$161+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — STL
May 9 — May 161
Round-trip
1 adult, Economy
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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 April 9, 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 April 9, 2026.
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Sun 5/35:26 pm
IDA
- MCI
1 stop5h 33m
United Airlines
Sun 5/106:00 am
MCI
- IDA
1 stop4h 55m
United Airlines
Deal found 4/4![United Airlines logo]()
$339
This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:03 pm
IDA
- STL
1 stop23h 34m
Alaska Airlines
Mon 6/15:33 pm
STL
- IDA
1 stop20h 44m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/285:20 pm
IDA
- MCI
1 stop5h 12m
United Airlines
Tue 5/56:00 am
MCI
- IDA
1 stop4h 55m
United Airlines
Deal found 4/8![United Airlines logo]()
$374
This Expedia deal was found by Cheapflights users on 4/4. 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.
Wed 6/34:03 pm
IDA
- MCI
1 stop23h 54m
Alaska Airlines
Sat 6/65:52 pm
MCI
- IDA
1 stop20h 25m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 4/8. 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 6/167:07 pm
IDA
- MCI
1 stop4h 11m
Delta
Tue 6/237:02 am
MCI
- IDA
1 stop4h 41m
Delta
Deal found 4/8![Delta logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Sun 5/35:46 pm
IDA
- MCI
2 stops18h 44m
Multiple Airlines
Sun 5/107:03 pm
MCI
- IDA
1 stop21h 24m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 4/7. 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 6/302:30 pm
IDA
- MCI
1 stop5h 13m
United Airlines
Wed 7/16:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Deal found 4/7![United Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 9/115:37 pm
IDA
- SGF
1 stop17h 25m
Allegiant Air
Sun 9/201:12 pm
SGF
- IDA
1 stop6h 48m
Allegiant Air
Deal found 4/8![Allegiant Air logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Wed 9/911:46 am
IDA
- SGF
1 stop23h 36m
Allegiant Air
Sun 9/201:12 pm
SGF
- IDA
1 stop6h 48m
Allegiant Air
Deal found 4/8![Allegiant Air logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 9/115:37 pm
IDA
- SGF
1 stop17h 25m
Allegiant Air
Thu 9/171:12 pm
SGF
- IDA
1 stop6h 48m
Allegiant Air
Deal found 4/8![Allegiant Air logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 9/81:45 pm
IDA
- MCI
1 stop9h 14m
Alaska Airlines
Thu 9/171:32 pm
MCI
- IDA
1 stop10h 24m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$439
This Orbitz deal was found by Cheapflights users on 4/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
IDA
- MCI
2 stops9h 17m
Alaska Airlines
Tue 5/125:11 pm
MCI
- IDA
1 stop21h 06m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$446
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 April 9, 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 April 9, 2026.
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Sun 5/35:26 pm
IDA
- MCI
1 stop5h 33m
United Airlines
Sun 5/106:00 am
MCI
- IDA
1 stop4h 55m
United Airlines
Deal found 4/4![United Airlines logo]()
$339
This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:03 pm
IDA
- STL
1 stop23h 34m
Alaska Airlines
Mon 6/15:33 pm
STL
- IDA
1 stop20h 44m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:58 pm
IDA
- STL
2 stops12h 32m
Delta
Fri 4/176:45 pm
STL
- IDA
1 stop4h 55m
Delta
Deal found 4/5![Delta logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Thu 5/74:06 pm
IDA
- MCI
1 stop6h 53m
Alaska Airlines
Thu 5/145:52 pm
MCI
- IDA
1 stop20h 25m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 4/8. 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 8/124:10 pm
IDA
- MCI
1 stop6h 15m
United Airlines
Sat 8/156:00 am
MCI
- IDA
1 stop4h 53m
United Airlines
Deal found 4/8![United Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 4/4. 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 6/33:16 pm
IDA
- MCI
2 stops7h 00m
Delta
Sat 6/66:40 am
MCI
- IDA
1 stop5h 07m
Delta
Deal found 4/4![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 4/4. 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 6/184:10 pm
IDA
- MCI
1 stop6h 15m
United Airlines
Sat 6/206:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Deal found 4/4![United Airlines logo]()
$488
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 9/81:45 pm
IDA
- MCI
1 stop9h 14m
Alaska Airlines
Thu 9/177:00 am
MCI
- IDA
2 stops31h 08m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 4/4. 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 4/196:58 pm
IDA
- STL
2 stops12h 32m
Delta
Thu 4/236:45 pm
STL
- IDA
1 stop4h 55m
Delta
Deal found 4/4![Delta logo]()
$534
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/35:26 pm
IDA
- MCI
1 stop5h 33m
United Airlines
Fri 5/81:50 pm
MCI
- IDA
1 stop21h 05m
United Airlines
Deal found 4/5![United Airlines logo]()
$522
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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.
Sun 5/34:06 pm
IDA
- MCI
1 stop6h 53m
Alaska Airlines
Fri 5/85:11 pm
MCI
- IDA
2 stops30h 29m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$526
This Delta deal was found by Cheapflights users on 4/7. 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 7/67:07 pm
IDA
- STL
1 stop4h 32m
Delta
Thu 7/98:00 am
STL
- IDA
1 stop7h 41m
Delta
Deal found 4/7![Delta logo]()
$565
This United Airlines deal was found by Cheapflights users on 4/7. 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 7/75:54 pm
IDA
- STL
1 stop5h 03m
United Airlines
Thu 7/95:10 am
STL
- IDA
1 stop5h 40m
United Airlines
Deal found 4/7![United Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 4/7. 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 7/73:25 pm
IDA
- STL
2 stops6h 57m
Delta
Fri 7/107:54 pm
STL
- IDA
1 stop19h 47m
Delta
Deal found 4/7![Delta logo]()
$574
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:58 pm
IDA
- STL
2 stops12h 32m
Delta
Sun 4/266:45 pm
STL
- IDA
1 stop4h 55m
Delta
Deal found 4/6![Delta logo]()
$584
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 4/146:00 am
IDA
- STL
1 stop7h 51m
Alaska Airlines
Fri 4/174:20 pm
STL
- IDA
1 stop7h 32m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$649
This United Airlines deal was found by Cheapflights users on 4/7. 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 7/75:54 pm
IDA
- STL
1 stop5h 03m
United Airlines
Fri 7/105:10 am
STL
- IDA
1 stop5h 40m
United Airlines
Deal found 4/7![United Airlines logo]()
$601
This Delta deal was found by Cheapflights users on 4/7. 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 7/67:07 pm
IDA
- STL
1 stop4h 32m
Delta
Fri 7/107:54 pm
STL
- IDA
1 stop15h 50m
Delta
Deal found 4/7![Delta logo]()
$633
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:31 pm
IDA
- SGF
1 stop5h 11m
United Airlines
Mon 5/411:23 am
SGF
- IDA
1 stop23h 32m
United Airlines
Deal found 4/5![United Airlines logo]()
$654
This Delta deal was found by Cheapflights users on 4/7. 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 7/73:25 pm
IDA
- STL
2 stops6h 57m
Delta
Mon 7/137:54 pm
STL
- IDA
1 stop19h 47m
Delta
Deal found 4/7![Delta logo]()
$634
This United Airlines deal was found by Cheapflights users on 4/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:31 pm
IDA
- SGF
1 stop5h 11m
United Airlines
Mon 5/111:35 pm
SGF
- IDA
1 stop21h 20m
United Airlines
Deal found 4/5![United Airlines logo]()
$773
Last-minute flights from Idaho Falls to MissouriDiscover last-minute flight deals from Idaho Falls to Missouri. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Missouri. Data last updated April 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:58 pm
IDA
- STL
2 stops12h 32m
Delta
Fri 4/176:45 pm
STL
- IDA
1 stop4h 55m
Delta
Deal found 4/5![Delta logo]()
$484
This Delta deal was found by Cheapflights users on 4/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:58 pm
IDA
- STL
2 stops12h 32m
Delta
Thu 4/166:45 pm
STL
- IDA
1 stop4h 55m
Delta
Deal found 4/5![Delta logo]()
$520
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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 4/156:00 am
IDA
- MCI
1 stop6h 29m
Alaska Airlines
Fri 4/242:58 pm
MCI
- IDA
1 stop8h 42m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$485
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:20 pm
IDA
- MCI
1 stop5h 12m
United Airlines
Sat 4/258:00 am
MCI
- IDA
2 stops9h 14m
United Airlines
Deal found 4/6![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/285:20 pm
IDA
- MCI
1 stop5h 12m
United Airlines
Tue 5/56:00 am
MCI
- IDA
1 stop4h 55m
United Airlines
Deal found 4/8![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/302:31 pm
IDA
- STL
1 stop5h 12m
United Airlines
Sat 5/99:00 am
STL
- IDA
2 stops13h 03m
United Airlines
Deal found 4/8![United Airlines logo]()
$493
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/302:31 pm
IDA
- STL
1 stop5h 12m
United Airlines
Fri 5/88:46 am
STL
- IDA
1 stop7h 57m
United Airlines
Deal found 4/8![United Airlines logo]()
$502
This United Airlines deal was found by Cheapflights users on 4/4. 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.
Sun 5/35:26 pm
IDA
- MCI
1 stop5h 33m
United Airlines
Sun 5/106:00 am
MCI
- IDA
1 stop4h 55m
United Airlines
Deal found 4/4![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Sun 5/35:46 pm
IDA
- MCI
2 stops18h 44m
Multiple Airlines
Sun 5/107:03 pm
MCI
- IDA
1 stop21h 24m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$405
This Orbitz deal was found by Cheapflights users on 4/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
IDA
- MCI
2 stops9h 17m
Alaska Airlines
Tue 5/125:11 pm
MCI
- IDA
1 stop21h 06m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$446
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Thu 5/74:06 pm
IDA
- MCI
1 stop6h 53m
Alaska Airlines
Thu 5/145:52 pm
MCI
- IDA
1 stop20h 25m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$379
This Expedia deal was found by Cheapflights users on 4/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:03 pm
IDA
- STL
1 stop23h 34m
Alaska Airlines
Mon 6/15:33 pm
STL
- IDA
1 stop20h 44m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$369
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 April 9, 2026.
Search for one-way flight options from Idaho Falls to Missouri. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 6/510:56 pm
IDA
- MCI
2 stops13h 53m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$161
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 6/51:54 pm
IDA
- MCI
1 stop8h 55m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$170
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/305:26 pm
IDA
- MCI
1 stop5h 33m
United Airlines
Deal found 4/8![United Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 4/1710:21 pm
IDA
- STL
2 stops20h 11m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 4/1310:21 pm
IDA
- STL
2 stops47h 58m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$228
This American Airlines deal was found by Cheapflights users on 4/4. 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.
Sat 5/232:08 pm
IDA
- MCI
1 stop6h 52m
American Airlines
Deal found 4/4![American Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 4/8. 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 4/172:30 pm
IDA
- STL
1 stop5h 24m
United Airlines
Deal found 4/8![United Airlines logo]()
$250
This Delta deal was found by Cheapflights users on 4/8. 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 4/185:47 am
IDA
- STL
2 stops10h 03m
Delta
Deal found 4/8![Delta logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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 5/234:03 pm
IDA
- MCI
2 stops20h 54m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Thu 4/305:46 pm
IDA
- MCI
3 stops43h 20m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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 4/304:06 pm
IDA
- MCI
2 stops23h 11m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 4/4. 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.
Mon 4/131:43 pm
IDA
- STL
1 stop8h 13m
American Airlines
Deal found 4/4![American Airlines logo]()
$558
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 April 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (United Airlines) |
One-way from | $161 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $503 |
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 April 9, 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
Quickest round-trip
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Sun 5/3
5:26 pm-11:59 pm
1 stop5h 33m
Kansas City
Sun 5/10
6:00 am-9:55 am
1 stop4h 55m
$339
Idaho FallsSt. Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Thu 5/28
4:03 pm-4:37 pm
1 stop23h 34m
Lambert-St Louis
Mon 6/1
5:33 pm-1:17 pm
1 stop20h 44m
$369
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Thu 5/7
4:06 pm-11:59 pm
1 stop6h 53m
Kansas City
Thu 5/14
5:52 pm-1:17 pm
1 stop20h 25m
$379
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Wed 8/12
4:10 pm-11:25 pm
1 stop6h 15m
Kansas City
Sat 8/15
6:00 am-9:53 am
1 stop4h 53m
$450
Idaho FallsSt. Louis
IDA - STL
IDASTL
Idaho Falls Fanning Field
Wed 4/15
6:58 pm-8:30 am
2 stops12h 32m
Lambert-St Louis
Fri 4/17
6:45 pm-10:40 pm
1 stop4h 55m
$484
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Thu 6/18
4:10 pm-11:25 pm
1 stop6h 15m
Kansas City
Sat 6/20
6:00 am-9:50 am
1 stop4h 50m
$488
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Tue 9/8
1:45 pm-11:59 pm
1 stop9h 14m
Kansas City
Thu 9/17
7:00 am-1:08 pm
2 stops31h 08m
$501
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Sun 5/3
5:26 pm-11:59 pm
1 stop5h 33m
Kansas City
Fri 5/8
1:50 pm-9:55 am
1 stop21h 05m
$522
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Wed 6/3
3:16 pm-11:16 pm
2 stops7h 00m
Kansas City
Sat 6/6
6:40 am-10:47 am
1 stop5h 07m
$524
Idaho FallsKansas City
IDA - MCI
IDAMCI
Idaho Falls Fanning Field
Sun 5/3
4:06 pm-11:59 pm
1 stop6h 53m
Kansas City
Fri 5/8
5:11 pm-10:40 pm
2 stops30h 29m
$526
Showing 1-10 of 34 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-MCI
IDA-STL
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-MCI
IDA-STL
IDA-SGF
What is the cheapest month to book a flight from Idaho Falls to Missouri?
Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Missouri (average of $181). Flying from Idaho Falls to Missouri in December is currently the most expensive (average of $380). 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 April 9, 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.
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Comfort
7.8
Entertainment
7.0
Overall
7.9
Boarding
8.1
Crew
8.5
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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Alternative routes for Idaho Falls to Missouri
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Complete your trip
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Idaho Falls and Missouri flights
Browse other Idaho Falls and Missouri flight options. Last updated on April 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$452 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$350 | Average$430 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$560 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$389 | Average$499 | FlexibilityNo cancel fee | On-time75% |