$139 Cheap Flights from Washington (DCA) to Baton Rouge (BTR)

View $139 flight on Sun, Sep 14, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR)

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

Prices were available within the past 7 days and start at $139 for one-way flights and $305 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Sep 10 - Wed, Sep 17
DCA
Washington
BTR
Baton Rouge
$305 Roundtrip, found 1 day ago
$305
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Sep 10 from Washington to Baton Rouge, returning Wed, Sep 17, priced at $305 found 1 day ago
American Airlines
Sat, Nov 8 - Tue, Nov 11
DCA
Washington
BTR
Baton Rouge
$315 Roundtrip, found 7 hours ago
$315
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Sat, Nov 8 from Washington to Baton Rouge, returning Tue, Nov 11, priced at $315 found 7 hours ago
Delta
Mon, Nov 3 - Tue, Nov 11
DCA
Washington
BTR
Baton Rouge
$317 Roundtrip, found 5 days ago
$317
Roundtrip
found 5 days ago
Select Delta flight, departing Mon, Nov 3 from Washington to Baton Rouge, returning Tue, Nov 11, priced at $317 found 5 days ago
Delta
Sat, Aug 23 - Sat, Nov 22
DCA
Washington
BTR
Baton Rouge
$321 Roundtrip, found 5 days ago
$321
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Aug 23 from Washington to Baton Rouge, returning Sat, Nov 22, priced at $321 found 5 days ago
United
Sat, Nov 8 - Tue, Nov 11
DCA
Washington
BTR
Baton Rouge
$325 Roundtrip, found 7 hours ago
$325
Roundtrip
found 7 hours ago
Select United flight, departing Sat, Nov 8 from Washington to Baton Rouge, returning Tue, Nov 11, priced at $325 found 7 hours ago
American Airlines
Wed, Oct 8 - Thu, Oct 16
DCA
Washington
BTR
Baton Rouge
$325 Roundtrip, found 1 day ago
$325
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 8 from Washington to Baton Rouge, returning Thu, Oct 16, priced at $325 found 1 day ago
United
Wed, Sep 3 - Sat, Sep 6
DCA
Washington
BTR
Baton Rouge
$330 Roundtrip, found 2 days ago
$330
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 3 from Washington to Baton Rouge, returning Sat, Sep 6, priced at $330 found 2 days ago
Delta
Thu, Sep 4 - Tue, Sep 9
DCA
Washington
BTR
Baton Rouge
$333 Roundtrip, found 6 days ago
$333
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 4 from Washington to Baton Rouge, returning Tue, Sep 9, priced at $333 found 6 days ago
American Airlines
Wed, Oct 8 - Thu, Oct 16
DCA
Washington
BTR
Baton Rouge
$335 Roundtrip, found 1 day ago
$335
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Oct 8 from Washington to Baton Rouge, returning Thu, Oct 16, priced at $335 found 1 day ago
Delta
Thu, Nov 27 - Fri, Nov 28
DCA
Washington
BTR
Baton Rouge
$345 Roundtrip, found 2 hours ago
$345
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Nov 27 from Washington to Baton Rouge, returning Fri, Nov 28, priced at $345 found 2 hours ago

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

November is typically the cheapest month to fly

From $214 - $680 per traveler.

Graph displaying average flight prices per month

Alternative airports near Baton Rouge

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

Select flight to Baton Rouge Metropolitan BTR. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $897
BTR
Baton Rouge Metropolitan
CheapestClosest
Average driving time to city center10 min
Flights from $897
Flights from Washington (DCA) to Baton Rouge (BTR)
Origin airport
Ronald Reagan Washington National
Destination airport
Baton Rouge Metropolitan
Airlines serving
American Airlines, Delta, United
Roundtrip price
$305
Distance
984 mi
Average flight time
2 hours 56 mins

Washington to Baton Rouge Flights

The cheapest times to fly from Washington to Baton Rouge

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

 

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

Sunday is one of the best days to book for cheap flights from Washington to Baton Rouge: 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 Washington to Baton Rouge

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 Washington to Baton Rouge in 2025. You can also book with separate airlines for your outbound and return journeys, from $139 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 Washington to Baton Rouge 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 Washington to Baton Rouge 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 Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR) cost?
You'll find cheap return tickets from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR) starting from $345. Grab your seat and set off on your next adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving DCA on August 5 2025 and touching down at BTR. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DCA to BTR?
The cheapest flights from DCA to BTR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR)?
Jump on a nonstop flight with American Airlines and fly straight from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR).
What is the cheapest airline that flies from DCA to BTR?
Take off from DCA to BTR with American Airlines. This carrier currently offers the lowest one-way fare for this route, starting at $434. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DCA on August 13 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR)?
On average, you can choose from 6 direct flights each week from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR). For greater flexibility, consider a flight with a layover. Enter your details on Expedia and then filter your search to include one stop or more.
What are the most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR)?
The 7 PM departures from DCA to BTR are the most sought after. These flights can come with a higher price due to their popularity. If you want to save money, pick a less crowded time to fly.
What day of the week has the most flights from DCA to BTR?
Travel on a Friday if you're searching for the biggest selection of flights from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR).
What is the earliest flight from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR)?
Catch the earliest flight at around 7:51PM UTC-5, heading out of Ronald Reagan Washington National Airport (DCA). You'll be flying for roughly 3h 29m, reaching Baton Rouge Metropolitan Airport (BTR) at approximately 10:20PM UTC-6.
How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR)?
Flights from DCA to BTR have an average travel time of 3 hours and 29 minutes. The total distance between the two is 990 mi.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Baton Rouge from Ronald Reagan Washington National Airport (DCA)?
Compare your flight options from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR). This is the only airport in Baton Rouge you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR) last-minute?
Last-minute fares from DCA to BTR are usually more expensive. To lock in the cheapest rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, you may score a cheap fare just before your departure.
Is it cheaper to book a DCA to BTR flight and hotel package?
Compared with arranging hotels and flights separately, booking a DCA to BTR flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of travel planning. Just pick your flights and choose from our wide range of hotels, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Baton Rouge Metropolitan Airport (BTR)?
Typically, you can modify or cancel your DCA to BTR flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further information, visit our Customer Service portal.

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*Available to One Key members.