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Cheap flights from Missouri to Portland from $151

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Portland departing on 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missouri to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:19 pm - 9:08 amSTL  Lambert-St Louis-PWM Portland
14h 49m1 stop Orlando
Multiple Airlines Logo
5:09 pm - 9:40 amPWM  Portland-STL Lambert-St Louis
41h 31m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson
$316Multiple Airlines
Sun, Sep 27 - Tue, Oct 6
United Airlines Logo
6:15 am - 2:38 pmCOU  Columbia Regional-PWM Portland
7h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 10:39 amPWM  Portland-COU Columbia Regional
5h 39m1 stop Chicago O'Hare Intl
$318United Airlines
Mon, Sep 28 - Tue, Oct 6
United Airlines Logo
6:15 am - 2:38 pmCOU  Columbia Regional-PWM Portland
7h 23m1 stop Chicago O'Hare Intl
United Airlines Logo
5:15 am - 2:38 pmPWM  Portland-COU Columbia Regional
10h 23m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
$324United Airlines
Mon, Sep 28 - Tue, Oct 6
Multiple Airlines Logo
5:19 pm - 9:08 amSTL  Lambert-St Louis-PWM Portland
14h 49m1 stop Orlando
Multiple Airlines Logo
5:09 pm - 9:40 amPWM  Portland-STL Lambert-St Louis
41h 31m2 stops Raleigh-Durham Atlanta Hartsfield-Jackson
$326Multiple Airlines
Sun, Sep 27 - Wed, Oct 7
American Airlines Logo
4:16 pm - 11:47 pmMCI  Kansas City-PWM Portland
6h 31m1 stop Washington, D.C. Reagan-National
American Airlines Logo
8:00 am - 1:32 pmPWM  Portland-MCI Kansas City
6h 32m1 stop Philadelphia
$331American Airlines
Wed, Sep 2 - Sun, Sep 6
American Airlines Logo
2:14 pm - 11:47 pmMCI  Kansas City-PWM Portland
8h 33m1 stop Chicago O'Hare Intl
American Airlines Logo
5:30 am - 12:10 pmPWM  Portland-MCI Kansas City
7h 40m1 stop Philadelphia
$331American Airlines
Fri, Sep 11 - Sat, Sep 19
Delta Logo
3:25 pm - 11:35 pmSGF  Springfield-Branson-PWM Portland
7h 10m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:01 am - 10:53 amPWM  Portland-SGF Springfield-Branson
5h 52m1 stop Atlanta Hartsfield-Jackson
$339Delta
Fri, Oct 23 - Wed, Oct 28
Delta Logo
3:19 pm - 11:28 pmSGF  Springfield-Branson-PWM Portland
7h 09m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:01 am - 10:53 amPWM  Portland-SGF Springfield-Branson
5h 52m1 stop Atlanta Hartsfield-Jackson
$339Delta
Wed, Sep 30 - Tue, Oct 6
Southwest Logo
5:00 am - 10:30 amMCI  Kansas City-PWM Portland
4h 30m1 stop Baltimore/Washington
Southwest Logo
3:25 pm - 9:10 pmPWM  Portland-MCI Kansas City
6h 45m1 stop Baltimore/Washington
$344Southwest
Thu, Nov 12 - Tue, Nov 17
Southwest Logo
2:10 pm - 10:30 pmMCI  Kansas City-PWM Portland
7h 20m1 stop Baltimore/Washington
Southwest Logo
6:15 pm - 10:40 pmPWM  Portland-MCI Kansas City
5h 25m1 stop Nashville Intl
$349Southwest
Mon, Sep 14 - Wed, Sep 16

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American Airlines flights from Missouri to Portland, Maine

Our best American Airlines deals on Missouri to Portland, Maine flight tickets
American Airlines
Sep 2
MCI4:16 pmKansas City
6h 31m
1 stop
PWM11:47 pmPortland
Sep 6
PWM8:00 amPortland
6h 32m
1 stop
MCI1:32 pmKansas City
$331
American Airlines
Sep 12
STL5:18 pmLambert-St Louis
5h 29m
1 stop
PWM11:47 pmPortland
Sep 16
PWM10:04 amPortland
7h 23m
1 stop
STL4:27 pmLambert-St Louis
$343
American Airlines
Sep 26
MCI5:13 amKansas City
6h 52m
1 stop
PWM1:05 pmPortland
Sep 30
PWM5:30 amPortland
7h 40m
1 stop
MCI12:10 pmKansas City
$349

United Airlines flights from Missouri to Portland, Maine

Our best United Airlines deals on Missouri to Portland, Maine flight tickets
United Airlines
Sep 21
COU11:17 amColumbia Regional
5h 37m
1 stop
PWM5:54 pmPortland
Sep 27
PWM6:00 amPortland
5h 39m
1 stop
COU10:39 amColumbia Regional
$318
United Airlines
Sep 28
COU6:15 amColumbia Regional
7h 23m
1 stop
PWM2:38 pmPortland
Oct 6
PWM5:15 amPortland
10h 23m
2 stops
COU2:38 pmColumbia Regional
$324
United Airlines
Aug 29
SGF7:30 amSpringfield-Branson
6h 04m
1 stop
PWM2:34 pmPortland
Sep 9
PWM6:06 amPortland
12h 56m
2 stops
SGF6:02 pmSpringfield-Branson
$344

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Portland, Maine 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, momondo users made 832,500 searches. Data last updated August 7, 2026.
Use the filters below to find and compare flights from Missouri to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPortland

STL Lambert-St Louis - PWM Portland

STLPWM

Lambert-St Louis

Sun 9/27

5:19 pm-9:08 am

1 stop14h 49m

Portland

Tue 10/6

5:09 pm-9:40 am

2 stops41h 31m

$316

ColumbiaPortland

COU Columbia Regional - PWM Portland

COUPWM

Columbia Regional

Mon 9/28

6:15 am-2:38 pm

1 stop7h 23m

Portland

Tue 10/6

6:00 am-10:39 am

1 stop5h 39m

$318

ColumbiaPortland

COU Columbia Regional - PWM Portland

COUPWM

Columbia Regional

Mon 9/28

6:15 am-2:38 pm

1 stop7h 23m

Portland

Tue 10/6

5:15 am-2:38 pm

2 stops10h 23m

$324

St. LouisPortland

STL Lambert-St Louis - PWM Portland

STLPWM

Lambert-St Louis

Sun 9/27

5:19 pm-9:08 am

1 stop14h 49m

Portland

Wed 10/7

5:09 pm-9:40 am

2 stops41h 31m

$326

Kansas CityPortland

MCI Kansas City - PWM Portland

MCIPWM

Kansas City

Wed 9/2

4:16 pm-11:47 pm

1 stop6h 31m

Portland

Sun 9/6

8:00 am-1:32 pm

1 stop6h 32m

$331

Kansas CityPortland

MCI Kansas City - PWM Portland

MCIPWM

Kansas City

Fri 9/11

2:14 pm-11:47 pm

1 stop8h 33m

Portland

Sat 9/19

5:30 am-12:10 pm

1 stop7h 40m

$331

SpringfieldPortland

SGF Springfield-Branson - PWM Portland

SGFPWM

Springfield-Branson

Fri 10/23

3:25 pm-11:35 pm

1 stop7h 10m

Portland

Wed 10/28

6:01 am-10:53 am

1 stop5h 52m

$339

SpringfieldPortland

SGF Springfield-Branson - PWM Portland

SGFPWM

Springfield-Branson

Wed 9/30

3:19 pm-11:28 pm

1 stop7h 09m

Portland

Tue 10/6

6:01 am-10:53 am

1 stop5h 52m

$339
Quickest round-trip

Kansas CityPortland

MCI Kansas City - PWM Portland

MCIPWM

Kansas City

Thu 11/12

5:00 am-10:30 am

1 stop4h 30m

Portland

Tue 11/17

3:25 pm-9:10 pm

1 stop6h 45m

$344

Kansas CityPortland

MCI Kansas City - PWM Portland

MCIPWM

Kansas City

Mon 9/14

2:10 pm-10:30 pm

1 stop7h 20m

Portland

Wed 9/16

6:15 pm-10:40 pm

1 stop5h 25m

$349

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Missouri to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from Missouri is in December. Flight prices, which tend to average around $406, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of December, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $407.

How far in advance should I book a flight from Missouri to Portland, Maine?

You are more likely to see cheaper flights to Portland, Maine from Missouri when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $433 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Missouri for as low as $359 on momondo.

Can stopping save me money on Missouri to Portland, Maine flights?

You could potentially save up to 24% on your flight if you consider stops on a Missouri to Portland, Maine flight.

Cheap Missouri to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Portland, Maine

Fastest flight time

4h 30m

Direct flights

None
The fastest flight from Missouri to Portland, Maine takes 4h 30m
There are no direct flights from Missouri to Portland, Maine. There are no popular flight routes from Missouri to Portland, Maine.
Search flight deals

Frequently asked questions about flying from Missouri to Portland, Maine

  • When did momondo last update prices for flights from Missouri to Portland Airport?

    Prices for flights from Missouri to Portland Airport are updated daily.

  • How many operators does momondo search for flights from Missouri to Portland Airport?

  • How old do you have to be to fly from Missouri to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missouri to Portland, Maine

Compare and see reviews for airlines that fly from Missouri to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $264Free CancellationRating
7.4
10,072 reviews
Search United Airlines flights
DeltaPriceFrom $274Free CancellationRating
7.8
8,491 reviews
Search Delta flights
American AirlinesPriceFrom $285Free CancellationRating
7.1
11,865 reviews
Search American Airlines flights
SouthwestPriceFrom $312Free CancellationRating
8.0
4,218 reviews
Search Southwest flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Lewiston
Brunswick
Freeport
Conway
Gorham
Bartlett
Auburn
Windham
Intervale
Bath
Oxford
Georgetown
Falmouth
Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Missouri.

Can I find flights from Missouri to Portland with flexible booking policies on momondo?

Yes. All flights to Portland from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Portland?

Once you have performed a search for Missouri to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Missouri to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Missouri and alert you when they change.

An easier way to manage your Portland, Maine trip

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