$119+ Cheap flights from Boston (BOS) to Missouri
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STL
Oct 5 — Oct 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Missouri 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boston to Missouri
Cheapest
Best
Last-minute
One-way
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 September 5, 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 September 5, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 10/156:10 am -
Nonstop3h 35m
Mon 10/197:30 pm -
Nonstop3h 09m
Deal found 9/3![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 10/224:05 pm -
Nonstop3h 28m
Wed 10/2810:32 am -
1 stop4h 43m
Deal found 9/2![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 9/2. 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.
Fri 10/234:05 pm -
Nonstop3h 28m
Thu 10/299:40 am -
Nonstop3h 09m
Deal found 9/2![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 9/1. 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.
Wed 10/211:15 pm -
Nonstop3h 30m
Wed 10/288:10 am -
2 stops8h 00m
Deal found 9/1![Southwest logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Thu 10/112:34 pm -
1 stop21h 12m
Mon 10/59:16 am -
2 stops25h 51m
Deal found 9/1![Multiple Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 10/226:20 am -
1 stop5h 30m
Mon 10/266:44 pm -
1 stop5h 36m
Deal found 9/2![Delta logo]()
$299
This Delta deal was found by Cheapflights users on 9/2. 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.
Fri 10/236:20 am -
1 stop5h 30m
Mon 10/267:30 pm -
Nonstop3h 09m
Deal found 9/2![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 9/2. 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.
Thu 10/225:35 am -
1 stop5h 30m
Tue 10/2711:45 am -
2 stops8h 35m
Deal found 9/2![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 9/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:05 pm -
Nonstop3h 28m
Fri 10/307:30 pm -
Nonstop3h 09m
Deal found 9/1![Delta logo]()
$305
This Southwest deal was found by Cheapflights users on 9/2. 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.
Tue 11/102:35 pm -
2 stops8h 30m
Fri 11/131:15 pm -
Nonstop2h 55m
Deal found 9/2![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 9/4. 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 10/35:30 am -
1 stop8h 51m
Mon 10/57:30 pm -
Nonstop3h 11m
Deal found 9/4![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/25:10 pm -
1 stop6h 02m
Wed 10/74:29 pm -
1 stop6h 30m
Deal found 9/2![American Airlines logo]()
$312
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 September 5, 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 September 5, 2026.
This Delta deal was found by Cheapflights users on 9/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:40 am -
1 stop5h 11m
Mon 10/57:30 pm -
Nonstop3h 11m
Deal found 9/1![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 9/256:00 am -
1 stop5h 39m
Sat 9/263:19 pm -
1 stop5h 40m
Deal found 9/4![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 9/1. 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.
Fri 10/165:25 am -
Nonstop3h 00m
Mon 10/197:55 pm -
Nonstop2h 40m
Deal found 9/1![Southwest logo]()
$343
This American Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 11/64:41 pm -
1 stop6h 34m
Tue 11/1010:24 am -
1 stop7h 25m
Deal found 9/1![American Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 9/2. 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.
Sat 10/39:10 am -
1 stop5h 08m
Mon 10/55:45 pm -
1 stop5h 13m
Deal found 9/2![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 9/2. 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 10/159:23 am -
1 stop6h 15m
Mon 10/1911:15 am -
1 stop7h 07m
Deal found 9/2![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 9/3. 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.
Fri 10/25:40 am -
1 stop5h 11m
Wed 10/77:30 pm -
Nonstop3h 09m
Deal found 9/3![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 9/2. 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.
Wed 11/185:35 pm -
1 stop5h 35m
Sat 11/214:45 pm -
2 stops6h 20m
Deal found 9/2![Southwest logo]()
$368
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 9/156:00 am -
1 stop5h 39m
Sat 9/196:15 am -
1 stop5h 35m
Deal found 8/31![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 9/3. 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 9/295:25 am -
2 stops7h 45m
Wed 9/308:45 pm -
1 stop11h 10m
Deal found 9/3![Southwest logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Thu 10/16:00 am -
1 stop7h 09m
Thu 10/87:32 am -
1 stop5h 35m
Deal found 9/1![United Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 9/1. 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 10/317:20 am -
2 stops9h 20m
Sun 11/14:30 pm -
1 stop6h 10m
Deal found 9/1![Southwest logo]()
$391
This American Airlines deal was found by Cheapflights users on 9/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:58 pm -
1 stop6h 48m
Tue 9/225:44 am -
1 stop7h 24m
Deal found 9/3![American Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 8/31. 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.
Fri 10/234:05 pm -
Nonstop3h 28m
Sun 10/259:40 am -
Nonstop3h 09m
Deal found 8/31![Delta logo]()
$407
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Thu 10/19:23 am -
1 stop7h 39m
Fri 10/21:48 pm -
1 stop9h 11m
Deal found 9/1![United Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 8/31. 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.
Thu 10/14:10 pm -
Nonstop3h 25m
Sun 10/47:30 pm -
Nonstop3h 11m
Deal found 8/31![Delta logo]()
$407
This American Airlines deal was found by Cheapflights users on 9/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:18 am -
1 stop7h 39m
Mon 11/306:13 am -
1 stop7h 12m
Deal found 9/4![American Airlines logo]()
$493
This Southwest deal was found by Cheapflights users on 9/2. 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.
Sun 10/255:35 am -
1 stop5h 30m
Mon 10/268:20 am -
Nonstop3h 05m
Deal found 9/2![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 9/2. 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 9/246:43 pm -
1 stop5h 35m
Tue 9/296:00 am -
2 stops7h 35m
Deal found 9/2![United Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 9/1. 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.
Thu 10/85:25 am -
Nonstop3h 00m
Sun 10/114:25 pm -
2 stops6h 45m
Deal found 9/1![Southwest logo]()
$419
This Delta deal was found by Cheapflights users on 9/3. 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.
Sun 10/186:20 am -
1 stop5h 30m
Mon 11/166:45 am -
1 stop6h 36m
Deal found 9/3![Delta logo]()
$420
This Southwest deal was found by Cheapflights users on 9/1. 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 9/268:10 am -
2 stops6h 25m
Sat 10/312:55 pm -
2 stops8h 10m
Deal found 9/1![Southwest logo]()
$430
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/75:01 pm -
1 stop5h 20m
Mon 10/191:29 pm -
2 stops8h 16m
Deal found 9/1![United Airlines logo]()
$432
This American Airlines deal was found by Cheapflights users on 8/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:34 pm -
1 stop8h 12m
Thu 10/15:44 am -
1 stop7h 24m
Deal found 8/31![American Airlines logo]()
$606
This Southwest deal was found by Cheapflights users on 9/3. 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.
Sun 11/1510:10 am -
1 stop8h 00m
Thu 11/198:15 am -
1 stop7h 35m
Deal found 9/3![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Mon 9/217:05 am -
1 stop7h 13m
Mon 9/281:30 pm -
2 stops10h 24m
Deal found 8/31![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 9/4. 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 9/1010:15 am -
1 stop5h 48m
Mon 9/145:34 pm -
1 stop6h 43m
Deal found 9/4![Delta logo]()
$529
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:10 am -
1 stop5h 45m
Wed 11/116:00 am -
2 stops7h 30m
Deal found 9/4![Southwest logo]()
$448
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 9/257:01 am -
1 stop6h 12m
Sat 9/268:00 am -
2 stops10h 07m
Deal found 9/3![United Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:15 pm -
1 stop6h 50m
Sat 12/51:10 pm -
2 stops7h 50m
Deal found 9/4![Southwest logo]()
$448
Last-minute flights from Boston to MissouriDiscover last-minute flight deals from Boston to Missouri. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Missouri. Data last updated September 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Fri 9/256:00 am -
1 stop5h 39m
Sat 9/263:19 pm -
1 stop5h 40m
Deal found 9/4![United Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Thu 10/112:34 pm -
1 stop21h 12m
Mon 10/59:16 am -
2 stops25h 51m
Deal found 9/1![Multiple Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/25:10 pm -
1 stop6h 02m
Wed 10/74:29 pm -
1 stop6h 30m
Deal found 9/2![American Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 9/4. 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 10/35:30 am -
1 stop8h 51m
Mon 10/57:30 pm -
Nonstop3h 11m
Deal found 9/4![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 9/3. 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 10/156:10 am -
Nonstop3h 35m
Sat 10/1712:55 pm -
Nonstop3h 10m
Deal found 9/3![Delta logo]()
$279
This Southwest deal was found by Cheapflights users on 9/1. 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.
Wed 10/211:15 pm -
Nonstop3h 30m
Wed 10/288:10 am -
2 stops8h 00m
Deal found 9/1![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 10/224:05 pm -
Nonstop3h 28m
Wed 10/2810:32 am -
1 stop4h 43m
Deal found 9/2![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 10/226:20 am -
1 stop5h 30m
Mon 10/266:44 pm -
1 stop5h 36m
Deal found 9/2![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 9/2. 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.
Thu 10/225:35 am -
1 stop5h 30m
Tue 10/2711:45 am -
2 stops8h 35m
Deal found 9/2![Southwest logo]()
$304
This Delta deal was found by Cheapflights users on 9/2. 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.
Fri 10/234:05 pm -
Nonstop3h 28m
Thu 10/299:40 am -
Nonstop3h 09m
Deal found 9/2![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 9/2. 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.
Fri 10/236:20 am -
1 stop5h 30m
Mon 10/267:30 pm -
Nonstop3h 09m
Deal found 9/2![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 9/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:05 pm -
Nonstop3h 28m
Fri 10/307:30 pm -
Nonstop3h 09m
Deal found 9/1![Delta logo]()
$305
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 September 5, 2026.
Search for one-way flight options from Boston to Missouri. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Frontier deal was found by Cheapflights users on 9/2. 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.
Thu 10/111:17 am -
1 stop7h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$119
This Frontier deal was found by Cheapflights users on 9/2. 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.
Sat 11/2111:40 am -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 9/3. 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.
Thu 12/311:57 am -
1 stop13h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$125
This Super.com deal was found by Cheapflights users on 8/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:17 am -
1 stop7h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Frontier logo]()
$126
This Trip.com deal was found by Cheapflights users on 9/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:57 am -
1 stop22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Tue 9/2912:52 pm -
1 stop25h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Sun 11/1512:34 pm -
1 stop21h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Allegiant Air logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Thu 11/1212:34 pm -
1 stop21h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Allegiant Air logo]()
$138
This Southwest deal was found by Cheapflights users on 9/2. 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.
Thu 10/152:45 pm -
Nonstop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Southwest logo]()
$140
This Frontier deal was found by Cheapflights users on 9/2. 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 11/2311:40 am -
1 stop8h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 8/31. 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.
Thu 12/310:29 am -
1 stop30h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![Allegiant Air logo]()
$149
This Frontier deal was found by Cheapflights users on 9/3. 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.
Thu 9/1011:17 am -
1 stop7h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$150
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 September 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $279 (Delta) |
One-way from | $119 (Frontier) |
Popular in | July |
Cheapest in | January |
Average price | $480 |
Good round-trip deal | $379 or less |
Good one-way deal | $232 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 7,457,451 searches. Data last updated September 5, 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
BostonKansas City
BOS Boston Logan Intl - MCI Kansas City
BOSMCI
Boston Logan Intl
Sat 10/31
3:41 pm-8:30 pm
1 stop5h 49m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
BostonKansas City
BOS Boston Logan Intl - MCI Kansas City
BOSMCI
Boston Logan Intl
Tue 11/3
1:35 pm-7:05 pm
1 stop6h 30m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
BostonKansas City
BOS Boston Logan Intl - MCI Kansas City
BOSMCI
Boston Logan Intl
Thu 12/3
12:20 pm-5:53 pm
1 stop6h 33m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$150
BostonKansas City
BOS Boston Logan Intl - MCI Kansas City
BOSMCI
Boston Logan Intl
Thu 10/15
2:45 pm-5:15 pm
Nonstop3h 30m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$153
BostonKansas City
BOS Boston Logan Intl - MCI Kansas City
BOSMCI
Boston Logan Intl
Fri 10/30
4:05 pm-6:33 pm
Nonstop3h 28m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$153
BostonSt. Louis
BOS Boston Logan Intl - STL Lambert-St Louis
BOSSTL
Boston Logan Intl
Wed 12/2
5:10 pm-7:20 pm
Nonstop3h 10m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
BostonSt. Louis
BOS Boston Logan Intl - STL Lambert-St Louis
BOSSTL
Boston Logan Intl
Sat 10/10
9:23 am-3:43 pm
1 stop7h 20m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
BostonSt. Louis
BOS Boston Logan Intl - STL Lambert-St Louis
BOSSTL
Boston Logan Intl
Wed 9/30
5:25 am-12:10 pm
2 stops7h 45m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$174
Quickest round-trip
BostonSt. Louis
BOS Boston Logan Intl - STL Lambert-St Louis
BOSSTL
Boston Logan Intl
Fri 10/16
5:25 am-7:25 am
Nonstop3h 00m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
BostonKansas City
BOS Boston Logan Intl - MCI Kansas City
BOSMCI
Boston Logan Intl
Thu 10/22
10:51 am-7:46 pm
2 stops9h 55m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$200
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-COU
BOS-STL
BOS-JLN
BOS-SGF
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-COU
BOS-STL
BOS-JLN
What is the cheapest month to book a flight from Boston to Missouri?
Currently, January is the cheapest month in which you can book a flight from Boston to Missouri (average of $446). Flying from Boston to Missouri in March is currently the most expensive (average of $556). 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 September 5, 2026.
It’s optimal to fly from Boston to Missouri in the evening. By choosing this option you can save up to 22% 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?
Airfare is below average for this route at the moment.
Boston to Missouri flights typically cost between $379 and $665 in October.The cheapest round-trip price found within the last 5 days was $337 on American Airlines (Oct 8-Oct 13).
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 29 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 August 29, 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. Wednesday evenings 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 September 5, 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.
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
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.
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
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Boston to Missouri
See prices for flight routes from nearby airports that may be better suited for you.
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 September 5, 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 7,457,451 searches. Data last updated September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$242 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$133 | Average$541 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$182 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$223 | Average$474 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$274 | Average$439 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$340 | Average$504 | FlexibilityNo cancel fee | On-time63% |