Cheap flights from Rochester to St. Louis from $161
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 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.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Rochester to St. Louis
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
United Airlines flights from Rochester to St. Louis
Our best United Airlines deals on Rochester to St. Louis flight tickets
American Airlines flights from Rochester to St. Louis
Our best American Airlines deals on Rochester to St. Louis flight tickets
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 cheapest month to fly to St. Louis?
In general, March 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 $346. The month of July is another great option to travel to St. Louis, with average flight prices from Rochester averaging around $352.
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 Saturday when prices can be found for as low as $398. 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 in the morning is the least expensive time of day to depart. momondo users have found prices as low as $407 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $506 per ticket.
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Rochester when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $399 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Rochester for as low as $313 on momondo.
What is the cheapest airline that flies from Rochester Greater Rochester Intl to Lambert-St Louis?
American Airlines and Southwest are the most popular carriers operating from Rochester Greater Rochester Intl to Lambert-St Louis
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 49% 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.
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
How far is Rochester Greater Rochester Intl to Lambert-St Louis by plane?
The straight-line distance from Rochester Greater Rochester Intl to Lambert-St Louis is 726.3 mi. By plane, this route typically takes 4h 00m.
When did momondo last update prices for flights from Rochester Greater Rochester Intl Airport to Lambert-St Louis Airport?
Prices for flights from Rochester Greater Rochester Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Rochester Greater Rochester Intl Airport to Lambert-St Louis Airport?
As of June 2025, there are 4 operators available to choose from for flights from Rochester Greater Rochester Intl Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Rochester 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 Rochester 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 Delta, making up 45% of the total bookings. Other popular airlines include American Airlines with 37%, United Airlines with 10%, and Southwest with 8%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $271 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $286 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $356 | Free Cancellation | Rating 8.0 4,287 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy 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.