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Cheap flights from Buffalo to Denver from $64

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 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Frontier Logo
12:47 pm - 9:38 pm
BUF
-
DEN
10h 51m1 stop
Frontier Logo
4:50 pm - 8:13 pm
DEN
-
BUF
25h 23m1 stop
$129Frontier
Fri, Feb 27 - Wed, Mar 4
Frontier Logo
7:17 pm - 10:59 pm
BUF
-
DEN
29h 42m1 stop
Frontier Logo
6:00 am - 5:45 pm
DEN
-
BUF
9h 45m1 stop
$156Frontier
Tue, Feb 24 - Sat, Feb 28
Frontier Logo
9:30 pm - 6:50 am
BUF
-
DEN
11h 20m1 stop
Frontier Logo
11:59 pm - 10:42 am
DEN
-
BUF
8h 43m1 stop
$182Frontier
Sat, Mar 7 - Wed, Mar 11
Frontier Logo
1:39 pm - 9:45 pm
BUF
-
DEN
10h 06m1 stop
Frontier Logo
6:16 pm - 6:36 pm
DEN
-
BUF
22h 20m1 stop
$196Frontier
Fri, Jan 23 - Sun, Jan 25
United Airlines Logo
8:25 am - 10:09 am
BUF
-
DEN
3h 44mnonstop
United Airlines Logo
5:44 pm - 10:59 pm
DEN
-
BUF
3h 15mnonstop
$199United Airlines
Fri, Feb 27 - Wed, Mar 4
Frontier Logo
1:39 pm - 12:19 pm
BUF
-
DEN
24h 40m1 stop
Frontier Logo
12:59 am - 8:13 pm
DEN
-
BUF
17h 14m2 stops
$200Frontier
Fri, Feb 6 - Wed, Feb 11
Frontier Logo
9:08 am - 5:22 pm
BUF
-
DEN
10h 14m1 stop
Frontier Logo
6:33 pm - 8:13 am
DEN
-
BUF
11h 40m1 stop
$203Frontier
Thu, Jan 8 - Sat, Jan 10
Multiple Airlines Logo
1:39 pm - 9:45 pm
BUF
-
DEN
10h 06m1 stop
Multiple Airlines Logo
11:35 am - 11:47 pm
DEN
-
BUF
10h 12m1 stop
$205Multiple Airlines
Fri, Jan 23 - Mon, Jan 26
Frontier Logo
7:14 pm - 9:41 pm
BUF
-
DEN
28h 27m1 stop
Frontier Logo
6:07 pm - 10:49 am
DEN
-
BUF
14h 42m1 stop
$208Frontier
Thu, Jan 15 - Sun, Jan 18
United Airlines Logo
2:49 pm - 7:26 pm
BUF
-
DEN
6h 37m1 stop
United Airlines Logo
5:46 pm - 11:01 pm
DEN
-
BUF
3h 15mnonstop
$209United Airlines
Sat, Feb 7 - Thu, Feb 12

Frontier flights from Buffalo to Denver

Our best Frontier deals on Buffalo to Denver flight tickets
Frontier
Feb 27
BUF12:47 pmBuffalo
10h 51m
1 stop
DEN9:38 pmDenver Intl
Mar 4
DEN4:50 pmDenver Intl
25h 23m
1 stop
BUF8:13 pmBuffalo
$129
Find similar
Frontier
Feb 24
BUF7:17 pmBuffalo
29h 42m
1 stop
DEN10:59 pmDenver Intl
Feb 28
DEN6:00 amDenver Intl
9h 45m
1 stop
BUF5:45 pmBuffalo
$156
Find similar
Frontier
Mar 7
BUF9:30 pmBuffalo
11h 20m
1 stop
DEN6:50 amDenver Intl
Mar 11
DEN11:59 pmDenver Intl
8h 43m
1 stop
BUF10:42 amBuffalo
$182
Find similar

American Airlines flights from Buffalo to Denver

Our best American Airlines deals on Buffalo to Denver flight tickets
American Airlines
Feb 27
BUF5:50 pmBuffalo
6h 46m
1 stop
DEN10:36 pmDenver Intl
Mar 4
DEN7:00 amDenver Intl
8h 52m
2 stops
BUF5:52 pmBuffalo
$224
Find similar
American Airlines
Jan 7
BUF6:00 amBuffalo
10h 14m
2 stops
DEN2:14 pmDenver Intl
Jan 14
DEN12:28 pmDenver Intl
9h 13m
2 stops
BUF11:41 pmBuffalo
$229
Find similar
American Airlines
Feb 24
BUF6:00 amBuffalo
7h 37m
1 stop
DEN11:37 amDenver Intl
Feb 28
DEN6:59 amDenver Intl
7h 01m
1 stop
BUF4:00 pmBuffalo
$238
Find similar

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 832,500 searches. Data last updated December 11, 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

Fri 2/27

12:47 pm-9:38 pm

1 stop10h 51m

Denver Intl

Wed 3/4

4:50 pm-8:13 pm

1 stop25h 23m

$129

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 2/24

7:17 pm-10:59 pm

1 stop29h 42m

Denver Intl

Sat 2/28

6:00 am-5:45 pm

1 stop9h 45m

$156

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 3/7

9:30 pm-6:50 am

1 stop11h 20m

Denver Intl

Wed 3/11

11:59 pm-10:42 am

1 stop8h 43m

$182

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 1/23

1:39 pm-9:45 pm

1 stop10h 06m

Denver Intl

Sun 1/25

6:16 pm-6:36 pm

1 stop22h 20m

$196

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 2/27

8:25 am-10:09 am

Nonstop3h 44m

Denver Intl

Wed 3/4

5:44 pm-10:59 pm

Nonstop3h 15m

$199

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 2/6

1:39 pm-12:19 pm

1 stop24h 40m

Denver Intl

Wed 2/11

12:59 am-8:13 pm

2 stops17h 14m

$200

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 1/8

9:08 am-5:22 pm

1 stop10h 14m

Denver Intl

Sat 1/10

6:33 pm-8:13 am

1 stop11h 40m

$203

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 1/23

1:39 pm-9:45 pm

1 stop10h 06m

Denver Intl

Mon 1/26

11:35 am-11:47 pm

1 stop10h 12m

$205

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 1/15

7:14 pm-9:41 pm

1 stop28h 27m

Denver Intl

Sun 1/18

6:07 pm-10:49 am

1 stop14h 42m

$208

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 2/7

2:49 pm-7:26 pm

1 stop6h 37m

Denver Intl

Thu 2/12

5:46 pm-11:01 pm

Nonstop3h 15m

$209

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?

The cheapest month to fly to Denver from Buffalo is in October. Flight prices, which tend to average around $268, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until August to fly from Buffalo, when ticket prices are also cheap, with an average price of $270.

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

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $282. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $489.

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

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $218. Flights in the morning are often more expensive with an average ticket price of $444.

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 $335 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 $234 on momondo.

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

There are 4 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 10% 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

$222

Fastest flight time

3h 35m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Buffalo in the past 72 hours is $222. The best round-trip flight deal from Buffalo to Denver found on momondo in the last 72 hours is $353.
The fastest flight from Buffalo to Denver takes 3h 35m
Direct flights go from Buffalo to Denver every day.
There is 1 airport in Denver. From Buffalo there are direct flights to Denver Intl (DEN).
Search flight deals

  • How far is Buffalo to Denver Intl by plane?

    The straight-line distance from Buffalo to Denver Intl is 1365.6 mi. Typically, this will take 3h 35m by plane in normal conditions.

  • 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 refreshed on a daily basis.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • 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 $98Free CancellationRating
5.8
3,084 reviews
Search Frontier flights
DeltaPriceFrom $194Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
SouthwestPriceFrom $265Free CancellationRating
7.9
4,253 reviews
Search Southwest flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

Why use momondo?

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

It is quick and easy to find Buffalo to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

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

Yes. momondo allows you to filter the results for Buffalo to Denver flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Buffalo and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Buffalo to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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