Cheap flights from Denver to Buffalo from $87

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 11/10. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Denver to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:48 pm - 12:18 pmDEN  Denver Intl-BUF Buffalo
10h 30m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
1:13 pm - 10:33 pmBUF  Buffalo-DEN Denver Intl
11h 20m1 stop Atlanta Hartsfield-Jackson
$177Frontier
Tue, Oct 13 - Wed, Oct 28
Frontier Logo
7:10 pm - 12:50 pmDEN  Denver Intl-BUF Buffalo
15h 40m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
1:40 pm - 9:03 pmBUF  Buffalo-DEN Denver Intl
9h 23m1 stop Atlanta Hartsfield-Jackson
$184Frontier
Fri, Sep 11 - Wed, Sep 16
United Airlines Logo
5:25 pm - 10:37 pmDEN  Denver Intl-BUF Buffalo
3h 12mnonstop
United Airlines Logo
8:55 am - 10:32 amBUF  Buffalo-DEN Denver Intl
3h 37mnonstop
$258United Airlines
Tue, Sep 8 - Tue, Sep 15
United Airlines Logo
5:25 pm - 10:37 pmDEN  Denver Intl-BUF Buffalo
3h 12mnonstop
United Airlines Logo
8:45 am - 10:22 amBUF  Buffalo-DEN Denver Intl
3h 37mnonstop
$258United Airlines
Wed, Sep 9 - Wed, Sep 30
Southwest Logo
5:40 am - 3:15 pmDEN  Denver Intl-BUF Buffalo
7h 35m1 stop Baltimore/Washington
Southwest Logo
4:00 pm - 5:30 pmBUF  Buffalo-DEN Denver Intl
3h 30mnonstop
$289Southwest
Tue, Oct 13 - Wed, Oct 28
Southwest Logo
5:30 am - 2:35 pmDEN  Denver Intl-BUF Buffalo
7h 05m1 stop Baltimore/Washington
Southwest Logo
4:55 pm - 6:35 pmBUF  Buffalo-DEN Denver Intl
3h 40mnonstop
$291Southwest
Sat, Oct 24 - Mon, Nov 9
Multiple Airlines Logo
3:15 pm - 11:57 pmDEN  Denver Intl-BUF Buffalo
6h 42m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
1:40 pm - 9:24 pmBUF  Buffalo-DEN Denver Intl
9h 44m1 stop Atlanta Hartsfield-Jackson
$292Multiple Airlines
Fri, Oct 2 - Mon, Oct 5
American Airlines Logo
8:00 am - 5:08 pmDEN  Denver Intl-BUF Buffalo
7h 08m1 stop Chicago O'Hare Intl
American Airlines Logo
8:00 am - 11:37 amBUF  Buffalo-DEN Denver Intl
5h 37m1 stop Chicago O'Hare Intl
$299American Airlines
Wed, Oct 7 - Sat, Oct 10
American Airlines Logo
8:18 am - 5:18 pmDEN  Denver Intl-BUF Buffalo
7h 00m1 stop Chicago O'Hare Intl
American Airlines Logo
6:10 am - 11:33 amBUF  Buffalo-DEN Denver Intl
7h 23m1 stop Philadelphia
$299American Airlines
Sat, Sep 12 - Sat, Sep 19
Multiple Airlines Logo
3:15 pm - 11:52 pmDEN  Denver Intl-BUF Buffalo
6h 37m1 stop New York John F Kennedy Intl
Multiple Airlines Logo
1:40 pm - 9:24 pmBUF  Buffalo-DEN Denver Intl
9h 44m1 stop Atlanta Hartsfield-Jackson
$327Multiple Airlines
Sat, Sep 12 - Sat, Sep 19

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Frontier flights from Denver to Buffalo

Our best Frontier deals on Denver to Buffalo flight tickets
Frontier
Oct 13
DEN11:48 pmDenver Intl
10h 30m
1 stop
BUF12:18 pmBuffalo
Oct 28
BUF1:13 pmBuffalo
11h 20m
1 stop
DEN10:33 pmDenver Intl
$177
Frontier
Sep 11
DEN7:10 pmDenver Intl
15h 40m
1 stop
BUF12:50 pmBuffalo
Sep 16
BUF1:40 pmBuffalo
9h 23m
1 stop
DEN9:03 pmDenver Intl
$184
Frontier
Sep 1
DEN11:59 pmDenver Intl
8h 30m
1 stop
BUF10:29 amBuffalo
Sep 29
BUF6:51 pmBuffalo
15h 01m
1 stop
DEN7:52 amDenver Intl
$186

Southwest flights from Denver to Buffalo

Our best Southwest deals on Denver to Buffalo flight tickets
Southwest
Aug 24
DEN5:00 amDenver Intl
8h 15m
2 stops
BUF3:15 pmBuffalo
Aug 27
BUF11:45 amBuffalo
9h 00m
2 stops
DEN6:45 pmDenver Intl
$605
Southwest
Aug 18
DEN11:15 amDenver Intl
7h 20m
2 stops
BUF8:35 pmBuffalo
Aug 25
BUF6:00 amBuffalo
7h 40m
2 stops
DEN11:40 amDenver Intl
$836
Southwest
Aug 20
DEN4:05 pmDenver Intl
3h 05m
BUF9:10 pmBuffalo
Aug 23
BUF4:30 pmBuffalo
3h 25m
DEN5:55 pmDenver Intl
$947

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 12, 2026.
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

Cheapest round-trip

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Tue 10/13

11:48 pm-12:18 pm

1 stop10h 30m

Buffalo

Wed 10/28

1:13 pm-10:33 pm

1 stop11h 20m

$177

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Fri 9/11

7:10 pm-12:50 pm

1 stop15h 40m

Buffalo

Wed 9/16

1:40 pm-9:03 pm

1 stop9h 23m

$184
Quickest round-trip

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Tue 9/8

5:25 pm-10:37 pm

Nonstop3h 12m

Buffalo

Tue 9/15

8:55 am-10:32 am

Nonstop3h 37m

$258

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Wed 9/9

5:25 pm-10:37 pm

Nonstop3h 12m

Buffalo

Wed 9/30

8:45 am-10:22 am

Nonstop3h 37m

$258

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Tue 10/13

5:40 am-3:15 pm

1 stop7h 35m

Buffalo

Wed 10/28

4:00 pm-5:30 pm

Nonstop3h 30m

$289

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Sat 10/24

5:30 am-2:35 pm

1 stop7h 05m

Buffalo

Mon 11/9

4:55 pm-6:35 pm

Nonstop3h 40m

$291

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Fri 10/2

3:15 pm-11:57 pm

1 stop6h 42m

Buffalo

Mon 10/5

1:40 pm-9:24 pm

1 stop9h 44m

$292

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Wed 10/7

8:00 am-5:08 pm

1 stop7h 08m

Buffalo

Sat 10/10

8:00 am-11:37 am

1 stop5h 37m

$299

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Sat 9/12

8:18 am-5:18 pm

1 stop7h 00m

Buffalo

Sat 9/19

6:10 am-11:33 am

1 stop7h 23m

$299

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Sat 9/12

3:15 pm-11:52 pm

1 stop6h 37m

Buffalo

Sat 9/19

1:40 pm-9:24 pm

1 stop9h 44m

$327

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 typical price of a round-trip flight between Denver and Buffalo?

Prices are currently low for flights on this route.

Typical prices usually range from $304 to $555.
The lowest price recently found on this route was $177.

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of February, then book flights to Buffalo from Denver during January instead. Flights to Buffalo in January, while not as cheap as those in February, still average around $286.

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 $329. Flights from Denver to Buffalo on a Monday will generally be more expensive and average around $556. 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 $344. 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 $537 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 from Denver 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 $379 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 $260 on momondo.

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

There are 4 cabin classes available to choose from on Denver 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?

No. A direct flight is the cheapest option for a flight between Denver to Buffalo.

How have Denver to Buffalo flight prices changed over time?

As of August 2026, prices for Denver to Buffalo flights are approximately 58% 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

$218

Fastest flight time

3h 05m

Direct flights

Every day

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Denver in the past 72 hours is $218. The best round-trip flight deal from Denver to Buffalo found on momondo in the last 72 hours is $420.
The fastest flight from Denver to Buffalo takes 3h 05m
Direct flights go from Denver to Buffalo every day.
There is 1 airport in Buffalo. From Denver there are direct flights to Buffalo (BUF).

Frequently asked questions about flying from Denver to Buffalo

  • 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 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 $85Free CancellationRating
5.6
2,701 reviews
Search Frontier flights
JetBluePriceFrom $129Free CancellationRating
7.1
3,035 reviews
Search JetBlue flights
American AirlinesPriceFrom $193Free CancellationRating
7.1
11,910 reviews
Search American Airlines flights
DeltaPriceFrom $198Free CancellationRating
7.8
8,505 reviews
Search Delta flights
United AirlinesPriceFrom $213Free CancellationRating
7.4
10,111 reviews
Search United Airlines flights
SouthwestPriceFrom $307Free CancellationRating
8.0
4,220 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 $307 round-trip, up to an average price of $494. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Denver to Buffalo

    United Airlines (7.4/10 from 10,111 reviews) operates around 7 flights from Denver to Buffalo in any given week. The average United Airlines airfare for this route is around $452, with deals from around $213 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
Amherst
Tonawanda
Williamsville
Orchard Park
Grand Island
Bowmansville
West Seneca
Lockport
East Aurora
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Fri 9/11
Fri 9/18

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