Cheap Flights from St. Louis (STL) to Mumias (MUM)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Mumias (MUM)

Flights from St. Louis (STL) to Mumias (MUM)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Mumias
Distance
8031 mi

St. Louis to Mumias Flights

The cheapest times to fly from St. Louis to Mumias

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

 

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

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

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 Mumias 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 Mumias 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 Mumias 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 Mumias (MUM) cost?
Lock in a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Mumias (MUM) 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 Mumias (MUM)?
The cheapest month to fly from STL to MUM is , when there's less demand. Off-peak season is generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Mumias (MUM)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STL to MUM flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Mumias (MUM)?
There are no daily direct flights available from Lambert-St. Louis Intl. Airport (STL) to Mumias (MUM). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from STL to MUM?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the airline and season.*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 Mumias (MUM)?
To land at Mumias (MUM) without delays, select a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Mumias (MUM) last-minute?
Waiting until right before your break to book a flight from STL to MUM generally means paying more. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a STL to MUM flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to MUM flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Mumias (MUM)?
If you booked your STL to MUM flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, 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 if you'd like more information.

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*Available to One Key members.