Cheap Flights from St. Louis (STL) to Spencer (SPW)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Spencer, IA (SPW-Spencer Municipal)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Spencer, IA (SPW-Spencer Municipal) cost?
Grab a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Spencer, IA (SPW-Spencer Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Spencer, IA (SPW-Spencer Municipal)?
The cheapest month to fly from STL to SPW is , when there's less demand. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Spencer, IA (SPW-Spencer Municipal)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STL to SPW. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Spencer, IA (SPW-Spencer Municipal)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Spencer, IA (SPW-Spencer Municipal) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to SPW?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based on the time of year, airline 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 Spencer, IA (SPW-Spencer Municipal)?
To touch down at Spencer, IA (SPW-Spencer Municipal) without delays, choose a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Spencer, IA (SPW-Spencer Municipal) last-minute?
Last-minute fares from STL to SPW are typically more expensive. To lock in the best prices, start searching for flights as early as possible. That being said, if your travel plans are flexible, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a STL to SPW flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to SPW flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the stress out of planning your trip. Just pick your flights and select from our wide range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Spencer, IA (SPW-Spencer Municipal)?
In most cases, you're able to cancel or reschedule your STL to SPW flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Spencer Municipal
Distance
396 mi

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St. Louis to Spencer Flights

The cheapest times to fly from St. Louis to Spencer

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

 

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

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

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 Spencer 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 Spencer 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 Spencer 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 Spencer Flights

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*Available to One Key members.