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Cheap flights from St. Louis to Rochester from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Rochester departing on 9/7. 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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0 bags

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Find the cheapest flights from St. Louis to Rochester (STL-ROC)

Cheap round-trip flights

Southwest Logo
1:55 pm - 8:05 pmSTL-ROC
5h 10m1 stop
Southwest Logo
5:30 pm - 8:35 pmROC-STL
4h 05m1 stop
$210Southwest
Find Deal
Sat, Oct 18 - Sat, Oct 25
American Airlines Logo
5:52 pm - 11:42 pmSTL-ROC
4h 50m1 stop
American Airlines Logo
6:11 pm - 11:07 pmROC-STL
5h 56m1 stop
$227American Airlines
Find Deal
Tue, Sep 2 - Mon, Sep 8
Delta Logo
5:11 pm - 11:53 pmSTL-ROC
5h 42m1 stop
Delta Logo
6:14 pm - 11:41 pmROC-STL
6h 27m1 stop
$257Delta
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Fri, Oct 3 - Mon, Oct 6
American Airlines Logo
10:23 am - 3:48 pmSTL-ROC
4h 25m1 stop
American Airlines Logo
11:05 am - 6:42 pmROC-STL
8h 37m2 stops
$270American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
Spirit Airlines Logo
10:37 am - 1:49 pmSTL-ROC
26h 12m3 stops
Spirit Airlines Logo
5:34 pm - 1:32 pmROC-STL
20h 58m2 stops
$376Spirit Airlines
Find Deal
Thu, Aug 21 - Sun, Aug 24
Spirit Airlines Logo
2:30 pm - 10:10 pmSTL-ROC
30h 40m3 stops
Spirit Airlines Logo
5:34 pm - 1:32 pmROC-STL
20h 58m2 stops
$380Spirit Airlines
Find Deal
Mon, Aug 18 - Thu, Aug 21
Logo
10:37 am - 1:49 pmSTL-ROC
26h 12m3 stops
Logo
6:40 am - 12:10 pmROC-STL
30h 30m3 stops
$445
Find Deal
Thu, Aug 21 - Mon, Aug 25
United Airlines Logo
3:23 pm - 9:15 pmSTL-ROC
4h 52m1 stop
United Airlines Logo
7:55 pm - 2:27 pmROC-STL
19h 32m2 stops
$474United Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
United Airlines Logo
9:17 am - 4:50 pmSTL-ROC
6h 33m1 stop
United Airlines Logo
6:30 am - 12:25 pmROC-STL
6h 55m1 stop
$477United Airlines
Find Deal
Tue, Aug 19 - Sat, Aug 23
Logo
10:37 am - 1:49 pmSTL-ROC
26h 12m3 stops
Logo
6:40 am - 12:10 pmROC-STL
30h 30m3 stops
$498
Find Deal
Sun, Aug 17 - Mon, Aug 25

Southwest flights from St. Louis to Rochester

Our best Southwest deals on St. Louis to Rochester flight tickets
Southwest
Oct 18
STL1:55 pmLambert-St Louis
5h 10m
1 stop
ROC8:05 pmRochester Greater Rochester Intl
Oct 25
ROC5:30 pmRochester Greater Rochester Intl
4h 05m
1 stop
STL8:35 pmLambert-St Louis
$210
Find similar
Southwest
Sep 2
STL6:25 amLambert-St Louis
7h 45m
2 stops
ROC3:10 pmRochester Greater Rochester Intl
Sep 8
ROC6:05 amRochester Greater Rochester Intl
6h 25m
1 stop
STL11:30 amLambert-St Louis
$319
Find similar
Southwest
Sep 2
STL1:35 pmLambert-St Louis
7h 30m
2 stops
ROC10:05 pmRochester Greater Rochester Intl
Sep 8
ROC6:05 amRochester Greater Rochester Intl
6h 25m
1 stop
STL11:30 amLambert-St Louis
$345
Find similar

American Airlines flights from St. Louis to Rochester

Our best American Airlines deals on St. Louis to Rochester flight tickets
American Airlines
Sep 2
STL5:52 pmLambert-St Louis
4h 50m
1 stop
ROC11:42 pmRochester Greater Rochester Intl
Sep 8
ROC6:11 pmRochester Greater Rochester Intl
5h 56m
1 stop
STL11:07 pmLambert-St Louis
$227
Find similar
American Airlines
Oct 18
STL10:23 amLambert-St Louis
4h 25m
1 stop
ROC3:48 pmRochester Greater Rochester Intl
Oct 25
ROC11:05 amRochester Greater Rochester Intl
8h 37m
2 stops
STL6:42 pmLambert-St Louis
$270
Find similar
American Airlines
Aug 26
STL8:43 amLambert-St Louis
8h 09m
2 stops
ROC5:52 pmRochester Greater Rochester Intl
Aug 28
ROC11:53 amRochester Greater Rochester Intl
5h 21m
1 stop
STL4:14 pmLambert-St Louis
$297
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Rochester 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 August 6, 2025.
Use the filters below to find and compare flights from St. Louis to Rochester that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisRochester

STL - ROC

STLROC

Lambert-St Louis

Sat 10/18

1:55 pm-8:05 pm

1 stop5h 10m

Rochester Greater Rochester Intl

Sat 10/25

5:30 pm-8:35 pm

1 stop4h 05m

$210

St. LouisRochester

STL - ROC

STLROC

Lambert-St Louis

Tue 9/2

5:52 pm-11:42 pm

1 stop4h 50m

Rochester Greater Rochester Intl

Mon 9/8

6:11 pm-11:07 pm

1 stop5h 56m

$227

St. LouisRochester

STL - ROC

STLROC

Lambert-St Louis

Fri 10/3

5:11 pm-11:53 pm

1 stop5h 42m

Rochester Greater Rochester Intl

Mon 10/6

6:14 pm-11:41 pm

1 stop6h 27m

$257

St. LouisRochester

STL - ROC

STLROC

Lambert-St Louis

Sat 10/18

10:23 am-3:48 pm

1 stop4h 25m

Rochester Greater Rochester Intl

Sat 10/25

11:05 am-6:42 pm

2 stops8h 37m

$270

St. LouisRochester

STL - ROC

STLROC

Lambert-St Louis

Thu 8/21

10:37 am-1:49 pm

3 stops26h 12m

Rochester Greater Rochester Intl

Sun 8/24

5:34 pm-1:32 pm

2 stops20h 58m

$376

St. LouisRochester

STL - ROC

STLROC

Lambert-St Louis

Mon 8/18

2:30 pm-10:10 pm

3 stops30h 40m

Rochester Greater Rochester Intl

Thu 8/21

5:34 pm-1:32 pm

2 stops20h 58m

$380

St. LouisRochester

STL - ROC

STLROC

Lambert-St Louis

Thu 8/21

10:37 am-1:49 pm

3 stops26h 12m

Rochester Greater Rochester Intl

Mon 8/25

6:40 am-12:10 pm

3 stops30h 30m

$445

St. LouisRochester

STL - ROC

STLROC

Lambert-St Louis

Fri 10/3

3:23 pm-9:15 pm

1 stop4h 52m

Rochester Greater Rochester Intl

Mon 10/6

7:55 pm-2:27 pm

2 stops19h 32m

$474

St. LouisRochester

STL - ROC

STLROC

Lambert-St Louis

Tue 8/19

9:17 am-4:50 pm

1 stop6h 33m

Rochester Greater Rochester Intl

Sat 8/23

6:30 am-12:25 pm

1 stop6h 55m

$477

St. LouisRochester

STL - ROC

STLROC

Lambert-St Louis

Sun 8/17

10:37 am-1:49 pm

3 stops26h 12m

Rochester Greater Rochester Intl

Mon 8/25

6:40 am-12:10 pm

3 stops30h 30m

$498

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Rochester from

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

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 cheapest month to fly to Rochester?

The cheapest month to fly to Rochester from St. Louis is in June. Flight prices, which tend to average around $293, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Rochester from St. Louis during September instead. Flights to Rochester in September, while not as cheap as those in June, still average around $338.

What is the cheapest day to depart on your flight to Rochester?

The cheapest day to depart from St. Louis to Rochester is on a Monday. Travelers who choose to depart for Rochester on a Monday will often find tickets for as low as $325. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $619. These prices are subject to change though, so be sure to set up a Price Alert for flights to Rochester.

What is the cheapest time of day to depart on your flight to Rochester?

Our most recent data shows that the best time of day to fly to Rochester is in the morning. Flights from St. Louis to Rochester during this time can be as low as $390. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $530 on average. Flights to Rochester from St. Louis in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

As of August 2025, prices for St. Louis to Rochester flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Rochester

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

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

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

Best Price Found

$144

Fastest flight time

3h 49m

Direct flights

None

Airports in Rochester

1 airport
The best one-way flight to Rochester from St. Louis in the past 72 hours is $144. The best round-trip flight deal from St. Louis to Rochester found on momondo in the last 72 hours is $210.
The fastest flight from St. Louis to Rochester takes 3h 49m
There are no direct flights from St. Louis to Rochester. Popular non-direct route for this connection is Lambert-St Louis Airport - Rochester Greater Rochester Intl Airport.
There is 1 airport near Rochester: Rochester Greater Rochester Intl (ROC)
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  • How far is Lambert-St Louis to Rochester Greater Rochester Intl by plane?

    Rochester Greater Rochester Intl is 726.3 mi away from Lambert-St Louis. Flights usually cover this in 4h 10m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Rochester Greater Rochester Intl Airport.

  • What documentation or ID do you need to fly to Rochester Greater Rochester Intl Airport?

    The necessary travel and health documents for your Rochester Greater Rochester Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from St. Louis to Rochester

Compare and see reviews for airlines that fly from St. Louis to Rochester with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $266Free CancellationRating
8.0
7,985 reviews
Search Delta flights
SouthwestPriceFrom $272Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $346Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights

Traveling to a place near Rochester?

Book flights to Rochester if you plan to visit one of these locations
Henrietta
Geneva
Canandaigua
Webster
Victor
Fairport
Brockport
Farmington
Pittsford
Geneseo
Brighton

Why use momondo?

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

Finding the right flight to Rochester from St. Louis 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 Rochester quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for St. Louis to Rochester flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Rochester from St. Louis.

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

Yes momondo offers price alerts on flights to Rochester from St. Louis. 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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