Cheap flights from Denver to Buffalo (DEN - BUF) from $54

This is the cheapest one-way flight price, found on 10/1. Prices may vary by date and flight preferences.
DEN — BUF
Oct 8 — Oct 151

The best prices from Denver Intl to Buffalo are usually found in February or September, booked 26 days in advance, depart on a Monday or Friday and return on a Tuesday

How to find the cheapest flight from Denver (DEN) to Buffalo (BUF)

All the information you need to plan the best DEN to BUF flight in 2023: compare Denver to Buffalo flight prices with the expected peak season, weather and rainfall in Buffalo.

Popular in

April

Cheapest in

February

Round-trip from

$277

One-way from

$119
High demand for flights, 27% potential price rise
Best time to find cheap flights, 33% potential price drop
From Denver Intl to Buffalo
One-way flight from Denver Intl to Buffalo

DEN - BUF

Price

$277 - $453

BUF

Temperature

24.8 - 71.6 °F

BUF

Rainfall

2.5 - 4 inches

What is the cheapest day to fly round-trip from Denver to Buffalo?

Flights from Denver to Buffalo are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buffalo.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 24 days in advance, which can save you up to 10% on flights from Denver to Buffalo compared to booking the week you need them. Waiting 24 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $274. For sooner than that we have options available in the next 3 days from $292.

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

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, February can be a great choice for travel to Buffalo. Flights to Buffalo from Denver in February are about $282 on average during February, but can be found for as low as $120.

When is the cheapest time to fly from Denver to Buffalo (DEN - BUF)?

It’s optimal to fly from Denver to Buffalo in the morning. By choosing this option you can save up to 6% on the cost of your flight, compared to a flight in the evening.

Cheap Delta flights from Denver to Buffalo

Check out some of the cheapest Delta flights we've come across from Denver to Buffalo. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap Frontier flights from Denver to Buffalo

Some of the best deals we've found on Frontier flights traveling from Denver to Buffalo. Ensure the flight price, dates, time, and airline match your criteria before you book.

Cheap Denver to Buffalo flights in October & November 2023

The best prices found for DEN to BUF flights for October, November
Listed are some of the best fares we've found on flights departing from Denver to Buffalo in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Denver to Buffalo 2023 flight deals

Cheap flights to Buffalo from Denver found for this year
Listed are some of the best fares we've found on flights departing from Denver to Buffalo in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Denver to Buffalo flights leaving soon

Late deals on return flights to Buffalo from Denver, departing today and this week
Consider one of these great deals we found on last-minute flights from Denver to Buffalo. It's wise to confirm all flight details are correct before booking.

One-way flights to Buffalo from Denver

The cheapest one-way flights from Denver to Buffalo
If you're seeking multiple options on one-way flights from Denver to Buffalo, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Denver to Buffalo should utilize the search form at the the top of the page.

Find flights from Denver to Buffalo within your budget

Use the slider to find flights from Denver to Buffalo that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$128 - $217

Route

Depart

Return

Price

Denver IntlBuffalo

DEN - BUF

DENBUF

Denver Intl

Tue 10/24

2 stops18h 42m

Buffalo

Tue 10/31

1 stop11h 29m

Denver IntlBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 10/27

1 stop10h 00m

Buffalo

Mon 10/30

1 stop15h 30m

Denver IntlBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 11/8

1 stop18h 21m

Buffalo

Tue 11/14

1 stop11h 28m

Denver IntlBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 11/30

1 stop9h 08m

Buffalo

Sun 12/3

1 stop16h 19m

Denver IntlBuffalo

DEN - BUF

DENBUF

Denver Intl

Mon 10/23

2 stops11h 20m

Buffalo

Tue 10/31

1 stop11h 29m

Denver IntlBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 10/25

1 stop9h 51m

Buffalo

Sat 10/28

2 stops14h 05m

Denver IntlBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 11/8

1 stop9h 01m

Buffalo

Thu 11/16

1 stop7h 19m

Denver IntlBuffalo

DEN - BUF

DENBUF

Denver Intl

Mon 11/13

1 stop6h 43m

Buffalo

Tue 11/14

1 stop7h 18m

Denver IntlBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 11/9

1 stop7h 09m

Buffalo

Fri 11/17

1 stop7h 09m

Flights are sorted by cheapest first

Deals found on 10/2

Reviews of airlines servicing Buffalo

Peruse reviews from past customers who have flown with Delta, Frontier and JetBlue from Denver to Buffalo to help guide your decision. 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.
Delta
7.9
Good
3,023 reviews

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 10

The crew was exceptional. The best crew on all 4 flight we took on this trip.

Delta
7.9
Good
3,023 reviews
Delta
7.9
Good
3,023 reviews

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 10

The crew was exceptional. The best crew on all 4 flight we took on this trip.

Sun Country Air
7.4
Good
94 reviews
Delta
7.9
Good
3,023 reviews

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 10

The crew was exceptional. The best crew on all 4 flight we took on this trip.

United Airlines
7.4
Good
1,890 reviews
Delta
7.9
Good
3,023 reviews

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 10

The crew was exceptional. The best crew on all 4 flight we took on this trip.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,023 reviews

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 10

The crew was exceptional. The best crew on all 4 flight we took on this trip.

JetBlue
7.2
Good
781 reviews
Delta
7.9
Good
3,023 reviews

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 10

The crew was exceptional. The best crew on all 4 flight we took on this trip.

Related info for your journey

Useful info, stats and facts about Denver to Buffalo flights.

Can I find flights from Denver to Buffalo for under $200 on Cheapflights?

Yes, there are multiple flights from Denver to Buffalo for under $200. The cheapest flight booked recently is on Frontier for just $128, but on average you can expect to pay $159.

Are there last-minute flights available from Denver to Buffalo for under $200?

There are currently 20+ open flights from Denver to Buffalo within the next 7 days for less than $200.

How popular is this Denver to Buffalo flight route?

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

According to our current data, Frontier ($128), and JetBlue ($203) offers the cheapest pricing from Denver to Buffalo. Frontier is currently priced 54% below the average price you’ll pay for this route.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $54. Users have also found prices from $119 and $123 on Delta and American Airlines, respectively.

What are the most popular airlines that fly from Denver to Buffalo?

What does DEN to BUF mean?

DEN stands for Denver Intl Airport, while BUF stands for Buffalo Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Alternative routes for Denver to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Syracusefrom $185 pp

Top 5 airlines flying from Denver to Buffalo

The chart below displays the airlines Cheapflights users traveling from Denver to Buffalo choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$109Average$270FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FrontierCheapest$120Average$260FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$166Average$375FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$215Average$402FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$218Average$336FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Hourly flight availability from Denver to Buffalo

See what time of day planes typically take off from Denver to Buffalo
29%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
71%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Denver to Buffalo

See how many times per day planes take to the skies headed from Denver to Buffalo
Sunday0daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday1daily flight

Fly with Cheapflights

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

Cheapflights helps you search for flights from Denver to Buffalo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Denver to Buffalo.

Can Cheapflights find flights from Denver to Buffalo with no change fees?

Certainly. Search results for flights to Buffalo from Denver shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Denver to Buffalo become cheaper?

Yes, and it’s super simple to set up. Perform a flight search above and use a valid email address to enable the Price Alert feature. That’s it!

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