$131 Cheap Delta flights Idaho Falls (IDA) to Boise (BOI)

View $131 flight on Tue, Aug 12, 2025Opens in a new window

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$131 Cheap Delta flights Idaho Falls (IDA) to Boise (BOI)

Prices were available within the past 7 days and start at $131 for one-way flights and $254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 11 - Tue, Nov 18
IDA
Idaho Falls
BOI
Boise
$254 Roundtrip, found 4 hours ago
$254
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Nov 11 from Idaho Falls to Boise, returning Tue, Nov 18, priced at $254 found 4 hours ago
Delta
Sat, Nov 15 - Wed, Nov 19
IDA
Idaho Falls
BOI
Boise
$257 Roundtrip, found 4 hours ago
$257
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Nov 15 from Idaho Falls to Boise, returning Wed, Nov 19, priced at $257 found 4 hours ago
Delta
Sat, Nov 15 - Wed, Nov 19
IDA
Idaho Falls
BOI
Boise
$277 Roundtrip, found 17 hours ago
$277
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, Nov 15 from Idaho Falls to Boise, returning Wed, Nov 19, priced at $277 found 17 hours ago
Delta
Tue, Nov 11 - Mon, Nov 17
IDA
Idaho Falls
BOI
Boise
$290 Roundtrip, found 4 hours ago
$290
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Nov 11 from Idaho Falls to Boise, returning Mon, Nov 17, priced at $290 found 4 hours ago
Delta
Fri, Sep 26 - Sat, Sep 27
IDA
Idaho Falls
BOI
Boise
$297 Roundtrip, found 2 days ago
$297
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Sep 26 from Idaho Falls to Boise, returning Sat, Sep 27, priced at $297 found 2 days ago
Delta
Thu, Nov 13 - Wed, Nov 19
IDA
Idaho Falls
BOI
Boise
$316 Roundtrip, found 4 hours ago
$316
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Nov 13 from Idaho Falls to Boise, returning Wed, Nov 19, priced at $316 found 4 hours ago
Flights from Idaho Falls (IDA) to Boise (BOI)
Origin airport
Idaho Falls Regional
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
207 mi

Frequently asked questions

How much is a Delta Air Lines flight from Idaho Falls Regional Airport (IDA) to Boise Airport (BOI)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines round-trip flights from $254 from IDA to BOI. Affordable one-way fares from $131 are also on offer.**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 IDA to BOI with Delta Air Lines?
Delta Air Lines flights to Boise are generally cheaper in the quieter months of January and December. Whether you're searching for a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from Idaho Falls Regional Airport (IDA) to Boise Airport (BOI) with Delta Air Lines?
Search for cheap Delta Air Lines flights from Idaho Falls Regional Airport (IDA) to Boise Airport (BOI) one to three months before your departure date. 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 type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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 Delta Air Lines fly nonstop from Idaho Falls Regional Airport (IDA) to Boise Airport (BOI)?
Enter your dates, press search and select the "Nonstop" filter on Expedia to find any direct flights from IDA to BOI with Delta Air Lines or another airline.
What is the earliest Delta Air Lines flight from IDA to BOI?
Browse Delta Air Lines's earliest flights from IDA to BOI by using our "Early Morning" and "Morning" filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**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 Delta Air Lines fly into in Boise?
Board a Delta Air Lines flight from Idaho Falls Regional Airport (IDA) to Boise, and you'll most likely touch down at Boise Airport (BOI). This is the airline's main hub in this destination.
Why fly with Delta Air Lines from IDA to BOI?
Taking off from IDA to BOI with Delta Air Lines comes with a host of benefits, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*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 Delta Air Lines flight from Idaho Falls Regional Airport (IDA) to Boise Airport (BOI)?
It's generally possible to cancel or change your flight, although there may be additional fees if you made your booking over 24 hours ago. Need flexible options? Make use of Expedia's "Changes included" or "No cancel fee" filter to find flights that won't penalize you if you have to adjust your plans. To make modifications, visit "Trips," select your flight and click on "Manage Booking" for more details.

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