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Cheap flights from Buffalo to Denver from $63

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 1/24. 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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0 bags

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Cheap round-trip flights

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Frontier Logo
12:35 pm - 9:38 pmBUF-DEN
11h 03m1 stop
Frontier Logo
11:59 pm - 2:23 pmDEN-BUF
12h 24m1 stop
$130Frontier
Find Deal
Thu, Dec 4 - Sat, Dec 6
Frontier Logo
12:35 pm - 9:38 pmBUF-DEN
11h 03m1 stop
Frontier Logo
11:59 pm - 2:15 pmDEN-BUF
12h 16m1 stop
$134Frontier
Find Deal
Thu, Dec 4 - Sun, Dec 7
Frontier Logo
10:26 am - 2:28 pmBUF-DEN
30h 02m1 stop
Frontier Logo
12:52 pm - 9:21 amDEN-BUF
18h 29m1 stop
$138Frontier
Find Deal
Mon, Jan 12 - Wed, Jan 14
Frontier Logo
1:15 pm - 9:38 pmBUF-DEN
10h 23m1 stop
Frontier Logo
12:52 pm - 9:21 amDEN-BUF
18h 29m1 stop
$142Frontier
Find Deal
Sun, Jan 11 - Wed, Jan 14
Frontier Logo
5:40 pm - 11:26 amBUF-DEN
19h 46m2 stops
Frontier Logo
6:33 pm - 8:13 amDEN-BUF
11h 40m1 stop
$174Frontier
Find Deal
Mon, Jan 5 - Wed, Jan 7
Frontier Logo
12:35 pm - 9:38 pmBUF-DEN
11h 03m1 stop
Frontier Logo
11:00 pm - 4:00 pmDEN-BUF
15h 00m1 stop
$176Frontier
Find Deal
Thu, Dec 4 - Sat, Dec 6
Frontier Logo
1:39 pm - 12:19 pmBUF-DEN
24h 40m1 stop
Frontier Logo
1:28 pm - 6:36 pmDEN-BUF
27h 08m1 stop
$177Frontier
Find Deal
Sun, Feb 1 - Sun, Feb 8
Frontier Logo
1:39 pm - 9:45 pmBUF-DEN
10h 06m1 stop
Frontier Logo
6:00 am - 12:44 pmDEN-BUF
28h 44m1 stop
$181Frontier
Find Deal
Fri, Jan 23 - Sun, Jan 25
Frontier Logo
8:58 pm - 12:19 pmBUF-DEN
17h 21m2 stops
Frontier Logo
9:41 am - 7:04 pmDEN-BUF
7h 23m1 stop
$182Frontier
Find Deal
Mon, Jan 19 - Thu, Jan 22
Frontier Logo
12:35 pm - 10:13 amBUF-DEN
23h 38m2 stops
Frontier Logo
12:59 am - 11:10 amDEN-BUF
8h 11m1 stop
$184Frontier
Find Deal
Thu, Dec 4 - Sat, Dec 6

Frontier flights from Buffalo to Denver

Our best Frontier deals on Buffalo to Denver flight tickets
Frontier
Dec 4
BUF12:35 pmBuffalo
11h 03m
1 stop
DEN9:38 pmDenver Intl
Dec 6
DEN11:59 pmDenver Intl
12h 24m
1 stop
BUF2:23 pmBuffalo
$130
Find similar
Frontier
Dec 4
BUF12:35 pmBuffalo
11h 03m
1 stop
DEN9:38 pmDenver Intl
Dec 7
DEN11:59 pmDenver Intl
12h 16m
1 stop
BUF2:15 pmBuffalo
$134
Find similar
Frontier
Jan 12
BUF10:26 amBuffalo
30h 02m
1 stop
DEN2:28 pmDenver Intl
Jan 14
DEN12:52 pmDenver Intl
18h 29m
1 stop
BUF9:21 amBuffalo
$138
Find similar

JetBlue flights from Buffalo to Denver

Our best JetBlue deals on Buffalo to Denver flight tickets
JetBlue
Mar 3
BUF8:00 amBuffalo
7h 52m
1 stop
DEN1:52 pmDenver Intl
Mar 5
DEN11:59 pmDenver Intl
7h 28m
1 stop
BUF9:27 amBuffalo
$259
Find similar
JetBlue
Dec 10
BUF5:00 pmBuffalo
20h 05m
1 stop
DEN11:05 amDenver Intl
Dec 14
DEN11:59 pmDenver Intl
8h 56m
1 stop
BUF10:55 amBuffalo
$261
Find similar
JetBlue
May 7
BUF4:00 pmBuffalo
9h 01m
1 stop
DEN11:01 pmDenver Intl
May 12
DEN11:59 pmDenver Intl
7h 01m
1 stop
BUF9:00 amBuffalo
$265
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 November 17, 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

Thu 12/4

12:35 pm-9:38 pm

1 stop11h 03m

Denver Intl

Sat 12/6

11:59 pm-2:23 pm

1 stop12h 24m

$130

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 12/4

12:35 pm-9:38 pm

1 stop11h 03m

Denver Intl

Sun 12/7

11:59 pm-2:15 pm

1 stop12h 16m

$134

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 1/12

10:26 am-2:28 pm

1 stop30h 02m

Denver Intl

Wed 1/14

12:52 pm-9:21 am

1 stop18h 29m

$138

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sun 1/11

1:15 pm-9:38 pm

1 stop10h 23m

Denver Intl

Wed 1/14

12:52 pm-9:21 am

1 stop18h 29m

$142

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 1/5

5:40 pm-11:26 am

2 stops19h 46m

Denver Intl

Wed 1/7

6:33 pm-8:13 am

1 stop11h 40m

$174

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 12/4

12:35 pm-9:38 pm

1 stop11h 03m

Denver Intl

Sat 12/6

11:00 pm-4:00 pm

1 stop15h 00m

$176

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sun 2/1

1:39 pm-12:19 pm

1 stop24h 40m

Denver Intl

Sun 2/8

1:28 pm-6:36 pm

1 stop27h 08m

$177

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Fri 1/23

1:39 pm-9:45 pm

1 stop10h 06m

Denver Intl

Sun 1/25

6:00 am-12:44 pm

1 stop28h 44m

$181

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 1/19

8:58 pm-12:19 pm

2 stops17h 21m

Denver Intl

Thu 1/22

9:41 am-7:04 pm

1 stop7h 23m

$182

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Thu 12/4

12:35 pm-10:13 am

2 stops23h 38m

Denver Intl

Sat 12/6

12:59 am-11:10 am

1 stop8h 11m

$184

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 $271.

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 $492.

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 $222. Flights in the morning are often more expensive with an average ticket price of $445.

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 $339 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 November 2025, prices for Buffalo to Denver flights are approximately 22% 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

$131

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 $131. The best round-trip flight deal from Buffalo to Denver found on momondo in the last 72 hours is $289.
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?

    The straight-line distance from Buffalo to Denver Intl is 1365.6 mi. Typically, this will take 7h 52m 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 $99Free CancellationRating
5.8
3,103 reviews
Search Frontier flights
DeltaPriceFrom $194Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
9,014 reviews
Search United Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,245 reviews
Search Southwest flights

  • Southwest Flights From Buffalo to Denver

    Across 2 Southwest flights from Buffalo to Denver this week, the average price was $424, with the best Southwest deals starting from $265 round-trip. 4,245 users have rated Southwest on momondo, with an average score of 8.0/10.

  • United Airlines Flights From Buffalo to Denver

    United Airlines (7.4/10 from 9,014 reviews) operates around 5 flights from Buffalo to Denver in any given week. The average United Airlines airfare for this route is around $324, with deals from around $211 rare but found on momondo. Referenced prices are for round-trip Buffalo to Denver flight searches in the last 72 hours.

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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