Cheap flights from Missouri to Portland from $139
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 9/15. 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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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 January. Flight prices, which tend to average around $366, 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 January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $369.
What is the cheapest day to depart on your flight to Portland, Maine?
On average, the least expensive day to fly to Portland, Maine from Missouri is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $375. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $456.
What is the cheapest time of day to depart on your flight to Portland, Maine?
In the evening is the cheapest time of day to fly from Missouri to Portland, Maine when you can find flight prices for as low as $285. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $436. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight 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 $405 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 $350 on momondo.
What is the cheapest airline that flies from Missouri to Portland?
American Airlines, Delta, and Southwest are the most popular carriers operating from Missouri to Portland
What airlines fly to Portland, Maine?
American Airlines, Delta and Southwest are the top three most popular airlines that fly to Portland, Maine from Missouri according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 6 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.
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
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?
As of June 2025, there are 4 operators available to choose from 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 | ||
|---|---|---|---|---|---|
| PriceFrom $162 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $274 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $316 | Free Cancellation | Rating 8.0 4,280 reviews |
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy 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.