Cheap Flights from St. Louis (STL) to Morristown (MMU)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Morristown, NJ (MMU-Morristown Municipal)

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Alternative airports near Morristown

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Liberty Intl. EWR. Cheapest option available. Average driving time to city center is 26 minutes. Flights from $296
EWR
Liberty Intl.
Cheapest
Average driving time to city center26 min
Flights from $296
Select flight to LaGuardia LGA. Average driving time to city center is 1 hour 0 minutes. Flights from $302
LGA
LaGuardia
Average driving time to city center1 h 0 min
Flights from $302

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Morristown Municipal Airport (MMU) cost?
Secure a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Morristown Municipal Airport (MMU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Morristown Municipal Airport (MMU)?
The cheapest month to fly from STL to MMU is , when demand is low. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Morristown Municipal Airport (MMU)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STL to MMU flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Morristown Municipal Airport (MMU)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Morristown Municipal Airport (MMU) 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 select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to MMU?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 Morristown Municipal Airport (MMU)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Morristown Municipal Airport (MMU) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Morristown from Lambert-St. Louis Intl. Airport (STL)?
You'll arrive at LaGuardia Airport (LGA) or Liberty Intl. Airport (EWR) when traveling to Morristown on a direct flight from Lambert-St. Louis Intl. Airport (STL).
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Morristown Municipal Airport (MMU) last-minute?
Waiting until just before your trip to book a ticket from STL to MMU often results in higher prices. While you might find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible to boost your chances of landing a bargain.
Is it cheaper to book a STL to MMU flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to MMU flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the hassle out of travel planning. Simply pick your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Morristown Municipal Airport (MMU)?
If you booked your STL to MMU flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Morristown Municipal
Distance
857 mi

Book with confidence

Book with confidence

St. Louis to Morristown Flights

The cheapest times to fly from St. Louis to Morristown

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

 

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

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

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 Morristown 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 Morristown 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 Morristown 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 Morristown Flights

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*Available to One Key members.