STL

$91 Find Cheap Flights from Maine to St. Louis - Compare and Save

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 8/23. 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, 0 bags

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Flight Deals

Cheap Flights from Maine to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Maine 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 Maine to St. Louis

Wed, Sep 9 - Sun, Sep 13
American Airlines Logo
2:08 pm - 9:17 pm
BGR
-
STL
8h 09m
1 stop
American Airlines Logo
6:30 am - 3:31 pm
STL
-
BGR
8h 01m
1 stop
$289American Airlines
Fri, Oct 23 - Tue, Oct 27
American Airlines Logo
5:40 pm - 11:37 pm
BGR
-
STL
6h 57m
1 stop
American Airlines Logo
5:44 pm - 11:31 pm
STL
-
BGR
4h 47m
1 stop
$289American Airlines
Wed, Sep 9 - Sun, Sep 13
United Airlines Logo
6:14 am - 2:15 pm
BGR
-
STL
9h 01m
2 stops
United Airlines Logo
8:30 am - 3:47 pm
STL
-
BGR
6h 17m
1 stop
$314United Airlines
Sat, Aug 22 - Sun, Aug 23
Frontier Logo
10:04 am - 4:11 pm
BOS
-
STL
7h 07m
1 stop
Frontier Logo
5:02 pm - 9:09 am
STL
-
BOS
15h 07m
1 stop
$328Frontier
Sat, Aug 15 - Mon, Aug 24
Frontier Logo
10:04 am - 11:59 pm
BOS
-
STL
14h 55m
1 stop
Frontier Logo
6:17 pm - 11:47 am
STL
-
BOS
16h 30m
1 stop
$328Frontier
Thu, Aug 20 - Tue, Aug 25
United Airlines Logo
5:45 am - 9:39 am
BOS
-
STL
4h 54m
1 stop
United Airlines Logo
7:00 am - 2:22 pm
STL
-
BOS
6h 22m
1 stop
$332United Airlines
Wed, Sep 9 - Sun, Sep 13
Delta Logo
5:17 am - 3:54 pm
BGR
-
STL
11h 37m
2 stops
Delta Logo
6:00 am - 3:34 pm
STL
-
BGR
8h 34m
2 stops
$332Delta
Tue, Dec 1 - Mon, Dec 7
Southwest Logo
1:15 pm - 7:20 pm
BOS
-
STL
7h 05m
2 stops
Southwest Logo
6:10 pm - 9:35 pm
STL
-
BOS
2h 25mnonstop
$332Southwest
Wed, Sep 16 - Wed, Sep 16
Southwest Logo
5:25 am - 11:20 am
BOS
-
STL
6h 55m
2 stops
Southwest Logo
6:40 pm - 10:20 pm
STL
-
BOS
2h 40mnonstop
$332Southwest
Wed, Nov 18 - Thu, Nov 26
Delta Logo
6:45 am - 1:26 pm
BOS
-
STL
7h 41m
1 stop
Delta Logo
10:50 am - 5:06 pm
STL
-
BOS
5h 16m
1 stop
$337Delta
Useful Info

Good to know

Low season

January

Cheapest flight

$91
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Boston to St. Louis

FAQs for booking flights from Maine to St. Louis

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Maine 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 Maine 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 Maine with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine 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 Maine 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)