Cheap Flights from Rochester (ROC) to St. Louis (STL)

Popular airlines from Greater Rochester Intl. Airport (ROC) to Lambert-St. Louis International Airport (STL)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

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

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Rochester (ROC) to St. Louis (STL)

October is typically the cheapest month to fly

From CA $256 - CA $697 per traveller.

Graph displaying average flight prices per month

Flight from Rochester to St. Louis (ROC - STL) route information
Origin airport
Greater Rochester Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
1164 km

Rochester to St. Louis Flights

The easy way to book your flights from Rochester to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis from Rochester whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Lambert-St. Louis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Rochester to St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from Greater Rochester Intl., ROC to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from Rochester to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Rochester currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Louis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Louis from Rochester 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.

Frequently asked questions

How much is a flight from Greater Rochester Intl. Airport to Lambert Field?
Round-trip flights from ROC to STL start from . This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Greater Rochester Intl. Airport (ROC) to Lambert Field?
Most flights can be conveniently cancelled online, but whether you are charged a fee depends on your airline. If you do have to cancel your vacation, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Greater Rochester Intl. Airport (ROC) to Lambert-St. Louis Intl. Airport (STL) that have flexible change policies?
Select our "No change fees" filter to find flexible ticketing options for your flight from ROC to Lambert Field. This allows you to secure a fantastic price in advance and still have the freedom to reschedule without any additional fees. You'll just need to pay the fare difference, if applicable.
How many hours is the flight from Greater Rochester Intl. Airport (ROC) to Lambert-St. Louis Intl. Airport (STL)?
There are plenty of ways to make the 4 hours and 50 minutes between Greater Rochester Intl. Airport and STL go by quicker. If you want to be productive, sort through your camera roll or delete all those backed-up emails. A snooze also helps pass the time!
How far is the flight from ROC to Lambert-St. Louis Intl. Airport (STL)?
A flight distance of just 1,150 kilometres separates Rochester and St. Louis. Once you're up in the skies, you won't have time to do much more than read the magazine in your seat pocket.
Which airlines fly direct from ROC to Lambert-St. Louis Intl. Airport (STL)?
You won't find any airlines operating directly between Greater Rochester Intl. Airport and Lambert Field, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip!
Are Greater Rochester Intl. Airport to Lambert Field flight tickets cheaper when they're purchased at the last minute?
Flight tickets from ROC to Lambert-St. Louis Intl. Airport (STL) are available up to a year prior to departure on Expedia. And although you may pick up a great last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more choices — and you can avoid getting caught in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so keep checking in for all the latest specials.

Explore a world of travel with Expedia

*Available to Expedia members.