$230+ Cheap flights from Idaho Falls (IDA) to Missouri
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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — MCI
Jun 23 — Jun 301
Round-trip
1 adult, Economy
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Find cheap flights from Idaho Falls to Missouri with Cheapflights
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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
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Cheapest flights from Idaho Falls to MissouriExplore the most affordable flight options available from Idaho Falls to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.
Explore the most affordable flight options available from Idaho Falls to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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.
Sat 10/316:09 am
IDA
- MCI
1 stop7h 08m
Alaska Airlines
Tue 11/32:53 pm
MCI
- IDA
1 stop9h 49m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:54 pm
IDA
- STL
1 stop5h 03m
United Airlines
Tue 6/95:10 am
STL
- IDA
1 stop5h 40m
United Airlines
Deal found 5/20![United Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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 8/273:57 pm
IDA
- MCI
1 stop19h 41m
Alaska Airlines
Sun 8/302:48 pm
MCI
- IDA
1 stop23h 36m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 5/21. 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 6/16:54 pm
IDA
- MCI
1 stop4h 31m
Delta
Sat 6/62:56 pm
MCI
- IDA
1 stop4h 18m
Delta
Deal found 5/21![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 5/24. 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.
Tue 7/147:00 pm
IDA
- MCI
1 stop4h 13m
Delta
Fri 7/176:00 pm
MCI
- IDA
1 stop5h 32m
Delta
Deal found 5/24![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 5/19. 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 10/315:00 am
IDA
- MCI
2 stops8h 31m
United Airlines
Tue 11/311:25 am
MCI
- IDA
1 stop6h 57m
United Airlines
Deal found 5/19![United Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 5/19. 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 6/177:00 pm
IDA
- MCI
1 stop4h 18m
Delta
Wed 6/247:02 am
MCI
- IDA
1 stop4h 41m
Delta
Deal found 5/19![Delta logo]()
$454
This Expedia deal was found by Cheapflights users on 5/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:03 pm
IDA
- STL
1 stop23h 34m
Alaska Airlines
Tue 6/25:33 pm
STL
- IDA
1 stop20h 44m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 5/21. 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 5/296:54 pm
IDA
- MCI
1 stop4h 31m
Delta
Sun 5/316:40 am
MCI
- IDA
1 stop5h 07m
Delta
Deal found 5/21![Delta logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 9/82:01 pm
IDA
- MCI
1 stop8h 58m
Alaska Airlines
Thu 9/172:53 pm
MCI
- IDA
1 stop23h 31m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 5/20. 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.
Thu 5/2111:30 am
IDA
- STL
1 stop6h 33m
Delta
Tue 5/261:59 pm
STL
- IDA
2 stops9h 43m
Delta
Deal found 5/20![Delta logo]()
$474
This Travelocity deal was found by Cheapflights users on 5/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:43 pm
IDA
- STL
1 stop9h 16m
Alaska Airlines
Thu 8/206:08 pm
STL
- IDA
1 stop20h 16m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$476
Best flights from Idaho Falls to MissouriDiscover carefully curated flight deals from Idaho Falls to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
Discover carefully curated flight deals from Idaho Falls to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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.
Sat 10/316:09 am
IDA
- MCI
1 stop7h 08m
Alaska Airlines
Tue 11/32:53 pm
MCI
- IDA
1 stop9h 49m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:54 pm
IDA
- STL
1 stop5h 03m
United Airlines
Tue 6/95:10 am
STL
- IDA
1 stop5h 40m
United Airlines
Deal found 5/20![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 5/24. 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.
Tue 7/147:00 pm
IDA
- MCI
1 stop4h 13m
Delta
Fri 7/176:00 pm
MCI
- IDA
1 stop5h 32m
Delta
Deal found 5/24![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 5/21. 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 8/2712:10 pm
IDA
- SGF
1 stop7h 33m
American Airlines
Sun 8/303:52 pm
SGF
- IDA
1 stop6h 28m
American Airlines
Deal found 5/21![American Airlines logo]()
$514
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 8/273:57 pm
IDA
- MCI
1 stop19h 41m
Alaska Airlines
Sun 8/302:48 pm
MCI
- IDA
1 stop23h 36m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:00 am
IDA
- MCI
2 stops10h 24m
United Airlines
Tue 11/36:00 am
MCI
- IDA
1 stop4h 28m
United Airlines
Deal found 5/20![United Airlines logo]()
$446
This Travelocity deal was found by Cheapflights users on 5/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:43 pm
IDA
- STL
1 stop9h 16m
Alaska Airlines
Thu 8/206:08 pm
STL
- IDA
1 stop20h 16m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$476
This Delta deal was found by Cheapflights users on 5/23. 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 8/187:00 pm
IDA
- STL
1 stop4h 41m
Delta
Thu 8/202:10 pm
STL
- IDA
2 stops9h 22m
Delta
Deal found 5/23![Delta logo]()
$569
This United Airlines deal was found by Cheapflights users on 5/23. 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.
Tue 7/74:14 pm
IDA
- MCI
1 stop6h 11m
United Airlines
Wed 7/156:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Deal found 5/23![United Airlines logo]()
$527
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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 9/86:18 am
IDA
- MCI
1 stop16h 41m
Alaska Airlines
Thu 9/172:53 pm
MCI
- IDA
1 stop23h 31m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 5/21. 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 8/155:53 pm
IDA
- SGF
1 stop4h 49m
United Airlines
Sun 8/239:00 am
SGF
- IDA
1 stop5h 29m
United Airlines
Deal found 5/21![United Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 5/22. 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 6/610:35 am
IDA
- STL
2 stops11h 54m
United Airlines
Wed 6/105:10 am
STL
- IDA
1 stop5h 40m
United Airlines
Deal found 5/22![United Airlines logo]()
$620
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:03 pm
IDA
- STL
1 stop23h 34m
Alaska Airlines
Tue 6/95:33 pm
STL
- IDA
2 stops23h 04m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:14 pm
IDA
- SGF
1 stop6h 28m
United Airlines
Wed 7/85:50 am
SGF
- IDA
1 stop5h 00m
United Airlines
Deal found 5/20![United Airlines logo]()
$672
This United Airlines deal was found by Cheapflights users on 5/22. 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.
Wed 7/14:14 pm
IDA
- STL
1 stop6h 43m
United Airlines
Sun 7/59:06 am
STL
- IDA
1 stop5h 19m
United Airlines
Deal found 5/22![United Airlines logo]()
$674
This Alaska Airlines deal was found by Cheapflights users on 5/22. 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 7/11:43 pm
IDA
- STL
1 stop9h 16m
Alaska Airlines
Sun 7/57:56 pm
STL
- IDA
2 stops18h 10m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/155:54 pm
IDA
- STL
1 stop5h 03m
United Airlines
Fri 6/195:10 am
STL
- IDA
1 stop5h 40m
United Airlines
Deal found 5/20![United Airlines logo]()
$683
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:43 pm
IDA
- STL
2 stops25h 54m
Alaska Airlines
Tue 7/145:37 pm
STL
- IDA
2 stops23h 00m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$819
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/151:43 pm
IDA
- STL
1 stop9h 16m
Alaska Airlines
Fri 6/197:56 pm
STL
- IDA
2 stops18h 10m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$832
This United Airlines deal was found by Cheapflights users on 5/21. 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 8/154:04 pm
IDA
- SGF
2 stops17h 44m
United Airlines
Mon 8/244:58 pm
SGF
- IDA
2 stops23h 25m
United Airlines
Deal found 5/21![United Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 5/19. 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 8/274:04 pm
IDA
- SGF
1 stop17h 33m
United Airlines
Sun 8/306:37 pm
SGF
- IDA
2 stops16h 14m
United Airlines
Deal found 5/19![United Airlines logo]()
$772
Last-minute flights from Idaho Falls to MissouriDiscover last-minute flight deals from Idaho Falls to Missouri. Data last updated May 24, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Missouri. Data last updated May 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/20. 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.
Thu 5/2111:30 am
IDA
- STL
1 stop6h 33m
Delta
Tue 5/261:59 pm
STL
- IDA
2 stops9h 43m
Delta
Deal found 5/20![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 5/19. 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 5/212:30 pm
IDA
- MCI
1 stop5h 13m
United Airlines
Mon 5/256:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Deal found 5/19![United Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/214:10 pm
IDA
- STL
1 stop6h 47m
United Airlines
Tue 5/265:10 am
STL
- IDA
1 stop5h 40m
United Airlines
Deal found 5/20![United Airlines logo]()
$569
This United Airlines deal was found by Cheapflights users on 5/22. 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 5/224:10 pm
IDA
- STL
1 stop6h 47m
United Airlines
Tue 5/265:10 am
STL
- IDA
1 stop5h 40m
United Airlines
Deal found 5/22![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 5/21. 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 5/2312:30 pm
IDA
- STL
1 stop5h 53m
United Airlines
Sun 5/246:00 am
STL
- IDA
2 stops8h 25m
United Airlines
Deal found 5/21![United Airlines logo]()
$480
This Expedia deal was found by Cheapflights users on 5/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:03 pm
IDA
- STL
1 stop23h 34m
Alaska Airlines
Tue 6/25:33 pm
STL
- IDA
1 stop20h 44m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 5/21. 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 5/296:54 pm
IDA
- MCI
1 stop4h 31m
Delta
Sun 5/316:40 am
MCI
- IDA
1 stop5h 07m
Delta
Deal found 5/21![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 5/21. 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 6/16:54 pm
IDA
- MCI
1 stop4h 31m
Delta
Sat 6/62:56 pm
MCI
- IDA
1 stop4h 18m
Delta
Deal found 5/21![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/42:30 pm
IDA
- MCI
1 stop5h 13m
United Airlines
Mon 6/86:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Deal found 5/20![United Airlines logo]()
$550
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:54 pm
IDA
- STL
1 stop5h 03m
United Airlines
Tue 6/95:10 am
STL
- IDA
1 stop5h 40m
United Airlines
Deal found 5/20![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 5/23. 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 6/85:54 pm
IDA
- MCI
1 stop4h 31m
United Airlines
Fri 6/126:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Deal found 5/23![United Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 5/19. 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 6/177:00 pm
IDA
- MCI
1 stop4h 18m
Delta
Wed 6/247:02 am
MCI
- IDA
1 stop4h 41m
Delta
Deal found 5/19![Delta logo]()
$454
One-way flights from Idaho Falls to MissouriSearch for one-way flight options from Idaho Falls to Missouri. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
Search for one-way flight options from Idaho Falls to Missouri. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
This deal was found by Cheapflights users on 5/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:54 pm
IDA
- MCI
1 stop4h 31m
Delta
Deal found 5/23![Delta logo]()
$230
This KAYAK deal was found by Cheapflights users on 5/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:08 pm
IDA
- STL
1 stop6h 34m
American Airlines
Deal found 5/21![American Airlines logo]()
$248
This deal was found by Cheapflights users on 5/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:54 pm
IDA
- MCI
1 stop4h 31m
United Airlines
Deal found 5/23![United Airlines logo]()
$270
This deal was found by Cheapflights users on 5/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:54 pm
IDA
- MCI
1 stop4h 31m
United Airlines
Deal found 5/23![United Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 5/20. 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.
Mon 6/297:00 pm
IDA
- STL
1 stop4h 43m
Delta
Deal found 5/20![Delta logo]()
$405
This deal was found by Cheapflights users on 5/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:54 pm
IDA
- MCI
1 stop4h 31m
Delta
Deal found 5/23![Delta logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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.
Mon 6/154:14 pm
IDA
- MCI
2 stops25h 47m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/292:30 pm
IDA
- STL
2 stops7h 59m
United Airlines
Deal found 5/20![United Airlines logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Mon 6/294:14 pm
IDA
- STL
3 stops44h 38m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$1,404
Find flight deals from Idaho Falls to Missouri
Keep the following information in mind while searching for Idaho Falls to Missouri flight deals. Data was last updated May 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Alaska Airlines) |
One-way from | $230 |
Popular in | March |
Cheapest in | September |
Average price | $443 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to Missouri 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 May 24, 2026.
Use the filters below to find and compare flights from Idaho Falls to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Sat 10/31
6:09 am-2:17 pm
1 stop7h 08m
Kansas City
Tue 11/3
2:53 pm-11:42 pm
1 stop9h 49m
$319
Idaho FallsSt. Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Fri 6/5
5:54 pm-11:57 pm
1 stop5h 03m
Lambert-St Louis
Tue 6/9
5:10 am-9:50 am
1 stop5h 40m
$369
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Thu 8/27
3:57 pm-12:38 pm
1 stop19h 41m
Kansas City
Sun 8/30
2:48 pm-1:24 pm
1 stop23h 36m
$419
Quickest round-trip
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Tue 7/14
7:00 pm-12:13 am
1 stop4h 13m
Kansas City
Fri 7/17
6:00 pm-10:32 pm
1 stop5h 32m
$424
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Sat 10/31
5:00 am-4:24 pm
2 stops10h 24m
Kansas City
Tue 11/3
6:00 am-9:28 am
1 stop4h 28m
$446
Idaho FallsSt. Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Tue 8/18
1:43 pm-11:59 pm
1 stop9h 16m
Lambert-St Louis
Thu 8/20
6:08 pm-1:24 pm
1 stop20h 16m
$476
Idaho FallsSpringfield
IDA - SGF
IDASGF
Idaho Falls Fanning Field
Thu 8/27
12:10 pm-8:43 pm
1 stop7h 33m
Springfield-Branson
Sun 8/30
3:52 pm-9:20 pm
1 stop6h 28m
$514
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Tue 9/8
6:18 am-11:59 pm
1 stop16h 41m
Kansas City
Thu 9/17
2:53 pm-1:24 pm
1 stop23h 31m
$521
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Tue 7/7
4:14 pm-11:25 pm
1 stop6h 11m
Kansas City
Wed 7/15
6:00 am-9:50 am
1 stop4h 50m
$527
Idaho FallsSt. Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Tue 8/18
7:00 pm-12:41 am
1 stop4h 41m
Lambert-St Louis
Thu 8/20
2:10 pm-10:32 pm
2 stops9h 22m
$569
Showing 1-10 of 28 resultsSorted by cheapest first
Best time to book a flight from Idaho Falls to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Idaho Falls with our price prediction graph.
IDA-STL
IDA-MCI
IDA-SGF
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 Idaho Falls to Missouri
IDA-USMO
IDA-STL
IDA-MCI
IDA-SGF
What is the cheapest month to book a flight from Idaho Falls to Missouri?
Currently, March is the cheapest month in which you can book a flight from Idaho Falls to Missouri (average of $150). Flying from Idaho Falls to Missouri in January is currently the most expensive (average of $440). 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.
How much does it cost to fly round-trip from Idaho Falls to Missouri?
Reviews of airlines servicing Missouri
Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated May 24, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Idaho Falls to Missouri have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Food
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls to Missouri. 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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Idaho Falls and Missouri flights
Browse other Idaho Falls and Missouri flight options. Last updated on May 24, 2026.
Popular flight searches
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Idaho Falls to Missouri flights
Consider these flights traveling from Idaho Falls to Missouri.
Top 4 airlines flying from Idaho Falls to Missouri
Discover the top 4 airlines that operate flights from Idaho Falls to Missouri. 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 May 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$150 | Average$443 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$308 | Average$556 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$350 | Average$430 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$389 | Average$499 | FlexibilityNo cancel fee | On-time75% |