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Cheap flights from Buffalo to Denver from $65

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 1/8. 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
11:40 am - 8:19 amBUF-DEN
22h 39m1 stop
Frontier Logo
11:07 am - 10:57 amDEN-BUF
21h 50m1 stop
$183Frontier
Find Deal
Thu, Nov 20 - Thu, Nov 27
Frontier Logo
3:18 pm - 9:55 amBUF-DEN
44h 37m2 stops
Frontier Logo
12:59 am - 11:10 amDEN-BUF
8h 11m1 stop
$193Frontier
Find Deal
Sun, Dec 7 - Sat, Dec 13
Frontier Logo
5:05 pm - 10:18 amBUF-DEN
43h 13m2 stops
Frontier Logo
7:00 am - 4:00 pmDEN-BUF
7h 00m1 stop
$196Frontier
Find Deal
Mon, Dec 1 - Sun, Dec 7
Frontier Logo
5:05 pm - 10:18 amBUF-DEN
43h 13m2 stops
Frontier Logo
12:59 am - 11:10 amDEN-BUF
8h 11m1 stop
$201Frontier
Find Deal
Mon, Dec 1 - Sat, Dec 6
JetBlue Logo
6:05 am - 12:35 pmBUF-DEN
8h 30m1 stop
JetBlue Logo
11:28 pm - 9:20 amDEN-BUF
7h 52m1 stop
$259JetBlue
Find Deal
Tue, Dec 9 - Sat, Dec 13
Delta Logo
7:00 am - 7:01 pmBUF-DEN
14h 01m1 stop
Delta Logo
7:10 am - 7:19 pmDEN-BUF
10h 09m1 stop
$263Delta
Find Deal
Wed, Dec 10 - Sat, Dec 13
JetBlue Logo
8:00 am - 1:52 pmBUF-DEN
7h 52m1 stop
JetBlue Logo
11:55 am - 11:33 pmDEN-BUF
9h 38m1 stop
$268JetBlue
Find Deal
Tue, Mar 3 - Thu, Mar 5
JetBlue Logo
8:00 am - 1:52 pmBUF-DEN
7h 52m1 stop
JetBlue Logo
11:59 pm - 9:27 amDEN-BUF
7h 28m1 stop
$269JetBlue
Find Deal
Tue, Mar 3 - Thu, Mar 5
Delta Logo
7:59 pm - 10:53 amBUF-DEN
16h 54m1 stop
Delta Logo
7:10 am - 7:19 pmDEN-BUF
10h 09m1 stop
$298Delta
Find Deal
Sat, Dec 6 - Sat, Dec 13
Delta Logo
7:59 pm - 10:53 amBUF-DEN
16h 54m1 stop
Delta Logo
12:50 am - 11:05 amDEN-BUF
8h 15m1 stop
$324Delta
Find Deal
Tue, Dec 9 - Fri, Dec 12

Frontier flights from Buffalo to Denver

Our best Frontier deals on Buffalo to Denver flight tickets
Frontier
Nov 20
BUF11:40 amBuffalo
22h 39m
1 stop
DEN8:19 amDenver Intl
Nov 27
DEN11:07 amDenver Intl
21h 50m
1 stop
BUF10:57 amBuffalo
$183
Find similar
Frontier
Dec 7
BUF3:18 pmBuffalo
44h 37m
2 stops
DEN9:55 amDenver Intl
Dec 13
DEN12:59 amDenver Intl
8h 11m
1 stop
BUF11:10 amBuffalo
$193
Find similar
Frontier
Dec 1
BUF5:05 pmBuffalo
43h 13m
2 stops
DEN10:18 amDenver Intl
Dec 7
DEN7:00 amDenver Intl
7h 00m
1 stop
BUF4:00 pmBuffalo
$196
Find similar

JetBlue flights from Buffalo to Denver

Our best JetBlue deals on Buffalo to Denver flight tickets
JetBlue
Dec 9
BUF6:05 amBuffalo
8h 30m
1 stop
DEN12:35 pmDenver Intl
Dec 13
DEN11:28 pmDenver Intl
7h 52m
1 stop
BUF9:20 amBuffalo
$259
Find similar
JetBlue
Mar 3
BUF8:00 amBuffalo
7h 52m
1 stop
DEN1:52 pmDenver Intl
Mar 5
DEN11:55 amDenver Intl
9h 38m
1 stop
BUF11:33 pmBuffalo
$268
Find similar
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
$269
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 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

Thu 11/20

11:40 am-8:19 am

1 stop22h 39m

Denver Intl

Thu 11/27

11:07 am-10:57 am

1 stop21h 50m

$183

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sun 12/7

3:18 pm-9:55 am

2 stops44h 37m

Denver Intl

Sat 12/13

12:59 am-11:10 am

1 stop8h 11m

$193

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 12/1

5:05 pm-10:18 am

2 stops43h 13m

Denver Intl

Sun 12/7

7:00 am-4:00 pm

1 stop7h 00m

$196

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Mon 12/1

5:05 pm-10:18 am

2 stops43h 13m

Denver Intl

Sat 12/6

12:59 am-11:10 am

1 stop8h 11m

$201

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 12/9

6:05 am-12:35 pm

1 stop8h 30m

Denver Intl

Sat 12/13

11:28 pm-9:20 am

1 stop7h 52m

$259

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Wed 12/10

7:00 am-7:01 pm

1 stop14h 01m

Denver Intl

Sat 12/13

7:10 am-7:19 pm

1 stop10h 09m

$263

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 3/3

8:00 am-1:52 pm

1 stop7h 52m

Denver Intl

Thu 3/5

11:55 am-11:33 pm

1 stop9h 38m

$268

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 3/3

8:00 am-1:52 pm

1 stop7h 52m

Denver Intl

Thu 3/5

11:59 pm-9:27 am

1 stop7h 28m

$269

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Sat 12/6

7:59 pm-10:53 am

1 stop16h 54m

Denver Intl

Sat 12/13

7:10 am-7:19 pm

1 stop10h 09m

$298

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

Tue 12/9

7:59 pm-10:53 am

1 stop16h 54m

Denver Intl

Fri 12/12

12:50 am-11:05 am

1 stop8h 15m

$324

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 $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 $224 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 07m 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
3,113 reviews
Search Frontier flights
DeltaPriceFrom $194Free CancellationRating
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,235 reviews
Search Southwest flights

  • Southwest Flights From Buffalo to Denver

    Across 4 Southwest flights from Buffalo to Denver this week, the average price was $424, with the best Southwest deals starting from $265 round-trip. 4,235 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 9,012 reviews) operates around 7 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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