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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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PWM
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$248
(Booking.com)

One-way from

$159
(Delta)
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 March 28, 2025.

This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/114:57 pmSTL - PWM
1 stop15h 15mFrontier
Tue 4/153:05 pmPWM - STL
1 stop9h 41mFrontier
Deal found 3/27$248
This Delta deal was found by Cheapflights users on 3/25. 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 5/63:30 pmSTL - PWM
1 stop18h 23mDelta
Fri 5/166:05 amPWM - STL
1 stop15h 43mDelta
Deal found 3/25$313
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:06 amSTL - PWM
1 stop4h 23mAmerican Airlines
Wed 9/178:03 amPWM - STL
1 stop4h 50mAmerican Airlines
Deal found 3/27$317
This Southwest deal was found by Cheapflights users on 3/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/56:00 pmMCI - PWM
1 stop5h 05mSouthwest
Tue 6/106:55 pmPWM - MCI
1 stop5h 05mSouthwest
Deal found 3/27$335
This Delta deal was found by Cheapflights users on 3/28. 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 5/275:26 pmMCI - PWM
1 stop5h 33mDelta
Sat 5/315:30 amPWM - MCI
1 stop7h 40mDelta
Deal found 3/28$336
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/184:23 pmMCI - PWM
1 stop5h 38mAmerican Airlines
Wed 6/256:01 pmPWM - MCI
1 stop6h 49mAmerican Airlines
Deal found 3/27$337
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 8/206:35 amSTL - PWM
2 stops6h 50mUnited Airlines
Wed 8/272:14 pmPWM - STL
2 stops8h 18mUnited Airlines
Deal found 3/27$339
This Southwest deal was found by Cheapflights users on 3/26. 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 6/54:35 pmSTL - PWM
2 stops6h 30mSouthwest
Mon 6/97:40 pmPWM - STL
1 stop5h 05mSouthwest
Deal found 3/26$377
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Fri 6/62:10 pmSGF - PWM
1 stop7h 33mAmerican Airlines
Mon 6/96:33 pmPWM - SGF
1 stop6h 20mAmerican Airlines
Deal found 3/28$404
This American Airlines deal was found by Cheapflights users on 3/26. 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 4/115:56 amCOU - PWM
2 stops8h 22mAmerican Airlines
Tue 4/156:00 amPWM - COU
2 stops10h 59mAmerican Airlines
Deal found 3/26$495
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 4/286:20 pmSGF - PWM
1 stop19h 33mUnited Airlines
Sun 5/46:13 amPWM - SGF
1 stop5h 40mUnited Airlines
Deal found 3/27$497
This United deal was found by Cheapflights users on 3/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/126:00 amMCI - PWM
2 stops11h 13mUnited Airlines
Sat 7/2610:05 amPWM - MCI
2 stops12h 38mUnited Airlines
Deal found 3/28$512

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 March 28, 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

Fri 4/11

4:57 pm-9:12 am

1 stop15h 15m

Portland

Tue 4/15

3:05 pm-11:46 pm

1 stop9h 41m

$248

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Tue 5/6

3:30 pm-10:53 am

1 stop18h 23m

Portland

Fri 5/16

6:05 am-8:48 pm

1 stop15h 43m

$313

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Wed 9/10

5:06 pm-10:28 pm

1 stop4h 22m

Portland

Wed 9/17

5:27 pm-8:58 pm

1 stop4h 31m

$317

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Thu 6/5

6:00 pm-12:05 am

1 stop5h 05m

Portland

Tue 6/10

6:55 pm-11:00 pm

1 stop5h 05m

$335

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Tue 5/27

5:26 pm-11:59 pm

1 stop5h 33m

Portland

Sat 5/31

5:30 am-12:10 pm

1 stop7h 40m

$336

Kansas CityPortland

MCI - PWM

MCIPWM

Kansas City

Wed 6/18

4:23 pm-11:01 pm

1 stop5h 38m

Portland

Wed 6/25

6:01 pm-11:50 pm

1 stop6h 49m

$337

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Wed 8/20

6:35 am-2:25 pm

2 stops6h 50m

Portland

Wed 8/27

2:14 pm-9:32 pm

2 stops8h 18m

$339

St. LouisPortland

STL - PWM

STLPWM

Lambert-St Louis

Thu 6/5

4:35 pm-12:05 am

2 stops6h 30m

Portland

Mon 6/9

7:40 pm-11:45 pm

1 stop5h 05m

$377

SpringfieldPortland

SGF - PWM

SGFPWM

Springfield-Branson

Fri 6/6

2:10 pm-10:43 pm

1 stop7h 33m

Portland

Mon 6/9

6:33 pm-11:53 pm

1 stop6h 20m

$404

ColumbiaPortland

COU - PWM

COUPWM

Columbia Regional

Fri 4/11

5:56 am-3:18 pm

2 stops8h 22m

Portland

Tue 4/15

6:00 am-3:59 pm

2 stops10h 59m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 26 results
1
2
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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 April is currently the most expensive (average of $423). 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 March 28, 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 March 28, 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
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
6.0
Okay
3,271 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 Delta, which is currently one of the cheapest options available, starting at $159. United Airlines flights start at $169 while deals on American Airlines start at $194 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 $423). 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 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$153Average$285FlexibilityNo cancel feeOn-time62%
DeltaCheapest$268Average$381FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$502FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$475FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$316Average$448FlexibilityNo cancel feeOn-time63%
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