How long is the flight from Rochester to St. Louis?

A quick flight from Rochester to St. Louis can take about 4h 50m. Southwest provides one of the quickest options available for as low as $325. There are 727 mi between Rochester and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

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

Flying on United Airlines is currently your cheapest option to St. Louis, with prices starting at $208. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $236 and $256, respectively. Users have found that United Airlines is 45% cheaper than the other options available to this destination.

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

The cheapest airlines for a one-way flight from Rochester to St. Louis are American Airlines ($143), Delta ($143), and United Airlines ($155).

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.

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).

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

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

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

Most trusted provider : When it comes to deals on Rochester-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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-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.

$100+ Flights from Rochester to St. Louis

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Find cheap flights from Rochester to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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 Greater Rochester Intl to Lambert-St Louis are usually found in September or March, booked 63 days in advance, depart on a Saturday or Thursday and return on a Monday

Cheap 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 December 12, 2025.

Sat 12/276:00 amROC - STL

1 stop7h 27mUnited Airlines

Wed 12/318:05 amSTL - ROC

1 stop7h 15mUnited Airlines

Deal found 12/11

$351

Sat 12/206:15 amROC - STL

1 stop4h 09mDelta

Sat 1/105:00 pmSTL - ROC

1 stop5h 57mDelta

Deal found 12/10

$435

Wed 12/176:00 amROC - STL

1 stop7h 57mDelta

Fri 1/96:00 amSTL - ROC

1 stop5h 04mDelta

Deal found 12/10

$470

Sat 12/205:21 pmROC - STL

1 stop6h 22mUnited Airlines

Sat 1/108:05 amSTL - ROC

2 stops10h 01mUnited Airlines

Deal found 12/10

$475

Wed 12/1712:40 pmROC - STL

2 stops9h 20mSouthwest

Fri 1/96:50 amSTL - ROC

1 stop7h 10mSouthwest

Deal found 12/10

$485

Sat 12/274:51 pmROC - STL

2 stops8h 05mAmerican Airlines

Wed 12/316:00 amSTL - ROC

2 stops9h 19mAmerican Airlines

Deal found 12/11

$1,018

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 December 12, 2025.

Wed 1/75:20 amROC - STL

1 stop5h 05mSouthwest

Wed 1/146:50 amSTL - ROC

1 stop7h 10mSouthwest

Deal found 12/10

$297

Mon 2/26:11 pmROC - STL

1 stop6h 26mDelta

Wed 2/45:32 pmSTL - ROC

1 stop4h 41mDelta

Deal found 12/10

$311

Sat 1/175:23 pmROC - STL

1 stop4h 50mUnited Airlines

Tue 1/206:30 amSTL - ROC

1 stop6h 09mUnited Airlines

Deal found 12/9

$325

Sun 2/225:42 pmROC - STL

1 stop4h 01mDelta

Wed 2/256:30 amSTL - ROC

1 stop4h 34mDelta

Deal found 12/10

$332

Tue 2/102:20 pmROC - STL

2 stops9h 38mUnited Airlines

Thu 2/127:00 amSTL - ROC

1 stop4h 52mUnited Airlines

Deal found 12/10

$337

Sat 12/276:00 amROC - STL

1 stop7h 27mUnited Airlines

Wed 12/318:05 amSTL - ROC

1 stop7h 15mUnited Airlines

Deal found 12/11

$351

Last-minute flights from Rochester to St. Louis
Discover last-minute flight deals from Rochester to St. Louis. Data last updated December 12, 2025 and is based on user searches.

Wed 12/176:00 amROC - STL

1 stop7h 57mDelta

Fri 1/96:00 amSTL - ROC

1 stop5h 04mDelta

Deal found 12/10

$470

Sat 12/207:13 pmROC - STL

1 stop5h 29mDelta

Sat 1/106:00 amSTL - ROC

1 stop5h 17mDelta

Deal found 12/11

$435

Sat 12/205:21 pmROC - STL

1 stop6h 22mUnited Airlines

Sat 1/108:05 amSTL - ROC

2 stops10h 01mUnited Airlines

Deal found 12/10

$475

Sat 12/276:00 amROC - STL

1 stop7h 27mUnited Airlines

Wed 12/318:05 amSTL - ROC

1 stop7h 15mUnited Airlines

Deal found 12/11

$351

Wed 1/75:20 amROC - STL

1 stop5h 05mSouthwest

Wed 1/146:50 amSTL - ROC

1 stop7h 10mSouthwest

Deal found 12/10

$297

Sat 1/175:23 pmROC - STL

1 stop4h 50mUnited Airlines

Tue 1/206:30 amSTL - ROC

1 stop6h 09mUnited Airlines

Deal found 12/9

$325

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 December 12, 2025.

Mon 1/266:50 pmROC - STL

2 stops37h 01mMultiple Airlines

Deal found 12/11

$100

Mon 1/266:00 amROC - STL

1 stop5h 20mAmerican Airlines

Deal found 12/11

$163

Thu 3/266:13 pmROC - STL

1 stop6h 29mDelta

Deal found 12/11

$184

Thu 3/267:00 amROC - STL

1 stop5h 29mAmerican Airlines

Deal found 12/11

$221

Wed 12/1711:40 amROC - STL

2 stops24h 16mMultiple Airlines

Deal found 12/10

$249

Wed 12/175:44 pmROC - STL

1 stop4h 03mDelta

Deal found 12/10

$287

Sun 12/287:18 pmROC - STL

1 stop5h 26mAmerican Airlines

Deal found 12/11

$330

Thu 3/266:00 amROC - STL

2 stops9h 42mUnited Airlines

Deal found 12/11

$420

Sun 12/286:00 amROC - STL

2 stops17h 43mUnited Airlines

Deal found 12/10

$593

Find flight deals from Rochester to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$297 (Southwest)
One-way from	$100 (Kiwi.com)
Popular in	November
Cheapest in	September
Average price	$421

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

Search Deals

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

Search Deals

From Greater Rochester Intl to Lambert-St Louis

Search Deals

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

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Greater Rochester Intl

Wed 1/7

5:20 am-9:25 am

1 stop5h 05m

Lambert-St Louis

Wed 1/14

6:50 am-3:00 pm

1 stop7h 10m

$297

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Mon 2/2

6:11 pm-11:37 pm

1 stop6h 26m

Lambert-St Louis

Wed 2/4

5:32 pm-11:13 pm

1 stop4h 41m

$311

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Sat 1/17

5:23 pm-9:13 pm

1 stop4h 50m

Lambert-St Louis

Tue 1/20

6:30 am-1:39 pm

1 stop6h 09m

$325

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Sun 2/22

5:42 pm-8:43 pm

1 stop4h 01m

Lambert-St Louis

Wed 2/25

6:30 am-12:04 pm

1 stop4h 34m

$332

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Tue 2/10

2:20 pm-10:58 pm

2 stops9h 38m

Lambert-St Louis

Thu 2/12

7:00 am-12:52 pm

1 stop4h 52m

$337

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Sat 12/27

6:00 am-12:27 pm

1 stop7h 27m

Lambert-St Louis

Wed 12/31

8:05 am-4:20 pm

1 stop7h 15m

$351

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Mon 1/26

6:50 pm-6:51 am

2 stops37h 01m

$100

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Mon 1/26

6:00 am-10:20 am

1 stop5h 20m

$163

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Thu 3/26

6:13 pm-11:42 pm

1 stop6h 29m

$184

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Thu 3/26

7:00 am-11:29 am

1 stop5h 29m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 14 results

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
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-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rochester-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rochester-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Rochester-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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-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 to St. Louis?

The price you pay for your flight from Rochester to St. Louis may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Rochester to St. Louis (average of $112). Flying from Rochester to St. Louis in May is currently the most expensive (average of $248). 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 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 evening could potentially save you up to 41% on airfare.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Southwest, Delta, and United Airlines from Rochester to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,095 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,050 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Rochester to St. Louis?
A quick flight from Rochester to St. Louis can take about 4h 50m. Southwest provides one of the quickest options available for as low as $325. There are 727 mi between Rochester and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Rochester to St. Louis round-trip?
Flying on United Airlines is currently your cheapest option to St. Louis, with prices starting at $208. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $236 and $256, respectively. Users have found that United Airlines is 45% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Rochester to St. Louis one-way?
The cheapest airlines for a one-way flight from Rochester to St. Louis are American Airlines ($143), Delta ($143), and United Airlines ($155).
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 to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Rochester to St. Louis (average of $112). Flying from Rochester to St. Louis in May is currently the most expensive (average of $248). 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$236	Average$379	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$256	Average$362	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$286	Average$386	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$291	Average$376	FlexibilityNo cancel fee	On-time69%

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$100+ Cheap flights from Rochester 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 1/26. 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 Greater Rochester Intl to Lambert-St Louis are usually found in September or March, booked 63 days in advance, depart on a Saturday or Thursday and return on a Monday

Cheap 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 December 12, 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 December 12, 2025.

Find 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

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 December.

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 to St. Louis?

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

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

Reviews of airlines servicing St. Louis

See what other customers who have flown with Southwest, Delta, and United Airlines from Rochester to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

How long is the flight from Rochester to St. Louis?

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

What are the cheapest airlines to fly from Rochester 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 to St. Louis?

Traveling to a place near St. Louis?

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Alternative routes for Rochester to St. Louis

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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 December 12, 2025.