What airlines fly to Missouri?

American Airlines, Southwest and Delta are the top three most popular airlines that fly to Missouri from Portland, Maine according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 6 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

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

3 flights are operational weekly from Portland, Maine to Missouri as of June 2026. The most popular departure day for this route is Mon, with 33% of flights per week taking off on this day.

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

Southwest, American Airlines, and United Airlines are the most popular carriers operating from Portland to Missouri

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

Prices for flights from Portland Airport to Missouri are updated daily.

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

There are 4 operators available for flights from Portland Airport to Missouri as of June 2026.

How old do you have to be to fly from Portland Airport 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 Portland Airport to Missouri.

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

The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$170 Cheap Flights from Portland, Maine to Missouri in 2026

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Find the cheapest flights from Portland, Maine to Missouri

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:53 pm - 11:59 pm

PWM

MCI

6h 06m

1 stop

6:00 am - 1:55 pm

MCI

PWM

6h 55m

1 stop

$257United Airlines

Wed, Sep 2 - Tue, Sep 8

6:53 pm - 11:59 pm

PWM

MCI

6h 06m

1 stop

6:00 am - 1:55 pm

MCI

PWM

6h 55m

1 stop

$275United Airlines

Thu, Sep 3 - Tue, Sep 8

5:03 pm - 9:45 pm

PWM

MCI

5h 42m

1 stop

10:00 am - 7:24 pm

MCI

PWM

8h 24m

2 stops

$280United Airlines

Thu, Sep 3 - Tue, Sep 8

6:05 am - 12:52 pm

PWM

MCI

7h 47m

1 stop

3:36 pm - 10:33 pm

MCI

PWM

5h 57m

1 stop

$293Delta

Sat, Sep 5 - Sat, Sep 12

6:53 pm - 11:59 pm

PWM

MCI

6h 06m

1 stop

3:14 pm - 11:59 pm

MCI

PWM

7h 45m

2 stops

$298United Airlines

Sat, Sep 5 - Sat, Sep 12

7:30 am - 11:30 am

PWM

MCI

5h 00m

1 stop

4:50 pm - 11:00 pm

MCI

PWM

5h 10m

1 stop

$333Southwest

Wed, Jul 1 - Tue, Jul 7

5:30 am - 9:45 am

PWM

MCI

5h 15m

1 stop

2:30 pm - 11:00 pm

MCI

PWM

7h 30m

2 stops

$338Southwest

Wed, Jul 1 - Tue, Jul 7

8:50 am - 3:45 pm

PWM

MCI

7h 55m

1 stop

8:09 am - 2:21 pm

MCI

PWM

5h 12m

1 stop

$352American Airlines

Tue, Sep 1 - Sun, Sep 6

7:28 pm - 12:16 am

PWM

STL

5h 48m

1 stop

6:15 am - 2:24 pm

STL

PWM

7h 09m

1 stop

$355American Airlines

Wed, Jun 24 - Tue, Jun 30

6:00 am - 11:59 am

PWM

STL

6h 59m

1 stop

10:45 am - 4:10 pm

STL

PWM

4h 25m

1 stop

$375Delta

Thu, Oct 8 - Mon, Oct 12

Delta flights from Portland, Maine to Missouri

Our best Delta deals on Portland, Maine to Missouri flight tickets

Delta

Sep 5

PWM6:05 amPortland

7h 47m

1 stop

MCI12:52 pmKansas City

Sep 12

MCI3:36 pmKansas City

5h 57m

1 stop

PWM10:33 pmPortland

$293

Delta

Nov 7

PWM11:30 amPortland

6h 24m

1 stop

MCI4:54 pmKansas City

Nov 9

MCI5:40 amKansas City

5h 38m

1 stop

PWM12:18 pmPortland

$375

Delta

Aug 12

PWM1:12 pmPortland

5h 52m

1 stop

MCI6:04 pmKansas City

Aug 16

MCI10:31 amKansas City

4h 30m

1 stop

PWM4:01 pmPortland

$390

American Airlines flights from Portland, Maine to Missouri

Our best American Airlines deals on Portland, Maine to Missouri flight tickets

American Airlines

Sep 1

PWM8:50 amPortland

7h 55m

1 stop

MCI3:45 pmKansas City

Sep 6

MCI8:09 amKansas City

5h 12m

1 stop

PWM2:21 pmPortland

$352

American Airlines

Jun 24

PWM7:28 pmPortland

5h 48m

1 stop

STL12:16 amLambert-St Louis

Jun 30

STL6:15 amLambert-St Louis

7h 09m

1 stop

PWM2:24 pmPortland

$355

American Airlines

Oct 13

PWM8:00 amPortland

9h 41m

1 stop

MCI4:41 pmKansas City

Oct 17

MCI5:42 amKansas City

4h 51m

1 stop

PWM11:33 amPortland

$391

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandKansas City

PWM - MCI

PWMMCI

Portland

Wed 9/2

6:53 pm-11:59 pm

1 stop6h 06m

Kansas City

Tue 9/8

6:00 am-1:55 pm

1 stop6h 55m

$257

PortlandKansas City

PWM - MCI

PWMMCI

Portland

Thu 9/3

6:53 pm-11:59 pm

1 stop6h 06m

Kansas City

Tue 9/8

6:00 am-1:55 pm

1 stop6h 55m

$275

PortlandKansas City

PWM - MCI

PWMMCI

Portland

Thu 9/3

5:03 pm-9:45 pm

1 stop5h 42m

Kansas City

Tue 9/8

10:00 am-7:24 pm

2 stops8h 24m

$280

PortlandKansas City

PWM - MCI

PWMMCI

Portland

Sat 9/5

6:05 am-12:52 pm

1 stop7h 47m

Kansas City

Sat 9/12

3:36 pm-10:33 pm

1 stop5h 57m

$293

PortlandKansas City

PWM - MCI

PWMMCI

Portland

Sat 9/5

6:53 pm-11:59 pm

1 stop6h 06m

Kansas City

Sat 9/12

3:14 pm-11:59 pm

2 stops7h 45m

$298

Quickest round-trip

PortlandKansas City

PWM - MCI

PWMMCI

Portland

Wed 7/1

7:30 am-11:30 am

1 stop5h 00m

Kansas City

Tue 7/7

4:50 pm-11:00 pm

1 stop5h 10m

$333

PortlandKansas City

PWM - MCI

PWMMCI

Portland

Wed 7/1

5:30 am-9:45 am

1 stop5h 15m

Kansas City

Tue 7/7

2:30 pm-11:00 pm

2 stops7h 30m

$338

PortlandKansas City

PWM - MCI

PWMMCI

Portland

Tue 9/1

8:50 am-3:45 pm

1 stop7h 55m

Kansas City

Sun 9/6

8:09 am-2:21 pm

1 stop5h 12m

$352

PortlandSt. Louis

PWM - STL

PWMSTL

Portland

Wed 6/24

7:28 pm-12:16 am

1 stop5h 48m

Lambert-St Louis

Tue 6/30

6:15 am-2:24 pm

1 stop7h 09m

$355

PortlandSt. Louis

PWM - STL

PWMSTL

Portland

Thu 10/8

6:00 am-11:59 am

1 stop6h 59m

Lambert-St Louis

Mon 10/12

10:45 am-4:10 pm

1 stop4h 25m

$375

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 Portland, 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, October is the cheapest month to fly from Portland, Maine to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $142. If you aren’t able to travel to Missouri during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $182.

Can stopping save me money on Portland, Maine to Missouri flights?

You could potentially save up to 41% on your flight if you consider stops on a Portland, Maine to Missouri flight.

Cheap Portland, Maine to Missouri flight deals and tips

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

Fastest flight time	4h 47m
Direct flights	None

The fastest flight from Portland, Maine to Missouri takes 4h 47m

There are no direct flights from Portland, Maine to Missouri. There are no popular flight routes from Portland, Maine to Missouri.

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Frequently asked questions about flying from Portland, Maine to Missouri

When did momondo last update prices for flights from Portland Airport to Missouri?
Prices for flights from Portland Airport to Missouri are updated daily.
How many operators does momondo search for flights from Portland Airport to Missouri?
There are 4 operators available for flights from Portland Airport to Missouri as of June 2026.
How old do you have to be to fly from Portland Airport 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 Portland Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland, Maine to Missouri

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $236	Free Cancellation	Rating 7.8 8,395 reviews	Search Delta flights
Southwest	PriceFrom $237	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
American Airlines	PriceFrom $243	Free Cancellation	Rating 7.1 11,641 reviews	Search American Airlines flights
United Airlines	PriceFrom $337	Free Cancellation	Rating 7.4 9,773 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland 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 Portland.

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

All flight searches from Portland to Missouri on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Portland to Missouri flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Portland to Missouri flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.