STL

$79 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 7/20. 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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Flights 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

Thu, Jul 10 - Sun, Jul 13
Spirit Airlines Logo
12:26 pm - 9:52 amBOS-STL
22h 26m1 stop
Spirit Airlines Logo
10:47 am - 11:31 amSTL-BOS
23h 44m1 stop
$172Spirit Airlines
Find Deal
Thu, Jul 3 - Mon, Jul 7
Spirit Airlines Logo
8:03 pm - 5:04 pmBOS-STL
22h 01m1 stop
Spirit Airlines Logo
7:13 pm - 8:39 amSTL-BOS
12h 26m1 stop
$176Spirit Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 17
American Airlines Logo
8:35 am - 3:24 pmBOS-STL
7h 49m1 stop
American Airlines Logo
6:55 pm - 10:37 pmSTL-BOS
2h 42mnonstop
$199American Airlines
Find Deal
Mon, Jun 30 - Thu, Jul 10
Logo
9:40 am - 11:53 pmBOS-STL
15h 13m1 stop
Logo
10:47 am - 11:31 amSTL-BOS
23h 44m1 stop
$232
Find Deal
Thu, Jul 10 - Fri, Jul 18
Logo
12:26 pm - 9:52 amBOS-STL
22h 26m1 stop
Logo
5:40 pm - 8:35 amSTL-BOS
13h 55m1 stop
$237
Find Deal
Sat, Aug 30 - Wed, Sep 3
American Airlines Logo
1:00 pm - 8:50 pmBOS-STL
8h 50m1 stop
American Airlines Logo
9:56 am - 6:48 pmSTL-BOS
7h 52m1 stop
$238American Airlines
Find Deal
Wed, Aug 20 - Tue, Aug 26
Southwest Logo
2:15 pm - 8:05 pmBDL-STL
6h 50m2 stops
Southwest Logo
2:15 pm - 10:00 pmSTL-BDL
6h 45m1 stop
$252Southwest
Find Deal
Fri, Oct 3 - Tue, Oct 7
Delta Logo
6:30 pm - 11:39 pmALB-STL
6h 09m1 stop
Delta Logo
6:00 am - 11:57 amSTL-ALB
4h 57m1 stop
$257Delta
Find Deal
Thu, Aug 7 - Sat, Aug 23
Delta Logo
6:00 am - 9:41 amBDL-STL
4h 41m1 stop
Delta Logo
10:45 am - 5:46 pmSTL-BDL
6h 01m1 stop
$265Delta
Find Deal
Mon, Aug 18 - Sat, Aug 23
Southwest Logo
5:45 am - 11:30 amBDL-STL
6h 45m1 stop
Southwest Logo
7:20 am - 2:40 pmSTL-BDL
6h 20m2 stops
$270Southwest
Find Deal
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Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$79
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Hartford 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.

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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