HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$340+ Cheap flights from Tucson to Idaho Falls (TUS - IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — IDA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Tucson to Idaho Falls 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.

Cheap flight deals from Tucson to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) to Idaho Falls (IDA). 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 July 3, 2025.

Round-trip from

$340
(Delta)

Popular in

September

Cheapest in

October

Average price

$684
From Tucson to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Tucson to Idaho Falls

Cheapest flights from Tucson to Idaho Falls
Explore the most affordable flight options available from Tucson to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:55 amTUS - IDA
1 stop5h 31mDelta
Wed 10/86:05 amIDA - TUS
1 stop5h 17mDelta
Deal found 7/2$340
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2312:06 pmTUS - IDA
1 stop9h 33mAlaska Airlines
Tue 7/296:15 amIDA - TUS
1 stop5h 55mAlaska Airlines
Deal found 7/2$373
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:55 amTUS - IDA
2 stops8h 30mAmerican Airlines
Wed 10/86:44 amIDA - TUS
2 stops11h 00mAmerican Airlines
Deal found 7/1$459

Cheapflights Fare Finder

Customize your flight search to find flights from Tucson to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Tucson to Idaho Falls that are best for you.

Fly from

Tucson

Fly to

Idaho Falls

Route

Depart

Return

Price

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Sat 10/4

5:55 am-12:26 pm

1 stop5h 31m

Idaho Falls Fanning Field

Wed 10/8

6:05 am-10:22 am

1 stop5h 17m

$340

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Wed 7/23

12:06 pm-10:39 pm

1 stop9h 33m

Idaho Falls Fanning Field

Tue 7/29

6:15 am-11:10 am

1 stop5h 55m

$373

TucsonIdaho Falls

TUS - IDA

TUSIDA

Tucson

Sat 10/4

11:55 am-9:25 pm

2 stops8h 30m

Idaho Falls Fanning Field

Wed 10/8

6:44 am-4:44 pm

2 stops11h 00m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Tucson to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Tucson 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 Tucson to Idaho Falls

What is the cheapest month to book a flight from Tucson to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from Tucson to Idaho Falls (average of $380). Flying from Tucson to Idaho Falls in December is currently the most expensive (average of $578). 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.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and American Airlines from Tucson to Idaho Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

  • What are the cheapest airlines flying from Tucson to Idaho Falls round-trip?

    Our cheapest airline available from Tucson to Idaho Falls is Delta. Our recent data shows that you can find tickets from as low as $340 on this airline. Additional options worth looking into are Alaska Airlines and American Airlines, starting at $373 and $459 round-trip. Delta is 31% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Tucson to Idaho Falls?

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

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

    Yes. Cheapflights offers flight deals from Tucson to Idaho Falls 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 Tucson to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Tucson to Idaho Falls (average of $380). Flying from Tucson to Idaho Falls in December is currently the most expensive (average of $578). 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

Traveling to a place near Tucson?

Book flights to Tucson if you plan to visit one of these locations
Rexburg

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.

Top airline flying from Tucson to Idaho Falls

Discover the top airline that operate flights from Tucson to Idaho Falls. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$289Average$425FlexibilityNo cancel feeOn-timeN/A

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.