Cheap flights from Portland, Maine to Missouri from $66
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Missouri departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights
These are some of the best round-trip flight deals from Portland, Maine to Missouri that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland, Maine to Missouri.
Cheap last minute flights
Planning a quick getaway from Portland, Maine to Missouri? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Missouri, so you can enjoy a seamless trip without layovers.
Cheap bus & train deals from Portland, Maine to Missouri
Find recent round-trip train or bus tickets from Portland, Maine to Missouri.
All round-trip flight deals from Portland, Maine to Missouri
The cheapest plane tickets from Portland, Maine to Missouri found on KAYAK recently.
Frontier flights from Portland, Maine to Missouri
Our best Frontier deals on Portland, Maine to Missouri flight tickets
Frontier![Frontier]()
Feb 10![Frontier]()
Feb 15
PWM9:02 pmPortland
27h 29m
1 stop
STL11:31 pmLambert-St Louis
STL5:20 pmLambert-St Louis
14h 58m
1 stop
PWM9:18 amPortland
Frontier![Frontier]()
Feb 10![Frontier]()
Feb 15
PWM9:02 pmPortland
27h 29m
1 stop
STL11:31 pmLambert-St Louis
STL5:20 pmLambert-St Louis
14h 58m
1 stop
PWM9:18 amPortland
United Airlines flights from Portland, Maine to Missouri
Our best United Airlines deals on Portland, Maine to Missouri flight tickets
United Airlines![United Airlines]()
Feb 10![United Airlines]()
Feb 15
PWM6:00 amPortland
10h 38m
2 stops
STL3:38 pmLambert-St Louis
STL6:30 amLambert-St Louis
7h 12m
2 stops
PWM2:42 pmPortland
United Airlines![United Airlines]()
Mar 7![United Airlines]()
Mar 10
PWM6:10 amPortland
9h 23m
2 stops
STL2:33 pmLambert-St Louis
STL3:30 pmLambert-St Louis
7h 17m
2 stops
PWM11:47 pmPortland
See travel insights to Missouri from
How to get the cheapest flight ticket from Portland, Maine to Missouri
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
Prices
Airlines
What is the cheapest month to fly to Missouri?
In general, September is the cheapest month to fly from Portland, Maine to Missouri. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $402. If you aren’t able to travel to Missouri during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $422.
What is the cheapest day to depart on your flight to Missouri?
The cheapest day to depart from Portland, Maine to Missouri is on a Tuesday when prices can be found for as low as $443. Flights from Portland, Maine to Missouri on a Monday will generally be more expensive and average around $638. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Missouri?
According to our data, the cheapest time of day to fly to Missouri is in the afternoon. momondo users have found flights departing from Portland, Maine to Missouri in the afternoon for as low as $441. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly at noon, with an average ticket price of $609. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Missouri?
You are more likely to see cheaper flights to Missouri from Portland, Maine when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Missouri for around $493 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missouri from Portland, Maine for as low as $249 on momondo.
What is the cheapest airline that flies from Portland to Missouri?
Frontier, American Airlines, and Delta are the most popular carriers operating from Portland to Missouri
What airlines fly to Missouri?
American Airlines, Delta and Spirit Airlines are the top three most popular airlines that fly to Missouri from Portland, Maine according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 7 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.
Cheap Portland, Maine to Missouri flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Missouri
When did momondo last update prices for flights from Portland Airport to Missouri?
Prices for flights from Portland Airport to Missouri are updated daily.
How many operators does momondo search for flights from Portland Airport to Missouri?
There are 4 operators available for flights from Portland Airport to Missouri as of January 2025.
How old do you have to be to fly from Portland Airport to Missouri?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The required travel and health documents for your Missouri trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Missouri. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Portland, Maine to Missouri
Compare and see reviews for airlines that fly from Portland, Maine to Missouri with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $208 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $267 | Free Cancellation | Rating 8.0 8,511 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 7.4 8,964 reviews | |||
| PriceFrom $351 | Free Cancellation | Rating 8.1 4,659 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Missouri?
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 Missouri from Portland.
Can I find flights from Portland to Missouri with flexible booking policies on momondo?
All flight searches from Portland to Missouri on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Portland to Missouri?
Once all potential Portland to Missouri flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Portland to Missouri right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Portland to Missouri flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.
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