$605+ Cheap flights from Missoula to Idaho Falls (MSO - 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — IDA
Nov 6 — Nov 131
Round-trip
1 adult, Economy
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Find cheap flights from Missoula 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 Missoula to Idaho Falls
Cheapest
Best
Last-minute
Cheapest flights from Missoula to Idaho FallsExplore the most affordable flight options available from Missoula to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 7, 2026.
Explore the most affordable flight options available from Missoula to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/207:03 am -
1 stop8h 17m
Sat 10/241:58 pm -
1 stop8h 06m
Deal found 10/5![Alaska Airlines logo]()
$605
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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 10/213:49 pm -
1 stop7h 10m
Sun 10/256:09 am -
1 stop6h 17m
Deal found 10/6![Alaska Airlines logo]()
$695
Best flights from Missoula to Idaho FallsDiscover carefully curated flight deals from Missoula to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 7, 2026.
Discover carefully curated flight deals from Missoula to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/207:03 am -
1 stop8h 17m
Sat 10/241:58 pm -
1 stop8h 06m
Deal found 10/5![Alaska Airlines logo]()
$605
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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 10/213:49 pm -
1 stop7h 10m
Sun 10/256:09 am -
1 stop6h 17m
Deal found 10/6![Alaska Airlines logo]()
$695
Last-minute flights from Missoula to Idaho FallsDiscover last-minute flight deals from Missoula to Idaho Falls. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Idaho Falls. Data last updated October 7, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 10/5. 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 10/207:03 am -
1 stop8h 17m
Sat 10/241:58 pm -
1 stop8h 06m
Deal found 10/5![Alaska Airlines logo]()
$605
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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 10/213:49 pm -
1 stop7h 10m
Sun 10/256:09 am -
1 stop6h 17m
Deal found 10/6![Alaska Airlines logo]()
$695
Find flight deals from Missoula to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) 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 October 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $605 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Missoula 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 7,457,451 searches. Data last updated October 7, 2026.
Use the filters below to find and compare flights from Missoula to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaIdaho Falls
MSO Missoula Johnson-Bell Field - IDA Idaho Falls Fanning Field
MSOIDA
Missoula Johnson-Bell Field
Tue 10/20
7:03 am-3:20 pm
1 stop8h 17m
Idaho Falls Fanning Field
Sat 10/24
1:58 pm-10:04 pm
1 stop8h 06m
$605
Quickest round-trip
MissoulaIdaho Falls
MSO Missoula Johnson-Bell Field - IDA Idaho Falls Fanning Field
MSOIDA
Missoula Johnson-Bell Field
Wed 10/21
3:49 pm-10:59 pm
1 stop7h 10m
Idaho Falls Fanning Field
Sun 10/25
6:09 am-12:26 pm
1 stop6h 17m
$695
Sorted by cheapest first
Compare providers for flights from Missoula 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 Missoula to Idaho Falls in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Missoula-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Missoula-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 Missoula-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 Missoula to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Missoula with our price prediction graph.
MSO-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.
Related info for your journey
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