$683+ Cheap flights from Bismarck to Idaho Falls (BIS - 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — IDA
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Bismarck 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 Bismarck to Idaho Falls
Cheapest
Best
Last-minute
Cheapest flights from Bismarck to Idaho FallsExplore the most affordable flight options available from Bismarck to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Bismarck to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:56 pm -
1 stop15h 05m
Fri 11/277:06 pm -
1 stop25h 36m
Deal found 10/20![Allegiant Air logo]()
$683
This Delta deal was found by Cheapflights users on 10/20. 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 11/203:13 pm -
2 stops7h 46m
Fri 11/276:00 am -
2 stops9h 29m
Deal found 10/20![Delta logo]()
$758
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 11/95:02 pm -
1 stop17h 51m
Fri 11/135:30 pm -
1 stop25h 59m
Deal found 10/24![United Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 10/24. 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.
Mon 11/93:13 pm -
2 stops7h 46m
Fri 11/131:11 pm -
2 stops9h 18m
Deal found 10/24![Delta logo]()
$1,193
Best flights from Bismarck to Idaho FallsDiscover carefully curated flight deals from Bismarck to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Bismarck to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:56 pm -
1 stop15h 05m
Fri 11/277:06 pm -
1 stop25h 36m
Deal found 10/20![Allegiant Air logo]()
$683
This Delta deal was found by Cheapflights users on 10/20. 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 11/203:13 pm -
2 stops7h 46m
Fri 11/276:00 am -
2 stops9h 29m
Deal found 10/20![Delta logo]()
$758
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 11/95:02 pm -
1 stop17h 51m
Fri 11/135:30 pm -
1 stop25h 59m
Deal found 10/24![United Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 10/24. 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.
Mon 11/93:13 pm -
2 stops7h 46m
Fri 11/131:11 pm -
2 stops9h 18m
Deal found 10/24![Delta logo]()
$1,193
Last-minute flights from Bismarck to Idaho FallsDiscover last-minute flight deals from Bismarck to Idaho Falls. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Bismarck to Idaho Falls. Data last updated October 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Mon 11/95:02 pm -
1 stop17h 51m
Fri 11/135:30 pm -
1 stop25h 59m
Deal found 10/24![United Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 10/24. 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.
Mon 11/93:13 pm -
2 stops7h 46m
Fri 11/131:11 pm -
2 stops9h 18m
Deal found 10/24![Delta logo]()
$1,193
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:56 pm -
1 stop15h 05m
Fri 11/277:06 pm -
1 stop25h 36m
Deal found 10/20![Allegiant Air logo]()
$683
This Delta deal was found by Cheapflights users on 10/20. 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 11/203:13 pm -
2 stops7h 46m
Fri 11/276:00 am -
2 stops9h 29m
Deal found 10/20![Delta logo]()
$758
Find flight deals from Bismarck to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Bismarck 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 25, 2026.
Use the filters below to find and compare flights from Bismarck to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BismarckIdaho Falls
BIS Bismarck - IDA Idaho Falls Fanning Field
BISIDA
Bismarck
Fri 11/20
8:56 pm-11:01 am
1 stop15h 05m
Idaho Falls Fanning Field
Fri 11/27
7:06 pm-9:42 pm
1 stop25h 36m
$683
BismarckIdaho Falls
BIS Bismarck - IDA Idaho Falls Fanning Field
BISIDA
Bismarck
Fri 11/20
3:13 pm-9:59 pm
2 stops7h 46m
Idaho Falls Fanning Field
Fri 11/27
6:00 am-4:29 pm
2 stops9h 29m
$758
BismarckIdaho Falls
BIS Bismarck - IDA Idaho Falls Fanning Field
BISIDA
Bismarck
Mon 11/9
5:02 pm-9:53 am
1 stop17h 51m
Idaho Falls Fanning Field
Fri 11/13
5:30 pm-8:29 pm
1 stop25h 59m
$887
Quickest round-trip
BismarckIdaho Falls
BIS Bismarck - IDA Idaho Falls Fanning Field
BISIDA
Bismarck
Mon 11/9
3:13 pm-9:59 pm
2 stops7h 46m
Idaho Falls Fanning Field
Fri 11/13
1:11 pm-11:29 pm
2 stops9h 18m
$1,193
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Bismarck-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bismarck-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bismarck-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bismarck-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 Bismarck-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 Bismarck to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Bismarck with our price prediction graph.
BIS-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
Find useful and relevant information for your journey from Bismarck to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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