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Portland

$96+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$199
(Frontier)

One-way from

$96
(Mytrip)

Popular in

December

Cheapest in

April

Average price

$386
Provider with most accurate pricing for Kansas City-Portland flight deals.
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Provider most trusted by Cheapflights users for Kansas City-Portland flights.
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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. 11% potential increase in price ($57 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 April 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 April 30, 2025.

This Frontier deal was found by Cheapflights users on 4/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/105:45 pmSTL - PWM
1 stop24h 48mFrontier
Sat 5/177:30 pmPWM - STL
1 stop29h 36mFrontier
Deal found 4/28$199
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 9/32:06 pmSGF - PWM
1 stop7h 40mAmerican Airlines
Wed 9/109:25 amPWM - SGF
1 stop7h 43mAmerican Airlines
Deal found 4/29$269
This Delta deal was found by Cheapflights users on 4/29. 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 9/33:35 pmSGF - PWM
1 stop5h 09mDelta
Wed 9/1011:25 amPWM - SGF
2 stops12h 07mDelta
Deal found 4/29$274
This Delta deal was found by Cheapflights users on 4/27. 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.
Tue 6/35:40 pmSTL - PWM
1 stop5h 19mDelta
Wed 6/1111:44 amPWM - STL
1 stop6h 05mDelta
Deal found 4/27$285
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 10/156:02 pmMCI - PWM
1 stop4h 38mAmerican Airlines
Wed 10/222:53 pmPWM - MCI
1 stop8h 03mAmerican Airlines
Deal found 4/28$299
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 6/145:05 pmSTL - PWM
1 stop4h 58mAmerican Airlines
Tue 6/176:00 amPWM - STL
1 stop7h 51mAmerican Airlines
Deal found 4/28$301
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 6/2112:05 pmMCI - PWM
1 stop8h 32mDelta
Sat 7/56:03 amPWM - MCI
1 stop6h 02mDelta
Deal found 4/29$318
This Southwest deal was found by Cheapflights users on 4/29. 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 8/224:35 pmMCI - PWM
1 stop5h 35mSouthwest
Sat 8/304:50 pmPWM - MCI
1 stop5h 00mSouthwest
Deal found 4/29$344
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 8/85:40 pmMCI - PWM
1 stop5h 19mUnited Airlines
Tue 8/126:00 amPWM - MCI
2 stops9h 22mUnited Airlines
Deal found 4/28$349
This Southwest deal was found by Cheapflights users on 4/28. 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 7/254:35 pmSTL - PWM
2 stops6h 30mSouthwest
Wed 7/305:30 amPWM - STL
2 stops7h 05mSouthwest
Deal found 4/28$353
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Thu 5/296:30 amSTL - PWM
2 stops7h 23mUnited Airlines
Sat 5/315:40 amPWM - STL
1 stop5h 16mUnited Airlines
Deal found 4/27$402
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 7/296:22 amCOU - PWM
2 stops13h 08mAmerican Airlines
Tue 8/126:15 amPWM - COU
1 stop5h 58mAmerican Airlines
Deal found 4/29$408

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 April 30, 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

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Sat 5/10

5:45 pm-7:33 pm

1 stop24h 48m

Portland

Sat 5/17

7:30 pm-12:06 am

1 stop29h 36m

$199

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Tue 6/3

3:40 pm-11:59 pm

1 stop7h 19m

Portland

Tue 6/10

1:59 pm-8:53 pm

1 stop7h 54m

$285

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Tue 7/22

5:00 am-1:44 pm

1 stop7h 44m

Portland

Tue 7/29

6:01 pm-11:55 pm

1 stop6h 54m

$299

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Sat 6/14

5:05 pm-11:03 pm

1 stop4h 58m

Portland

Tue 6/17

6:00 am-12:51 pm

1 stop7h 51m

$301

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Sat 6/21

12:05 pm-9:37 pm

1 stop8h 32m

Portland

Sat 7/5

6:03 am-11:05 am

1 stop6h 02m

$318

SpringfieldPortland

SGF - PWM

SGFPWM

Springfield-Branson

Wed 7/16

3:57 pm-12:31 am

1 stop7h 34m

Portland

Tue 7/22

6:05 am-6:11 pm

2 stops13h 06m

$329

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Fri 7/25

4:35 pm-12:05 am

2 stops6h 30m

Portland

Wed 7/30

5:30 am-11:35 am

2 stops7h 05m

$353

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Tue 7/22

5:25 pm-11:25 pm

1 stop5h 00m

Portland

Tue 7/29

5:30 am-12:25 pm

2 stops7h 55m

$379

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Tue 7/22

5:40 pm-11:59 pm

1 stop5h 19m

Portland

Tue 7/29

5:35 am-2:22 pm

2 stops9h 47m

$384

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Thu 5/29

6:30 am-2:53 pm

2 stops7h 23m

Portland

Sat 5/31

5:40 am-9:56 am

1 stop5h 16m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 21 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.

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 May is currently the most expensive (average of $405). 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 April 30, 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 April 30, 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
8.0
Very good
4,295 reviews

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,936 reviews
Southwest
8.0
Very good
4,295 reviews

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,295 reviews

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,295 reviews

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Frontier
6.0
Okay
3,287 reviews
Southwest
8.0
Very good
4,295 reviews

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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 $96. American Airlines flights start at $143 while deals on Delta start at $148 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 May is currently the most expensive (average of $405). 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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Alternative routes for Missouri to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$372FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$498FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$464FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$316Average$434FlexibilityNo cancel feeOn-time63%

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