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 June 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.

$74 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

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 12:41 pm

AZA

BOI

2h 11mnonstop

3:05 pm - 5:12 pm

BOI

AZA

2h 07mnonstop

$269Allegiant Air

Wed, Nov 25 - Sat, Nov 28

10:30 am - 12:41 pm

AZA

BOI

2h 11mnonstop

6:05 pm - 11:37 pm

BOI

AZA

5h 32m

1 stop

$451Allegiant Air

Wed, Nov 25 - Sat, Nov 28

6:50 pm - 2:17 pm

AZA

BOI

42h 27m

2 stops

3:07 pm - 7:29 pm

BOI

AZA

5h 22m

1 stop

$482Multiple Airlines

Tue, Jul 7 - Thu, Jul 30

9:15 am - 12:29 pm

AZA

BOI

50h 14m

2 stops

3:07 pm - 7:29 pm

BOI

AZA

5h 22m

1 stop

$514Multiple Airlines

Sun, Jul 12 - Sun, Jul 19

3:07 pm - 12:30 pm

AZA

BOI

44h 23m

2 stops

3:07 pm - 7:29 pm

BOI

AZA

5h 22m

1 stop

$648Multiple Airlines

Sun, Jun 28 - Sun, Jul 19

3:50 pm - 2:17 pm

AZA

BOI

21h 27m

2 stops

3:07 pm - 7:29 pm

BOI

AZA

5h 22m

1 stop

$1,049Multiple Airlines

Wed, Jul 1 - Thu, Jul 9

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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

Nov 25

AZA10:30 amPhoenix-Mesa Gateway

2h 11m

BOI12:41 pmBoise Air Term. Gowen Fld

Nov 28

BOI3:05 pmBoise Air Term. Gowen Fld

2h 07m

AZA5:12 pmPhoenix-Mesa Gateway

$269

Allegiant Air

Nov 25

AZA10:30 amPhoenix-Mesa Gateway

2h 11m

BOI12:41 pmBoise Air Term. Gowen Fld

Nov 28

BOI6:05 pmBoise Air Term. Gowen Fld

5h 32m

1 stop

AZA11:37 pmPhoenix-Mesa Gateway

$451

Allegiant Air

Jun 25

AZA7:49 pmPhoenix-Mesa Gateway

40h 43m

2 stops

BOI1:32 pmBoise Air Term. Gowen Fld

Jul 9

BOI3:07 pmBoise Air Term. Gowen Fld

5h 22m

1 stop

AZA7:29 pmPhoenix-Mesa Gateway

$762

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

Quickest round-trip

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 11/25

10:30 am-12:41 pm

Nonstop2h 11m

Boise Air Term. Gowen Fld

Sat 11/28

3:05 pm-5:12 pm

Nonstop2h 07m

$269

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 11/25

10:30 am-12:41 pm

Nonstop2h 11m

Boise Air Term. Gowen Fld

Sat 11/28

6:05 pm-11:37 pm

1 stop5h 32m

$451

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Tue 7/7

6:50 pm-2:17 pm

2 stops42h 27m

Boise Air Term. Gowen Fld

Thu 7/30

3:07 pm-7:29 pm

1 stop5h 22m

$482

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 7/12

9:15 am-12:29 pm

2 stops50h 14m

Boise Air Term. Gowen Fld

Sun 7/19

3:07 pm-7:29 pm

1 stop5h 22m

$514

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 6/28

3:07 pm-12:30 pm

2 stops44h 23m

Boise Air Term. Gowen Fld

Sun 7/19

3:07 pm-7:29 pm

1 stop5h 22m

$648

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 7/1

3:50 pm-2:17 pm

2 stops21h 27m

Boise Air Term. Gowen Fld

Thu 7/9

3:07 pm-7:29 pm

1 stop5h 22m

$1,049

Cheapest one-way

Quickest one-way

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Fri 11/20

8:50 am-11:01 am

Nonstop2h 11m

$74

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 11/25

10:30 am-12:41 pm

Nonstop2h 11m

$141

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Sun 8/23

8:20 am-4:28 pm

1 stop7h 08m

$155

PhoenixBoise

AZA - BOI

AZABOI

Phoenix-Mesa Gateway

Wed 8/19

11:28 am-4:23 pm

2 stops27h 55m

$223

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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, August 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 $110. If you don’t want to visit Idaho in August, then you should wait until February to fly from Phoenix-Mesa Gateway Airport, when ticket prices are also cheap, with an average price of $115.

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 $93. 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 in the afternoon. momondo users have found flights departing from Phoenix-Mesa Gateway Airport to Idaho in the afternoon for as low as $110. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $186 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	$194
Fastest flight time	2h 11m
Direct flights	Thu and Sat
Airports in Idaho	27 airports

The best flight deal from Phoenix-Mesa Gateway Airport to Idaho found on momondo in the last 72 hours is $194

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

Direct flights go from Phoenix-Mesa Gateway Airport to Idaho on Thursday and Saturday. 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).

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 June 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 62.00% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 8.00%, Embraer 175 at 6.00%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 6.00%.

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 7.3 694 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.