STL

$63 Find Cheap Flights from Maine 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 2/17. 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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Everything you should know

Cheapest round-trip
$287
Overall average: $406
Multiple Airlines
Mon 1/26Wed 1/28
PWM - STL • 1 stop
Cheapest non-stop
$351
Typical prices: $351-$494
Southwest
Tue 1/6Tue 1/13
BOS - STL • Non-stop
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Flight Deals
Useful Info
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

Mon, Jan 26 - Wed, Jan 28
Multiple Airlines Logo
9:47 am - 11:33 pm
PWM
-
STL
14h 46m1 stop
Multiple Airlines Logo
8:22 pm - 9:07 am
STL
-
PWM
35h 45m2 stops
$287Multiple Airlines
Tue, Jan 6 - Thu, Jan 8
United Airlines Logo
7:27 pm - 11:59 pm
PWM
-
STL
5h 32m1 stop
United Airlines Logo
8:30 am - 2:31 pm
STL
-
PWM
5h 01m1 stop
$313United Airlines
Tue, Jan 6 - Thu, Jan 8
Southwest Logo
5:45 am - 12:45 pm
PWM
-
STL
8h 00m2 stops
Southwest Logo
6:50 am - 12:10 pm
STL
-
PWM
4h 20m1 stop
$318Southwest
Tue, Jan 6 - Thu, Jan 8
Southwest Logo
5:45 am - 12:45 pm
PWM
-
STL
8h 00m2 stops
Southwest Logo
6:05 am - 2:55 pm
STL
-
PWM
7h 50m2 stops
$323Southwest
Mon, Jan 5 - Sun, Jan 11
Multiple Airlines Logo
11:55 am - 10:56 am
BOS
-
STL
24h 01m1 stop
Multiple Airlines Logo
5:11 pm - 4:28 pm
STL
-
BOS
22h 17m2 stops
$327Multiple Airlines
Mon, Jan 12 - Thu, Jan 15
Multiple Airlines Logo
3:43 pm - 10:33 pm
BOS
-
STL
7h 50m1 stop
Multiple Airlines Logo
5:11 pm - 12:49 pm
STL
-
BOS
18h 38m2 stops
$328Multiple Airlines
Thu, Jan 22 - Mon, Jan 26
Delta Logo
12:43 pm - 8:06 pm
PWM
-
STL
8h 23m1 stop
Delta Logo
3:45 pm - 10:27 pm
STL
-
PWM
5h 42m1 stop
$333Delta
Mon, Jan 12 - Wed, Jan 14
American Airlines Logo
6:30 am - 9:03 am
BOS
-
STL
3h 33mnonstop
American Airlines Logo
11:05 am - 8:45 pm
STL
-
BOS
8h 40m1 stop
$336American Airlines
Thu, Jan 22 - Mon, Jan 26
Delta Logo
5:30 am - 4:37 pm
PWM
-
STL
12h 07m2 stops
Delta Logo
6:35 am - 12:03 pm
STL
-
PWM
4h 28m1 stop
$338Delta
Thu, Jan 8 - Thu, Jan 15
American Airlines Logo
9:51 am - 6:14 pm
BOS
-
STL
9h 23m1 stop
American Airlines Logo
2:54 pm - 6:31 pm
STL
-
BOS
2h 37mnonstop
$345American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$63
Best time to beat the crowds with an average 9% drop 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.

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
Shrewsbury
Glencoe

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

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