$235+ Cheap flights from Tucson to Idaho Falls (TUS - IDA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — IDA
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
Cheapest flights from Tucson to Idaho FallsExplore 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 August 1, 2026.
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 August 1, 2026.
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 9/154:31 pm
TUS
- IDA
1 stop4h 51m
Delta
Sat 9/196:00 am
IDA
- TUS
1 stop5h 30m
Delta
Deal found 7/27![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:31 pm
TUS
- IDA
1 stop4h 51m
Delta
Sun 10/46:00 am
IDA
- TUS
1 stop5h 30m
Delta
Deal found 8/1![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:15 am
TUS
- IDA
1 stop7h 01m
United Airlines
Wed 8/197:00 am
IDA
- TUS
1 stop6h 27m
United Airlines
Deal found 7/31![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 7/31. 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 8/154:50 pm
TUS
- IDA
1 stop4h 42m
Delta
Wed 8/1911:35 am
IDA
- TUS
2 stops10h 21m
Delta
Deal found 7/31![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 10/74:30 pm
TUS
- IDA
1 stop4h 40m
Delta
Sun 10/116:00 am
IDA
- TUS
2 stops6h 12m
Delta
Deal found 7/27![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 7/28. 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.
Sun 8/94:31 pm
TUS
- IDA
1 stop5h 01m
Delta
Wed 8/126:00 am
IDA
- TUS
2 stops6h 14m
Delta
Deal found 7/28![Delta logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 9/223:12 pm
TUS
- IDA
1 stop6h 44m
Alaska Airlines
Sat 9/263:57 pm
IDA
- TUS
1 stop19h 00m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$376
Best flights from Tucson to Idaho FallsDiscover carefully curated flight deals from Tucson to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
Discover carefully curated flight deals from Tucson to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
This Delta deal was found by Cheapflights users on 7/27. 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.
Tue 9/154:31 pm
TUS
- IDA
1 stop4h 51m
Delta
Sat 9/196:00 am
IDA
- TUS
1 stop5h 30m
Delta
Deal found 7/27![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 9/223:12 pm
TUS
- IDA
1 stop6h 44m
Alaska Airlines
Sat 9/263:57 pm
IDA
- TUS
1 stop19h 00m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 8/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:31 pm
TUS
- IDA
1 stop4h 51m
Delta
Sun 10/46:00 am
IDA
- TUS
1 stop5h 30m
Delta
Deal found 8/1![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 10/74:30 pm
TUS
- IDA
1 stop4h 40m
Delta
Sun 10/116:00 am
IDA
- TUS
2 stops6h 12m
Delta
Deal found 7/27![Delta logo]()
$369
Last-minute flights from Tucson to Idaho FallsDiscover last-minute flight deals from Tucson to Idaho Falls. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to Idaho Falls. Data last updated August 1, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 8/711:20 am
TUS
- IDA
1 stop6h 00m
Delta
Mon 8/1711:35 am
IDA
- TUS
1 stop5h 32m
Delta
Deal found 7/27![Delta logo]()
$444
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:30 pm
TUS
- IDA
1 stop6h 37m
United Airlines
Mon 8/174:04 pm
IDA
- TUS
1 stop5h 26m
United Airlines
Deal found 7/31![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 7/28. 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.
Sun 8/94:31 pm
TUS
- IDA
1 stop5h 01m
Delta
Wed 8/126:00 am
IDA
- TUS
2 stops6h 14m
Delta
Deal found 7/28![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:15 am
TUS
- IDA
1 stop7h 01m
United Airlines
Wed 8/197:00 am
IDA
- TUS
1 stop6h 27m
United Airlines
Deal found 7/31![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 7/31. 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 8/154:50 pm
TUS
- IDA
1 stop4h 42m
Delta
Wed 8/1911:35 am
IDA
- TUS
2 stops10h 21m
Delta
Deal found 7/31![Delta logo]()
$354
One-way flights from Tucson to Idaho FallsSearch for one-way flight options from Tucson to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from Tucson to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This Delta deal was found by Cheapflights users on 7/31. 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.
Thu 8/204:31 pm
TUS
- IDA
1 stop5h 01m
Delta
Deal found 7/31![Delta logo]()
$235
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/209:15 am
TUS
- IDA
1 stop7h 01m
United Airlines
Deal found 7/28![United Airlines logo]()
$245
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Thu 8/2010:25 am
TUS
- IDA
2 stops10h 18m
American Airlines
Deal found 8/1![American Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:45 am
TUS
- IDA
1 stop6h 40m
United Airlines
Deal found 7/27![United Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 8/610:31 am
TUS
- IDA
2 stops28h 06m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$753
Find 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 August 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Delta) |
One-way from | $235 (Delta) |
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 August 1, 2026.
Use the filters below to find and compare flights from Tucson to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
TucsonIdaho Falls
TUS - IDA
TUSIDA
Tucson
Tue 9/15
4:31 pm-10:22 pm
1 stop4h 51m
Idaho Falls Fanning Field
Sat 9/19
6:00 am-10:30 am
1 stop5h 30m
$319
TucsonIdaho Falls
TUS - IDA
TUSIDA
Tucson
Thu 10/1
4:31 pm-10:22 pm
1 stop4h 51m
Idaho Falls Fanning Field
Sun 10/4
6:00 am-10:30 am
1 stop5h 30m
$339
TucsonIdaho Falls
TUS - IDA
TUSIDA
Tucson
Wed 10/7
4:30 pm-10:10 pm
1 stop4h 40m
Idaho Falls Fanning Field
Sun 10/11
6:00 am-11:12 am
2 stops6h 12m
$369
TucsonIdaho Falls
TUS - IDA
TUSIDA
Tucson
Tue 9/22
3:12 pm-10:56 pm
1 stop6h 44m
Idaho Falls Fanning Field
Sat 9/26
3:57 pm-9:57 am
1 stop19h 00m
$376
Cheapest one-way
Quickest one-way
TucsonIdaho Falls
TUS - IDA
TUSIDA
Tucson
Thu 8/20
4:31 pm-10:32 pm
1 stop5h 01m
$235
TucsonIdaho Falls
TUS - IDA
TUSIDA
Tucson
Thu 8/20
9:15 am-5:16 pm
1 stop7h 01m
$245
TucsonIdaho Falls
TUS - IDA
TUSIDA
Tucson
Thu 8/6
5:45 am-1:25 pm
1 stop6h 40m
$435
TucsonIdaho Falls
TUS - IDA
TUSIDA
Tucson
Thu 8/6
10:31 am-3:37 pm
2 stops28h 06m
$753
Sorted by cheapest first
Compare providers for flights from Tucson to Idaho Falls
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 Tucson to Idaho Falls in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Tucson-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tucson-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Tucson-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Tucson-Idaho Falls 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 Tucson-Idaho Falls 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 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.
TUS-IDA
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.
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 August 1, 2026.
Peruse reviews from past customers who have flown with Delta 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.
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Complete your trip
Complete your trip to Idaho Falls by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 1, 2026.
Tucson and Idaho Falls flights
Browse other Tucson and Idaho Falls flight options. Last updated on August 1, 2026.
Other flights from Tucson
Browse through other flights departing from Tucson. Flights are based on user searches made on Cheapflights and were last updated on August 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$370 | FlexibilityNo cancel fee | On-timeN/A |