$268 Cheap United flights Baton Rouge (BTR) to Washington (IAD)

View $268 flight on Mon, Nov 24, 2025Opens in a new window

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$268 Cheap United flights Baton Rouge (BTR) to Washington (IAD)

Prices were available within the past 7 days and start at $268 for one-way flights and $325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 20 - Tue, Sep 23
BTR
Baton Rouge
IAD
Washington
$325 Roundtrip, found 6 hours ago
$325
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Sep 20 from Baton Rouge to Washington, returning Tue, Sep 23, priced at $325 found 6 hours ago
United
Fri, Sep 19 - Sun, Sep 21
BTR
Baton Rouge
IAD
Washington
$371 Roundtrip, found 1 day ago
$371
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 19 from Baton Rouge to Washington, returning Sun, Sep 21, priced at $371 found 1 day ago
United
Thu, Sep 4 - Sun, Sep 7
BTR
Baton Rouge
IAD
Washington
$372 Roundtrip, found 3 days ago
$372
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 4 from Baton Rouge to Washington, returning Sun, Sep 7, priced at $372 found 3 days ago
United
Wed, Sep 3 - Mon, Sep 8
BTR
Baton Rouge
IAD
Washington
$389 Roundtrip, found 4 days ago
$389
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 3 from Baton Rouge to Washington, returning Mon, Sep 8, priced at $389 found 4 days ago
United
Sat, Nov 22 - Thu, Nov 27
BTR
Baton Rouge
IAD
Washington
$392 Roundtrip, found 6 days ago
$392
Roundtrip
found 6 days ago
Select United flight, departing Sat, Nov 22 from Baton Rouge to Washington, returning Thu, Nov 27, priced at $392 found 6 days ago
United
Sat, Sep 20 - Tue, Sep 23
BTR
Baton Rouge
IAD
Washington
$395 Roundtrip, found 6 hours ago
$395
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Sep 20 from Baton Rouge to Washington, returning Tue, Sep 23, priced at $395 found 6 hours ago
Flights from Baton Rouge (BTR) to Washington (IAD)
Origin airport
Baton Rouge Metropolitan
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
United
Distance
969 mi

Frequently asked questions

How much is a United Airlines flight from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD)?
Scoring cheap one-way United Airlines flights from BTR to IAD from $268 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $325 for your next getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BTR to IAD with United Airlines?
United Airlines flights to Washington are often cheaper in the quieter months of January and February. Whether you're in search of a one-way or a return ticket, you could land a better deal then.
What is the cheapest time to book flights from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD) with United Airlines?
Look for affordable United Airlines flights from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD) one to three months before your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the ideal day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD)?
Fill in your dates, click search and check "Nonstop" on Expedia to browse any direct flights from BTR to IAD with United Airlines or another airline.
What is the earliest United Airlines flight from BTR to IAD?
Find United Airlines's earliest flights from BTR to IAD by checking the "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Washington?
Take a United Airlines flight from Baton Rouge Metropolitan Airport (BTR) to Washington, and you'll most likely land at Washington Dulles Intl. Airport (IAD). This is the airline's main hub in this destination.
Why fly with United Airlines from BTR to IAD?
Travel from BTR to IAD with United Airlines and you'll enjoy a range of benefits including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you could also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Baton Rouge Metropolitan Airport (BTR) to Washington Dulles Intl. Airport (IAD)?
Changes are often free within 24 hours of booking, but your airline may add a charge after that. For more details about modifying your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to adjust your plans without being charged, apply the "Changes included" and "No cancel fee" filters when planning your next trip.

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*Available to One Key members.