Idaho

$48+ Cheap flights from Arizona to Idaho

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — BOI
Feb 28 — Mar 71
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Cheap flight deals from Arizona to Idaho

Cheapest flights from Arizona to Idaho
Explore the most affordable flight options available from Arizona to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:08 pm
LAS
-
GEG
Nonstop2h 24m
Allegiant Air
Sun 2/159:17 pm
GEG
-
LAS
Nonstop2h 21m
Allegiant Air
Deal found 1/27$88
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/272:35 pm
AZA
-
BOI
Nonstop2h 12m
Allegiant Air
Mon 3/25:37 pm
BOI
-
AZA
Nonstop2h 16m
Allegiant Air
Deal found 1/27$100
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:07 pm
LAS
-
GEG
Nonstop2h 24m
Allegiant Air
Sun 3/159:21 pm
GEG
-
LAS
Nonstop2h 17m
Allegiant Air
Deal found 1/28$106
This Mytrip deal was found by Cheapflights users on 1/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:05 pm
LAS
-
GEG
Nonstop2h 24m
Allegiant Air
Sun 3/159:21 pm
GEG
-
LAS
Nonstop2h 17m
Allegiant Air
Deal found 1/26$109
This Super.com deal was found by Cheapflights users on 1/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/132:38 pm
AZA
-
BOI
Nonstop2h 13m
Allegiant Air
Mon 2/165:41 pm
BOI
-
AZA
Nonstop2h 17m
Allegiant Air
Deal found 1/28$114
This Southwest deal was found by Cheapflights users on 1/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:15 pm
LAS
-
BOI
Nonstop1h 45m
Southwest
Sun 3/16:00 am
BOI
-
LAS
Nonstop1h 55m
Southwest
Deal found 1/27$117
This Gotogate deal was found by Cheapflights users on 1/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:07 pm
LAS
-
GEG
Nonstop2h 24m
Allegiant Air
Sun 3/229:21 pm
GEG
-
LAS
Nonstop2h 17m
Allegiant Air
Deal found 1/28$122
This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/125:30 am
LAS
-
GEG
1 stop5h 57m
Multiple Airlines
Sun 2/159:17 pm
GEG
-
LAS
Nonstop2h 21m
Multiple Airlines
Deal found 1/27$124
This Delta deal was found by Cheapflights users on 1/28. 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 3/181:55 pm
LAS
-
BOI
1 stop7h 09m
Delta
Sun 3/226:15 pm
BOI
-
LAS
1 stop6h 40m
Delta
Deal found 1/28$137
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:00 am
PHX
-
BOI
1 stop5h 51m
Frontier
Sun 3/111:56 am
BOI
-
PHX
1 stop9h 45m
Frontier
Deal found 1/27$147
This Delta deal was found by Cheapflights users on 1/29. 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 2/246:00 am
LAS
-
BOI
1 stop6h 11m
Delta
Sat 2/2812:59 pm
BOI
-
LAS
1 stop4h 06m
Delta
Deal found 1/29$147
This Booking.com deal was found by Cheapflights users on 1/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/272:01 pm
AZA
-
BOI
Nonstop2h 12m
Allegiant Air
Mon 3/306:03 pm
BOI
-
AZA
Nonstop2h 10m
Allegiant Air
Deal found 1/27$148

Find flight deals from Arizona to Idaho

Keep the following information in mind while searching for Arizona to Idaho flight deals. Data was last updated January 29, 2026.

Round-trip from

$88
(Kiwi.com)

One-way from

$48
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$196

Good round-trip deal

$122 or less

Good one-way deal

$62 or less
From Arizona to Idaho
One-way flight from Arizona to Idaho
Highest demand for flights based on searches. 5% potential increase in price ($14 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Arizona to Idaho.
Price to beat on a one-way flight from Arizona to Idaho.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Arizona 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Arizona to Idaho that are best for you.

Fly from

Arizona

Fly to

Idaho

Route

Depart

Return

Price

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 2/12

6:08 pm-8:32 pm

Nonstop2h 24m

Spokane

Sun 2/15

9:17 pm-11:38 pm

Nonstop2h 21m

$88

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 2/27

2:35 pm-4:47 pm

Nonstop2h 12m

Boise Air Term. Gowen Fld

Mon 3/2

5:37 pm-7:53 pm

Nonstop2h 16m

$100

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 2/13

2:38 pm-4:51 pm

Nonstop2h 13m

Boise Air Term. Gowen Fld

Mon 2/16

5:41 pm-7:58 pm

Nonstop2h 17m

$114

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Thu 2/26

10:15 pm-1:00 am

Nonstop1h 45m

Boise Air Term. Gowen Fld

Sun 3/1

6:00 am-6:55 am

Nonstop1h 55m

$117

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 3/19

6:07 pm-8:31 pm

Nonstop2h 24m

Spokane

Sun 3/22

9:21 pm-11:38 pm

Nonstop2h 17m

$122

Las VegasSpokane

LAS - GEG

LASGEG

Las Vegas Harry Reid Intl

Thu 2/12

5:30 am-11:27 am

1 stop5h 57m

Spokane

Sun 2/15

9:17 pm-11:38 pm

Nonstop2h 21m

$124

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Wed 3/25

6:00 am-1:05 pm

1 stop6h 05m

Boise Air Term. Gowen Fld

Mon 3/30

6:15 pm-11:55 pm

1 stop6h 40m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Fri 2/20

10:15 pm-1:00 am

Nonstop1h 45m

Boise Air Term. Gowen Fld

Sat 2/21

10:55 am-5:05 pm

1 stop7h 10m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Mon 3/2

8:50 pm-11:40 pm

Nonstop1h 50m

Boise Air Term. Gowen Fld

Sat 3/7

7:50 pm-8:35 pm

Nonstop1h 45m

$137

Las VegasBoise

LAS - BOI

LASBOI

Las Vegas Harry Reid Intl

Sun 3/1

7:29 pm-10:34 pm

Nonstop2h 05m

Boise Air Term. Gowen Fld

Sat 3/7

8:30 am-1:25 pm

1 stop5h 55m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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Best time to book a flight from Arizona to Idaho

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

What is the cheapest month to book a flight from Arizona to Idaho?

Currently, October is the cheapest month in which you can book a flight from Arizona to Idaho (average of $84). Flying from Arizona to Idaho in December is currently the most expensive (average of $165). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Arizona to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 38% on flights from Arizona to Idaho by exploring options for tickets at noon.

What is the cheapest day to fly from Arizona to Idaho?

Use this chart to determine the cheapest time to fly round-trip from Arizona to Idaho. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Arizona to Idaho flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Arizona to Idaho to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Arizona to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Arizona to Idaho?

    For as low as $117, Allegiant Air can have you in Idaho from Arizona in 1h 45m. Arizona and Idaho are separated by a distance of 520 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Arizona to Idaho one-way?

    $48 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on Southwest and Alaska Airlines, with prices starting from $78 and $78, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Arizona to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Arizona to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Arizona to Idaho (average of $84). Flying from Arizona to Idaho in December is currently the most expensive (average of $165). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Arizona to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Arizona to Idaho

Discover the top 7 airlines that operate flights from Arizona to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$50Average$146FlexibilityNo cancel feeOn-time88%
DeltaCheapest$81Average$408FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$136Average$197FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$141Average$331FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$147Average$341FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$155Average$405FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$247Average$445FlexibilityNo cancel feeOn-time69%

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