Cheap Flights from Kirksville (IRK) to St. Louis (SUS)

Popular airlines from Kirksville, MO (IRK-Kirksville Municipal) to St. Louis, MO (SUS-Spirit of St. Louis)

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Alternative airports near St. Louis

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Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $446
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $446
Flights from Kirksville (IRK) to St. Louis (SUS)
Origin airport
Kirksville Municipal
Destination airport
Spirit of St. Louis
Distance
141 mi

Kirksville to St. Louis Flights

The cheapest times to fly from Kirksville to St. Louis

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

 

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

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

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 Kirksville to St. Louis 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 Kirksville to St. Louis 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 Kirksville to St. Louis 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 Kirksville Municipal Airport (IRK) to Spirit of St. Louis Airport (SUS) cost?
Grab a cheap one-way flight or cheap return flight from Kirksville Municipal Airport (IRK) to Spirit of St. Louis Airport (SUS) 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 Kirksville Municipal Airport (IRK) to Spirit of St. Louis Airport (SUS)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between IRK and SUS. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Kirksville Municipal Airport (IRK) to Spirit of St. Louis Airport (SUS)?
Expedia's filter tool lets you easily compare different airlines, flight durations 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 IRK to SUS flight.
How many flights per day from Kirksville Municipal Airport (IRK) to Spirit of St. Louis Airport (SUS)?
Direct flights from Kirksville Municipal Airport (IRK) to Spirit of St. Louis Airport (SUS) 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 select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IRK to SUS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kirksville Municipal Airport (IRK) to Spirit of St. Louis Airport (SUS)?
Opt for a flight from Kirksville Municipal Airport (IRK) to Spirit of St. Louis Airport (SUS) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**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 Kirksville Municipal Airport (IRK) to Spirit of St. Louis Airport (SUS) last-minute?
Holding off until just before your trip to book a ticket from IRK to SUS generally means paying more. While you may find some last-minute offers, there's no guarantee. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book an IRK to SUS flight and hotel package?
You'll typically save money by booking an IRK to SUS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Kirksville Municipal Airport (IRK) to Spirit of St. Louis Airport (SUS)?
Typically, you can reschedule or cancel your IRK to SUS flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further information, head to our Customer Service portal.

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*Available to One Key members.