$123+ Cheap flights from Missouri to Boston (BOS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
Nov 14 — Nov 211
Round-trip
1 adult, Economy
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Cheapest flights from Missouri to BostonExplore the most affordable flight options available from Missouri to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
Explore the most affordable flight options available from Missouri to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.
This Delta deal was found by Cheapflights users on 10/13. 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 12/49:55 am -
Nonstop2h 54m
Mon 12/76:10 pm -
1 stop6h 18m
Deal found 10/13![Delta logo]()
$289
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:30 am -
1 stop22h 43m
Sun 12/611:08 am -
1 stop23h 27m
Deal found 10/11![Frontier logo]()
$291
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/73:50 pm -
1 stop4h 50m
Mon 12/147:10 am -
2 stops7h 35m
Deal found 10/12![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:15 am -
2 stops7h 55m
Tue 11/172:25 pm -
2 stops8h 55m
Deal found 10/12![Southwest logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Fri 12/410:30 am -
1 stop22h 43m
Sun 12/1310:31 am -
1 stop30h 28m
Deal found 10/12![Multiple Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 10/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/911:37 am -
1 stop8h 16m
Thu 12/1012:08 pm -
1 stop5h 39m
Deal found 10/12![American Airlines logo]()
$322
This CheapOair deal was found by Cheapflights users on 10/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:13 pm -
1 stop15h 00m
Sat 12/1211:08 am -
1 stop14h 04m
Deal found 10/10![Frontier logo]()
$323
This Frontier deal was found by Cheapflights users on 10/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:24 pm -
1 stop11h 17m
Fri 11/2011:06 am -
1 stop13h 53m
Deal found 10/11![Frontier logo]()
$325
This Southwest deal was found by Cheapflights users on 10/14. 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 11/56:00 am -
Nonstop2h 30m
Mon 11/97:45 pm -
1 stop5h 25m
Deal found 10/14![Southwest logo]()
$327
This Frontier deal was found by Cheapflights users on 10/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:35 pm -
1 stop12h 06m
Mon 11/3011:06 am -
1 stop13h 53m
Deal found 10/12![Frontier logo]()
$328
This Southwest deal was found by Cheapflights users on 10/13. 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 11/224:30 pm -
1 stop6h 15m
Fri 11/277:05 am -
1 stop7h 25m
Deal found 10/13![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:40 pm -
2 stops6h 15m
Mon 11/95:10 am -
Nonstop3h 05m
Deal found 10/12![Southwest logo]()
$332
Best flights from Missouri to BostonDiscover carefully curated flight deals from Missouri to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
Discover carefully curated flight deals from Missouri to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.
This Delta deal was found by Cheapflights users on 10/11. 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.
Wed 11/112:13 pm -
1 stop4h 36m
Sat 11/149:55 am -
Nonstop3h 44m
Deal found 10/11![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 10/13. 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 12/51:10 pm -
2 stops7h 50m
Tue 12/811:20 am -
2 stops6h 55m
Deal found 10/13![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/101:25 pm -
1 stop7h 08m
Sat 11/144:56 pm -
1 stop5h 45m
Deal found 10/15![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
2 stops7h 51m
Mon 11/210:19 am -
2 stops8h 33m
Deal found 10/12![American Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 10/15. 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 2/186:05 am -
1 stop6h 16m
Mon 2/225:00 pm -
1 stop6h 25m
Deal found 10/15![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 10/13. 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 11/276:00 am -
Nonstop2h 30m
Fri 12/41:20 pm -
2 stops7h 05m
Deal found 10/13![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 10/14. 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 1/162:45 pm -
Nonstop2h 59m
Mon 1/1811:00 am -
1 stop7h 52m
Deal found 10/14![Delta logo]()
$322
This Southwest deal was found by Cheapflights users on 10/10. 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.
Sat 12/52:25 pm -
2 stops6h 35m
Sat 12/1211:35 am -
2 stops9h 00m
Deal found 10/10![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/273:00 pm -
1 stop7h 29m
Sat 10/314:56 pm -
1 stop7h 02m
Deal found 10/12![United Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 10/13. 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 11/44:22 pm -
1 stop6h 37m
Mon 11/91:45 pm -
1 stop5h 28m
Deal found 10/13![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 10/14. 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 12/176:00 am -
Nonstop2h 30m
Sun 12/205:35 am -
Nonstop3h 05m
Deal found 10/14![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 10/12. 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 1/1611:05 am -
1 stop5h 59m
Mon 1/182:57 pm -
1 stop7h 49m
Deal found 10/12![United Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 10/11. 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.
Tue 11/106:15 am -
1 stop7h 16m
Sun 11/154:41 pm -
1 stop6h 34m
Deal found 10/11![American Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 10/14. 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 11/119:57 am -
Nonstop2h 58m
Sun 11/156:15 am -
Nonstop3h 47m
Deal found 10/14![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 10/13. 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 10/283:00 pm -
1 stop7h 29m
Sun 11/16:36 pm -
1 stop5h 22m
Deal found 10/13![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:15 pm -
Nonstop2h 55m
Sun 11/85:35 am -
1 stop5h 30m
Deal found 10/12![Southwest logo]()
$371
This Delta deal was found by Cheapflights users on 10/14. 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 1/272:45 pm -
Nonstop2h 59m
Sun 1/3111:15 am -
Nonstop3h 42m
Deal found 10/14![Delta logo]()
$361
This Southwest deal was found by Cheapflights users on 10/14. 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 11/58:25 am -
1 stop7h 45m
Mon 11/92:25 pm -
2 stops7h 35m
Deal found 10/14![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/277:35 am -
2 stops8h 52m
Sat 10/319:12 am -
1 stop6h 21m
Deal found 10/12![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 10/14. 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 12/177:03 am -
1 stop5h 41m
Sun 12/206:55 pm -
1 stop6h 00m
Deal found 10/14![Delta logo]()
$367
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Wed 11/46:50 pm -
1 stop4h 56m
Mon 11/95:30 am -
2 stops7h 40m
Deal found 10/11![United Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 10/15. 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 12/185:05 am -
2 stops8h 15m
Tue 12/296:30 am -
2 stops9h 55m
Deal found 10/15![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 10/11. 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.
Thu 11/197:45 pm -
Nonstop2h 58m
Fri 11/279:25 am -
Nonstop3h 45m
Deal found 10/11![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 10/14. 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 3/3111:15 am -
2 stops11h 02m
Sat 4/38:15 am -
1 stop7h 14m
Deal found 10/14![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:55 pm -
Nonstop2h 35m
Mon 11/306:50 pm -
Nonstop3h 10m
Deal found 10/12![Southwest logo]()
$444
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/511:25 am -
1 stop5h 30m
Wed 12/96:00 am -
1 stop5h 50m
Deal found 10/14![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Fri 12/257:45 am -
2 stops9h 42m
Wed 12/305:45 am -
1 stop7h 58m
Deal found 10/11![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Wed 1/271:38 pm -
1 stop9h 06m
Sat 1/3011:52 am -
2 stops12h 52m
Deal found 10/10![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Fri 11/133:00 pm -
1 stop7h 35m
Sun 11/157:31 am -
1 stop7h 47m
Deal found 10/11![United Airlines logo]()
$487
Last-minute flights from Missouri to BostonDiscover last-minute flight deals from Missouri to Boston. Data last updated October 15, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Boston. Data last updated October 15, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:15 am -
2 stops7h 05m
Tue 11/35:55 pm -
1 stop5h 20m
Deal found 10/12![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 10/14. 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 11/56:00 am -
Nonstop2h 30m
Mon 11/97:45 pm -
1 stop5h 25m
Deal found 10/14![Southwest logo]()
$327
This American Airlines deal was found by Cheapflights users on 10/11. 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 11/511:35 am -
1 stop4h 33m
Mon 11/97:40 pm -
1 stop5h 19m
Deal found 10/11![American Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:55 pm -
Nonstop2h 30m
Wed 11/111:20 pm -
2 stops7h 05m
Deal found 10/12![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 10/13. 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 11/712:55 pm -
Nonstop3h 10m
Tue 11/105:40 pm -
1 stop7h 15m
Deal found 10/13![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:50 pm -
1 stop4h 55m
Mon 11/162:25 pm -
2 stops8h 45m
Deal found 10/12![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:15 am -
2 stops7h 55m
Tue 11/172:25 pm -
2 stops8h 55m
Deal found 10/12![Southwest logo]()
$309
This Frontier deal was found by Cheapflights users on 10/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:24 pm -
1 stop11h 17m
Fri 11/2011:06 am -
1 stop13h 53m
Deal found 10/11![Frontier logo]()
$325
This Frontier deal was found by Cheapflights users on 10/15. 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.
Fri 11/206:35 pm -
1 stop12h 06m
Sun 11/2211:06 am -
1 stop13h 53m
Deal found 10/15![Frontier logo]()
$335
This Delta deal was found by Cheapflights users on 10/15. 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 11/2111:55 am -
Nonstop2h 55m
Sun 11/226:15 am -
Nonstop3h 47m
Deal found 10/15![Delta logo]()
$345
This Southwest deal was found by Cheapflights users on 10/13. 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 11/224:30 pm -
1 stop6h 15m
Fri 11/277:05 am -
1 stop7h 25m
Deal found 10/13![Southwest logo]()
$332
This Frontier deal was found by Cheapflights users on 10/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:35 pm -
1 stop12h 06m
Mon 11/3011:06 am -
1 stop13h 53m
Deal found 10/12![Frontier logo]()
$328
One-way flights from Missouri to BostonSearch for one-way flight options from Missouri to Boston. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
Search for one-way flight options from Missouri to Boston. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.
This Super.com deal was found by Cheapflights users on 10/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:05 pm -
1 stop15h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:36 am -
1 stop22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Allegiant Air logo]()
$125
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1110:30 am -
1 stop22h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Frontier logo]()
$137
This Southwest deal was found by Cheapflights users on 10/13. 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 11/61:15 pm -
Nonstop2h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Southwest logo]()
$140
This Super.com deal was found by Cheapflights users on 10/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:05 pm -
1 stop15h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Frontier logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Fri 1/155:17 pm -
1 stop17h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Allegiant Air logo]()
$144
This Frontier deal was found by Cheapflights users on 10/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:35 pm -
1 stop12h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Frontier logo]()
$145
This Jetabroad deal was found by Cheapflights users on 10/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:13 pm -
1 stop15h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Frontier logo]()
$148
This Delta deal was found by Cheapflights users on 10/13. 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 11/105:40 am -
1 stop7h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$150
This Southwest deal was found by Cheapflights users on 10/14. 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.
Tue 11/108:15 am -
2 stops7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$155
This Southwest deal was found by Cheapflights users on 10/11. 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.
Wed 11/1110:15 am -
Nonstop2h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Southwest logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Fri 12/116:13 pm -
1 stop15h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Frontier logo]()
$160
Find flight deals from Missouri to Boston
Keep the following information in mind while searching for Missouri to Boston flight deals. Data was last updated October 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (Delta) |
One-way from | $123 (Super.com) |
Popular in | February |
Cheapest in | November |
Average price | $512 |
Good round-trip deal | $427 or less |
Good one-way deal | $162 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 15, 2026.
Use the filters below to find and compare flights from Missouri to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Fri 12/11
9:55 am-1:49 pm
Nonstop2h 54m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Wed 11/11
7:45 pm-11:43 pm
Nonstop2h 58m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Tue 11/3
12:35 pm-4:46 pm
Nonstop3h 11m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Fri 11/13
7:45 pm-11:43 pm
Nonstop2h 58m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Sat 11/14
1:40 pm-5:39 pm
Nonstop2h 59m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Tue 11/10
7:45 pm-11:43 pm
Nonstop2h 58m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Sat 12/12
1:10 pm-5:17 pm
Nonstop3h 07m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$140
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Wed 11/11
6:45 pm-12:46 am
1 stop5h 01m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$150
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Tue 12/15
10:30 am-7:30 pm
1 stop8h 00m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$150
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Thu 1/14
6:05 am-12:21 pm
1 stop5h 16m
Boston Logan Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$150
Showing 1-10 of 59 resultsSorted by cheapest first
Best time to book a flight from Missouri to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Missouri with our price prediction graph.
MCI-BOS
STL-BOS
COU-BOS
SGF-BOS
JLN-BOS
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 Missouri to Boston
USMO-BOS
MCI-BOS
STL-BOS
COU-BOS
SGF-BOS
What is the cheapest month to book a flight from Missouri to Boston?
Currently, September is the cheapest month in which you can book a flight from Missouri to Boston (average of $460). Flying from Missouri to Boston in February is currently the most expensive (average of $603). 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 MO to BOS?
Find hourly flight availability from Missouri to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 15, 2026.
A simple way to save on the total cost of your ticket is to fly from Missouri to Boston in the afternoon. If you’re flexible enough to do this you can expect to save up to 39% on your trip compared to booking a flight at noon.
Weekly flight availability from Missouri to Boston
Explore weekly flight availability from Missouri to Boston. 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 October 15, 2026.
The most flights from USMO to BOS are scheduled on a Wednesday (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 Missouri to Boston?
Airfare is below average for this route at the moment.
Missouri to Boston flights typically cost between $422 and $615 in December.The cheapest round-trip price found within the last 5 days was $322 on American Airlines (Dec 9-Dec 10).
How far ahead should I book a flight from Missouri to Boston?
The price you pay for your flight from Missouri to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 84 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 Missouri to Boston?
Use this chart to determine the cheapest time to fly round-trip from Missouri to Boston. Price data was last updated on October 10, 2026.
Travelers seeking maximum savings on their Missouri to Boston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Missouri to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Warwick
Pawtucket
Peabody
Londonderry
York Beach
Revere
Fitchburg
North Falmouth
Chelsea
Swansea
Braintree
Auburn
Sandwich
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boston flight routes
Complete your trip
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Alternative routes for Missouri to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 15, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missouri to Boston by cabin class
Find flights from Missouri to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missouri and Boston flights
Browse other Missouri and Boston flight options. Last updated on October 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Missouri to Boston flights
Consider these flights traveling from Missouri to Boston.
Top 6 airlines flying from Missouri to Boston
Discover the top 6 airlines that operate flights from Missouri to Boston. 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 7,457,451 searches. Data last updated October 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$262 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$264 | Average$503 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$276 | Average$465 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$491 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$438 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$336 | Average$499 | FlexibilityNo cancel fee | On-time63% |