$165 Cheap Flights from Brownsville (BRO) to Washington (IAD)

View $165 flight on Sat, Nov 15, 2025Opens in a new window

Popular airlines from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Brownsville to Washington (BRO-IAD)

Prices were available within the past 7 days and start at $165 for one-way flights and $342 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Nov 13 - Fri, Nov 21
BRO
Brownsville
IAD
Washington
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 13 from Brownsville to Washington, returning Fri, Nov 21, priced at $342 found 3 days ago
American Airlines
Thu, Oct 30 - Sat, Nov 1
BRO
Brownsville
IAD
Washington
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 30 from Brownsville to Washington, returning Sat, Nov 1, priced at $349 found 1 day ago
American Airlines
Wed, Oct 29 - Sat, Nov 1
BRO
Brownsville
IAD
Washington
$354 Roundtrip, found 1 day ago
$354
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 29 from Brownsville to Washington, returning Sat, Nov 1, priced at $354 found 1 day ago
United
Mon, Nov 3 - Fri, Nov 7
BRO
Brownsville
IAD
Washington
$364 Roundtrip, found 1 day ago
$364
Roundtrip
found 1 day ago
Select United flight, departing Mon, Nov 3 from Brownsville to Washington, returning Fri, Nov 7, priced at $364 found 1 day ago
United
Tue, Jan 6 - Tue, Jan 20
BRO
Brownsville
IAD
Washington
$374 Roundtrip, found 2 days ago
$374
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jan 6 from Brownsville to Washington, returning Tue, Jan 20, priced at $374 found 2 days ago
American Airlines
Sun, Dec 14 - Fri, Jan 2
BRO
Brownsville
IAD
Washington
$379 Roundtrip, found 3 days ago
$379
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Dec 14 from Brownsville to Washington, returning Fri, Jan 2, priced at $379 found 3 days ago
United
Fri, Oct 31 - Mon, Nov 3
BRO
Brownsville
IAD
Washington
$395 Roundtrip, found 1 day ago
$395
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 31 from Brownsville to Washington, returning Mon, Nov 3, priced at $395 found 1 day ago
American Airlines
Thu, Oct 30 - Mon, Nov 3
BRO
Brownsville
IAD
Washington
$399 Roundtrip, found 1 day ago
$399
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 30 from Brownsville to Washington, returning Mon, Nov 3, priced at $399 found 1 day ago
American Airlines
Thu, Nov 13 - Fri, Nov 21
BRO
Brownsville
IAD
Washington
$404 Roundtrip, found 3 days ago
$404
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 13 from Brownsville to Washington, returning Fri, Nov 21, priced at $404 found 3 days ago
American Airlines
Wed, Oct 29 - Mon, Nov 3
BRO
Brownsville
IAD
Washington
$404 Roundtrip, found 1 day ago
$404
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 29 from Brownsville to Washington, returning Mon, Nov 3, priced at $404 found 1 day ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $349
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $349
Flights from Brownsville (BRO) to Washington (IAD)
Origin airport
Brownsville-South Padre Island Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, United
Roundtrip price
$342
Distance
1467 mi

Brownsville to Washington Flights

The cheapest times to fly from Brownsville to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Brownsville to Washington are during the month of November. You can find some of the cheapest flights from Brownsville to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Brownsville to Washington

Sunday is one of the best days to book for cheap flights from Brownsville to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Brownsville to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Brownsville to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $165 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Brownsville to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Brownsville to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $165 or cheap return flight from $342 from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD)?
November is the most affordable month to fly from BRO to IAD. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from BRO to IAD. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD)?
There are no daily nonstop flights from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from BRO to IAD?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD)?
Opt for a flight from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from BRO to IAD are typically more expensive. To lock in the best prices, start searching for flights well ahead of time. That being said, if you're flexible with your travel dates, you may score a cheap ticket right before you leave.
Is it cheaper to book a BRO to IAD flight and hotel package?
You can save money by securing a BRO to IAD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Brownsville-South Padre Island Intl. Airport (BRO) to Washington Dulles Intl. Airport (IAD)?
In most cases, you can reschedule or cancel your BRO to IAD flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further details, go to our Customer Service portal.

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*Available to One Key members.