Cheap Flights from St. Louis (STL) to Sanford (SFM)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional)

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Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional) cost?
Get a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional)?
is the cheapest month to fly from STL to SFM. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional)?
To find the cheapest airline flying from STL to SFM, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional)?
You'll have to book a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from STL to SFM?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional) last-minute?
Holding off until just before your trip to book a ticket from STL to SFM generally means paying more. While you may come across some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book a STL to SFM flight and hotel package?
Securing a STL to SFM flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our impressive range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Sanford, ME (SFM-Sanford Seacoast Regional)?
In most instances, you can reschedule or cancel your STL to SFM flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need further information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Sanford Seacoast Regional
Distance
1070 mi

Book with confidence

Book with confidence

St. Louis to Sanford Flights

The cheapest times to fly from St. Louis to Sanford

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Sanford are during the month of . You can find some of the cheapest flights from St. Louis to Sanford with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Sanford

Sunday is one of the best days to book for cheap flights from St. Louis to Sanford: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Sanford

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Sanford in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Sanford flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Sanford airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Sanford Flights

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*Available to One Key members.