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Find cheap flights from Missouri to Boston from $61

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
週日 6/2
週日 6/9

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In the last 7 days travelers have searched 43,693,958 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$61
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 22% 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

5/29週三
1 stopFrontier
10h 30mSTL-BOS
6/5週三
1 stopFrontier
22h 51mBOS-STL
$99
6/1週六
1 stopFrontier
10h 58mSTL-BOS
6/8週六
1 stopFrontier
21h 55mBOS-STL
$106
6/3週一
1 stopSpirit Airlines
27h 56mMCI-BOS
6/5週三
1 stopSpirit Airlines
11h 00mBOS-MCI
$138
5/29週三
1 stopSpirit Airlines
10h 40mMCI-BOS
6/5週三
1 stopSpirit Airlines
11h 00mBOS-MCI
$142
5/29週三
1 stop
10h 30mSTL-BOS
6/6週四
1 stop
12h 18mBOS-STL
$143
6/11週二
1 stop
6h 45mSTL-BOS
6/12週三
1 stop
22h 51mBOS-STL
$164
6/10週一
1 stopJetBlue
5h 29mMCI-BOS
6/12週三
1 stopJetBlue
6h 38mBOS-MCI
$208
8/7週三
nonstopDelta
3h 00mMCI-BOS
8/13週二
nonstopDelta
3h 33mBOS-MCI
$209
6/6週四
1 stopJetBlue
6h 36mMCI-BOS
6/8週六
1 stopJetBlue
7h 01mBOS-MCI
$228
5/28週二
1 stopDelta
6h 24mSTL-BOS
7/2週二
1 stopDelta
8h 29mBOS-STL
$264

Search by stops

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Recent one-way flight deals

5/18週六
1 stopFrontier
15h 18mSTL-BOS
$61
5/14週二
2 stopsSpirit Airlines
23h 04mSTL-BOS
$78
7/5週五
1 stopAmerican Airlines
7h 45mSTL-BOS
$117
6/12週三
1 stopDelta
6h 18mSTL-BOS
$132
8/17週六
1 stopAmerican Airlines
8h 36mSTL-BOS
$137
10/25週五
1 stopSun Country Air
21h 56mSTL-BOS
$138
7/11週四
1 stopUnited Airlines
8h 08mMCI-BOS
$143
6/3週一
1 stopDelta
4h 55mSTL-BOS
$147
8/16週五
1 stopUnited Airlines
8h 08mMCI-BOS
$154
10/4週五
1 stopSun Country Air
15h 40mSTL-BOS
$158

Search by stops

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Search by price

Last minute flights from Missouri to Boston

Last minute flight, train and bus deals

5/4週六
multi-stopFrontier
15h 32mSTL-BOS
5/6週一
multi-stopFrontier
12h 03mBOS-STL
$347
5/6週一
multi-stop
9h 57mSTL-BOS
5/10週五
multi-stop
14h 29mBOS-STL
$352
5/7週二
multi-stopJetBlue
6h 40mMCI-BOS
5/8週三
multi-stopJetBlue
8h 21mBOS-MCI
$383
5/7週二
multi-stop
12h 25mSTL-BOS
5/15週三
multi-stop
20h 32mBOS-STL
$396
5/7週二
multi-stopJetBlue
5h 18mMCI-BOS
5/8週三
multi-stopJetBlue
8h 21mBOS-MCI
$398
5/7週二
multi-stopDelta
5h 57mSTL-BOS
5/8週三
multi-stopDelta
5h 16mBOS-STL
$417
5/6週一
multi-stopSpirit Airlines
7h 35mMCI-BOS
5/10週五
multi-stopSpirit Airlines
14h 42mBOS-MCI
$421
5/6週一
multi-stopSpirit Airlines
21h 14mSTL-BOS
5/10週五
multi-stopSpirit Airlines
18h 58mBOS-STL
$423
5/4週六
multi-stopDelta
5h 46mSTL-BOS
5/5週日
multi-stopDelta
6h 26mBOS-STL
$436
5/6週一
multi-stopSpirit Airlines
21h 14mSTL-BOS
5/10週五
multi-stopSpirit Airlines
14h 29mBOS-STL
$443

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Flights to Boston

Destination:

Boston (BOS)United States

Return flight deals:

Boston - Missouri

Cabin classes:

$978
$618
$838
$214