STL

$93 Find Cheap Flights from Massachusetts to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 10/15. 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
1 adult, Economy

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Flight Deals

Cheap Flights from Massachusetts to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Massachusetts to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Massachusetts to St. Louis

Sun, Sep 28 - Thu, Oct 2
Logo
12:18 pm - 3:04 pmBDL-STL
27h 46m1 stop
Logo
4:00 pm - 10:35 amSTL-BDL
17h 35m2 stops
$216
Find Deal
Sun, Sep 28 - Thu, Oct 2
Logo
12:18 pm - 3:04 pmBDL-STL
27h 46m1 stop
Logo
10:35 am - 10:35 amSTL-BDL
23h 00m1 stop
$217
Find Deal
Thu, Feb 26 - Sun, Mar 1
Delta Logo
5:40 am - 9:44 amBDL-STL
5h 04m1 stop
Delta Logo
6:30 am - 1:57 pmSTL-BDL
6h 27m1 stop
$243Delta
Find Deal
Thu, Oct 23 - Sat, Oct 25
Frontier Logo
10:04 am - 10:16 amBDL-STL
25h 12m1 stop
Frontier Logo
7:52 pm - 7:36 pmSTL-BDL
22h 44m2 stops
$253Frontier
Find Deal
Sun, Sep 28 - Wed, Oct 1
Frontier Logo
8:37 pm - 3:04 pmBDL-STL
19h 27m2 stops
Frontier Logo
7:55 pm - 9:35 amSTL-BDL
12h 40m2 stops
$266Frontier
Find Deal
Wed, Feb 25 - Sun, Mar 1
Spirit Airlines Logo
9:48 pm - 11:01 amBOS-STL
14h 13m1 stop
Spirit Airlines Logo
12:20 pm - 12:40 amSTL-BOS
11h 20m1 stop
$275Spirit Airlines
Find Deal
Sat, Oct 18 - Mon, Oct 20
American Airlines Logo
8:00 am - 4:04 pmBOS-STL
9h 04m1 stop
American Airlines Logo
9:35 am - 1:12 pmSTL-BOS
2h 37mnonstop
$276American Airlines
Find Deal
Wed, Oct 8 - Wed, Oct 15
Delta Logo
6:03 am - 12:35 pmALB-STL
7h 32m1 stop
Delta Logo
6:00 am - 1:16 pmSTL-ALB
6h 16m1 stop
$277Delta
Find Deal
Tue, Dec 2 - Sat, Dec 6
American Airlines Logo
6:00 am - 10:18 amBOS-STL
5h 18m1 stop
American Airlines Logo
1:59 pm - 11:59 pmSTL-BOS
9h 00m1 stop
$280American Airlines
Find Deal
Sat, Oct 11 - Sun, Oct 12
Spirit Airlines Logo
6:16 am - 6:10 pmBOS-STL
12h 54m1 stop
Spirit Airlines Logo
10:57 am - 11:59 pmSTL-BOS
12h 02m1 stop
$329Spirit Airlines
Find Deal

Everything you should know

Cheapest round-trip
$216
Overall average: $361
Multiple Airlines
Sun 9/28Thu 10/2
BDL - STL • 1 stop
Cheapest non-stop
$285
Typical prices: $421-687
American Airlines
Sat 10/18Mon 10/20
BOS - STL • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$93
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Boston to St. Louis

FAQs for booking flights from Massachusetts to St. Louis

  • How does KAYAK find such low prices on flights from Massachusetts to St. Louis?

    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 Massachusetts to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Massachusetts 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 Massachusetts to St. Louis?

    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 St. Louis with an airline and back to Massachusetts with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to St. Louis?

    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 St. Louis from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Glencoe
Shrewsbury

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

St. Louis (STL)

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