$76+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
May 30 — Jun 61
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 30, 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 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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
Fri 6/56:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/26![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/26![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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
Wed 5/2012:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/27![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 6/106:16 pm
MCI
- BOS
1 stop12h 36m
Frontier
Wed 6/176:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Deal found 4/25![Frontier logo]()
$193
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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
Sat 5/166:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/27![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
Fri 5/86:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/206:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/27![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/36:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Sat 6/66:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/28![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 6/86:24 pm
MCI
- BOS
1 stop12h 28m
Frontier
Fri 6/126:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Deal found 4/26![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 7/206:16 pm
MCI
- BOS
1 stop12h 30m
Frontier
Wed 7/2912:04 pm
BOS
- MCI
1 stop6h 17m
Frontier
Deal found 4/29![Frontier logo]()
$216
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 stop6h 49m
Delta
Sat 10/315:45 pm
BOS
- SGF
1 stop5h 47m
Delta
Deal found 4/28![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 9/93:30 pm
SGF
- BOS
1 stop8h 36m
Delta
Tue 9/155:45 pm
BOS
- SGF
1 stop5h 44m
Delta
Deal found 4/28![Delta logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 6/129:56 am
COU
- BOS
1 stop23h 08m
Allegiant Air
Sun 6/1410:38 am
BOS
- COU
2 stops23h 28m
Allegiant Air
Deal found 4/26![Allegiant Air logo]()
$327
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 30, 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 30, 2026.
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/233:25 pm
COU
- BOS
1 stop5h 31m
United Airlines
Sat 5/306:00 am
BOS
- COU
1 stop5h 18m
United Airlines
Deal found 4/25![United Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:45 pm
SGF
- BOS
1 stop5h 21m
Delta
Wed 10/76:55 am
BOS
- SGF
1 stop8h 55m
Delta
Deal found 4/26![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/126:00 am
COU
- BOS
2 stops9h 18m
American Airlines
Sat 5/167:47 am
BOS
- COU
2 stops9h 11m
American Airlines
Deal found 4/27![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 6/53:35 pm
STL
- BOS
1 stop6h 15m
Southwest
Tue 6/95:50 am
BOS
- STL
Nonstop2h 55m
Southwest
Deal found 4/25![Southwest logo]()
$399
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/128:00 am
COU
- BOS
1 stop7h 16m
United Airlines
Sat 5/166:00 am
BOS
- COU
1 stop5h 55m
United Airlines
Deal found 4/27![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/101:20 pm
MCI
- BOS
1 stop8h 54m
Delta
Wed 6/176:10 am
BOS
- MCI
Nonstop3h 28m
Delta
Deal found 4/29![Delta logo]()
$385
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/287:40 pm
STL
- BOS
Nonstop2h 30m
Southwest
Sun 5/315:40 am
BOS
- STL
Nonstop3h 00m
Southwest
Deal found 4/29![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 6/105:00 am
COU
- BOS
2 stops8h 40m
United Airlines
Sat 6/136:00 am
BOS
- COU
1 stop5h 48m
United Airlines
Deal found 4/26![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/47:55 pm
STL
- BOS
Nonstop2h 30m
Southwest
Sun 6/75:50 am
BOS
- STL
Nonstop2h 55m
Southwest
Deal found 4/29![Southwest logo]()
$407
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/276:00 am
COU
- BOS
2 stops7h 30m
American Airlines
Mon 8/175:36 pm
BOS
- COU
1 stop5h 30m
American Airlines
Deal found 4/28![American Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/36:25 pm
MCI
- BOS
Nonstop3h 12m
Delta
Sat 6/68:15 am
BOS
- MCI
Nonstop3h 39m
Delta
Deal found 4/29![Delta logo]()
$429
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 7/17:10 pm
STL
- BOS
Nonstop2h 30m
Southwest
Wed 7/86:25 pm
BOS
- STL
Nonstop3h 05m
Southwest
Deal found 4/29![Southwest logo]()
$411
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 6/58:54 am
JLN
- BOS
1 stop6h 35m
United Airlines
Sun 6/76:00 am
BOS
- JLN
1 stop8h 22m
United Airlines
Deal found 4/25![United Airlines logo]()
$415
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 9/53:30 pm
SGF
- BOS
1 stop6h 19m
Delta
Sun 9/138:00 am
BOS
- SGF
1 stop7h 45m
Delta
Deal found 4/27![Delta logo]()
$456
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 5/163:10 pm
COU
- BOS
1 stop5h 49m
United Airlines
Mon 5/186:00 am
BOS
- COU
1 stop5h 55m
United Airlines
Deal found 4/26![United Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/214:30 pm
STL
- BOS
2 stops6h 35m
Southwest
Wed 6/245:35 am
BOS
- STL
2 stops10h 15m
Southwest
Deal found 4/29![Southwest logo]()
$419
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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 7/297:45 pm
MCI
- BOS
Nonstop3h 10m
Delta
Wed 8/56:30 am
BOS
- MCI
1 stop13h 44m
Delta
Deal found 4/26![Delta logo]()
$460
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/108:54 am
JLN
- BOS
1 stop6h 35m
United Airlines
Mon 6/156:00 am
BOS
- JLN
1 stop8h 22m
United Airlines
Deal found 4/27![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 9/3011:20 am
MCI
- BOS
1 stop6h 15m
Southwest
Tue 10/135:35 am
BOS
- MCI
1 stop6h 45m
Southwest
Deal found 4/25![Southwest logo]()
$439
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 7/281:55 pm
BOS
- MCI
1 stop8h 01m
Delta
Deal found 4/29![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/108:54 am
JLN
- BOS
1 stop6h 35m
United Airlines
Wed 6/176:00 am
BOS
- JLN
1 stop8h 22m
United Airlines
Deal found 4/27![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 9/115:10 am
MCI
- BOS
1 stop5h 30m
Southwest
Wed 9/162:45 pm
BOS
- MCI
2 stops8h 20m
Southwest
Deal found 4/28![Southwest logo]()
$458
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/26:05 am
BOS
- MCI
Nonstop3h 37m
Delta
Deal found 4/29![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/149:06 am
JLN
- BOS
1 stop7h 16m
United Airlines
Mon 5/188:05 am
BOS
- JLN
1 stop6h 32m
United Airlines
Deal found 4/29![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/57:55 pm
STL
- BOS
Nonstop2h 30m
Southwest
Sun 6/75:50 am
BOS
- STL
Nonstop2h 55m
Southwest
Deal found 4/29![Southwest logo]()
$461
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/286:25 pm
MCI
- BOS
Nonstop3h 12m
Delta
Tue 6/24:05 pm
BOS
- MCI
Nonstop3h 38m
Delta
Deal found 4/25![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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
SGF
- BOS
2 stops9h 56m
United Airlines
Sat 10/316:00 am
BOS
- SGF
3 stops12h 19m
United Airlines
Deal found 4/29![United Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/115:40 am
STL
- BOS
1 stop6h 00m
Southwest
Fri 6/195:35 am
BOS
- STL
Nonstop2h 50m
Southwest
Deal found 4/27![Southwest logo]()
$471
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:00 pm
STL
- BOS
1 stop7h 27m
Delta
Mon 9/79:05 am
BOS
- STL
1 stop6h 33m
Delta
Deal found 4/26![Delta logo]()
$481
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/3010:20 am
STL
- BOS
1 stop5h 09m
United Airlines
Tue 7/75:45 am
BOS
- STL
2 stops7h 26m
United Airlines
Deal found 4/28![United Airlines logo]()
$479
Last-minute flights from Missouri to BostonDiscover last-minute flight deals from Missouri to Boston. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Boston. Data last updated April 30, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/66:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/136:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/28![Frontier logo]()
$225
This CheapOair deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 4/25![Frontier logo]()
$241
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
Fri 5/86:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/206:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/27![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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
Wed 5/2012:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/27![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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
Sat 5/166:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/27![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
Fri 5/156:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 5/186:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/26![Frontier logo]()
$245
This Expedia deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
Mon 5/186:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Wed 5/2712:01 pm
BOS
- MCI
1 stop6h 28m
Frontier
Deal found 4/29![Frontier logo]()
$231
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/233:25 pm
COU
- BOS
1 stop5h 31m
United Airlines
Sat 5/306:00 am
BOS
- COU
1 stop5h 18m
United Airlines
Deal found 4/25![United Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 5/272:34 pm
MCI
- BOS
2 stops43h 32m
Frontier
Wed 6/36:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/27![Frontier logo]()
$237
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/16:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/29![Frontier logo]()
$210
This Frontier deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 5/306:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Mon 6/16:00 am
BOS
- MCI
1 stop12h 29m
Frontier
Deal found 4/28![Frontier logo]()
$230
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/303:55 pm
STL
- BOS
Nonstop2h 45m
American Airlines
Tue 6/95:11 pm
BOS
- STL
Nonstop3h 10m
American Airlines
Deal found 4/29![American Airlines logo]()
$335
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 30, 2026.
Search for one-way flight options from Missouri to Boston. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/16:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Deal found 4/29![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 4/27![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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 6/106:16 pm
MCI
- BOS
1 stop12h 36m
Frontier
Deal found 4/28![Frontier logo]()
$99
This Expedia deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
Fri 5/156:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 4/29![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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 6/136:16 pm
MCI
- BOS
1 stop12h 36m
Frontier
Deal found 4/27![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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
Deal found 4/29![Frontier logo]()
$105
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/276:24 pm
MCI
- BOS
1 stop12h 25m
Frontier
Deal found 4/29![Frontier logo]()
$111
This Expedia deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
Thu 6/116:31 pm
STL
- BOS
1 stop12h 21m
Frontier
Deal found 4/27![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/275:27 pm
STL
- BOS
1 stop13h 22m
Frontier
Deal found 4/29![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 5/286:33 pm
STL
- BOS
2 stops15h 33m
Frontier
Deal found 4/29![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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 6/236:31 pm
STL
- BOS
2 stops15h 34m
Frontier
Deal found 4/29![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” 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 5/215:00 pm
STL
- BOS
1 stop13h 49m
Frontier
Deal found 4/25![Frontier logo]()
$140
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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $174 (Kiwi.com) |
One-way from | $76 (Trip.com) |
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 30, 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
Sat 5/23
3:25 pm-9:56 pm
1 stop5h 31m
Boston Logan Intl
Sat 5/30
6:00 am-10:18 am
1 stop5h 18m
$328
SpringfieldBoston
SGF - BOS
SGFBOS
Springfield-Branson
Mon 9/28
6:45 pm-1:06 am
1 stop5h 21m
Boston Logan Intl
Wed 10/7
6:55 am-2:50 pm
1 stop8h 55m
$349
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Tue 5/12
8:00 am-4:16 pm
1 stop7h 16m
Boston Logan Intl
Sat 5/16
6:00 am-10:55 am
1 stop5h 55m
$358
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Tue 5/12
6:00 am-4:18 pm
2 stops9h 18m
Boston Logan Intl
Sat 5/16
7:47 am-3:58 pm
2 stops9h 11m
$369
Kansas CityBoston
MCI - BOS
MCIBOS
Kansas City
Wed 6/10
1:20 pm-11:14 pm
1 stop8h 54m
Boston Logan Intl
Wed 6/17
6:10 am-8:38 am
Nonstop3h 28m
$385
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Fri 6/5
3:35 pm-10:50 pm
1 stop6h 15m
Boston Logan Intl
Tue 6/9
5:50 am-7:45 am
Nonstop2h 55m
$399
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
Wed 6/10
5:00 am-2:40 pm
2 stops8h 40m
Boston Logan Intl
Sat 6/13
6:00 am-10:48 am
1 stop5h 48m
$402
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Thu 5/28
7:40 pm-11:10 pm
Nonstop2h 30m
Boston Logan Intl
Sun 5/31
5:40 am-7:40 am
Nonstop3h 00m
$407
Quickest round-trip
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Thu 6/4
7:55 pm-11:25 pm
Nonstop2h 30m
Boston Logan Intl
Sun 6/7
5:50 am-7:45 am
Nonstop2h 55m
$407
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
Wed 7/1
7:10 pm-10:40 pm
Nonstop2h 30m
Boston Logan Intl
Wed 7/8
6:25 pm-8:30 pm
Nonstop3h 05m
$411
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
STL-BOS
MCI-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
COU-BOS
SGF-BOS
STL-BOS
MCI-BOS
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 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 30, 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 48% 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 25, 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.
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
Warwick
Peabody
Seabrook
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Waltham
Lowell
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 April 30, 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 30, 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 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$237 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$118 | Average$428 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$125 | Average$200 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$217 | Average$449 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$248 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$304 | Average$470 | FlexibilityNo cancel fee | On-time63% |