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$68+ Cheap flights from Denver to Buffalo (DEN - BUF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BUF
abr. 30 — may. 71
mié. 4/30
mié. 5/7
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Buffalo are usually found in June or May, booked 71 days in advance, depart on a Saturday or Monday and return on a Wednesday

Cheap flight deals from Denver to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Buffalo (BUF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$138
(Frontier)

One-way from

$68
(Cheapflightsfares)

Popular in

January

Cheapest in

June

Average price

$343

Good round-trip deal

$231 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for Denver Intl-Buffalo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Buffalo flights.
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From Denver Intl to Buffalo
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One-way flight from Denver Intl to Buffalo
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Denver Intl to Buffalo.
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Price to beat on a one-way flight from Denver Intl to Buffalo.
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Find flight deals from Denver to Buffalo

Cheapest flights from Denver to Buffalo
Explore the most affordable flight options available from Denver to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 25, 2025.

This Frontier deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/611:10 amDEN - BUF
Nonstop3h 09mFrontier
lun. 6/95:24 pmBUF - DEN
Nonstop3h 52mFrontier
Deal found 4/25$138
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/181:52 pmDEN - BUF
1 stop8h 07mUnited Airlines
dom. 9/218:33 amBUF - DEN
Nonstop3h 36mUnited Airlines
Deal found 4/24$227
This American Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/412:19 pmDEN - BUF
1 stop9h 03mAmerican Airlines
mié. 6/118:00 amBUF - DEN
1 stop10h 44mAmerican Airlines
Deal found 4/24$231
This Delta deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1712:59 amDEN - BUF
1 stop8h 14mDelta
sáb. 9/277:30 pmBUF - DEN
1 stop6h 17mDelta
Deal found 4/25$237
This JetBlue deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/1610:38 pmDEN - BUF
1 stop8h 58mJetBlue
sáb. 5/243:05 pmBUF - DEN
1 stop9h 54mJetBlue
Deal found 4/24$267
This CheapOair deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/148:07 amDEN - BUF
Nonstop3h 09mMultiple Airlines
jue. 7/3111:41 amBUF - DEN
1 stop8h 20mMultiple Airlines
Deal found 4/25$294
This Southwest deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/206:40 pmDEN - BUF
Nonstop3h 05mSouthwest
sáb. 7/268:20 pmBUF - DEN
1 stop5h 05mSouthwest
Deal found 4/25$327

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated abril 25, 2025.
Use the filters below to find and compare flights from Denver to Buffalo that are best for you.

Fly from

Denver

Fly to

Buffalo

Route

Depart

Return

Price

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

vie. 6/6

11:10 am-4:19 pm

Nonstop3h 09m

Buffalo

lun. 6/9

5:24 pm-7:16 pm

Nonstop3h 52m

$138

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

jue. 9/18

1:52 pm-11:59 pm

1 stop8h 07m

Buffalo

dom. 9/21

8:33 am-10:09 am

Nonstop3h 36m

$227

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

mié. 6/4

12:19 pm-11:22 pm

1 stop9h 03m

Buffalo

mié. 6/11

8:00 am-4:44 pm

1 stop10h 44m

$231

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

mié. 9/17

12:55 am-8:26 am

1 stop5h 31m

Buffalo

dom. 9/28

3:30 pm-10:15 pm

1 stop8h 45m

$237

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

vie. 5/16

10:38 pm-9:36 am

1 stop8h 58m

Buffalo

sáb. 5/24

3:05 pm-10:59 pm

1 stop9h 54m

$267

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

lun. 7/14

8:07 am-1:16 pm

Nonstop3h 09m

Buffalo

jue. 7/31

11:41 am-6:01 pm

1 stop8h 20m

$294

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

dom. 7/20

6:40 pm-11:45 pm

Nonstop3h 05m

Buffalo

sáb. 7/26

8:20 pm-11:25 pm

1 stop5h 05m

$327

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

vie. 6/6

11:10 am-4:19 pm

Nonstop3h 09m

$68

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

vie. 7/11

5:45 pm-10:55 pm

Nonstop3h 10m

$109

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

lun. 6/16

1:50 pm-12:38 am

1 stop8h 48m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 14 results
1
2

Compare providers for flights from Denver to Buffalo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Buffalo in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Buffalo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Buffalo

How far ahead should I book a flight from Denver to Buffalo?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Buffalo. Price data was last updated on April 18, 2025.

The best time to book flights from Denver to Buffalo is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver to Buffalo?

Currently, January is the cheapest month in which you can book a flight from Denver to Buffalo (average of $256). Flying from Denver to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to BUF?

Find hourly flight availability from Denver to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 25, 2025.

It’s optimal to fly from Denver to Buffalo in the morning. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Denver to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from Denver to Buffalo. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Denver to Buffalo flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buffalo. Reviews last updated abril 25, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Denver to Buffalo to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,289 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,289 reviews

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Denver to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Denver to Buffalo flight route?

    This flight path from Denver Intl to Buffalo was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Denver to Buffalo round-trip?

    According to our current data, Frontier ($138), United Airlines ($227), and American Airlines ($231) offers the cheapest pricing from Denver to Buffalo. Frontier is currently priced 58% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Denver to Buffalo one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $68. Users have also found prices from $109 and $118 on United Airlines and American Airlines, respectively.

  • What are the cheapest flights from Denver to Buffalo?

    While on average a flight from Denver to Buffalo is generally $266, our data shows the cheapest flight currently is $99. When looking at the most popular route, (Denver Intl - Buffalo), you can expect to pay $186 for that flight.

  • Can I find deals for flights from Denver to Buffalo that include hotel bookings?

    Yes. In addition to deals on Denver to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Buffalo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Buffalo.

  • Can I find deals for business class flights from Denver to Buffalo?

    Yes. Cheapflights offers flight deals from Denver to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Denver to Buffalo (average of $256). Flying from Denver to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
West Seneca
Williamsville
Amherst
Batavia
Orchard Park
Cheektowaga

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Top 6 airlines flying from Denver to Buffalo

Discover the top 6 airlines that operate flights from Denver to Buffalo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$116Average$258FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$216Average$342FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$307FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$219Average$320FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$228Average$350FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$290Average$452FlexibilityNo cancel feeOn-time63%

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