Cheap Flights from St. Louis (STL) to New Ulm (ULM)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to New Ulm, MN (ULM-New Ulm Municipal)

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Find available prices by choosing your travel dates.
Flights from St. Louis (STL) to New Ulm (ULM)
Origin airport
Lambert-St. Louis Intl.
Destination airport
New Ulm Municipal
Distance
440 mi

St. Louis to New Ulm Flights

The cheapest times to fly from St. Louis to New Ulm

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

The best time to book a flight from St. Louis to New Ulm

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

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 New Ulm 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 New Ulm 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 New Ulm 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 Lambert-St. Louis Intl. Airport (STL) to New Ulm, MN (ULM-New Ulm Municipal) cost?
Discover the latest flight deals from STL to ULM 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 STL to ULM?
The cheapest flights from STL to ULM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to ULM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from STL to ULM. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to New Ulm, MN (ULM-New Ulm Municipal)?
You’ll have to book a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to New Ulm, MN (ULM-New Ulm Municipal). Direct flights don’t operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from STL to ULM?
Typically you’ll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, carrier 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 New Ulm, MN (ULM-New Ulm Municipal)?
Choose a flight from Lambert-St. Louis Intl. Airport (STL) to New Ulm, MN (ULM-New Ulm Municipal) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this 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.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to New Ulm, MN (ULM-New Ulm Municipal) last-minute?
Last-minute fares from STL to ULM are typically more expensive. To secure the lowest rates, start looking for flights as soon as possible. That said, if your travel plans are flexible, it’s possible to score a cheap fare right before your trip.
Is it cheaper to book a STL to ULM flight and hotel package?
You’ll typically save money by securing a STL to ULM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one place. After choosing your ideal accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to New Ulm, MN (ULM-New Ulm Municipal)?
You can usually cancel or reschedule your STL to ULM flight. However, for bookings made more than 24 hours ago, additional charges 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.

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*Available to One Key members.