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Cheap flights from Idaho to Idaho Falls from $162

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Idaho Falls departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:35 pm - 10:21 pmGEG-IDA
4h 46m1 stop
Delta Logo
7:06 pm - 11:59 pmIDA-GEG
5h 53m1 stop
$325Delta
Find Deal
Sun, Dec 7 - Sun, Dec 14
Alaska Airlines Logo
8:47 pm - 4:27 pmGEG-IDA
18h 40m1 stop
Alaska Airlines Logo
5:07 pm - 8:52 amIDA-GEG
16h 45m1 stop
$373Alaska Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Multiple Airlines Logo
12:08 pm - 7:26 pmGEG-IDA
30h 18m2 stops
Multiple Airlines Logo
5:51 pm - 9:47 amIDA-GEG
16h 56m1 stop
$387Multiple Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Delta Logo
12:30 pm - 6:15 pmLWS-IDA
4h 45m1 stop
Delta Logo
6:00 am - 11:50 amIDA-LWS
6h 50m1 stop
$388Delta
Find Deal
Tue, Mar 24 - Sat, Mar 28
Alaska Airlines Logo
5:45 pm - 10:35 pmGEG-IDA
3h 50m1 stop
Alaska Airlines Logo
6:15 am - 10:54 amIDA-GEG
5h 39m1 stop
$393Alaska Airlines
Find Deal
Fri, May 8 - Sun, May 10
Delta Logo
6:25 am - 10:21 pmLWS-IDA
14h 56m2 stops
Delta Logo
6:00 am - 11:50 amIDA-LWS
6h 50m1 stop
$417Delta
Find Deal
Tue, Mar 24 - Sat, Mar 28
Alaska Airlines Logo
12:25 pm - 4:27 pmGEG-IDA
27h 02m2 stops
Alaska Airlines Logo
5:07 pm - 11:45 amIDA-GEG
43h 38m2 stops
$429Alaska Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 14
Alaska Airlines Logo
3:30 pm - 3:20 pmGEG-IDA
22h 50m2 stops
Alaska Airlines Logo
6:15 am - 10:54 amIDA-GEG
5h 39m1 stop
$452Alaska Airlines
Find Deal
Fri, May 8 - Sun, May 10
Alaska Airlines Logo
12:44 pm - 10:35 pmGEG-IDA
8h 51m2 stops
Alaska Airlines Logo
6:15 am - 10:54 amIDA-GEG
5h 39m1 stop
$462Alaska Airlines
Find Deal
Fri, May 8 - Sun, May 10
Delta Logo
6:25 am - 10:21 pmLWS-IDA
14h 56m2 stops
Delta Logo
6:45 pm - 10:57 pmIDA-LWS
29h 12m2 stops
$466Delta
Find Deal
Tue, Mar 24 - Sat, Mar 28

Delta flights from Idaho to Idaho Falls

Our best Delta deals on Idaho to Idaho Falls flight tickets
Delta
Dec 7
GEG4:35 pmSpokane
4h 46m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Dec 14
IDA7:06 pmIdaho Falls Fanning Field
5h 53m
1 stop
GEG11:59 pmSpokane
$325
Find similar
Delta
Mar 24
LWS12:30 pmLewiston Nez Perce Rgnl
4h 45m
1 stop
IDA6:15 pmIdaho Falls Fanning Field
Mar 28
IDA6:00 amIdaho Falls Fanning Field
6h 50m
1 stop
LWS11:50 amLewiston Nez Perce Rgnl
$388
Find similar
Delta
Mar 24
LWS6:25 amLewiston Nez Perce Rgnl
14h 56m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
Mar 28
IDA6:00 amIdaho Falls Fanning Field
6h 50m
1 stop
LWS11:50 amLewiston Nez Perce Rgnl
$417
Find similar

Alaska Airlines flights from Idaho to Idaho Falls

Our best Alaska Airlines deals on Idaho to Idaho Falls flight tickets
Alaska Airlines
Dec 7
GEG8:47 pmSpokane
18h 40m
1 stop
IDA4:27 pmIdaho Falls Fanning Field
Dec 14
IDA5:07 pmIdaho Falls Fanning Field
16h 45m
1 stop
GEG8:52 amSpokane
$373
Find similar
Alaska Airlines
May 8
GEG5:45 pmSpokane
3h 50m
1 stop
IDA10:35 pmIdaho Falls Fanning Field
May 10
IDA6:15 amIdaho Falls Fanning Field
5h 39m
1 stop
GEG10:54 amSpokane
$393
Find similar
Alaska Airlines
Dec 7
GEG12:25 pmSpokane
27h 02m
2 stops
IDA4:27 pmIdaho Falls Fanning Field
Dec 14
IDA5:07 pmIdaho Falls Fanning Field
43h 38m
2 stops
GEG11:45 amSpokane
$429
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Idaho to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 12/7

4:35 pm-10:21 pm

1 stop4h 46m

Idaho Falls Fanning Field

Sun 12/14

7:06 pm-11:59 pm

1 stop5h 53m

$325

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 12/7

8:47 pm-4:27 pm

1 stop18h 40m

Idaho Falls Fanning Field

Sun 12/14

5:07 pm-8:52 am

1 stop16h 45m

$373

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 12/7

12:08 pm-7:26 pm

2 stops30h 18m

Idaho Falls Fanning Field

Sun 12/14

5:51 pm-9:47 am

1 stop16h 56m

$387

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Tue 3/24

12:30 pm-6:15 pm

1 stop4h 45m

Idaho Falls Fanning Field

Sat 3/28

6:00 am-11:50 am

1 stop6h 50m

$388

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-10:54 am

1 stop5h 39m

$393

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Tue 3/24

6:25 am-10:21 pm

2 stops14h 56m

Idaho Falls Fanning Field

Sat 3/28

6:00 am-11:50 am

1 stop6h 50m

$417

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 12/7

12:25 pm-4:27 pm

2 stops27h 02m

Idaho Falls Fanning Field

Sun 12/14

5:07 pm-11:45 am

2 stops43h 38m

$429

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 5/8

3:30 pm-3:20 pm

2 stops22h 50m

Idaho Falls Fanning Field

Sun 5/10

6:15 am-10:54 am

1 stop5h 39m

$452

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 5/8

12:44 pm-10:35 pm

2 stops8h 51m

Idaho Falls Fanning Field

Sun 5/10

6:15 am-10:54 am

1 stop5h 39m

$462

LewistonIdaho Falls

LWS - IDA

LWSIDA

Lewiston Nez Perce Rgnl

Tue 3/24

6:25 am-10:21 pm

2 stops14h 56m

Idaho Falls Fanning Field

Sat 3/28

6:45 pm-10:57 pm

2 stops29h 12m

$466

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Idaho to Idaho Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Sunday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $578. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Saturday is $733.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the afternoon. Flights from Idaho to Idaho Falls during this time can be as low as $645. Try not to purchase tickets at noon because they tend to be around $715. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Idaho to Idaho Falls flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Idaho Falls

Direct flights

None
There are no direct flights from Idaho to Idaho Falls. There are no popular flight routes from Idaho to Idaho Falls.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Idaho Falls Fanning Field Airport?

    Prices for flights from Idaho to Idaho Falls Fanning Field Airport were last updated today.

  • How many operators does momondo search for flights from Idaho to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Idaho to Idaho Falls Fanning Field Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents required for your trip to Idaho Falls Fanning Field Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho Falls Fanning Field Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Idaho to Idaho Falls

Compare and see reviews for airlines that fly from Idaho to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $336Free CancellationRating
7.9
8,004 reviews
Search Delta flights

Traveling to a place near Idaho Falls?

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

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Idaho Falls?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Idaho Falls. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho to Idaho Falls with flexible booking policies on momondo?

Yes. All flights to Idaho Falls from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho to Idaho Falls?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho Falls from Idaho.

I’m not ready to book a flight from Idaho to Idaho Falls right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Idaho Falls from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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