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Phoenix-Mesa Gateway

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

IDA — AZA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Idaho Falls to Phoenix-Mesa Gateway

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Phoenix-Mesa Gateway (AZA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Popular in

December

Cheapest in

September

Average price

$131

Good round-trip deal

$133 or less

Good one-way deal

$107 or less
Highest demand for flights based on searches. 25% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Idaho Falls Fanning Field to Phoenix-Mesa Gateway.
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Price to beat on a one-way flight from Idaho Falls Fanning Field to Phoenix-Mesa Gateway.
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Best time to book a flight from Idaho Falls to Phoenix-Mesa Gateway

Have a flexible travel schedule? Discover the best time to fly to Phoenix-Mesa Gateway from Idaho Falls 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 Idaho Falls to Phoenix-Mesa Gateway Airport

What is the cheapest month to book a flight from Idaho Falls to Phoenix-Mesa Gateway Airport?

Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Phoenix-Mesa Gateway Airport (average of $144). Flying from Idaho Falls to Phoenix-Mesa Gateway Airport in March is currently the most expensive (average of $316). 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 IDA to AZA?

Find hourly flight availability from Idaho Falls to Phoenix-Mesa Gateway. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 14% on flights from Idaho Falls to Phoenix-Mesa Gateway Airport by exploring options for tickets at noon.

Reviews of airlines servicing Phoenix-Mesa Gateway

Get insights into the airlines that provide service to Phoenix-Mesa Gateway. 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 Phoenix-Mesa Gateway. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Allegiant Air from Idaho Falls to Phoenix-Mesa Gateway Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Allegiant Air
7.2
Good
702 reviews

Food

5.9

Boarding

7.6

Overall

7.2

Entertainment

5.5

Crew

8.1

Comfort

6.8

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.
Allegiant Air
7.2
Good
702 reviews
Allegiant Air
7.2
Good
702 reviews

Food

5.9

Boarding

7.6

Overall

7.2

Entertainment

5.5

Crew

8.1

Comfort

6.8

Reviews

1 / 20
10.0
Excellent

Joellen,Aug 2024

LAS - GEG

Boarding was a hassle. I’ve had the same guy before. Never enjoy seeing him.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Phoenix-Mesa Gateway. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to Phoenix-Mesa Gateway?

    Idaho Falls Fanning Field (IDA) is the airport you will fly out of if you book a flight from Idaho Falls to Phoenix-Mesa Gateway. You should not have trouble finding flights to Phoenix-Mesa Gateway from Fanning Field; the airport handles an average of 0 outbound flights to Phoenix-Mesa Gateway per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Idaho Falls airport to Phoenix-Mesa Gateway. It is only a 3.8 mi journey to Fanning Field (IDA) from Idaho Falls’s city center.

  • What is the cheapest airline to fly from Idaho Falls to Phoenix-Mesa Gateway Airport round-trip?

    Cheapflights users have booked flights from Idaho Falls to Phoenix-Mesa Gateway Airport round-trip from $108. This flight start at 48% lower than the current average price 3 months from now.

  • Can I find deals for flights from Idaho Falls to Phoenix-Mesa Gateway that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Phoenix-Mesa Gateway flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Phoenix-Mesa Gateway?

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

  • Can I find deals for business class flights from Idaho Falls to Phoenix-Mesa Gateway?

    Yes. Cheapflights offers flight deals from Idaho Falls to Phoenix-Mesa Gateway 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 Idaho Falls to Phoenix-Mesa Gateway Airport?

    Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Phoenix-Mesa Gateway Airport (average of $144). Flying from Idaho Falls to Phoenix-Mesa Gateway Airport in March is currently the most expensive (average of $316). 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.

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Top airline flying from Idaho Falls to Phoenix-Mesa Gateway

Discover the top airline that operate flights from Idaho Falls to Phoenix-Mesa Gateway. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$108Average$195FlexibilityNo cancel feeOn-time88%

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