Cheap Flights from Greeley (GXY) to St. Louis (STL)

Popular airlines from Greeley, CO (GXY-Weld County) to St. Louis Lambert Intl. Airport (STL)

  • 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
Flights from Greeley (GXY) to St. Louis (STL)
Origin airport
Weld County
Destination airport
Lambert-St. Louis Intl.
Distance
767 mi

Greeley to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Greeley 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 Greeley 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 Greeley to St. Louis 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 Greeley 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 Greeley 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 is a flight from GXY to Lambert Field?
The lowest price advertised for a round-trip journey from GXY to Lambert-St. Louis Intl. Airport (STL) is . But you better get moving. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from GXY to STL?
This can differ between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where you'll find simple instructions on how to cancel online.
How do I find cheap flights from GXY to Lambert-St. Louis Intl. Airport (STL) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for GXY to STL flights, you'll see a "no change fees" filter for you to select.
How far is the flight from GXY to St. Louis Lambert International Airport?
The flight distance from GXY (GXY) to Lambert-St. Louis Intl. Airport (STL) (STL) is just 777 mi. You'll be walking down the air bridge and grabbing your bags from the carousel before long.
Which airlines fly direct from GXY to STL?
Flying directly between GXY and Lambert Field isn't possible at present. However, you'll still be able to find a flight to St. Louis with at least one stop.
Are GXY to Lambert Field flight tickets cheaper when they're purchased at the last minute?
Flight tickets from GXY to St. Louis Lambert International Airport are available up to 12 months prior to departure on Expedia. And although you may pick up great last-minute deal, it's not something you should count on. Also, booking your flights well in advance means you'll have more choices — and you can avoid landing the dreaded middle seat! We're always updating our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.
*Available to One Key members.