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Cheap flights from Rochester, Minnesota to St. Louis from $238

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rochester, Minnesota to St. Louis departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Rochester, Minnesota to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:45 am - 4:45 pmRST-STL
5h 00m1 stop
Delta Logo
6:10 am - 11:05 amSTL-RST
4h 55m1 stop
$238Delta
Find Deal
Thu, Jan 22 - Mon, Jan 26
Delta Logo
11:45 am - 8:43 pmRST-STL
8h 58m2 stops
Delta Logo
6:10 am - 11:05 amSTL-RST
4h 55m1 stop
$244Delta
Find Deal
Thu, Jan 22 - Sun, Jan 25
Delta Logo
11:45 am - 8:43 pmRST-STL
8h 58m2 stops
Delta Logo
6:00 am - 4:12 pmSTL-RST
10h 12m2 stops
$249Delta
Find Deal
Thu, Jan 22 - Sat, Jan 24
Delta Logo
6:36 pm - 10:16 pmRST-STL
3h 40m1 stop
Delta Logo
11:59 am - 5:56 pmSTL-RST
5h 57m1 stop
$253Delta
Find Deal
Fri, Dec 26 - Wed, Dec 31
American Airlines Logo
12:41 pm - 4:19 pmRST-STL
3h 38m1 stop
American Airlines Logo
5:15 am - 12:11 pmSTL-RST
6h 56m1 stop
$268American Airlines
Find Deal
Fri, Dec 12 - Tue, Dec 16
American Airlines Logo
6:39 pm - 11:59 pmRST-STL
5h 20m1 stop
American Airlines Logo
8:13 am - 5:34 pmSTL-RST
9h 21m2 stops
$274American Airlines
Find Deal
Fri, Dec 12 - Tue, Dec 16
American Airlines Logo
12:41 pm - 11:06 pmRST-STL
10h 25m2 stops
American Airlines Logo
10:13 am - 10:02 pmSTL-RST
11h 49m2 stops
$279American Airlines
Find Deal
Fri, Dec 12 - Tue, Dec 16
American Airlines Logo
6:15 pm - 11:44 pmRST-STL
5h 29m1 stop
American Airlines Logo
8:01 pm - 11:50 pmSTL-RST
3h 49m1 stop
$283American Airlines
Find Deal
Mon, Dec 29 - Thu, Jan 1
Delta Logo
6:36 pm - 10:16 pmRST-STL
3h 40m1 stop
Delta Logo
6:05 am - 12:06 pmSTL-RST
6h 01m1 stop
$287Delta
Find Deal
Sun, Dec 28 - Sun, Jan 4
American Airlines Logo
6:15 pm - 11:44 pmRST-STL
5h 29m1 stop
American Airlines Logo
5:00 am - 5:45 pmSTL-RST
12h 45m2 stops
$289American Airlines
Find Deal
Thu, Jan 1 - Fri, Jan 2

Delta flights from Rochester, Minnesota to St. Louis

Our best Delta deals on Rochester, Minnesota to St. Louis flight tickets
Delta
Jan 22
RST11:45 amRochester
5h 00m
1 stop
STL4:45 pmLambert-St Louis
Jan 26
STL6:10 amLambert-St Louis
4h 55m
1 stop
RST11:05 amRochester
$238
Find similar
Delta
Jan 22
RST11:45 amRochester
8h 58m
2 stops
STL8:43 pmLambert-St Louis
Jan 25
STL6:10 amLambert-St Louis
4h 55m
1 stop
RST11:05 amRochester
$244
Find similar
Delta
Jan 22
RST11:45 amRochester
8h 58m
2 stops
STL8:43 pmLambert-St Louis
Jan 24
STL6:00 amLambert-St Louis
10h 12m
2 stops
RST4:12 pmRochester
$249
Find similar

American Airlines flights from Rochester, Minnesota to St. Louis

Our best American Airlines deals on Rochester, Minnesota to St. Louis flight tickets
American Airlines
Dec 12
RST12:41 pmRochester
3h 38m
1 stop
STL4:19 pmLambert-St Louis
Dec 16
STL5:15 amLambert-St Louis
6h 56m
1 stop
RST12:11 pmRochester
$268
Find similar
American Airlines
Dec 12
RST6:39 pmRochester
5h 20m
1 stop
STL11:59 pmLambert-St Louis
Dec 16
STL8:13 amLambert-St Louis
9h 21m
2 stops
RST5:34 pmRochester
$274
Find similar
American Airlines
Dec 12
RST12:41 pmRochester
10h 25m
2 stops
STL11:06 pmLambert-St Louis
Dec 16
STL10:13 amLambert-St Louis
11h 49m
2 stops
RST10:02 pmRochester
$279
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rochester, Minnesota 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, momondo users made 832,500 searches. Data last updated November 29, 2025.
Use the filters below to find and compare flights from Rochester, Minnesota to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Thu 1/22

11:45 am-4:45 pm

1 stop5h 00m

Lambert-St Louis

Mon 1/26

6:10 am-11:05 am

1 stop4h 55m

$238

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Thu 1/22

11:45 am-8:43 pm

2 stops8h 58m

Lambert-St Louis

Sun 1/25

6:10 am-11:05 am

1 stop4h 55m

$244

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Thu 1/22

11:45 am-8:43 pm

2 stops8h 58m

Lambert-St Louis

Sat 1/24

6:00 am-4:12 pm

2 stops10h 12m

$249

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Fri 12/26

6:36 pm-10:16 pm

1 stop3h 40m

Lambert-St Louis

Wed 12/31

11:59 am-5:56 pm

1 stop5h 57m

$253

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Fri 12/12

12:41 pm-4:19 pm

1 stop3h 38m

Lambert-St Louis

Tue 12/16

5:15 am-12:11 pm

1 stop6h 56m

$268

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Fri 12/12

6:39 pm-11:59 pm

1 stop5h 20m

Lambert-St Louis

Tue 12/16

8:13 am-5:34 pm

2 stops9h 21m

$274

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Fri 12/12

12:41 pm-11:06 pm

2 stops10h 25m

Lambert-St Louis

Tue 12/16

10:13 am-10:02 pm

2 stops11h 49m

$279

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Mon 12/29

6:15 pm-11:44 pm

1 stop5h 29m

Lambert-St Louis

Thu 1/1

8:01 pm-11:50 pm

1 stop3h 49m

$283

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sun 12/28

6:36 pm-10:16 pm

1 stop3h 40m

Lambert-St Louis

Sun 1/4

6:05 am-12:06 pm

1 stop6h 01m

$287

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Thu 1/1

6:15 pm-11:44 pm

1 stop5h 29m

Lambert-St Louis

Fri 1/2

5:00 am-5:45 pm

2 stops12h 45m

$289

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Rochester, Minnesota to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Rochester, Minnesota and St. Louis?

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $308. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $513. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Rochester, Minnesota in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $373 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $386 per ticket.

When to book flights from Rochester, Minnesota to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Rochester, Minnesota to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rochester, Minnesota to St. Louis (RST to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rochester, Minnesota to St. Louis

Fastest flight time

4h 52m

Direct flights

None
The fastest flight from Rochester, Minnesota to St. Louis takes 4h 52m
There are no direct flights from Rochester, Minnesota to St. Louis. There are no popular flight routes from Rochester, Minnesota to St. Louis.
Search flight deals

  • How far is Rochester to Lambert-St Louis by plane?

    There are 389.9 mi between Rochester and Lambert-St Louis. In terms of flight time, this usually takes a little over 3h 38m.

  • When did momondo last update prices for flights from Rochester Airport to Lambert-St Louis Airport?

    Prices for flights from Rochester Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Rochester Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Rochester Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rochester Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Rochester, Minnesota to St. Louis?

Best airlines flying from Rochester, Minnesota to St. Louis

Compare and see reviews for airlines that fly from Rochester, Minnesota to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $276Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Clayton
Festus
Glencoe
Edwardsville
Eureka
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Rochester to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Rochester to St. Louis for you.

Can I find flights from Rochester to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Rochester on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rochester to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Rochester. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Rochester to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Rochester. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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