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Find cheap flights from Missouri to Boston from $47

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Boston departing on 5/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 5/29
Wed 6/5

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In the last 7 days travelers have searched 43,983,279 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$47
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly with an average 21% increase in price.
Flight from St. Louis to Boston

FAQs for booking flights from Missouri to Boston

  • How does KAYAK find such low prices on flights from Missouri to Boston?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Boston.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Boston?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Missouri to Boston?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boston with an airline and back to Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Boston?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boston from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Missouri to Boston?

Find which airlines fly direct from Missouri to Logan Intl, which days they fly and book direct flights.

Nonstop departures

Missouri to Boston Logan Intl

Monday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Wednesday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Thursday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights

Nonstop returns

Boston Logan Intl to Missouri

Monday

ANA, Aer Lingus, Aerolineas Argentinas, +77 more

ANA, Aer Lingus, +78 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Wednesday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Thursday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights
See more direct flights

Book cheap flights from Missouri to Boston

Recent round-trip flight deals

5/29Wed
1 stopFrontier
10h 30mSTL-BOS
6/5Wed
1 stopFrontier
22h 52mBOS-STL
$119
6/1Sat
1 stopFrontier
10h 58mSTL-BOS
6/5Wed
1 stopFrontier
22h 52mBOS-STL
$128
5/11Sat
2 stopsSpirit Airlines
11h 26mMCI-BOS
5/14Tue
2 stopsSpirit Airlines
22h 20mBOS-MCI
$170
5/29Wed
1 stop
9h 47mMCI-BOS
6/5Wed
1 stop
9h 14mBOS-MCI
$181
6/4Tue
1 stop
11h 32mSTL-BOS
6/6Thu
1 stop
12h 18mBOS-STL
$182
5/11Sat
2 stopsSpirit Airlines
11h 26mMCI-BOS
5/14Tue
3 stopsSpirit Airlines
20h 14mBOS-MCI
$183
8/7Wed
nonstopDelta
3h 00mMCI-BOS
8/13Tue
nonstopDelta
3h 33mBOS-MCI
$199
6/11Tue
1 stopAmerican Airlines
5h 18mMCI-BOS
6/18Tue
1 stopAmerican Airlines
5h 20mBOS-MCI
$246
7/3Wed
nonstopDelta
3h 07mMCI-BOS
7/10Wed
nonstopDelta
3h 29mBOS-MCI
$249
6/22Sat
1 stopAmerican Airlines
5h 18mMCI-BOS
7/2Tue
1 stopAmerican Airlines
9h 18mBOS-MCI
$260

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Recent one-way flight deals

5/18Sat
1 stopSpirit Airlines
6h 42mSTL-BOS
$47
5/18Sat
1 stopFrontier
15h 18mSTL-BOS
$71
6/11Tue
1 stopJetBlue
6h 36mMCI-BOS
$104
7/30Tue
1 stopUnited Airlines
5h 36mMCI-BOS
$109
6/18Tue
1 stopAmerican Airlines
8h 40mMCI-BOS
$112
8/1Thu
1 stopUnited Airlines
5h 36mMCI-BOS
$119
6/1Sat
1 stopJetBlue
6h 35mMCI-BOS
$124
6/12Wed
1 stopDelta
7h 17mSTL-BOS
$127
8/17Sat
1 stopAmerican Airlines
7h 43mSTL-BOS
$132
5/20Mon
1 stopDelta
5h 30mSTL-BOS
$175

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Search by airline

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Last minute flights from Missouri to Boston

Last minute flight, train and bus deals

5/3Fri
multi-stopFrontier
11h 52mSTL-BOS
5/6Mon
multi-stopFrontier
12h 03mBOS-STL
$238
5/3Fri
multi-stopFrontier
11h 52mSTL-BOS
5/13Mon
multi-stopFrontier
12h 03mBOS-STL
$255
5/3Fri
multi-stopSpirit Airlines
10h 03mMCI-BOS
5/7Tue
multi-stopSpirit Airlines
17h 14mBOS-MCI
$308
5/1Wed
multi-stop
9h 15mSTL-BOS
5/3Fri
multi-stop
13h 28mBOS-STL
$341
5/3Fri
multi-stopSpirit Airlines
10h 03mMCI-BOS
5/7Tue
multi-stopSpirit Airlines
24h 46mBOS-MCI
$347
5/3Fri
multi-stop
13h 28mSTL-BOS
5/6Mon
multi-stop
18h 18mBOS-STL
$352
5/3Fri
multi-stopJetBlue
5h 17mMCI-BOS
5/5Sun
multi-stopJetBlue
8h 15mBOS-MCI
$383
5/3Fri
multi-stopJetBlue
5h 17mMCI-BOS
5/5Sun
multi-stopJetBlue
8h 15mBOS-MCI
$398
5/3Fri
multi-stopDelta
5h 22mSTL-BOS
5/7Tue
multi-stopDelta
5h 20mBOS-STL
$407
5/3Fri
nonstopDelta
3h 06mMCI-BOS
5/5Sun
nonstopDelta
3h 46mBOS-MCI
$629

Search by stops

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Flights to Boston

Destination:

Boston (BOS)United States

Return flight deals:

Boston - Missouri

Cabin classes:

$978
$618
$838
$214