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$286 Cheap Flights from Sun Valley (SUN) to Buffalo (BUF)

View $286 flight on Tue, Jun 23, 2026Opens in a new window

Popular airlines from Sun Valley, ID (SUN-Friedman Memorial) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Sun Valley to Buffalo (SUN-BUF)

Prices were available within the past 7 days and start at $286 for one-way flights and $906 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Aug 20 - Sun, Aug 23
SUN
Sun Valley
BUF
Buffalo
$906 Roundtrip, found 2 hours ago
$906
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Aug 20 from Sun Valley to Buffalo, returning Sun, Aug 23, priced at $906 found 2 hours ago
United
Thu, Aug 20 - Sun, Aug 23
SUN
Sun Valley
BUF
Buffalo
$973 Roundtrip, found 2 hours ago
$973
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 20 from Sun Valley to Buffalo, returning Sun, Aug 23, priced at $973 found 2 hours ago
Delta
Thu, Aug 20 - Sun, Aug 23
SUN
Sun Valley
BUF
Buffalo
$1,121 Roundtrip, found 2 hours ago
$1,121
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Aug 20 from Sun Valley to Buffalo, returning Sun, Aug 23, priced at $1,121 found 2 hours ago
United
Thu, Aug 20 - Sun, Aug 23
SUN
Sun Valley
BUF
Buffalo
$1,153 Roundtrip, found 2 hours ago
$1,153
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 20 from Sun Valley to Buffalo, returning Sun, Aug 23, priced at $1,153 found 2 hours ago
United
Thu, Aug 20 - Sun, Aug 23
SUN
Sun Valley
BUF
Buffalo
$1,198 Roundtrip, found 2 hours ago
$1,198
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 20 from Sun Valley to Buffalo, returning Sun, Aug 23, priced at $1,198 found 2 hours ago
United
Thu, Aug 20 - Sun, Aug 23
SUN
Sun Valley
BUF
Buffalo
$1,309 Roundtrip, found 2 hours ago
$1,309
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 20 from Sun Valley to Buffalo, returning Sun, Aug 23, priced at $1,309 found 2 hours ago
Delta
Thu, Aug 20 - Sun, Aug 23
SUN
Sun Valley
BUF
Buffalo
$1,371 Roundtrip, found 2 hours ago
$1,371
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Aug 20 from Sun Valley to Buffalo, returning Sun, Aug 23, priced at $1,371 found 2 hours ago
United
Thu, Aug 20 - Sun, Aug 23
SUN
Sun Valley
BUF
Buffalo
$1,373 Roundtrip, found 2 hours ago
$1,373
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 20 from Sun Valley to Buffalo, returning Sun, Aug 23, priced at $1,373 found 2 hours ago
Delta
Thu, Aug 20 - Sun, Aug 23
SUN
Sun Valley
BUF
Buffalo
$1,375 Roundtrip, found 2 hours ago
$1,375
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Aug 20 from Sun Valley to Buffalo, returning Sun, Aug 23, priced at $1,375 found 2 hours ago
Delta
Thu, Aug 20 - Sun, Aug 23
SUN
Sun Valley
BUF
Buffalo
$1,381 Roundtrip, found 2 hours ago
$1,381
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Aug 20 from Sun Valley to Buffalo, returning Sun, Aug 23, priced at $1,381 found 2 hours ago

Frequently asked questions

How much does a flight from Friedman Memorial Airport (SUN) to Buffalo Niagara Intl. Airport (BUF) cost?
Lock in a cheap one-way flight from $286 or cheap return flight from $906 from Friedman Memorial Airport (SUN) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Friedman Memorial Airport (SUN) to Buffalo Niagara Intl. Airport (BUF)?
Traveling in August can help you save, as it's the cheapest month for flights between SUN and BUF. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Friedman Memorial Airport (SUN) to Buffalo Niagara Intl. Airport (BUF)?
To find the cheapest airline flying from SUN to BUF, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Friedman Memorial Airport (SUN) to Buffalo Niagara Intl. Airport (BUF)?
There aren't any daily direct flights available from Friedman Memorial Airport (SUN) to Buffalo Niagara Intl. Airport (BUF). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from SUN to BUF?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Friedman Memorial Airport (SUN) to Buffalo Niagara Intl. Airport (BUF)?
To avoid potential delays on the Friedman Memorial Airport (SUN) to Buffalo Niagara Intl. Airport (BUF) route, fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Friedman Memorial Airport (SUN) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Booking your flight from SUN to BUF shortly before your getaway is typically more expensive. But if you're flexible with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a SUN to BUF flight and hotel package?
Compared with arranging hotels and flights separately, booking a SUN to BUF flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the stress out of travel planning. Just pick your flights and select from our extensive range of hotels, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Friedman Memorial Airport (SUN) to Buffalo Niagara Intl. Airport (BUF)?
Usually, it's possible to cancel or reschedule your SUN to BUF flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Friedman Memorial
Destination airport
Buffalo Niagara Intl.
Airlines serving
Delta, United
Roundtrip price
$906
Distance
1777 mi

Book with confidence

Sun Valley to Buffalo Flights

The cheapest times to fly from Sun Valley 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 Sun Valley to Buffalo are during the month of August. You can find some of the cheapest flights from Sun Valley to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sun Valley to Buffalo

Sunday is one of the best days to book for cheap flights from Sun Valley 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 Sun Valley 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 Sun Valley to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $286 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 Sun Valley 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 Sun Valley 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.

 

Sun Valley to Buffalo Flights

*Flight schedules are subject to change.

*Available to One Key members.