What are the cheapest airlines flying from Rochester, New York to St. Louis round-trip?

Currently priced at $283, American Airlines will fly you from Rochester, New York to St. Louis and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $337 and $383, respectively. These flights start at 30% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Rochester, New York to St. Louis one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $144. However, be on the lookout for offers from United Airlines and Southwest, as they are both options that can get you from Rochester, New York to St. Louis for a low price.

What is the cheapest day to fly from Rochester, New York to St. Louis?

Travelers seeking maximum savings on their Rochester, New York to St. Louis flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Rochester, New York to St. Louis?

American Airlines, Delta and United Airlines are the most popular airlines when flying from Rochester, New York to St. Louis.

What is the cheapest day to fly round-trip from Rochester, New York to St. Louis?

Friday is generally a great day to depart. Flying on this day could help you save up to 28%.

How far in advance should I book a flight from Rochester, New York to St. Louis?

Find a great deal and save up to 198% by booking at least 20 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Rochester, New York to St. Louis within the next two weeks, with the cheapest ticket starting at $441.

What is the cheapest month to fly from Rochester, New York to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in May. For low rates, March can be a great choice for travel to St. Louis. Flights to St. Louis from Rochester, New York in March are about $405 on average during March, but can be found for as low as $286.

Most accurate provider : When it comes to deals on Rochester, New York-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rochester, New York-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rochester, New York-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Rochester, New York-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rochester, New York-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Rochester to St. Louis that include hotel bookings?

Yes. In addition to deals on Rochester to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Rochester to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rochester to St. Louis.

Can I find deals for business class flights from Rochester to St. Louis?

Yes. Cheapflights offers flight deals from Rochester to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$144+ Save on Flights from Rochester, NY to St. Louis

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1. Tell us where you want to go

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2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Rochester Greater Rochester Intl to Lambert-St Louis are usually found in March or February, booked 20 days in advance, depart on a Saturday or Thursday and return on a Monday

Cheap flight deals from Rochester to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$283 (American Airlines)
One-way from	$144 (American Airlines)
Popular in	May
Cheapest in	March
Average price	$346

Provider with most accurate pricing for Rochester Greater Rochester Intl-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Rochester Greater Rochester Intl-Lambert-St Louis flights.

Search Deals

From Rochester Greater Rochester Intl to Lambert-St Louis

Search Deals

One-way flight from Rochester Greater Rochester Intl to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from Rochester to St. Louis

Cheapest flights from Rochester to St. Louis
Explore the most affordable flight options available from Rochester to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Thu 4/243:00 pmROC - STL

1 stop9h 33mAmerican Airlines

Mon 4/285:45 amSTL - ROC

1 stop7h 43mAmerican Airlines

Deal found 3/24

$283

Wed 9/2412:30 pmROC - STL

1 stop6h 25mDelta

Sat 9/2711:51 amSTL - ROC

1 stop4h 43mDelta

Deal found 3/23

$287

Wed 9/246:00 amROC - STL

2 stops9h 33mUnited Airlines

Sat 9/273:15 pmSTL - ROC

1 stop4h 53mUnited Airlines

Deal found 3/23

$292

Wed 9/2412:50 pmROC - STL

2 stops8h 10mSouthwest

Sat 9/277:20 amSTL - ROC

2 stops6h 40mSouthwest

Deal found 3/23

$353

Best flights from Rochester to St. Louis
Discover carefully curated flight deals from Rochester to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Thu 4/243:00 pmROC - STL

1 stop9h 33mAmerican Airlines

Mon 4/285:45 amSTL - ROC

1 stop7h 43mAmerican Airlines

Deal found 3/24

$283

Fri 4/256:01 pmROC - STL

1 stop4h 35mDelta

Sun 4/276:00 amSTL - ROC

1 stop5h 06mDelta

Deal found 3/23

$337

Tue 4/810:50 amROC - STL

1 stop4h 52mUnited Airlines

Sat 4/121:12 pmSTL - ROC

1 stop6h 54mUnited Airlines

Deal found 3/24

$383

Fri 8/157:50 amROC - STL

1 stop6h 05mSouthwest

Mon 8/182:45 pmSTL - ROC

2 stops7h 10mSouthwest

Deal found 3/23

$392

Last-minute flights from Rochester to St. Louis
Discover last-minute flight deals from Rochester to St. Louis. Data last updated March 25, 2025 and is based on user searches.

Mon 3/245:40 pmROC - STL

1 stop4h 20mSouthwest

Tue 4/15:25 amSTL - ROC

1 stop6h 35mSouthwest

Deal found 3/24

$512

Tue 4/810:50 amROC - STL

1 stop4h 52mUnited Airlines

Sat 4/121:12 pmSTL - ROC

1 stop6h 54mUnited Airlines

Deal found 3/24

$383

Thu 4/243:00 pmROC - STL

1 stop9h 33mAmerican Airlines

Mon 4/285:45 amSTL - ROC

1 stop7h 43mAmerican Airlines

Deal found 3/24

$283

Fri 4/256:01 pmROC - STL

1 stop4h 35mDelta

Sun 4/276:00 amSTL - ROC

1 stop5h 06mDelta

Deal found 3/23

$337

One-way flights from Rochester to St. Louis
Search for one-way flight options from Rochester to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Tue 7/87:25 pmROC - STL

1 stop5h 34mAmerican Airlines

Deal found 3/23

$144

Fri 6/275:51 pmROC - STL

1 stop5h 54mUnited Airlines

Deal found 3/23

$174

Thu 7/105:50 pmROC - STL

2 stops6h 55mSouthwest

Deal found 3/23

$199

Cheapflights Fare Finder

Use the filters below to find and compare flights from Rochester to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

Thu 4/24

3:00 pm-11:33 pm

1 stop9h 33m

Lambert-St Louis

Mon 4/28

5:45 am-2:28 pm

1 stop7h 43m

$283

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

Fri 4/25

6:01 pm-9:36 pm

1 stop4h 35m

Lambert-St Louis

Sun 4/27

6:00 am-12:06 pm

1 stop5h 06m

$337

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

Tue 4/8

10:50 am-2:42 pm

1 stop4h 52m

Lambert-St Louis

Sat 4/12

1:12 pm-9:06 pm

1 stop6h 54m

$383

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

Fri 8/15

7:50 am-12:55 pm

1 stop6h 05m

Lambert-St Louis

Mon 8/18

2:45 pm-10:55 pm

2 stops7h 10m

$392

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

Tue 7/8

7:25 pm-11:59 pm

1 stop5h 34m

$144

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

Fri 6/27

5:51 pm-10:45 pm

1 stop5h 54m

$174

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

Thu 7/10

5:50 pm-11:45 pm

2 stops6h 55m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Compare providers for flights from Rochester to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rochester to St. Louis in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Rochester, New York-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rochester, New York-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rochester, New York-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Rochester, New York-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rochester, New York-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rochester to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Rochester with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rochester to St. Louis

How far ahead should I book a flight from Rochester, New York to St. Louis?

Booking 19 days in advance of your planned departure date is, on average, the best time to get cheap flights from Rochester, New York to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Rochester, New York to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Rochester, New York to St. Louis (average of $311). Flying from Rochester, New York to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ROC to STL?

One of the essential ways to save on airfare from Rochester, New York to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 20% on airfare.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,272 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,890 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,605 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,272 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What are the cheapest airlines flying from Rochester, New York to St. Louis round-trip?
Currently priced at $283, American Airlines will fly you from Rochester, New York to St. Louis and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $337 and $383, respectively. These flights start at 30% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Rochester, New York to St. Louis one-way?
The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $144. However, be on the lookout for offers from United Airlines and Southwest, as they are both options that can get you from Rochester, New York to St. Louis for a low price.
Can I find deals for flights from Rochester to St. Louis that include hotel bookings?
Yes. In addition to deals on Rochester to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Rochester to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rochester to St. Louis.
Can I find deals for business class flights from Rochester to St. Louis?
Yes. Cheapflights offers flight deals from Rochester to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Rochester, New York to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Rochester, New York to St. Louis (average of $311). Flying from Rochester, New York to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to St. Louis

Top 4 airlines flying from Rochester to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$272	Average$394	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$286	Average$426	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$296	Average$402	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$356	Average$416	FlexibilityNo cancel fee	On-time63%

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$144+ Cheap flights from Rochester, NY to St. Louis (ROC - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rochester to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Rochester Greater Rochester Intl to Lambert-St Louis are usually found in March or February, booked 20 days in advance, depart on a Saturday or Thursday and return on a Monday

Cheap flight deals from Rochester to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Rochester to St. Louis

Cheapest flights from Rochester to St. LouisExplore the most affordable flight options available from Rochester to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Explore the most affordable flight options available from Rochester to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Rochester to St. Louis that are best for you.

Compare providers for flights from Rochester to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rochester to St. Louis in March.

Best time to book a flight from Rochester to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Rochester with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Rochester to St. Louis

How far ahead should I book a flight from Rochester, New York to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Rochester to St. Louis. Price data was last updated on March 21, 2025.

What is the cheapest month to book a flight from Rochester, New York to St. Louis?

What is the cheapest time of day to fly from ROC to STL?

Find hourly flight availability from Rochester to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Related info for your journey

Find useful and relevant information for your journey from Rochester to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Rochester, New York to St. Louis round-trip?

What are the cheapest airlines to fly from Rochester, New York to St. Louis one-way?

Can I find deals for flights from Rochester to St. Louis that include hotel bookings?

How can I find direct flights from Rochester to St. Louis?

Can I find deals for business class flights from Rochester to St. Louis?

What is the cheapest month to book a flight from Rochester, New York to St. Louis?

Traveling to a place near Rochester?

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Top 4 airlines flying from Rochester to St. Louis

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Cheapest flights from Rochester to St. Louis
Explore the most affordable flight options available from Rochester to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.