Cheap flights from Buffalo to Denver from C$ 232

BUF — DEN
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Buffalo to Denver Intl are usually found in May or April, booked 37 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Buffalo to Denver

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Denver

Thu 19/118:50 a.m. -
Nonstop3h 45m
Mon 23/115:25 p.m. -
Nonstop3h 08m
Deal found 28/10C$ 462
Wed 2/123:55 p.m. -
1 stop7h 55m
Thu 3/123:45 p.m. -
Nonstop3h 05m
Deal found 28/10C$ 476
Wed 2/123:55 p.m. -
2 stops8h 45m
Mon 7/123:45 p.m. -
Nonstop3h 05m
Deal found 29/10C$ 483
Thu 10/122:45 p.m. -
Nonstop3h 50m
Mon 14/123:45 p.m. -
Nonstop3h 05m
Deal found 26/10C$ 490
Wed 2/125:55 a.m. -
1 stop6h 25m
Wed 2/1212:10 p.m. -
2 stops7h 50m
Deal found 27/10C$ 497
Fri 20/116:00 a.m. -
1 stop8h 12m
Mon 23/115:25 p.m. -
Nonstop3h 08m
Deal found 28/10C$ 504
Fri 20/118:50 a.m. -
Nonstop3h 45m
Fri 27/115:25 p.m. -
Nonstop3h 08m
Deal found 28/10C$ 518
Wed 2/122:45 p.m. -
Nonstop3h 50m
Mon 14/123:45 p.m. -
Nonstop3h 05m
Deal found 30/10C$ 526
Wed 2/128:17 a.m. -
Nonstop3h 46m
Thu 3/125:45 p.m. -
Nonstop3h 12m
Deal found 28/10C$ 531

Find flight deals from Buffalo to Denver

Round-trip from

C$ 388

One-way from

C$ 232

Popular in

July

Cheapest in

May

Average price

C$ 652

Good round-trip deal

C$ 544 or less

Good one-way deal

C$ 425 or less
Frontier
  • Frontier
  • 16/2-23/2
  • 2 total stops
  • 38h 34m total
  • Buffalo to Denver
Southwest
  • Southwest
  • 14/12-31/12
  • Nonstop
  • 3h 50m total
  • Buffalo to Denver
Highest demand for flights based on searches. 5% potential increase in price (C$ 52 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Average for round-trip flights in October 2026
Price to beat on a round-trip flight from Buffalo to Denver Intl.
Price to beat on a one-way flight from Buffalo to Denver Intl.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Buffalo to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloDenver

BUF Buffalo - DEN Denver Intl

BUFDEN

Buffalo

Thu 3/12

2:45 p.m.-4:35 p.m.

Nonstop3h 50m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 232

BuffaloDenver

BUF Buffalo - DEN Denver Intl

BUFDEN

Buffalo

Fri 4/12

2:45 p.m.-4:35 p.m.

Nonstop3h 50m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 260
Quickest round-trip

BuffaloDenver

BUF Buffalo - DEN Denver Intl

BUFDEN

Buffalo

Mon 4/1

4:55 p.m.-6:35 p.m.

Nonstop3h 40m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 285

BuffaloDenver

BUF Buffalo - DEN Denver Intl

BUFDEN

Buffalo

Sun 13/12

6:41 p.m.-11:22 p.m.

1 stop6h 41m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 358

BuffaloDenver

BUF Buffalo - DEN Denver Intl

BUFDEN

Buffalo

Mon 30/11

7:25 p.m.-12:40 a.m.

1 stop7h 15m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 411

BuffaloDenver

BUF Buffalo - DEN Denver Intl

BUFDEN

Buffalo

Fri 26/3

7:20 a.m.-3:05 p.m.

2 stops9h 45m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 418

BuffaloDenver

BUF Buffalo - DEN Denver Intl

BUFDEN

Buffalo

Fri 26/3

8:30 a.m.-10:28 a.m.

Nonstop3h 58m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 438

BuffaloDenver

BUF Buffalo - DEN Denver Intl

BUFDEN

Buffalo

Fri 13/11

8:50 a.m.-10:35 a.m.

Nonstop3h 45m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 444

BuffaloDenver

BUF Buffalo - DEN Denver Intl

BUFDEN

Buffalo

Thu 18/3

8:30 a.m.-10:28 a.m.

Nonstop3h 58m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 450

BuffaloDenver

BUF Buffalo - DEN Denver Intl

BUFDEN

Buffalo

Thu 10/12

2:45 p.m.-4:35 p.m.

Nonstop3h 50m

Denver Intl

Tue 15/12

3:45 p.m.-8:50 p.m.

Nonstop3h 05m

C$ 462

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 19 resultsSorted by cheapest first
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Best time to book a flight from Buffalo to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Buffalo with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

How far ahead should I book a flight from Buffalo to Denver?

To ensure you get the cheapest price possible for a flight from Buffalo to Denver, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Buffalo to Denver (average of C$ 542). Flying from Buffalo to Denver in July is currently the most expensive (average of C$ 697). 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 DEN?

Unlike in the evening, when flights are generally more expensive, you can save up to 27% on flights from Buffalo to Denver by exploring options for tickets at noon.

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

Airfare is below average for this route at the moment.

Buffalo to Denver flights typically cost between C$ 443 and C$ 630 in February.
The cheapest round-trip price found within the last 5 days was C$ 388 on Frontier (16 Feb-23 Feb).

Reviews of airlines servicing Denver

Read reviews from past customers who have flown Southwest,United Airlines, andFrontier from Buffalo to Denver. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.4

Food

7.0

Overall

7.9

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

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.4

Food

7.0

Overall

7.9

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

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.4

Food

7.0

Overall

7.9

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

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.4

Food

7.0

Overall

7.9

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

  • How popular is this Buffalo to Denver flight route?

  • How long is the flight from Buffalo to Denver?

    There are many flights that can get you from Buffalo to Denver in 3h 50m. Fly via Southwest or United Airlines to get the fastest option. The distance between Buffalo and Denver is about 2181 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Buffalo to Denver round-trip?

    Cheapflights users have booked flights from Buffalo to Denver round-trip from C$ 276. Other airlines that can offer you cheap pricing are United Airlines, from C$ 390, and Southwest, from C$ 525. You may be able to fly from Buffalo to Denver for 54% less than the average price by searching for these airlines.

  • What are the cheapest flights from Buffalo to Denver?

    The cheapest flight price from Buffalo to Denver is C$ 368. On average you can expect to pay C$ 585. The most popular route, (Buffalo - Denver Intl), can usually be booked for C$ 513.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buffalo to Denver 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 Denver?

    Currently, May is the cheapest month in which you can book a flight from Buffalo to Denver (average of C$ 542). Flying from Buffalo to Denver in July is currently the most expensive (average of C$ 697). 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

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk

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Top 3 airlines flying from Buffalo to Denver

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 276AverageC$ 415FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapestC$ 390AverageC$ 641FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
SouthwestCheapestC$ 525AverageC$ 731FlexibilityNo cancel feeOn-time63%
Search Southwest flights

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