/2912:52 pm -

1 stop6h 21m

Tue 10/612:05 pm -

1 stop5h 57m

Deal found 8/30

$339

Tue 9/1512:45 pm -

1 stop6h 28m

Thu 9/244:37 pm -

1 stop6h 53m

Deal found 8/29

$374

Sat 9/1212:57 pm -

1 stop6h 16m

Thu 9/174:38 pm -

1 stop6h 52m

Deal found 8/30

$384

Wed 9/1612:45 pm -

1 stop6h 28m

Sun 9/204:38 pm -

1 stop6h 52m

Deal found 9/1

$414

Sun 11/222:38 pm -

1 stop6h 08m

Fri 11/274:38 pm -

1 stop6h 59m

Deal found 9/1

$478

Fri 10/96:15 am -

1 stop6h 08m

Mon 10/124:37 pm -

1 stop6h 53m

Deal found 8/31

$504

Last-minute flights from Dulles Intl to Brownsville
Discover last-minute flight deals from Dulles Intl to Brownsville. Data last updated September 2, 2026 and is based on user searches.

Sat 9/1212:57 pm -

1 stop6h 16m

Thu 9/174:38 pm -

1 stop6h 52m

Deal found 8/30

$384

Sat 9/1212:30 pm -

2 stops8h 35m

Thu 9/172:47 pm -

1 stop7h 05m

Deal found 8/30

$463

Tue 9/1512:45 pm -

1 stop6h 28m

Thu 9/244:37 pm -

1 stop6h 53m

Deal found 8/29

$374

Tue 9/157:57 am -

2 stops8h 29m

Thu 9/245:49 am -

1 stop7h 29m

Deal found 8/29

$528

Wed 9/1612:45 pm -

1 stop6h 28m

Sun 9/204:38 pm -

1 stop6h 52m

Deal found 9/1

$414

Tue 9/296:14 am -

2 stops10h 12m

Tue 10/610:39 am -

2 stops9h 07m

Deal found 8/30

$556

Thu 10/112:52 pm -

1 stop6h 21m

Thu 10/84:37 pm -

1 stop6h 53m

Deal found 9/1

$593

Fri 10/96:15 am -

1 stop6h 08m

Mon 10/124:37 pm -

1 stop6h 53m

Deal found 8/31

$504

Sat 10/243:08 pm -

1 stop8h 49m

Sat 10/313:37 pm -

1 stop6h 46m

Deal found 9/2

$339

One-way flights from Dulles Intl to Brownsville
Search for one-way flight options from Dulles Intl to Brownsville. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.

Thu 12/245:50 pm -

1 stop6h 08m

Deal found 8/29

$329

Wed 12/2310:54 pm -

1 stop24h 05m

Deal found 8/30

$422

Fri 9/186:30 am -

1 stop5h 53m

Deal found 9/2

$429

Sat 1/23:22 pm -

2 stops8h 36m

Deal found 8/29

$465

Wed 12/233:22 pm -

2 stops8h 36m

Deal found 8/29

$558

Sun 1/36:10 am -

2 stops10h 42m

Deal found 8/29

$606

Find flight deals from Dulles Intl to Brownsville

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$339 (American Airlines)
One-way from	$329 (American Airlines)
Popular in	June
Cheapest in	February
Average price	$512

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. 21% potential increase in price ($145 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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 Washington, D.C. Dulles Intl - BRO Brownsville South Padre Is. Intl

IADBRO

Washington, D.C. Dulles Intl

Sat 10/24

3:08 pm-10:57 pm

1 stop8h 49m

Brownsville South Padre Is. Intl

Sat 10/31

3:37 pm-11:23 pm

1 stop6h 46m

$339

Quickest round-trip

Washington, D.C.Brownsville

IAD Washington, D.C. Dulles Intl - BRO Brownsville South Padre Is. Intl

IADBRO

Washington, D.C. Dulles Intl

Tue 9/29

12:52 pm-6:13 pm

1 stop6h 21m

Brownsville South Padre Is. Intl

Tue 10/6

12:05 pm-7:02 pm

1 stop5h 57m

$339

Washington, D.C.Brownsville

IAD Washington, D.C. Dulles Intl - BRO Brownsville South Padre Is. Intl

IADBRO

Washington, D.C. Dulles Intl

Tue 9/15

12:45 pm-6:13 pm

1 stop6h 28m

Brownsville South Padre Is. Intl

Thu 9/24

4:37 pm-12:30 am

1 stop6h 53m

$374

Washington, D.C.Brownsville

IAD Washington, D.C. Dulles Intl - BRO Brownsville South Padre Is. Intl

IADBRO

Washington, D.C. Dulles Intl

Sat 9/12

12:57 pm-6:13 pm

1 stop6h 16m

Brownsville South Padre Is. Intl

Thu 9/17

4:38 pm-12:30 am

1 stop6h 52m

$384

Washington, D.C.Brownsville

IAD Washington, D.C. Dulles Intl - BRO Brownsville South Padre Is. Intl

IADBRO

Washington, D.C. Dulles Intl

Wed 9/16

12:45 pm-6:13 pm

1 stop6h 28m

Brownsville South Padre Is. Intl

Sun 9/20

4:38 pm-12:30 am

1 stop6h 52m

$414

Washington, D.C.Brownsville

IAD Washington, D.C. Dulles Intl - BRO Brownsville South Padre Is. Intl

IADBRO

Washington, D.C. Dulles Intl

Sun 11/22

2:38 pm-7:46 pm

1 stop6h 08m

Brownsville South Padre Is. Intl

Fri 11/27

4:38 pm-12:37 am

1 stop6h 59m

$478

Washington, D.C.Brownsville

IAD Washington, D.C. Dulles Intl - BRO Brownsville South Padre Is. Intl

IADBRO

Washington, D.C. Dulles Intl

Fri 10/9

6:15 am-11:23 am

1 stop6h 08m

Brownsville South Padre Is. Intl

Mon 10/12

4:37 pm-12:30 am

1 stop6h 53m

$504

Cheapest one-way

Washington, D.C.Brownsville

IAD Washington, D.C. Dulles Intl - BRO Brownsville South Padre Is. Intl

IADBRO

Washington, D.C. Dulles Intl

Sat 1/2

12:50 pm-7:51 pm

1 stop8h 01m

$329

Washington, D.C.Brownsville

IAD Washington, D.C. Dulles Intl - BRO Brownsville South Padre Is. Intl

IADBRO

Washington, D.C. Dulles Intl

Wed 12/23

10:54 pm-9:59 pm

1 stop24h 05m

$422

Quickest one-way

Washington, D.C.Brownsville

IAD Washington, D.C. Dulles Intl - BRO Brownsville South Padre Is. Intl

IADBRO

Washington, D.C. Dulles Intl

Fri 9/18

6:30 am-11:23 am

1 stop5h 53m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/29

Showing 1-10 of 11 resultsSorted by cheapest first

Compare providers for flights from Dulles Intl to Brownsville

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 September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

IAD-BRO

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

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 6h 21m. 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.

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$329+ 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 1/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Brownsville with Cheapflights

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Cheap flight deals from Dulles Intl to Brownsville

Cheapest flights from Dulles Intl to BrownsvilleExplore 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 September 2, 2026.

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 September 2, 2026.

Best flights from Dulles Intl to BrownsvilleDiscover carefully curated flight deals from Dulles Intl to Brownsville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.

Discover carefully curated flight deals from Dulles Intl to Brownsville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.

Last-minute flights from Dulles Intl to BrownsvilleDiscover last-minute flight deals from Dulles Intl to Brownsville. Data last updated September 2, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Brownsville. Data last updated September 2, 2026 and is based on user searches.

One-way flights from Dulles Intl to BrownsvilleSearch for one-way flight options from Dulles Intl to Brownsville. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.

Search for one-way flight options from Dulles Intl to Brownsville. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.

Find flight deals from Dulles Intl to Brownsville

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brownsville that are best for you.

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 September.

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.

Related info for your journey

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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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.

Other flights to Brownsville

Explore flights to Brownsville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.

Complete your trip

Complete your trip to Brownsville by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Dulles Intl to Brownsville by cabin class

Find flights from Dulles Intl to Brownsville, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Dulles Intl and Brownsville flights

Browse other Dulles Intl and Brownsville flight options. Last updated on September 2, 2026.

Other flights from Dulles Intl

Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.

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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 September 2, 2026.

Best flights from Dulles Intl to Brownsville
Discover carefully curated flight deals from Dulles Intl to Brownsville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.

Last-minute flights from Dulles Intl to Brownsville
Discover last-minute flight deals from Dulles Intl to Brownsville. Data last updated September 2, 2026 and is based on user searches.

One-way flights from Dulles Intl to Brownsville
Search for one-way flight options from Dulles Intl to Brownsville. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.