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Cheap flights from Rochester to St. Louis from $209

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rochester to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 11:33 amROC  Greater Rochester Intl-STL Lambert-St Louis
6h 33m1 stop Newark
United Airlines Logo
5:00 pm - 11:32 pmSTL  Lambert-St Louis-ROC Greater Rochester Intl
5h 32m1 stop Newark
$304United Airlines
Sat, Oct 17 - Mon, Oct 26
United Airlines Logo
5:35 pm - 9:40 pmROC  Greater Rochester Intl-STL Lambert-St Louis
5h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
5:00 pm - 11:32 pmSTL  Lambert-St Louis-ROC Greater Rochester Intl
5h 32m1 stop Newark
$304United Airlines
Tue, Nov 3 - Tue, Nov 10
Delta Logo
6:10 am - 10:51 amROC  Greater Rochester Intl-STL Lambert-St Louis
5h 41m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:31 pm - 11:06 pmSTL  Lambert-St Louis-ROC Greater Rochester Intl
4h 35m1 stop New York LaGuardia
$309Delta
Thu, Oct 15 - Tue, Oct 20
American Airlines Logo
8:45 pm - 12:19 amROC  Greater Rochester Intl-STL Lambert-St Louis
4h 34m1 stop Chicago O'Hare Intl
American Airlines Logo
10:00 am - 5:25 pmSTL  Lambert-St Louis-ROC Greater Rochester Intl
6h 25m1 stop Boston Logan Intl
$309American Airlines
Thu, Oct 15 - Tue, Oct 20
American Airlines Logo
5:00 am - 10:33 amROC  Greater Rochester Intl-STL Lambert-St Louis
6h 33m1 stop Chicago O'Hare Intl
American Airlines Logo
7:26 am - 2:44 pmSTL  Lambert-St Louis-ROC Greater Rochester Intl
6h 18m1 stop Chicago O'Hare Intl
$309American Airlines
Thu, Nov 26 - Tue, Dec 1
American Airlines Logo
5:00 am - 9:16 amROC  Greater Rochester Intl-STL Lambert-St Louis
5h 16m1 stop Boston Logan Intl
American Airlines Logo
3:51 pm - 11:45 pmSTL  Lambert-St Louis-ROC Greater Rochester Intl
6h 54m1 stop Washington, D.C. Reagan-National
$309American Airlines
Wed, Nov 4 - Mon, Nov 9
United Airlines Logo
5:50 am - 3:43 pmROC  Greater Rochester Intl-STL Lambert-St Louis
10h 53m2 stops Newark Chicago O'Hare Intl
United Airlines Logo
6:00 am - 12:49 pmSTL  Lambert-St Louis-ROC Greater Rochester Intl
5h 49m1 stop Newark
$323United Airlines
Thu, Nov 26 - Tue, Dec 1
Southwest Logo
6:25 pm - 9:55 pmROC  Greater Rochester Intl-STL Lambert-St Louis
4h 30m1 stop Chicago Midway
Southwest Logo
4:40 pm - 11:40 pmSTL  Lambert-St Louis-ROC Greater Rochester Intl
6h 00m2 stops Charlotte Douglas Baltimore/Washington
$332Southwest
Wed, Nov 4 - Mon, Nov 9
Southwest Logo
8:05 am - 12:40 pmROC  Greater Rochester Intl-STL Lambert-St Louis
5h 35m1 stop Chicago Midway
Southwest Logo
11:55 am - 9:00 pmSTL  Lambert-St Louis-ROC Greater Rochester Intl
8h 05m2 stops Dallas Love Field Chicago Midway
$345Southwest
Tue, Nov 3 - Tue, Nov 10
Delta Logo
6:19 pm - 11:54 pmROC  Greater Rochester Intl-STL Lambert-St Louis
6h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:05 pm - 10:55 pmSTL  Lambert-St Louis-ROC Greater Rochester Intl
3h 50m1 stop Detroit Metropolitan Wayne County
$354Delta
Fri, Oct 9 - Mon, Oct 12

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United Airlines flights from Rochester to St. Louis

Our best United Airlines deals on Rochester to St. Louis flight tickets
United Airlines
Oct 17
ROC6:00 amGreater Rochester Intl
6h 33m
1 stop
STL11:33 amLambert-St Louis
Oct 26
STL5:00 pmLambert-St Louis
5h 32m
1 stop
ROC11:32 pmGreater Rochester Intl
$304
United Airlines
Nov 26
ROC5:50 amGreater Rochester Intl
10h 53m
2 stops
STL3:43 pmLambert-St Louis
Dec 1
STL6:00 amLambert-St Louis
5h 49m
1 stop
ROC12:49 pmGreater Rochester Intl
$323
United Airlines
Oct 5
ROC5:40 pmGreater Rochester Intl
4h 41m
1 stop
STL9:21 pmLambert-St Louis
Oct 7
STL1:29 pmLambert-St Louis
6h 36m
1 stop
ROC9:05 pmGreater Rochester Intl
$348

Southwest flights from Rochester to St. Louis

Our best Southwest deals on Rochester to St. Louis flight tickets
Southwest
Nov 4
ROC6:25 pmGreater Rochester Intl
4h 30m
1 stop
STL9:55 pmLambert-St Louis
Nov 9
STL4:40 pmLambert-St Louis
6h 00m
2 stops
ROC11:40 pmGreater Rochester Intl
$332
Southwest
Nov 3
ROC8:05 amGreater Rochester Intl
5h 35m
1 stop
STL12:40 pmLambert-St Louis
Nov 10
STL11:55 amLambert-St Louis
8h 05m
2 stops
ROC9:00 pmGreater Rochester Intl
$345
Southwest
Oct 5
ROC5:45 pmGreater Rochester Intl
6h 35m
1 stop
STL11:20 pmLambert-St Louis
Oct 7
STL3:20 pmLambert-St Louis
6h 10m
1 stop
ROC10:30 pmGreater Rochester Intl
$363

momondo Fare Finder

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

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Route

Depart

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Price

Cheapest round-trip

RochesterSt. Louis

ROC Greater Rochester Intl - STL Lambert-St Louis

ROCSTL

Greater Rochester Intl

Sat 10/17

6:00 am-11:33 am

1 stop6h 33m

Lambert-St Louis

Mon 10/26

5:00 pm-11:32 pm

1 stop5h 32m

$304

RochesterSt. Louis

ROC Greater Rochester Intl - STL Lambert-St Louis

ROCSTL

Greater Rochester Intl

Tue 11/3

5:35 pm-9:40 pm

1 stop5h 05m

Lambert-St Louis

Tue 11/10

5:00 pm-11:32 pm

1 stop5h 32m

$304
Quickest round-trip

RochesterSt. Louis

ROC Greater Rochester Intl - STL Lambert-St Louis

ROCSTL

Greater Rochester Intl

Thu 10/15

6:10 am-10:51 am

1 stop5h 41m

Lambert-St Louis

Tue 10/20

5:31 pm-11:06 pm

1 stop4h 35m

$309

RochesterSt. Louis

ROC Greater Rochester Intl - STL Lambert-St Louis

ROCSTL

Greater Rochester Intl

Thu 10/15

8:45 pm-12:19 am

1 stop4h 34m

Lambert-St Louis

Tue 10/20

10:00 am-5:25 pm

1 stop6h 25m

$309

RochesterSt. Louis

ROC Greater Rochester Intl - STL Lambert-St Louis

ROCSTL

Greater Rochester Intl

Thu 11/26

5:00 am-10:33 am

1 stop6h 33m

Lambert-St Louis

Tue 12/1

7:26 am-2:44 pm

1 stop6h 18m

$309

RochesterSt. Louis

ROC Greater Rochester Intl - STL Lambert-St Louis

ROCSTL

Greater Rochester Intl

Wed 11/4

5:00 am-9:16 am

1 stop5h 16m

Lambert-St Louis

Mon 11/9

3:51 pm-11:45 pm

1 stop6h 54m

$309

RochesterSt. Louis

ROC Greater Rochester Intl - STL Lambert-St Louis

ROCSTL

Greater Rochester Intl

Thu 11/26

5:50 am-3:43 pm

2 stops10h 53m

Lambert-St Louis

Tue 12/1

6:00 am-12:49 pm

1 stop5h 49m

$323

RochesterSt. Louis

ROC Greater Rochester Intl - STL Lambert-St Louis

ROCSTL

Greater Rochester Intl

Wed 11/4

6:25 pm-9:55 pm

1 stop4h 30m

Lambert-St Louis

Mon 11/9

4:40 pm-11:40 pm

2 stops6h 00m

$332

RochesterSt. Louis

ROC Greater Rochester Intl - STL Lambert-St Louis

ROCSTL

Greater Rochester Intl

Tue 11/3

8:05 am-12:40 pm

1 stop5h 35m

Lambert-St Louis

Tue 11/10

11:55 am-9:00 pm

2 stops8h 05m

$345

RochesterSt. Louis

ROC Greater Rochester Intl - STL Lambert-St Louis

ROCSTL

Greater Rochester Intl

Fri 10/9

6:19 pm-11:54 pm

1 stop6h 35m

Lambert-St Louis

Mon 10/12

6:05 pm-10:55 pm

1 stop3h 50m

$354

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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

Prices are currently low for flights on this route.

Typical prices usually range from $321 to $436.
The lowest price recently found on this route was $304.

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

In general, October 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 $357. The month of August is another great option to travel to St. Louis, with average flight prices from Rochester averaging around $393.

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

As of September 2026, prices for Rochester to St. Louis flights are approximately 1% more expensive 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

Best Price Found

$209

Fastest flight time

4h 25m

Direct flights

None
The best one-way flight to St. Louis from Rochester in the past 72 hours is $209. The best round-trip flight deal from Rochester to St. Louis found on momondo in the last 72 hours is $304.
The fastest flight from Rochester to St. Louis takes 4h 25m
There are no direct flights from Rochester to St. Louis. There are no popular flight routes from Rochester to St. Louis.
Search flight deals

Frequently asked questions about flying from Rochester to St. Louis

  • 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 4h 25m.

  • 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?

  • 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?

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
DeltaPriceFrom $248Free CancellationRating
7.8
8,566 reviews
Search Delta flights
United AirlinesPriceFrom $291Free CancellationRating
7.4
10,214 reviews
Search United Airlines flights
American AirlinesPriceFrom $327Free CancellationRating
7.1
12,049 reviews
Search American Airlines flights
SouthwestPriceFrom $358Free CancellationRating
8.0
4,191 reviews
Search Southwest 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
Fairview Heights
St. Peters
Maryland Heights
Alton
Collinsville
Florissant
Hermann
Clayton
O'Fallon
Farmington
Fenton
Festus
Edwardsville
Wentzville
Eureka
Litchfield
Grafton
Waterloo

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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