Cheap Flights from St. Louis (STL) to Guernsey (GCI)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Guernsey (GCI)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

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

    Earn twice

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

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Guernsey Airport (GCI) cost?
Secure a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Guernsey Airport (GCI) 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 Guernsey Airport (GCI)?
is the least expensive month to fly from STL to GCI. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Guernsey Airport (GCI)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to GCI flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Guernsey Airport (GCI)?
There are no daily nonstop flights departing from Lambert-St. Louis Intl. Airport (STL) to Guernsey Airport (GCI). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from STL to GCI?
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 Lambert-St. Louis Intl. Airport (STL) to Guernsey Airport (GCI)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Guernsey Airport (GCI) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Guernsey Airport (GCI) last-minute?
Booking your ticket from STL to GCI shortly before your getaway is usually more expensive. However, if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a STL to GCI flight and hotel package?
Opting for a STL to GCI flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our extensive range of accommodations and then add flights, car rentals and activities 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 Guernsey Airport (GCI)?
In most cases, you can cancel or modify your STL to GCI flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Guernsey
Distance
4167 mi

Book with confidence

St. Louis to Guernsey Flights

The cheapest times to fly from St. Louis to Guernsey

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

 

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

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

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 Guernsey 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 Guernsey 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 Guernsey 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 Guernsey Flights
*Available to One Key members.