What airlines fly to Buffalo?

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Buffalo from Colorado according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 6 different airlines that fly to Buffalo on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Colorado to Buffalo?

Frontier, Delta, and American Airlines are the most popular carriers operating from Colorado to Buffalo

How long does it take to fly to Buffalo?

On average, it takes 2h 55m to fly from Colorado to Buffalo if you fly out of Denver (the most popular airport in Colorado) and into Buffalo (the most popular airport in Buffalo). If you’re flying out of Colorado Springs and into Buffalo, then the flight time is around 5h 35m.

How many flights depart from Colorado to Buffalo on average per week?

4 flights are operational weekly from Colorado to Buffalo as of August 2026. The most popular departure day for this route is Mon, with 50% of flights per week taking off on this day.

When did momondo last update prices for flights from Colorado to Buffalo Airport?

Prices for flights from Colorado to Buffalo Airport are updated daily.

How many operators does momondo search for flights from Colorado to Buffalo Airport?

There are 6 operators available for flights from Colorado to Buffalo Airport as of August 2026.

How old do you have to be to fly from Colorado to Buffalo 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 Colorado to Buffalo Airport.

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

The necessary travel and health documents for your Buffalo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$92 Cheap Flights from Colorado to Buffalo in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Buffalo

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:10 pm - 12:50 pmDEN Denver Intl-BUF Buffalo

15h 40m1 stop Atlanta Hartsfield-Jackson

1:40 pm - 8:04 amBUF Buffalo-DEN Denver Intl

20h 24m1 stop Atlanta Hartsfield-Jackson

$186Frontier

Fri, Oct 2 - Mon, Oct 5

11:48 pm - 12:18 pmDEN Denver Intl-BUF Buffalo

10h 30m1 stop Atlanta Hartsfield-Jackson

1:13 pm - 9:31 amBUF Buffalo-DEN Denver Intl

22h 18m1 stop Atlanta Hartsfield-Jackson

$191Frontier

Sat, Oct 10 - Fri, Oct 16

5:40 am - 3:15 pmDEN Denver Intl-BUF Buffalo

7h 35m1 stop Baltimore/Washington

4:00 pm - 5:30 pmBUF Buffalo-DEN Denver Intl

3h 30mnonstop

$289Southwest

Tue, Oct 13 - Wed, Oct 28

5:30 am - 2:35 pmDEN Denver Intl-BUF Buffalo

7h 05m1 stop Baltimore/Washington

4:55 pm - 6:35 pmBUF Buffalo-DEN Denver Intl

3h 40mnonstop

$291Southwest

Sat, Oct 24 - Mon, Nov 9

8:18 am - 5:18 pmDEN Denver Intl-BUF Buffalo

7h 00m1 stop Chicago O'Hare Intl

6:10 am - 11:33 amBUF Buffalo-DEN Denver Intl

7h 23m1 stop Philadelphia

$299American Airlines

Sat, Sep 12 - Sat, Sep 19

2:22 pm - 11:09 pmDEN Denver Intl-BUF Buffalo

6h 47m1 stop Detroit Metropolitan Wayne County

5:13 pm - 11:02 pmBUF Buffalo-DEN Denver Intl

7h 49m1 stop Atlanta Hartsfield-Jackson

$299Delta

Tue, Sep 1 - Wed, Sep 2

12:59 am - 8:15 amDEN Denver Intl-BUF Buffalo

5h 16m1 stop Detroit Metropolitan Wayne County

6:40 am - 9:52 amBUF Buffalo-DEN Denver Intl

5h 12m1 stop Detroit Metropolitan Wayne County

$299Delta

Sun, Aug 30 - Sat, Sep 5

5:25 pm - 10:37 pmDEN Denver Intl-BUF Buffalo

3h 12mnonstop

8:55 am - 10:32 amBUF Buffalo-DEN Denver Intl

3h 37mnonstop

$300United Airlines

Fri, Sep 11 - Tue, Sep 15

5:25 pm - 10:37 pmDEN Denver Intl-BUF Buffalo

3h 12mnonstop

5:58 pm - 11:28 pmBUF Buffalo-DEN Denver Intl

7h 30m1 stop Chicago O'Hare Intl

$310United Airlines

Thu, Sep 10 - Mon, Sep 14

7:16 am - 10:10 pmDEN Denver Intl-BUF Buffalo

12h 54m1 stop Chicago O'Hare Intl

6:56 pm - 12:17 amBUF Buffalo-DEN Denver Intl

7h 21m1 stop Chicago O'Hare Intl

$340American Airlines

Thu, Sep 17 - Mon, Sep 21

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 7:06 pmDEN Denver Intl-BUF Buffalo

11h 06m1 stop Orlando

11:36 am - 10:05 pmBUF Buffalo-DEN Denver Intl

12h 29m1 stop Atlanta Hartsfield-Jackson

$375Frontier

Tue, Aug 11 - Tue, Aug 25

6:00 am - 4:32 pmDEN Denver Intl-BUF Buffalo

8h 32m1 stop Orlando

12:28 pm - 10:28 pmBUF Buffalo-DEN Denver Intl

12h 00m1 stop Atlanta Hartsfield-Jackson

$380Frontier

Thu, Aug 13 - Sat, Aug 15

5:03 am - 3:59 pmDEN Denver Intl-BUF Buffalo

8h 56m2 stops Dallas/Fort Worth Charlotte Douglas

10:30 am - 4:53 pmBUF Buffalo-DEN Denver Intl

8h 23m1 stop Chicago O'Hare Intl

$837American Airlines

Tue, Aug 11 - Tue, Aug 25

1:20 pm - 9:55 pmDEN Denver Intl-BUF Buffalo

6h 35m1 stop Charlotte Douglas

5:40 pm - 11:59 pmBUF Buffalo-DEN Denver Intl

8h 19m2 stops New York LaGuardia Chicago O'Hare Intl

$837American Airlines

Tue, Aug 11 - Tue, Aug 25

1:15 pm - 8:50 pmCOS Colorado Springs-BUF Buffalo

5h 35m1 stop Chicago Midway

7:25 am - 3:50 pmBUF Buffalo-COS Colorado Springs

10h 25m2 stops Las Vegas Harry Reid Intl San Diego

$857Southwest

Thu, Aug 13 - Sun, Aug 16

7:20 am - 6:25 pmCOS Colorado Springs-BUF Buffalo

9h 05m2 stops Denver Intl Baltimore/Washington

7:25 am - 3:50 pmBUF Buffalo-COS Colorado Springs

10h 25m2 stops Las Vegas Harry Reid Intl San Diego

$862Southwest

Thu, Aug 13 - Sun, Aug 16

1:25 pm - 9:07 pmDEN Denver Intl-BUF Buffalo

5h 42m1 stop Chicago O'Hare Intl

8:55 am - 10:32 amBUF Buffalo-DEN Denver Intl

3h 37mnonstop

$863United Airlines

Tue, Aug 11 - Tue, Aug 25

5:25 pm - 10:37 pmDEN Denver Intl-BUF Buffalo

3h 12mnonstop

8:55 am - 10:32 amBUF Buffalo-DEN Denver Intl

3h 37mnonstop

$906United Airlines

Tue, Aug 11 - Tue, Aug 25

6:00 am - 5:30 pmDEN Denver Intl-BUF Buffalo

9h 30m2 stops Atlanta Hartsfield-Jackson New York LaGuardia

10:00 am - 5:57 pmBUF Buffalo-DEN Denver Intl

9h 57m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$1,769Delta

Tue, Aug 11 - Tue, Aug 25

7:19 am - 7:19 pmDEN Denver Intl-BUF Buffalo

10h 00m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

2:27 pm - 11:34 pmBUF Buffalo-DEN Denver Intl

11h 07m2 stops New York LaGuardia Minneapolis St Paul

$1,813Delta

Thu, Aug 13 - Mon, Aug 17

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Frontier flights from Colorado to Buffalo

Our best Frontier deals on Colorado to Buffalo flight tickets

Frontier

Oct 2

DEN7:10 pmDenver Intl

15h 40m

1 stop

BUF12:50 pmBuffalo

Oct 5

BUF1:40 pmBuffalo

20h 24m

1 stop

DEN8:04 amDenver Intl

$186

Frontier

Oct 10

DEN11:48 pmDenver Intl

10h 30m

1 stop

BUF12:18 pmBuffalo

Oct 16

BUF1:13 pmBuffalo

22h 18m

1 stop

DEN9:31 amDenver Intl

$191

Frontier

Sep 11

DEN7:10 pmDenver Intl

15h 40m

1 stop

BUF12:50 pmBuffalo

Sep 14

BUF1:40 pmBuffalo

9h 44m

1 stop

DEN9:24 pmDenver Intl

$195

United Airlines flights from Colorado to Buffalo

Our best United Airlines deals on Colorado to Buffalo flight tickets

United Airlines

Sep 10

COS11:55 amColorado Springs

7h 12m

1 stop

BUF9:07 pmBuffalo

Sep 16

BUF7:00 amBuffalo

5h 47m

1 stop

COS10:47 amColorado Springs

$327

United Airlines

Sep 10

COS5:30 amColorado Springs

9h 26m

2 stops

BUF4:56 pmBuffalo

Sep 16

BUF7:00 amBuffalo

5h 47m

1 stop

COS10:47 amColorado Springs

$348

United Airlines

Nov 7

COS1:28 pmColorado Springs

7h 10m

1 stop

BUF10:38 pmBuffalo

Nov 10

BUF10:51 amBuffalo

11h 58m

2 stops

COS8:49 pmColorado Springs

$406

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Fri 10/2

7:10 pm-12:50 pm

1 stop15h 40m

Buffalo

Mon 10/5

1:40 pm-8:04 am

1 stop20h 24m

$186

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Sat 10/10

11:48 pm-12:18 pm

1 stop10h 30m

Buffalo

Fri 10/16

1:13 pm-9:31 am

1 stop22h 18m

$191

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

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

Tue 9/1

2:22 pm-11:09 pm

1 stop6h 47m

Buffalo

Wed 9/2

5:13 pm-11:02 pm

1 stop7h 49m

$299

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Sun 8/30

12:59 am-8:15 am

1 stop5h 16m

Buffalo

Sat 9/5

6:40 am-9:52 am

1 stop5h 12m

$299

Quickest round-trip

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Fri 9/11

5:25 pm-10:37 pm

Nonstop3h 12m

Buffalo

Tue 9/15

8:55 am-10:32 am

Nonstop3h 37m

$300

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Thu 9/10

5:25 pm-10:37 pm

Nonstop3h 12m

Buffalo

Mon 9/14

5:58 pm-11:28 pm

1 stop7h 30m

$310

DenverBuffalo

DEN Denver Intl - BUF Buffalo

DENBUF

Denver Intl

Thu 9/17

7:16 am-10:10 pm

1 stop12h 54m

Buffalo

Mon 9/21

6:56 pm-12:17 am

1 stop7h 21m

$340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado 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

Prices

Airlines

Other information

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 Colorado during October instead. Flights to Buffalo in October, while not as cheap as those in February, still average around $298.

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 $264. Flights from Colorado 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 Colorado 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 Colorado to Buffalo flight route?

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

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

You are more likely to see cheaper flights to Buffalo from Colorado 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 Colorado for as low as $260 on momondo.

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

There are 4 cabin classes available to choose from on Colorado 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 Colorado to Buffalo flights?

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

Cheap Colorado to Buffalo flight deals and tips

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

Best Price Found	$218
Fastest flight time	3h 08m
Direct flights	Every day
Airports in Buffalo	1 airport

The best one-way flight to Buffalo from Colorado in the past 72 hours is $218. The best round-trip flight deal from Colorado to Buffalo found on momondo in the last 72 hours is $420.

The fastest flight from Colorado to Buffalo takes 3h 08m

Direct flights go from Colorado to Buffalo every day.

There is 1 airport in Buffalo. From Colorado there are direct flights to Buffalo (BUF).

Search flight deals

Frequently asked questions about flying from Colorado to Buffalo

When did momondo last update prices for flights from Colorado to Buffalo Airport?
Prices for flights from Colorado to Buffalo Airport are updated daily.
How many operators does momondo search for flights from Colorado to Buffalo Airport?
There are 6 operators available for flights from Colorado to Buffalo Airport as of August 2026.
How old do you have to be to fly from Colorado to Buffalo 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 Colorado to Buffalo Airport.
What documentation or ID do you need to fly to Buffalo Airport?
The necessary travel and health documents for your Buffalo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Colorado to Buffalo?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Colorado to Buffalo is Boeing 737-800 (47.43% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (26.47%), Boeing 737 (9.93%), and Boeing 737-800 Passenger/BBJ2 (winglets) (8.09%).

Best airlines flying from Colorado to Buffalo

Compare and see reviews for airlines that fly from Colorado to Buffalo with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $85	Free Cancellation	Rating 5.6 2,707 reviews	Search Frontier flights
JetBlue	PriceFrom $129	Free Cancellation	Rating 7.1 3,034 reviews	Search JetBlue flights
American Airlines	PriceFrom $193	Free Cancellation	Rating 7.1 11,902 reviews	Search American Airlines flights
Delta	PriceFrom $198	Free Cancellation	Rating 7.8 8,506 reviews	Search Delta flights
United Airlines	PriceFrom $213	Free Cancellation	Rating 7.4 10,102 reviews	Search United Airlines flights
Southwest	PriceFrom $307	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights

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 Colorado to Buffalo?

It is quick and easy to find Colorado to Buffalo 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 Buffalo that suits you.

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

momondo does allow users to show only those flights to Buffalo from Colorado which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Buffalo from Colorado. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Colorado to Buffalo 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 9/10

Thu 9/17

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Colorado

Complete your trip

Feeling lucky

Cheap flights from Colorado to Buffalo from $92

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Buffalo departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Colorado to Buffalo

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Frontier flights from Colorado to Buffalo

Our best Frontier deals on Colorado to Buffalo flight tickets

United Airlines flights from Colorado to Buffalo

Our best United Airlines deals on Colorado to Buffalo flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Colorado to Buffalo that are best for you.

See travel insights to Buffalo from

How to get the cheapest flight ticket from Colorado to Buffalo

What is the cheapest month to fly to Buffalo?

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

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

What is the cheapest Colorado to Buffalo flight route?

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

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

Can stopping save me money on Colorado to Buffalo flights?

What is the cheapest airline that flies from Colorado to Buffalo?

What airlines fly to Buffalo?

How many flights depart from Colorado to Buffalo on average per week?

How long does it take to fly to Buffalo?

Cheap Colorado to Buffalo flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Buffalo

Frequently asked questions about flying from Colorado to Buffalo

Best airlines flying from Colorado to Buffalo

Compare and see reviews for airlines that fly from Colorado to Buffalo with momondo

Traveling to a place near Buffalo?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing New York

Fly your favorite airline to Buffalo

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buffalo

List of cabin classes available on flights landing in Buffalo. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Colorado

According to popular flight searches on momondo this year

Complete your trip to Buffalo

Explore popular destinations other users love

According to popular flight searches on momondo this year