$110 Cheap Flights from St. Louis (STL) to Moline (MLI)

View $110 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Quad City Intl. Airport (MLI)

Cheap Flights from St. Louis to Moline (STL-MLI)

Prices were available within the past 7 days and start at $110 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 7 - Tue, Oct 14
STL
St. Louis
MLI
Moline
$224 Roundtrip, found 3 days ago
$224
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Oct 7 from St. Louis to Moline, returning Tue, Oct 14, priced at $224 found 3 days ago
American Airlines
Fri, Oct 3 - Sun, Oct 5
STL
St. Louis
MLI
Moline
$229 Roundtrip, found 6 days ago
$229
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Oct 3 from St. Louis to Moline, returning Sun, Oct 5, priced at $229 found 6 days ago
United
Fri, Oct 3 - Sun, Oct 5
STL
St. Louis
MLI
Moline
$249 Roundtrip, found 6 days ago
$249
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 3 from St. Louis to Moline, returning Sun, Oct 5, priced at $249 found 6 days ago
United
Fri, Oct 3 - Sat, Oct 4
STL
St. Louis
MLI
Moline
$270 Roundtrip, found 6 days ago
$270
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 3 from St. Louis to Moline, returning Sat, Oct 4, priced at $270 found 6 days ago
United
Tue, Oct 7 - Wed, Oct 15
STL
St. Louis
MLI
Moline
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select United flight, departing Tue, Oct 7 from St. Louis to Moline, returning Wed, Oct 15, priced at $284 found 3 days ago
United
Tue, Sep 30 - Wed, Oct 15
STL
St. Louis
MLI
Moline
$289 Roundtrip, found 3 days ago
$289
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 30 from St. Louis to Moline, returning Wed, Oct 15, priced at $289 found 3 days ago
United
Tue, Sep 30 - Sat, Oct 11
STL
St. Louis
MLI
Moline
$294 Roundtrip, found 3 days ago
$294
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 30 from St. Louis to Moline, returning Sat, Oct 11, priced at $294 found 3 days ago
United
Fri, Oct 3 - Sat, Oct 4
STL
St. Louis
MLI
Moline
$299 Roundtrip, found 4 days ago
$299
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 3 from St. Louis to Moline, returning Sat, Oct 4, priced at $299 found 4 days ago
United
Fri, Oct 3 - Sun, Oct 5
STL
St. Louis
MLI
Moline
$309 Roundtrip, found 6 days ago
$309
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 3 from St. Louis to Moline, returning Sun, Oct 5, priced at $309 found 6 days ago
Delta
Mon, Nov 10 - Fri, Nov 14
STL
St. Louis
MLI
Moline
$934 Roundtrip, found 17 hours ago
$934
Roundtrip
found 17 hours ago
Select Delta flight, departing Mon, Nov 10 from St. Louis to Moline, returning Fri, Nov 14, priced at $934 found 17 hours ago

Alternative airports near Moline

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

Select flight to Quad City Intl. MLI. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $404
MLI
Quad City Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $404

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Quad City Intl. Airport (MLI) cost?
Secure a cheap one-way flight from $110 or cheap return flight from $224 from Lambert-St. Louis Intl. Airport (STL) to Quad City Intl. Airport (MLI) 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 Quad City Intl. Airport (MLI)?
October is the cheapest month to fly from STL to MLI. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Quad City Intl. Airport (MLI)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from STL to MLI. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Quad City Intl. Airport (MLI)?
You'll have to take a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Quad City Intl. Airport (MLI). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from STL to MLI?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be 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 Quad City Intl. Airport (MLI)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Quad City Intl. Airport (MLI) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Moline from Lambert-St. Louis Intl. Airport (STL)?
Southeast Iowa Regional Airport (BRL) is the only airport in Moline with direct flights from Lambert-St. Louis Intl. Airport (STL). Consider the available options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Quad City Intl. Airport (MLI) last-minute?
Holding off until just before your departure to book a ticket from STL to MLI generally means paying more. While you may find some last-minute offers, they're not always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a STL to MLI flight and hotel package?
Opting for a STL to MLI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Quad City Intl. Airport (MLI)?
If you reserved your STL to MLI flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Quad City Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$223
Distance
187 mi

Book with confidence

Book with confidence

St. Louis to Moline Flights

The cheapest times to fly from St. Louis to Moline

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

 

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

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

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 Moline in 2025. You can also book with separate airlines for your outbound and return journeys, from $110 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 Moline 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 Moline 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 Moline Flights

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Explore a world of travel with Expedia

*Available to One Key members.