$158 Cheap Flights from Bloomington (BMI) to Buffalo (BUF)

View $158 flight on Wed, Jan 28, 2026Opens in a new window

Popular airlines from Bloomington, IL (BMI-Central Illinois Regional) to Buffalo Niagara Intl. Airport (BUF)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Bloomington to Buffalo (BMI-BUF)

Prices were available within the past 7 days and start at $158 for one-way flights and $315 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Apr 1 - Wed, Apr 8
BMI
Bloomington
BUF
Buffalo
$315 Roundtrip, found 5 days ago
$315
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Apr 1 from Bloomington to Buffalo, returning Wed, Apr 8, priced at $315 found 5 days ago
Delta
Tue, Mar 31 - Wed, Apr 1
BMI
Bloomington
BUF
Buffalo
$320 Roundtrip, found 5 days ago
$320
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Mar 31 from Bloomington to Buffalo, returning Wed, Apr 1, priced at $320 found 5 days ago
Delta
Wed, Apr 1 - Sat, Apr 11
BMI
Bloomington
BUF
Buffalo
$327 Roundtrip, found 5 days ago
$327
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Apr 1 from Bloomington to Buffalo, returning Sat, Apr 11, priced at $327 found 5 days ago
Delta
Wed, Apr 1 - Thu, Apr 9
BMI
Bloomington
BUF
Buffalo
$335 Roundtrip, found 5 days ago
$335
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Apr 1 from Bloomington to Buffalo, returning Thu, Apr 9, priced at $335 found 5 days ago
Delta
Wed, Mar 11 - Tue, Mar 17
BMI
Bloomington
BUF
Buffalo
$339 Roundtrip, found 1 day ago
$339
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 11 from Bloomington to Buffalo, returning Tue, Mar 17, priced at $339 found 1 day ago
Delta
Wed, Mar 11 - Sat, Mar 14
BMI
Bloomington
BUF
Buffalo
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 11 from Bloomington to Buffalo, returning Sat, Mar 14, priced at $344 found 1 day ago
Delta
Wed, Apr 1 - Fri, Apr 10
BMI
Bloomington
BUF
Buffalo
$351 Roundtrip, found 5 days ago
$351
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Apr 1 from Bloomington to Buffalo, returning Fri, Apr 10, priced at $351 found 5 days ago
Delta
Tue, Jul 14 - Tue, Jul 21
BMI
Bloomington
BUF
Buffalo
$359 Roundtrip, found 17 hours ago
$359
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Jul 14 from Bloomington to Buffalo, returning Tue, Jul 21, priced at $359 found 17 hours ago
Delta
Thu, Mar 12 - Tue, Mar 17
BMI
Bloomington
BUF
Buffalo
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Mar 12 from Bloomington to Buffalo, returning Tue, Mar 17, priced at $363 found 1 day ago
American Airlines
Sat, Jun 20 - Wed, Jun 24
BMI
Bloomington
BUF
Buffalo
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jun 20 from Bloomington to Buffalo, returning Wed, Jun 24, priced at $363 found 1 day 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 $411
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $411

Frequently asked questions

How much does a flight from Central Illinois Regional Airport (BMI) to Buffalo Niagara Intl. Airport (BUF) cost?
Get a cheap one-way flight from $158 or cheap return flight from $315 from Central Illinois Regional Airport (BMI) 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 Central Illinois Regional Airport (BMI) to Buffalo Niagara Intl. Airport (BUF)?
The cheapest month to fly from BMI to BUF is April, when there's less demand. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Central Illinois Regional Airport (BMI) to Buffalo Niagara Intl. Airport (BUF)?
To find the cheapest airline that'll fly you from BMI to BUF, use Expedia's filter tool. Tailor 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 fares upfront.
How many flights per day from Central Illinois Regional Airport (BMI) to Buffalo Niagara Intl. Airport (BUF)?
There are no daily direct flights available from Central Illinois Regional Airport (BMI) to Buffalo Niagara Intl. Airport (BUF). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from BMI to BUF?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Central Illinois Regional Airport (BMI) to Buffalo Niagara Intl. Airport (BUF)?
To land at Buffalo Niagara Intl. Airport (BUF) on time, opt for a flight that takes off from Central Illinois Regional Airport (BMI) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Central Illinois Regional Airport (BMI) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Waiting until right before your break to book a flight from BMI to BUF generally means paying more. While you may find some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a BMI to BUF flight and hotel package?
You'll generally save money by booking a BMI 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 easy to manage it all in one place. After selecting your preferred accommodations and flights, consider adding extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Central Illinois Regional Airport (BMI) to Buffalo Niagara Intl. Airport (BUF)?
If you reserved your BMI 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, go to our Customer Service portal for more information.

Travel information

Origin airport
Central Illinois Regional
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$315
Distance
551 mi

Book with confidence

Bloomington to Buffalo Flights

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

 

The best time to book a flight from Bloomington to Buffalo

Sunday is one of the best days to book for cheap flights from Bloomington 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 Bloomington 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 Bloomington to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $158 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 Bloomington 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 Bloomington 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.

 

Bloomington to Buffalo Flights

Explore a world of travel with Expedia

*Available to One Key members.