Cheap flights from St. Louis to Maine from $69
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Maine departing on 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from St. Louis to Maine
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
American Airlines flights from St. Louis to Maine
Our best American Airlines deals on St. Louis to Maine flight tickets
Spirit Airlines flights from St. Louis to Maine
Our best Spirit Airlines deals on St. Louis to Maine flight tickets
See travel insights to Maine from
How to get the cheapest flight ticket from St. Louis to 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 Maine?
The cheapest month to fly to Maine from St. Louis 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 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 $367.
What is the cheapest day to depart on your flight to Maine?
The cheapest day to depart from St. Louis to Maine is on a Tuesday. Travelers who choose to depart for Maine on a Tuesday will often find tickets for as low as $375. Flights from St. Louis to Maine on a Friday will generally be more expensive and average around $456. 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 Maine?
The cheapest time of day to fly to Maine is in the evening when flights can be purchased for as low as $285. Flights at noon are often more expensive with an average ticket price of $436.
How far in advance should I book a flight to Maine?
You are more likely to see cheaper flights to Maine from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Maine for around $406 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Maine from St. Louis for as low as $350 on momondo.
What is the cheapest airline that flies from Lambert-St Louis to Maine?
Spirit Airlines, Frontier, and American Airlines are the most popular carriers operating from Lambert-St Louis to Maine
What airlines fly to Maine?
American Airlines, Delta and Southwest are the top three most popular airlines that fly to Maine from St. Louis according to our data. American Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Maine. Keep in mind that there are 4 different airlines that fly to Maine on a routine basis, so you have a few additional options to choose from.
Cheap St. Louis to Maine flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Maine
When did momondo last update prices for flights from Lambert-St Louis Airport to Maine?
Prices for flights from Lambert-St Louis Airport to Maine refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Maine?
There are 6 operators available for flights from Lambert-St Louis Airport to Maine as of July 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Maine?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Maine.
What documentation or ID do you need to fly to Maine?
The travel and health documents you'll need for your trip to Maine may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Maine. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from St. Louis to Maine
Compare and see reviews for airlines that fly from St. Louis to Maine with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $201 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $229 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $258 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $316 | Free Cancellation | Rating 8.0 4,270 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Maine?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Maine for you.
Can I find flights from St. Louis to Maine with flexible booking policies on momondo?
Yes. All flights to Maine from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from St. Louis to Maine?
momondo provides multiple filters to help you find the best flight to Maine from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from St. Louis to Maine right now. Can momondo alert me if prices change?
Price alerts on flights to Maine from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.