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Idaho Falls

$373+ Cheap flights from Baton Rouge to Idaho Falls (BTR - IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
BTR — IDA
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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Cheap flight deals from Baton Rouge to Idaho Falls

Cheapest flights from Baton Rouge to Idaho Falls
Explore the most affordable flight options available from Baton Rouge to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2026.

This United Airlines deal was found by Cheapflights users on 2/20. 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 4/115:00 am
BTR
-
IDA
2 stops9h 24m
United Airlines
Sat 4/186:45 am
IDA
-
BTR
2 stops9h 48m
United Airlines
Deal found 2/20$373
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/115:40 am
BTR
-
IDA
1 stop8h 33m
American Airlines
Sat 4/181:43 pm
IDA
-
BTR
1 stop8h 05m
American Airlines
Deal found 2/20$429
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 4/289:20 am
BTR
-
IDA
2 stops25h 33m
United Airlines
Sat 5/210:40 am
IDA
-
BTR
2 stops8h 01m
United Airlines
Deal found 2/19$468
This American Airlines deal was found by Cheapflights users on 2/19. 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 5/75:40 am
BTR
-
IDA
1 stop8h 33m
American Airlines
Tue 5/121:43 pm
IDA
-
BTR
1 stop8h 08m
American Airlines
Deal found 2/19$575
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 5/75:00 am
BTR
-
IDA
2 stops11h 43m
United Airlines
Tue 5/1210:40 am
IDA
-
BTR
2 stops8h 01m
United Airlines
Deal found 2/19$806

Find flight deals from Baton Rouge to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Baton Rouge (BTR) to Idaho Falls (IDA). 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 February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$373
(United Airlines)
Provider with most accurate pricing for Baton Rouge Ryan-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baton Rouge Ryan-Idaho Falls Fanning Field flights.
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From Baton Rouge Ryan to Idaho Falls Fanning Field
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Baton Rouge to Idaho Falls 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 February 20, 2026.
Use the filters below to find and compare flights from Baton Rouge to Idaho Falls that are best for you.

Fly from

Baton Rouge

Fly to

Idaho Falls

Route

Depart

Return

Price

Baton RougeIdaho Falls

BTR - IDA

BTRIDA

Baton Rouge Ryan

Sat 4/11

5:00 am-1:24 pm

2 stops9h 24m

Idaho Falls Fanning Field

Sat 4/18

6:45 am-5:33 pm

2 stops9h 48m

$373

Baton RougeIdaho Falls

BTR - IDA

BTRIDA

Baton Rouge Ryan

Tue 4/28

9:20 am-9:53 am

2 stops25h 33m

Idaho Falls Fanning Field

Sat 5/2

10:40 am-7:41 pm

2 stops8h 01m

$468

Baton RougeIdaho Falls

BTR - IDA

BTRIDA

Baton Rouge Ryan

Thu 5/7

5:40 am-1:13 pm

1 stop8h 33m

Idaho Falls Fanning Field

Tue 5/12

1:43 pm-10:51 pm

1 stop8h 08m

$575

Baton RougeIdaho Falls

BTR - IDA

BTRIDA

Baton Rouge Ryan

Thu 5/7

5:00 am-3:43 pm

2 stops11h 43m

Idaho Falls Fanning Field

Tue 5/12

10:40 am-7:41 pm

2 stops8h 01m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

  • Most accurate provider: When it comes to deals on Baton Rouge-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baton Rouge-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baton Rouge-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baton Rouge-Idaho Falls 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 Baton Rouge-Idaho Falls 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 Baton Rouge to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Baton Rouge 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.

Cheapflights Insights

Everything you need to know about your flight from Baton Rouge to Idaho Falls

What is the cheapest month to book a flight from Baton Rouge to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Baton Rouge to Idaho Falls (average of $161). Flying from Baton Rouge to Idaho Falls in February is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

  • How long is the flight from Baton Rouge to Idaho Falls?

    A quick flight from Baton Rouge to Idaho Falls can take about 8h 33m. United Airlines provides one of the quickest options available for as low as $575. The distance from Baton Rouge to Idaho Falls is about 1453 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Baton Rouge to Idaho Falls?

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

  • Can I find deals for business class flights from Baton Rouge to Idaho Falls?

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

  • What is the cheapest month to book a flight from Baton Rouge to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Baton Rouge to Idaho Falls (average of $161). Flying from Baton Rouge to Idaho Falls in February is currently the most expensive (average of $446). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Idaho Falls?

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Rexburg

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