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

Currently priced at $242, Delta will fly you from Rochester, Minnesota to St. Louis and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $415. Delta is priced at 38% lower than the current average price of a flight leaving 3 months from now.

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

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

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

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to St. Louis. Check prices with Cheapflights to find a great deal for your trip.

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

The best pricing can be found in the month of November. Prices to St. Louis from Rochester, Minnesota average $392. You can even find prices in November for less than $392, as users have found deals to St. Louis from as low as $288. The month of July appears to be one of the more expensive times to travel to St. Louis from Rochester, Minnesota. Flying in the targeted month can save you up to 43%.

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

It’s optimal to fly from Rochester, Minnesota to St. Louis at noon. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight in the morning.

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.

$242+ Flights from Rochester, MN to St. Louis

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Cheap flight deals from Rochester to St. Louis

Round-trip from	$242 (Delta)
Popular in	July
Cheapest in	November

From Rochester to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($78 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).

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 June 12, 2025.

Sat 8/237:00 amRST - STL

1 stop3h 49mDelta

Sat 8/233:30 pmSTL - RST

1 stop5h 23mDelta

Deal found 6/10

$242

Wed 6/255:39 pmRST - STL

1 stop6h 15mAmerican Airlines

Sun 6/297:20 amSTL - RST

1 stop5h 34mAmerican Airlines

Deal found 6/10

$415

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 June 12, 2025.

Sat 8/237:00 amRST - STL

1 stop3h 49mDelta

Sat 8/233:30 pmSTL - RST

1 stop5h 23mDelta

Deal found 6/10

$242

Wed 6/255:39 pmRST - STL

1 stop6h 15mAmerican Airlines

Sun 6/297:20 amSTL - RST

1 stop5h 34mAmerican Airlines

Deal found 6/10

$415

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

Wed 6/255:39 pmRST - STL

1 stop6h 15mAmerican Airlines

Sun 6/297:20 amSTL - RST

1 stop5h 34mAmerican Airlines

Deal found 6/10

$415

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

RST - STL

RSTSTL

Rochester

Sat 8/23

7:00 am-10:49 am

1 stop3h 49m

Lambert-St Louis

Sat 8/23

3:30 pm-8:53 pm

1 stop5h 23m

$242

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Wed 6/25

5:39 pm-11:54 pm

1 stop6h 15m

Lambert-St Louis

Sun 6/29

7:20 am-12:54 pm

1 stop5h 34m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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

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

Currently, August is the cheapest month in which you can book a flight from Rochester, Minnesota to St. Louis (average of $311). Flying from Rochester, Minnesota 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.

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

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Rochester, Minnesota to St. Louis round-trip?
Currently priced at $242, Delta will fly you from Rochester, Minnesota to St. Louis and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $415. Delta is priced at 38% lower than the current average price of a flight leaving 3 months from now.
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, Minnesota to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Rochester, Minnesota to St. Louis (average of $311). Flying from Rochester, Minnesota 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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Eureka

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Farmington

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Top airline flying from Rochester to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$306	Average$379	FlexibilityNo cancel fee	On-time71%

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$242+ Cheap flights from Rochester, MN to St. Louis (RST - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/23. 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

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Rochester to St. Louis

Round-trip from

Popular in

Cheapest in

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 June 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 June 12, 2025.

Cheapflights Fare Finder

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

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

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

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, Minnesota to St. Louis round-trip?

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, Minnesota to St. Louis?

Traveling to a place near Rochester?

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Alternative routes for Rochester to St. Louis

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Top airline 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 June 12, 2025.