The cheapest times to fly from BOI to BTR are

  • January 1st to February 11th
  • April 9th to April 29th
  • July 30th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BOI to BTR is mid August. Prices can be as high as $1086 for Sunday flights during mid March, or as low as $314 for Tuesday flights around mid August.


When to Fly to Baton Rouge

Flying from Boise, ID (BOI) to Baton Rouge, LA (BTR) will usually cost between $344 to $822 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid August with an average ticket price of $353. Due to high demand the most expensive time to fly is mid March, with an average price of $816. Planning your trip to low-cost times can easily save you $463 on economy flights and even more on first-class flights. Generally, any price below $533 can be considered a good price for a round-trip BOI to BTR flight.

See below for a graph of average weekly prices for the BOI to BTR route. All prices are for round-trip tickets in USD.

BOI to BTR Flight Prices

Compared to other flights, the BOI to BTR flight is cheaper than the average and costs less than the average flight leaving from Boise. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $229 (34%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $437. Return trip prices are from the BTR to BOI flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BOI to BTR can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 56 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BOI to BTR while comparing.

Destination alternative #1: Louis Armstrong New Orleans International Airport (MSY) in New Orleans, LA

  • 65 miles (105 km) away from BTR
  • Usually 26.95% less expensive than BTR
  • 1-layover flights available

See BOI to MSY flights

Destination alternative #2: Jackson Medgar Wiley Evers International Airport (JAN) in Jackson/Vicksburg, MS

  • 138 miles (222 km) away from BTR
  • Usually 5.54% less expensive than BTR
  • 1-layover flights available

See BOI to JAN flights

Destination alternative #3: Lafayette Regional Paul Fournet Field Airport (LFT) in Lafayette, LA

  • 55 miles (89 km) away from BTR
  • Usually 1.78% less expensive than BTR
  • 1-layover flights available

See BOI to LFT flights


Flight Hacking BOI to BTR

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from BOI to BTR — but Champion Traveler does!

Hack #1: Seattle, WA (BOI > SEA > BTR)

  • Price for both tickets: $502
  • Average savings: $31 (5.73%)

See BOI to SEA flights

Hack #2: Los Angeles, CA (BOI > LAX > BTR)

  • Price for both tickets: $516
  • Average savings: $17 (3.19%)

See BOI to LAX flights


Flight Questions Answered

Still have questions about flying from BOI to BTR? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Baton Rouge Metropolitan/Ryan Field Airport to Boise Air Terminal Airport?

The distance between the two airports is roughly 1639 miles or 2638 kilometers.

How long does it take to fly from BOI to BTR?

The real-world flight time for a nonstop BOI to BTR flight is about 3 hour 56 minutes.

How many flights go between Boise, ID and Baton Rouge, LA?

It depends on the day of the week and the date, but a typical day might have around 22 available flights from BOI to BTR.


Airport Location Info


Departing Airport

Origination codeBOI
Origination airport nameBoise Air Terminal Airport
CityBoise, ID
Countrythe United States

Return Airport

Destination codeBTR
Destination airport nameBaton Rouge Metropolitan/Ryan Field Airport
CityBaton Rouge, LA
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.