HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$103+ Cheap flights from Rochester, MN to St. Louis (RST - 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
RST — STL
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Rochester to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Rochester (RST) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 2, 2025.

Round-trip from

$206
(American Airlines)

One-way from

$103
(American Airlines)

Popular in

July

Cheapest in

November

Average price

$562
From Rochester to Lambert-St Louis
Search Deals
One-way flight 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
Average for round-trip flights in July 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 July 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/174:00 pmRST - STL
1 stop5h 53mAmerican Airlines
Wed 9/247:23 amSTL - RST
1 stop5h 07mAmerican Airlines
Deal found 7/1$206
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:00 amRST - STL
2 stops6h 20mDelta
Wed 9/246:40 amSTL - RST
2 stops10h 54mDelta
Deal found 7/1$358

Cheapflights Fare Finder

Customize your flight search to find flights from Rochester to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
Use the filters below to find and compare flights from Rochester to St. Louis that are best for you.

Fly from

Rochester

Fly to

St. Louis

Route

Depart

Return

Price

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Wed 9/17

4:00 pm-9:53 pm

1 stop5h 53m

Lambert-St Louis

Wed 9/24

7:23 am-12:30 pm

1 stop5h 07m

$206

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Wed 9/17

7:00 am-1:20 pm

2 stops6h 20m

Lambert-St Louis

Wed 9/24

6:40 am-5:34 pm

2 stops10h 54m

$358

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Mon 8/11

6:25 pm-11:51 pm

1 stop5h 26m

$103

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sun 8/10

7:00 am-1:21 pm

2 stops6h 21m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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.

How much does it cost to fly round-trip from Rochester, Minnesota to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated July 2, 2025.
Read through reviews of airlines operating flights from Rochester to St. Louis, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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

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?

    Currently priced at $206, American Airlines will fly you from Rochester, Minnesota to St. Louis and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $358. American Airlines is priced at 47% 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

Traveling to a place near Rochester?

Book flights to Rochester if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Festus
Chesterfield
Farmington

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Rochester to St. Louis

Discover the top airline that operate flights from Rochester to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$306Average$379FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.