Cheap Flights from St. Louis (STL) to Mary's Harbour (YMH)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Mary's Harbour, NL (YMH)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Mary's Harbour, NL (YMH) cost?
Lock in a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Mary's Harbour, NL (YMH) 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 Lambert-St. Louis Intl. Airport (STL) to Mary's Harbour, NL (YMH)?
is the least expensive month to fly from STL to YMH. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Mary's Harbour, NL (YMH)?
To find the cheapest airline flying from STL to YMH, 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 Mary's Harbour, NL (YMH)?
You'll need to book a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Mary's Harbour, NL (YMH). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from STL to YMH?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, season and other factors.*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 Mary's Harbour, NL (YMH)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Mary's Harbour, NL (YMH) route, aim to fly before 3 PM. Departures after this hour are 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.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Mary's Harbour, NL (YMH) last-minute?
Holding off until just before your trip to book a ticket from STL to YMH often results in higher prices. While it's possible to find some last-minute discounts, they're not always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Mary's Harbour, NL (YMH)?
If you reserved your STL to YMH flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Mary's Harbour
Distance
1890 mi

Book with confidence

St. Louis to Mary's Harbour Flights

The cheapest times to fly from St. Louis to Mary's Harbour

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

 

The best time to book a flight from St. Louis to Mary's Harbour

Sunday is one of the best days to book for cheap flights from St. Louis to Mary's Harbour: 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 Mary's Harbour

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 Mary's Harbour 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 Mary's Harbour 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 Mary's Harbour 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 Mary's Harbour Flights

Explore a world of travel with Expedia

*Available to One Key members.