$129 Cheap Flights from Colorado Springs (COS) to Buffalo (BUF)

View $129 flight on Mon, Sep 29, 2025Opens in a new window

Popular airlines from Colorado Springs Airport (COS) to Buffalo Niagara Intl. Airport (BUF)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Colorado Springs to Buffalo (COS-BUF)

Prices were available within the past 7 days and start at $129 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Nov 26 - Wed, Dec 3
COS
Colorado Springs
BUF
Buffalo
$257 Roundtrip, found 3 hours ago
$257
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Nov 26 from Colorado Springs to Buffalo, returning Wed, Dec 3, priced at $257 found 3 hours ago
United
Tue, Aug 5 - Fri, Aug 8
COS
Colorado Springs
BUF
Buffalo
$257 Roundtrip, found 4 hours ago
$257
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Aug 5 from Colorado Springs to Buffalo, returning Fri, Aug 8, priced at $257 found 4 hours ago
United
Tue, Aug 5 - Fri, Aug 8
COS
Colorado Springs
BUF
Buffalo
$258 Roundtrip, found 4 hours ago
$258
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Aug 5 from Colorado Springs to Buffalo, returning Fri, Aug 8, priced at $258 found 4 hours ago
Delta
Tue, Aug 5 - Fri, Aug 8
COS
Colorado Springs
BUF
Buffalo
$260 Roundtrip, found 4 hours ago
$260
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Aug 5 from Colorado Springs to Buffalo, returning Fri, Aug 8, priced at $260 found 4 hours ago
Delta
Thu, Nov 27 - Wed, Dec 3
COS
Colorado Springs
BUF
Buffalo
$262 Roundtrip, found 3 hours ago
$262
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Nov 27 from Colorado Springs to Buffalo, returning Wed, Dec 3, priced at $262 found 3 hours ago
Southwest Airlines
Tue, Aug 5 - Fri, Aug 8
COS
Colorado Springs
BUF
Buffalo
$264 Roundtrip, found 4 hours ago
$264
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Tue, Aug 5 from Colorado Springs to Buffalo, returning Fri, Aug 8, priced at $264 found 4 hours ago
American Airlines
Sat, Aug 2 - Mon, Aug 11
COS
Colorado Springs
BUF
Buffalo
$265 Roundtrip, found 1 day ago
$265
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 2 from Colorado Springs to Buffalo, returning Mon, Aug 11, priced at $265 found 1 day ago
Southwest Airlines
Wed, Sep 10 - Thu, Sep 18
COS
Colorado Springs
BUF
Buffalo
$267 Roundtrip, found 7 hours ago
$267
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Wed, Sep 10 from Colorado Springs to Buffalo, returning Thu, Sep 18, priced at $267 found 7 hours ago
Southwest Airlines
Tue, Jul 29 - Tue, Aug 5
COS
Colorado Springs
BUF
Buffalo
$269 Roundtrip, found 5 days ago
$269
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Jul 29 from Colorado Springs to Buffalo, returning Tue, Aug 5, priced at $269 found 5 days ago
United
Tue, Jul 29 - Tue, Aug 5
COS
Colorado Springs
BUF
Buffalo
$270 Roundtrip, found 5 days ago
$270
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 29 from Colorado Springs to Buffalo, returning Tue, Aug 5, priced at $270 found 5 days ago

Find the cheapest month to fly from Colorado Springs (COS) to Buffalo (BUF)

September is typically the cheapest month to fly

From $216 - $436 per traveler.

Graph displaying average flight prices per month

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 $385
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $385
Flights from Colorado Springs (COS) to Buffalo (BUF)
Origin airport
Colorado Springs
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$256
Distance
1380 mi

Colorado Springs to Buffalo Flights

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

 

The best time to book a flight from Colorado Springs to Buffalo

Sunday is one of the best days to book for cheap flights from Colorado Springs 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 Colorado Springs 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 Colorado Springs to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $129 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 Colorado Springs 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 Colorado Springs 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 Colorado Springs Airport (COS) to Buffalo Niagara Intl. Airport (BUF) cost?
Discover the latest flight deals from COS to BUF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from COS to BUF?
The cheapest flights from COS to BUF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from COS to BUF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from COS to BUF. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Colorado Springs Airport (COS) to Buffalo Niagara Intl. Airport (BUF)?
Nonstop flights from Colorado Springs Airport (COS) to Buffalo Niagara Intl. Airport (BUF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from COS to BUF?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Colorado Springs Airport (COS) to Buffalo Niagara Intl. Airport (BUF)?
Opt for a flight from Colorado Springs Airport (COS) to Buffalo Niagara Intl. Airport (BUF) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Colorado Springs Airport (COS) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Waiting until right before your break to book your flight from COS to BUF generally means paying more. While it's possible to find some last-minute offers, there's no guarantee. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a COS to BUF flight and hotel package?
You'll typically save money by securing a COS 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. Once you've selected your ideal flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Colorado Springs Airport (COS) to Buffalo Niagara Intl. Airport (BUF)?
Typically, you can reschedule or cancel your COS to BUF flight. However, there may be additional fees, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.