$318 Find Cheap Flights from St. Louis to Rochester - Compare and Save

Flights from St. Louis to Rochester usually depart from Lambert-St Louis (STL) and arrive at Rochester (RST).

Only Economy Class is available on flights from St. Louis to Rochester.

Connecting flights from St. Louis to Rochester most commonly pass through:

• Chicago O'Hare Intl (ORD) - 66% of one-stop connections
• Minneapolis St Paul (MSP) - 34% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

On the St. Louis to Rochester route, being flexible with your departure day can save you up to 56%. Saturday is the cheapest day at $238 round-trip on average, while Sunday is the most expensive at $535: a $297 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

There are currently no nonstop flights available from St. Louis to Rochester. Flights with 1 layover take between 4h 10m and 4h 31m in total, depending on the connection.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $318 to $1,099. That means the highest observed fare was about 3x higher than the lowest one.

Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 4h 10m, compared with 4h 31m via Chicago O'Hare Intl (ORD).

Round-trip flights from St. Louis to Rochester range from $278 to $378, with an average of $303 over the past 12 months. Anything below $278 counts as a good deal.