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Cheap flights from Utah to Idaho from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Utah to Idaho departing on 2/5. 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 Utah to Idaho

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:32 pm - 11:49 amSLC-BOI
17h 17m1 stop
Frontier Logo
12:44 pm - 9:27 amBOI-SLC
20h 43m1 stop
$138Frontier
Find Deal
jue., dic. 4 - dom., dic. 7
Multiple Airlines Logo
2:38 pm - 8:23 pmSLC-GEG
6h 45m1 stop
Multiple Airlines Logo
12:08 pm - 9:27 amGEG-SLC
20h 19m1 stop
$170Multiple Airlines
Find Deal
jue., dic. 4 - dom., dic. 7
Multiple Airlines Logo
10:25 pm - 3:04 pmSLC-BOI
16h 39m1 stop
Multiple Airlines Logo
9:46 pm - 1:05 pmBOI-SLC
15h 19m1 stop
$178Multiple Airlines
Find Deal
jue., ene. 1 - lun., ene. 5
Alaska Airlines Logo
8:43 pm - 3:26 pmSLC-BOI
18h 43m1 stop
Alaska Airlines Logo
6:03 am - 12:00 pmBOI-SLC
5h 57m1 stop
$185Alaska Airlines
Find Deal
vie., dic. 5 - dom., dic. 7
Alaska Airlines Logo
12:17 pm - 9:25 pmSLC-GEG
10h 08m1 stop
Alaska Airlines Logo
5:45 am - 11:17 amGEG-SLC
4h 32m1 stop
$185Alaska Airlines
Find Deal
vie., ene. 30 - dom., feb. 1
Delta Logo
9:15 pm - 10:21 pmSLC-IDA
1h 06mnonstop
Delta Logo
7:06 pm - 8:27 pmIDA-SLC
1h 21mnonstop
$199Delta
Find Deal
vie., dic. 12 - lun., dic. 15
Hawaiian Airlines Logo
12:54 pm - 9:45 pmSLC-BOI
8h 51m1 stop
Hawaiian Airlines Logo
8:55 am - 2:43 pmBOI-SLC
5h 48m1 stop
$205Hawaiian Airlines
Find Deal
mar., dic. 2 - mar., dic. 9
Delta Logo
10:45 pm - 8:56 pmSLC-GEG
23h 11m1 stop
Delta Logo
5:00 am - 8:29 amGEG-SLC
26h 29m1 stop
$215Delta
Find Deal
vie., dic. 12 - dom., ene. 4
United Airlines Logo
5:10 am - 9:58 amSGU-BOI
4h 48m1 stop
United Airlines Logo
5:17 pm - 10:58 pmBOI-SGU
5h 41m1 stop
$308United Airlines
Find Deal
jue., nov. 20 - lun., nov. 24
United Airlines Logo
5:10 am - 9:48 amSGU-IDA
4h 38m1 stop
United Airlines Logo
5:00 am - 10:07 amIDA-SGU
5h 07m1 stop
$331United Airlines
Find Deal
mar., nov. 18 - sáb., nov. 22

Alaska Airlines flights from Utah to Idaho

Our best Alaska Airlines deals on Utah to Idaho flight tickets
Alaska Airlines
Dec 5
SLC8:43 pmSalt Lake City
18h 43m
1 stop
BOI3:26 pmBoise Air Term. Gowen Fld
Dec 7
BOI6:03 amBoise Air Term. Gowen Fld
5h 57m
1 stop
SLC12:00 pmSalt Lake City
$185
Find similar
Alaska Airlines
Dec 5
SLC3:37 pmSalt Lake City
8h 13m
1 stop
BOI11:50 pmBoise Air Term. Gowen Fld
Dec 14
BOI6:03 amBoise Air Term. Gowen Fld
5h 57m
1 stop
SLC12:00 pmSalt Lake City
$203
Find similar
Alaska Airlines
Dec 3
SLC3:37 pmSalt Lake City
4h 28m
1 stop
GEG7:05 pmSpokane
Dec 10
GEG1:33 pmSpokane
21h 27m
1 stop
SLC12:00 pmSalt Lake City
$212
Find similar

Frontier flights from Utah to Idaho

Our best Frontier deals on Utah to Idaho flight tickets
Frontier
Dec 4
SLC6:32 pmSalt Lake City
17h 17m
1 stop
BOI11:49 amBoise Air Term. Gowen Fld
Dec 7
BOI12:44 pmBoise Air Term. Gowen Fld
20h 43m
1 stop
SLC9:27 amSalt Lake City
$138
Find similar
Frontier
Dec 3
SLC6:23 pmSalt Lake City
17h 50m
1 stop
GEG11:13 amSpokane
Dec 7
GEG12:08 pmSpokane
20h 19m
1 stop
SLC9:27 amSalt Lake City
$208
Find similar
Frontier
Dec 3
SLC10:39 amSalt Lake City
25h 34m
2 stops
GEG11:13 amSpokane
Dec 7
GEG12:08 pmSpokane
20h 19m
1 stop
SLC9:27 amSalt Lake City
$217
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Utah to Idaho 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 noviembre 5, 2025.
Use the filters below to find and compare flights from Utah to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

jue. 12/4

6:32 pm-11:49 am

1 stop17h 17m

Boise Air Term. Gowen Fld

dom. 12/7

12:44 pm-9:27 am

1 stop20h 43m

$138

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

jue. 12/4

2:38 pm-8:23 pm

1 stop6h 45m

Spokane

dom. 12/7

12:08 pm-9:27 am

1 stop20h 19m

$170

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

jue. 1/1

10:25 pm-3:04 pm

1 stop16h 39m

Boise Air Term. Gowen Fld

lun. 1/5

9:46 pm-1:05 pm

1 stop15h 19m

$178

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

vie. 12/5

8:43 pm-3:26 pm

1 stop18h 43m

Boise Air Term. Gowen Fld

dom. 12/7

6:03 am-12:00 pm

1 stop5h 57m

$185

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

vie. 1/30

12:17 pm-9:25 pm

1 stop10h 08m

Spokane

dom. 2/1

5:45 am-11:17 am

1 stop4h 32m

$185

Salt Lake CityIdaho Falls

SLC - IDA

SLCIDA

Salt Lake City

vie. 12/12

9:15 pm-10:21 pm

Nonstop1h 06m

Idaho Falls Fanning Field

lun. 12/15

7:06 pm-8:27 pm

Nonstop1h 21m

$199

Salt Lake CityBoise

SLC - BOI

SLCBOI

Salt Lake City

mar. 12/2

12:54 pm-9:45 pm

1 stop8h 51m

Boise Air Term. Gowen Fld

mar. 12/9

8:55 am-2:43 pm

1 stop5h 48m

$205

Salt Lake CitySpokane

SLC - GEG

SLCGEG

Salt Lake City

vie. 12/12

10:45 pm-8:56 pm

1 stop23h 11m

Spokane

dom. 1/4

5:00 am-8:29 am

1 stop26h 29m

$215

Saint GeorgeBoise

SGU - BOI

SGUBOI

Saint George

jue. 11/20

5:10 am-9:58 am

1 stop4h 48m

Boise Air Term. Gowen Fld

lun. 11/24

5:17 pm-10:58 pm

1 stop5h 41m

$308

Saint GeorgeIdaho Falls

SGU - IDA

SGUIDA

Saint George

mar. 11/18

5:10 am-9:48 am

1 stop4h 38m

Idaho Falls Fanning Field

sáb. 11/22

5:00 am-10:07 am

1 stop5h 07m

$331

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 from

How to get the cheapest flight ticket from Utah to Idaho

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 month to fly to Idaho?

In general, November is the cheapest month to fly from Utah to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you don’t want to visit Idaho in November, then you should wait until May to fly from Utah, when ticket prices are also cheap, with an average price of $319.

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

Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $329. On the other hand, Monday is the most expensive day to depart from Utah because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $479.

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

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Utah to Idaho at noon for as low as $132. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $379 per ticket.

What is the cheapest Utah to Idaho flight route?

Fly from Salt Lake City to Twin Falls Joslin for the best Utah - Idaho flight prices

What cabin class options are available on Utah to Idaho flights?

There are 4 cabin classes available to choose from on Utah to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Utah to Idaho flights?

You could potentially save up to 38% on your flight if you consider stops on a Utah to Idaho flight.

Cheap Utah to Idaho flight deals and tips

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

Best Price Found

$348

Fastest flight time

1h 02m

Direct flights

Every day

Airports in Idaho

6 airports
The best one-way flight to Idaho from Utah in the past 72 hours is $348. The best round-trip flight deal from Utah to Idaho found on momondo in the last 72 hours is $299.
The fastest flight from Utah to Idaho takes 1h 02m
Direct flights go from Utah to Idaho every day.
There are 6 airports near Idaho: Idaho Falls Fanning Field (IDA), Spokane (GEG), Lewiston Nez Perce Rgnl (LWS), Jackson Hole (JAC), Boise Air Term. Gowen Fld (BOI), Hailey Sun Valley-Friedman (SUN)
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  • When did momondo last update prices for flights from Utah to Idaho?

    Prices for flights from Utah to Idaho were last updated today.

  • How many operators does momondo search for flights from Utah to Idaho?

  • How old do you have to be to fly from Utah to Idaho?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Utah to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Utah to Idaho?

Best airlines flying from Utah to Idaho

Compare and see reviews for airlines that fly from Utah to Idaho with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $173Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $223Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Utah to Idaho. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Idaho from Utah with this policy.

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

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 from Utah.

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

Yes. momondo can track prices for Utah to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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vie. 12/5
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