What is the cheapest airline that flies from Rochester to Lambert-St Louis?

Delta and American Airlines are the most popular carriers operating from Rochester to Lambert-St Louis

What airlines fly to St. Louis?

Delta, Southwest and Sun Country Air are the top three most popular airlines that fly to St. Louis from Rochester, Minnesota according to our data. Delta is the first choice among our users, with 55% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 6 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

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?

As of September 2025, there is 1 operator available to choose from 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.

$162 Cheap Flights from Rochester to St. Louis in 2025/26

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Find the cheapest flights from Rochester, Minnesota to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

6:13 pm - 11:07 pmRST-STL

4h 54m1 stop

5:34 pm - 11:39 pmSTL-RST

6h 05m1 stop

$316Delta

Find Deal

Fri, Nov 7 - Mon, Nov 10

6:08 pm - 11:54 pmRST-STL

5h 46m1 stop

6:00 am - 12:15 pmSTL-RST

6h 15m1 stop

$320American Airlines

Find Deal

Sat, Oct 11 - Sat, Oct 18

12:40 pm - 10:04 pmRST-STL

9h 24m2 stops

6:00 am - 10:56 amSTL-RST

4h 56m1 stop

$326Delta

Find Deal

Sat, Oct 11 - Sat, Oct 18

6:13 pm - 11:07 pmRST-STL

4h 54m1 stop

2:36 pm - 11:39 pmSTL-RST

9h 03m2 stops

$363Delta

Find Deal

Fri, Nov 7 - Mon, Nov 10

12:46 pm - 11:58 pmRST-STL

11h 12m2 stops

7:23 am - 5:38 pmSTL-RST

10h 15m2 stops

$430American Airlines

Find Deal

Sat, Oct 11 - Sat, Oct 18

6:08 pm - 11:54 pmRST-STL

5h 46m1 stop

4:25 pm - 11:38 pmSTL-RST

7h 13m2 stops

$447American Airlines

Find Deal

Mon, Oct 13 - Mon, Oct 20

6:36 pm - 11:56 pmRST-STL

5h 20m1 stop

6:00 am - 11:17 amSTL-RST

5h 17m1 stop

$524American Airlines

Find Deal

Tue, Nov 25 - Sun, Nov 30

11:47 am - 12:05 amRST-STL

12h 18m2 stops

6:00 am - 11:17 amSTL-RST

5h 17m1 stop

$530American Airlines

Find Deal

Tue, Nov 25 - Sun, Nov 30

11:47 am - 12:05 amRST-STL

12h 18m2 stops

6:00 am - 11:17 amSTL-RST

5h 17m1 stop

$565American Airlines

Find Deal

Tue, Nov 25 - Sun, Nov 30

6:08 pm - 9:37 amRST-STL

15h 29m2 stops

9:14 am - 11:38 pmSTL-RST

14h 24m2 stops

$610American Airlines

Find Deal

Mon, Oct 13 - Mon, Oct 20

Delta flights from Rochester, Minnesota to St. Louis

Our best Delta deals on Rochester, Minnesota to St. Louis flight tickets

Delta

Nov 7

RST6:13 pmRochester

4h 54m

1 stop

STL11:07 pmLambert-St Louis

Nov 10

STL5:34 pmLambert-St Louis

6h 05m

1 stop

RST11:39 pmRochester

$316

Find similar

Delta

Oct 11

RST12:40 pmRochester

9h 24m

2 stops

STL10:04 pmLambert-St Louis

Oct 18

STL6:00 amLambert-St Louis

4h 56m

1 stop

RST10:56 amRochester

$326

Find similar

Delta

Nov 7

RST6:13 pmRochester

4h 54m

1 stop

STL11:07 pmLambert-St Louis

Nov 10

STL2:36 pmLambert-St Louis

9h 03m

2 stops

RST11:39 pmRochester

$363

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

Oct 11

RST6:08 pmRochester

5h 46m

1 stop

STL11:54 pmLambert-St Louis

Oct 18

STL6:00 amLambert-St Louis

6h 15m

1 stop

RST12:15 pmRochester

$320

Find similar

American Airlines

Oct 11

RST12:46 pmRochester

11h 12m

2 stops

STL11:58 pmLambert-St Louis

Oct 18

STL7:23 amLambert-St Louis

10h 15m

2 stops

RST5:38 pmRochester

$430

Find similar

American Airlines

Oct 13

RST6:08 pmRochester

5h 46m

1 stop

STL11:54 pmLambert-St Louis

Oct 20

STL4:25 pmLambert-St Louis

7h 13m

2 stops

RST11:38 pmRochester

$447

Find similar

momondo Fare Finder

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

Fri 11/7

6:13 pm-11:07 pm

1 stop4h 54m

Lambert-St Louis

Mon 11/10

5:34 pm-11:39 pm

1 stop6h 05m

$316

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sat 10/11

6:08 pm-11:54 pm

1 stop5h 46m

Lambert-St Louis

Sat 10/18

6:00 am-12:15 pm

1 stop6h 15m

$320

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sat 10/11

12:40 pm-10:04 pm

2 stops9h 24m

Lambert-St Louis

Sat 10/18

6:00 am-10:56 am

1 stop4h 56m

$326

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Fri 11/7

6:13 pm-11:07 pm

1 stop4h 54m

Lambert-St Louis

Mon 11/10

2:36 pm-11:39 pm

2 stops9h 03m

$363

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sat 10/11

12:46 pm-11:58 pm

2 stops11h 12m

Lambert-St Louis

Sat 10/18

7:23 am-5:38 pm

2 stops10h 15m

$430

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Mon 10/13

6:08 pm-11:54 pm

1 stop5h 46m

Lambert-St Louis

Mon 10/20

4:25 pm-11:38 pm

2 stops7h 13m

$447

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Tue 11/25

6:36 pm-11:56 pm

1 stop5h 20m

Lambert-St Louis

Sun 11/30

6:00 am-11:17 am

1 stop5h 17m

$524

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Tue 11/25

11:47 am-12:05 am

2 stops12h 18m

Lambert-St Louis

Sun 11/30

6:00 am-11:17 am

1 stop5h 17m

$530

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Tue 11/25

11:47 am-12:05 am

2 stops12h 18m

Lambert-St Louis

Sun 11/30

6:00 am-11:17 am

1 stop5h 17m

$565

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Mon 10/13

6:08 pm-9:37 am

2 stops15h 29m

Lambert-St Louis

Mon 10/20

9:14 am-11:38 pm

2 stops14h 24m

$610

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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

Prices

Airlines

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

Direct flights	None

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 26m.
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?
As of September 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Rochester, Minnesota to St. Louis is American Airlines (100% of total bookings).

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 Airlines	PriceFrom $276	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Florissant

Maryland Heights

O'Fallon

Fenton

Collinsville

Wentzville

Alton

St. Peters

Farmington

Festus

Glencoe

Clayton

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.