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.

$148 CHEAP FLIGHTS from Maine 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

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

Sat, Jan 23 - Sat, Feb 6

4:38 pm - 9:38 pmBGR Bangor-STL Lambert-St Louis

6h 00m1 stop Washington, D.C. Reagan-National

6:00 am - 12:06 pmSTL Lambert-St Louis-BGR Bangor

5h 06m1 stop Washington, D.C. Reagan-National

$289American Airlines

Tue, Apr 20 - Tue, Apr 27

2:00 pm - 8:51 pmBGR Bangor-STL Lambert-St Louis

7h 51m1 stop New York LaGuardia

5:30 pm - 11:23 pmSTL Lambert-St Louis-BGR Bangor

4h 53m1 stop New York LaGuardia

$289Delta

Wed, Apr 21 - Tue, Apr 27

6:00 am - 11:59 amBGR Bangor-STL Lambert-St Louis

6h 59m1 stop New York LaGuardia

5:30 pm - 11:23 pmSTL Lambert-St Louis-BGR Bangor

4h 53m1 stop New York LaGuardia

$289Delta

Mon, Nov 23 - Fri, Nov 27

5:35 am - 10:48 amPWM Portland-STL Lambert-St Louis

6h 13m1 stop Newark

6:00 am - 2:16 pmSTL Lambert-St Louis-PWM Portland

7h 16m1 stop Chicago O'Hare Intl

$315United Airlines

Thu, Jan 28 - Sat, Jan 30

6:12 am - 12:23 pmBGR Bangor-STL Lambert-St Louis

7h 11m1 stop Philadelphia

6:00 am - 2:41 pmSTL Lambert-St Louis-BGR Bangor

7h 41m1 stop Philadelphia

$319American Airlines

Mon, Nov 23 - Fri, Nov 27

8:49 am - 3:43 pmPWM Portland-STL Lambert-St Louis

7h 54m2 stops Newark Chicago O'Hare Intl

7:30 am - 2:16 pmSTL Lambert-St Louis-PWM Portland

5h 46m1 stop Chicago O'Hare Intl

$320United Airlines

Mon, Jan 4 - Mon, Jan 11

5:10 pm - 12:10 amPWM Portland-STL Lambert-St Louis

8h 00m1 stop Baltimore/Washington

6:25 am - 2:50 pmSTL Lambert-St Louis-PWM Portland

7h 25m1 stop Baltimore/Washington

$339Southwest

Mon, Jan 4 - Mon, Jan 11

5:10 pm - 12:10 amPWM Portland-STL Lambert-St Louis

8h 00m1 stop Baltimore/Washington

6:05 am - 2:50 pmSTL Lambert-St Louis-PWM Portland

7h 45m2 stops Chicago Midway Baltimore/Washington

$344Southwest

Mon, Feb 8 - Thu, Feb 11

11:40 am - 12:04 amBGR Bangor-STL Lambert-St Louis

13h 24m1 stop Orlando Sanford Intl

5:59 pm - 10:58 amSTL Lambert-St Louis-BGR Bangor

15h 59m1 stop Orlando

$570Multiple Airlines

Wed, Dec 23 - Mon, Dec 28

9:48 am - 12:41 amPWM Portland-STL Lambert-St Louis

15h 53m1 stop Orlando

6:21 pm - 9:08 amSTL Lambert-St Louis-PWM Portland

37h 47m2 stops Atlanta Hartsfield-Jackson Orlando

$572Multiple Airlines

Recent last minute flight deals from Maine to St. Louis

Mon, Nov 2 - Mon, Nov 9

4:24 pm - 9:38 pmBGR Bangor-STL Lambert-St Louis

6h 14m1 stop Washington, D.C. Reagan-National

7:00 am - 3:54 pmSTL Lambert-St Louis-BGR Bangor

7h 54m1 stop Washington, D.C. Reagan-National

$497American Airlines

Mon, Nov 2 - Mon, Nov 9

5:19 am - 4:28 pmBGR Bangor-STL Lambert-St Louis

12h 09m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

5:00 pm - 11:25 pmSTL Lambert-St Louis-BGR Bangor

5h 25m1 stop New York LaGuardia

$818Delta

Mon, Nov 2 - Mon, Nov 9

4:24 pm - 11:59 pmBGR Bangor-STL Lambert-St Louis

8h 35m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

7:00 am - 3:54 pmSTL Lambert-St Louis-BGR Bangor

7h 54m1 stop Washington, D.C. Reagan-National

$910American Airlines

Mon, Nov 2 - Mon, Nov 9

5:19 am - 4:28 pmBGR Bangor-STL Lambert-St Louis

12h 09m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

2:21 pm - 11:25 pmSTL Lambert-St Louis-BGR Bangor

8h 04m2 stops Detroit Metropolitan Wayne County New York LaGuardia

$921Delta

Mon, Nov 2 - Thu, Nov 5

9:48 am - 11:16 pmPWM Portland-STL Lambert-St Louis

14h 28m1 stop Orlando

1:28 pm - 9:08 amSTL Lambert-St Louis-PWM Portland

42h 40m2 stops Las Vegas Harry Reid Intl Orlando

$924Multiple Airlines

Mon, Nov 2 - Thu, Nov 5

5:08 pm - 9:40 pmPWM Portland-STL Lambert-St Louis

5h 32m1 stop Chicago O'Hare Intl

6:00 am - 1:26 pmSTL Lambert-St Louis-PWM Portland

6h 26m1 stop Newark

$927United Airlines

Mon, Nov 2 - Thu, Nov 5

10:50 am - 9:40 pmPWM Portland-STL Lambert-St Louis

11h 50m2 stops Newark Chicago O'Hare Intl

8:30 am - 7:02 pmSTL Lambert-St Louis-PWM Portland

9h 32m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$937United Airlines

Sun, Nov 1 - Fri, Nov 6

8:49 am - 4:17 pmPWM Portland-STL Lambert-St Louis

8h 28m1 stop Newark

1:00 pm - 7:02 pmSTL Lambert-St Louis-PWM Portland

5h 02m1 stop Washington, D.C. Dulles Intl

$1,002United Airlines

Sun, Nov 1 - Fri, Nov 6

5:50 am - 10:47 amPWM Portland-STL Lambert-St Louis

5h 57m1 stop Newark

6:00 am - 2:27 pmSTL Lambert-St Louis-PWM Portland

7h 27m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$1,007United Airlines

Sun, Nov 1 - Fri, Nov 6

5:15 am - 12:50 pmPWM Portland-STL Lambert-St Louis

8h 35m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

5:05 am - 3:33 pmSTL Lambert-St Louis-PWM Portland

9h 28m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

$1,504American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$148

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly with an average 5% increase in price.

Flight from Portland 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.