Cheap flights from Maine to St. Louis (STL)

PWM — STL
Dec 4 — Dec 111

How far in advance should I book a flight from Maine to St. Louis?

Travelers have found it’s best to book a flight 31 days in advance to save up to 40% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 31 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Maine to St. Louis 1-2 weeks in advance for as low as $513, or $618 for flights within the next 24 hours.

What is the cheapest month to fly from Maine to St. Louis?

Our data shows that December tends to be the cheapest month to fly to St. Louis from Maine. Users have commonly found prices around $436 for the month, but tickets can be as low as $255. Due to multiple factors, prepare for potentially higher prices in August.

When is the cheapest time to fly from Maine to St. Louis (ME - STL)?

When flying from Maine to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Maine to St. Louis in November, December 2022

The best prices found for Maine to STL flights for November, December
Dec 13 - Dec 14
PWM

Portland

STL

Lambert-St Louis

1 stop

7h 15m
STL

Lambert-St Louis

PWM

Portland

1 stop

5h 03m
$246

American Airlines

Pick Dates

Deal found 11/29

Dec 13 - Dec 14
PWM

Portland

STL

Lambert-St Louis

1 stop

7h 24m
STL

Lambert-St Louis

PWM

Portland

2 stops

10h 17m
$305

United Airlines

Pick Dates

Deal found 11/29

Dec 13 - Dec 14
PWM

Portland

STL

Lambert-St Louis

2 stops

10h 49m
STL

Lambert-St Louis

PWM

Portland

2 stops

10h 51m
$437

United Airlines

Pick Dates

Deal found 11/29

Maine to St. Louis 2022 flight deals

Cheap flights to St. Louis from Maine found for this year
Dec 13 - Dec 14
PWM

Portland

STL

Lambert-St Louis

1 stop

7h 15m
STL

Lambert-St Louis

PWM

Portland

1 stop

5h 03m
$246

American Airlines

Pick Dates

Deal found 11/29

Dec 13 - Dec 14
PWM

Portland

STL

Lambert-St Louis

1 stop

7h 24m
STL

Lambert-St Louis

PWM

Portland

2 stops

10h 17m
$305

United Airlines

Pick Dates

Deal found 11/29

Dec 13 - Dec 14
PWM

Portland

STL

Lambert-St Louis

2 stops

10h 49m
STL

Lambert-St Louis

PWM

Portland

2 stops

10h 51m
$437

United Airlines

Pick Dates

Deal found 11/29

Cheap Frontier flights from Maine to St. Louis

Jan 23 - Jan 27
PWM

Portland

STL

Lambert-St Louis

1 stop

14h 23m
STL

Lambert-St Louis

PWM

Portland

1 stop

14h 33m
$214

Frontier

Pick Dates

Deal found 11/26

Jan 25 - Jan 27
PWM

Portland

STL

Lambert-St Louis

1 stop

15h 26m
STL

Lambert-St Louis

PWM

Portland

1 stop

14h 33m
$272

Frontier

Pick Dates

Deal found 11/26

Cheap American Airlines flights from Maine to St. Louis

Dec 15 - Dec 19
PWM

Portland

STL

Lambert-St Louis

1 stop

7h 12m
STL

Lambert-St Louis

PWM

Portland

1 stop

5h 01m
$246

American Airlines

Pick Dates

Deal found 11/26

Jan 17 - Jan 20
PWM

Portland

STL

Lambert-St Louis

1 stop

7h 43m
STL

Lambert-St Louis

PWM

Portland

1 stop

7h 11m
$407

American Airlines

Pick Dates

Deal found 11/26

Dec 15 - Dec 19
PWM

Portland

STL

Lambert-St Louis

2 stops

14h 51m
STL

Lambert-St Louis

PWM

Portland

2 stops

10h 17m
$463

American Airlines

Pick Dates

Deal found 11/26

Last minute flights from Maine to St. Louis

Late deals on return flights to St. Louis from Maine, departing today and this week
Dec 7 - Dec 10
PWM

Portland

STL

Lambert-St Louis

1 stop

7h 14m
STL

Lambert-St Louis

PWM

Portland

1 stop

6h 45m
$607

United Airlines

Pick Dates

Deal found 11/29

Dec 7 - Dec 10
PWM

Portland

STL

Lambert-St Louis

2 stops

25h 36m
STL

Lambert-St Louis

PWM

Portland

1 stop

6h 46m
$665

United Airlines

Pick Dates

Deal found 11/29

Dec 7 - Dec 10
PWM

Portland

STL

Lambert-St Louis

2 stops

14h 48m
STL

Lambert-St Louis

PWM

Portland

2 stops

14h 04m
$671

United Airlines

Pick Dates

Deal found 11/29

Related info for your journey

Useful info, stats and facts about Maine to St. Louis flights.

What airport do you fly into for flights to St. Louis from Maine?

If you book a flight to St. Louis from Maine, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

Which airlines flying from Maine to Lambert-St Louis have flexible cancellations due to COVID-19?

American Airlines, Delta, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Maine to St. Louis for under $200 on Cheapflights?

Yes, there are multiple flights from Maine to St. Louis for under $200. The cheapest flight booked recently is on Multiple Airlines for just $183, but on average you can expect to pay $281.

Are there last-minute flights available from Maine to St. Louis for under $700?

There are currently 3+ open flights from Maine to St. Louis within the next 7 days for less than $700.

How popular is this Maine to St. Louis flight route?

The Maine to Lambert-St Louis flight path was viewed by 13 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the most popular airlines that fly from Maine to St. Louis?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Maine to St. Louis.

What are the cheapest flights from Maine to St. Louis?

While on average a flight from Maine to St. Louis is generally $791, our data shows the cheapest flight currently is $266. When looking at the most popular route, (Portland - Lambert-St Louis), you can expect to pay $246 for that flight.

Departure points for flights from Maine to St. Louis

Select to see more specific information for flights to St. Louis from all departure points in Maine

Top 3 airlines flying from Maine to St. Louis

The chart below displays the airlines Cheapflights users traveling from Maine to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$223Average$488FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$275Average$483FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$276Average$484FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights

Hourly flight availability from Maine to St. Louis

See what time of day planes typically take off from Maine to St. Louis
100%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM