$65+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BOS
mag 4 — mag 111
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 aprile 4, 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 aprile 4, 2026.
This Expedia deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
ven 5/85:27 pm
STL
- BOS
1 stop6h 57m
Frontier
dom 5/106:00 am
BOS
- STL
1 stop11h 54m
Frontier
Deal found 3/31![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
ven 5/155:27 pm
STL
- BOS
1 stop6h 57m
Frontier
dom 5/176:00 am
BOS
- STL
1 stop11h 54m
Frontier
Deal found 3/31![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
ven 5/155:27 pm
STL
- BOS
1 stop6h 57m
Frontier
dom 5/246:00 am
BOS
- STL
1 stop12h 33m
Frontier
Deal found 3/30![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
sab 5/305:27 pm
STL
- BOS
1 stop6h 57m
Frontier
mar 6/96:00 am
BOS
- STL
1 stop12h 30m
Frontier
Deal found 3/31![Frontier logo]()
$200
This Priceline deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 5/165:27 pm
STL
- BOS
1 stop6h 57m
Frontier
mar 5/269:12 am
BOS
- STL
1 stop9h 21m
Frontier
Deal found 3/30![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
gio 5/146:55 pm
STL
- BOS
1 stop11h 54m
Frontier
dom 5/246:00 am
BOS
- STL
1 stop12h 33m
Frontier
Deal found 3/30![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
gio 6/46:33 pm
STL
- BOS
1 stop5h 51m
Frontier
dom 6/76:00 am
BOS
- STL
1 stop12h 33m
Frontier
Deal found 3/31![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
gio 5/216:33 pm
STL
- BOS
1 stop12h 16m
Frontier
mar 5/266:00 am
BOS
- STL
1 stop12h 33m
Frontier
Deal found 3/30![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
mar 6/236:33 pm
STL
- BOS
1 stop12h 19m
Frontier
dom 6/286:00 am
BOS
- STL
1 stop12h 30m
Frontier
Deal found 3/31![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
gio 4/96:29 pm
STL
- BOS
1 stop5h 57m
Frontier
dom 4/125:30 am
BOS
- STL
1 stop6h 08m
Frontier
Deal found 3/30![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
ven 5/18:23 pm
STL
- BOS
1 stop11h 53m
Frontier
lun 5/411:16 am
BOS
- STL
1 stop13h 03m
Frontier
Deal found 3/31![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
gio 6/116:33 pm
STL
- BOS
1 stop5h 54m
Frontier
mar 6/169:12 am
BOS
- STL
1 stop9h 18m
Frontier
Deal found 3/31![Frontier logo]()
$250
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 aprile 4, 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 aprile 4, 2026.
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
ven 9/256:45 pm
SGF
- BOS
1 stop5h 21m
Delta
mar 9/294:20 pm
BOS
- SGF
1 stop7h 09m
Delta
Deal found 3/30![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
gio 4/308:00 am
COU
- BOS
1 stop7h 16m
United Airlines
dom 5/37:30 am
BOS
- COU
1 stop8h 02m
United Airlines
Deal found 3/31![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
sab 5/910:55 am
STL
- BOS
2 stops6h 50m
Southwest
lun 5/117:20 am
BOS
- STL
2 stops9h 10m
Southwest
Deal found 4/3![Southwest logo]()
$383
This American Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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.
gio 4/234:28 pm
COU
- BOS
1 stop6h 57m
American Airlines
sab 4/2510:32 am
BOS
- COU
1 stop6h 26m
American Airlines
Deal found 4/2![American Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
mar 5/195:00 am
COU
- BOS
1 stop5h 01m
United Airlines
mar 6/303:08 pm
BOS
- COU
1 stop7h 51m
United Airlines
Deal found 3/31![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
mar 5/126:50 pm
STL
- BOS
Nonstop2h 30m
Southwest
ven 5/156:45 pm
BOS
- STL
Nonstop3h 10m
Southwest
Deal found 3/31![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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.
mer 7/17:40 pm
MCI
- BOS
Nonstop3h 13m
Delta
dom 7/56:10 am
BOS
- MCI
Nonstop3h 28m
Delta
Deal found 4/2![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
mer 6/177:10 pm
STL
- BOS
Nonstop2h 30m
Southwest
dom 6/215:50 am
BOS
- STL
Nonstop2h 55m
Southwest
Deal found 3/30![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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.
mar 5/511:30 am
COU
- BOS
1 stop4h 52m
United Airlines
sab 5/97:30 am
BOS
- COU
1 stop8h 02m
United Airlines
Deal found 4/1![United Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
sab 9/53:30 pm
SGF
- BOS
1 stop6h 19m
Delta
dom 9/138:00 am
BOS
- SGF
1 stop7h 45m
Delta
Deal found 3/31![Delta logo]()
$438
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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.
mar 6/24:15 pm
MCI
- BOS
1 stop5h 15m
Southwest
ven 6/52:20 pm
BOS
- MCI
Nonstop3h 20m
Southwest
Deal found 4/1![Southwest logo]()
$412
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
mer 8/129:00 am
COU
- BOS
2 stops11h 58m
United Airlines
sab 8/157:10 am
BOS
- COU
1 stop8h 20m
United Airlines
Deal found 3/30![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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.
mer 5/67:32 pm
MCI
- BOS
Nonstop3h 12m
Delta
sab 5/98:15 am
BOS
- MCI
Nonstop3h 39m
Delta
Deal found 4/2![Delta logo]()
$463
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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.
mer 7/228:54 am
JLN
- BOS
1 stop7h 35m
United Airlines
mer 7/298:15 am
BOS
- JLN
1 stop6h 07m
United Airlines
Deal found 4/2![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
mar 4/215:25 am
MCI
- BOS
2 stops7h 20m
Southwest
mar 4/288:10 am
BOS
- MCI
2 stops7h 25m
Southwest
Deal found 3/30![Southwest logo]()
$442
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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.
mar 5/126:25 pm
MCI
- BOS
Nonstop3h 12m
Delta
lun 5/184:05 pm
BOS
- MCI
Nonstop3h 38m
Delta
Deal found 4/2![Delta logo]()
$463
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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.
sab 5/306:00 am
STL
- BOS
2 stops12h 14m
United Airlines
lun 6/18:05 pm
BOS
- STL
1 stop17h 06m
United Airlines
Deal found 4/2![United Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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.
mar 5/264:10 pm
MCI
- BOS
1 stop5h 30m
Southwest
gio 5/284:45 pm
BOS
- MCI
2 stops7h 15m
Southwest
Deal found 4/2![Southwest logo]()
$454
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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.
ven 5/226:25 pm
MCI
- BOS
Nonstop3h 12m
Delta
gio 6/46:05 am
BOS
- MCI
Nonstop3h 37m
Delta
Deal found 4/2![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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.
ven 5/12:30 pm
STL
- BOS
Nonstop2h 35m
Southwest
dom 5/35:40 am
BOS
- STL
Nonstop3h 00m
Southwest
Deal found 4/1![Southwest logo]()
$461
This United Airlines deal was found by Cheapflights users on 3/29. 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.
mar 4/287:45 am
STL
- BOS
2 stops9h 34m
United Airlines
sab 5/24:35 pm
BOS
- STL
1 stop5h 38m
United Airlines
Deal found 3/29![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
gio 7/166:05 am
STL
- BOS
1 stop7h 18m
Delta
mer 7/296:45 am
BOS
- STL
1 stop8h 50m
Delta
Deal found 4/3![Delta logo]()
$472
This Delta deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
mer 7/153:40 pm
STL
- BOS
1 stop8h 40m
Delta
ven 7/315:30 am
BOS
- STL
1 stop5h 13m
Delta
Deal found 4/3![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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.
ven 7/248:54 am
JLN
- BOS
1 stop13h 24m
United Airlines
mer 7/298:15 am
BOS
- JLN
1 stop6h 07m
United Airlines
Deal found 4/2![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
mer 7/153:40 pm
STL
- BOS
1 stop8h 40m
Delta
lun 7/277:10 pm
BOS
- STL
1 stop5h 43m
Delta
Deal found 4/3![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
mar 4/288:56 am
JLN
- BOS
1 stop25h 05m
United Airlines
mar 5/57:30 am
BOS
- JLN
1 stop7h 07m
United Airlines
Deal found 3/31![United Airlines logo]()
$508
This Delta deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
mar 7/143:40 pm
STL
- BOS
1 stop8h 40m
Delta
lun 7/277:10 pm
BOS
- STL
1 stop5h 43m
Delta
Deal found 4/3![Delta logo]()
$472
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
ven 9/116:35 pm
SGF
- BOS
1 stop5h 30m
United Airlines
mar 9/159:34 am
BOS
- SGF
2 stops12h 10m
United Airlines
Deal found 3/30![United Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
gio 4/307:32 pm
MCI
- BOS
Nonstop3h 12m
Delta
dom 5/35:00 pm
BOS
- MCI
1 stop6h 21m
Delta
Deal found 3/31![Delta logo]()
$473
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
mar 8/47:45 am
SGF
- BOS
2 stops10h 29m
United Airlines
mar 8/116:00 am
BOS
- SGF
1 stop9h 33m
United Airlines
Deal found 4/3![United Airlines logo]()
$519
Last-minute flights from Missouri to BostonDiscover last-minute flight deals from Missouri to Boston. Data last updated aprile 4, 2026 and is based on user searches.
Discover last-minute flight deals from Missouri to Boston. Data last updated aprile 4, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
gio 4/26:29 pm
STL
- BOS
1 stop6h 00m
Frontier
dom 4/125:30 am
BOS
- STL
1 stop6h 08m
Frontier
Deal found 3/30![Frontier logo]()
$256
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
gio 4/96:29 pm
STL
- BOS
1 stop5h 57m
Frontier
dom 4/125:30 am
BOS
- STL
1 stop6h 08m
Frontier
Deal found 3/30![Frontier logo]()
$242
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
ven 5/18:23 pm
STL
- BOS
1 stop11h 53m
Frontier
lun 5/411:16 am
BOS
- STL
1 stop13h 03m
Frontier
Deal found 3/31![Frontier logo]()
$245
This Expedia deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
ven 5/18:23 pm
STL
- BOS
1 stop11h 53m
Frontier
dom 5/310:53 am
BOS
- STL
1 stop13h 26m
Frontier
Deal found 3/30![Frontier logo]()
$267
This Expedia deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
ven 5/85:27 pm
STL
- BOS
1 stop6h 57m
Frontier
dom 5/106:00 am
BOS
- STL
1 stop11h 54m
Frontier
Deal found 3/31![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
mar 5/126:33 pm
STL
- BOS
1 stop5h 51m
Frontier
ven 5/156:00 am
BOS
- STL
1 stop27h 55m
Frontier
Deal found 3/31![Frontier logo]()
$255
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
gio 5/146:55 pm
STL
- BOS
1 stop11h 54m
Frontier
dom 5/246:00 am
BOS
- STL
1 stop12h 33m
Frontier
Deal found 3/30![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
ven 5/155:27 pm
STL
- BOS
1 stop6h 57m
Frontier
dom 5/176:00 am
BOS
- STL
1 stop11h 54m
Frontier
Deal found 3/31![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
ven 5/155:27 pm
STL
- BOS
1 stop6h 57m
Frontier
dom 5/246:00 am
BOS
- STL
1 stop12h 33m
Frontier
Deal found 3/30![Frontier logo]()
$185
This Priceline deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 5/165:27 pm
STL
- BOS
1 stop6h 57m
Frontier
mar 5/269:12 am
BOS
- STL
1 stop9h 21m
Frontier
Deal found 3/30![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
gio 5/216:33 pm
STL
- BOS
1 stop12h 16m
Frontier
mar 5/266:00 am
BOS
- STL
1 stop12h 33m
Frontier
Deal found 3/30![Frontier logo]()
$225
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
sab 5/305:27 pm
STL
- BOS
1 stop6h 57m
Frontier
mar 6/96:00 am
BOS
- STL
1 stop12h 30m
Frontier
Deal found 3/31![Frontier logo]()
$200
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 aprile 4, 2026.
Search for one-way flight options from Missouri to Boston. Find affordable one-way fares based on user searches. Data last updated aprile 4, 2026.
This Trip.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
mer 6/35:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 4/3![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
mer 5/65:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 4/3![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
lun 5/48:23 pm
STL
- BOS
1 stop11h 11m
Frontier
Deal found 4/3![Frontier logo]()
$77
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
mer 5/66:24 pm
MCI
- BOS
1 stop6h 00m
Frontier
Deal found 3/31![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
mer 5/205:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 3/30![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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.
mer 6/105:33 pm
STL
- BOS
1 stop6h 54m
Frontier
Deal found 4/1![Frontier logo]()
$81
This Frontier deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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.
dom 5/106:55 pm
STL
- BOS
1 stop11h 54m
Frontier
Deal found 4/1![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
mar 5/56:41 pm
STL
- BOS
1 stop12h 58m
Frontier
Deal found 4/3![Frontier logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 4/115:45 am
MCI
- BOS
1 stop11h 24m
Spirit Airlines
Deal found 3/30![Spirit Airlines logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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.
lun 6/15:27 pm
STL
- BOS
1 stop13h 22m
Frontier
Deal found 4/2![Frontier logo]()
$95
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 5/305:27 pm
STL
- BOS
1 stop6h 57m
Frontier
Deal found 3/31![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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.
lun 4/278:23 pm
STL
- BOS
1 stop28h 08m
Frontier
Deal found 4/1![Frontier logo]()
$101
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 aprile 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $65 (Trip.com) |
Popular in | February |
Cheapest in | September |
Average price | $451 |
Good round-trip deal | $457 or less |
Good one-way deal | $235 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 aprile 4, 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
ven 9/25
6:45 pm-1:06 am
1 stop5h 21m
Boston Logan Intl
mar 9/29
4:20 pm-10:29 pm
1 stop7h 09m
$322
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
gio 4/30
8:00 am-4:16 pm
1 stop7h 16m
Boston Logan Intl
dom 5/3
7:30 am-2:32 pm
1 stop8h 02m
$328
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
mar 5/19
5:00 am-11:01 am
1 stop5h 01m
Boston Logan Intl
mar 6/30
3:08 pm-9:59 pm
1 stop7h 51m
$328
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
sab 5/9
10:55 am-6:45 pm
2 stops6h 50m
Boston Logan Intl
lun 5/11
7:20 am-3:30 pm
2 stops9h 10m
$383
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
mar 5/12
6:50 pm-10:20 pm
Nonstop2h 30m
Boston Logan Intl
ven 5/15
6:45 pm-8:55 pm
Nonstop3h 10m
$389
Quickest round-trip
St. LouisBoston
STL - BOS
STLBOS
Lambert-St Louis
mer 6/17
7:10 pm-10:40 pm
Nonstop2h 30m
Boston Logan Intl
dom 6/21
5:50 am-7:45 am
Nonstop2h 55m
$389
Kansas CityBoston
MCI - BOS
MCIBOS
Kansas City
mar 6/2
4:15 pm-10:30 pm
1 stop5h 15m
Boston Logan Intl
ven 6/5
2:20 pm-4:40 pm
Nonstop3h 20m
$412
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
mar 5/5
11:30 am-5:22 pm
1 stop4h 52m
Boston Logan Intl
sab 5/9
7:30 am-2:32 pm
1 stop8h 02m
$418
Kansas CityBoston
MCI - BOS
MCIBOS
Kansas City
mer 7/1
7:40 pm-11:53 pm
Nonstop3h 13m
Boston Logan Intl
dom 7/5
6:10 am-8:38 am
Nonstop3h 28m
$419
ColumbiaBoston
COU - BOS
COUBOS
Columbia Regional
mer 8/12
9:00 am-9:58 pm
2 stops11h 58m
Boston Logan Intl
sab 8/15
7:10 am-2:30 pm
1 stop8h 20m
$424
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Missouri to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Missouri with our price prediction graph.
MCI-BOS
SGF-BOS
STL-BOS
JLN-BOS
COU-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Boston
USMO-BOS
MCI-BOS
SGF-BOS
STL-BOS
JLN-BOS
What is the cheapest month to book a flight from Missouri to Boston?
Currently, September is the cheapest month in which you can book a flight from Missouri to Boston (average of $185). Flying from Missouri to Boston in March is currently the most expensive (average of $298). 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 aprile 4, 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 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 March 28, 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. Monday 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
Seabrook
Cranston
Chelsea
Warwick
Peabody
Waltham
York Beach
Londonderry
Swansea
Old Orchard Beach
Lincoln
Quincy
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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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 aprile 4, 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 aprile 4, 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 aprile 4, 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$428 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$217 | Average$451 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$304 | Average$460 | FlexibilityNo cancel fee | On-time63% |