Cheap Flights from Miami (MIA) to St. Marys (KSM)

Popular airlines from Miami Intl. Airport (MIA) to St. Marys, AK (KSM)

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Frequently asked questions

How much does a flight from Miami Intl. Airport (MIA) to St. Marys Airport (KSM) cost?
Snag a cheap one-way flight or cheap return flight from Miami Intl. Airport (MIA) to St. Marys Airport (KSM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Miami Intl. Airport (MIA) to St. Marys Airport (KSM)?
Flying in may help you find better deals, as it's the cheapest month for flights between MIA and KSM. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Miami Intl. Airport (MIA) to St. Marys Airport (KSM)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from MIA to KSM. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Miami Intl. Airport (MIA) to St. Marys Airport (KSM)?
Direct flights from Miami Intl. Airport (MIA) to St. Marys Airport (KSM) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MIA to KSM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Miami Intl. Airport (MIA) to St. Marys Airport (KSM)?
To arrive at St. Marys Airport (KSM) on schedule, select a flight that takes off from Miami Intl. Airport (MIA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Miami Intl. Airport (MIA) to St. Marys Airport (KSM) last-minute?
Last-minute fares from MIA to KSM are generally more expensive. To secure the lowest prices, start looking for flights ahead of time. That being said, if you're flexible with your travel dates, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a MIA to KSM flight and hotel package?
Opting for a MIA to KSM flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Miami Intl. Airport (MIA) to St. Marys Airport (KSM)?
Typically, it's possible to reschedule or cancel your MIA to KSM flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Miami Intl.
Destination airport
St. Marys
Distance
4431 mi

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Miami to St. Marys Flights

The cheapest times to fly from Miami to St. Marys

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 Miami to St. Marys are during the month of . You can find some of the cheapest flights from Miami to St. Marys with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Miami to St. Marys

Sunday is one of the best days to book for cheap flights from Miami to St. Marys: 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 Miami to St. Marys

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 Miami to St. Marys in 2026. 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 Miami to St. Marys 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 Miami to St. Marys 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.

 

Miami to St. Marys Flights

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*Available to One Key members.