$80+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
May 17 — May 241
Round-trip
1 adult, Economy
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Find cheap flights from Missouri to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 April 17, 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 April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/156:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Fri 5/2212:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/16![Frontier logo]()
$159
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/206:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/13![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Wed 5/66:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Sat 5/912:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/14![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/296:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/15![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 6/56:24 pm
MCI
- BOS
1 stop30h 00m
Frontier
Fri 6/126:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Deal found 4/16![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Fri 5/156:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/13![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 6/56:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Mon 6/86:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/14![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/296:24 pm
MCI
- BOS
2 stops26h 18m
Multiple Airlines
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 7/206:19 pm
MCI
- BOS
1 stop30h 08m
Frontier
Wed 7/296:00 am
BOS
- MCI
1 stop12h 24m
Frontier
Deal found 4/14![Frontier logo]()
$202
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 5/186:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/14![Frontier logo]()
$205
This Delta deal was found by Cheapflights users on 4/16. 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.
Sat 10/246:00 am
SGF
- BOS
1 stop8h 03m
Delta
Sat 10/314:20 pm
BOS
- SGF
1 stop7h 12m
Delta
Deal found 4/16![Delta logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/88:23 pm
SGF
- BOS
1 stop11h 49m
Multiple Airlines
Sat 5/2312:01 pm
BOS
- SGF
2 stops45h 08m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$302
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 April 17, 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 April 17, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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 9/86:00 am
SGF
- BOS
1 stop5h 41m
Delta
Sat 9/128:00 am
BOS
- SGF
1 stop7h 45m
Delta
Deal found 4/13![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 4/12. 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.
Wed 8/126:30 pm
COU
- BOS
1 stop5h 35m
United Airlines
Sat 8/157:10 am
BOS
- COU
1 stop8h 20m
United Airlines
Deal found 4/12![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 4/15. 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.
Wed 8/126:30 am
STL
- BOS
1 stop4h 45m
Southwest
Sat 8/155:30 am
BOS
- STL
Nonstop2h 50m
Southwest
Deal found 4/15![Southwest logo]()
$354
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Thu 5/76:00 am
COU
- BOS
1 stop7h 26m
American Airlines
Wed 5/134:32 pm
BOS
- COU
1 stop5h 57m
American Airlines
Deal found 4/15![American Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:06 am
JLN
- BOS
1 stop7h 16m
United Airlines
Sun 5/107:30 am
BOS
- JLN
1 stop7h 07m
United Airlines
Deal found 4/12![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 4/13. 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 9/126:00 am
SGF
- BOS
1 stop6h 54m
Delta
Wed 9/163:10 pm
BOS
- SGF
1 stop8h 19m
Delta
Deal found 4/13![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Fri 5/298:54 am
JLN
- BOS
1 stop6h 35m
United Airlines
Sun 5/316:00 am
BOS
- JLN
1 stop8h 22m
United Airlines
Deal found 4/15![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 4/14. 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 5/126:50 pm
STL
- BOS
Nonstop2h 30m
Southwest
Thu 5/145:40 am
BOS
- STL
Nonstop3h 00m
Southwest
Deal found 4/14![Southwest logo]()
$389
This Southwest deal was found by Cheapflights users on 4/16. 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.
Wed 6/107:10 pm
STL
- BOS
Nonstop2h 30m
Southwest
Mon 6/155:35 am
BOS
- STL
Nonstop2h 50m
Southwest
Deal found 4/16![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 4/13. 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 4/288:00 am
COU
- BOS
2 stops9h 19m
United Airlines
Sat 5/26:00 am
BOS
- COU
1 stop5h 55m
United Airlines
Deal found 4/13![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 4/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:40 pm
MCI
- BOS
Nonstop3h 13m
Delta
Sun 7/56:10 am
BOS
- MCI
Nonstop3h 28m
Delta
Deal found 4/12![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 4/14. 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 4/2911:30 am
COU
- BOS
2 stops9h 24m
United Airlines
Sun 5/36:00 am
BOS
- COU
1 stop5h 57m
United Airlines
Deal found 4/14![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 4/15. 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 9/1911:40 am
STL
- BOS
Nonstop2h 35m
Southwest
Sun 9/277:20 am
BOS
- STL
1 stop5h 30m
Southwest
Deal found 4/15![Southwest logo]()
$408
This Delta deal was found by Cheapflights users on 4/13. 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 6/612:01 pm
MCI
- BOS
Nonstop3h 18m
Delta
Sat 6/139:20 am
BOS
- MCI
Nonstop3h 29m
Delta
Deal found 4/13![Delta logo]()
$429
This Southwest deal was found by Cheapflights users on 4/12. 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 6/173:15 pm
STL
- BOS
2 stops7h 05m
Southwest
Tue 6/2311:35 am
BOS
- STL
2 stops7h 50m
Southwest
Deal found 4/12![Southwest logo]()
$419
This Delta deal was found by Cheapflights users on 4/15. 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 6/225:24 pm
STL
- BOS
1 stop7h 07m
Delta
Sat 6/275:30 am
BOS
- STL
1 stop5h 02m
Delta
Deal found 4/15![Delta logo]()
$445
This United Airlines deal was found by Cheapflights users on 4/15. 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 4/298:00 am
SGF
- BOS
2 stops9h 19m
United Airlines
Tue 5/54:35 pm
BOS
- SGF
1 stop6h 27m
United Airlines
Deal found 4/15![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 4/13. 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 5/82:30 pm
STL
- BOS
Nonstop2h 35m
Southwest
Sat 5/911:50 am
BOS
- STL
Nonstop2h 55m
Southwest
Deal found 4/13![Southwest logo]()
$435
This Delta deal was found by Cheapflights users on 4/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:45 pm
MCI
- BOS
Nonstop3h 10m
Delta
Sun 7/266:10 am
BOS
- MCI
Nonstop3h 31m
Delta
Deal found 4/12![Delta logo]()
$463
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/75:00 am
COU
- BOS
2 stops8h 26m
United Airlines
Wed 5/133:00 pm
BOS
- COU
1 stop8h 03m
United Airlines
Deal found 4/15![United Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 4/15. 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 8/76:05 am
STL
- BOS
1 stop5h 25m
Southwest
Sun 8/95:30 am
BOS
- STL
Nonstop2h 50m
Southwest
Deal found 4/15![Southwest logo]()
$435
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 7/227:45 pm
MCI
- BOS
Nonstop3h 10m
Delta
Tue 7/286:10 am
BOS
- MCI
Nonstop3h 31m
Delta
Deal found 4/16![Delta logo]()
$463
This Southwest deal was found by Cheapflights users on 4/12. 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 6/27:35 am
STL
- BOS
2 stops7h 20m
Southwest
Fri 6/53:55 pm
BOS
- STL
2 stops6h 05m
Southwest
Deal found 4/12![Southwest logo]()
$437
This Delta deal was found by Cheapflights users on 4/13. 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 5/296:25 pm
MCI
- BOS
Nonstop3h 12m
Delta
Tue 6/212:05 pm
BOS
- MCI
1 stop5h 45m
Delta
Deal found 4/13![Delta logo]()
$473
This Southwest deal was found by Cheapflights users on 4/12. 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 5/143:25 pm
STL
- BOS
2 stops7h 30m
Southwest
Sat 5/165:25 am
BOS
- STL
2 stops9h 10m
Southwest
Deal found 4/12![Southwest logo]()
$437
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/152:28 pm
JLN
- BOS
1 stop8h 31m
United Airlines
Fri 5/227:19 am
BOS
- JLN
1 stop7h 03m
United Airlines
Deal found 4/12![United Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 4/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
MCI
- BOS
1 stop5h 20m
Delta
Mon 6/16:05 am
BOS
- MCI
Nonstop3h 37m
Delta
Deal found 4/12![Delta logo]()
$473
This Southwest deal was found by Cheapflights users on 4/16. 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.
Fri 9/116:05 am
STL
- BOS
1 stop7h 25m
Southwest
Sat 9/195:30 am
BOS
- STL
Nonstop2h 50m
Southwest
Deal found 4/16![Southwest logo]()
$446
This Delta deal was found by Cheapflights users on 4/14. 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 9/237:25 pm
MCI
- BOS
Nonstop3h 05m
Delta
Sun 10/45:30 am
BOS
- MCI
1 stop5h 08m
Delta
Deal found 4/14![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 7/108:54 am
JLN
- BOS
1 stop13h 24m
United Airlines
Sun 7/266:00 am
BOS
- JLN
1 stop8h 22m
United Airlines
Deal found 4/16![United Airlines logo]()
$522
Last-minute flights from Missouri to BostonDiscover last-minute flight deals from Missouri to Boston. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Boston. Data last updated April 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/15. 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 5/56:00 am
SGF
- BOS
1 stop8h 03m
United Airlines
Tue 5/1212:30 pm
BOS
- SGF
1 stop7h 09m
United Airlines
Deal found 4/15![United Airlines logo]()
$329
This CheapOair deal was found by Cheapflights users on 4/14. 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.
Wed 5/66:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Sat 5/912:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/14![Frontier logo]()
$171
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Thu 5/76:22 pm
SGF
- BOS
1 stop5h 37m
United Airlines
Tue 5/124:35 pm
BOS
- SGF
1 stop6h 27m
United Airlines
Deal found 4/13![United Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/88:23 pm
SGF
- BOS
1 stop11h 49m
Multiple Airlines
Sat 5/2312:01 pm
BOS
- SGF
2 stops45h 08m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$302
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/206:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/13![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Fri 5/156:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/13![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Fri 5/156:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Fri 5/2212:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/16![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 5/186:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/14![Frontier logo]()
$205
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/277:16 am
COU
- BOS
1 stop7h 40m
American Airlines
Mon 8/175:29 am
BOS
- COU
1 stop6h 44m
American Airlines
Deal found 4/14![American Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/296:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/15![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/296:24 pm
MCI
- BOS
2 stops26h 18m
Multiple Airlines
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$200
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 6/112:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/14![Frontier logo]()
$210
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 April 17, 2026.
Search for one-way flight options from Missouri to Boston. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/136:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/14![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 4/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:41 pm
STL
- BOS
1 stop5h 43m
Frontier
Deal found 4/13![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 6/16:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Deal found 4/14![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 8/316:19 pm
MCI
- BOS
1 stop12h 33m
Frontier
Deal found 4/16![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 6/85:27 pm
STL
- BOS
1 stop13h 25m
Frontier
Deal found 4/12![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 4/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:16 pm
MCI
- BOS
1 stop12h 32m
Frontier
Deal found 4/13![Frontier logo]()
$97
This Frontier deal was found by Cheapflights users on 4/12. 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 5/205:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 4/12![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sat 5/166:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/16![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/106:16 pm
MCI
- BOS
1 stop6h 11m
Frontier
Deal found 4/14![Frontier logo]()
$105
This Orbitz deal was found by Cheapflights users on 4/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:53 am
MCI
- BOS
1 stop12h 38m
Frontier
Deal found 4/15![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 5/185:27 pm
STL
- BOS
2 stops38h 45m
Frontier
Deal found 4/12![Frontier logo]()
$107
This Trip.com deal was found by Cheapflights users on 4/14. 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 5/88:23 pm
SGF
- BOS
1 stop11h 49m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$111
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $80 (Expedia) |
Popular in | February |
Cheapest in | September |
Average price | $473 |
Good round-trip deal | $461 or less |
Good one-way deal | $230 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 April 17, 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
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Tue 9/8
6:00 am-12:41 pm
1 stop5h 41m
Boston Logan Intl
Sat 9/12
8:00 am-2:45 pm
1 stop7h 45m
$322
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Wed 8/12
6:30 pm-1:05 am
1 stop5h 35m
Boston Logan Intl
Sat 8/15
7:10 am-2:30 pm
1 stop8h 20m
$328
JoplinBoston
JLN - BOS
JLNBOS
Joplin
Fri 5/8
9:06 am-5:22 pm
1 stop7h 16m
Boston Logan Intl
Sun 5/10
7:30 am-1:37 pm
1 stop7h 07m
$344
JoplinBoston
JLN - BOS
JLNBOS
Joplin
Fri 5/29
8:54 am-4:29 pm
1 stop6h 35m
Boston Logan Intl
Sun 5/31
6:00 am-1:22 pm
1 stop8h 22m
$344
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Sat 9/12
6:00 am-1:54 pm
1 stop6h 54m
Boston Logan Intl
Wed 9/16
3:10 pm-10:29 pm
1 stop8h 19m
$347
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Wed 8/12
6:30 am-12:15 pm
1 stop4h 45m
Boston Logan Intl
Sat 8/15
5:30 am-7:20 am
Nonstop2h 50m
$354
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Tue 4/28
8:00 am-6:19 pm
2 stops9h 19m
Boston Logan Intl
Sat 5/2
6:00 am-10:55 am
1 stop5h 55m
$364
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Wed 4/29
11:30 am-9:54 pm
2 stops9h 24m
Boston Logan Intl
Sun 5/3
6:00 am-10:57 am
1 stop5h 57m
$364
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Thu 5/7
6:00 am-2:26 pm
1 stop7h 26m
Boston Logan Intl
Wed 5/13
4:32 pm-9:29 pm
1 stop5h 57m
$371
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Tue 5/12
6:50 pm-10:20 pm
Nonstop2h 30m
Boston Logan Intl
Thu 5/14
5:40 am-7:40 am
Nonstop3h 00m
$389
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.
STL-BOS
MCI-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
STL-BOS
MCI-BOS
COU-BOS
SGF-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 April 17, 2026.
A simple way to save on the total cost of your ticket is to fly from Missouri to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight at noon.
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 April 11, 2026.
Travelers seeking maximum savings on their Missouri to Boston flight should consider departing on Saturday 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.
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 April 17, 2026.
The most flights from USMO to BOS are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Missouri to Boston?
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 locationsMedford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Seabrook
Warwick
Peabody
York Beach
Londonderry
Swansea
Old Orchard Beach
Lincoln
Quincy
Waltham
Lowell
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
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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 April 17, 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 April 17, 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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$234 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$125 | Average$200 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$153 | Average$433 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$448 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$304 | Average$467 | FlexibilityNo cancel fee | On-time63% |