What airlines fly to St. Louis?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to St. Louis from Rochester according to our data. Delta is the first choice among our users, with 45% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from Greater Rochester Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.

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

As of January 2026, there are 4 operators available to choose from for flights from Greater Rochester Intl Airport to Lambert-St Louis Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Greater Rochester Intl Airport to Lambert-St Louis Airport.

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

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$133 Cheap Flights from Rochester to St. Louis in 2026

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:30 am - 2:30 pm

ROC

STL

5h 00m1 stop

8:30 am - 2:13 pm

STL

ROC

4h 43m1 stop

$223United Airlines

Wed, Feb 4 - Wed, Feb 11

2:20 pm - 10:58 pm

ROC

STL

9h 38m2 stops

7:00 am - 12:43 pm

STL

ROC

4h 43m1 stop

$228United Airlines

Wed, Feb 4 - Wed, Feb 11

6:13 pm - 11:36 pm

ROC

STL

6h 23m1 stop

5:50 pm - 10:55 pm

STL

ROC

4h 05m1 stop

$281Delta

Wed, Feb 18 - Sat, Feb 21

6:10 am - 11:15 am

ROC

STL

6h 05m1 stop

9:25 am - 1:45 pm

STL

ROC

3h 20m1 stop

$291Southwest

Wed, Feb 25 - Sun, Mar 1

6:10 am - 9:32 am

ROC

STL

4h 22m1 stop

11:55 am - 5:16 pm

STL

ROC

4h 21m1 stop

$295Delta

Sun, Feb 22 - Wed, Feb 25

2:24 pm - 9:40 pm

ROC

STL

8h 16m2 stops

7:41 am - 1:43 pm

STL

ROC

5h 02m1 stop

$300United Airlines

Wed, Feb 25 - Sun, Mar 1

2:20 pm - 10:58 pm

ROC

STL

9h 38m2 stops

9:57 am - 10:53 pm

STL

ROC

11h 56m2 stops

$304United Airlines

Wed, Feb 4 - Wed, Feb 11

12:40 pm - 6:45 pm

ROC

STL

7h 05m2 stops

4:55 pm - 11:55 pm

STL

ROC

6h 00m2 stops

$306Southwest

Tue, Mar 3 - Fri, Mar 6

7:00 am - 11:29 am

ROC

STL

5h 29m1 stop

6:06 am - 11:48 am

STL

ROC

4h 42m1 stop

$312American Airlines

Tue, Feb 17 - Fri, Feb 20

1:01 pm - 5:50 pm

ROC

STL

5h 49m1 stop

5:32 pm - 11:13 pm

STL

ROC

4h 41m1 stop

$315Delta

Mon, Jan 26 - Wed, Jan 28

American Airlines flights from Rochester to St. Louis

Our best American Airlines deals on Rochester to St. Louis flight tickets

American Airlines

Feb 17

ROC7:00 amGreater Rochester Intl

5h 29m

1 stop

STL11:29 amLambert-St Louis

Feb 20

STL6:06 amLambert-St Louis

4h 42m

1 stop

ROC11:48 amGreater Rochester Intl

$312

American Airlines

Feb 17

ROC12:10 pmGreater Rochester Intl

7h 42m

2 stops

STL6:52 pmLambert-St Louis

Feb 20

STL6:06 amLambert-St Louis

4h 42m

1 stop

ROC11:48 amGreater Rochester Intl

$317

American Airlines

Mar 12

ROC8:00 amGreater Rochester Intl

5h 44m

1 stop

STL12:44 pmLambert-St Louis

Mar 13

STL6:00 amLambert-St Louis

4h 48m

1 stop

ROC11:48 amGreater Rochester Intl

$348

United Airlines flights from Rochester to St. Louis

Our best United Airlines deals on Rochester to St. Louis flight tickets

United Airlines

Feb 4

ROC10:30 amGreater Rochester Intl

5h 00m

1 stop

STL2:30 pmLambert-St Louis

Feb 11

STL8:30 amLambert-St Louis

4h 43m

1 stop

ROC2:13 pmGreater Rochester Intl

$223

United Airlines

Feb 4

ROC2:20 pmGreater Rochester Intl

9h 38m

2 stops

STL10:58 pmLambert-St Louis

Feb 11

STL7:00 amLambert-St Louis

4h 43m

1 stop

ROC12:43 pmGreater Rochester Intl

$228

United Airlines

Feb 25

ROC2:24 pmGreater Rochester Intl

8h 16m

2 stops

STL9:40 pmLambert-St Louis

Mar 1

STL7:41 amLambert-St Louis

5h 02m

1 stop

ROC1:43 pmGreater Rochester Intl

$300

Fly from

Fly to

Route

Depart

Return

Price

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Wed 2/4

10:30 am-2:30 pm

1 stop5h 00m

Lambert-St Louis

Wed 2/11

8:30 am-2:13 pm

1 stop4h 43m

$223

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Wed 2/4

2:20 pm-10:58 pm

2 stops9h 38m

Lambert-St Louis

Wed 2/11

7:00 am-12:43 pm

1 stop4h 43m

$228

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Wed 2/18

6:13 pm-11:36 pm

1 stop6h 23m

Lambert-St Louis

Sat 2/21

5:50 pm-10:55 pm

1 stop4h 05m

$281

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Wed 2/25

6:10 am-11:15 am

1 stop6h 05m

Lambert-St Louis

Sun 3/1

9:25 am-1:45 pm

1 stop3h 20m

$291

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Sun 2/22

6:10 am-9:32 am

1 stop4h 22m

Lambert-St Louis

Wed 2/25

11:55 am-5:16 pm

1 stop4h 21m

$295

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Wed 2/25

2:24 pm-9:40 pm

2 stops8h 16m

Lambert-St Louis

Sun 3/1

7:41 am-1:43 pm

1 stop5h 02m

$300

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Wed 2/4

2:20 pm-10:58 pm

2 stops9h 38m

Lambert-St Louis

Wed 2/11

9:57 am-10:53 pm

2 stops11h 56m

$304

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Tue 3/3

12:40 pm-6:45 pm

2 stops7h 05m

Lambert-St Louis

Fri 3/6

4:55 pm-11:55 pm

2 stops6h 00m

$306

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Tue 2/17

7:00 am-11:29 am

1 stop5h 29m

Lambert-St Louis

Fri 2/20

6:06 am-11:48 am

1 stop4h 42m

$312

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Mon 1/26

1:01 pm-5:50 pm

1 stop5h 49m

Lambert-St Louis

Wed 1/28

5:32 pm-11:13 pm

1 stop4h 41m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Rochester 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 month to fly to St. Louis?

In general, September is the cheapest month to fly from Rochester to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $291. The month of March is another great option to travel to St. Louis, with average flight prices from Rochester averaging around $349.

How have Rochester to St. Louis flight prices changed over time?

As of January 2026, prices for Rochester to St. Louis flights are approximately 52% cheaper when compared to flights at the same time last year.

When to book flights from Rochester to St. Louis

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

Estimated round-trip price

Cheap Rochester to St. Louis (ROC to STL) flight deals and tips

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

Fastest flight time	3h 49m
Direct flights	None

The fastest flight from Rochester to St. Louis takes 3h 49m

There are no direct flights from Rochester to St. Louis. There are no popular flight routes from Rochester to St. Louis.

Search flight deals

How far is Greater Rochester Intl to Lambert-St Louis by plane?
The straight-line distance from Greater Rochester Intl to Lambert-St Louis is 726.3 mi. By plane, this route typically takes 3h 49m.
When did momondo last update prices for flights from Greater Rochester Intl Airport to Lambert-St Louis Airport?
Prices for flights from Greater Rochester Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Greater Rochester Intl Airport to Lambert-St Louis Airport?
As of January 2026, there are 4 operators available to choose from for flights from Greater Rochester Intl Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Greater Rochester Intl Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Greater Rochester Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Rochester to St. Louis?
Based on momondo bookings for flights between Rochester and St. Louis, the leading airline is American Airlines, making up 49% of the total bookings. Other popular airlines include Delta with 32%, Southwest with 11%, and United Airlines with 7%.

Best airlines flying from Rochester to St. Louis

Compare and see reviews for airlines that fly from Rochester to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $236	Free Cancellation	Rating 7.2 11,095 reviews	Search American Airlines flights
Southwest	PriceFrom $256	Free Cancellation	Rating 8.0 4,248 reviews	Search Southwest flights
Delta	PriceFrom $286	Free Cancellation	Rating 7.9 8,025 reviews	Search Delta flights
United Airlines	PriceFrom $291	Free Cancellation	Rating 7.4 9,139 reviews	Search United Airlines flights

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Chesterfield

Hermann

Fairview Heights

O'Fallon

Maryland Heights

Florissant

Fenton

Collinsville

St. Peters

Wentzville

Alton

Farmington

Clayton

Eureka

Festus

Edwardsville

Glencoe

Litchfield

Shrewsbury

Why use momondo?

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

Finding the right flight to St. Louis from Rochester is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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?

Once you have performed a search for Rochester to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Rochester to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

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Cheap flights from Rochester to St. Louis from $133

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rochester to St. Louis departing on 3/12. 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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Filter for what you want

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Cheap round-trip flights

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American Airlines flights from Rochester to St. Louis

Our best American Airlines deals on Rochester to St. Louis flight tickets

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Our best United Airlines deals on Rochester to St. Louis flight tickets

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See travel insights to St. Louis from

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

What is the cheapest month to fly to St. Louis?

How have Rochester to St. Louis flight prices changed over time?

As of January 2026, prices for Rochester to St. Louis flights are approximately 52% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to St. Louis?

When to book flights from Rochester to St. Louis

Cheap Rochester to St. Louis (ROC to STL) flight deals and tips

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

Fastest flight time

Direct flights

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

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

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

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

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

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

Best airlines flying from Rochester to St. Louis

Compare and see reviews for airlines that fly from Rochester to St. Louis with momondo

Traveling to a place near St. Louis?

Why use momondo?

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

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

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

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

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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