Cheap flights from Maine (ME) to St. Louis (STL)

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How to find the cheapest flight from
Maine to St. Louis (STL)

All the information you need to plan the best null to STL flight in 2021: compare Maine to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
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.

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

Travelers have found it’s best to book a flight 38 days in advance to save up to 58% 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 38 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 $249, or $391 for flights within the next 24 hours.

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

The best prices found for Maine to STL flights for December, January
9 Jan - 14 Jan
$202pp
PWM
Portland
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
   
2 STOPS
PWM
Portland
6 Jan - 13 Jan
$229pp
PWM
Portland
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PWM
Portland
7 Jan - 14 Jan
$248pp
PWM
Portland
Frontier
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PWM
Portland

Maine to St. Louis 2022 flight deals

Cheap flights to St. Louis from Maine found for this year
7 Dec - 9 Dec
$317pp
PWM
Portland
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PWM
Portland
14 Dec - 17 Dec
$399pp
PWM
Portland
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PWM
Portland
14 Dec - 17 Dec
$416pp
PWM
Portland
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PWM
Portland

Last minute flights from Maine to St. Louis

Late deals on round-trip flights to St. Louis from Maine, departing today and this week
14 Dec - 17 Dec
$399pp
PWM
Portland
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PWM
Portland
14 Dec - 17 Dec
$416pp
PWM
Portland
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PWM
Portland
14 Dec - 17 Dec
$437pp
BGR
Bangor
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BGR
Bangor

One-way flights to Lambert-St Louis from Maine

The cheapest one-way flights from Maine to St. Louis
3:16 pm - 4:21 am
Frontier
1 Stop
14h 05m
PWM - STL
Frontier
$126
Kiwi.com
2:30 pm - 7:04 am
United Airlines
2 Stops
17h 34m
PWM - STL
United Airlines
$192
United
3:34 pm - 6:18 am
Multiple Airlines
1 Stop
15h 44m
PWM - STL
Multiple Airlines
$264
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Maine</span> to <span class="emphasized">St. Louis</span> flights.

Flight FAQs

From Maine to St. Louis

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 $300 on Cheapflights?

Yes, there are multiple flights from Maine to St. Louis for under $300. The cheapest flight booked recently is on Multiple Airlines for just $202, but on average you can expect to pay $301.

Are there last-minute flights available from Maine to St. Louis for under $400?

There are currently 8+ open flights from Maine to St. Louis within the next 7 days for less than $400.

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 cheapest airlines to fly from Maine to St. Louis one-way?

One-way options have recently been found by users for as low as $70 on Frontier. Other airlines that offer cheap prices include American Airlines from $144 and Delta from $167 one-way.

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

While on average a flight from Maine to St. Louis is generally $218, our data shows the cheapest flight currently is $109. When looking at the most popular route, (Portland - Lambert-St Louis), you can expect to pay $229 for that flight.

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

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

Related searches

Flights to St. Louis (STL) from Maine
Flights to Maine Flights to St. Louis

Rent a Car

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COVID Restrictions

View COVID Travel Restrictions for St. Louis, MO

Do I need a COVID test to fly to St. Louis from Maine?

Information is based on travel restrictions for travel to Lambert-St Louis within the United States

Most visitors from Maine need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Maine must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Maine are not required to quarantine after entering Lambert-St Louis.

Do I need a test to fly back to Maine from St. Louis?

Returning to Maine from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Maine.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Maine.

Hide COVID Travel Restrictions for St. Louis, MO

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.

Destination information for St. Louis

Things to know before you go - useful duration and weather info for your trip from Maine to St. Louis.
Average temperature for December in St. Louis
46.4 °F
Avg rainfall for December in St. Louis
2.5 ″

Airports servicing

Bar Harbor (BHB)
Presque Isle (PQI)
Portland (PWM)
Rockland Knox County Regional (RKD)
Augusta (AUG)

Airports servicing St. Louis

Top 4 airlines flying from Maine to Lambert-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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$92 $222 No cancel fee 62%
United Airlines
$112 $352 No cancel fee 69%
Delta
$116 $324 No cancel fee N/A
American Airlines
$138 $380 No cancel fee 71%
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