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Idaho Falls

$268+ Cheap flights from Idaho to Idaho Falls (IDA)

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — IDA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Idaho to Idaho Falls

Cheapest flights from Idaho to Idaho Falls
Explore the most affordable flight options available from Idaho to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:49 pmGEG - IDA
1 stop6h 18mAlaska Airlines
Sat 1/106:58 pmIDA - GEG
1 stop5h 08mAlaska Airlines
Deal found 12/17$521
This Delta deal was found by Cheapflights users on 12/16. 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 12/244:53 pmGEG - IDA
1 stop4h 59mDelta
Sat 1/35:55 amIDA - GEG
1 stop4h 13mDelta
Deal found 12/16$642
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amGEG - IDA
1 stop6h 32mAlaska Airlines
Sun 1/46:00 amIDA - GEG
1 stop5h 56mAlaska Airlines
Deal found 12/15$662
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:00 amGEG - IDA
1 stop5h 32mAlaska Airlines
Sat 12/276:00 amIDA - GEG
1 stop4h 23mAlaska Airlines
Deal found 12/15$736
This Delta deal was found by Cheapflights users on 12/15. 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.
Sat 12/204:53 pmGEG - IDA
1 stop4h 59mDelta
Sat 12/271:10 pmIDA - GEG
2 stops9h 05mDelta
Deal found 12/15$868
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/2312:16 pmLWS - IDA
1 stop5h 01mDelta
Tue 12/305:55 amIDA - LWS
1 stop6h 41mDelta
Deal found 12/16$1,037

Find flight deals from Idaho to Idaho Falls

Keep the following information in mind while searching for Idaho to Idaho Falls flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$277
(Alaska Airlines)

One-way from

$268
(Alaska Airlines)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Idaho Falls Fanning Field flights.
Search Deals
From Idaho to Idaho Falls Fanning Field
Search Deals
One-way flight from Idaho to Idaho Falls Fanning Field
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 December 18, 2025.
Use the filters below to find and compare flights from Idaho to Idaho Falls that are best for you.

Fly from

Idaho

Fly to

Idaho Falls

Route

Depart

Return

Price

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 3/7

5:57 pm-11:36 pm

1 stop4h 39m

Idaho Falls Fanning Field

Wed 3/11

5:20 pm-9:37 pm

1 stop5h 17m

$277

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 1/13

4:55 pm-10:19 pm

1 stop4h 24m

Idaho Falls Fanning Field

Tue 1/20

6:35 pm-11:50 pm

1 stop6h 15m

$280

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 1/13

12:10 pm-6:18 pm

1 stop5h 08m

Idaho Falls Fanning Field

Tue 1/20

6:58 pm-11:12 am

1 stop17h 14m

$285

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 5/8

5:45 pm-10:35 pm

1 stop3h 50m

Idaho Falls Fanning Field

Sun 5/10

6:15 am-9:14 am

1 stop3h 59m

$393

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 4/11

5:45 pm-10:35 pm

1 stop3h 50m

Idaho Falls Fanning Field

Sun 4/12

6:15 am-10:54 am

1 stop5h 39m

$393

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Mon 1/5

4:49 pm-12:07 am

1 stop6h 18m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Idaho to Idaho Falls

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

What is the cheapest time of day to fly from ID to IDA?

Find hourly flight availability from Idaho to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho to Idaho Falls in the evening. If you’re flexible enough to do this you can expect to save up to 55% on your trip compared to booking a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Idaho Falls. 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 Idaho Falls from Idaho?

    Idaho Falls Fanning Field (IDA) is the airport you will fly into if you book a flight from Idaho to Idaho Falls. It is only a 3.8 mi journey from Fanning Field (IDA) to Idaho Falls’s city center.

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

    For as low as $280, Alaska Airlines can have you in Idaho Falls from Idaho in 4h 24m. There are 387 mi between Idaho and Idaho Falls. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho 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.

See more FAQs

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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