Title:  Cheap flights from St. Augustine to Rochester (UST to RST) - Expedia.com

![Rochester which includes landscape views, a sunset and a lake or waterhole](https://images.trvl-media.com/place/3041/6edc9891-f38d-4b37-8700-d14c4dd5845a.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

Photo by Chad Johnson

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#  Cheap Flights from St. Augustine (UST) to Rochester (RST)

## Popular airlines from St. Augustine, FL (UST-Northeast Florida Regional) to Rochester, MN (RST-Rochester Intl.)

- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg)  
American Airlines  
[](https://www.expedia.com/Flights-Search?leg1=from:UST,to:RST,departure:4/1/2026TANYT&leg2=from:RST,to:UST,departure:4/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg)  
United  
[](https://www.expedia.com/Flights-Search?leg1=from:UST,to:RST,departure:4/1/2026TANYT&leg2=from:RST,to:UST,departure:4/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg)  
Southwest Airlines  
[](https://www.expedia.com/Flights-Search?leg1=from:UST,to:RST,departure:4/1/2026TANYT&leg2=from:RST,to:UST,departure:4/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg)  
Delta  
[](https://www.expedia.com/Flights-Search?leg1=from:UST,to:RST,departure:4/1/2026TANYT&leg2=from:RST,to:UST,departure:4/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg)  
Frontier Airlines  
[](https://www.expedia.com/Flights-Search?leg1=from:UST,to:RST,departure:4/1/2026TANYT&leg2=from:RST,to:UST,departure:4/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg)  
JetBlue Airways  
[](https://www.expedia.com/Flights-Search?leg1=from:UST,to:RST,departure:4/1/2026TANYT&leg2=from:RST,to:UST,departure:4/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg)  
Alaska Airlines  
[](https://www.expedia.com/Flights-Search?leg1=from:UST,to:RST,departure:4/1/2026TANYT&leg2=from:RST,to:UST,departure:4/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}])

## Frequently asked questions

### How much does a flight from Northeast Florida Regional Airport (UST) to Rochester Intl. Airport (RST) cost?

### What is the cheapest month to fly from Northeast Florida Regional Airport (UST) to Rochester Intl. Airport (RST)?

### What is the cheapest airline that flies from Northeast Florida Regional Airport (UST) to Rochester Intl. Airport (RST)?

### How many flights per day from Northeast Florida Regional Airport (UST) to Rochester Intl. Airport (RST)?

### What day of the week has the most flights from UST to RST?

### What is the best time to fly from Northeast Florida Regional Airport (UST) to Rochester Intl. Airport (RST)?

### Is it cheaper to buy a plane ticket from Northeast Florida Regional Airport (UST) to Rochester Intl. Airport (RST) last-minute?

### Is it cheaper to book an UST to RST flight and hotel package?

### Can I cancel or change the date of my flight from Northeast Florida Regional Airport (UST) to Rochester Intl. Airport (RST)?

## Travel information

| Origin airport      | Northeast Florida Regional |
| ------------------- | -------------------------- |
| Destination airport | Rochester Intl.            |
| Distance            | 1140 mi                    |

## Book with confidence

# St. Augustine to Rochester Flights

The cheapest times to fly from St. Augustine to Rochester

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Augustine to Rochester are during the month of . You can find some of the cheapest flights from St. Augustine to Rochester with Expedia's search tool and vast selection of airlines.

The best time to book a flight from St. Augustine to Rochester

Sunday is one of the best days to book for cheap flights from St. Augustine to Rochester: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from St. Augustine to Rochester

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Augustine to Rochester in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Augustine to Rochester flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your St. Augustine to Rochester airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

\*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.

\*Flight schedules are subject to change.

\*Available to One Key members.