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Cheap flights from Denver to Buffalo from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Buffalo departing on 1/16. 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
11:59 pm - 2:15 pmDEN-BUF
12h 16m1 stop
Frontier Logo
11:40 am - 9:38 pmBUF-DEN
11h 58m1 stop
$178Frontier
Find Deal
Fri, Dec 5 - Mon, Dec 15
Frontier Logo
12:59 am - 11:10 amDEN-BUF
8h 11m1 stop
Frontier Logo
3:18 pm - 3:58 amBUF-DEN
38h 40m2 stops
$179Frontier
Find Deal
Sat, Dec 6 - Sun, Dec 14
Frontier Logo
11:00 pm - 10:45 amDEN-BUF
9h 45m2 stops
Frontier Logo
12:35 pm - 9:02 amBUF-DEN
22h 27m1 stop
$180Frontier
Find Deal
Sun, Dec 7 - Thu, Dec 11
Frontier Logo
6:00 am - 12:44 pmDEN-BUF
28h 44m1 stop
Frontier Logo
1:39 pm - 9:45 pmBUF-DEN
10h 06m1 stop
$181Frontier
Find Deal
Thu, Jan 29 - Mon, Feb 2
Frontier Logo
11:59 pm - 2:15 pmDEN-BUF
12h 16m1 stop
Frontier Logo
3:18 pm - 1:46 pmBUF-DEN
24h 28m2 stops
$182Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
12:59 am - 11:10 amDEN-BUF
8h 11m1 stop
Frontier Logo
11:40 am - 9:38 pmBUF-DEN
11h 58m1 stop
$184Frontier
Find Deal
Sat, Dec 6 - Mon, Dec 15
Frontier Logo
11:00 pm - 4:00 pmDEN-BUF
15h 00m1 stop
Frontier Logo
3:18 pm - 10:29 pmBUF-DEN
33h 11m2 stops
$185Frontier
Find Deal
Wed, Dec 3 - Mon, Dec 15
Frontier Logo
6:32 pm - 10:07 amDEN-BUF
13h 35m1 stop
Frontier Logo
1:39 pm - 9:45 pmBUF-DEN
10h 06m1 stop
$186Frontier
Find Deal
Sat, Feb 7 - Sun, Feb 8
Frontier Logo
8:00 am - 7:04 pmDEN-BUF
33h 04m2 stops
Frontier Logo
1:39 pm - 9:45 pmBUF-DEN
10h 06m1 stop
$188Frontier
Find Deal
Wed, Feb 4 - Mon, Feb 9
Multiple Airlines Logo
3:02 pm - 5:38 pmDEN-BUF
24h 36m2 stops
Multiple Airlines Logo
1:15 pm - 9:38 pmBUF-DEN
10h 23m1 stop
$189Multiple Airlines
Find Deal
Fri, Jan 9 - Mon, Jan 12

Frontier flights from Denver to Buffalo

Our best Frontier deals on Denver to Buffalo flight tickets
Frontier
Dec 5
DEN11:59 pmDenver Intl
12h 16m
1 stop
BUF2:15 pmBuffalo
Dec 15
BUF11:40 amBuffalo
11h 58m
1 stop
DEN9:38 pmDenver Intl
$178
Find similar
Frontier
Dec 6
DEN12:59 amDenver Intl
8h 11m
1 stop
BUF11:10 amBuffalo
Dec 14
BUF3:18 pmBuffalo
38h 40m
2 stops
DEN3:58 amDenver Intl
$179
Find similar
Frontier
Dec 7
DEN11:00 pmDenver Intl
9h 45m
2 stops
BUF10:45 amBuffalo
Dec 11
BUF12:35 pmBuffalo
22h 27m
1 stop
DEN9:02 amDenver Intl
$180
Find similar

Delta flights from Denver to Buffalo

Our best Delta deals on Denver to Buffalo flight tickets
Delta
Dec 10
DEN7:10 amDenver Intl
6h 05m
1 stop
BUF3:15 pmBuffalo
Dec 12
BUF6:25 pmBuffalo
7h 42m
1 stop
DEN12:07 amDenver Intl
$219
Find similar
Delta
Dec 4
DEN3:26 pmDenver Intl
5h 32m
1 stop
BUF10:58 pmBuffalo
Dec 15
BUF6:25 pmBuffalo
6h 28m
1 stop
DEN10:53 pmDenver Intl
$238
Find similar
Delta
Dec 4
DEN1:16 pmDenver Intl
8h 43m
1 stop
BUF11:59 pmBuffalo
Dec 10
BUF11:21 amBuffalo
9h 40m
1 stop
DEN7:01 pmDenver Intl
$257
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Buffalo 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 20, 2025.
Use the filters below to find and compare flights from Denver to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 12/5

11:59 pm-2:15 pm

1 stop12h 16m

Buffalo

Mon 12/15

11:40 am-9:38 pm

1 stop11h 58m

$178

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sat 12/6

12:59 am-11:10 am

1 stop8h 11m

Buffalo

Sun 12/14

3:18 pm-3:58 am

2 stops38h 40m

$179

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sun 12/7

11:00 pm-10:45 am

2 stops9h 45m

Buffalo

Thu 12/11

12:35 pm-9:02 am

1 stop22h 27m

$180

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 1/29

6:00 am-12:44 pm

1 stop28h 44m

Buffalo

Mon 2/2

1:39 pm-9:45 pm

1 stop10h 06m

$181

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 12/5

11:59 pm-2:15 pm

1 stop12h 16m

Buffalo

Sun 12/7

3:18 pm-1:46 pm

2 stops24h 28m

$182

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sat 12/6

12:59 am-11:10 am

1 stop8h 11m

Buffalo

Mon 12/15

11:40 am-9:38 pm

1 stop11h 58m

$184

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 12/3

11:00 pm-4:00 pm

1 stop15h 00m

Buffalo

Mon 12/15

3:18 pm-10:29 pm

2 stops33h 11m

$185

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sat 2/7

6:32 pm-10:07 am

1 stop13h 35m

Buffalo

Sun 2/8

1:39 pm-9:45 pm

1 stop10h 06m

$186

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 2/4

8:00 am-7:04 pm

2 stops33h 04m

Buffalo

Mon 2/9

1:39 pm-9:45 pm

1 stop10h 06m

$188

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 1/9

3:02 pm-5:38 pm

2 stops24h 36m

Buffalo

Mon 1/12

1:15 pm-9:38 pm

1 stop10h 23m

$189

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 Buffalo from

How to get the cheapest flight ticket from Denver to Buffalo

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 Buffalo?

If you aren’t able to travel during the month of October, then book flights to Buffalo from Denver during September instead. Flights to Buffalo in September, while not as cheap as those in October, still average around $244.

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

Our data shows that Friday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $235. Flights from Denver to Buffalo on a Saturday will generally be more expensive and average around $422. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the morning is the cheapest time of day to fly from Denver to Buffalo when you can find flight prices for as low as $234. Flying to Buffalo in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $545 per ticket.

What is the cheapest Denver Intl to Buffalo flight route?

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

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

You are more likely to see cheaper flights to Buffalo from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $331 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Denver for as low as $225 on momondo.

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

There are 2 cabin classes available to choose from on Denver Intl to Buffalo 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 Denver to Buffalo flights?

You could potentially save up to 11% on your flight if you consider stops on a Denver to Buffalo flight.

How have Denver to Buffalo flight prices changed over time?

As of November 2025, prices for Denver to Buffalo flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Buffalo

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

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

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

Best Price Found

$188

Fastest flight time

3h 00m

Direct flights

Every day

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Denver in the past 72 hours is $188. The best round-trip flight deal from Denver to Buffalo found on momondo in the last 72 hours is $188.
The fastest flight from Denver to Buffalo takes 3h 00m
Direct flights go from Denver to Buffalo every day.
There is 1 airport near Buffalo: Buffalo (BUF)
Search flight deals

  • How far is Denver Intl to Buffalo by plane?

    The straight-line distance from Denver Intl to Buffalo is 1365.6 mi. In terms of flight time, this usually takes a little over 6h 05m.

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

    Prices for flights from Denver Intl Airport to Buffalo Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Buffalo Airport.

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

    The required travel and health documents for your Buffalo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buffalo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Denver to Buffalo

Compare and see reviews for airlines that fly from Denver to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $120Free CancellationRating
5.8
3,104 reviews
Search Frontier flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
JetBluePriceFrom $230Free CancellationRating
7.2
2,902 reviews
Search JetBlue flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,002 reviews
Search Delta flights
SouthwestPriceFrom $278Free CancellationRating
8.0
4,251 reviews
Search Southwest flights

  • United Airlines Flights From Denver to Buffalo

    United Airlines is one of the most popular airlines flying from Denver to Buffalo, operating 7 flights/week on average for this route. A good United Airlines flight deal for Denver to Buffalo starts from $186 round-trip, up to an average price of $335. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Tonawanda
Grand Island
Williamsville
Lockport
Orchard Park
West Seneca
East Aurora
Bowmansville
Eden
Angola

Why use momondo?

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

Finding the right flight to Buffalo from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buffalo quick and easy, saving you time and money.

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

All flight searches from Denver to Buffalo on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buffalo from Denver.

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

If you are simply researching potential flights to Buffalo, momondo offers a useful price alert feature which will track prices for flights to Buffalo from Denver and alert you when they change.

An easier way to manage your Buffalo trip

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