$258 Cheap Flights from Baton Rouge (BTR) to Washington (IAD)

View $258 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Baton Rouge to Washington (BTR-IAD)

Prices were available within the past 7 days and start at $258 for one-way flights and $325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jan 21 - Wed, Feb 11
BTR
Baton Rouge
IAD
Washington
$325 Roundtrip, found 10 hours ago
$325
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Jan 21 from Baton Rouge to Washington, returning Wed, Feb 11, priced at $325 found 10 hours ago
Delta
Sat, Jan 3 - Wed, Jan 7
BTR
Baton Rouge
IAD
Washington
$325 Roundtrip, found 4 hours ago
$325
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Jan 3 from Baton Rouge to Washington, returning Wed, Jan 7, priced at $325 found 4 hours ago
Delta
Sat, Jan 3 - Thu, Jan 8
BTR
Baton Rouge
IAD
Washington
$345 Roundtrip, found 4 hours ago
$345
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Jan 3 from Baton Rouge to Washington, returning Thu, Jan 8, priced at $345 found 4 hours ago
United
Tue, Nov 4 - Sat, Nov 8
BTR
Baton Rouge
IAD
Washington
$347 Roundtrip, found 1 day ago
$347
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 4 from Baton Rouge to Washington, returning Sat, Nov 8, priced at $347 found 1 day ago
United
Tue, Nov 4 - Sat, Nov 8
BTR
Baton Rouge
IAD
Washington
$351 Roundtrip, found 1 day ago
$351
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 4 from Baton Rouge to Washington, returning Sat, Nov 8, priced at $351 found 1 day ago
Delta
Thu, Jan 1 - Wed, Jan 7
BTR
Baton Rouge
IAD
Washington
$352 Roundtrip, found 4 hours ago
$352
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Jan 1 from Baton Rouge to Washington, returning Wed, Jan 7, priced at $352 found 4 hours ago
United
Wed, Jan 28 - Sat, Jan 31
BTR
Baton Rouge
IAD
Washington
$354 Roundtrip, found 5 days ago
$354
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 28 from Baton Rouge to Washington, returning Sat, Jan 31, priced at $354 found 5 days ago
United
Wed, Jan 28 - Sat, Jan 31
BTR
Baton Rouge
IAD
Washington
$356 Roundtrip, found 5 days ago
$356
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 28 from Baton Rouge to Washington, returning Sat, Jan 31, priced at $356 found 5 days ago
Delta
Mon, Jan 5 - Thu, Jan 22
BTR
Baton Rouge
IAD
Washington
$365 Roundtrip, found 8 hours ago
$365
Roundtrip
found 8 hours ago
Select Delta flight, departing Mon, Jan 5 from Baton Rouge to Washington, returning Thu, Jan 22, priced at $365 found 8 hours ago
United
Sat, Nov 22 - Tue, Nov 25
BTR
Baton Rouge
IAD
Washington
$368 Roundtrip, found 6 days ago
$368
Roundtrip
found 6 days ago
Select United flight, departing Sat, Nov 22 from Baton Rouge to Washington, returning Tue, Nov 25, priced at $368 found 6 days ago

Find the cheapest month to fly from Baton Rouge (BTR) to Washington (IAD)

November is typically the cheapest month to fly

From $224 - $683 per traveler.

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 $499
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $499
Flights from Baton Rouge (BTR) to Washington (IAD)
Origin airport
Baton Rouge Metropolitan
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$324
Distance
969 mi

Baton Rouge to Washington Flights

The cheapest times to fly from Baton Rouge 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 Baton Rouge to Washington are during the month of January. You can find some of the cheapest flights from Baton Rouge to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baton Rouge to Washington

Sunday is one of the best days to book for cheap flights from Baton Rouge 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 Baton Rouge 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 Baton Rouge to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $258 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 Baton Rouge 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 Baton Rouge 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 Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD) cost?
Grab a cheap one-way flight from $258 or cheap return flight from $325 from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from BTR to IAD is January, when demand is low. Off-peak season is generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from BTR to IAD, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD)?
There are no daily direct flights available from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from BTR to IAD?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD)?
Select a flight from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for Washington from Baton Rouge Metropolitan Airport (BTR)?
Ronald Reagan Washington National Airport (DCA) is the only airport in Washington with direct flights from Baton Rouge Metropolitan Airport (BTR). Explore the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute fares from BTR to IAD are usually more expensive. To lock in the lowest prices, start looking for flights as soon as possible. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your journey.
Is it cheaper to book a BTR to IAD flight and hotel package?
You'll generally save money by securing a BTR 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 easy to manage it all in one place. Once you've selected your preferred accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD)?
In most cases, you're able to reschedule or cancel your BTR to IAD flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like more details, visit our Customer Service portal.

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*Available to One Key members.