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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$82 CHEAP FLIGHTS from Maine to St. Louis

STL

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

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Flight Deals

Cheap Flights from Maine to St. Louis

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

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

Wed, May 20 - Wed, May 27

7:10 am - 1:22 pm

PWM

STL

7h 12m

1 stop

6:00 am - 12:40 pm

STL

PWM

5h 40m

1 stop

$299American Airlines

Tue, May 26 - Tue, Jun 2

5:15 am - 12:11 pm

PWM

STL

7h 56m

2 stops

6:00 am - 1:25 pm

STL

PWM

6h 25m

1 stop

$304United Airlines

Tue, May 26 - Sat, Jun 6

11:03 am - 3:40 pm

PWM

STL

5h 37m

1 stop

4:15 pm - 12:43 am

STL

PWM

7h 28m

1 stop

$315Delta

Wed, May 27 - Fri, May 29

11:07 am - 11:57 pm

PWM

STL

13h 50m

1 stop

4:19 pm - 9:12 am

STL

PWM

15h 53m

1 stop

$319Multiple Airlines

Sun, Jul 5 - Fri, Jul 10

6:00 am - 5:37 pm

BOS

STL

12h 37m

1 stop

4:52 pm - 1:23 am

STL

BOS

7h 31m

1 stop

$344Frontier

Mon, Jun 15 - Wed, Jun 17

7:00 am - 12:09 am

BOS

STL

18h 09m

1 stop

5:06 pm - 1:27 am

STL

BOS

7h 21m

1 stop

$347Multiple Airlines

Thu, May 21 - Mon, May 25

9:18 am - 4:15 pm

BOS

STL

7h 57m

1 stop

5:27 pm - 7:49 am

STL

BOS

13h 22m

1 stop

$348Frontier

Thu, May 28 - Thu, May 28

5:40 am - 7:40 am

BOS

STL

3h 00mnonstop

7:40 pm - 11:10 pm

STL

BOS

2h 30mnonstop

$353Southwest

Wed, Aug 5 - Wed, Aug 12

5:45 am - 1:55 pm

PWM

STL

9h 10m

2 stops

3:45 pm - 10:05 pm

STL

PWM

5h 20m

1 stop

$368Southwest

Sat, May 9 - Wed, May 13

3:20 pm - 11:59 pm

BGR

STL

9h 39m

2 stops

5:45 pm - 11:33 pm

STL

BGR

4h 48m

1 stop

$369Delta

Useful Info

Low season	January
High season	May
Cheapest flight	$82

Best time to beat the crowds with an average 1% drop in price.

Most popular time to fly with an average 1% increase in price.

Flight from Boston 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.

O'Fallon

Wentzville

Farmington

Eureka

Litchfield

Grafton

Shrewsbury

Glencoe

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

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

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

St. Louis (STL)

STL

$82 Find Cheap Flights from Maine to St. Louis

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Cheap Flights from Maine to St. Louis

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

Recent one-way flight deals from Maine to St. Louis

Recent last minute flight deals from Maine to St. Louis

Recent direct flight deals from Maine to St. Louis

Good to know

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?

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

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

Cabin class types available on flights to Maine

Complete your trip to St. Louis with a hotel stay or car rental

Find direct flights for St. Louis

Flights to other popular destinations

Flights from domestic origins to St. Louis

Choose which airport to fly into in St. Louis

Find deals for your return flight