$99+ Cheap flights from Boston (BOS) to Missouri
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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MCI
Jul 6 — Jul 131
Round-trip
1 adult, Economy
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Cheapest flights from Boston to MissouriExplore the most affordable flight options available from Boston to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.
Explore the most affordable flight options available from Boston to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Fri 7/36:16 pm
MCI
- BOS
2 stops15h 49m
Frontier
Deal found 6/5![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/266:00 am
BOS
- MCI
1 stop12h 24m
Frontier
Fri 8/286:19 pm
MCI
- BOS
1 stop12h 29m
Frontier
Deal found 6/4![Frontier logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:01 pm
BOS
- MCI
1 stop6h 20m
Frontier
Fri 7/106:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Deal found 6/5![Frontier logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 8/511:59 am
BOS
- MCI
1 stop6h 11m
Frontier
Fri 8/76:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Deal found 6/3![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/226:00 am
BOS
- MCI
1 stop12h 24m
Frontier
Fri 8/286:19 pm
MCI
- BOS
1 stop12h 29m
Frontier
Deal found 6/4![Frontier logo]()
$273
This Frontier deal was found by Cheapflights users on 6/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:59 am
BOS
- MCI
1 stop6h 11m
Frontier
Wed 8/196:19 pm
MCI
- BOS
1 stop6h 08m
Frontier
Deal found 6/3![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/1311:59 am
BOS
- MCI
1 stop6h 11m
Frontier
Fri 7/176:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Deal found 6/6![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 7/16:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Mon 7/66:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Deal found 6/3![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 6/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:59 am
BOS
- MCI
1 stop6h 11m
Frontier
Sat 8/226:19 pm
MCI
- BOS
1 stop6h 08m
Frontier
Deal found 6/2![Frontier logo]()
$282
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/16:00 am
BOS
- COU
1 stop5h 13m
United Airlines
Tue 7/710:49 am
COU
- BOS
1 stop5h 42m
United Airlines
Deal found 6/1![United Airlines logo]()
$308
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:05 am
BOS
- COU
2 stops9h 45m
United Airlines
Fri 7/103:25 pm
COU
- BOS
1 stop6h 56m
United Airlines
Deal found 6/4![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/410:20 am
BOS
- SGF
1 stop6h 00m
Delta
Tue 7/146:53 pm
SGF
- BOS
1 stop5h 27m
Delta
Deal found 6/4![Delta logo]()
$329
Best flights from Boston to MissouriDiscover carefully curated flight deals from Boston to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
Discover carefully curated flight deals from Boston to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:19 am
BOS
- COU
1 stop8h 31m
United Airlines
Fri 7/103:25 pm
COU
- BOS
1 stop6h 56m
United Airlines
Deal found 6/6![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/227:00 am
BOS
- STL
1 stop5h 47m
Delta
Wed 7/225:00 pm
STL
- BOS
1 stop5h 31m
Delta
Deal found 6/4![Delta logo]()
$357
This American Airlines deal was found by Cheapflights users on 6/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:01 pm
BOS
- COU
1 stop7h 16m
American Airlines
Sat 6/2010:36 am
COU
- BOS
1 stop7h 14m
American Airlines
Deal found 6/1![American Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 6/3. 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.
Wed 7/155:50 am
BOS
- STL
Nonstop2h 55m
Southwest
Sat 7/188:45 pm
STL
- BOS
Nonstop2h 35m
Southwest
Deal found 6/3![Southwest logo]()
$384
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/236:00 am
BOS
- COU
1 stop5h 13m
United Airlines
Sat 6/273:25 pm
COU
- BOS
1 stop6h 56m
United Airlines
Deal found 6/4![United Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/16:00 am
BOS
- COU
1 stop5h 13m
United Airlines
Tue 7/78:00 am
COU
- BOS
2 stops10h 28m
United Airlines
Deal found 6/1![United Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:25 pm
BOS
- STL
Nonstop3h 05m
Southwest
Sun 7/262:35 pm
STL
- BOS
Nonstop2h 35m
Southwest
Deal found 6/5![Southwest logo]()
$399
This American Airlines deal was found by Cheapflights users on 6/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:00 am
BOS
- COU
1 stop6h 06m
American Airlines
Wed 7/810:32 am
COU
- BOS
2 stops7h 34m
American Airlines
Deal found 6/1![American Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:50 am
BOS
- MCI
1 stop5h 58m
Delta
Wed 7/159:40 am
MCI
- BOS
Nonstop3h 04m
Delta
Deal found 6/4![Delta logo]()
$407
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Fri 7/106:43 pm
BOS
- COU
1 stop5h 50m
United Airlines
Fri 7/243:25 pm
COU
- BOS
1 stop6h 56m
United Airlines
Deal found 6/2![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/85:50 am
BOS
- STL
Nonstop2h 55m
Southwest
Sun 7/128:00 pm
STL
- BOS
Nonstop2h 35m
Southwest
Deal found 6/5![Southwest logo]()
$399
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:00 am
BOS
- SGF
1 stop5h 44m
United Airlines
Sat 7/116:34 pm
SGF
- BOS
1 stop5h 40m
United Airlines
Deal found 6/5![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:10 am
BOS
- MCI
Nonstop3h 31m
Delta
Mon 7/274:04 pm
MCI
- BOS
1 stop4h 57m
Delta
Deal found 6/5![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 6/1. 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.
Tue 7/2111:35 am
BOS
- MCI
1 stop4h 55m
Southwest
Tue 8/44:15 pm
MCI
- BOS
1 stop4h 55m
Southwest
Deal found 6/1![Southwest logo]()
$412
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 6/178:15 am
BOS
- COU
1 stop7h 34m
United Airlines
Sat 6/203:25 pm
COU
- BOS
2 stops7h 34m
United Airlines
Deal found 6/1![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:30 am
BOS
- STL
Nonstop2h 50m
Southwest
Sun 8/237:20 am
STL
- BOS
1 stop4h 20m
Southwest
Deal found 6/5![Southwest logo]()
$420
This Delta deal was found by Cheapflights users on 6/2. 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.
Mon 8/176:10 am
BOS
- MCI
Nonstop3h 31m
Delta
Sat 8/229:00 am
MCI
- BOS
1 stop7h 50m
Delta
Deal found 6/2![Delta logo]()
$473
This Southwest deal was found by Cheapflights users on 6/3. 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.
Tue 7/145:25 am
BOS
- MCI
2 stops9h 30m
Southwest
Tue 7/212:30 pm
MCI
- BOS
1 stop5h 55m
Southwest
Deal found 6/3![Southwest logo]()
$422
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/93:10 pm
BOS
- SGF
1 stop7h 59m
Delta
Sun 6/146:57 pm
SGF
- BOS
1 stop5h 34m
Delta
Deal found 6/5![Delta logo]()
$477
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
BOS
- COU
1 stop5h 13m
United Airlines
Sat 7/48:00 am
COU
- BOS
1 stop7h 33m
United Airlines
Deal found 6/4![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:10 pm
BOS
- MCI
Nonstop3h 38m
Delta
Sun 7/265:35 pm
MCI
- BOS
Nonstop3h 08m
Delta
Deal found 6/4![Delta logo]()
$477
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:25 pm
BOS
- STL
2 stops8h 25m
Southwest
Tue 7/710:15 am
STL
- BOS
1 stop5h 50m
Southwest
Deal found 6/5![Southwest logo]()
$456
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 12/212:30 pm
BOS
- JLN
2 stops11h 49m
United Airlines
Wed 12/98:52 am
JLN
- BOS
1 stop7h 36m
United Airlines
Deal found 6/5![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 6/3. 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.
Thu 8/136:10 am
BOS
- MCI
Nonstop3h 31m
Delta
Sun 8/165:55 pm
MCI
- BOS
Nonstop3h 08m
Delta
Deal found 6/3![Delta logo]()
$477
This Southwest deal was found by Cheapflights users on 6/1. 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.
Sat 7/45:30 am
BOS
- STL
2 stops7h 35m
Southwest
Mon 7/62:30 pm
STL
- BOS
Nonstop2h 35m
Southwest
Deal found 6/1![Southwest logo]()
$461
This Delta deal was found by Cheapflights users on 6/3. 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.
Mon 7/65:30 am
BOS
- STL
1 stop5h 02m
Delta
Fri 7/1012:28 pm
STL
- BOS
1 stop7h 17m
Delta
Deal found 6/3![Delta logo]()
$481
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/96:50 pm
BOS
- STL
Nonstop3h 05m
Southwest
Sun 7/125:10 pm
STL
- BOS
1 stop6h 00m
Southwest
Deal found 6/5![Southwest logo]()
$471
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Thu 8/139:00 am
BOS
- STL
1 stop7h 38m
United Airlines
Sat 8/157:25 am
STL
- BOS
2 stops8h 22m
United Airlines
Deal found 6/2![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 8/125:30 am
BOS
- MCI
1 stop6h 47m
Delta
Sun 8/169:36 am
MCI
- BOS
Nonstop3h 04m
Delta
Deal found 6/4![Delta logo]()
$487
This Southwest deal was found by Cheapflights users on 6/3. 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.
Thu 8/1312:40 pm
BOS
- MCI
1 stop6h 45m
Southwest
Sun 8/165:45 am
MCI
- BOS
1 stop4h 40m
Southwest
Deal found 6/3![Southwest logo]()
$471
Last-minute flights from Boston to MissouriDiscover last-minute flight deals from Boston to Missouri. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Missouri. Data last updated June 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/246:00 am
BOS
- MCI
1 stop12h 21m
Multiple Airlines
Fri 6/263:09 pm
MCI
- BOS
1 stop17h 55m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$285
This Expedia deal was found by Cheapflights users on 6/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Mon 6/296:16 pm
MCI
- BOS
1 stop6h 11m
Frontier
Deal found 6/2![Frontier logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Tue 6/306:00 am
BOS
- MCI
2 stops27h 47m
Frontier
Fri 7/36:16 pm
MCI
- BOS
1 stop12h 32m
Frontier
Deal found 6/3![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Fri 7/36:16 pm
MCI
- BOS
2 stops15h 49m
Frontier
Deal found 6/5![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 7/16:00 am
BOS
- MCI
1 stop12h 21m
Frontier
Mon 7/66:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Deal found 6/3![Frontier logo]()
$280
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 7/16:00 am
BOS
- COU
1 stop5h 13m
United Airlines
Tue 7/710:49 am
COU
- BOS
1 stop5h 42m
United Airlines
Deal found 6/1![United Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:01 pm
BOS
- MCI
1 stop6h 20m
Frontier
Fri 7/106:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Deal found 6/5![Frontier logo]()
$264
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:05 am
BOS
- COU
2 stops9h 45m
United Airlines
Fri 7/103:25 pm
COU
- BOS
1 stop6h 56m
United Airlines
Deal found 6/4![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/410:20 am
BOS
- SGF
1 stop6h 00m
Delta
Thu 7/96:53 pm
SGF
- BOS
1 stop5h 27m
Delta
Deal found 6/4![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:59 am
BOS
- MCI
1 stop6h 11m
Frontier
Wed 7/226:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Deal found 6/5![Frontier logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 7/1311:59 am
BOS
- MCI
1 stop6h 11m
Frontier
Fri 7/176:07 pm
MCI
- BOS
1 stop12h 35m
Frontier
Deal found 6/6![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/208:41 am
BOS
- MCI
2 stops9h 29m
Frontier
Wed 7/226:07 pm
MCI
- BOS
1 stop15h 50m
Frontier
Deal found 6/5![Frontier logo]()
$292
One-way flights from Boston to MissouriSearch for one-way flight options from Boston to Missouri. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
Search for one-way flight options from Boston to Missouri. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/266:00 am
BOS
- MCI
1 stop12h 24m
Frontier
Deal found 6/5![Frontier logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/186:00 am
BOS
- STL
1 stop27h 52m
Frontier
Deal found 6/5![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 6/236:00 am
BOS
- STL
1 stop27h 52m
Frontier
Deal found 6/4![Frontier logo]()
$114
This Priceline deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
Tue 8/411:52 am
BOS
- STL
1 stop6h 45m
Frontier
Deal found 6/5![Frontier logo]()
$115
This Frontier deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/309:10 am
BOS
- STL
1 stop9h 20m
Frontier
Deal found 6/5![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Thu 8/279:12 am
BOS
- STL
1 stop9h 18m
Frontier
Deal found 6/3![Frontier logo]()
$123
This Trip.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
Wed 7/810:04 am
BOS
- STL
1 stop14h 55m
Frontier
Deal found 6/5![Frontier logo]()
$124
This Trip.com deal was found by Cheapflights users on 6/3. 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.
Wed 7/1510:04 am
BOS
- STL
1 stop14h 55m
Frontier
Deal found 6/3![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 8/316:00 am
BOS
- MCI
1 stop12h 24m
Frontier
Deal found 6/6![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
Thu 9/39:12 am
BOS
- STL
1 stop9h 18m
Frontier
Deal found 6/5![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/26:00 am
BOS
- STL
1 stop27h 52m
Frontier
Deal found 6/4![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 8/196:00 am
BOS
- MCI
1 stop12h 24m
Frontier
Deal found 6/3![Frontier logo]()
$128
Find flight deals from Boston to Missouri
Keep the following information in mind while searching for Boston to Missouri flight deals. Data was last updated June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $246 (Kiwi.com) |
One-way from | $99 (Kiwi.com) |
Popular in | July |
Cheapest in | August |
Average price | $489 |
Good round-trip deal | $407 or less |
Good one-way deal | $218 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Missouri that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 6, 2026.
Use the filters below to find and compare flights from Boston to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonColumbia
BOS - COU
BOSCOU
Boston Logan Intl
Sat 7/4
7:19 am-2:50 pm
1 stop8h 31m
Columbia Regional
Fri 7/10
3:25 pm-11:21 pm
1 stop6h 56m
$318
BostonColumbia
BOS - COU
BOSCOU
Boston Logan Intl
Tue 6/23
6:00 am-10:13 am
1 stop5h 13m
Columbia Regional
Sat 6/27
3:25 pm-11:21 pm
1 stop6h 56m
$333
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 7/22
7:00 am-11:47 am
1 stop5h 47m
Lambert-St Louis
Wed 7/22
5:00 pm-11:31 pm
1 stop5h 31m
$357
BostonColumbia
BOS - COU
BOSCOU
Boston Logan Intl
Wed 6/17
12:01 pm-6:17 pm
1 stop7h 16m
Columbia Regional
Sat 6/20
10:36 am-6:50 pm
1 stop7h 14m
$358
BostonColumbia
BOS - COU
BOSCOU
Boston Logan Intl
Wed 7/1
6:00 am-10:13 am
1 stop5h 13m
Columbia Regional
Tue 7/7
8:00 am-7:28 pm
2 stops10h 28m
$358
BostonColumbia
BOS - COU
BOSCOU
Boston Logan Intl
Fri 7/10
6:43 pm-11:33 pm
1 stop5h 50m
Columbia Regional
Fri 7/24
3:25 pm-11:21 pm
1 stop6h 56m
$359
BostonSpringfield
BOS - SGF
BOSSGF
Boston Logan Intl
Tue 7/7
6:00 am-10:44 am
1 stop5h 44m
Springfield-Branson
Sat 7/11
6:34 pm-1:14 am
1 stop5h 40m
$360
BostonColumbia
BOS - COU
BOSCOU
Boston Logan Intl
Wed 6/17
8:15 am-2:49 pm
1 stop7h 34m
Columbia Regional
Sat 6/20
3:25 pm-11:59 pm
2 stops7h 34m
$364
Quickest round-trip
BostonSt. Louis
BOS - STL
BOSSTL
Boston Logan Intl
Wed 7/15
5:50 am-7:45 am
Nonstop2h 55m
Lambert-St Louis
Sat 7/18
8:45 pm-12:20 am
Nonstop2h 35m
$384
BostonColumbia
BOS - COU
BOSCOU
Boston Logan Intl
Wed 7/1
6:00 am-10:13 am
1 stop5h 13m
Columbia Regional
Sat 7/4
8:00 am-4:33 pm
1 stop7h 33m
$398
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Boston with our price prediction graph.
BOS-MCI
BOS-STL
BOS-COU
BOS-SGF
BOS-JLN
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 Boston to Missouri
BOS-USMO
BOS-MCI
BOS-STL
BOS-COU
BOS-SGF
What is the cheapest month to book a flight from Boston to Missouri?
Currently, August is the cheapest month in which you can book a flight from Boston to Missouri (average of $63). Flying from Boston to Missouri in April is currently the most expensive (average of $218). 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 BOS to MO?
Find hourly flight availability from Boston to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 6, 2026.
It’s optimal to fly from Boston to Missouri in the evening. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the afternoon.
How much does it cost to fly round-trip from Boston to Missouri?
How far ahead should I book a flight from Boston to Missouri?
The price you pay for your flight from Boston to Missouri may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Boston to Missouri?
Use this chart to determine the cheapest time to fly round-trip from Boston to Missouri. Price data was last updated on May 30, 2026.
Travelers seeking maximum savings on their Boston to Missouri flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Missouri
Get insights into the airlines that provide service to Missouri. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missouri. Reviews last updated June 6, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Boston to Missouri. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Boston to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Boston to Missouri
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Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Missouri by cabin class
Find flights from Boston to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Missouri flights
Browse other Boston and Missouri flight options. Last updated on June 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Missouri flights
Consider these flights traveling from Boston to Missouri.
Top 6 airlines flying from Boston to Missouri
Discover the top 6 airlines that operate flights from Boston to Missouri. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$221 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$133 | Average$488 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$430 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$223 | Average$487 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$308 | Average$482 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$327 | Average$430 | FlexibilityNo cancel fee | On-time62% |