AZA - IDA

$96 Find Cheap Flights from Phoenix-Mesa Gateway to Idaho Falls - Compare and Save

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Everything you should know

Cheapest round-trip
$104
Typical prices: $186-$291
Allegiant Air
Mon 10/29Fri 11/2
AZA - IDA • Non-stop
Cheapest one-way
$96
Typical prices: $88-$192
Allegiant Air
Tue 10/9
AZA - IDA • Non-stop
Nonstop flights
4 days a week
You can fly direct with Allegiant Air. Average duration is 2h 02m
Direct flights
+1
Direct flights
+1
When to travel
January
Cheapest • 26% price drop
July
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Idaho Falls!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Phoenix-Mesa Gateway to Idaho Falls (AZA-IDA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Phoenix-Mesa Gateway to Idaho Falls

Thu, Oct 29 - Mon, Nov 2
Allegiant Air Logo
6:10 am - 9:12 amAZA  Phoenix-Mesa Gateway-IDA Idaho Falls Fanning Field
2h 02mnonstop
Allegiant Air Logo
6:30 pm - 8:31 pmIDA  Idaho Falls Fanning Field-AZA Phoenix-Mesa Gateway
2h 01mnonstop
$104Allegiant Air
Fri, Nov 13 - Mon, Nov 16
Allegiant Air Logo
6:00 am - 8:02 amAZA  Phoenix-Mesa Gateway-IDA Idaho Falls Fanning Field
2h 02mnonstop
Allegiant Air Logo
12:43 pm - 2:45 pmIDA  Idaho Falls Fanning Field-AZA Phoenix-Mesa Gateway
2h 02mnonstop
$117Allegiant Air
Fri, Nov 13 - Mon, Nov 16
Allegiant Air Logo
6:00 am - 8:02 amAZA  Phoenix-Mesa Gateway-IDA Idaho Falls Fanning Field
2h 02mnonstop
Allegiant Air Logo
12:43 pm - 2:45 pmIDA  Idaho Falls Fanning Field-AZA Phoenix-Mesa Gateway
2h 02mnonstop
$118Allegiant Air
Fri, Oct 30 - Sun, Nov 1
Allegiant Air Logo
6:00 am - 9:02 amAZA  Phoenix-Mesa Gateway-IDA Idaho Falls Fanning Field
2h 02mnonstop
Allegiant Air Logo
9:02 am - 11:03 amIDA  Idaho Falls Fanning Field-AZA Phoenix-Mesa Gateway
2h 01mnonstop
$132Allegiant Air
Thu, Oct 22 - Mon, Oct 26
Allegiant Air Logo
6:10 am - 9:12 amAZA  Phoenix-Mesa Gateway-IDA Idaho Falls Fanning Field
2h 02mnonstop
Allegiant Air Logo
6:30 pm - 7:31 pmIDA  Idaho Falls Fanning Field-AZA Phoenix-Mesa Gateway
2h 01mnonstop
$146Allegiant Air
Fri, Feb 5 - Mon, Feb 8
Allegiant Air Logo
8:00 am - 10:11 amAZA  Phoenix-Mesa Gateway-IDA Idaho Falls Fanning Field
2h 11mnonstop
Allegiant Air Logo
11:01 am - 1:12 pmIDA  Idaho Falls Fanning Field-AZA Phoenix-Mesa Gateway
2h 11mnonstop
$153Allegiant Air
Fri, Feb 5 - Sun, Feb 7
Allegiant Air Logo
8:00 am - 10:11 amAZA  Phoenix-Mesa Gateway-IDA Idaho Falls Fanning Field
2h 11mnonstop
Allegiant Air Logo
9:01 am - 11:12 amIDA  Idaho Falls Fanning Field-AZA Phoenix-Mesa Gateway
2h 11mnonstop
$154Allegiant Air
Sun, Feb 7 - Mon, Feb 8
Allegiant Air Logo
6:00 am - 8:11 amAZA  Phoenix-Mesa Gateway-IDA Idaho Falls Fanning Field
2h 11mnonstop
Allegiant Air Logo
11:01 am - 1:12 pmIDA  Idaho Falls Fanning Field-AZA Phoenix-Mesa Gateway
2h 11mnonstop
$163Allegiant Air
Thu, Oct 22 - Mon, Oct 26
Multiple Airlines Logo
6:10 am - 9:12 amAZA  Phoenix-Mesa Gateway-IDA Idaho Falls Fanning Field
2h 02mnonstop
Multiple Airlines Logo
7:30 pm - 1:54 pmIDA  Idaho Falls Fanning Field-AZA Phoenix-Mesa Gateway
19h 24m2 stops Las Vegas Harry Reid Intl Provo
$268Multiple Airlines
Mon, Oct 19 - Mon, Oct 26
Multiple Airlines Logo
2:38 pm - 5:40 pmAZA  Phoenix-Mesa Gateway-IDA Idaho Falls Fanning Field
2h 02mnonstop
Multiple Airlines Logo
7:30 pm - 1:54 pmIDA  Idaho Falls Fanning Field-AZA Phoenix-Mesa Gateway
19h 24m2 stops Las Vegas Harry Reid Intl Provo
$327Multiple Airlines
Booking Insights

Price, demand and travel trends for Phoenix-Mesa Gateway Airport to Idaho Falls flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Phoenix-Mesa Gateway Airport to Idaho Falls with more confidence.

How much is a round-trip flight from Phoenix-Mesa Gateway Airport to Idaho Falls?

Round-trip flights from Phoenix-Mesa Gateway Airport to Idaho Falls start at $104. Prices are below average for this route right now, with typical round-trip fares ranging from $186 to $291. The lowest price found in the past 5 days was $104 on Allegiant Air.

What's the cheapest day of the week to fly from Phoenix-Mesa Gateway Airport to Idaho Falls?

Friday is the cheapest day of the week to fly from Phoenix-Mesa Gateway Airport to Idaho Falls, it is 11% cheaper than the average day. Tuesday is the most expensive day with flight prices 90% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Phoenix-Mesa Gateway Airport to Idaho Falls?

•January is the cheapest month to fly from Phoenix-Mesa Gateway Airport to Idaho Falls at $156 round-trip.
•April ($377) and July ($291) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 141% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Phoenix-Mesa Gateway Airport to Idaho Falls flights

Low season

November

Cheapest flight

$96
Most popular time to fly with an average 39% increase in price.
Flight from Phoenix-Mesa Gateway Airport to Idaho Falls

When to book flights from Phoenix-Mesa Gateway to Idaho Falls

Are your dates flexible? Find out the best times to travel from Phoenix-Mesa Gateway to Idaho Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Phoenix-Mesa Gateway Airport to Idaho Falls flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What airlines are available from Phoenix-Mesa Gateway Airport to Idaho Falls?

    Only Allegiant Air operates flights between Phoenix-Mesa Gateway Airport and Idaho Falls.

  • Which airports can I use when flying from Phoenix-Mesa Gateway Airport to Idaho Falls?

    Flights from Phoenix-Mesa Gateway Airport to Idaho Falls usually depart from Phoenix-Mesa Gateway (AZA) and arrive at Idaho Falls Fanning Field (IDA).

  • What cabin classes can I book on flights from Phoenix-Mesa Gateway Airport to Idaho Falls?

    Only Economy Class is available on flights from Phoenix-Mesa Gateway Airport to Idaho Falls.

  • What is the standard checked-bag allowance on flights from Phoenix-Mesa Gateway Airport to Idaho Falls?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Phoenix-Mesa Gateway Airport to Idaho Falls?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by Allegiant Air and American Airlines. Other aircraft seen on the route include Airbus A321-100/200 variants.

  • Can I save money by using flexible dates for flights from Phoenix-Mesa Gateway Airport to Idaho Falls?

    Yes. Being flexible with your travel dates can save you up to 54% on the Phoenix-Mesa Gateway Airport to Idaho Falls route. Friday is the cheapest departure day at $188 round-trip on average, while Tuesday is the most expensive at $401, a difference of $213. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What are the earliest and latest flights from Phoenix-Mesa Gateway Airport to Idaho Falls?

    These are the earliest and latest flight times available from Phoenix-Mesa Gateway Airport to Idaho Falls:

    • Earliest: departs at 6:00 am and lands at 8:02 am
    • Latest: departs at 4:34 pm and lands at 6:36 pm.

    The flight takes about 2h 02m.

  • How long is a flight from Phoenix-Mesa Gateway Airport to Idaho Falls?

    A nonstop flight from Phoenix-Mesa Gateway Airport to Idaho Falls takes 2h 02m, covering 705 miles.

  • Do I need a passport to fly from Phoenix-Mesa Gateway Airport to Idaho Falls?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Phoenix-Mesa Gateway Airport to Idaho Falls changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $104 to $915. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Phoenix-Mesa Gateway Airport to Idaho Falls looking right now?

    One-way fares from Phoenix-Mesa Gateway Airport to Idaho Falls are currently lower than usual. Average one-way flight prices are about $96, which is 7% below the typical average for this route.

  • What is the time difference between Phoenix-Mesa Gateway Airport and Idaho Falls?

    Idaho Falls is 1 hour ahead of Phoenix-Mesa Gateway Airport (Mountain Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Idaho Falls Fanning Field Airport (IDA)?

    Idaho Falls Fanning Field Airport (IDA) hosts 5 major car rental companies, with daily rates starting from around $34 for economy cars. Top options include:
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Budget
    • National

  • How much should I expect to pay for a Phoenix-Mesa Gateway Airport to Idaho Falls flight?

    Round-trip flights from Phoenix-Mesa Gateway Airport to Idaho Falls range from $186 to $291, with an average of $210 over the past 12 months. Anything below $186 counts as a good deal.

Your guide to booking Phoenix-Mesa Gateway Airport to Idaho Falls flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Friday departure instead of Tuesday. On this route, Friday flights average $188 - about $213 less than Tuesday (53% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Phoenix-Mesa Gateway Airport to Idaho Falls trip for January. Fares historically average $156 round-trip in that month - typically $221 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Idaho Falls Fanning Field Airport.
    - Tru by Hilton Idaho Falls
    - Quality Inn Idaho Falls
    - Comfort Suites Idaho Falls

Prefer to fly direct from Phoenix-Mesa Gateway to Idaho Falls?

 
Find which airlines fly direct from Phoenix-Mesa Gateway Airport to Idaho Falls Fanning Field Airport, which days they fly and book direct flights.

Direct departures

Phoenix-Mesa Gateway to Idaho Falls Fanning Field

Monday

Allegiant Air

Allegiant Air

Tuesday

Allegiant Air

Allegiant Air

Wednesday

Allegiant Air

Allegiant Air

Thursday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

Saturday

Allegiant Air

Allegiant Air

Sunday

Allegiant Air

Allegiant Air

See more direct flights

Direct returns

Idaho Falls Fanning Field to Phoenix-Mesa Gateway

Monday

Allegiant Air

Allegiant Air

Tuesday

Allegiant Air

Allegiant Air

Wednesday

Allegiant Air

Allegiant Air

Thursday

Allegiant Air

Allegiant Air

Friday

Allegiant Air

Allegiant Air

Saturday

Allegiant Air

Allegiant Air

Sunday

Allegiant Air

Allegiant Air

See more direct flights

More options for your flight from Phoenix-Mesa Gateway to Idaho Falls

Complete your trip to Idaho Falls with a hotel stay or car rental

Car rentals in Idaho Falls
Hotels in Idaho Falls
Vacations in Idaho Falls