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Portland

$149+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$294
(Delta)

One-way from

$149
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$432
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 ($60 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 July 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 July 31, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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 11/1410:21 amSGF - PWM
1 stop5h 46mAmerican Airlines
Tue 11/187:02 amPWM - SGF
1 stop6h 18mAmerican Airlines
Deal found 7/30$269
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:13 pmSGF - PWM
1 stop6h 58mDelta
Tue 10/76:00 amPWM - SGF
1 stop6h 04mDelta
Deal found 7/28$294
This Delta deal was found by Cheapflights users on 7/31. 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 9/234:06 pmMCI - PWM
1 stop7h 05mDelta
Fri 9/2611:45 amPWM - MCI
1 stop7h 30mDelta
Deal found 7/31$297
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 9/84:55 pmSTL - PWM
1 stop5h 10mAmerican Airlines
Sat 9/136:15 amPWM - STL
1 stop16h 38mAmerican Airlines
Deal found 7/30$297
This American Airlines deal was found by Cheapflights users on 7/30. 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 10/185:34 amMCI - PWM
2 stops8h 36mAmerican Airlines
Wed 10/224:14 pmPWM - MCI
1 stop6h 43mAmerican Airlines
Deal found 7/30$302
This Delta deal was found by Cheapflights users on 7/29. 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.
Mon 9/86:00 amSTL - PWM
1 stop5h 58mDelta
Sat 9/1311:45 amPWM - STL
2 stops11h 15mDelta
Deal found 7/29$302
This Southwest deal was found by Cheapflights users on 7/30. 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.
Tue 9/2312:35 pmMCI - PWM
2 stops8h 50mSouthwest
Tue 9/305:50 amPWM - MCI
2 stops6h 40mSouthwest
Deal found 7/30$307
This Southwest deal was found by Cheapflights users on 7/30. 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.
Mon 9/82:45 pmSTL - PWM
2 stops7h 35mSouthwest
Wed 9/101:50 pmPWM - STL
2 stops7h 15mSouthwest
Deal found 7/30$322
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/2311:41 amMCI - PWM
2 stops9h 18mUnited Airlines
Mon 9/296:14 amPWM - MCI
1 stop5h 23mUnited Airlines
Deal found 7/30$333
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 9/33:11 pmSGF - PWM
1 stop5h 48mUnited Airlines
Wed 9/104:56 pmPWM - SGF
1 stop6h 19mUnited Airlines
Deal found 7/30$374
This American Airlines deal was found by Cheapflights users on 7/30. 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 10/111:49 pmCOU - PWM
1 stop7h 56mAmerican Airlines
Sat 10/186:00 amPWM - COU
1 stop6h 07mAmerican Airlines
Deal found 7/30$402
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/135:28 pmSTL - PWM
1 stop27h 16mUnited Airlines
Fri 10/173:45 pmPWM - STL
2 stops20h 04mUnited Airlines
Deal found 7/29$483

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 July 31, 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

Tue 9/30

4:13 pm-12:11 am

1 stop6h 58m

Portland

Tue 10/7

6:00 am-11:04 am

1 stop6h 04m

$294

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Mon 9/8

4:55 pm-11:05 pm

1 stop5h 10m

Portland

Sat 9/13

6:15 am-9:53 pm

1 stop16h 38m

$297

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Tue 9/23

4:06 pm-12:11 am

1 stop7h 05m

Portland

Fri 9/26

11:45 am-6:15 pm

1 stop7h 30m

$297

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Sat 10/18

5:34 am-3:10 pm

2 stops8h 36m

Portland

Wed 10/22

4:14 pm-9:57 pm

1 stop6h 43m

$302

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Mon 9/8

6:00 am-12:58 pm

1 stop5h 58m

Portland

Sat 9/13

11:45 am-10:00 pm

2 stops11h 15m

$302

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Tue 9/23

12:35 pm-10:25 pm

2 stops8h 50m

Portland

Tue 9/30

5:50 am-11:30 am

2 stops6h 40m

$307

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Mon 9/8

2:45 pm-11:20 pm

2 stops7h 35m

Portland

Wed 9/10

1:50 pm-8:05 pm

2 stops7h 15m

$322

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Tue 9/23

11:41 am-9:59 pm

2 stops9h 18m

Portland

Mon 9/29

6:14 am-10:37 am

1 stop5h 23m

$333

SpringfieldPortland

SGF - PWM

SGFPWM

Springfield-Branson

Wed 9/3

3:11 pm-9:59 pm

1 stop5h 48m

Portland

Wed 9/10

4:56 pm-10:15 pm

1 stop6h 19m

$374

SpringfieldPortland

SGF - PWM

SGFPWM

Springfield-Branson

Wed 9/3

12:37 pm-10:29 pm

1 stop8h 52m

Portland

Wed 9/10

6:15 am-1:33 pm

1 stop8h 18m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

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 July 31, 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?

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 July 31, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Missouri to Portland to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,900 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 American Airlines, which is currently one of the cheapest options available, starting at $149. Delta flights start at $154 while deals on United Airlines start at $214 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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Alternative routes for Missouri to Portland

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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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$162Average$375FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$274Average$476FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$306Average$472FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$308Average$459FlexibilityNo cancel feeOn-time63%

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