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$92+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Round-trip from

$269
(Mytrip)

One-way from

$92
(Mytrip)
From Missouri to Portland
Search Deals
One-way flight from Missouri to Portland
Search Deals

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 February 22, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/85:24 pmSTL - PWM
1 stop14h 24mFrontier
Sat 3/1510:08 amPWM - STL
1 stop22h 50mFrontier
Deal found 2/20$269
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 4/31:38 pmSTL - PWM
1 stop8h 06mAmerican Airlines
Mon 4/77:20 amPWM - STL
1 stop8h 25mAmerican Airlines
Deal found 2/20$315
This Mytrip deal was found by Cheapflights users on 2/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/43:06 pmMCI - PWM
2 stops19h 14mMultiple Airlines
Mon 4/76:18 pmPWM - MCI
3 stops43h 41mMultiple Airlines
Deal found 2/21$318
This Southwest deal was found by Cheapflights users on 2/20. 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.
Thu 4/36:35 pmSTL - PWM
1 stop4h 30mSouthwest
Mon 4/71:00 pmPWM - STL
2 stops10h 00mSouthwest
Deal found 2/20$322
This Delta deal was found by Cheapflights users on 2/21. 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.
Mon 4/215:42 pmMCI - PWM
1 stop4h 27mDelta
Thu 4/245:20 amPWM - MCI
1 stop8h 31mDelta
Deal found 2/21$335
This Southwest deal was found by Cheapflights users on 2/21. 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.
Fri 4/49:05 pmMCI - PWM
2 stops14h 25mSouthwest
Mon 4/75:30 pmPWM - MCI
2 stops7h 35mSouthwest
Deal found 2/21$376
This Delta deal was found by Cheapflights users on 2/21. 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.
Wed 4/234:11 pmSTL - PWM
1 stop6h 48mDelta
Sun 4/275:08 pmPWM - STL
1 stop5h 16mDelta
Deal found 2/21$383
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Fri 4/43:49 pmMCI - PWM
1 stop5h 35mAmerican Airlines
Sun 4/65:38 amPWM - MCI
1 stop7h 17mAmerican Airlines
Deal found 2/21$396
This United Airlines deal was found by Cheapflights users on 2/22. 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.
Mon 7/218:10 amSTL - PWM
1 stop5h 10mUnited Airlines
Fri 7/254:55 pmPWM - STL
1 stop6h 50mUnited Airlines
Deal found 2/22$414
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 7/295:45 pmMCI - PWM
1 stop5h 12mUnited Airlines
Sat 8/23:04 pmPWM - MCI
1 stop8h 06mUnited Airlines
Deal found 2/21$428
This Delta deal was found by Cheapflights users on 2/22. 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.
Wed 3/196:00 amSGF - PWM
2 stops7h 18mDelta
Fri 3/215:30 amPWM - SGF
1 stop6h 55mDelta
Deal found 2/22$504
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Fri 5/24:21 pmSGF - PWM
1 stop5h 03mAmerican Airlines
Fri 5/1612:08 pmPWM - SGF
1 stop9h 30mAmerican Airlines
Deal found 2/21$522

Find flights from Missouri to Portland within your budget

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 February 22, 2025.

Fly from

Missouri

Fly to

Portland

Route

Depart

Return

Price

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Sat 3/8

5:24 pm-8:48 am

1 stop14h 24m

Portland

Sat 3/15

10:08 am-7:58 am

1 stop22h 50m

$269

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Thu 4/3

1:38 pm-10:44 pm

1 stop8h 06m

Portland

Mon 4/7

7:20 am-2:45 pm

1 stop8h 25m

$315

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Fri 4/4

3:06 pm-11:20 am

2 stops19h 14m

Portland

Mon 4/7

6:18 pm-12:59 pm

3 stops43h 41m

$318

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Thu 4/3

6:35 pm-12:05 am

1 stop4h 30m

Portland

Mon 4/7

1:00 pm-10:00 pm

2 stops10h 00m

$322

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Mon 4/21

5:42 pm-11:09 pm

1 stop4h 27m

Portland

Thu 4/24

5:20 am-12:51 pm

1 stop8h 31m

$335

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Fri 4/4

9:05 pm-12:30 pm

2 stops14h 25m

Portland

Mon 4/7

5:30 pm-12:05 am

2 stops7h 35m

$376

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Wed 4/23

4:11 pm-11:59 pm

1 stop6h 48m

Portland

Sun 4/27

5:08 pm-9:24 pm

1 stop5h 16m

$383

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Fri 4/4

3:49 pm-10:24 pm

1 stop5h 35m

Portland

Sun 4/6

5:38 am-11:55 am

1 stop7h 17m

$396

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Mon 7/21

8:10 am-2:20 pm

1 stop5h 10m

Portland

Fri 7/25

4:55 pm-10:45 pm

1 stop6h 50m

$414

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Tue 7/29

5:45 pm-11:57 pm

1 stop5h 12m

Portland

Sat 8/2

3:04 pm-10:10 pm

1 stop8h 06m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 25 results
1
2
3

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.

Travel insights for flights from Missouri to Portland

Get recent, data-driven insights about flights from Missouri to Portland including ideal travel times, pricing trends, and more.

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 April is currently the most expensive (average of $498). 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 February 22, 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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated February 22, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Missouri to Portland. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,395 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Frontier
6.0
Okay
3,352 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $92. Delta flights start at $159 while deals on American Airlines start at $184 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 April is currently the most expensive (average of $498). 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 Missouri?

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

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Top 5 airlines flying from Missouri to Portland

Discover the top 5 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$153Average$285FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$278Average$507FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$489FlexibilityNo cancel feeOn-time69%
DeltaCheapest$303Average$414FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$316Average$448FlexibilityNo cancel feeOn-time63%
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