A beach with clear turquoise water, a sandy shore, and a backdrop of lush green hills with buildings.

Cheap Flights from Moline (MLI) to Castries (SLU)

Popular airlines from Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU) cost?
Secure a cheap one-way flight or cheap return flight from Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU)?
The cheapest month to fly from MLI to SLU is , when there's less demand. Off-peak months are typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU)?
To find the cheapest airline flying from MLI to SLU, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU)?
There are no daily nonstop flights available from Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from MLI to SLU?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU)?
To avoid possible delays on the Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU) route, aim to travel before 3 PM. Later departures are 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 Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU) last-minute?
Booking your flight from MLI to SLU shortly before your trip is generally more expensive. However, if there's some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a MLI to SLU flight and hotel package?
Opting for a MLI to SLU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Quad City Intl. Airport (MLI) to George F. L. Charles Airport (SLU)?
If you booked your MLI to SLU flight in the last 24 hours, you may be able to modify or cancel 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, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Quad City Intl.
Destination airport
George F. L. Charles
Distance
2591 mi

Book with confidence

Moline to Castries Flights

The cheapest times to fly from Moline to Castries

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

 

The best time to book a flight from Moline to Castries

Sunday is one of the best days to book for cheap flights from Moline to Castries: 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 Moline to Castries

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 Moline to Castries in 2026. 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 Moline to Castries 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 Moline to Castries 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.

 

Moline to Castries Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia