HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Baton Rouge

$278+ Cheap flights from Dulles Intl (IAD) to Baton Rouge (BTR)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BTR
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Baton Rouge with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Baton Rouge

Cheapest flights from Dulles Intl to Baton Rouge
Explore the most affordable flight options available from Dulles Intl to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.

This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:38 pm
IAD
-
BTR
1 stop6h 05m
United Airlines
Tue 11/104:13 pm
BTR
-
IAD
1 stop7h 24m
United Airlines
Deal found 7/31$391
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/236:00 am
IAD
-
BTR
1 stop4h 41m
Delta
Sat 1/27:00 pm
BTR
-
IAD
1 stop4h 20m
Delta
Deal found 7/30$411
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:47 pm
IAD
-
BTR
1 stop5h 14m
Delta
Wed 9/26:07 am
BTR
-
IAD
1 stop6h 58m
Delta
Deal found 7/31$425
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:30 pm
IAD
-
BTR
1 stop5h 28m
American Airlines
Sun 9/276:26 pm
BTR
-
IAD
1 stop4h 22m
American Airlines
Deal found 7/30$427
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:08 pm
IAD
-
BTR
1 stop7h 28m
American Airlines
Sun 9/136:26 pm
BTR
-
IAD
1 stop4h 22m
American Airlines
Deal found 8/1$430
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 am
IAD
-
BTR
1 stop4h 39m
Delta
Sun 9/135:46 pm
BTR
-
IAD
1 stop5h 55m
Delta
Deal found 7/29$437
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:57 pm
IAD
-
BTR
1 stop5h 36m
United Airlines
Sun 9/612:00 pm
BTR
-
IAD
1 stop5h 59m
United Airlines
Deal found 7/30$447
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:14 am
IAD
-
BTR
1 stop6h 00m
American Airlines
Sat 8/88:10 am
BTR
-
IAD
1 stop7h 54m
American Airlines
Deal found 7/28$459
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:15 am
IAD
-
BTR
1 stop5h 46m
Delta
Mon 10/53:48 pm
BTR
-
IAD
1 stop4h 56m
Delta
Deal found 7/28$463
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:57 am
IAD
-
BTR
2 stops13h 09m
American Airlines
Wed 9/25:26 pm
BTR
-
IAD
1 stop4h 29m
American Airlines
Deal found 7/30$465
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
IAD
-
BTR
1 stop4h 39m
Delta
Tue 9/81:32 pm
BTR
-
IAD
1 stop5h 42m
Delta
Deal found 7/30$472

Find flight deals from Dulles Intl to Baton Rouge

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Baton Rouge (BTR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$391
(United Airlines)

One-way from

$278
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$359
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Baton Rouge Ryan flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Baton Rouge Ryan flights.
Search Deals
From Washington, D.C. Dulles Intl to Baton Rouge Ryan
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Baton Rouge Ryan
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Baton Rouge that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Baton Rouge that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Wed 8/26

5:47 pm-10:01 pm

1 stop5h 14m

Baton Rouge Ryan

Wed 9/2

6:07 am-2:05 pm

1 stop6h 58m

$425

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Wed 9/30

8:08 am-12:52 pm

1 stop5h 44m

Baton Rouge Ryan

Sun 10/4

6:03 am-11:30 am

1 stop4h 27m

$427

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Wed 9/30

8:08 am-12:52 pm

1 stop5h 44m

Baton Rouge Ryan

Mon 10/5

3:48 pm-9:44 pm

1 stop4h 56m

$427

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Thu 9/3

6:00 am-9:39 am

1 stop4h 39m

Baton Rouge Ryan

Tue 9/8

1:32 pm-8:14 pm

1 stop5h 42m

$480

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Sat 8/15

2:54 pm-8:46 pm

1 stop6h 52m

Baton Rouge Ryan

Sun 8/16

7:13 pm-12:34 am

1 stop4h 21m

$499

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Sun 8/30

8:31 am-3:30 pm

1 stop7h 59m

Baton Rouge Ryan

Sun 9/6

4:10 pm-12:30 am

1 stop7h 20m

$501

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Fri 8/21

8:31 am-1:16 pm

1 stop5h 45m

Baton Rouge Ryan

Sun 8/23

12:00 pm-8:56 pm

1 stop7h 56m

$539
Quickest round-trip

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Fri 10/9

10:14 am-1:54 pm

1 stop4h 40m

Baton Rouge Ryan

Sun 10/11

1:43 pm-6:48 pm

1 stop4h 05m

$549

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Wed 8/19

12:57 pm-5:33 pm

1 stop5h 36m

Baton Rouge Ryan

Sat 8/22

4:10 pm-11:55 pm

1 stop6h 45m

$559

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Fri 9/11

12:45 pm-5:33 pm

1 stop5h 48m

Baton Rouge Ryan

Sun 9/13

6:14 pm-11:18 am

2 stops16h 04m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Baton Rouge

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 Baton Rouge in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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-Baton Rouge 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-Baton Rouge flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Baton Rouge 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-Baton Rouge 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-Baton Rouge 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 Baton Rouge

Have a flexible travel schedule? Discover the best time to fly to Baton Rouge from Dulles Intl with our price prediction graph.
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.

Reviews of airlines servicing Baton Rouge

Get insights into the airlines that provide service to Baton Rouge. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Baton Rouge. Reviews last updated August 2, 2026.
See what other customers who have flown with Delta from Washington, D.C. Dulles Intl Airport to Baton Rouge have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,493 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Crew

8.5

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,493 reviews
Delta
7.8
Good
8,493 reviews

Boarding

8.1

Food

7.2

Overall

7.8

Crew

8.5

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Baton Rouge. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Baton Rouge Ryan (BTR) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Baton Rouge. You should not have trouble finding flights to Ryan 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 1 airline has flights to the Baton Rouge airport from Washington, D.C. Dulles Intl. It is only a 5.8 mi journey from Ryan (BTR) to Baton Rouge’s city center.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Baton Rouge in 5h 14m. Fly via Delta to get the fastest option. Washington, D.C. Dulles Intl Airport and Baton Rouge are separated by a distance of 969 mi.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Baton Rouge round-trip?

    According to our current data, Delta ($368), offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Baton Rouge.

  • Can I find deals for flights from Dulles Intl to Baton Rouge that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Baton Rouge flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Baton Rouge?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Baton Rouge.

  • Can I find deals for business class flights from Dulles Intl to Baton Rouge?

    Yes. Cheapflights offers flight deals from Dulles Intl to Baton Rouge by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Baton Rouge?

Book flights to Baton Rouge if you plan to visit one of these locations
McComb
Saint Francisville
Denham Springs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Dulles Intl to Baton Rouge

Discover the top airline that operate flights from Dulles Intl to Baton Rouge. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$368Average$430FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.