What airlines fly to Idaho Falls?

Allegiant Air, Delta and United Airlines are the top three most popular airlines that fly to Idaho Falls from Tucson according to our data. Allegiant Air is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Tucson Airport to Idaho Falls Fanning Field Airport?

Prices for flights from Tucson Airport to Idaho Falls Fanning Field Airport refresh daily.

How many operators does momondo search for flights from Tucson Airport to Idaho Falls Fanning Field Airport?

The number of operators available for flights from Tucson Airport to Idaho Falls Fanning Field Airport is 1 as of December 2025.

How old do you have to be to fly from Tucson Airport to Idaho Falls Fanning Field Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tucson Airport to Idaho Falls Fanning Field Airport.

What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$306 Cheap Flights from Tucson to Idaho Falls in 2025/26

1 adult

0 bags

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Find the cheapest flights from Tucson to Idaho Falls

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 am - 1:24 pm

TUS

IDA

4h 59m1 stop

2:35 pm - 8:42 pm

IDA

TUS

7h 07m1 stop

$419United Airlines

jue., abr. 2 - dom., abr. 5

5:45 pm - 10:59 pm

TUS

IDA

5h 14m1 stop

5:00 am - 9:59 am

IDA

TUS

4h 59m1 stop

$551United Airlines

jue., ene. 1 - lun., ene. 5

6:00 am - 1:24 pm

TUS

IDA

6h 24m1 stop

2:35 pm - 10:25 am

IDA

TUS

20h 50m2 stops

$577United Airlines

jue., abr. 2 - dom., abr. 5

6:34 pm - 10:59 pm

TUS

IDA

28h 25m2 stops

2:30 pm - 9:58 pm

IDA

TUS

7h 28m1 stop

$673United Airlines

jue., ene. 1 - lun., ene. 5

7:25 am - 12:07 am

TUS

IDA

16h 42m2 stops

2:43 pm - 6:23 pm

IDA

TUS

27h 40m2 stops

$744Alaska Airlines

jue., ene. 1 - lun., ene. 5

United Airlines flights from Tucson to Idaho Falls

Our best United Airlines deals on Tucson to Idaho Falls flight tickets

United Airlines

Apr 2

TUS6:00 amTucson

6h 24m

1 stop

IDA1:24 pmIdaho Falls Fanning Field

Apr 5

IDA2:35 pmIdaho Falls Fanning Field

7h 07m

1 stop

TUS8:42 pmTucson

$419

Find similar

United Airlines

Jan 1

TUS5:45 pmTucson

5h 14m

1 stop

IDA10:59 pmIdaho Falls Fanning Field

Jan 5

IDA5:00 amIdaho Falls Fanning Field

4h 59m

1 stop

TUS9:59 amTucson

$551

Find similar

United Airlines

Apr 2

TUS6:00 amTucson

6h 24m

1 stop

IDA1:24 pmIdaho Falls Fanning Field

Apr 5

IDA2:35 pmIdaho Falls Fanning Field

20h 50m

2 stops

TUS10:25 amTucson

$577

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

jue. 4/2

7:25 am-1:24 pm

1 stop4h 59m

Idaho Falls Fanning Field

dom. 4/5

2:35 pm-8:42 pm

1 stop7h 07m

$419

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

jue. 1/1

5:45 pm-10:59 pm

1 stop5h 14m

Idaho Falls Fanning Field

lun. 1/5

5:00 am-9:59 am

1 stop4h 59m

$551

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

jue. 4/2

6:00 am-1:24 pm

1 stop6h 24m

Idaho Falls Fanning Field

dom. 4/5

2:35 pm-10:25 am

2 stops20h 50m

$577

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

jue. 1/1

6:34 pm-10:59 pm

2 stops28h 25m

Idaho Falls Fanning Field

lun. 1/5

2:30 pm-9:58 pm

1 stop7h 28m

$673

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

jue. 1/1

7:25 am-12:07 am

2 stops16h 42m

Idaho Falls Fanning Field

lun. 1/5

2:43 pm-6:23 pm

2 stops27h 40m

$744

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Tucson to Idaho Falls

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 day to depart on your flight to Idaho Falls?

Our data shows that Friday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $531. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Monday is $754.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the morning. Flights from Tucson to Idaho Falls during this time can be as low as $685. Try not to purchase tickets in the afternoon because they tend to be around $708. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Tucson to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Tucson to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Tucson to Idaho Falls (TUS to IDA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tucson to Idaho Falls

Fastest flight time	4h 59m
Direct flights	None

The fastest flight from Tucson to Idaho Falls takes 4h 59m

There are no direct flights from Tucson to Idaho Falls. There are no popular flight routes from Tucson to Idaho Falls.

Search flight deals

How far is Tucson to Idaho Falls Fanning Field by plane?
The straight-line distance from Tucson to Idaho Falls Fanning Field is 778.5 mi. In terms of flight time, this usually takes a little over 4h 59m.
When did momondo last update prices for flights from Tucson Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Tucson Airport to Idaho Falls Fanning Field Airport refresh daily.
How many operators does momondo search for flights from Tucson Airport to Idaho Falls Fanning Field Airport?
The number of operators available for flights from Tucson Airport to Idaho Falls Fanning Field Airport is 1 as of December 2025.
How old do you have to be to fly from Tucson Airport to Idaho Falls Fanning Field Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tucson Airport to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Tucson to Idaho Falls?
Based on momondo bookings for flights between Tucson and Idaho Falls, the leading airline is Delta, making up 100% of the total bookings.

Best airlines flying from Tucson to Idaho Falls

Compare and see reviews for airlines that fly from Tucson to Idaho Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $289	Free Cancellation	Rating 7.9 8,008 reviews		Search Delta flights

Rexburg

Why use momondo?

Why should I use momondo to find a flight deal from Tucson to Idaho Falls?

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 Falls from Tucson.

Can I find flights from Tucson to Idaho Falls with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Idaho Falls from Tucson with this policy.

How can momondo help me find flights from Tucson to Idaho Falls?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Idaho Falls from Tucson.

I’m not ready to book a flight from Tucson to Idaho Falls right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Idaho Falls from Tucson. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.