$100+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOS
Jul 16 — Jul 231
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 June 16, 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 June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Mon 8/316:19 pm
MCI
- BOS
1 stop12h 33m
Frontier
Wed 9/26:00 am
BOS
- MCI
1 stop12h 24m
Frontier
Deal found 6/15![Frontier logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Fri 8/216:19 pm
MCI
- BOS
1 stop12h 29m
Frontier
Fri 8/286:00 am
BOS
- MCI
1 stop12h 24m
Frontier
Deal found 6/14![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 8/216:19 pm
MCI
- BOS
1 stop12h 29m
Frontier
Mon 8/246:00 am
BOS
- MCI
1 stop12h 24m
Frontier
Deal found 6/11![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Mon 7/136:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Wed 7/158:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Deal found 6/15![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/106:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Fri 7/178:41 am
BOS
- MCI
2 stops33h 29m
Frontier
Deal found 6/12![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Fri 7/176:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Wed 7/228:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Deal found 6/14![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/36:16 pm
MCI
- BOS
1 stop12h 32m
Frontier
Wed 7/88:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Deal found 6/13![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/36:16 pm
MCI
- BOS
1 stop12h 32m
Frontier
Fri 7/108:41 am
BOS
- MCI
2 stops33h 29m
Frontier
Deal found 6/12![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Mon 7/136:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Mon 7/208:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Deal found 6/13![Frontier logo]()
$258
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:43 pm
COU
- BOS
1 stop7h 17m
American Airlines
Sat 8/157:24 am
BOS
- COU
1 stop6h 04m
American Airlines
Deal found 6/16![American Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 7/2910:32 am
COU
- BOS
1 stop7h 15m
American Airlines
Wed 8/56:14 am
BOS
- COU
1 stop6h 59m
American Airlines
Deal found 6/14![American Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/2010:35 am
STL
- BOS
1 stop24h 30m
Frontier
Wed 9/231:00 pm
BOS
- STL
1 stop21h 40m
Frontier
Deal found 6/11![Frontier logo]()
$328
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 June 16, 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 June 16, 2026.
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:43 pm
COU
- BOS
1 stop7h 17m
American Airlines
Sat 8/157:24 am
BOS
- COU
1 stop6h 04m
American Airlines
Deal found 6/16![American Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 6/14. 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 8/294:00 pm
SGF
- BOS
1 stop6h 41m
Delta
Wed 9/24:25 pm
BOS
- SGF
1 stop6h 56m
Delta
Deal found 6/14![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 9/211:53 pm
JLN
- BOS
2 stops10h 21m
United Airlines
Thu 10/87:01 am
BOS
- JLN
1 stop7h 30m
United Airlines
Deal found 6/12![United Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 6/14. 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 8/410:45 am
STL
- BOS
2 stops6h 50m
Southwest
Tue 8/1110:05 am
BOS
- STL
2 stops7h 40m
Southwest
Deal found 6/14![Southwest logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 9/1010:35 am
STL
- BOS
1 stop24h 30m
Frontier
Sun 9/131:00 pm
BOS
- STL
2 stops21h 40m
Frontier
Deal found 6/11![Frontier logo]()
$348
This Delta deal was found by Cheapflights users on 6/13. 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.
Thu 8/136:58 pm
SGF
- BOS
1 stop5h 27m
Delta
Thu 8/203:14 pm
BOS
- SGF
1 stop8h 07m
Delta
Deal found 6/13![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/258:00 am
COU
- BOS
1 stop7h 29m
United Airlines
Thu 7/307:19 am
BOS
- COU
1 stop8h 31m
United Airlines
Deal found 6/12![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:32 pm
COU
- BOS
1 stop14h 56m
American Airlines
Mon 7/138:58 am
BOS
- COU
1 stop13h 03m
American Airlines
Deal found 6/15![American Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 6/12. 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.
Sun 7/265:50 am
STL
- BOS
1 stop4h 05m
Southwest
Wed 7/296:25 pm
BOS
- STL
Nonstop3h 05m
Southwest
Deal found 6/12![Southwest logo]()
$399
This Delta deal was found by Cheapflights users on 6/15. 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 7/229:40 am
MCI
- BOS
Nonstop3h 04m
Delta
Tue 7/284:10 pm
BOS
- MCI
Nonstop3h 38m
Delta
Deal found 6/15![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/257:00 am
STL
- BOS
1 stop6h 22m
United Airlines
Tue 8/257:00 pm
BOS
- STL
1 stop5h 38m
United Airlines
Deal found 6/11![United Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/42:11 pm
SGF
- BOS
1 stop7h 55m
American Airlines
Tue 8/115:45 pm
BOS
- SGF
1 stop5h 58m
American Airlines
Deal found 6/11![American Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:40 pm
STL
- BOS
Nonstop2h 35m
Southwest
Fri 8/75:50 am
BOS
- STL
1 stop6h 45m
Southwest
Deal found 6/16![Southwest logo]()
$399
This Delta deal was found by Cheapflights users on 6/13. 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 7/77:45 pm
MCI
- BOS
Nonstop3h 10m
Delta
Tue 7/216:10 am
BOS
- MCI
Nonstop3h 31m
Delta
Deal found 6/13![Delta logo]()
$375
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/2112:30 pm
MCI
- BOS
1 stop5h 44m
United Airlines
Wed 7/2210:35 am
BOS
- MCI
1 stop6h 25m
United Airlines
Deal found 6/15![United Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/1011:01 am
STL
- BOS
1 stop7h 29m
American Airlines
Sun 9/136:20 am
BOS
- STL
Nonstop3h 00m
American Airlines
Deal found 6/11![American Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 6/11. 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.
Tue 7/1412:25 pm
MCI
- BOS
1 stop4h 35m
Southwest
Tue 7/2111:35 am
BOS
- MCI
1 stop4h 55m
Southwest
Deal found 6/11![Southwest logo]()
$412
This United Airlines deal was found by Cheapflights users on 6/12. 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 6/278:54 am
JLN
- BOS
1 stop7h 37m
United Airlines
Wed 7/18:15 am
BOS
- JLN
1 stop6h 07m
United Airlines
Deal found 6/12![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 7/146:23 am
MCI
- BOS
1 stop6h 28m
Delta
Tue 7/216:10 am
BOS
- MCI
Nonstop3h 31m
Delta
Deal found 6/11![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 6/13. 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.
Tue 9/18:20 am
MCI
- BOS
2 stops6h 50m
Southwest
Sat 9/1210:45 am
BOS
- MCI
2 stops8h 30m
Southwest
Deal found 6/13![Southwest logo]()
$417
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 7/56:32 pm
COU
- BOS
1 stop14h 02m
American Airlines
Sat 7/118:58 am
BOS
- COU
1 stop13h 17m
American Airlines
Deal found 6/11![American Airlines logo]()
$430
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Tue 7/76:00 am
STL
- BOS
1 stop9h 29m
United Airlines
Wed 7/86:00 am
BOS
- STL
1 stop10h 46m
United Airlines
Deal found 6/13![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 6/15. 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 7/239:40 am
MCI
- BOS
Nonstop3h 04m
Delta
Wed 7/297:10 am
BOS
- MCI
1 stop5h 36m
Delta
Deal found 6/15![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/253:11 pm
COU
- BOS
1 stop7h 23m
United Airlines
Sat 8/296:01 am
BOS
- COU
1 stop5h 15m
United Airlines
Deal found 6/14![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 6/12. 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.
Sat 7/258:45 pm
STL
- BOS
Nonstop2h 35m
Southwest
Thu 7/306:50 pm
BOS
- STL
Nonstop3h 05m
Southwest
Deal found 6/12![Southwest logo]()
$446
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/810:49 am
COU
- BOS
1 stop7h 41m
United Airlines
Tue 7/146:00 am
BOS
- COU
1 stop5h 13m
United Airlines
Deal found 6/15![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 6/15. 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.
Sat 8/11:50 pm
MCI
- BOS
2 stops6h 20m
Southwest
Wed 8/58:15 am
BOS
- MCI
2 stops9h 00m
Southwest
Deal found 6/15![Southwest logo]()
$463
This Delta deal was found by Cheapflights users on 6/13. 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.
Thu 7/167:45 pm
MCI
- BOS
Nonstop3h 10m
Delta
Sat 7/259:15 am
BOS
- MCI
Nonstop3h 30m
Delta
Deal found 6/13![Delta logo]()
$463
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Tue 11/109:00 am
COU
- BOS
1 stop9h 59m
United Airlines
Sat 11/147:30 am
BOS
- COU
2 stops14h 00m
United Airlines
Deal found 6/13![United Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/218:54 am
JLN
- BOS
2 stops12h 01m
United Airlines
Fri 7/317:19 am
BOS
- JLN
1 stop7h 03m
United Airlines
Deal found 6/15![United Airlines logo]()
$424
Last-minute flights from Missouri to BostonDiscover last-minute flight deals from Missouri to Boston. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Boston. Data last updated June 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/36:16 pm
MCI
- BOS
1 stop12h 32m
Frontier
Wed 7/88:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Deal found 6/13![Frontier logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/36:16 pm
MCI
- BOS
1 stop12h 32m
Frontier
Fri 7/108:41 am
BOS
- MCI
2 stops33h 29m
Frontier
Deal found 6/12![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/36:16 pm
MCI
- BOS
1 stop12h 32m
Frontier
Sat 7/118:37 am
BOS
- MCI
2 stops9h 33m
Frontier
Deal found 6/12![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/106:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Fri 7/178:41 am
BOS
- MCI
2 stops33h 29m
Frontier
Deal found 6/12![Frontier logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Mon 7/136:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Wed 7/158:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Deal found 6/15![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Mon 7/136:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Mon 7/208:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Deal found 6/13![Frontier logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Fri 7/176:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Wed 7/228:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Deal found 6/14![Frontier logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Fri 7/176:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Tue 7/2110:04 am
BOS
- MCI
2 stops32h 06m
Frontier
Deal found 6/11![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Mon 7/276:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Fri 7/318:41 am
BOS
- MCI
2 stops33h 29m
Frontier
Deal found 6/13![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Wed 7/296:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Wed 8/511:59 am
BOS
- MCI
1 stop6h 11m
Frontier
Deal found 6/14![Frontier logo]()
$267
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 7/2910:32 am
COU
- BOS
1 stop7h 15m
American Airlines
Wed 8/56:14 am
BOS
- COU
1 stop6h 59m
American Airlines
Deal found 6/14![American Airlines logo]()
$309
This Frontier deal was found by Cheapflights users on 6/11. 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.
Fri 7/316:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Wed 8/511:59 am
BOS
- MCI
1 stop6h 11m
Frontier
Deal found 6/11![Frontier logo]()
$280
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 June 16, 2026.
Search for one-way flight options from Missouri to Boston. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Deal found 6/11![Frontier logo]()
$100
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Deal found 6/15![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Mon 7/276:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Deal found 6/12![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Mon 8/106:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Deal found 6/12![Frontier logo]()
$107
This Trip.com deal was found by Cheapflights users on 6/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Deal found 6/14![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 6/14. 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.
Fri 9/46:19 pm
MCI
- BOS
1 stop12h 29m
Frontier
Deal found 6/14![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Mon 7/136:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Deal found 6/13![Frontier logo]()
$120
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Deal found 6/15![Frontier logo]()
$124
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:19 pm
MCI
- BOS
1 stop6h 08m
Frontier
Deal found 6/11![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Fri 10/26:11 pm
MCI
- BOS
1 stop16h 54m
Frontier
Deal found 6/15![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 6/11. 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.
Sat 9/56:19 pm
MCI
- BOS
1 stop6h 08m
Frontier
Deal found 6/11![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Fri 8/143:11 pm
MCI
- BOS
1 stop17h 58m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$129
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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $208 (Kiwi.com) |
One-way from | $100 (Trip.com) |
Popular in | February |
Cheapest in | September |
Average price | $505 |
Good round-trip deal | $477 or less |
Good one-way deal | $179 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 June 16, 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 - BOS
COUBOS
Columbia Regional
Wed 8/12
12:43 pm-9:00 pm
1 stop7h 17m
Boston Logan Intl
Sat 8/15
7:24 am-12:28 pm
1 stop6h 04m
$308
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Sat 8/29
4:00 pm-11:41 pm
1 stop6h 41m
Boston Logan Intl
Wed 9/2
4:25 pm-10:21 pm
1 stop6h 56m
$329
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Thu 8/13
6:58 pm-1:25 am
1 stop5h 27m
Boston Logan Intl
Thu 8/20
3:14 pm-10:21 pm
1 stop8h 07m
$329
JoplinBoston
JLN - BOS
JLNBOS
Joplin
Mon 9/21
1:53 pm-1:14 am
2 stops10h 21m
Boston Logan Intl
Thu 10/8
7:01 am-1:31 pm
1 stop7h 30m
$330
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Tue 8/4
10:45 am-6:35 pm
2 stops6h 50m
Boston Logan Intl
Tue 8/11
10:05 am-4:45 pm
2 stops7h 40m
$347
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Thu 9/10
10:35 am-12:05 pm
1 stop24h 30m
Boston Logan Intl
Sun 9/13
1:00 pm-9:40 am
2 stops21h 40m
$348
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Sat 7/25
8:00 am-4:29 pm
1 stop7h 29m
Boston Logan Intl
Thu 7/30
7:19 am-2:50 pm
1 stop8h 31m
$369
Kansas CityBoston
MCI - BOS
MCIBOS
Kansas City
Wed 7/22
9:40 am-1:44 pm
Nonstop3h 04m
Boston Logan Intl
Tue 7/28
4:10 pm-6:48 pm
Nonstop3h 38m
$375
Kansas CityBoston
MCI - BOS
MCIBOS
Kansas City
Tue 7/7
7:45 pm-11:55 pm
Nonstop3h 10m
Boston Logan Intl
Tue 7/21
6:10 am-8:41 am
Nonstop3h 31m
$375
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Tue 8/25
7:00 am-2:22 pm
1 stop6h 22m
Boston Logan Intl
Tue 8/25
7:00 pm-11:38 pm
1 stop5h 38m
$378
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.
COU-BOS
SGF-BOS
JLN-BOS
STL-BOS
MCI-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
COU-BOS
SGF-BOS
JLN-BOS
STL-BOS
What is the cheapest month to book a flight from Missouri to Boston?
Currently, August is the cheapest month in which you can book a flight from Missouri to Boston (average of $83). Flying from Missouri to Boston in February is currently the most expensive (average of $250). 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 June 16, 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 42% on your trip compared to booking a flight at noon.
How much does it cost to fly round-trip from Missouri to Boston?
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 June 13, 2026.
Travelers seeking maximum savings on their Missouri to Boston flight should consider departing on Tuesday evenings 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
Cambridge
Concord
Brockton
Watertown
Hampton Beach
Seekonk
Cranston
Warwick
Peabody
Auburn
York Beach
Chelsea
Londonderry
Dedham
Swansea
Old Orchard Beach
Lowell
Smithfield
Braintree
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 June 16, 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 June 16, 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 5 airlines flying from Missouri to Boston
Discover the top 5 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 June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$189 | Average$468 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$216 | Average$453 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$460 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$309 | Average$488 | FlexibilityNo cancel fee | On-time63% |