Cheap flights from Phoenix-Mesa Gateway Airport to Idaho from $62

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
7:00 am - 9:20 am
AZA
-
BOI
2h 20mnonstop
Allegiant Air Logo
10:10 am - 12:26 pm
BOI
-
AZA
2h 16mnonstop
$127Allegiant Air
Fri, Jan 16 - Mon, Jan 19
Allegiant Air Logo
12:18 pm - 2:30 pm
AZA
-
BOI
2h 12mnonstop
Allegiant Air Logo
3:36 pm - 5:46 pm
BOI
-
AZA
2h 10mnonstop
$215Allegiant Air
Tue, Dec 30 - Sat, Jan 3
Allegiant Air Logo
10:00 am - 4:23 pm
AZA
-
BOI
5h 23m1 stop
Allegiant Air Logo
5:54 pm - 7:03 pm
BOI
-
AZA
2h 09mnonstop
$259Allegiant Air
Thu, Apr 2 - Mon, Apr 6
Multiple Airlines Logo
2:12 pm - 11:43 am
AZA
-
BOI
21h 31m2 stops
Multiple Airlines Logo
3:36 pm - 5:46 pm
BOI
-
AZA
2h 10mnonstop
$435Multiple Airlines
Wed, Dec 31 - Sat, Jan 3
Multiple Airlines Logo
6:40 am - 11:43 am
AZA
-
BOI
29h 03m3 stops
Multiple Airlines Logo
3:36 pm - 5:46 pm
BOI
-
AZA
2h 10mnonstop
$529Multiple Airlines
Wed, Dec 31 - Sat, Jan 3
Multiple Airlines Logo
10:05 pm - 12:52 pm
AZA
-
BOI
14h 47m2 stops
Multiple Airlines Logo
3:36 pm - 5:46 pm
BOI
-
AZA
2h 10mnonstop
$581Multiple Airlines
Tue, Dec 30 - Sat, Jan 3

Allegiant Air flights from Phoenix-Mesa Gateway Airport to Idaho

Our best Allegiant Air deals on Phoenix-Mesa Gateway Airport to Idaho flight tickets
Allegiant Air
Jan 16
AZA7:00 amPhoenix-Mesa Gateway
2h 20m
BOI9:20 amBoise Air Term. Gowen Fld
Jan 19
BOI10:10 amBoise Air Term. Gowen Fld
2h 16m
AZA12:26 pmPhoenix-Mesa Gateway
Allegiant Air
Dec 30
AZA12:18 pmPhoenix-Mesa Gateway
2h 12m
BOI2:30 pmBoise Air Term. Gowen Fld
Jan 3
BOI3:36 pmBoise Air Term. Gowen Fld
2h 10m
AZA5:46 pmPhoenix-Mesa Gateway
Allegiant Air
Apr 2
AZA10:00 amPhoenix-Mesa Gateway
5h 23m
1 stop
BOI4:23 pmBoise Air Term. Gowen Fld
Apr 6
BOI5:54 pmBoise Air Term. Gowen Fld
2h 09m
AZA7:03 pmPhoenix-Mesa Gateway

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix-Mesa Gateway Airport 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 December 18, 2025.
Use the filters below to find and compare flights from Phoenix-Mesa Gateway Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 1/16

7:00 am-9:20 am

Nonstop2h 20m

Boise Air Term. Gowen Fld

Mon 1/19

10:10 am-12:26 pm

Nonstop2h 16m

$127

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Tue 12/30

12:18 pm-2:30 pm

Nonstop2h 12m

Boise Air Term. Gowen Fld

Sat 1/3

3:36 pm-5:46 pm

Nonstop2h 10m

$215

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 4/2

10:00 am-4:23 pm

1 stop5h 23m

Boise Air Term. Gowen Fld

Mon 4/6

5:54 pm-7:03 pm

Nonstop2h 09m

$259

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 12/31

2:12 pm-11:43 am

2 stops21h 31m

Boise Air Term. Gowen Fld

Sat 1/3

3:36 pm-5:46 pm

Nonstop2h 10m

$435

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 12/31

6:40 am-11:43 am

3 stops29h 03m

Boise Air Term. Gowen Fld

Sat 1/3

3:36 pm-5:46 pm

Nonstop2h 10m

$529

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Tue 12/30

10:05 pm-12:52 pm

2 stops14h 47m

Boise Air Term. Gowen Fld

Sat 1/3

3:36 pm-5:46 pm

Nonstop2h 10m

$581

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 2/2

7:00 am-9:20 am

Nonstop2h 20m

$62

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 2/9

7:00 am-9:20 am

Nonstop2h 20m

$66

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 1/19

7:00 am-9:20 am

Nonstop2h 20m

$84

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Tue 12/23

12:18 pm-2:30 pm

Nonstop2h 12m

$92

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Idaho from

How to get the cheapest flight ticket from Phoenix-Mesa Gateway Airport 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 day to depart on your flight to Idaho?

Our data shows that Friday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $118. On the other hand, Monday is the most expensive day to depart from Phoenix-Mesa Gateway Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $145.

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 in the afternoon. momondo users have found flights departing from Phoenix-Mesa Gateway Airport to Idaho in the afternoon 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 morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $145 per ticket.

What is the cheapest Phoenix-Mesa Gateway to Idaho flight route?

Fly from Phoenix-Mesa Gateway to Idaho Falls Fanning Field for the best Phoenix-Mesa Gateway - Idaho flight prices

What cabin class options are available on Phoenix-Mesa Gateway to Idaho flights?

There is only 1 cabin class available to choose from on Phoenix-Mesa Gateway to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Phoenix-Mesa Gateway Airport to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix-Mesa Gateway Airport to Idaho

Fastest flight time

2h 12m

Direct flights

Tue, Wed, Sat and Sun

Airports in Idaho

27 airports
The fastest flight from Phoenix-Mesa Gateway Airport to Idaho takes 2h 12m
Direct flights go from Phoenix-Mesa Gateway Airport to Idaho on Tuesday, Wednesday, Saturday and Sunday. There are no airlines offering direct flights.
There are 27 airports in Idaho. From Phoenix-Mesa Gateway Airport there are direct flights to Boise Air Term. Gowen Fld (BOI).
  • When did momondo last update prices for flights from Phoenix-Mesa Gateway Airport to Idaho?

    Prices for flights from Phoenix-Mesa Gateway Airport to Idaho were last updated today.

  • How many operators does momondo search for flights from Phoenix-Mesa Gateway Airport to Idaho?

  • How old do you have to be to fly from Phoenix-Mesa Gateway Airport to Idaho?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Phoenix-Mesa Gateway Airport to Idaho.

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

    The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Phoenix-Mesa Gateway Airport to Idaho?

Best airlines flying from Phoenix-Mesa Gateway Airport to Idaho

Compare and see reviews for airlines that fly from Phoenix-Mesa Gateway Airport to Idaho with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $82Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho from Phoenix.

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

Flights from Phoenix to Idaho with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Phoenix to Idaho flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from Phoenix and alert you when they change.

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1 adult
Sat 1/17
Sat 1/24

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