HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Phoenix-Mesa Gateway

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

IDA — AZA
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho Falls to Phoenix-Mesa Gateway with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Idaho Falls Fanning Field to Phoenix-Mesa Gateway are usually found in August or June, booked 61 days in advance, depart on a Friday or Monday and return on a Monday

Find 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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

August

Average price

$246

Good round-trip deal

$181 or less
Provider with most accurate pricing for Idaho Falls Fanning Field-Phoenix-Mesa Gateway flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Phoenix-Mesa Gateway flights.
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Idaho Falls Fanning Field to Phoenix-Mesa Gateway.
Search Deals

Compare providers for flights from Idaho Falls to Phoenix-Mesa Gateway

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Phoenix-Mesa Gateway in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Phoenix-Mesa Gateway Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Phoenix-Mesa Gateway Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Phoenix-Mesa Gateway Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Phoenix-Mesa Gateway Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Phoenix-Mesa Gateway Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

How far ahead should I book a flight from Idaho Falls to Phoenix-Mesa Gateway Airport?

Use this chart to determine the optimal time to book a round-trip flight from Idaho Falls to Phoenix-Mesa Gateway. Price data was last updated on March 6, 2026.

The best time to book flights from Idaho Falls to Phoenix-Mesa Gateway Airport is 60 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from Idaho Falls to Phoenix-Mesa Gateway Airport (average of $98). Flying from Idaho Falls to Phoenix-Mesa Gateway Airport in March is currently the most expensive (average of $178). 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 March 12, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 22% on flights from Idaho Falls to Phoenix-Mesa Gateway Airport by exploring options for tickets in the afternoon.

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 March 12, 2026.
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
7.3
Good
714 reviews

Overall

7.3

Comfort

6.9

Crew

8.1

Boarding

7.6

Entertainment

5.5

Food

5.9

Reviews

1 / 20
4.0
Okay

Michael,Feb 2026

PIE - IND

I appreciate the low cost but the seating is ridiculous. So packed it feels dangerous. Actually it was so bad today, I'm going to look for another airline next time I fly.
Allegiant Air
7.3
Good
714 reviews
Allegiant Air
7.3
Good
714 reviews

Overall

7.3

Comfort

6.9

Crew

8.1

Boarding

7.6

Entertainment

5.5

Food

5.9

Reviews

1 / 20
4.0
Okay

Michael,Feb 2026

PIE - IND

I appreciate the low cost but the seating is ridiculous. So packed it feels dangerous. Actually it was so bad today, I'm going to look for another airline next time I fly.

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 $110. This flight start at 42% 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, May is the cheapest month in which you can book a flight from Idaho Falls to Phoenix-Mesa Gateway Airport (average of $98). Flying from Idaho Falls to Phoenix-Mesa Gateway Airport in March is currently the most expensive (average of $178). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho Falls to Phoenix-Mesa Gateway

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Sky Harbor Intl flights
Boise to Sky Harbor Intl flights
Idaho Falls to Sky Harbor Intl flights
Jackson to Sky Harbor Intl flights
Twin Falls to Sky Harbor Intl flights

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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$110Average$188FlexibilityNo cancel feeOn-time88%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.