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CA $262 Cheap Flights from Rochester (ROC) to St. Louis (STL)

View CA $262 flight on Tue, Aug 25, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at CA $262 for one-way flights and CA $478 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 26 - Sat, Sep 5
ROC
Rochester
STL
St. Louis
CA $478 Roundtrip, found 5 days ago
CA $478
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 26 from Rochester to St. Louis, returning Sat, Sep 5, priced at CA $478 found 5 days ago
Delta
Wed, Aug 26 - Sat, Aug 29
ROC
Rochester
STL
St. Louis
CA $525 Roundtrip, found 5 days ago
CA $525
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 26 from Rochester to St. Louis, returning Sat, Aug 29, priced at CA $525 found 5 days ago
Delta
Sun, Aug 23 - Sat, Sep 5
ROC
Rochester
STL
St. Louis
CA $550 Roundtrip, found 5 days ago
CA $550
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Aug 23 from Rochester to St. Louis, returning Sat, Sep 5, priced at CA $550 found 5 days ago
Delta
Wed, Aug 26 - Sun, Aug 30
ROC
Rochester
STL
St. Louis
CA $555 Roundtrip, found 5 days ago
CA $555
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 26 from Rochester to St. Louis, returning Sun, Aug 30, priced at CA $555 found 5 days ago
American Airlines
Wed, Aug 26 - Thu, Aug 27
ROC
Rochester
STL
St. Louis
CA $597 Roundtrip, found 5 days ago
CA $597
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Aug 26 from Rochester to St. Louis, returning Thu, Aug 27, priced at CA $597 found 5 days ago
Delta
Sun, Aug 23 - Sun, Aug 30
ROC
Rochester
STL
St. Louis
CA $626 Roundtrip, found 5 days ago
CA $626
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Aug 23 from Rochester to St. Louis, returning Sun, Aug 30, priced at CA $626 found 5 days ago
Delta
Wed, Aug 26 - Thu, Aug 27
ROC
Rochester
STL
St. Louis
CA $640 Roundtrip, found 5 days ago
CA $640
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 26 from Rochester to St. Louis, returning Thu, Aug 27, priced at CA $640 found 5 days ago
Delta
Wed, Aug 26 - Thu, Aug 27
ROC
Rochester
STL
St. Louis
CA $652 Roundtrip, found 5 days ago
CA $652
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 26 from Rochester to St. Louis, returning Thu, Aug 27, priced at CA $652 found 5 days ago
United
Wed, Aug 26 - Thu, Aug 27
ROC
Rochester
STL
St. Louis
CA $660 Roundtrip, found 5 days ago
CA $660
Roundtrip
found 5 days ago
Select United flight, departing Wed, Aug 26 from Rochester to St. Louis, returning Thu, Aug 27, priced at CA $660 found 5 days ago
American Airlines
Mon, Aug 24 - Sat, Sep 5
ROC
Rochester
STL
St. Louis
CA $662 Roundtrip, found 5 days ago
CA $662
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Aug 24 from Rochester to St. Louis, returning Sat, Sep 5, priced at CA $662 found 5 days ago

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from CA $550
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $550

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

November is typically the cheapest month to fly

From CA $326 - CA $626 per traveller.

Frequently asked questions

How much does a flight from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find one-way and return flights from ROC to STL with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ROC to STL ticket fares go up or down.
What is the cheapest month to fly from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you're looking for the cheapest time to fly from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), September is typically your best bet. You can expect average return flights to be around CA$453 during this month. Other budget-friendly months for this route include May and June.
Which airlines fly direct from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter ROC to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting return flights from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), with prices starting from around CA$382 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Southwest Airlines typically includes a layover in Baltimore Washington Intl. Thurgood Marshall (BWI). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you're looking for the best value on a return flight from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), September and May are typically the cheapest months, with average prices around CA$453. August is the most popular month for travel on this route, meaning you'll find plenty of flight options, though prices might be higher. For the best balance of good fares and flight availability, consider flying in September or May.
How many flights per day from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are approximately 43 connecting flights per day from Greater Rochester Intl. (ROC) to Lambert-St. Louis Intl. (STL). Some common connection points include Baltimore Washington Intl. Thurgood Marshall (BWI), O'Hare Intl. (ORD), and Washington Dulles Intl. (IAD).
What is the earliest flight from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically departs around 5:00 AM local time. This flight is operated by American Airlines. This is a seasonal service active in May, June, July, and August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You'll generally find the most flights from Greater Rochester Intl. (ROC) to Lambert-St. Louis Intl. (STL) on a Friday, with around 33 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, United, and Delta. Fridays offer notably more flight options compared to other days of the week, making it a popular choice for travellers.
What are the most popular departure times for flights from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) are in the morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and Southwest Airlines, offer flights during this window. Many travelers prefer this because it allows for an early start to their travel day, often leading to an earlier arrival at their destination.
How long does it take to fly from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are no nonstop flights from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.). The shortest flights typically involve one stop, taking around 4 hours 48 minutes. Flights with two or more stops usually take longer, with a typical travel time of about 9 hours 30 minutes. The distance between these two cities is approximately 1,171 kilometres. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Yes, you can fly business class or first class between ROC and STL. You can fly business class with Delta.First class cabins are available on Delta, United, and American Airlines.
How do I earn miles on a Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis, MO (STL) from Rochester, NY (ROC)?
If you're planning to travel to St. Louis from Greater Rochester Intl. (ROC), you can fly directly into Lambert-St. Louis Intl. (STL). Some flights may connect through major hubs like Baltimore Washington Intl. Thurgood Marshall (BWI), Midway Intl. (MDW), or Washington Dulles Intl. (IAD) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Rochester, NY (ROC-Greater Rochester Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Greater Rochester Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
CA $478
Distance
1164 km

Book with confidence

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 20 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 CA $478 rising to CA $662.  

Here are more money-saving tips: 

  • Fly in August 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.

Rochester to St. Louis Flights

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