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Portland

$159+ Cheap flights from Missouri to Portland, ME (PWM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Missouri to Portland

Keep the following information in mind while searching for Missouri to Portland flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$269
(Delta)

One-way from

$159
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$401
From Missouri to Portland
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One-way flight from Missouri to Portland
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Highest demand for flights based on searches. 12% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Missouri to Portland

Cheapest flights from Missouri to Portland
Explore the most affordable flight options available from Missouri to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/253:23 pmSGF - PWM
1 stop5h 56mDelta
mar. 10/286:00 amPWM - SGF
1 stop6h 04mDelta
Deal found 9/14$269
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1511:11 amMCI - PWM
1 stop11h 40mAmerican Airlines
mié. 10/2212:34 pmPWM - MCI
1 stop11h 17mAmerican Airlines
Deal found 9/14$309
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/66:00 amSTL - PWM
1 stop9h 37mAmerican Airlines
lun. 11/105:43 amPWM - STL
1 stop8h 30mAmerican Airlines
Deal found 9/14$309
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/218:30 amSTL - PWM
1 stop5h 08mAmerican Airlines
lun. 10/276:00 amPWM - STL
1 stop4h 56mAmerican Airlines
Deal found 9/14$312
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/145:47 pmMCI - PWM
1 stop5h 12mUnited Airlines
mié. 10/223:45 pmPWM - MCI
1 stop8h 39mUnited Airlines
Deal found 9/15$317
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/154:10 pmSTL - PWM
1 stop6h 55mDelta
sáb. 10/256:30 amPWM - STL
2 stops10h 01mDelta
Deal found 9/16$317
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/212:30 pmMCI - PWM
2 stops7h 00mSouthwest
mar. 10/284:00 pmPWM - MCI
1 stop6h 50mSouthwest
Deal found 9/14$322
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/307:45 amSGF - PWM
1 stop5h 48mUnited Airlines
sáb. 10/46:00 amPWM - SGF
2 stops9h 36mUnited Airlines
Deal found 9/14$324
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/910:09 amMCI - PWM
1 stop21h 57mMultiple Airlines
sáb. 11/1511:21 amPWM - MCI
2 stops23h 56mMultiple Airlines
Deal found 9/15$325
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/66:00 amSTL - PWM
1 stop5h 08mAmerican Airlines
sáb. 11/86:00 amPWM - STL
1 stop5h 14mAmerican Airlines
Deal found 9/14$327
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/610:09 amMCI - PWM
1 stop21h 57mMultiple Airlines
sáb. 11/1511:21 amPWM - MCI
2 stops23h 56mMultiple Airlines
Deal found 9/15$328
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/226:00 amMCI - PWM
1 stop6h 53mUnited Airlines
sáb. 10/256:14 amPWM - MCI
1 stop5h 23mUnited Airlines
Deal found 9/15$330

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
Use the filters below to find and compare flights from Missouri to Portland that are best for you.

Fly from

Missouri

Fly to

Portland

Route

Depart

Return

Price

SpringfieldPortland

SGF - PWM

SGFPWM

Springfield-Branson

sáb. 10/25

3:23 pm-10:19 pm

1 stop5h 56m

Portland

mar. 10/28

6:00 am-11:04 am

1 stop6h 04m

$269

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

mar. 11/11

5:53 am-11:59 pm

1 stop17h 06m

Portland

sáb. 11/15

5:43 am-4:32 pm

1 stop11h 49m

$309

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

sáb. 10/18

6:00 am-4:27 pm

1 stop9h 27m

Portland

mié. 10/22

12:34 pm-10:51 pm

1 stop11h 17m

$309

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

mié. 10/15

11:11 am-11:51 pm

1 stop11h 40m

Portland

mié. 10/22

12:34 pm-10:51 pm

1 stop11h 17m

$309

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

mar. 10/21

8:30 am-2:38 pm

1 stop5h 08m

Portland

lun. 10/27

6:00 am-9:56 am

1 stop4h 56m

$312

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

mié. 11/5

6:15 am-12:00 pm

1 stop4h 45m

Portland

mié. 11/12

6:00 am-2:07 pm

1 stop9h 07m

$317

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

mar. 10/21

2:30 pm-10:30 pm

2 stops7h 00m

Portland

mar. 10/28

4:00 pm-9:50 pm

1 stop6h 50m

$322

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

lun. 11/17

2:36 pm-11:19 pm

2 stops7h 43m

Portland

mar. 11/18

6:00 am-4:07 pm

2 stops11h 07m

$322

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

sáb. 10/18

7:16 am-10:45 pm

1 stop14h 29m

Portland

sáb. 10/25

5:59 pm-11:58 pm

1 stop6h 59m

$322

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

jue. 11/6

2:08 pm-10:37 pm

1 stop7h 29m

Portland

sáb. 11/8

3:52 pm-9:00 pm

1 stop6h 08m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 41 results
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Best time to book a flight from Missouri to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missouri to Portland

What is the cheapest month to book a flight from Missouri to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from Missouri to Portland, Maine (average of $296). Flying from Missouri to Portland, Maine in July is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MO to PWM?

Find hourly flight availability from Missouri to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Portland, Maine as you normally would.

How much does it cost to fly round-trip from Missouri to Portland, Maine?

Related info for your journey

Find useful and relevant information for your journey from Missouri to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Missouri?

    If you book a flight to Portland from Missouri, you will be flying to Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland.

  • How long is the flight from Missouri to Portland, Maine?

    Airlines like Delta, American Airlines, and Southwest fly from Missouri to Portland, Maine in about 5h 56m. The time it takes to get you to your destination can typically vary by up to 11h 10m. The distance from Missouri to Portland, Maine is about 1285 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Portland, Maine one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $164. Delta flights start at $164 while deals on United Airlines start at $310 one-way.

  • What are the most popular routes from Missouri to Portland, Maine?

    While some choose either Lambert-St Louis - Portland or Springfield-Branson - Portland, Kansas City - Portland is the most popular route from Missouri to Portland, Maine.

  • Can I find deals for flights from Missouri to Portland that include hotel bookings?

    Yes. In addition to deals on Missouri to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Portland.

  • Can I find deals for business class flights from Missouri to Portland?

    Yes. Cheapflights offers flight deals from Missouri to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missouri to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Missouri to Portland, Maine (average of $296). Flying from Missouri to Portland, Maine in July is currently the most expensive (average of $394). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Brunswick
North Conway
Auburn
Conway
Lewiston

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Top 4 airlines flying from Missouri to Portland

Discover the top 4 airlines that operate flights from Missouri to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$128Average$373FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$212Average$473FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$274Average$448FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$308Average$467FlexibilityNo cancel feeOn-time63%

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