What is the cheapest airline that flies from Phoenix-Mesa Gateway to Idaho?

Allegiant Air is the most popular carrier operating from Phoenix-Mesa Gateway to Idaho

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?

There is 1 operator available for flights from Phoenix-Mesa Gateway Airport to Idaho as of August 2026.

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.

$57 Cheap Flights from Phoenix-Mesa Gateway Airport to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Phoenix-Mesa Gateway Airport to Idaho

Round-trip

One-way

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:31 am - 2:57 pm-

30h 26m

1:30 pm - 2:35 pm-

2h 05mnonstop

$258Multiple Airlines

Sun, Oct 11 - Fri, Oct 16

12:14 pm - 3:47 pm-

26h 33m

1:30 pm - 2:35 pm-

2h 05mnonstop

$281Allegiant Air

Sun, Oct 11 - Fri, Oct 16

8:50 am - 11:01 am-

2h 11mnonstop

5:32 pm - 11:37 pm-

6h 05m

$350Allegiant Air

Mon, Nov 23 - Tue, Nov 24

8:20 am - 4:28 pm-

7h 08m

2:50 pm - 7:37 pm-

29h 47m

$351Multiple Airlines

Thu, Sep 3 - Thu, Sep 10

9:30 am - 5:58 pm-

8h 28m

7:18 pm - 9:31 pm-

2h 13mnonstop

$355Multiple Airlines

Mon, Nov 23 - Mon, Dec 7

6:00 am - 8:14 am-

2h 14mnonstop

6:36 pm - 11:26 pm-

4h 50m

$359Allegiant Air

Fri, Dec 18 - Sun, Dec 20

8:20 am - 2:48 pm-

5h 28m

2:50 pm - 8:25 pm-

30h 35m

$410Multiple Airlines

Thu, Sep 10 - Sun, Sep 13

8:50 am - 11:01 am-

2h 11mnonstop

3:05 pm - 5:12 pm-

2h 07mnonstop

$421Allegiant Air

Mon, Nov 23 - Sat, Nov 28

8:10 am - 2:57 pm-

29h 47m

1:30 pm - 2:35 pm-

2h 05mnonstop

$436Multiple Airlines

Sun, Oct 11 - Fri, Oct 16

6:15 pm - 8:29 pm-

2h 14mnonstop

6:36 pm - 11:26 pm-

4h 50m

$453Allegiant Air

Wed, Dec 23 - Sun, Dec 27

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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

Oct 11

AZA12:14 pmPhoenix-Mesa Gateway

26h 33m

1 stop

BOI3:47 pmBoise Air Term. Gowen Fld

Oct 16

BOI1:30 pmBoise Air Term. Gowen Fld

2h 05m

AZA2:35 pmPhoenix-Mesa Gateway

$281

Allegiant Air

Nov 23

AZA8:50 amPhoenix-Mesa Gateway

2h 11m

BOI11:01 amBoise Air Term. Gowen Fld

Nov 24

BOI5:32 pmBoise Air Term. Gowen Fld

6h 05m

1 stop

AZA11:37 pmPhoenix-Mesa Gateway

$350

Allegiant Air

Dec 18

AZA6:00 amPhoenix-Mesa Gateway

2h 14m

BOI8:14 amBoise Air Term. Gowen Fld

Dec 20

BOI6:36 pmBoise Air Term. Gowen Fld

4h 50m

1 stop

AZA11:26 pmPhoenix-Mesa Gateway

$359

momondo Fare Finder

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

Cheapest round-trip

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 10/11

7:31 am-2:57 pm

2 stops30h 26m

Boise Air Term. Gowen Fld

Fri 10/16

1:30 pm-2:35 pm

Nonstop2h 05m

$258

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 10/11

12:14 pm-3:47 pm

1 stop26h 33m

Boise Air Term. Gowen Fld

Fri 10/16

1:30 pm-2:35 pm

Nonstop2h 05m

$281

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 11/23

8:50 am-11:01 am

Nonstop2h 11m

Boise Air Term. Gowen Fld

Tue 11/24

5:32 pm-11:37 pm

1 stop6h 05m

$350

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 9/3

8:20 am-4:28 pm

1 stop7h 08m

Boise Air Term. Gowen Fld

Thu 9/10

2:50 pm-7:37 pm

2 stops29h 47m

$351

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 11/23

9:30 am-5:58 pm

2 stops8h 28m

Boise Air Term. Gowen Fld

Mon 12/7

7:18 pm-9:31 pm

Nonstop2h 13m

$355

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 12/18

6:00 am-8:14 am

Nonstop2h 14m

Boise Air Term. Gowen Fld

Sun 12/20

6:36 pm-11:26 pm

1 stop4h 50m

$359

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Thu 9/10

8:20 am-2:48 pm

1 stop5h 28m

Boise Air Term. Gowen Fld

Sun 9/13

2:50 pm-8:25 pm

2 stops30h 35m

$410

Quickest round-trip

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Mon 11/23

8:50 am-11:01 am

Nonstop2h 11m

Boise Air Term. Gowen Fld

Sat 11/28

3:05 pm-5:12 pm

Nonstop2h 07m

$421

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 10/11

8:10 am-2:57 pm

3 stops29h 47m

Boise Air Term. Gowen Fld

Fri 10/16

1:30 pm-2:35 pm

Nonstop2h 05m

$436

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 12/23

6:15 pm-8:29 pm

Nonstop2h 14m

Boise Air Term. Gowen Fld

Sun 12/27

6:36 pm-11:26 pm

1 stop4h 50m

$453

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, January is the cheapest month to fly from Phoenix-Mesa Gateway Airport to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $156. If you don’t want to visit Idaho in January, then you should wait until September to fly from Phoenix-Mesa Gateway Airport, when ticket prices are also cheap, with an average price of $186.

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 $103. 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 $186.

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 Phoenix-Mesa Gateway Airport to Idaho at noon for as low as $186. 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 $264 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 Airport to Idaho flights?

There is only 1 cabin class available to choose from on Phoenix-Mesa Gateway Airport 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

Best Price Found	$74
Fastest flight time	2h 11m
Direct flights	Tue
Airports in Idaho	27 airports

The best one-way flight to Idaho from Phoenix-Mesa Gateway Airport in the past 72 hours is $74. The best round-trip flight deal from Phoenix-Mesa Gateway Airport to Idaho found on momondo in the last 72 hours is $252.

The fastest flight from Phoenix-Mesa Gateway Airport to Idaho takes 2h 11m

Direct flights go from Phoenix-Mesa Gateway Airport to Idaho on Tuesday. The only airline offering direct flights is Allegiant Air.

There are 27 airports in Idaho. From Phoenix-Mesa Gateway Airport there are direct flights to Boise Air Term. Gowen Fld (BOI).

Search flight deals

Frequently asked questions about flying from Phoenix-Mesa Gateway Airport to Idaho

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?
There is 1 operator available for flights from Phoenix-Mesa Gateway Airport to Idaho as of August 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Phoenix-Mesa Gateway Airport to Idaho is Airbus A320-100/200, representing 70.37% of all bookings. The subsequent popular models are Embraer 175 at 5.56%, Boeing 737-800 Passenger/BBJ2 (winglets) at 5.56%, and Canadair (Bombardier) Regional Jet 700 at 5.56%.

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 Air	PriceFrom $82	Free Cancellation	Rating 7.3 680 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.