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Cheap flights from Idaho to Idaho Falls from $198

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 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Allegiant Air Logo
9:14 pm - 4:05 pm
GEG
-
IDA
17h 51m
1 stop
Allegiant Air Logo
7:54 pm - 10:05 am
IDA
-
GEG
15h 11m
1 stop
$361Allegiant Air
Thu, Aug 13 - Thu, Aug 27
Allegiant Air Logo
10:09 am - 8:54 am
GEG
-
IDA
21h 45m
1 stop
Allegiant Air Logo
12:44 pm - 5:40 pm
IDA
-
GEG
5h 56m
1 stop
$374Allegiant Air
Thu, Sep 3 - Mon, Sep 7
Delta Logo
5:10 pm - 10:31 pm
GEG
-
IDA
4h 21m
1 stop
Delta Logo
6:00 am - 9:07 am
IDA
-
GEG
4h 07m
1 stop
$395Delta
Sat, Jun 27 - Sat, Jul 4
Multiple Airlines Logo
9:14 pm - 10:04 pm
GEG
-
IDA
23h 50m
2 stops
Multiple Airlines Logo
7:54 pm - 10:05 am
IDA
-
GEG
15h 11m
1 stop
$413Multiple Airlines
Thu, Aug 13 - Thu, Aug 27
Delta Logo
5:10 pm - 10:32 pm
GEG
-
IDA
4h 22m
1 stop
Delta Logo
6:00 am - 8:52 am
IDA
-
GEG
3h 52m
1 stop
$427Delta
Fri, Jul 17 - Sun, Jul 19
Alaska Airlines Logo
12:49 pm - 1:24 pm
GEG
-
IDA
23h 35m
1 stop
Alaska Airlines Logo
6:18 am - 11:01 am
IDA
-
GEG
5h 43m
1 stop
$439Alaska Airlines
Sun, Aug 23 - Sun, Aug 30
Allegiant Air Logo
12:44 pm - 3:18 pm
GEG
-
IDA
25h 34m
2 stops
Allegiant Air Logo
12:44 pm - 5:40 pm
IDA
-
GEG
5h 56m
1 stop
$453Allegiant Air
Thu, Sep 3 - Mon, Sep 7
Alaska Airlines Logo
7:03 am - 1:24 pm
GEG
-
IDA
29h 21m
2 stops
Alaska Airlines Logo
6:18 am - 11:01 am
IDA
-
GEG
5h 43m
1 stop
$462Alaska Airlines
Sun, Aug 23 - Sun, Aug 30
Alaska Airlines Logo
8:33 pm - 10:56 pm
GEG
-
IDA
25h 23m
1 stop
Alaska Airlines Logo
6:18 am - 11:01 am
IDA
-
GEG
5h 43m
1 stop
$464Alaska Airlines
Sun, Aug 23 - Sun, Aug 30
Delta Logo
1:30 pm - 6:18 pm
GEG
-
IDA
3h 48m
1 stop
Delta Logo
3:22 pm - 6:13 pm
IDA
-
GEG
3h 51m
1 stop
$487Delta
Fri, Jul 10 - Sun, Jul 12

Alaska Airlines flights from Idaho to Idaho Falls

Our best Alaska Airlines deals on Idaho to Idaho Falls flight tickets
Alaska Airlines
Aug 23
GEG12:49 pmSpokane
23h 35m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
Aug 30
IDA6:18 amIdaho Falls Fanning Field
5h 43m
1 stop
GEG11:01 amSpokane
$439
Alaska Airlines
Aug 23
GEG7:03 amSpokane
29h 21m
2 stops
IDA1:24 pmIdaho Falls Fanning Field
Aug 30
IDA6:18 amIdaho Falls Fanning Field
5h 43m
1 stop
GEG11:01 amSpokane
$462
Alaska Airlines
Aug 23
GEG8:33 pmSpokane
25h 23m
1 stop
IDA10:56 pmIdaho Falls Fanning Field
Aug 30
IDA6:18 amIdaho Falls Fanning Field
5h 43m
1 stop
GEG11:01 amSpokane
$464

Allegiant Air flights from Idaho to Idaho Falls

Our best Allegiant Air deals on Idaho to Idaho Falls flight tickets
Allegiant Air
Aug 13
GEG9:14 pmSpokane
17h 51m
1 stop
IDA4:05 pmIdaho Falls Fanning Field
Aug 27
IDA7:54 pmIdaho Falls Fanning Field
15h 11m
1 stop
GEG10:05 amSpokane
$361
Allegiant Air
Sep 3
GEG10:09 amSpokane
21h 45m
1 stop
IDA8:54 amIdaho Falls Fanning Field
Sep 7
IDA12:44 pmIdaho Falls Fanning Field
5h 56m
1 stop
GEG5:40 pmSpokane
$374
Allegiant Air
Sep 3
GEG12:44 pmSpokane
25h 34m
2 stops
IDA3:18 pmIdaho Falls Fanning Field
Sep 7
IDA12:44 pmIdaho Falls Fanning Field
5h 56m
1 stop
GEG5:40 pmSpokane
$453

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 May 27, 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

Thu 8/13

9:14 pm-4:05 pm

1 stop17h 51m

Idaho Falls Fanning Field

Thu 8/27

7:54 pm-10:05 am

1 stop15h 11m

$361

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Thu 9/3

10:09 am-8:54 am

1 stop21h 45m

Idaho Falls Fanning Field

Mon 9/7

12:44 pm-5:40 pm

1 stop5h 56m

$374

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sat 6/27

5:10 pm-10:31 pm

1 stop4h 21m

Idaho Falls Fanning Field

Sat 7/4

6:00 am-9:07 am

1 stop4h 07m

$395

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Thu 8/13

9:14 pm-10:04 pm

2 stops23h 50m

Idaho Falls Fanning Field

Thu 8/27

7:54 pm-10:05 am

1 stop15h 11m

$413

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 7/17

5:10 pm-10:32 pm

1 stop4h 22m

Idaho Falls Fanning Field

Sun 7/19

6:00 am-8:52 am

1 stop3h 52m

$427

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 8/23

12:49 pm-1:24 pm

1 stop23h 35m

Idaho Falls Fanning Field

Sun 8/30

6:18 am-11:01 am

1 stop5h 43m

$439

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Thu 9/3

12:44 pm-3:18 pm

2 stops25h 34m

Idaho Falls Fanning Field

Mon 9/7

12:44 pm-5:40 pm

1 stop5h 56m

$453

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 8/23

7:03 am-1:24 pm

2 stops29h 21m

Idaho Falls Fanning Field

Sun 8/30

6:18 am-11:01 am

1 stop5h 43m

$462

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Sun 8/23

8:33 pm-10:56 pm

1 stop25h 23m

Idaho Falls Fanning Field

Sun 8/30

6:18 am-11:01 am

1 stop5h 43m

$464
Quickest round-trip

SpokaneIdaho Falls

GEG - IDA

GEGIDA

Spokane

Fri 7/10

1:30 pm-6:18 pm

1 stop3h 48m

Idaho Falls Fanning Field

Sun 7/12

3:22 pm-6:13 pm

1 stop3h 51m

$487

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?

Delta, Allegiant Air, and Alaska Airlines 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

3h 44m

Direct flights

None
The fastest flight from Idaho to Idaho Falls takes 3h 44m
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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