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Cheap flights from Buffalo to Denver from C$ 137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Denver departing on 15/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Buffalo to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
12:20 p.m. - 4:40 p.m.BUF-DEN
6h 20m1 stop
Southwest Logo
6:20 a.m. - 4:00 p.m.DEN-BUF
7h 40m1 stop
C$ 213Southwest
Find Deal
Tue, 20 Jan - Sat, 24 Jan
Southwest Logo
6:20 a.m. - 12:15 p.m.BUF-DEN
7h 55m2 stops
Southwest Logo
12:05 p.m. - 10:55 p.m.DEN-BUF
8h 50m1 stop
C$ 220Southwest
Find Deal
Tue, 20 Jan - Sat, 24 Jan
Southwest Logo
12:10 p.m. - 7:25 p.m.BUF-DEN
9h 15m1 stop
Southwest Logo
7:00 a.m. - 3:10 p.m.DEN-BUF
6h 10m1 stop
C$ 270Southwest
Find Deal
Wed, 21 Jan - Fri, 23 Jan
Southwest Logo
12:20 p.m. - 4:40 p.m.BUF-DEN
6h 20m1 stop
Southwest Logo
6:05 a.m. - 2:10 p.m.DEN-BUF
6h 05m1 stop
C$ 275Southwest
Find Deal
Tue, 24 Feb - Sun, 1 Mar
United Airlines Logo
8:25 a.m. - 10:09 a.m.BUF-DEN
3h 44mdirect
United Airlines Logo
5:44 p.m. - 10:59 p.m.DEN-BUF
3h 15mdirect
C$ 278United Airlines
Find Deal
Mon, 23 Feb - Sat, 28 Feb
Southwest Logo
12:20 p.m. - 7:35 p.m.BUF-DEN
9h 15m2 stops
Southwest Logo
6:05 a.m. - 2:10 p.m.DEN-BUF
6h 05m1 stop
C$ 282Southwest
Find Deal
Tue, 24 Feb - Sun, 1 Mar
United Airlines Logo
7:55 p.m. - 11:50 p.m.BUF-DEN
5h 55m1 stop
United Airlines Logo
5:30 p.m. - 10:45 p.m.DEN-BUF
3h 15mdirect
C$ 292United Airlines
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Fri, 29 May - Sun, 14 Jun
Delta Logo
6:00 a.m. - 1:37 p.m.BUF-DEN
9h 37m1 stop
Delta Logo
6:40 a.m. - 2:58 p.m.DEN-BUF
6h 18m1 stop
C$ 303Delta
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Fri, 30 Jan - Mon, 2 Feb
Frontier Logo
8:58 p.m. - 8:20 a.m.BUF-DEN
13h 22m1 stop
Frontier Logo
9:41 a.m. - 7:04 p.m.DEN-BUF
7h 23m1 stop
C$ 305Frontier
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Sun, 18 Jan - Thu, 22 Jan
Delta Logo
2:08 p.m. - 9:14 p.m.BUF-DEN
9h 06m1 stop
Delta Logo
12:59 a.m. - 11:18 a.m.DEN-BUF
8h 19m1 stop
C$ 306Delta
Find Deal
Sat, 21 Feb - Thu, 26 Feb

United Airlines flights from Buffalo to Denver

Our best United Airlines deals on Buffalo to Denver flight tickets
United Airlines
23 Feb
BUF8:25 a.m.Buffalo
3h 44m
DEN10:09 a.m.Denver Intl
28 Feb
DEN5:44 p.m.Denver Intl
3h 15m
BUF10:59 p.m.Buffalo
C$ 278
Find similar
United Airlines
29 May
BUF7:55 p.m.Buffalo
5h 55m
1 stop
DEN11:50 p.m.Denver Intl
14 Jun
DEN5:30 p.m.Denver Intl
3h 15m
BUF10:45 p.m.Buffalo
C$ 292
Find similar
United Airlines
23 May
BUF8:30 a.m.Buffalo
3h 45m
DEN10:15 a.m.Denver Intl
7 Jun
DEN5:30 p.m.Denver Intl
3h 15m
BUF10:45 p.m.Buffalo
C$ 330
Find similar

JetBlue flights from Buffalo to Denver

Our best JetBlue deals on Buffalo to Denver flight tickets
JetBlue
15 Apr
BUF2:29 p.m.Buffalo
10h 35m
1 stop
DEN11:04 p.m.Denver Intl
23 Apr
DEN11:59 p.m.Denver Intl
7h 36m
1 stop
BUF9:35 a.m.Buffalo
C$ 387
Find similar
JetBlue
15 May
BUF4:00 p.m.Buffalo
9h 01m
1 stop
DEN11:01 p.m.Denver Intl
17 May
DEN10:34 p.m.Denver Intl
9h 05m
1 stop
BUF9:39 a.m.Buffalo
C$ 417
Find similar
JetBlue
10 Dec
BUF6:05 a.m.Buffalo
8h 30m
1 stop
DEN12:35 p.m.Denver Intl
14 Dec
DEN11:28 p.m.Denver Intl
7h 52m
1 stop
BUF9:20 a.m.Buffalo
C$ 470
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momondo 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, momondo users made 96,600 searches. Data last updated 2 December 2025.
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

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 20/1

12:20 p.m.-4:40 p.m.

1 stop6h 20m

Denver Intl

Sat 24/1

6:20 a.m.-4:00 p.m.

1 stop7h 40m

C$ 213

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 20/1

6:20 a.m.-12:15 p.m.

2 stops7h 55m

Denver Intl

Sat 24/1

12:05 p.m.-10:55 p.m.

1 stop8h 50m

C$ 220

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 21/1

12:10 p.m.-7:25 p.m.

1 stop9h 15m

Denver Intl

Fri 23/1

7:00 a.m.-3:10 p.m.

1 stop6h 10m

C$ 270

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 24/2

12:20 p.m.-4:40 p.m.

1 stop6h 20m

Denver Intl

Sun 1/3

6:05 a.m.-2:10 p.m.

1 stop6h 05m

C$ 275

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 23/2

8:25 a.m.-10:09 a.m.

Nonstop3h 44m

Denver Intl

Sat 28/2

5:44 p.m.-10:59 p.m.

Nonstop3h 15m

C$ 278

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 24/2

12:20 p.m.-7:35 p.m.

2 stops9h 15m

Denver Intl

Sun 1/3

6:05 a.m.-2:10 p.m.

1 stop6h 05m

C$ 282

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 29/5

7:55 p.m.-11:50 p.m.

1 stop5h 55m

Denver Intl

Sun 14/6

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

Nonstop3h 15m

C$ 292

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 30/1

6:00 a.m.-1:37 p.m.

1 stop9h 37m

Denver Intl

Mon 2/2

6:40 a.m.-2:58 p.m.

1 stop6h 18m

C$ 303

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sun 18/1

8:58 p.m.-8:20 a.m.

1 stop13h 22m

Denver Intl

Thu 22/1

9:41 a.m.-7:04 p.m.

1 stop7h 23m

C$ 305

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 21/2

2:08 p.m.-9:14 p.m.

1 stop9h 06m

Denver Intl

Thu 26/2

12:59 a.m.-11:18 a.m.

1 stop8h 19m

C$ 306

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Buffalo to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

In general, October is the cheapest month to fly from Buffalo to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 375. If you aren’t able to travel during the month of October, then book flights to Denver from Buffalo during August instead. Flights to Denver in August, while not as cheap as those in October, still average around C$ 379.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart from Buffalo to Denver is on a Friday. Travellers who choose to depart for Denver on a Friday will often find tickets for as low as C$ 357. On the other hand, Tuesday is the most expensive day to depart from Buffalo because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 839.

What is the cheapest time of day to depart on your flight to Denver?

Our most recent data shows that the best time of day to fly to Denver is in the afternoon. Flights from Buffalo to Denver during this time can be as low as C$ 343. Try not to purchase tickets in the morning because they tend to be around C$ 600. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Buffalo to Denver Intl flight route?

Fly from Buffalo to Denver Intl for the best Buffalo - Denver Intl flight prices

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

You are more likely to see cheaper flights to Denver from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around C$ 470 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Buffalo for as low as C$ 327 on momondo.

What cabin class options are available on Buffalo to Denver Intl flights?

There are 2 cabin classes available to choose from on Buffalo to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Buffalo to Denver flights?

No. A direct flight is the cheapest option for a flight between Buffalo to Denver.

How have Buffalo to Denver flight prices changed over time?

As of December 2025, prices for Buffalo to Denver flights are approximately 13% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Denver (BUF to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Denver

Best price found

C$ 487

Fastest flight time

3h 35m

Direct flights

Every day

Airports in Denver

1 airport
The best flight deal from Buffalo to Denver found on momondo in the last 72 hours is C$ 487
The fastest flight from Buffalo to Denver takes 3h 35m
Direct flights go from Buffalo to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

  • How far is Buffalo to Denver Intl by plane?

    A flight from Buffalo to Denver Intl will travel around 2197.7 km. Flights usually cover this in 3h 44m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Buffalo Airport to Denver Intl Airport?

    Prices for flights from Buffalo Airport to Denver Intl Airport are updated daily.

  • How many operators does momondo search for flights from Buffalo Airport to Denver Intl Airport?

  • How old do you have to be to fly from Buffalo Airport to Denver Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Buffalo to Denver?

  • What is the most popular airline from Buffalo to Denver?

Best airlines flying from Buffalo to Denver

Compare and see reviews for airlines that fly from Buffalo to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom C$ 209Free CancellationRating
5.8
3,094 reviews
Search Frontier flights
United AirlinesPriceFrom C$ 252Free CancellationRating
7.4
9,064 reviews
Search United Airlines flights
SouthwestPriceFrom C$ 387Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Silverthorne
Wheat Ridge
Winter Park
Lakewood
Longmont
Boulder
Fort Collins
Englewood

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Denver?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from Buffalo.

Can I find flights from Buffalo to Denver with flexible booking policies on momondo?

Flights from Buffalo to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Buffalo to Denver?

momondo provides multiple filters to help you find the best flight to Denver from Buffalo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Buffalo to Denver right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denver from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Denver trip

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