How long does it take to fly to Portland, Maine?

The flight from Missouri to Portland, Maine depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from St. Louis (a popular airport in Missouri) to Boston (the most popular airport in Portland, Maine), then the flight time is 2h 30m on average. If you fly from Kansas City (another popular airport in Missouri) to Boston, then the average flight time is 2h 54m.

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

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

What airlines fly to Portland, Maine?

American Airlines, Southwest and Delta are the top three most popular airlines that fly to Portland, Maine from Missouri according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

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

As of November 2026, there are 2 flights per week flying from Missouri to Portland, Maine. The most common day of the week flights depart is Fri, with 50% of flights taking off on this day.

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

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

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

As of November 2026, there are 4 operators available to choose from for flights from Missouri to Portland Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$162 Cheap Flights from Missouri to Portland, Maine in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Portland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 am - 4:26 pmMCI Kansas City-PWM Portland

8h 11m1 stop New York LaGuardia

1:45 pm - 7:52 pmPWM Portland-MCI Kansas City

7h 07m1 stop New York LaGuardia

$348Delta

Mon, Feb 1 - Sat, Feb 6

10:55 am - 11:26 pmMCI Kansas City-PWM Portland

11h 31m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

1:45 pm - 7:52 pmPWM Portland-MCI Kansas City

7h 07m1 stop New York LaGuardia

$353Delta

Mon, Feb 1 - Sat, Feb 6

9:49 am - 4:12 pmMCI Kansas City-PWM Portland

5h 23m1 stop Washington, D.C. Reagan-National

6:00 am - 1:08 pmPWM Portland-MCI Kansas City

8h 08m1 stop Philadelphia

$363American Airlines

Mon, Feb 1 - Sat, Feb 6

6:02 am - 12:02 pmSTL Lambert-St Louis-PWM Portland

5h 00m1 stop Chicago O'Hare Intl

6:00 am - 12:25 pmPWM Portland-STL Lambert-St Louis

7h 25m1 stop Philadelphia

$373American Airlines

Sat, Dec 5 - Tue, Dec 15

3:26 pm - 11:24 pmMCI Kansas City-PWM Portland

6h 58m1 stop Newark

4:47 pm - 11:07 pmPWM Portland-MCI Kansas City

7h 20m1 stop Chicago O'Hare Intl

$373United Airlines

Tue, Dec 1 - Mon, Dec 7

9:40 am - 3:38 pmSTL Lambert-St Louis-PWM Portland

4h 58m1 stop Chicago O'Hare Intl

9:12 am - 4:36 pmPWM Portland-STL Lambert-St Louis

8h 24m2 stops Newark Chicago O'Hare Intl

$378United Airlines

Sat, Dec 5 - Tue, Dec 15

6:25 am - 12:10 pmMCI Kansas City-PWM Portland

4h 45m1 stop Baltimore/Washington

5:15 am - 11:35 amPWM Portland-MCI Kansas City

7h 20m1 stop Baltimore/Washington

$383Southwest

Mon, Dec 7 - Mon, Dec 14

6:25 am - 12:10 pmMCI Kansas City-PWM Portland

4h 45m1 stop Baltimore/Washington

3:25 pm - 9:15 pmPWM Portland-MCI Kansas City

6h 50m1 stop Baltimore/Washington

$383Southwest

Mon, Dec 7 - Mon, Dec 14

6:20 pm - 9:08 amSTL Lambert-St Louis-PWM Portland

13h 48m1 stop Orlando

12:28 pm - 12:12 amPWM Portland-STL Lambert-St Louis

12h 44m2 stops Raleigh-Durham Orlando

$383Multiple Airlines

Thu, Dec 10 - Sat, Dec 12

6:20 pm - 9:08 amSTL Lambert-St Louis-PWM Portland

13h 48m1 stop Orlando

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

15h 24m1 stop Orlando

$384Multiple Airlines

Thu, Dec 10 - Sat, Dec 12

Cheap last minute flights

Enter your travel dates to find the best prices.

6:34 pm - 4:24 pmSTL Lambert-St Louis-PWM Portland

20h 50m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

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

15h 53m1 stop Orlando

$679Multiple Airlines

Mon, Nov 16 - Fri, Dec 18

8:15 pm - 11:28 amSTL Lambert-St Louis-PWM Portland

14h 13m1 stop Chicago O'Hare Intl

3:21 pm - 9:30 pmPWM Portland-STL Lambert-St Louis

7h 09m1 stop Washington, D.C. Reagan-National

$712American Airlines

Mon, Nov 16 - Fri, Dec 18

8:00 am - 2:16 pmCOU Columbia Regional-PWM Portland

5h 16m1 stop Chicago O'Hare Intl

5:08 pm - 10:58 pmPWM Portland-COU Columbia Regional

6h 50m1 stop Chicago O'Hare Intl

$730United Airlines

Fri, Nov 20 - Sun, Nov 22

8:00 am - 2:16 pmCOU Columbia Regional-PWM Portland

5h 16m1 stop Chicago O'Hare Intl

5:08 pm - 10:58 pmPWM Portland-COU Columbia Regional

6h 50m1 stop Chicago O'Hare Intl

$735United Airlines

Fri, Nov 20 - Sun, Nov 22

1:09 pm - 9:51 pmMCI Kansas City-PWM Portland

7h 42m1 stop Chicago O'Hare Intl

3:23 pm - 11:52 pmPWM Portland-MCI Kansas City

9h 29m1 stop Denver Intl

$743United Airlines

Wed, Nov 18 - Wed, Nov 25

1:09 pm - 11:21 pmMCI Kansas City-PWM Portland

9h 12m2 stops Chicago O'Hare Intl Newark

3:23 pm - 11:52 pmPWM Portland-MCI Kansas City

9h 29m1 stop Denver Intl

$748United Airlines

Wed, Nov 18 - Wed, Nov 25

11:55 am - 9:50 pmSTL Lambert-St Louis-PWM Portland

8h 55m2 stops Dallas Love Field Baltimore/Washington

10:25 am - 7:10 pmPWM Portland-STL Lambert-St Louis

9h 45m2 stops Baltimore/Washington Austin Bergstrom

$880Southwest

Mon, Nov 16 - Fri, Dec 18

6:26 am - 3:36 pmCOU Columbia Regional-PWM Portland

8h 10m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

12:35 pm - 6:03 pmPWM Portland-COU Columbia Regional

6h 28m1 stop Chicago O'Hare Intl

$923American Airlines

Fri, Nov 20 - Sun, Nov 22

6:26 am - 3:36 pmCOU Columbia Regional-PWM Portland

8h 10m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

10:34 am - 9:29 pmPWM Portland-COU Columbia Regional

11h 55m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

$948American Airlines

Fri, Nov 20 - Sun, Nov 22

6:26 am - 3:36 pmCOU Columbia Regional-PWM Portland

8h 10m2 stops Chicago O'Hare Intl Washington, D.C. Reagan-National

12:35 pm - 6:03 pmPWM Portland-COU Columbia Regional

6h 28m1 stop Chicago O'Hare Intl

$961American Airlines

Fri, Nov 20 - Sun, Nov 22

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Delta flights from Missouri to Portland, Maine

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

Delta

Feb 1

MCI7:15 amKansas City

8h 11m

1 stop

PWM4:26 pmPortland

Feb 6

PWM1:45 pmPortland

7h 07m

1 stop

MCI7:52 pmKansas City

$348

Delta

Feb 1

MCI10:55 amKansas City

11h 31m

2 stops

PWM11:26 pmPortland

Feb 6

PWM1:45 pmPortland

7h 07m

1 stop

MCI7:52 pmKansas City

$353

Delta

Feb 1

MCI1:51 pmKansas City

8h 19m

2 stops

PWM11:10 pmPortland

Feb 6

PWM6:17 amPortland

9h 31m

2 stops

MCI2:48 pmKansas City

$358

United Airlines flights from Missouri to Portland, Maine

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

United Airlines

Dec 5

STL9:40 amLambert-St Louis

4h 58m

1 stop

PWM3:38 pmPortland

Dec 15

PWM9:12 amPortland

8h 24m

2 stops

STL4:36 pmLambert-St Louis

$378

United Airlines

Dec 10

STL6:30 amLambert-St Louis

7h 07m

2 stops

PWM2:37 pmPortland

Dec 12

PWM3:41 pmPortland

7h 34m

1 stop

STL10:15 pmLambert-St Louis

$383

United Airlines

Dec 5

STL9:40 amLambert-St Louis

4h 58m

1 stop

PWM3:38 pmPortland

Dec 15

PWM9:38 amPortland

9h 38m

2 stops

STL6:16 pmLambert-St Louis

$398

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kansas CityPortland

MCI Kansas City - PWM Portland

MCIPWM

Kansas City

Mon 2/1

7:15 am-4:26 pm

1 stop8h 11m

Portland

Sat 2/6

1:45 pm-7:52 pm

1 stop7h 07m

$348

Kansas CityPortland

MCI Kansas City - PWM Portland

MCIPWM

Kansas City

Mon 2/1

10:55 am-11:26 pm

2 stops11h 31m

Portland

Sat 2/6

1:45 pm-7:52 pm

1 stop7h 07m

$353

Kansas CityPortland

MCI Kansas City - PWM Portland

MCIPWM

Kansas City

Mon 2/1

9:49 am-4:12 pm

1 stop5h 23m

Portland

Sat 2/6

6:00 am-1:08 pm

1 stop8h 08m

$363

St. LouisPortland

STL Lambert-St Louis - PWM Portland

STLPWM

Lambert-St Louis

Sat 12/5

6:02 am-12:02 pm

1 stop5h 00m

Portland

Tue 12/15

6:00 am-12:25 pm

1 stop7h 25m

$373

Kansas CityPortland

MCI Kansas City - PWM Portland

MCIPWM

Kansas City

Tue 12/1

3:26 pm-11:24 pm

1 stop6h 58m

Portland

Mon 12/7

4:47 pm-11:07 pm

1 stop7h 20m

$373

St. LouisPortland

STL Lambert-St Louis - PWM Portland

STLPWM

Lambert-St Louis

Sat 12/5

9:40 am-3:38 pm

1 stop4h 58m

Portland

Tue 12/15

9:12 am-4:36 pm

2 stops8h 24m

$378

Kansas CityPortland

MCI Kansas City - PWM Portland

MCIPWM

Kansas City

Mon 12/7

6:25 am-12:10 pm

1 stop4h 45m

Portland

Mon 12/14

5:15 am-11:35 am

1 stop7h 20m

$383

Quickest round-trip

Kansas CityPortland

MCI Kansas City - PWM Portland

MCIPWM

Kansas City

Mon 12/7

6:25 am-12:10 pm

1 stop4h 45m

Portland

Mon 12/14

3:25 pm-9:15 pm

1 stop6h 50m

$383

St. LouisPortland

STL Lambert-St Louis - PWM Portland

STLPWM

Lambert-St Louis

Thu 12/10

6:20 pm-9:08 am

1 stop13h 48m

Portland

Sat 12/12

12:28 pm-12:12 am

2 stops12h 44m

$383

St. LouisPortland

STL Lambert-St Louis - PWM Portland

STLPWM

Lambert-St Louis

Thu 12/10

6:20 pm-9:08 am

1 stop13h 48m

Portland

Sat 12/12

9:48 am-12:12 am

1 stop15h 24m

$384

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 Missouri to Portland, Maine

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 Portland, Maine?

The cheapest month to fly to Portland, Maine from Missouri is in December. Flight prices, which tend to average around $339, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of December, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $398.

How far in advance should I book a flight from Missouri to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $430 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Missouri for as low as $363 on momondo.

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

You could potentially save up to 18% on your flight if you consider stops on a Missouri to Portland, Maine flight.

Cheap Missouri to Portland, Maine flight deals and tips

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

Best Price Found	$162
Fastest flight time	4h 45m
Direct flights	None

The best one-way flight to Portland, Maine from Missouri in the past 72 hours is $162. The best round-trip flight deal from Missouri to Portland, Maine found on momondo in the last 72 hours is $348.

The fastest flight from Missouri to Portland, Maine takes 4h 45m

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

Search flight deals

Frequently asked questions about flying from Missouri to Portland, Maine

When did momondo last update prices for flights from Missouri to Portland Airport?
Prices for flights from Missouri to Portland Airport are updated daily.
How many operators does momondo search for flights from Missouri to Portland Airport?
As of November 2026, there are 4 operators available to choose from for flights from Missouri to Portland Airport.
How old do you have to be to fly from Missouri to Portland Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to Portland, Maine

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $292	Free Cancellation	Rating 7.8 8,719 reviews	Search Delta flights
American Airlines	PriceFrom $298	Free Cancellation	Rating 7.0 12,234 reviews	Search American Airlines flights
Southwest	PriceFrom $312	Free Cancellation	Rating 8.0 4,219 reviews	Search Southwest flights
United Airlines	PriceFrom $318	Free Cancellation	Rating 7.3 10,493 reviews	Search United Airlines flights

North Conway

Jackson

Boothbay Harbor

Brunswick

Lewiston

Freeport

Conway

Gorham

Auburn

Bartlett

Bath

Windham

Intervale

Georgetown

Oxford

Falmouth

Tamworth

Why use momondo?

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

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 Portland from Missouri.

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

Yes. All flights to Portland from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Missouri to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Missouri and alert you when they change.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Airports servicing Maine

Rockland Knox County Regional Airport

Cheap flights from Missouri to Portland from $162

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Portland departing on 12/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Missouri to Portland, Maine

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

United Airlines flights from Missouri to Portland, Maine

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

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to Portland, Maine that are best for you.

See travel insights to Portland from

How to get the cheapest flight ticket from Missouri to Portland, Maine

What is the cheapest month to fly to Portland, Maine?

How far in advance should I book a flight from Missouri to Portland, Maine?

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

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

What airlines fly to Portland, Maine?

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

How long does it take to fly to Portland, Maine?

Cheap Missouri to Portland, Maine flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Missouri to Portland, Maine

Best airlines flying from Missouri to Portland, Maine

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

Traveling to a place near Portland?

Why use momondo?

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Maine

Fly your favorite airline to Portland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portland

List of cabin classes available on flights landing in Portland. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Missouri

According to popular flight searches on momondo this year

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