$243 Cheap Flights from Washington (IAD) to Baton Rouge (BTR)

View $243 flight on Tue, Jan 27, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $243 for one-way flights and $321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Jan 17 - Tue, Jan 20
IAD
Washington
BTR
Baton Rouge
$321 Roundtrip, found 9 hours ago
$321
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Jan 17 from Washington to Baton Rouge, returning Tue, Jan 20, priced at $321 found 9 hours ago
United
Sat, Jan 17 - Tue, Jan 20
IAD
Washington
BTR
Baton Rouge
$321 Roundtrip, found 9 hours ago
$321
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Jan 17 from Washington to Baton Rouge, returning Tue, Jan 20, priced at $321 found 9 hours ago
United
Sat, Feb 14 - Wed, Feb 18
IAD
Washington
BTR
Baton Rouge
$343 Roundtrip, found 4 days ago
$343
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 14 from Washington to Baton Rouge, returning Wed, Feb 18, priced at $343 found 4 days ago
Delta
Tue, Jan 27 - Mon, Feb 2
IAD
Washington
BTR
Baton Rouge
$347 Roundtrip, found 1 day ago
$347
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 27 from Washington to Baton Rouge, returning Mon, Feb 2, priced at $347 found 1 day ago
American Airlines
Mon, Jan 12 - Sat, Jan 17
IAD
Washington
BTR
Baton Rouge
$347 Roundtrip, found 2 hours ago
$347
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Mon, Jan 12 from Washington to Baton Rouge, returning Sat, Jan 17, priced at $347 found 2 hours ago
Delta
Tue, Jan 27 - Fri, Jan 30
IAD
Washington
BTR
Baton Rouge
$348 Roundtrip, found 1 day ago
$348
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 27 from Washington to Baton Rouge, returning Fri, Jan 30, priced at $348 found 1 day ago
United
Sat, Jan 17 - Tue, Jan 20
IAD
Washington
BTR
Baton Rouge
$351 Roundtrip, found 9 hours ago
$351
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Jan 17 from Washington to Baton Rouge, returning Tue, Jan 20, priced at $351 found 9 hours ago
American Airlines
Tue, Dec 23 - Tue, Jan 6
IAD
Washington
BTR
Baton Rouge
$355 Roundtrip, just found
$355
Roundtrip
just found
Select American Airlines flight, departing Tue, Dec 23 from Washington to Baton Rouge, returning Tue, Jan 6, priced at $355 just found
United
Tue, Dec 30 - Mon, Jan 5
IAD
Washington
BTR
Baton Rouge
$373 Roundtrip, found 2 days ago
$373
Roundtrip
found 2 days ago
Select United flight, departing Tue, Dec 30 from Washington to Baton Rouge, returning Mon, Jan 5, priced at $373 found 2 days ago
Delta
Thu, Jan 29 - Fri, Jan 30
IAD
Washington
BTR
Baton Rouge
$374 Roundtrip, found 1 day ago
$374
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jan 29 from Washington to Baton Rouge, returning Fri, Jan 30, priced at $374 found 1 day ago

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

May is typically the cheapest month to fly

From $279 - $675 per traveler.

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 $449
BTR
Baton Rouge Metropolitan
CheapestClosest
Average driving time to city center10 min
Flights from $449
Flights from Washington (IAD) to Baton Rouge (BTR)
Origin airport
Washington Dulles Intl.
Destination airport
Baton Rouge Metropolitan
Airlines serving
American Airlines, Delta, United
Roundtrip price
$320
Distance
969 mi

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 January. 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 $243 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 Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR) cost?
Secure a cheap one-way flight from $243 or cheap return flight from $321 from Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR) 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 Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR)?
January is the most affordable month to fly from IAD to BTR. Traveling during an off-peak travel window is often the key to finding a great deal.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR)?
There's no direct route from Washington, DC (IAD-Washington Dulles Intl.) to Baton Rouge Metropolitan Airport (BTR). However, you can find other airports that have nonstop flights. Start your journey at Ronald Reagan Washington National Airport (DCA) and fly straight to Baton Rouge without any detours.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR)?
To find the cheapest airline flying from IAD to BTR, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR)?
You'll have to take a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from IAD to BTR?
You'll typically find Tuesday the quietest day for flights, while Fridays are often 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 Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR)?
Choose a flight from Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this 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 Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR) last-minute?
Last-minute fares from IAD to BTR are generally more expensive. To secure the best prices, start looking for flights as soon as possible. That being said, if your travel plans are flexible, it's possible to score a cheap fare right before your journey.
Is it cheaper to book an IAD to BTR flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to BTR flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place takes the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Baton Rouge Metropolitan Airport (BTR)?
You can usually reschedule or cancel your IAD to BTR flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.