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Cheap flights from Idaho to Idaho Falls from $128

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 5/17. 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
5:30 am - 12:26 pm
GEG
-
IDA
5h 56m
1 stop
Delta Logo
6:54 pm - 11:35 pm
IDA
-
GEG
5h 41m
1 stop
$337Delta
Wed, May 6 - Wed, May 13
Alaska Airlines Logo
5:00 am - 1:17 pm
GEG
-
IDA
7h 17m
1 stop
Alaska Airlines Logo
4:03 pm - 8:28 am
IDA
-
GEG
17h 25m
1 stop
$343Alaska Airlines
Thu, May 14 - Mon, May 18
Alaska Airlines Logo
11:18 am - 10:40 pm
GEG
-
IDA
10h 22m
1 stop
Alaska Airlines Logo
6:00 am - 9:00 am
IDA
-
GEG
4h 00m
1 stop
$346Alaska Airlines
Tue, May 5 - Tue, May 12
Alaska Airlines Logo
12:40 pm - 1:17 pm
GEG
-
IDA
23h 37m
1 stop
Alaska Airlines Logo
4:03 pm - 11:52 am
IDA
-
GEG
20h 49m
1 stop
$353Alaska Airlines
Tue, May 12 - Thu, May 14
Alaska Airlines Logo
12:36 pm - 1:17 pm
GEG
-
IDA
23h 41m
1 stop
Alaska Airlines Logo
6:00 am - 11:42 am
IDA
-
GEG
6h 42m
1 stop
$357Alaska Airlines
Mon, May 25 - Fri, May 29
Delta Logo
5:35 am - 10:47 am
GEG
-
IDA
4h 12m
1 stop
Delta Logo
6:54 pm - 11:35 pm
IDA
-
GEG
5h 41m
1 stop
$374Delta
Fri, May 8 - Wed, May 13
Alaska Airlines Logo
12:36 pm - 1:17 pm
GEG
-
IDA
23h 41m
1 stop
Alaska Airlines Logo
4:03 pm - 9:45 pm
IDA
-
GEG
30h 42m
2 stops
$376Alaska Airlines
Fri, May 15 - Mon, May 18
Multiple Airlines Logo
9:19 pm - 9:31 pm
GEG
-
IDA
23h 12m
2 stops
Multiple Airlines Logo
5:46 pm - 10:55 am
IDA
-
GEG
18h 09m
1 stop
$378Multiple Airlines
Sun, May 3 - Sun, May 10
Alaska Airlines Logo
5:00 am - 1:17 pm
GEG
-
IDA
7h 17m
1 stop
Alaska Airlines Logo
1:54 pm - 9:45 pm
IDA
-
GEG
32h 51m
2 stops
$386Alaska Airlines
Thu, May 14 - Mon, May 18
Alaska Airlines Logo
8:20 am - 1:17 pm
GEG
-
IDA
3h 57m
1 stop
Alaska Airlines Logo
4:03 pm - 10:36 pm
IDA
-
GEG
7h 33m
2 stops
$387Alaska Airlines
Sat, May 16 - Sat, May 16

Alaska Airlines flights from Idaho to Idaho Falls

Our best Alaska Airlines deals on Idaho to Idaho Falls flight tickets
Alaska Airlines
May 14
GEG5:00 amSpokane
7h 17m
1 stop
IDA1:17 pmIdaho Falls Fanning Field
May 18
IDA4:03 pmIdaho Falls Fanning Field
17h 25m
1 stop
GEG8:28 amSpokane
$343
Alaska Airlines
May 5
GEG11:18 amSpokane
10h 22m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
May 12
IDA6:00 amIdaho Falls Fanning Field
4h 00m
1 stop
GEG9:00 amSpokane
$346
Alaska Airlines
May 12
GEG12:40 pmSpokane
23h 37m
1 stop
IDA1:17 pmIdaho Falls Fanning Field
May 14
IDA4:03 pmIdaho Falls Fanning Field
20h 49m
1 stop
GEG11:52 amSpokane
$353

Delta flights from Idaho to Idaho Falls

Our best Delta deals on Idaho to Idaho Falls flight tickets
Delta
May 6
GEG5:30 amSpokane
5h 56m
1 stop
IDA12:26 pmIdaho Falls Fanning Field
May 13
IDA6:54 pmIdaho Falls Fanning Field
5h 41m
1 stop
GEG11:35 pmSpokane
$337
Delta
May 8
GEG5:35 amSpokane
4h 12m
1 stop
IDA10:47 amIdaho Falls Fanning Field
May 13
IDA6:54 pmIdaho Falls Fanning Field
5h 41m
1 stop
GEG11:35 pmSpokane
$374
Delta
May 1
GEG5:10 pmSpokane
4h 30m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
May 2
IDA5:47 amIdaho Falls Fanning Field
4h 14m
1 stop
GEG9:01 amSpokane
$426

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 April 9, 2026.
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

Cheapest round-trip

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Wed 5/6

5:30 am-12:26 pm

1 stop5h 56m

Idaho Falls Fanning Field

Wed 5/13

6:54 pm-11:35 pm

1 stop5h 41m

$337

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Thu 5/14

5:00 am-1:17 pm

1 stop7h 17m

Idaho Falls Fanning Field

Mon 5/18

4:03 pm-8:28 am

1 stop17h 25m

$343

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 5/5

11:18 am-10:40 pm

1 stop10h 22m

Idaho Falls Fanning Field

Tue 5/12

6:00 am-9:00 am

1 stop4h 00m

$346

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Tue 5/12

12:40 pm-1:17 pm

1 stop23h 37m

Idaho Falls Fanning Field

Thu 5/14

4:03 pm-11:52 am

1 stop20h 49m

$353

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Mon 5/25

12:36 pm-1:17 pm

1 stop23h 41m

Idaho Falls Fanning Field

Fri 5/29

6:00 am-11:42 am

1 stop6h 42m

$357
Quickest round-trip

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 5/8

5:35 am-10:47 am

1 stop4h 12m

Idaho Falls Fanning Field

Wed 5/13

6:54 pm-11:35 pm

1 stop5h 41m

$374

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 5/15

12:36 pm-1:17 pm

1 stop23h 41m

Idaho Falls Fanning Field

Mon 5/18

4:03 pm-9:45 pm

2 stops30h 42m

$376

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 5/3

9:19 pm-9:31 pm

2 stops23h 12m

Idaho Falls Fanning Field

Sun 5/10

5:46 pm-10:55 am

1 stop18h 09m

$378

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Thu 5/14

5:00 am-1:17 pm

1 stop7h 17m

Idaho Falls Fanning Field

Mon 5/18

1:54 pm-9:45 pm

2 stops32h 51m

$386

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 5/16

8:20 am-1:17 pm

1 stop3h 57m

Idaho Falls Fanning Field

Sat 5/16

4:03 pm-10:36 pm

2 stops7h 33m

$387

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 airline that flies from Idaho to Idaho Falls Fanning Field?

Allegiant Air, Alaska Airlines, and Delta are the most popular carriers operating from Idaho to Idaho Falls Fanning Field

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

Fastest flight time

4h 03m

Direct flights

None
The fastest flight from Idaho to Idaho Falls takes 4h 03m
There are no direct flights from Idaho to Idaho Falls. There are no popular flight routes from Idaho to Idaho Falls.
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Frequently asked questions about flying from Idaho to Idaho Falls

  • 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.

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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