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$70+ Cheap flights from Buffalo (BUF) to Colorado

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — DEN
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Buffalo to Colorado

Keep the following information in mind while searching for Buffalo to Colorado flight deals. Data was last updated January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$150
(CheapOair)

One-way from

$70
(Priceline)

Popular in

February

Cheapest in

August

Average price

$383

Good round-trip deal

$308 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Buffalo-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Denver Intl flights.
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From Buffalo to Colorado
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One-way flight from Buffalo to Colorado
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Buffalo to Colorado.
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Price to beat on a one-way flight from Buffalo to Colorado.
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Find flight deals from Buffalo to Colorado

Cheapest flights from Buffalo to Colorado
Explore the most affordable flight options available from Buffalo to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This Priceline deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2112:20 pm
BUF
-
DEN
1 stop11h 13m
Frontier
Sat 2/287:00 am
DEN
-
BUF
1 stop8h 45m
Frontier
Deal found 1/10$128
This CheapOair deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:45 pm
BUF
-
DEN
1 stop23h 21m
Frontier
Wed 2/256:20 pm
DEN
-
BUF
1 stop15h 14m
Frontier
Deal found 1/11$150
This Travelocity deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/222:19 pm
BUF
-
DEN
1 stop9h 51m
Frontier
Wed 2/256:20 pm
DEN
-
BUF
1 stop15h 14m
Frontier
Deal found 1/10$169
This Frontier deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/911:42 am
BUF
-
DEN
1 stop13h 22m
Frontier
Sun 4/1212:59 am
DEN
-
BUF
1 stop9h 43m
Frontier
Deal found 1/11$170
This Expedia deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1912:50 pm
BUF
-
DEN
1 stop12h 14m
Frontier
Wed 3/259:25 am
DEN
-
BUF
1 stop23h 24m
Frontier
Deal found 1/10$185
This Priceline deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/81:39 pm
BUF
-
DEN
1 stop10h 06m
Frontier
Sat 2/1411:59 pm
DEN
-
BUF
1 stop8h 50m
Frontier
Deal found 1/11$190
This CheapOair deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:05 pm
BUF
-
DEN
1 stop28h 55m
Frontier
Wed 3/46:20 pm
DEN
-
BUF
1 stop15h 19m
Frontier
Deal found 1/11$191
This Travelocity deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/178:06 pm
BUF
-
DEN
1 stop14h 14m
Frontier
Sat 1/246:32 pm
DEN
-
BUF
1 stop13h 35m
Frontier
Deal found 1/10$196
This Booking.com deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/61:39 pm
BUF
-
DEN
1 stop10h 06m
Frontier
Mon 2/96:32 pm
DEN
-
BUF
1 stop21h 49m
Frontier
Deal found 1/11$205
This Priceline deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/201:29 pm
BUF
-
DEN
1 stop10h 12m
Frontier
Sun 2/2212:59 am
DEN
-
BUF
1 stop9h 54m
Frontier
Deal found 1/12$210
This Frontier deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/201:29 pm
BUF
-
DEN
1 stop10h 12m
Frontier
Fri 2/276:00 am
DEN
-
BUF
1 stop8h 10m
Frontier
Deal found 1/12$211
This American Airlines deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/77:30 am
BUF
-
COS
1 stop6h 06m
American Airlines
Sat 2/141:39 pm
COS
-
BUF
1 stop7h 02m
American Airlines
Deal found 1/11$219

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 12, 2026.
Use the filters below to find and compare flights from Buffalo to Colorado that are best for you.

Fly from

Buffalo

Fly to

Colorado

Route

Depart

Return

Price

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 3/4

8:25 am-10:09 am

Nonstop3h 44m

Denver Intl

Tue 3/10

5:55 pm-11:10 pm

Nonstop3h 15m

$213

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 3/12

8:17 am-10:01 am

Nonstop3h 44m

Denver Intl

Tue 3/17

5:55 pm-11:10 pm

Nonstop3h 15m

$213

BuffaloColorado Springs

BUF - COS

BUFCOS

Buffalo

Sat 2/7

7:30 am-11:36 am

1 stop6h 06m

Colorado Springs

Sat 2/14

1:39 pm-10:41 pm

1 stop7h 02m

$219

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sun 2/22

5:24 pm-11:06 pm

1 stop7h 42m

Denver Intl

Wed 2/25

5:44 pm-10:59 pm

Nonstop3h 15m

$223

BuffaloColorado Springs

BUF - COS

BUFCOS

Buffalo

Tue 2/10

7:30 am-12:09 pm

1 stop6h 39m

Colorado Springs

Tue 2/17

11:49 am-10:50 pm

2 stops9h 01m

$224

BuffaloColorado Springs

BUF - COS

BUFCOS

Buffalo

Tue 2/10

1:59 pm-10:06 pm

2 stops10h 07m

Colorado Springs

Tue 2/17

3:40 pm-10:59 pm

1 stop5h 19m

$224

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 4/11

6:15 am-9:43 am

1 stop5h 28m

Denver Intl

Wed 4/15

12:35 am-8:16 am

1 stop5h 41m

$235

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sun 2/8

7:00 am-3:21 pm

2 stops10h 21m

Denver Intl

Sun 2/15

7:00 am-4:52 pm

2 stops7h 52m

$247

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 2/11

6:49 pm-12:28 am

1 stop7h 39m

Denver Intl

Mon 2/16

12:59 am-11:00 am

1 stop8h 01m

$256

BuffaloColorado Springs

BUF - COS

BUFCOS

Buffalo

Thu 3/19

8:17 am-2:20 pm

1 stop8h 03m

Colorado Springs

Wed 3/25

3:25 pm-11:10 pm

1 stop5h 45m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 50 results
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Best time to book a flight from Buffalo to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Colorado

What is the cheapest month to book a flight from Buffalo to Colorado?

Currently, June is the cheapest month in which you can book a flight from Buffalo to Colorado (average of $118). Flying from Buffalo to Colorado in November is currently the most expensive (average of $217). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUF to CO?

Find hourly flight availability from Buffalo to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 12, 2026.

It’s optimal to fly from Buffalo to Colorado in the afternoon. By choosing this option you can save up to 53% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Buffalo to Colorado?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to Colorado. Price data was last updated on January 10, 2026.

Travelers seeking maximum savings on their Buffalo to Colorado flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Buffalo to Colorado?

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated January 12, 2026.
Read through reviews of airlines operating flights from Buffalo to Colorado, such as Southwest, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,256 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,256 reviews
Southwest
8.0
Very good
4,256 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,039 reviews
Southwest
8.0
Very good
4,256 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,149 reviews
Southwest
8.0
Very good
4,256 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,114 reviews
Southwest
8.0
Very good
4,256 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,256 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Buffalo to Colorado?

    Buffalo (BUF), located 8.3 mi from the city center, is the airport you fly out of when you book flights from Buffalo to Colorado.

  • How popular is this Buffalo to Colorado flight route?

    Flights from Buffalo to Colorado have been viewed 47 times in the past calendar month.

  • How long is the flight from Buffalo to Colorado?

    United Airlines, American Airlines, and Delta can get you from Buffalo to Colorado in just under 3h 44m. Your travel time can differ by up to 2h 22m. There are 1355 mi between Buffalo and Colorado. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Buffalo to Colorado one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $48. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Buffalo to Colorado for a low price.

  • What are the most popular routes from Buffalo to Colorado?

    The most popular flight routes from Buffalo to Colorado are Buffalo - Denver Intl, Buffalo - Colorado Springs and Buffalo - Aspen Pitkin County.

  • What are the cheapest flights from Buffalo to Colorado?

    On average you can expect to pay $393 for a flight from Buffalo to Colorado. The cheapest flight overall is $100 while the most popular route, (Buffalo - Denver Intl) is currently priced at $208.

  • Can I find deals for flights from Buffalo to Colorado that include hotel bookings?

    Yes. In addition to deals on Buffalo to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Colorado.

  • Can I find deals for business class flights from Buffalo to Colorado?

    Yes. Cheapflights offers flight deals from Buffalo to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Buffalo to Colorado?

    Currently, June is the cheapest month in which you can book a flight from Buffalo to Colorado (average of $118). Flying from Buffalo to Colorado in November is currently the most expensive (average of $217). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Buffalo to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Buffalo to Colorado

Discover the top 5 airlines that operate flights from Buffalo to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$215FlexibilityNo cancel feeOn-time62%
DeltaCheapest$194Average$276FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$491FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$210Average$435FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$240Average$386FlexibilityNo cancel feeOn-time63%

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