CA $563 Cheap Flights from St. Louis (STL) to Deer Lake (YDF)

View CA $563 flight on Mon, Sep. 1, 2025Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL) to Deer Lake, NL (YDF-Deer Lake Regional)

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Cheap flights from St. Louis (STL) to Deer Lake (YDF)

Prices were available within the past 7 days and start at CA $563 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from St. Louis to Deer Lake (STL - YDF) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Deer Lake Regional
Distance
2837 km

St. Louis to Deer Lake Flights

The easy way to book your flights from St. Louis to Deer Lake 

With Expedia, it’s simple to find and book flights to Deer Lake from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 2 airlines that cover this route. There are nonstop flights to Deer Lake Regional, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Deer Lake today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Deer Lake Regional, YDF 

Sort your search results by price to find great deals on your flight from St. Louis to Deer Lake—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Deer Lake from St. Louis currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Deer Lake  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Deer Lake from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Deer Lake with Expedia today.

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to YDF?
Start packing your bags, because round-trip journeys between Lambert Field and YDF start from . That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to YDF?
This differs from airline to airline, as each has its own set of terms and conditions. Visit the Customer Service Portal, where there are simple instructions on how to cancel online.
How do I find cheap flights from Lambert Field to Deer Lake Regional Airport that have flexible change policies?
Plenty of carriers will allow you to move your flight without a change fee. All you pay is the cost difference between the two flights. When searching for STL to Deer Lake Regional Airport (YDF) flights, you'll find a "No change fees" box for you to select.
How many hours is the flight from Lambert-St. Louis Intl. Airport (STL) to Deer Lake Regional Airport (YDF)?
There are plenty of ways to make the 4 hours and 45 minutes between STL and Deer Lake Regional Airport (YDF) go by faster. If you want to be productive, sort through your photos or clear out all those backed-up emails. A snooze also helps pass the time!
How far is the flight from Lambert Field to Deer Lake Regional Airport (YDF)?
You'll be up above the clouds for a while, as the flight distance between STL and YDF is 2,900 kilometres. Create a playlist of your favourite podcasts before leaving home to stay entertained during the flight.
Which airlines fly direct from Lambert Field to Deer Lake Regional Airport (YDF)?
There are no direct flights, so you'll need to make at least one stop between STL and Deer Lake Regional Airport. Make the most of the layover time to stretch your legs and grab a coffee.
Are STL to YDF flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so it's no sure thing. While last-minute deals between STL and YDF are possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some airlines publicize their prices up to 12 months before the departure date. Expedia is constantly updating the biggest bargains around, so keep checking and be ready to secure your seat when the price dips.

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