$103+ Cheap flights from Boston (BOS) 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MCI
Aug 12 — Aug 191
Round-trip
1 adult, Economy
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Cheapest flights from Boston to MissouriExplore the most affordable flight options available from Boston to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
Explore the most affordable flight options available from Boston to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Tue 8/1812:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Fri 8/2111:26 am
MCI
- BOS
2 stops20h 43m
Frontier
Deal found 7/11![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/1211:59 am
BOS
- MCI
1 stop6h 11m
Frontier
Mon 8/176:17 pm
MCI
- BOS
1 stop16h 30m
Frontier
Deal found 7/8![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 10/1512:34 pm
BOS
- MCI
1 stop20h 52m
Multiple Airlines
Mon 10/196:11 pm
MCI
- BOS
1 stop15h 41m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Sat 8/158:37 am
BOS
- MCI
2 stops9h 33m
Frontier
Mon 8/176:17 pm
MCI
- BOS
1 stop16h 30m
Frontier
Deal found 7/11![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 10/1812:34 pm
BOS
- MCI
1 stop20h 52m
Multiple Airlines
Wed 10/216:11 pm
MCI
- BOS
2 stops15h 21m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Sat 8/18:37 am
BOS
- MCI
2 stops9h 33m
Frontier
Mon 8/36:09 pm
MCI
- BOS
1 stop15h 48m
Frontier
Deal found 7/9![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 7/298:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Wed 8/126:17 pm
MCI
- BOS
1 stop15h 40m
Frontier
Deal found 7/8![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/3012:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Wed 9/211:26 am
MCI
- BOS
1 stop20h 15m
Frontier
Deal found 7/11![Frontier logo]()
$282
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/201:01 pm
BOS
- COU
1 stop6h 02m
American Airlines
Wed 8/2612:43 pm
COU
- BOS
1 stop6h 07m
American Airlines
Deal found 7/10![American Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 7/10. 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 8/206:42 pm
BOS
- COU
1 stop5h 13m
United Airlines
Wed 8/2610:55 am
COU
- BOS
2 stops10h 04m
United Airlines
Deal found 7/10![United Airlines logo]()
$314
This American Airlines deal was found by Cheapflights users on 7/11. 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 9/102:58 pm
BOS
- SGF
1 stop8h 34m
American Airlines
Mon 9/143:45 pm
SGF
- BOS
1 stop7h 14m
American Airlines
Deal found 7/11![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 9/37:05 am
BOS
- JLN
1 stop7h 13m
United Airlines
Thu 9/101:53 pm
JLN
- BOS
2 stops10h 17m
United Airlines
Deal found 7/7![United Airlines logo]()
$334
Best flights from Boston to MissouriDiscover carefully curated flight deals from Boston to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
Discover carefully curated flight deals from Boston to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
This Delta deal was found by Cheapflights users on 7/8. 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.
Mon 9/286:10 am
BOS
- MCI
Nonstop3h 23m
Delta
Fri 10/27:30 pm
MCI
- BOS
Nonstop3h 11m
Delta
Deal found 7/8![Delta logo]()
$332
This Southwest deal was found by Cheapflights users on 7/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/179:40 am
BOS
- STL
2 stops6h 30m
Southwest
Thu 8/204:15 pm
STL
- BOS
1 stop4h 55m
Southwest
Deal found 7/11![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 7/12. 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 9/46:42 pm
BOS
- COU
1 stop5h 13m
United Airlines
Tue 9/86:15 am
COU
- BOS
2 stops9h 33m
United Airlines
Deal found 7/12![United Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 7/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:14 am
BOS
- COU
1 stop6h 59m
American Airlines
Thu 8/136:00 am
COU
- BOS
1 stop8h 03m
American Airlines
Deal found 7/7![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 7/7. 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.
Fri 8/145:30 am
BOS
- STL
1 stop5h 07m
Delta
Mon 8/176:25 pm
STL
- BOS
1 stop4h 34m
Delta
Deal found 7/7![Delta logo]()
$340
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:25 am
BOS
- MCI
1 stop5h 10m
Southwest
Tue 10/1311:45 am
MCI
- BOS
2 stops8h 30m
Southwest
Deal found 7/8![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:10 am
BOS
- MCI
Nonstop3h 35m
Delta
Mon 11/27:30 pm
MCI
- BOS
Nonstop3h 09m
Delta
Deal found 7/11![Delta logo]()
$345
This United Airlines deal was found by Cheapflights users on 7/8. 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 9/412:41 pm
BOS
- MCI
2 stops7h 51m
United Airlines
Mon 9/75:08 pm
MCI
- BOS
1 stop5h 27m
United Airlines
Deal found 7/8![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:55 pm
BOS
- STL
1 stop7h 10m
Southwest
Sun 9/612:45 pm
STL
- BOS
Nonstop2h 35m
Southwest
Deal found 7/10![Southwest logo]()
$361
This Delta deal was found by Cheapflights users on 7/10. 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 8/56:10 am
BOS
- MCI
Nonstop3h 31m
Delta
Fri 8/79:40 am
MCI
- BOS
Nonstop3h 04m
Delta
Deal found 7/10![Delta logo]()
$353
This United Airlines deal was found by Cheapflights users on 7/11. 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 8/259:00 am
BOS
- COU
1 stop6h 30m
United Airlines
Sat 8/2910:55 am
COU
- BOS
1 stop5h 41m
United Airlines
Deal found 7/11![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 7/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:45 am
BOS
- MCI
1 stop5h 35m
Southwest
Fri 9/112:00 pm
MCI
- BOS
1 stop4h 40m
Southwest
Deal found 7/11![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 7/12. 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 8/156:00 pm
BOS
- STL
1 stop6h 38m
United Airlines
Wed 8/198:40 am
STL
- BOS
2 stops7h 02m
United Airlines
Deal found 7/12![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:20 am
BOS
- STL
Nonstop3h 05m
Southwest
Wed 11/181:20 pm
STL
- BOS
Nonstop2h 25m
Southwest
Deal found 7/8![Southwest logo]()
$366
This Delta deal was found by Cheapflights users on 7/9. 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 9/246:10 am
BOS
- MCI
Nonstop3h 23m
Delta
Sun 9/279:30 am
MCI
- BOS
Nonstop3h 13m
Delta
Deal found 7/9![Delta logo]()
$390
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:00 am
BOS
- STL
Nonstop2h 50m
Southwest
Sun 8/98:20 am
STL
- BOS
Nonstop2h 35m
Southwest
Deal found 7/8![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 7/8. 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 7/307:19 am
BOS
- JLN
1 stop7h 03m
United Airlines
Wed 8/58:54 am
JLN
- BOS
1 stop7h 37m
United Airlines
Deal found 7/8![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 7/11. 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 9/57:55 am
BOS
- MCI
1 stop7h 59m
Delta
Fri 9/116:30 pm
MCI
- BOS
Nonstop3h 12m
Delta
Deal found 7/11![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 7/12. 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 8/255:01 pm
BOS
- SGF
1 stop7h 18m
United Airlines
Sat 8/295:30 am
SGF
- BOS
2 stops12h 49m
United Airlines
Deal found 7/12![United Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:50 am
BOS
- STL
1 stop7h 25m
Southwest
Wed 10/148:30 am
STL
- BOS
2 stops7h 40m
Southwest
Deal found 7/9![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 7/9. 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 9/256:10 am
BOS
- MCI
Nonstop3h 23m
Delta
Sat 10/310:31 am
MCI
- BOS
1 stop4h 36m
Delta
Deal found 7/9![Delta logo]()
$428
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:05 pm
BOS
- STL
2 stops7h 00m
Southwest
Tue 10/208:30 am
STL
- BOS
2 stops7h 40m
Southwest
Deal found 7/9![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 7/12. 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 8/203:10 pm
BOS
- MCI
1 stop9h 20m
United Airlines
Mon 8/247:30 am
MCI
- BOS
1 stop5h 37m
United Airlines
Deal found 7/12![United Airlines logo]()
$455
This Southwest deal was found by Cheapflights users on 7/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:40 pm
BOS
- STL
2 stops7h 30m
Southwest
Sun 9/279:55 am
STL
- BOS
2 stops9h 30m
Southwest
Deal found 7/11![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 7/11. 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 7/257:19 am
BOS
- SGF
1 stop8h 13m
United Airlines
Thu 7/306:34 pm
SGF
- BOS
1 stop5h 40m
United Airlines
Deal found 7/11![United Airlines logo]()
$464
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:35 am
BOS
- STL
2 stops7h 00m
Southwest
Mon 10/264:30 pm
STL
- BOS
2 stops6h 35m
Southwest
Deal found 7/7![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 7/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:50 am
BOS
- STL
1 stop6h 00m
Southwest
Sat 8/154:15 pm
STL
- BOS
Nonstop2h 35m
Southwest
Deal found 7/11![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 7/10. 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 10/16:43 pm
BOS
- SGF
1 stop5h 35m
United Airlines
Mon 10/53:07 pm
SGF
- BOS
2 stops8h 02m
United Airlines
Deal found 7/10![United Airlines logo]()
$550
This KAYAK deal was found by Cheapflights users on 7/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:15 am
BOS
- SGF
1 stop5h 25m
Delta
Thu 7/306:53 pm
SGF
- BOS
1 stop5h 27m
Delta
Deal found 7/8![Delta logo]()
$622
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:45 pm
BOS
- MCI
Nonstop3h 30m
Southwest
Sun 10/410:40 am
MCI
- BOS
2 stops7h 30m
Southwest
Deal found 7/9![Southwest logo]()
$449
Last-minute flights from Boston to MissouriDiscover last-minute flight deals from Boston to Missouri. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Missouri. Data last updated July 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 7/298:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Wed 8/126:17 pm
MCI
- BOS
1 stop15h 40m
Frontier
Deal found 7/8![Frontier logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Sat 8/18:37 am
BOS
- MCI
2 stops9h 33m
Frontier
Mon 8/36:09 pm
MCI
- BOS
1 stop15h 48m
Frontier
Deal found 7/9![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/611:59 am
BOS
- STL
2 stops13h 00m
Frontier
Mon 8/104:57 pm
STL
- BOS
1 stop17h 00m
Frontier
Deal found 7/8![Frontier logo]()
$336
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:55 pm
BOS
- STL
1 stop11h 50m
Southwest
Mon 8/102:45 pm
STL
- BOS
2 stops6h 25m
Southwest
Deal found 7/8![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 7/8. 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.
Mon 8/106:10 am
BOS
- MCI
Nonstop3h 31m
Delta
Mon 8/177:40 pm
MCI
- BOS
Nonstop3h 10m
Delta
Deal found 7/8![Delta logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/1211:59 am
BOS
- MCI
1 stop6h 11m
Frontier
Mon 8/176:17 pm
MCI
- BOS
1 stop16h 30m
Frontier
Deal found 7/8![Frontier logo]()
$258
This Delta deal was found by Cheapflights users on 7/10. 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 8/133:14 pm
BOS
- SGF
1 stop8h 07m
Delta
Wed 8/196:58 pm
SGF
- BOS
1 stop5h 27m
Delta
Deal found 7/10![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Sat 8/158:37 am
BOS
- MCI
2 stops9h 33m
Frontier
Mon 8/176:17 pm
MCI
- BOS
1 stop16h 30m
Frontier
Deal found 7/11![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Tue 8/1812:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Fri 8/2111:26 am
MCI
- BOS
2 stops20h 43m
Frontier
Deal found 7/11![Frontier logo]()
$257
This American Airlines deal was found by Cheapflights users on 7/10. 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 8/201:01 pm
BOS
- COU
1 stop6h 02m
American Airlines
Wed 8/2612:43 pm
COU
- BOS
1 stop6h 07m
American Airlines
Deal found 7/10![American Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 7/10. 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 8/206:42 pm
BOS
- COU
1 stop5h 13m
United Airlines
Wed 8/2610:55 am
COU
- BOS
2 stops10h 04m
United Airlines
Deal found 7/10![United Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/3012:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Wed 9/211:26 am
MCI
- BOS
1 stop20h 15m
Frontier
Deal found 7/11![Frontier logo]()
$282
One-way flights from Boston to MissouriSearch for one-way flight options from Boston to Missouri. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
Search for one-way flight options from Boston to Missouri. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 10/2212:34 pm
BOS
- MCI
1 stop22h 32m
Allegiant Air
Deal found 7/12![Allegiant Air logo]()
$103
This Priceline deal was found by Cheapflights users on 7/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:52 am
BOS
- STL
1 stop6h 45m
Frontier
Deal found 7/10![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 10/112:34 pm
BOS
- MCI
1 stop21h 12m
Allegiant Air
Deal found 7/8![Allegiant Air logo]()
$109
This Expedia deal was found by Cheapflights users on 7/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:04 am
BOS
- STL
1 stop14h 55m
Frontier
Deal found 7/8![Frontier logo]()
$113
This Trip.com deal was found by Cheapflights users on 7/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:36 am
BOS
- STL
1 stop8h 46m
Frontier
Deal found 7/10![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 10/1812:34 pm
BOS
- MCI
1 stop20h 52m
Allegiant Air
Deal found 7/10![Allegiant Air logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Tue 10/2712:35 pm
BOS
- MCI
1 stop27h 42m
Frontier
Deal found 7/8![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Sat 9/512:45 pm
BOS
- STL
1 stop29h 37m
Frontier
Deal found 7/8![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/2012:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Deal found 7/9![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Tue 9/812:45 pm
BOS
- STL
1 stop21h 55m
Frontier
Deal found 7/8![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/9. 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.
Tue 8/2512:45 pm
BOS
- MCI
1 stop22h 56m
Frontier
Deal found 7/9![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 7/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:28 am
BOS
- MCI
1 stop6h 48m
Frontier
Deal found 7/10![Frontier logo]()
$125
Find flight deals from Boston to Missouri
Keep the following information in mind while searching for Boston to Missouri flight deals. Data was last updated July 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Kiwi.com) |
One-way from | $103 (Kiwi.com) |
Popular in | July |
Cheapest in | August |
Average price | $566 |
Good round-trip deal | $396 or less |
Good one-way deal | $215 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 July 13, 2026.
Use the filters below to find and compare flights from Boston to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonKansas City
BOS - MCI
BOSMCI
Boston Logan Intl
Mon 9/28
6:10 am-8:33 am
Nonstop3h 23m
Kansas City
Fri 10/2
7:30 pm-11:41 pm
Nonstop3h 11m
$332
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Fri 8/14
5:30 am-9:37 am
1 stop5h 07m
Lambert-St Louis
Mon 8/17
6:25 pm-11:59 pm
1 stop4h 34m
$340
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Mon 8/17
9:40 am-3:10 pm
2 stops6h 30m
Lambert-St Louis
Thu 8/20
4:15 pm-10:10 pm
1 stop4h 55m
$342
BostonKansas City
BOS - MCI
BOSMCI
Boston Logan Intl
Mon 11/2
6:10 am-8:45 am
Nonstop3h 35m
Kansas City
Mon 11/2
7:30 pm-11:39 pm
Nonstop3h 09m
$345
BostonColumbia
BOS - COU
BOSCOU
Boston Logan Intl
Fri 9/4
6:42 pm-10:55 pm
1 stop5h 13m
Columbia Regional
Tue 9/8
6:15 am-4:48 pm
2 stops9h 33m
$346
BostonKansas City
BOS - MCI
BOSMCI
Boston Logan Intl
Wed 8/5
6:10 am-8:41 am
Nonstop3h 31m
Kansas City
Fri 8/7
9:40 am-1:44 pm
Nonstop3h 04m
$353
BostonKansas City
BOS - MCI
BOSMCI
Boston Logan Intl
Fri 10/9
5:25 am-9:35 am
1 stop5h 10m
Kansas City
Tue 10/13
11:45 am-9:15 pm
2 stops8h 30m
$359
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Thu 9/3
3:55 pm-10:05 pm
1 stop7h 10m
Lambert-St Louis
Sun 9/6
12:45 pm-4:20 pm
Nonstop2h 35m
$361
BostonKansas City
BOS - MCI
BOSMCI
Boston Logan Intl
Sat 9/5
10:45 am-3:20 pm
1 stop5h 35m
Kansas City
Fri 9/11
2:00 pm-7:40 pm
1 stop4h 40m
$365
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Sun 11/15
5:20 am-7:25 am
Nonstop3h 05m
Lambert-St Louis
Wed 11/18
1:20 pm-4:45 pm
Nonstop2h 25m
$366
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Boston with our price prediction graph.
BOS-MCI
BOS-STL
BOS-COU
BOS-JLN
BOS-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 Boston to Missouri
BOS-USMO
BOS-MCI
BOS-STL
BOS-COU
BOS-JLN
What is the cheapest month to book a flight from Boston to Missouri?
Currently, August is the cheapest month in which you can book a flight from Boston to Missouri (average of $63). Flying from Boston to Missouri in April is currently the most expensive (average of $218). 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.
What is the cheapest time of day to fly from BOS to MO?
Find hourly flight availability from Boston to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 13, 2026.
It’s optimal to fly from Boston to Missouri in the evening. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the afternoon.
Weekly flight availability from Boston to Missouri
Explore weekly flight availability from Boston to Missouri. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 13, 2026.
The most flights from BOS to USMO are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Boston to Missouri?
How far ahead should I book a flight from Boston to Missouri?
The price you pay for your flight from Boston to Missouri may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Boston to Missouri?
Use this chart to determine the cheapest time to fly round-trip from Boston to Missouri. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their Boston to Missouri flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 July 13, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Boston to Missouri. 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
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Boston 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 Boston to Missouri
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Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Missouri by cabin class
Find flights from Boston to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Missouri flights
Browse other Boston and Missouri flight options. Last updated on July 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Missouri flights
Consider these flights traveling from Boston to Missouri.
Top 6 airlines flying from Boston to Missouri
Discover the top 6 airlines that operate flights from Boston 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 July 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$252 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$133 | Average$504 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$198 | Average$467 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$198 | Average$474 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$309 | Average$489 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$327 | Average$439 | FlexibilityNo cancel fee | On-time62% |