What are the cheapest airlines to fly from Idaho Falls to Mesa one-way?

One-way options have recently been found by users for as low as $179 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $220 and American Airlines from $266 one-way.

In terms of precipitation, rainfall in Mesa ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Mesa when rainfall is around 0.0 in.

If weather is an important factor for your trip to Mesa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

What are the cheapest flights from Idaho Falls to Mesa?

Looking at all options, your cheapest flight can be booked for $507. While the most popular route (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl) can be booked for $346 on average, our data indicates $675 when flying from Idaho Falls to Mesa.

What are the most popular airlines that fly from Idaho Falls to Mesa?

Consider American Airlines, United Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Idaho Falls to Mesa.

What airport do you fly from for flights from Idaho Falls to Mesa?

Most people fly from Idaho Falls Fanning Field (IDA) if they book a flight from Idaho Falls to Mesa. On average, Fanning Field has 0 outbound flights to Mesa per day from 4 airlines. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.

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

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

How can I find direct flights from Idaho Falls to Mesa?

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

Can I find deals for business class flights from Idaho Falls to Mesa?

Yes. Cheapflights offers flight deals from Idaho Falls to Mesa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Idaho Falls to Mesa

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Find flight deals from Idaho Falls to Mesa

Popular in	August
Cheapest in	November
Average price	$462

Highest demand for flights based on searches. 12% potential increase in price ($58 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from Idaho Falls to Mesa

What is the cheapest time of day to fly from IDA to MS9?

It’s typically best to fly out from Idaho Falls to Mesa in the evening. Doing so could potentially save you 55% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Idaho Falls to Mesa?

Travelers seeking maximum savings on their Idaho Falls to Mesa flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Mesa

Read through reviews of airlines operating flights from Idaho Falls to Mesa, such as Delta,United Airlines, andAllegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,641 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Delta

7.8

Good

8,641 reviews

Delta

7.8

Good

8,641 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

United Airlines

7.4

Good

10,319 reviews

Delta

7.8

Good

8,641 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Allegiant Air

7.3

Good

678 reviews

Delta

7.8

Good

8,641 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

American Airlines

7.0

Good

12,145 reviews

Delta

7.8

Good

8,641 reviews

Reviews

1 / 20

4.0

Okay

Jennifer,Sep 2026

ORD - LGA

The flight crew was 30 minutes late to an am flight and then that caused a delay

Related info for your journey

What airport do you fly from for flights from Idaho Falls to Mesa?
Most people fly from Idaho Falls Fanning Field (IDA) if they book a flight from Idaho Falls to Mesa. On average, Fanning Field has 0 outbound flights to Mesa per day from 4 airlines. Idaho Falls Fanning Field is conveniently located just 3.8 mi from Idaho Falls’s city center.
What are the cheapest airlines to fly from Idaho Falls to Mesa one-way?
One-way options have recently been found by users for as low as $179 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from $220 and American Airlines from $266 one-way.
What are the cheapest flights from Idaho Falls to Mesa?
Looking at all options, your cheapest flight can be booked for $507. While the most popular route (Idaho Falls Fanning Field - Phoenix Sky Harbor Intl) can be booked for $346 on average, our data indicates $675 when flying from Idaho Falls to Mesa.
Can I find deals for flights from Idaho Falls to Mesa that include hotel bookings?
Yes. In addition to deals on Idaho Falls to Mesa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to Mesa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Mesa.
Can I find deals for business class flights from Idaho Falls to Mesa?
Yes. Cheapflights offers flight deals from Idaho Falls to Mesa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 4 airlines flying from Idaho Falls to Mesa

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$104	Average$233	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$218	Average$494	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$308	Average$428	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$326	Average$436	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Idaho Falls (IDA) to Mesa, AZ

Find cheap flights from Idaho Falls to Mesa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Idaho Falls to Mesa

Popular in

Cheapest in

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Cheapflights Insights

What is the cheapest time of day to fly from IDA to MS9?

It’s typically best to fly out from Idaho Falls to Mesa in the evening. Doing so could potentially save you 55% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Idaho Falls to Mesa?

Travelers seeking maximum savings on their Idaho Falls to Mesa flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Mesa

Get insights into the airlines that provide service to Mesa. 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 Mesa. Reviews last updated October 9, 2026.

Read through reviews of airlines operating flights from Idaho Falls to Mesa, such as Delta,United Airlines, andAllegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Idaho Falls to Mesa?

What are the cheapest airlines to fly from Idaho Falls to Mesa one-way?

What are the cheapest flights from Idaho Falls to Mesa?

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

How can I find direct flights from Idaho Falls to Mesa?

Can I find deals for business class flights from Idaho Falls to Mesa?

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 Mesa

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Complete your trip

Complete your trip to Mesa by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Idaho Falls to Mesa by cabin class

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Idaho Falls and Mesa flights

Browse other Idaho Falls and Mesa flight options. Last updated on October 9, 2026.

Other flights from Idaho Falls

Browse through other flights departing from Idaho Falls. Flights are based on user searches made on Cheapflights and were last updated on October 9, 2026.

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