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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 9/29. 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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Find the cheapest flights from Denver to Buffalo

Cheap round-trip flights

Frontier Logo
11:13 am - 4:29 pmDEN-BUF
3h 16mnonstop
Frontier Logo
5:24 pm - 7:04 pmBUF-DEN
3h 40mnonstop
$152Frontier
Find Deal
Fri, Oct 17 - Mon, Oct 20
Frontier Logo
12:04 am - 6:14 pmDEN-BUF
16h 10m1 stop
Frontier Logo
4:58 pm - 6:39 pmBUF-DEN
3h 41mnonstop
$153Frontier
Find Deal
Thu, Sep 18 - Mon, Sep 22
Frontier Logo
10:48 am - 4:02 pmDEN-BUF
3h 14mnonstop
Frontier Logo
7:11 pm - 8:09 amBUF-DEN
14h 58m1 stop
$154Frontier
Find Deal
Sun, Sep 7 - Sat, Sep 13
Frontier Logo
11:10 am - 8:53 pmDEN-BUF
7h 43m1 stop
Frontier Logo
2:42 pm - 9:28 pmBUF-DEN
8h 46m1 stop
$155Frontier
Find Deal
Fri, Nov 7 - Mon, Nov 10
Frontier Logo
11:59 pm - 12:35 pmDEN-BUF
10h 36m1 stop
Frontier Logo
12:15 pm - 9:26 pmBUF-DEN
11h 11m1 stop
$159Frontier
Find Deal
Sat, Oct 25 - Mon, Oct 27
Frontier Logo
12:04 am - 5:22 pmDEN-BUF
15h 18m1 stop
Frontier Logo
12:17 pm - 8:47 pmBUF-DEN
10h 30m1 stop
$160Frontier
Find Deal
Sat, Sep 27 - Fri, Oct 3
Frontier Logo
10:48 am - 4:02 pmDEN-BUF
3h 14mnonstop
Frontier Logo
7:11 pm - 10:30 amBUF-DEN
17h 19m1 stop
$162Frontier
Find Deal
Sun, Sep 7 - Sat, Sep 13
Frontier Logo
11:13 am - 4:29 pmDEN-BUF
3h 16mnonstop
Frontier Logo
5:24 pm - 7:04 pmBUF-DEN
3h 40mnonstop
$163Frontier
Find Deal
Fri, Oct 24 - Mon, Oct 27
Logo
12:59 am - 1:47 pmDEN-BUF
10h 48m1 stop
Logo
2:42 pm - 11:43 pmBUF-DEN
35h 01m2 stops
$183
Find Deal
Thu, Nov 6 - Mon, Nov 10
United Airlines Logo
5:38 pm - 10:52 pmDEN-BUF
3h 14mnonstop
United Airlines Logo
8:04 am - 9:50 amBUF-DEN
3h 46mnonstop
$217United Airlines
Find Deal
Fri, Nov 7 - Mon, Nov 10

Frontier flights from Denver to Buffalo

Our best Frontier deals on Denver to Buffalo flight tickets
Frontier
Oct 17
DEN11:13 amDenver Intl
3h 16m
BUF4:29 pmBuffalo
Oct 20
BUF5:24 pmBuffalo
3h 40m
DEN7:04 pmDenver Intl
$152
Find similar
Frontier
Sep 18
DEN12:04 amDenver Intl
16h 10m
1 stop
BUF6:14 pmBuffalo
Sep 22
BUF4:58 pmBuffalo
3h 41m
DEN6:39 pmDenver Intl
$153
Find similar
Frontier
Sep 7
DEN10:48 amDenver Intl
3h 14m
BUF4:02 pmBuffalo
Sep 13
BUF7:11 pmBuffalo
14h 58m
1 stop
DEN8:09 amDenver Intl
$154
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 August 28, 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 10/17

11:13 am-4:29 pm

Nonstop3h 16m

Buffalo

Mon 10/20

5:24 pm-7:04 pm

Nonstop3h 40m

$152

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 9/18

12:04 am-6:14 pm

1 stop16h 10m

Buffalo

Mon 9/22

4:58 pm-6:39 pm

Nonstop3h 41m

$153

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sun 9/7

10:48 am-4:02 pm

Nonstop3h 14m

Buffalo

Sat 9/13

7:11 pm-8:09 am

1 stop14h 58m

$154

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 11/7

11:10 am-8:53 pm

1 stop7h 43m

Buffalo

Mon 11/10

2:42 pm-9:28 pm

1 stop8h 46m

$155

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sat 10/25

11:59 pm-12:35 pm

1 stop10h 36m

Buffalo

Mon 10/27

12:15 pm-9:26 pm

1 stop11h 11m

$159

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sat 9/27

12:04 am-5:22 pm

1 stop15h 18m

Buffalo

Fri 10/3

12:17 pm-8:47 pm

1 stop10h 30m

$160

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sun 9/7

10:48 am-4:02 pm

Nonstop3h 14m

Buffalo

Sat 9/13

7:11 pm-10:30 am

1 stop17h 19m

$162

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 10/24

11:13 am-4:29 pm

Nonstop3h 16m

Buffalo

Mon 10/27

5:24 pm-7:04 pm

Nonstop3h 40m

$163

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 11/6

12:59 am-1:47 pm

1 stop10h 48m

Buffalo

Mon 11/10

2:42 pm-11:43 pm

2 stops35h 01m

$183

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 11/7

5:38 pm-10:52 pm

Nonstop3h 14m

Buffalo

Mon 11/10

8:04 am-9:50 am

Nonstop3h 46m

$217

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 August, then book flights to Buffalo from Denver during July instead. Flights to Buffalo in July, while not as cheap as those in August, still average around $281.

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

Our data shows that Monday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $246. Flights from Denver to Buffalo on a Saturday will generally be more expensive and average around $416. 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 $243. Flying to Buffalo in the morning is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Buffalo, so prices are often more expensive at around $421 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 $337 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 $240 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.

How have Denver to Buffalo flight prices changed over time?

As of August 2025, prices for Denver to Buffalo flights are approximately 41% 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

$99

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 $99. The best round-trip flight deal from Denver to Buffalo found on momondo in the last 72 hours is $174.
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 3h 14m.

  • 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 $127Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
American AirlinesPriceFrom $182Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
DeltaPriceFrom $220Free CancellationRating
7.9
7,977 reviews
Search Delta flights
JetBluePriceFrom $229Free CancellationRating
7.2
2,920 reviews
Search JetBlue flights
SouthwestPriceFrom $288Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • Southwest Flights From Denver to Buffalo

    Southwest is one of the most popular airlines flying from Denver to Buffalo, operating 5 flights/week on average for this route. A good Southwest flight deal for Denver to Buffalo starts from $288 round-trip, up to an average price of $426. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Denver to Buffalo

    United Airlines (7.4/10 from 8,944 reviews) operates around 7 flights from Denver to Buffalo in any given week. The average United Airlines airfare for this route is around $335, with deals from around $186 rare but found on momondo. Referenced prices are for round-trip Denver to Buffalo flight searches in the last 72 hours.

Traveling to a place near Buffalo?

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

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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