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Cheap flights from Buffalo to Denver from $42

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 10/27. 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

Frontier Logo
4:57 pm - 6:38 pmBUF-DEN
3h 41mnonstop
Frontier Logo
10:49 am - 4:03 pmDEN-BUF
3h 14mnonstop
$150Frontier
Find Deal
vie., oct. 3 - lun., oct. 6
Frontier Logo
7:14 pm - 12:51 amBUF-DEN
7h 37m1 stop
Frontier Logo
11:13 am - 4:29 pmDEN-BUF
3h 16mnonstop
$152Frontier
Find Deal
jue., oct. 16 - vie., oct. 24
Frontier Logo
6:48 pm - 8:43 amBUF-DEN
15h 55m1 stop
Frontier Logo
11:13 am - 4:29 pmDEN-BUF
3h 16mnonstop
$158Frontier
Find Deal
dom., oct. 19 - vie., oct. 24
Frontier Logo
12:17 pm - 8:47 pmBUF-DEN
10h 30m1 stop
Frontier Logo
12:04 am - 6:14 pmDEN-BUF
16h 10m1 stop
$159Frontier
Find Deal
jue., oct. 2 - dom., oct. 5
Frontier Logo
6:59 pm - 11:13 pmBUF-DEN
30h 14m1 stop
Frontier Logo
12:59 am - 11:22 amDEN-BUF
8h 23m1 stop
$160Frontier
Find Deal
vie., oct. 3 - dom., oct. 5
Frontier Logo
12:17 pm - 8:47 pmBUF-DEN
10h 30m1 stop
Frontier Logo
12:59 am - 11:22 amDEN-BUF
8h 23m1 stop
$161Frontier
Find Deal
jue., oct. 2 - sáb., oct. 4
Frontier Logo
5:24 pm - 7:04 pmBUF-DEN
3h 40mnonstop
Frontier Logo
11:13 am - 4:29 pmDEN-BUF
3h 16mnonstop
$163Frontier
Find Deal
vie., oct. 17 - lun., oct. 20
Frontier Logo
7:14 pm - 12:51 amBUF-DEN
7h 37m1 stop
Frontier Logo
11:13 am - 4:29 pmDEN-BUF
3h 16mnonstop
$164Frontier
Find Deal
jue., oct. 16 - lun., oct. 20
Frontier Logo
12:17 pm - 8:49 amBUF-DEN
22h 32m2 stops
Frontier Logo
10:49 am - 4:03 pmDEN-BUF
3h 14mnonstop
$165Frontier
Find Deal
vie., oct. 3 - lun., oct. 6
Frontier Logo
7:14 pm - 12:59 amBUF-DEN
7h 45m1 stop
Frontier Logo
12:59 am - 1:47 pmDEN-BUF
11h 48m1 stop
$169Frontier
Find Deal
jue., oct. 23 - sáb., nov. 1

Frontier flights from Buffalo to Denver

Our best Frontier deals on Buffalo to Denver flight tickets
Frontier
Oct 3
BUF4:57 pmBuffalo
3h 41m
DEN6:38 pmDenver Intl
Oct 6
DEN10:49 amDenver Intl
3h 14m
BUF4:03 pmBuffalo
$150
Find similar
Frontier
Oct 16
BUF7:14 pmBuffalo
7h 37m
1 stop
DEN12:51 amDenver Intl
Oct 24
DEN11:13 amDenver Intl
3h 16m
BUF4:29 pmBuffalo
$152
Find similar
Frontier
Oct 19
BUF6:48 pmBuffalo
15h 55m
1 stop
DEN8:43 amDenver Intl
Oct 24
DEN11:13 amDenver Intl
3h 16m
BUF4:29 pmBuffalo
$158
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 septiembre 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

vie. 10/3

4:57 pm-6:38 pm

Nonstop3h 41m

Denver Intl

lun. 10/6

10:49 am-4:03 pm

Nonstop3h 14m

$150

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

jue. 10/16

7:14 pm-12:51 am

1 stop7h 37m

Denver Intl

vie. 10/24

11:13 am-4:29 pm

Nonstop3h 16m

$152

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

dom. 10/19

6:48 pm-8:43 am

1 stop15h 55m

Denver Intl

vie. 10/24

11:13 am-4:29 pm

Nonstop3h 16m

$158

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

jue. 10/2

12:17 pm-8:47 pm

1 stop10h 30m

Denver Intl

dom. 10/5

12:04 am-6:14 pm

1 stop16h 10m

$159

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

vie. 10/3

6:59 pm-11:13 pm

1 stop30h 14m

Denver Intl

dom. 10/5

12:59 am-11:22 am

1 stop8h 23m

$160

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

jue. 10/2

12:17 pm-8:47 pm

1 stop10h 30m

Denver Intl

sáb. 10/4

12:59 am-11:22 am

1 stop8h 23m

$161

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

vie. 10/17

5:24 pm-7:04 pm

Nonstop3h 40m

Denver Intl

lun. 10/20

11:13 am-4:29 pm

Nonstop3h 16m

$163

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

jue. 10/16

7:14 pm-12:51 am

1 stop7h 37m

Denver Intl

lun. 10/20

11:13 am-4:29 pm

Nonstop3h 16m

$164

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

vie. 10/3

12:17 pm-8:49 am

2 stops22h 32m

Denver Intl

lun. 10/6

10:49 am-4:03 pm

Nonstop3h 14m

$165

BuffaloDenver

BUF - DEN

BUFDEN

Buffalo

jue. 10/23

7:14 pm-12:59 am

1 stop7h 45m

Denver Intl

sáb. 11/1

12:59 am-1:47 pm

1 stop11h 48m

$169

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 August. Flight prices, which tend to average around $270, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in August, then you should wait until September to fly from Buffalo, when ticket prices are also cheap, with an average price of $275.

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 $302. 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 $486.

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 $243. Flights in the morning are often more expensive with an average ticket price of $446.

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 $331 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 $239 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 September 2025, prices for Buffalo to Denver flights are approximately 3% cheaper 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

$124

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 $124. The best round-trip flight deal from Buffalo to Denver found on momondo in the last 72 hours is $195.
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 3h 40m 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 $103Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
JetBluePriceFrom $188Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $216Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $227Free CancellationRating
7.9
7,961 reviews
Search Delta flights
SouthwestPriceFrom $274Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • Southwest Flights From Buffalo to Denver

    Across 5 Southwest flights from Buffalo to Denver this week, the average price was $425, with the best Southwest deals starting from $274 round-trip. 4,242 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 8,926 reviews) operates around 7 flights from Buffalo to Denver in any given week. The average United Airlines airfare for this route is around $326, 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
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Boulder
Manitou Springs
Longmont
Lakewood
Greeley
Thornton
Westminster
Winter Park
Copper Mountain
Frisco
Grand Lake
Silverthorne
Central City

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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1 adult
vie. 10/17
vie. 10/24
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