$245 Cheap Flights from St. George (SGU) to Buffalo (BUF)

View $245 flight on Wed, Sep 16, 2026Opens in a new window

Popular airlines from St. George Regional Airport (SGU) to Buffalo Niagara Intl. Airport (BUF)

Cheap Flights from St. George to Buffalo (SGU-BUF)

Prices were available within the past 7 days and start at $245 for one-way flights and $411 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Sep 16 - Wed, Sep 23
SGU
St. George
BUF
Buffalo
$411 Roundtrip, found 5 days ago
$411
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 16 from St. George to Buffalo, returning Wed, Sep 23, priced at $411 found 5 days ago
American Airlines
Wed, Sep 16 - Wed, Sep 23
SGU
St. George
BUF
Buffalo
$417 Roundtrip, found 5 days ago
$417
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 16 from St. George to Buffalo, returning Wed, Sep 23, priced at $417 found 5 days ago
American Airlines
Wed, Sep 16 - Wed, Sep 23
SGU
St. George
BUF
Buffalo
$422 Roundtrip, found 5 days ago
$422
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 16 from St. George to Buffalo, returning Wed, Sep 23, priced at $422 found 5 days ago
American Airlines
Tue, Jul 14 - Tue, Jul 21
SGU
St. George
BUF
Buffalo
$459 Roundtrip, found 1 day ago
$459
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Jul 14 from St. George to Buffalo, returning Tue, Jul 21, priced at $459 found 1 day ago
American Airlines
Wed, Sep 16 - Wed, Sep 23
SGU
St. George
BUF
Buffalo
$476 Roundtrip, found 5 days ago
$476
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 16 from St. George to Buffalo, returning Wed, Sep 23, priced at $476 found 5 days ago
American Airlines
Wed, Sep 16 - Wed, Sep 23
SGU
St. George
BUF
Buffalo
$482 Roundtrip, found 5 days ago
$482
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 16 from St. George to Buffalo, returning Wed, Sep 23, priced at $482 found 5 days ago
American Airlines
Wed, Sep 16 - Wed, Sep 23
SGU
St. George
BUF
Buffalo
$483 Roundtrip, found 5 days ago
$483
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 16 from St. George to Buffalo, returning Wed, Sep 23, priced at $483 found 5 days ago
American Airlines
Wed, Sep 16 - Wed, Sep 23
SGU
St. George
BUF
Buffalo
$487 Roundtrip, found 5 days ago
$487
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Sep 16 from St. George to Buffalo, returning Wed, Sep 23, priced at $487 found 5 days ago
United
Thu, Jul 9 - Sat, Jul 11
SGU
St. George
BUF
Buffalo
$615 Roundtrip, found 1 day ago
$615
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jul 9 from St. George to Buffalo, returning Sat, Jul 11, priced at $615 found 1 day ago
Delta
Thu, Jul 9 - Thu, Jul 16
SGU
St. George
BUF
Buffalo
$625 Roundtrip, found 5 hours ago
$625
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Jul 9 from St. George to Buffalo, returning Thu, Jul 16, priced at $625 found 5 hours ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Frequently asked questions

How much does a flight from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $245 and cheap return flights from $411 St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights generally range between $213 and $950, and roundtrip flights usually range from $489 to $1241. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest month to fly from SGU to BUF is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter SGU to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from St. George, UT (SGU) to Buffalo, NY (BUF) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in July, allowing you to maximize your time in Buffalo upon arrival. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) are in the early morning, from 3am to 6am. About 33% of passengers prefer this time window. Major carriers like American Airlines and United Airlines operate flights during this time. This timing is favored because it allows you to start your travel day early.
How long does it take to fly from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
A flight from SGU to BUF with a layover takes around 9 hours 50 minutes, with the route covering approximately 1,872 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
First class seats are offered on the SGU to BUF route with American Airlines.
How do I earn miles on a St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo from SGU (SGU)?
From SGU (SGU), you can fly into Buffalo Niagara Intl. (BUF) to reach Buffalo. Some flights may connect through major hubs like Sky Harbor Intl. (PHX), Denver Intl. (DEN), Salt Lake City Intl. (SLC) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your St. George, UT (SGU) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
St. George
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$411
Distance
1871 mi

Book with confidence

St. George to Buffalo Flights

The cheapest times to fly from St. George to Buffalo

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. George to Buffalo are during the month of September. You can find some of the cheapest flights from St. George to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. George to Buffalo

Sunday is one of the best days to book for cheap flights from St. George to Buffalo: 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. George to Buffalo

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. George to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $245 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. George to Buffalo 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. Bundling together your St. George to Buffalo 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.

 

St. George to Buffalo Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.