Cheap Flights from St. Marys (KSM) to Anchorage (ANC)

Popular airlines from St. Marys, AK (KSM) to Ted Stevens Anchorage Intl. Airport (ANC)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Flights from St. Marys (KSM) to Anchorage (ANC)
Origin airport
St. Marys
Destination airport
Ted Stevens Anchorage Intl.
Distance
438 mi
Average flight time
1 hour 55 mins

St. Marys to Anchorage Flights

The cheapest times to fly from St. Marys to Anchorage

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

 

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

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

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. Marys to Anchorage 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. Marys to Anchorage 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. Marys to Anchorage 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.

 

Frequently asked questions

How much does a flight from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC) cost?
Discover the latest flight deals from KSM to ANC by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from KSM to ANC?
The cheapest flights from KSM to ANC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC)?
You can fly straight from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC) on a Ravn Alaska flight.
What is the cheapest airline that flies from KSM to ANC?
Currently, the cheapest airline operating one-way flights from KSM to ANC is Ravn Alaska. You can book a seat on this route from $545. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KSM on July 24 2025. Prices were last updated on July 16 2025 and have not changed since.
How many flights per day from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC)?
On average, you can pick from 3 direct flights each week from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC). For more options, consider taking a flight with a layover. Simply enter your details on Expedia and then set the filter tool to include one stop or more.
What are the most popular departure times for flights from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC)?
More travelers fly between KSM and ANC at 2 PM than at any other time of day. Looking to skip the crowds? Travel outside of rush hours and you could save on your ticket as well.
What day of the week has the most flights from KSM to ANC?
Friday has the most flights from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC)?
The first flight of the day out of St. Marys Airport (KSM) is at around 2:15PM UTC-9. Board this plane and you'll arrive at Ted Stevens Anchorage Intl. Airport (ANC) at approximately 4:10PM UTC-9. The total time in the air is 1h 55m.
How long does it take to fly from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC)?
It takes approximately 1 hour and 55 minutes to travel the 440 mi from KSM to ANC.
What is the best time to fly from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC)?
Opt for a flight from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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.
What airports do you fly into for Anchorage from St. Marys Airport (KSM)?
If you're on a direct flight from St. Marys Airport (KSM) to Anchorage, Ted Stevens Anchorage Intl. Airport (ANC) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC) last-minute?
Booking your ticket from KSM to ANC right before your journey is usually more expensive. However, if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a KSM to ANC flight and hotel package?
Compared with arranging hotels and flights separately, booking a KSM to ANC flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the stress out of travel planning. Just secure your flights and select from our extensive range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from St. Marys Airport (KSM) to Ted Stevens Anchorage Intl. Airport (ANC)?
In most instances, you can cancel or reschedule your KSM to ANC flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.