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$105+ Cheap flights from Rochester to St. Louis (ROC - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — STL
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Rochester to St. Louis

Cheapest flights from Rochester to St. Louis
Explore the most affordable flight options available from Rochester to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:35 pm
ROC
-
STL
1 stop4h 30m
United Airlines
Wed 2/257:41 am
STL
-
ROC
1 stop5h 02m
United Airlines
Deal found 1/26$318
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:20 am
ROC
-
STL
1 stop5h 16m
United Airlines
Mon 2/235:41 pm
STL
-
ROC
1 stop4h 58m
United Airlines
Deal found 1/25$321
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:50 pm
ROC
-
STL
1 stop8h 19m
Delta
Mon 3/26:35 am
STL
-
ROC
1 stop4h 44m
Delta
Deal found 1/26$330
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/95:43 pm
ROC
-
STL
1 stop4h 00m
Delta
Thu 2/126:35 am
STL
-
ROC
1 stop4h 44m
Delta
Deal found 1/26$339
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1110:37 am
ROC
-
STL
1 stop7h 41m
United Airlines
Sun 2/156:25 am
STL
-
ROC
2 stops6h 49m
United Airlines
Deal found 1/26$344
This Southwest deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:50 pm
ROC
-
STL
1 stop4h 20m
Southwest
Mon 3/92:35 pm
STL
-
ROC
2 stops8h 20m
Southwest
Deal found 1/25$349
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:48 pm
ROC
-
STL
1 stop4h 23m
United Airlines
Sat 6/61:13 pm
STL
-
ROC
1 stop7h 10m
United Airlines
Deal found 1/25$367
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/127:00 am
ROC
-
STL
1 stop5h 29m
American Airlines
Fri 3/133:49 pm
STL
-
ROC
1 stop6h 46m
American Airlines
Deal found 1/25$375
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:15 am
ROC
-
STL
1 stop4h 02m
Delta
Mon 7/275:30 pm
STL
-
ROC
1 stop5h 26m
Delta
Deal found 1/25$377
This Southwest deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:35 pm
ROC
-
STL
1 stop4h 10m
Southwest
Mon 2/237:50 am
STL
-
ROC
2 stops9h 10m
Southwest
Deal found 1/25$395

Find flight deals from Rochester to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Rochester (ROC) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$318
(United Airlines)

One-way from

$105
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$469
Provider with most accurate pricing for Greater Rochester Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Rochester Intl-Lambert-St Louis flights.
Search Deals
From Greater Rochester Intl to Lambert-St Louis
Search Deals
One-way flight from Greater Rochester Intl to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rochester 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Rochester to St. Louis that are best for you.

Fly from

Rochester

Fly to

St. Louis

Route

Depart

Return

Price

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Sun 2/22

5:35 pm-9:05 pm

1 stop4h 30m

Lambert-St Louis

Wed 2/25

7:41 am-1:43 pm

1 stop5h 02m

$318

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Thu 2/19

6:20 am-10:36 am

1 stop5h 16m

Lambert-St Louis

Mon 2/23

5:41 pm-11:39 pm

1 stop4h 58m

$321

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Fri 2/27

12:50 pm-8:09 pm

1 stop8h 19m

Lambert-St Louis

Mon 3/2

5:50 pm-10:55 pm

1 stop4h 05m

$330

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Wed 2/11

12:59 pm-4:37 pm

1 stop4h 38m

Lambert-St Louis

Sun 2/15

7:10 am-1:13 pm

1 stop5h 03m

$339

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Mon 2/9

6:11 pm-11:37 pm

1 stop6h 26m

Lambert-St Louis

Thu 2/12

6:35 am-12:19 pm

1 stop4h 44m

$339

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Wed 2/11

10:37 am-5:18 pm

1 stop7h 41m

Lambert-St Louis

Sun 2/15

6:25 am-2:14 pm

2 stops6h 49m

$344

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Fri 5/29

5:48 pm-9:11 pm

1 stop4h 23m

Lambert-St Louis

Sat 6/6

1:13 pm-9:23 pm

1 stop7h 10m

$367

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Fri 7/24

10:15 am-1:17 pm

1 stop4h 02m

Lambert-St Louis

Mon 7/27

5:30 pm-11:56 pm

1 stop5h 26m

$377

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Mon 2/2

6:50 pm-11:33 pm

2 stops29h 43m

$115

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Mon 3/23

6:20 pm-10:32 am

3 stops17h 12m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 15 results
1
2

Compare providers for flights from Rochester to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rochester to St. Louis in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rochester-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rochester-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rochester-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rochester-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rochester-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rochester to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Rochester with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rochester to St. Louis

What is the cheapest month to book a flight from Rochester to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Rochester to St. Louis (average of $112). Flying from Rochester to St. Louis in May is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated January 27, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Rochester to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,118 reviews
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,205 reviews
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,197 reviews
Southwest
8.0
Very good
4,268 reviews

Food

7.0

Overall

8.0

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Rochester to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Rochester to St. Louis?

    A quick flight from Rochester to St. Louis can take about 4h 30m. United Airlines provides one of the quickest options available for as low as $318. There are 727 mi between Rochester and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Rochester to St. Louis round-trip?

    Flying on United Airlines is currently your cheapest option to St. Louis, with prices starting at $208. Additional round-trip tickets that might be worth considering are offered by American Airlines and Southwest, with the lowest prices starting at $236 and $256, respectively. Users have found that United Airlines is 45% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Rochester to St. Louis one-way?

    The cheapest airlines for a one-way flight from Rochester to St. Louis are Delta ($127), American Airlines ($143), and United Airlines ($155).

  • Can I find deals for flights from Rochester to St. Louis that include hotel bookings?

    Yes. In addition to deals on Rochester to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rochester to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rochester to St. Louis.

  • Can I find deals for business class flights from Rochester to St. Louis?

    Yes. Cheapflights offers flight deals from Rochester to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rochester to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Rochester to St. Louis (average of $112). Flying from Rochester to St. Louis in May is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Rochester to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Rochester to St. Louis

Discover the top 4 airlines that operate flights from Rochester to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$208Average$473FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$372FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$362FlexibilityNo cancel feeOn-time63%
DeltaCheapest$286Average$376FlexibilityNo cancel feeOn-timeN/A

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