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Cheap flights from Buffalo to Denver from C$ 163

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — DEN
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Buffalo to Denver Intl are usually found in September or August, booked 90 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap flight deals from Buffalo to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 June 2025.

Round-trip from

C$ 245

One-way from

C$ 163

Popular in

December

Cheapest in

September

Average price

C$ 413

Good round-trip deal

C$ 271 or less

Good one-way deal

C$ 122 or less
Frontier
  • Frontier
  • 19/10-27/10
  • Nonstop
  • 6h 59m total
  • Buffalo to Denver
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Delta
  • Delta
  • 14/7
  • 1 total stop
  • 5h 32m total
  • Buffalo to Denver
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Highest demand for flights based on searches. 3% potential increase in price (C$ 20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Buffalo to Denver Intl.
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Price to beat on a one-way flight from Buffalo to Denver Intl.
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Find flight deals from Buffalo to Denver

Cheapest flights from Buffalo to Denver
Explore the most affordable flight options available from Buffalo to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Sun 19/102:09 p.m.BUF - DEN
Nonstop3h 45mFrontier
Mon 27/108:00 a.m.DEN - BUF
Nonstop3h 14mFrontier
Deal found 12/6C$ 245
Thu 17/77:24 p.m.BUF - DEN
1 stop6h 04mDelta
Sun 20/712:55 a.m.DEN - BUF
1 stop5h 26mDelta
Deal found 11/6C$ 324
Sat 12/75:15 a.m.BUF - DEN
Nonstop3h 35mSouthwest
Sat 19/75:50 p.m.DEN - BUF
Nonstop3h 10mSouthwest
Deal found 12/6C$ 351
Sat 9/81:46 p.m.BUF - DEN
2 stops8h 03mAmerican Airlines
Mon 11/87:02 a.m.DEN - BUF
1 stop8h 39mAmerican Airlines
Deal found 11/6C$ 358
Thu 16/103:55 p.m.BUF - DEN
1 stop9h 09mJetBlue
Fri 24/1011:59 p.m.DEN - BUF
1 stop7h 04mJetBlue
Deal found 12/6C$ 384
Sat 18/108:25 a.m.BUF - DEN
Nonstop3h 36mUnited Airlines
Sun 26/105:30 p.m.DEN - BUF
Nonstop3h 15mUnited Airlines
Deal found 11/6C$ 391
Thu 24/711:23 a.m.BUF - DEN
1 stop25h 00mSun Country Air
Sun 27/77:00 a.m.DEN - BUF
1 stop25h 44mSun Country Air
Deal found 12/6C$ 403

Cheapflights Fare Finder

Customize your flight search to find flights from Buffalo to Denver 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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Buffalo to Denver that are best for you.

Fly from

Buffalo

Fly to

Denver

Route

Depart

Return

Price

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sun 19/10

2:09 p.m.-3:54 p.m.

Nonstop3h 45m

Denver Intl

Mon 27/10

8:00 a.m.-1:14 p.m.

Nonstop3h 14m

C$ 245

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 17/7

7:24 p.m.-11:28 p.m.

1 stop6h 04m

Denver Intl

Sun 20/7

12:55 a.m.-8:21 a.m.

1 stop5h 26m

C$ 324

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 12/7

5:15 a.m.-6:50 a.m.

Nonstop3h 35m

Denver Intl

Sat 19/7

5:50 p.m.-11:00 p.m.

Nonstop3h 10m

C$ 351

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 9/8

1:46 p.m.-7:49 p.m.

2 stops8h 03m

Denver Intl

Mon 11/8

7:02 a.m.-5:41 p.m.

1 stop8h 39m

C$ 358

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 16/10

3:55 p.m.-11:04 p.m.

1 stop9h 09m

Denver Intl

Mon 27/10

10:44 p.m.-8:29 a.m.

1 stop7h 45m

C$ 384

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 18/10

8:25 a.m.-10:01 a.m.

Nonstop3h 36m

Denver Intl

Sun 26/10

5:30 p.m.-10:45 p.m.

Nonstop3h 15m

C$ 391

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 24/7

11:23 a.m.-10:23 a.m.

1 stop25h 00m

Denver Intl

Sun 27/7

7:00 a.m.-10:44 a.m.

1 stop25h 44m

C$ 403

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 14/7

8:25 a.m.-10:10 a.m.

Nonstop3h 45m

C$ 163

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 9/7

7:24 p.m.-11:28 p.m.

1 stop6h 04m

C$ 176

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 8/9

7:00 a.m.-1:35 p.m.

1 stop8h 35m

C$ 186

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 12 results
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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
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 Denver

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

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Denver. Price data was last updated on 9 June 2025.

To ensure you get the cheapest price possible for a flight from Buffalo to Denver, you should look to book at least 90 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, August is the cheapest month in which you can book a flight from Buffalo to Denver (average of C$ 320). Flying from Buffalo to Denver in December is currently the most expensive (average of C$ 484). 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?

Find hourly flight availability from Buffalo to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 June 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 49% on flights from Buffalo to Denver by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Buffalo to Denver. Price data was last updated on 8 June 2025.

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

Weekly flight availability from Buffalo to Denver

Explore weekly flight availability from Buffalo to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 June 2025.

The most flights from BUF to DEN are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 13.0 - 58.0 mm per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Denver when rainfall is around 13.0 mm.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated 12 June 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Buffalo to Denver have to say. 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
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,925 reviews
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews
Check prices

Food

7.1

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

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

  • What airports do I use to fly from Buffalo to Denver?

    If you wish to fly to Denver from Buffalo, then you need to book flights from Buffalo to Denver Intl. There is 1 flight from Buffalo (BUF) to Denver Intl (DEN) per day to choose from. Flights to Denver from Buffalo are available from 5 different airlines, which means you should have some options if you want to compare airfare deals. 3h 36m is how long a nonstop flight from Buffalo to Denver Intl typically takes.

  • How popular is this Buffalo to Denver flight route?

    This flight path from Buffalo to Denver Intl was viewed by 420 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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$ 245. Other airlines that can offer you cheap pricing are United Airlines, from C$ 297, and Delta, from C$ 324. You may be able to fly from Buffalo to Denver for 45% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 163. Users have also found prices from C$ 186 and C$ 189 on JetBlue and Sun Country Air, respectively.

  • What are the most reliable airlines from Buffalo to Denver?

    No one likes to see their flight delayed. When booking a flight from Buffalo to Denver consider choosing Southwest (84%), United Airlines (73%) or Frontier (67%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Buffalo to Denver?

    The cheapest flight price from Buffalo to Denver is C$ 40. On average you can expect to pay C$ 244. The most popular route, (Buffalo - Denver Intl), can usually be booked for C$ 290.

  • 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, August is the cheapest month in which you can book a flight from Buffalo to Denver (average of C$ 320). Flying from Buffalo to Denver in December is currently the most expensive (average of C$ 484). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Golden
Westminster
Thornton

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Top 5 airlines flying from Buffalo to Denver

Discover the top 5 airlines that operate flights from Buffalo to Denver. 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 160AverageC$ 286FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 168AverageC$ 314FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 264AverageC$ 365FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 267AverageC$ 382FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
SouthwestCheapestC$ 411AverageC$ 563FlexibilityNo cancel feeOn-time63%
Search Southwest flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Buffalo to Denver?

When you search for this flight from Buffalo to Denver, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Denver?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Buffalo to Denver flexibly with Cheapflights today.

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