$113+ Cheap flights from Missouri to Boston (BOS)
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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
Sep 18 — Sep 251
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 August 19, 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 August 19, 2026.
This Delta deal was found by Cheapflights users on 8/18. 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 10/167:30 pm -
Nonstop3h 09m
Sat 10/249:15 am -
1 stop5h 10m
Deal found 8/18![Delta logo]()
$291
This Southwest deal was found by Cheapflights users on 8/18. 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 11/91:15 pm -
Nonstop2h 55m
Fri 11/1310:25 am -
2 stops8h 55m
Deal found 8/18![Southwest logo]()
$296
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 9/1812:19 pm -
1 stop7h 41m
Mon 9/215:45 pm -
1 stop7h 38m
Deal found 8/17![American Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 8/18. 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 10/167:30 pm -
Nonstop3h 09m
Fri 10/236:10 am -
Nonstop3h 35m
Deal found 8/18![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 8/18. 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 10/2811:45 am -
2 stops8h 30m
Sat 10/317:20 am -
2 stops9h 20m
Deal found 8/18![Southwest logo]()
$311
This Delta deal was found by Cheapflights users on 8/18. 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 10/157:30 pm -
Nonstop3h 09m
Mon 10/196:10 am -
Nonstop3h 35m
Deal found 8/18![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 8/17. 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 10/35:46 pm -
1 stop6h 31m
Tue 10/62:00 pm -
1 stop7h 14m
Deal found 8/17![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/155:44 am -
1 stop5h 55m
Fri 9/251:34 pm -
1 stop5h 28m
Deal found 8/17![American Airlines logo]()
$318
This CheapOair deal was found by Cheapflights users on 8/17. 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.
Thu 10/224:30 pm -
1 stop17h 32m
Sun 10/2511:47 am -
1 stop12h 26m
Deal found 8/17![Frontier logo]()
$319
This Delta deal was found by Cheapflights users on 8/18. 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 10/95:20 pm -
1 stop6h 00m
Sat 10/179:35 am -
Nonstop3h 30m
Deal found 8/18![Delta logo]()
$322
This Southwest deal was found by Cheapflights users on 8/17. 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 9/154:05 pm -
1 stop7h 05m
Tue 9/222:45 pm -
2 stops8h 00m
Deal found 8/17![Southwest logo]()
$322
This CheapOair deal was found by Cheapflights users on 8/16. 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.
Fri 9/115:19 pm -
1 stop16h 32m
Sun 9/1311:53 am -
1 stop29h 41m
Deal found 8/16![Frontier logo]()
$323
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 August 19, 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 August 19, 2026.
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 10/103:19 pm -
1 stop5h 40m
Tue 10/205:45 am -
2 stops9h 53m
Deal found 8/15![United Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 8/18. 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 10/218:30 am -
2 stops7h 40m
Wed 10/286:45 am -
2 stops9h 15m
Deal found 8/18![Southwest logo]()
$327
This Delta deal was found by Cheapflights users on 8/14. 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 10/1410:00 am -
1 stop5h 30m
Thu 10/155:30 am -
1 stop6h 21m
Deal found 8/14![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 8/14. 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.
Tue 10/137:20 pm -
1 stop5h 00m
Thu 10/155:30 am -
1 stop6h 21m
Deal found 8/14![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 8/17. 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 10/24:30 pm -
2 stops6h 35m
Tue 10/66:45 am -
2 stops9h 15m
Deal found 8/17![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/53:12 pm -
2 stops7h 47m
Tue 9/85:01 pm -
1 stop6h 54m
Deal found 8/18![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 8/18. 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 10/162:54 pm -
1 stop6h 14m
Mon 10/196:10 am -
Nonstop3h 35m
Deal found 8/18![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/86:39 pm -
1 stop5h 31m
Sat 9/125:00 pm -
1 stop5h 47m
Deal found 8/18![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 8/18. 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 9/112:45 pm -
2 stops6h 30m
Mon 9/148:55 pm -
1 stop11h 50m
Deal found 8/18![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/126:00 am -
1 stop7h 22m
Wed 9/169:00 am -
1 stop6h 18m
Deal found 8/18![United Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 8/18. 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 9/308:10 am -
1 stop7h 19m
Sat 10/319:35 am -
Nonstop3h 30m
Deal found 8/18![Delta logo]()
$375
This Delta deal was found by Cheapflights users on 8/14. 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.
Tue 10/137:30 pm -
Nonstop3h 09m
Sun 10/186:10 am -
Nonstop3h 35m
Deal found 8/14![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Thu 11/127:36 am -
2 stops8h 51m
Mon 11/165:00 pm -
1 stop5h 51m
Deal found 8/15![United Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 8/18. 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 9/171:50 pm -
2 stops7h 05m
Tue 9/222:45 pm -
2 stops8h 00m
Deal found 8/18![Southwest logo]()
$479
This Delta deal was found by Cheapflights users on 8/16. 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 10/167:30 pm -
Nonstop3h 09m
Sun 10/186:10 am -
Nonstop3h 35m
Deal found 8/16![Delta logo]()
$403
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/236:00 am -
2 stops7h 22m
Sat 9/266:43 pm -
1 stop5h 35m
Deal found 8/18![United Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 8/15. 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.
Thu 10/154:30 pm -
2 stops6h 35m
Tue 10/206:45 am -
2 stops9h 15m
Deal found 8/15![Southwest logo]()
$479
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/96:15 am -
1 stop5h 35m
Sat 9/127:46 am -
1 stop7h 44m
Deal found 8/14![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 8/16. 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 10/115:31 pm -
1 stop4h 49m
Thu 10/221:57 pm -
1 stop8h 26m
Deal found 8/16![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/18. 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 12/58:00 am -
1 stop7h 26m
Wed 12/97:10 am -
1 stop8h 19m
Deal found 8/18![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 8/15. 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.
Wed 10/1410:00 am -
1 stop6h 30m
Sun 10/185:39 am -
1 stop5h 05m
Deal found 8/15![Delta logo]()
$426
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 10/61:29 pm -
2 stops8h 16m
Sat 10/176:00 am -
1 stop6h 33m
Deal found 8/14![United Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 8/18. 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 10/165:35 pm -
1 stop4h 59m
Sun 10/185:39 am -
1 stop5h 05m
Deal found 8/18![Delta logo]()
$446
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/76:15 am -
2 stops7h 40m
Sun 10/116:00 am -
1 stop5h 39m
Deal found 8/18![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 8/15. 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.
Mon 9/147:30 pm -
Nonstop3h 11m
Fri 9/186:10 am -
Nonstop3h 23m
Deal found 8/15![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/234:50 pm -
1 stop4h 55m
Mon 11/25:30 am -
2 stops7h 40m
Deal found 8/17![United Airlines logo]()
$432
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Sat 10/245:30 am -
2 stops12h 52m
Sat 10/319:20 am -
1 stop8h 01m
Deal found 8/15![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Wed 11/116:40 pm -
1 stop5h 06m
Sun 11/155:30 am -
2 stops10h 03m
Deal found 8/15![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/16. 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 11/166:40 pm -
1 stop5h 06m
Sun 11/226:00 am -
2 stops9h 33m
Deal found 8/16![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/15. 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.
Thu 9/101:37 pm -
2 stops10h 33m
Tue 9/153:13 pm -
1 stop7h 49m
Deal found 8/15![United Airlines logo]()
$434
Last-minute flights from Missouri to BostonDiscover last-minute flight deals from Missouri to Boston. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Boston. Data last updated August 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/92:29 pm -
1 stop20h 40m
Fri 9/1112:54 pm -
2 stops31h 23m
Deal found 8/18![Frontier logo]()
$324
This Southwest deal was found by Cheapflights users on 8/17. 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 9/117:00 am -
Nonstop2h 35m
Mon 9/145:00 am -
Nonstop2h 50m
Deal found 8/17![Southwest logo]()
$317
This CheapOair deal was found by Cheapflights users on 8/16. 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.
Fri 9/115:19 pm -
1 stop16h 32m
Sun 9/1311:53 am -
1 stop29h 41m
Deal found 8/16![Frontier logo]()
$323
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:14 pm -
1 stop7h 13m
Fri 9/187:17 pm -
1 stop6h 06m
Deal found 8/14![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:49 pm -
1 stop7h 38m
Mon 9/146:20 am -
Nonstop3h 00m
Deal found 8/14![American Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/126:30 am -
1 stop4h 48m
Mon 9/1412:16 pm -
1 stop4h 41m
Deal found 8/17![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 8/17. 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 9/155:44 am -
1 stop5h 55m
Fri 9/251:34 pm -
1 stop5h 28m
Deal found 8/17![American Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 8/17. 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 9/152:45 pm -
1 stop6h 30m
Sat 9/195:50 am -
2 stops9h 10m
Deal found 8/17![Southwest logo]()
$322
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 9/1812:19 pm -
1 stop7h 41m
Mon 9/215:45 pm -
1 stop7h 38m
Deal found 8/17![American Airlines logo]()
$301
This Faresmojo deal was found by Cheapflights users on 8/17. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:54 pm -
1 stop5h 23m
Tue 9/291:55 pm -
1 stop7h 03m
Deal found 8/17![JetBlue logo]()
$330
This Southwest deal was found by Cheapflights users on 8/18. 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 9/224:45 pm -
1 stop4h 35m
Tue 9/295:25 am -
2 stops7h 40m
Deal found 8/18![Southwest logo]()
$306
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/246:00 am -
1 stop5h 18m
Thu 10/16:00 am -
1 stop6h 48m
Deal found 8/18![American Airlines logo]()
$332
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 August 19, 2026.
Search for one-way flight options from Missouri to Boston. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This Super.com deal was found by Cheapflights users on 8/16. 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.
Sat 10/174:30 pm -
1 stop17h 32m
Deal found 8/16![Frontier logo]()
$113
This CheapOair deal was found by Cheapflights users on 8/17. 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 10/104:30 pm -
1 stop17h 32m
Deal found 8/17![Frontier logo]()
$116
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/84:30 pm -
1 stop17h 32m
Deal found 8/14![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 8/18. 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.
Fri 11/68:34 pm -
1 stop12h 35m
Deal found 8/18![Frontier logo]()
$123
This Southwest deal was found by Cheapflights users on 8/17. 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 10/2811:30 am -
Nonstop3h 05m
Deal found 8/17![Southwest logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:29 pm -
1 stop20h 38m
Deal found 8/14![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:17 pm -
2 stops20h 23m
Deal found 8/14![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:17 pm -
2 stops44h 21m
Deal found 8/15![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:35 am -
2 stops24h 09m
Deal found 8/15![Multiple Airlines logo]()
$132
This Super.com deal was found by Cheapflights users on 8/18. 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.
Thu 10/224:30 pm -
1 stop17h 32m
Deal found 8/18![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 11/168:10 pm -
2 stops14h 30m
Deal found 8/18![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 11/162:17 pm -
2 stops20h 23m
Deal found 8/16![Frontier logo]()
$135
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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (Delta) |
One-way from | $113 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $486 |
Good round-trip deal | $371 or less |
Good one-way deal | $253 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 2,558,603 searches. Data last updated August 19, 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
ColumbiaBoston
COU Columbia Regional - BOS Boston Logan Intl
COUBOS
Columbia Regional
Sat 10/10
3:19 pm-9:59 pm
1 stop5h 40m
Boston Logan Intl
Tue 10/20
5:45 am-2:38 pm
2 stops9h 53m
$324
St. LouisBoston
STL Lambert-St Louis - BOS Boston Logan Intl
STLBOS
Lambert-St Louis
Wed 10/21
8:30 am-5:10 pm
2 stops7h 40m
Boston Logan Intl
Wed 10/28
6:45 am-3:00 pm
2 stops9h 15m
$327
St. LouisBoston
STL Lambert-St Louis - BOS Boston Logan Intl
STLBOS
Lambert-St Louis
Wed 10/14
10:00 am-4:30 pm
1 stop5h 30m
Boston Logan Intl
Thu 10/15
5:30 am-10:51 am
1 stop6h 21m
$337
St. LouisBoston
STL Lambert-St Louis - BOS Boston Logan Intl
STLBOS
Lambert-St Louis
Tue 10/13
7:20 pm-1:20 am
1 stop5h 00m
Boston Logan Intl
Thu 10/15
5:30 am-10:51 am
1 stop6h 21m
$337
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Fri 10/16
2:54 pm-10:08 pm
1 stop6h 14m
Boston Logan Intl
Mon 10/19
6:10 am-8:45 am
Nonstop3h 35m
$346
St. LouisBoston
STL Lambert-St Louis - BOS Boston Logan Intl
STLBOS
Lambert-St Louis
Fri 10/2
4:30 pm-12:05 am
2 stops6h 35m
Boston Logan Intl
Tue 10/6
6:45 am-3:00 pm
2 stops9h 15m
$347
ColumbiaBoston
COU Columbia Regional - BOS Boston Logan Intl
COUBOS
Columbia Regional
Sat 9/5
3:12 pm-11:59 pm
2 stops7h 47m
Boston Logan Intl
Tue 9/8
5:01 pm-10:55 pm
1 stop6h 54m
$349
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Tue 9/8
6:39 pm-1:10 am
1 stop5h 31m
Boston Logan Intl
Sat 9/12
5:00 pm-9:47 pm
1 stop5h 47m
$367
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Sat 9/12
6:00 am-2:22 pm
1 stop7h 22m
Boston Logan Intl
Wed 9/16
9:00 am-2:18 pm
1 stop6h 18m
$367
Kansas CityBoston
MCI Kansas City - BOS Boston Logan Intl
MCIBOS
Kansas City
Wed 9/30
8:10 am-4:29 pm
1 stop7h 19m
Boston Logan Intl
Sat 10/31
9:35 am-12:05 pm
Nonstop3h 30m
$375
Showing 1-10 of 60 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
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 $446). Flying from Missouri to Boston in February is currently the most expensive (average of $619). 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 August 19, 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 40% on your trip compared to booking a flight at noon.
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 $411 and $611 in October.The cheapest round-trip price found within the last 5 days was $317 on Delta (Oct 3-Oct 6).
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 August 15, 2026.
Travelers seeking maximum savings on their Missouri to Boston flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday 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
Seekonk
Cranston
Dedham
Warwick
Peabody
Auburn
Chelsea
York Beach
Londonderry
Revere
Fitchburg
Swansea
North Falmouth
Braintree
Sandwich
Browse thousands of different options on Cheapflights for your next 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 August 19, 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 August 19, 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 2,558,603 searches. Data last updated August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$262 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$254 | Average$471 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$259 | Average$480 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$483 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$438 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$337 | Average$496 | FlexibilityNo cancel fee | On-time63% |