Cheap Flights from Green Bay to St Louis

Compare Green Bay to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

Book the best St Louis fare with no extra fees

Flight deals from Green Bay to St Louis

Looking for a cheap last-minute deal or the best return flight from Green Bay Airport to St Louis Airport? If you want to travel next month, return fares start from $493. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Green Bay to St Louis

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Green Bay to St Louis flights are currently cheapest in August.

Green Bay to St Louis: Alternative routes

Compare routes from Green Bay to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Green Bay to St Louis: Flight information

The things to know before you go.
Cheapest flight found$493
Cheapest month to flyAugust

Finding cheap flights from Green Bay to St Louis: Frequently asked questions

The best price we found for a return flight from Green Bay to St Louis is $493. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Green Bay to St Louis. But we found flights with one or more stops from $493.
As of July 2026, there are no flights flying from Green Bay to St Louis.
The cheapest month to fly from Green Bay to St Louis is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Green Bay Airport to St Louis Airport on Saturday, 15 August 2026.
No airlines currently offer direct flights between Green Bay Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Delta offers the cheapest flight tickets to St Louis.

Flying from Green Bay Airport (GRB) to St Louis Airport (STL): what you need to know

  • Green Bay and St Louis are in the UTC-6 timezone. This means you won't have to change your watch on arrival.

  • Get to the airport on time so you don't miss your GRB to STL flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • During popular months such as November, you'll want to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you travel during peak periods in general.

  • Consider adding a stopover when booking your ticket from Green Bay Airport to St Louis Airport. Simply deselect 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Check out these options between GRB and STL:

    • Chicago O'Hare International Airport

    • Detroit Wayne County Airport

    • Minneapolis St Paul Airport

How to find the cheapest flights from Green Bay Airport (GRB) to St Louis Airport (STL)

  • The lowest price we've seen for a one-way Green Bay Airport to St Louis Airport flight is $380. A return plane ticket right now is $493. Depending on the availability when you book, these fares can change.

  • To get your hands on cheap tickets from GRB to STL, book as early as you can. Airlines tend to offer the most competitive fares when flights are first released.

  • Getting cheap flights from Green Bay Airport to St Louis Airport is easy if you can be flexible with your dates. Use the 'Whole month' function to see the best prices across the month and snap up a great deal.

  • You don't need to check every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as there's a better deal on cheap flights from GRB to STL.

  • Tailor your trip using filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Green Bay Airport to St Louis Airport.

Handy information about Green Bay Airport (GRB)

  • GRB is located at 2077 Airport Drive.

  • 72% of flights taking off from Green Bay Airport touch down at their destination on time.

  • Green Bay Airport is about 13 kilometres from central Green Bay. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 15 minutes or so to get there, depending on the traffic.

  • You can expect a trip time of about 40 minutes on public transport.

  • Have an early flight from Green Bay Airport to St Louis Airport? Avoid rushing to the airport (and get some extra shut-eye) by picking one of these stays close to GRB:

Arriving at St Louis Airport (STL)

Getting from St Louis Airport (STL) to central St Louis

  • STL is located at 10701 Lambert International Blvd..

  • From St Louis Airport, St Louis is approximately 24 kilometres away. It takes around 25 minutes to reach the centre driving.

  • If you're taking public transport, expect a journey time of roughly 30 minutes.

When to fly to St Louis Airport (STL)

  • The quietest month for a flight from Green Bay Airport to St Louis Airport is March, while July is the busiest. Choose the ideal time to visit St Louis based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in St Louis is July, with temperatures ranging between 17ºC and 33ºC. Lock in your flights from Green Bay Airport to St Louis Airport in this month if this is the type of weather you enjoy.

  • Look for cheap tickets from GRB to STL in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -7ºC and 8ºC on average.

Explore more of the United States

  • Chicago is just one of the many cities in the United States waiting to be explored once you've seen the sights of St Louis. Around 418 kilometres away to the north-east, its best attractions include Millennium Park, Art Institute of Chicago and Willis Tower.

  • If you want to check out another corner of the United States, head for Indianapolis, about 370 kilometres east of St Louis. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.