HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Missouri to Idaho Falls (IDA) from $213

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 6/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MCI — IDA
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

When is the cheapest time to fly from Missouri to Idaho Falls (MO - IDA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Idaho Falls as you normally would.

Cheap United Airlines flights from Missouri to Idaho Falls

Explore cheap flight options specifically provided by United Airlines for the route between Missouri and Idaho Falls. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Check out some of the cheapest United Airlines flights we've come across from Missouri to Idaho Falls. Make sure to double check the flight details before booking.
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Mon 6/35:56 pmIDA - SGF
1 stop4h 37mUnited Airlines
Deal found 5/8$363
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Tue 6/45:56 pmIDA - SGF
1 stop4h 37mUnited Airlines
Deal found 5/7$449
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Mon 6/35:56 pmIDA - SGF
2 stops19h 44mUnited Airlines
Deal found 5/8$502
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Tue 6/45:56 pmIDA - SGF
2 stops19h 44mUnited Airlines
Deal found 5/7$526
Fri 5/319:05 amSTL - IDA
1 stop9h 10mUnited Airlines
Tue 6/45:56 pmIDA - STL
2 stops19h 18mUnited Airlines
Deal found 5/8$539
Fri 5/315:31 pmSTL - IDA
2 stops24h 44mUnited Airlines
Tue 6/45:56 pmIDA - STL
2 stops19h 18mUnited Airlines
Deal found 5/8$544
Fri 6/76:29 pmMCI - IDA
2 stops16h 11mUnited Airlines
Fri 6/145:56 pmIDA - MCI
1 stop25h 38mUnited Airlines
Deal found 5/8$551
Fri 10/114:55 pmSTL - IDA
1 stop25h 20mUnited Airlines
Tue 10/155:40 pmIDA - STL
1 stop21h 50mUnited Airlines
Deal found 5/8$575
Fri 6/146:38 amSGF - IDA
2 stops28h 02mUnited Airlines
Tue 6/185:56 pmIDA - SGF
1 stop4h 37mUnited Airlines
Deal found 5/8$576

Cheap Alaska Airlines flights from Missouri to Idaho Falls

Explore cheap flight options specifically provided by Alaska Airlines for the route between Missouri and Idaho Falls. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Take a gander at the lowest prices we've found on Alaska Airlines flights from Missouri to Idaho Falls. Deals are refreshing constantly so come back soon for more options.
Fri 5/317:41 pmSTL - IDA
1 stop29h 16mAlaska Airlines
Tue 6/46:00 amIDA - STL
1 stop6h 36mAlaska Airlines
Deal found 5/8$542
Wed 5/157:00 amMCI - IDA
1 stop8h 51mAlaska Airlines
Sat 5/183:32 pmIDA - MCI
1 stop7h 27mAlaska Airlines
Deal found 5/7$672
Sat 6/812:44 pmSTL - IDA
2 stops12h 13mAlaska Airlines
Sun 6/166:00 amIDA - STL
2 stops25h 54mAlaska Airlines
Deal found 5/8$757
Fri 6/215:33 pmMCI - IDA
2 stops31h 24mAlaska Airlines
Fri 7/56:00 amIDA - MCI
2 stops26h 55mAlaska Airlines
Deal found 5/7$902

Cheap Missouri to Idaho Falls flights in May & June 2024

Find cheap flight options from Missouri to Idaho Falls specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Prices were last updated on May 9, 2024.
Check out some of the best flight deals from Missouri to Idaho Falls in 2024. Check back regularly for other flight deals.
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Mon 6/35:56 pmIDA - SGF
1 stop4h 37mUnited Airlines
Deal found 5/8$363
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Tue 6/45:56 pmIDA - SGF
1 stop4h 37mUnited Airlines
Deal found 5/7$449
Fri 5/317:55 amSTL - IDA
1 stop5h 33mDelta
Tue 6/46:00 amIDA - STL
1 stop6h 32mDelta
Deal found 5/9$501
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Mon 6/35:56 pmIDA - SGF
2 stops19h 44mUnited Airlines
Deal found 5/8$502
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Tue 6/45:56 pmIDA - SGF
2 stops19h 44mUnited Airlines
Deal found 5/7$526
Fri 6/76:25 pmMCI - IDA
1 stop4h 52mDelta
Fri 6/147:00 pmIDA - MCI
1 stop4h 30mDelta
Deal found 5/8$531
Fri 5/319:05 amSTL - IDA
1 stop9h 10mUnited Airlines
Tue 6/45:56 pmIDA - STL
2 stops19h 18mUnited Airlines
Deal found 5/8$539
Fri 5/317:41 pmSTL - IDA
1 stop29h 16mAlaska Airlines
Tue 6/46:00 amIDA - STL
1 stop6h 36mAlaska Airlines
Deal found 5/8$542
Fri 5/315:31 pmSTL - IDA
2 stops24h 44mUnited Airlines
Tue 6/45:56 pmIDA - STL
2 stops19h 18mUnited Airlines
Deal found 5/8$544

Missouri to Idaho Falls 2024 flight deals

Discover exclusive flight deals for travel between Missouri and Idaho Falls in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Check out some of the best flight deals from Missouri to Idaho Falls in 2024. Check back regularly for other flight deals.
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Mon 6/35:56 pmIDA - SGF
1 stop4h 37mUnited Airlines
Deal found 5/8$363
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Tue 6/45:56 pmIDA - SGF
1 stop4h 37mUnited Airlines
Deal found 5/7$449
Fri 5/317:55 amSTL - IDA
1 stop5h 33mDelta
Tue 6/46:00 amIDA - STL
1 stop6h 32mDelta
Deal found 5/9$501
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Mon 6/35:56 pmIDA - SGF
2 stops19h 44mUnited Airlines
Deal found 5/8$502
Wed 9/257:00 amMCI - IDA
1 stop9h 30mAlaska Airlines
Sun 9/294:20 pmIDA - MCI
1 stop6h 39mAlaska Airlines
Deal found 5/8$526
Wed 5/295:50 amSGF - IDA
1 stop4h 50mUnited Airlines
Tue 6/45:56 pmIDA - SGF
2 stops19h 44mUnited Airlines
Deal found 5/7$526
Fri 6/76:25 pmMCI - IDA
1 stop4h 52mDelta
Fri 6/147:00 pmIDA - MCI
1 stop4h 30mDelta
Deal found 5/8$531
Fri 5/319:05 amSTL - IDA
1 stop9h 10mUnited Airlines
Tue 6/45:56 pmIDA - STL
2 stops19h 18mUnited Airlines
Deal found 5/8$539
Fri 5/317:41 pmSTL - IDA
1 stop29h 16mAlaska Airlines
Tue 6/46:00 amIDA - STL
1 stop6h 36mAlaska Airlines
Deal found 5/8$542

Missouri to Idaho Falls flights leaving soon

Find last-minute flight options from Missouri to Idaho Falls for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Have a look at some of the last-minute flights available departing from Missouri to Idaho Falls. Users should examine the flight details to ensure there are no surprises.
Wed 5/157:00 amMCI - IDA
1 stop8h 51mAlaska Airlines
Sat 5/183:32 pmIDA - MCI
1 stop7h 27mAlaska Airlines
Deal found 5/7$672
Wed 5/156:14 pmMCI - IDA
1 stop4h 44mDelta
Sat 5/186:00 amIDA - MCI
2 stops9h 00mDelta
Deal found 5/8$677
Wed 5/1510:51 amMCI - IDA
2 stops12h 07mDelta
Sat 5/186:00 amIDA - MCI
2 stops9h 00mDelta
Deal found 5/7$785
Wed 5/156:00 amMCI - IDA
2 stops8h 34mUnited Airlines
Sat 5/1810:45 amIDA - MCI
2 stops10h 08mUnited Airlines
Deal found 5/8$906

One-way flights to Idaho Falls from Missouri

Search for one-way flight options from Missouri to Idaho Falls. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 9, 2024.
Take a look at some of the best available options we've come across on one-way flights from Missouri to Idaho Falls. Users needing a return flight from Missouri to Idaho Falls should utilize the search form above.
Sat 6/84:55 pmSTL - IDA
1 stop5h 48mAmerican Airlines
Deal found 5/8$213
Sat 6/811:25 amSTL - IDA
2 stops11h 52mDelta
Deal found 5/8$218
Tue 6/117:41 pmSTL - IDA
1 stop29h 16mAlaska Airlines
Deal found 5/8$252
Sat 6/84:45 pmSTL - IDA
1 stop5h 23mUnited Airlines
Deal found 5/8$261
Sat 6/89:05 amSTL - IDA
1 stop9h 10mUnited Airlines
Deal found 5/8$263
Fri 7/196:20 pmMCI - IDA
1 stop4h 48mDelta
Deal found 5/8$266
Fri 6/77:41 pmSTL - IDA
1 stop20h 11mAlaska Airlines
Deal found 5/8$277
Sat 6/87:41 pmSTL - IDA
1 stop29h 16mAlaska Airlines
Deal found 5/8$287
Sat 6/811:25 amSTL - IDA
2 stops11h 52mDelta
Deal found 5/8$293

Find flights from Missouri to Idaho Falls within your budget

Customize your flight search to find flights from Missouri 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 2,717,708 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$363 - $891

Route

Depart

Return

Price

Springfield-BransonIdaho Falls Fanning Field

SGF - IDA

SGFIDA

Springfield-Branson

Wed 5/29

1 stop4h 50m

Idaho Falls Fanning Field

Mon 6/3

1 stop4h 37m

$363

Springfield-BransonIdaho Falls Fanning Field

SGF - IDA

SGFIDA

Springfield-Branson

Wed 5/29

1 stop4h 50m

Idaho Falls Fanning Field

Tue 6/4

1 stop4h 37m

$449

Springfield-BransonIdaho Falls Fanning Field

SGF - IDA

SGFIDA

Springfield-Branson

Wed 5/29

1 stop4h 50m

Idaho Falls Fanning Field

Mon 6/3

2 stops19h 44m

$502

Springfield-BransonIdaho Falls Fanning Field

SGF - IDA

SGFIDA

Springfield-Branson

Wed 5/29

1 stop4h 50m

Idaho Falls Fanning Field

Tue 6/4

2 stops19h 44m

$526

Kansas CityIdaho Falls Fanning Field

MCI - IDA

MCIIDA

Kansas City

Fri 6/7

1 stop4h 52m

Idaho Falls Fanning Field

Fri 6/14

1 stop4h 30m

$531

Lambert-St LouisIdaho Falls Fanning Field

STL - IDA

STLIDA

Lambert-St Louis

Fri 5/31

1 stop29h 16m

Idaho Falls Fanning Field

Tue 6/4

1 stop6h 36m

$542

Lambert-St LouisIdaho Falls Fanning Field

STL - IDA

STLIDA

Lambert-St Louis

Sat 6/8

1 stop5h 27m

Idaho Falls Fanning Field

Sun 6/16

1 stop4h 58m

$586

Lambert-St LouisIdaho Falls Fanning Field

STL - IDA

STLIDA

Lambert-St Louis

Sat 6/8

2 stops11h 52m

Idaho Falls Fanning Field

Sun 6/16

1 stop4h 58m

$591

Springfield-BransonIdaho Falls Fanning Field

SGF - IDA

SGFIDA

Springfield-Branson

Wed 5/29

2 stops17h 01m

Idaho Falls Fanning Field

Mon 6/3

2 stops13h 00m

$891

Flights are sorted by cheapest first

Deals found on 5/8

No data available for this route at this time. Please check back soon.

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 May 9, 2024.
Read reviews from past customers who have flown United Airlines, Alaska Airlines and Delta from Missouri to Idaho Falls. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,142 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,778 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
11,027 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,665 reviews
Alaska Airlines
8.1
Very good
9,142 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Missouri 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 airport do you fly into for flights to Idaho Falls from Missouri?

    Idaho Falls Fanning Field (IDA), located 3.8 mi from the city center, is the airport you fly into when you book flights from Missouri to Idaho Falls.

  • Can I find flights from Missouri to Idaho Falls for under $400 on Cheapflights?

    Yes, there are multiple flights from Missouri to Idaho Falls for under $400. The cheapest flight booked recently is on United Airlines for just $363, but on average you can expect to pay $563.

  • Are there last-minute flights available from Missouri to Idaho Falls for under $700?

    There are currently 4+ open flights from Missouri to Idaho Falls within the next 7 days for less than $700.

  • What are the cheapest airlines to fly from Missouri to Idaho Falls one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $213. Delta flights start at $218 while deals on Alaska Airlines start at $252 one-way.

  • What are the most popular routes from Missouri to Idaho Falls?

    The most popular route from Missouri to Idaho Falls is Kansas City - Idaho Falls Fanning Field. You may also consider Lambert-St Louis - Idaho Falls Fanning Field or Springfield-Branson - Idaho Falls Fanning Field.

  • What does MCI to IDA mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Kansas City Airport to Idaho Falls Fanning Field Airport flight would often be abbreviated as a MCI to IDA flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Lambert-St Louis Airport (STL), Springfield-Branson Airport (SGF), Columbia Regional Airport (COU), Kansas City Downtown Airport (MKC), Branson Airport (BKG).

  • Can I find deals for flights from Missouri to Idaho Falls that include extra baggage allowance?

    The amount of baggage you can bring on your Missouri to Idaho Falls flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Missouri to Idaho Falls with specific airlines?

    Yes, Cheapflights allows you to browse and filter Missouri to Idaho Falls flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri 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.

  • Can I find deals for flights from Missouri to Idaho Falls that allow pets onboard?

    Many airlines flying from Missouri to Idaho Falls offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Missouri to Idaho Falls?

    Yes, you can often find last-minute deals on Missouri to Idaho Falls flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Missouri to Idaho Falls flight deals updated?

    The Missouri to Idaho Falls flight deals you see on this page were last updated on 5/9.

See more FAQs

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.

Alternative routes for Missouri to Idaho Falls
See prices for flight routes from nearby airports that may be better suited for you.

Seattle to Boise flights
Los Angeles to Boise flights
Los Angeles to Spokane flights
Minneapolis to Boise flights
San Francisco to Boise flights
Dallas/Fort Worth to Boise flights
Seattle to Spokane flights
Atlanta to Spokane flights
Atlanta to Boise flights
Dallas/Fort Worth to Spokane flights
Minneapolis to Spokane flights
Sky Harbor Intl to Boise flights
Santa Ana to Boise flights
Portland to Boise flights
Dulles Intl to Boise flights
Dulles Intl to Spokane flights
San Francisco to Spokane flights
O'Hare Intl to Spokane flights
Denver to Spokane flights
Sky Harbor Intl to Spokane flights
Reagan-National to Boise flights
Hobby to Spokane flights
Ontario to Boise flights
John F Kennedy Intl to Boise flights
Raleigh to Spokane flights
O'Hare Intl to Boise flights
Salt Lake City to Spokane flights
Newark to Boise flights
Ontario to Spokane flights
San Diego to Spokane flights
Baltimore to Boise flights
John F Kennedy Intl to Spokane flights
Orlando to Spokane flights
Burbank to Boise flights
George Bush Intcntl to Spokane flights
Reagan-National to Spokane flights
Seattle to Idaho Falls flights
Boston to Spokane flights
Spokane to Boise flights
Boise to Spokane flights
LaGuardia to Spokane flights
Midway to Spokane flights
Boston to Boise flights
San Diego to Boise flights
Baltimore to Spokane flights
Portland to Spokane flights
Newark to Spokane flights
LaGuardia to Boise flights
Denver to Boise flights
San Jose to Boise flights

Top 3 airlines flying from Missouri to Idaho Falls

Discover the top 3 airlines that operate flights from Missouri 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 2,717,708 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$587FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$366Average$686FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$369Average$630FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Houston to Dallas flights
New York to Istanbul flights
San Francisco to Toronto flights
Austin to Dallas flights
USA to China flights
Atlanta to Denver flights
Tampa to London flights
USA to Bora Bora flights
Tampa to Phoenix flights
Hartford to Orlando flights
Nashville to Knoxville flights
Missouri to Bali flights

Search flights from Missouri to Idaho Falls by cabin class

Find flights from Missouri to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Ordu/Giresun
Flights to Hakodate
Flights to Gazipasa
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Bourgas
Flights to Kalamata
Flights to Menorca/Mahon
Flights to Mytilene
Flights to Mason City
Flights to Pau Pyrénées
Flights to Neiva La Marguita
Flights to Cortez Montezuma County
Flights to Biarritz Parme
Flights to Parikia Paros
Flights to Ohrid
Flights to Edremit/Korfez
Flights to Naxos
Flights to Dalaman
Flights to Lublin
Flights to Miyakojima Hirara
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Constanţa Mihail Kogalniceanu

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Missouri to Idaho Falls?

When you search for this flight from Missouri to Idaho Falls, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Missouri to Idaho Falls?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Missouri to Idaho Falls.

Can Cheapflights find flights from Missouri to Idaho Falls with no change fees?

Yes! Cheapflights helps users easily find flights from Missouri to Idaho Falls with no change fees.

Can Cheapflights notify me if prices for flights from Missouri to Idaho Falls become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.
View all available airlines