$234 Cheap Flights from Idaho Falls (IDA) to Buffalo (BUF)

View $234 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Idaho Falls Regional Airport (IDA) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Idaho Falls to Buffalo (IDA-BUF)

Prices were available within the past 7 days and start at $234 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 22 - Fri, Oct 31
IDA
Idaho Falls
BUF
Buffalo
$289 Roundtrip, found 10 hours ago
$289
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Oct 22 from Idaho Falls to Buffalo, returning Fri, Oct 31, priced at $289 found 10 hours ago
United
Sat, Sep 20 - Tue, Sep 23
IDA
Idaho Falls
BUF
Buffalo
$324 Roundtrip, found 2 days ago
$324
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Idaho Falls to Buffalo, returning Tue, Sep 23, priced at $324 found 2 days ago
United
Sat, Sep 20 - Tue, Sep 23
IDA
Idaho Falls
BUF
Buffalo
$344 Roundtrip, found 2 days ago
$344
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Idaho Falls to Buffalo, returning Tue, Sep 23, priced at $344 found 2 days ago
United
Sat, Sep 20 - Tue, Sep 23
IDA
Idaho Falls
BUF
Buffalo
$349 Roundtrip, found 2 days ago
$349
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Idaho Falls to Buffalo, returning Tue, Sep 23, priced at $349 found 2 days ago
American Airlines
Wed, Oct 22 - Fri, Oct 31
IDA
Idaho Falls
BUF
Buffalo
$379 Roundtrip, found 10 hours ago
$379
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Oct 22 from Idaho Falls to Buffalo, returning Fri, Oct 31, priced at $379 found 10 hours ago
American Airlines
Wed, Oct 22 - Fri, Oct 31
IDA
Idaho Falls
BUF
Buffalo
$380 Roundtrip, found 10 hours ago
$380
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Oct 22 from Idaho Falls to Buffalo, returning Fri, Oct 31, priced at $380 found 10 hours ago
United
Thu, Sep 18 - Tue, Sep 23
IDA
Idaho Falls
BUF
Buffalo
$409 Roundtrip, found 3 days ago
$409
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 18 from Idaho Falls to Buffalo, returning Tue, Sep 23, priced at $409 found 3 days ago
United
Sat, Sep 20 - Tue, Sep 23
IDA
Idaho Falls
BUF
Buffalo
$414 Roundtrip, found 2 days ago
$414
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Idaho Falls to Buffalo, returning Tue, Sep 23, priced at $414 found 2 days ago
United
Sat, Sep 20 - Tue, Sep 23
IDA
Idaho Falls
BUF
Buffalo
$415 Roundtrip, found 2 days ago
$415
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 20 from Idaho Falls to Buffalo, returning Tue, Sep 23, priced at $415 found 2 days ago
Delta
Wed, Oct 22 - Fri, Oct 31
IDA
Idaho Falls
BUF
Buffalo
$948 Roundtrip, found 10 hours ago
$948
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Oct 22 from Idaho Falls to Buffalo, returning Fri, Oct 31, priced at $948 found 10 hours ago

Alternative airports near Buffalo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $409
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $409
Flights from Idaho Falls (IDA) to Buffalo (BUF)
Origin airport
Idaho Falls Regional
Destination airport
Buffalo Niagara Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$288
Distance
1667 mi

Idaho Falls to Buffalo Flights

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

 

The best time to book a flight from Idaho Falls to Buffalo

Sunday is one of the best days to book for cheap flights from Idaho Falls 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 Idaho Falls 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 Idaho Falls to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $234 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 Idaho Falls 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 Idaho Falls 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.

 

Frequently asked questions

How much does a flight from Idaho Falls Regional Airport (IDA) to Buffalo Niagara Intl. Airport (BUF) cost?
Get a cheap one-way flight from $234 or cheap return flight from $289 from Idaho Falls Regional Airport (IDA) to Buffalo Niagara Intl. Airport (BUF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Idaho Falls Regional Airport (IDA) to Buffalo Niagara Intl. Airport (BUF)?
October is the most affordable month to fly from IDA to BUF. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Idaho Falls Regional Airport (IDA) to Buffalo Niagara Intl. Airport (BUF)?
To find the cheapest airline flying from IDA to BUF, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Idaho Falls Regional Airport (IDA) to Buffalo Niagara Intl. Airport (BUF)?
There aren't any daily nonstop flights available from Idaho Falls Regional Airport (IDA) to Buffalo Niagara Intl. Airport (BUF). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from IDA to BUF?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as 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 Idaho Falls Regional Airport (IDA) to Buffalo Niagara Intl. Airport (BUF)?
To arrive at Buffalo Niagara Intl. Airport (BUF) on time, select a flight that leaves Idaho Falls Regional Airport (IDA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Idaho Falls Regional Airport (IDA) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Last-minute bookings from IDA to BUF are generally more expensive. To lock in the best prices, start looking for flights well in advance. That being said, if you can play around with your travel dates, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book an IDA to BUF flight and hotel package?
You'll generally save money by securing an IDA to BUF flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Idaho Falls Regional Airport (IDA) to Buffalo Niagara Intl. Airport (BUF)?
If you reserved your IDA to BUF flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.