What is the cheapest airline that flies from Maine to Missouri?

Frontier, Southwest, and American Airlines are the most popular carriers operating from Maine to Missouri

How long is the flight from Maine to Missouri?

The flight from Maine to Missouri depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Portland (a popular airport in Maine) to St. Louis (the most popular airport in Missouri), then the flight time is 5h 01m on average. If you fly from Bangor (another popular airport in Maine) to St. Louis, then the average flight time is 6h 54m.

How many flights depart from Maine to Missouri on average per week?

39 flights are operational weekly from Maine to Missouri as of March 2026. The most popular departure day for this route is Sun, with 28% of flights per week taking off on this day.

What airlines fly to Missouri?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Missouri from Maine according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 4 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Maine to Missouri?

Prices for flights from Maine to Missouri are updated daily.

How many operators does momondo search for flights from Maine to Missouri?

There are 7 operators available for flights from Maine to Missouri as of March 2026.

How old do you have to be to fly from Maine to Missouri?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maine to Missouri.

What documentation or ID do you need to fly to Missouri?

The necessary travel and health documents for your Missouri trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$80 Cheap Flights from Maine to Missouri in 2026

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Find the cheapest flights from Maine to Missouri

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:48 pm - 9:09 pm

PWM

STL

5h 21m

1 stop

6:45 am - 12:00 pm

STL

PWM

4h 15m

1 stop

$259Delta

Tue, May 12 - Wed, May 13

6:02 am - 12:23 pm

PWM

STL

7h 21m

1 stop

4:25 pm - 12:43 am

STL

PWM

7h 18m

1 stop

$285Delta

Thu, May 7 - Wed, May 13

7:53 pm - 7:51 am

BGR

STL

12h 58m

1 stop

4:59 pm - 11:40 am

STL

BGR

17h 41m

1 stop

$289Multiple Airlines

Thu, Apr 9 - Mon, Apr 13

5:40 am - 11:04 am

BOS

SGF

6h 24m

1 stop

6:05 pm - 12:25 am

SGF

BOS

5h 20m

1 stop

$290American Airlines

Sat, Apr 25 - Sat, May 2

1:34 pm - 9:09 pm

BOS

SGF

8h 35m

1 stop

6:05 pm - 12:25 am

SGF

BOS

5h 20m

1 stop

$291American Airlines

Tue, Apr 14 - Tue, Apr 21

10:55 am - 6:06 pm

BOS

SGF

8h 11m

1 stop

6:41 pm - 12:59 am

SGF

BOS

5h 18m

1 stop

$314United Airlines

Wed, Jun 3 - Wed, Jun 10

9:20 am - 3:02 pm

PWM

MCI

6h 42m

1 stop

5:40 pm - 11:59 pm

MCI

PWM

5h 19m

1 stop

$317United Airlines

Sat, May 2 - Tue, May 5

5:30 am - 10:50 am

PWM

STL

6h 20m

1 stop

2:25 pm - 12:05 am

STL

PWM

8h 40m

2 stops

$338Southwest

Mon, Jun 1 - Thu, Jun 4

2:18 pm - 10:30 am

BOS

STL

21h 12m

2 stops

4:59 pm - 10:21 am

STL

BOS

16h 22m

1 stop

$340Multiple Airlines

Wed, Apr 15 - Fri, Apr 17

6:55 pm - 10:45 pm

BOS

STL

4h 50m

1 stop

3:55 pm - 12:05 am

STL

BOS

7h 10m

1 stop

$341Southwest

Thu, Apr 23 - Tue, Apr 28

Delta flights from Maine to Missouri

Our best Delta deals on Maine to Missouri flight tickets

Delta

May 12

PWM4:48 pmPortland

5h 21m

1 stop

STL9:09 pmLambert-St Louis

May 13

STL6:45 amLambert-St Louis

4h 15m

1 stop

PWM12:00 pmPortland

$259

Delta

May 7

PWM6:02 amPortland

7h 21m

1 stop

STL12:23 pmLambert-St Louis

May 13

STL4:25 pmLambert-St Louis

7h 18m

1 stop

PWM12:43 amPortland

$285

Delta

Aug 11

BOS8:00 amBoston Logan Intl

7h 45m

1 stop

SGF2:45 pmSpringfield-Branson

Aug 18

SGF6:00 amSpringfield-Branson

8h 12m

1 stop

BOS3:12 pmBoston Logan Intl

$295

American Airlines flights from Maine to Missouri

Our best American Airlines deals on Maine to Missouri flight tickets

American Airlines

Apr 25

BOS5:40 amBoston Logan Intl

6h 24m

1 stop

SGF11:04 amSpringfield-Branson

May 2

SGF6:05 pmSpringfield-Branson

5h 20m

1 stop

BOS12:25 amBoston Logan Intl

$290

American Airlines

Apr 14

BOS1:34 pmBoston Logan Intl

8h 35m

1 stop

SGF9:09 pmSpringfield-Branson

Apr 21

SGF6:05 pmSpringfield-Branson

5h 20m

1 stop

BOS12:25 amBoston Logan Intl

$291

American Airlines

May 7

PWM7:05 amPortland

5h 42m

1 stop

STL11:47 amLambert-St Louis

May 13

STL5:21 pmLambert-St Louis

5h 01m

1 stop

PWM11:22 pmPortland

$294

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PortlandSt. Louis

PWM - STL

PWMSTL

Portland

Tue 5/12

4:48 pm-9:09 pm

1 stop5h 21m

Lambert-St Louis

Wed 5/13

6:45 am-12:00 pm

1 stop4h 15m

$259

PortlandSt. Louis

PWM - STL

PWMSTL

Portland

Thu 5/7

6:02 am-12:23 pm

1 stop7h 21m

Lambert-St Louis

Wed 5/13

4:25 pm-12:43 am

1 stop7h 18m

$285

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Thu 4/9

7:53 pm-7:51 am

1 stop12h 58m

Lambert-St Louis

Mon 4/13

4:59 pm-11:40 am

1 stop17h 41m

$289

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Sat 4/25

5:40 am-11:04 am

1 stop6h 24m

Springfield-Branson

Sat 5/2

6:05 pm-12:25 am

1 stop5h 20m

$290

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Tue 4/14

1:34 pm-9:09 pm

1 stop8h 35m

Springfield-Branson

Tue 4/21

6:05 pm-12:25 am

1 stop5h 20m

$291

BostonSpringfield

BOS - SGF

BOSSGF

Boston Logan Intl

Wed 6/3

10:55 am-6:06 pm

1 stop8h 11m

Springfield-Branson

Wed 6/10

6:41 pm-12:59 am

1 stop5h 18m

$314

PortlandKansas City

PWM - MCI

PWMMCI

Portland

Sat 5/2

9:20 am-3:02 pm

1 stop6h 42m

Kansas City

Tue 5/5

5:40 pm-11:59 pm

1 stop5h 19m

$317

PortlandSt. Louis

PWM - STL

PWMSTL

Portland

Mon 6/1

5:30 am-10:50 am

1 stop6h 20m

Lambert-St Louis

Thu 6/4

2:25 pm-12:05 am

2 stops8h 40m

$338

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Wed 4/15

2:18 pm-10:30 am

2 stops21h 12m

Lambert-St Louis

Fri 4/17

4:59 pm-10:21 am

1 stop16h 22m

$340

BostonSt. Louis

BOS - STL

BOSSTL

Boston Logan Intl

Thu 4/23

6:55 pm-10:45 pm

1 stop4h 50m

Lambert-St Louis

Tue 4/28

3:55 pm-12:05 am

1 stop7h 10m

$341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Maine to Missouri

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Missouri?

In general, September is the cheapest month to fly from Maine to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $333. If you aren’t able to travel to Missouri during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $344.

Can stopping save me money on Maine to Missouri flights?

You could potentially save up to 37% on your flight if you consider stops on a Maine to Missouri flight.

Cheap Maine to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to Missouri

Fastest flight time	2h 50m
Direct flights	Every day
Airports in Missouri	55 airports

The fastest flight from Maine to Missouri takes 2h 50m

Direct flights go from Maine to Missouri every day.

There are 55 airports in Missouri. From Maine there are direct flights to Lambert-St Louis (STL).

Search flight deals

When did momondo last update prices for flights from Maine to Missouri?
Prices for flights from Maine to Missouri are updated daily.
How many operators does momondo search for flights from Maine to Missouri?
There are 7 operators available for flights from Maine to Missouri as of March 2026.
How old do you have to be to fly from Maine to Missouri?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maine to Missouri.
What documentation or ID do you need to fly to Missouri?
The necessary travel and health documents for your Missouri trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Maine to Missouri

Compare and see reviews for airlines that fly from Maine to Missouri with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $236	Free Cancellation	Rating 7.9 8,359 reviews	Search Delta flights
Southwest	PriceFrom $237	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights
American Airlines	PriceFrom $243	Free Cancellation	Rating 7.1 11,521 reviews	Search American Airlines flights
United Airlines	PriceFrom $267	Free Cancellation	Rating 7.4 9,509 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Maine to Missouri?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Missouri from Maine.

Can I find flights from Maine to Missouri with flexible booking policies on momondo?

Flights from Maine to Missouri with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Maine to Missouri?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Missouri from Maine.

I’m not ready to book a flight from Maine to Missouri right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Maine to Missouri now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Missouri and let you know when they change.