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$57+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BUF
May 12 — May 191
Mon 5/12
Mon 5/19
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 83 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 May 7, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$201
(Frontier)

One-way from

$62
(Cheapflightsfares)

Popular in

January

Cheapest in

June

Average price

$277

Good round-trip deal

$270 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.
Search Deals
From Denver Intl to Buffalo
Search Deals
One-way flight from Denver Intl to Buffalo
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals
Price to beat on a round-trip flight from Denver Intl to Buffalo.
Search Deals
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 May 7, 2025.

This Frontier deal was found by Cheapflights users on 5/7. 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.
Fri 6/208:07 amDEN - BUF
Nonstop3h 08mFrontier
Fri 6/272:10 pmBUF - DEN
Nonstop3h 52mFrontier
Deal found 5/7$201
This Southwest deal was found by Cheapflights users on 5/7. 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.
Fri 6/62:45 pmDEN - BUF
Nonstop3h 00mSouthwest
Tue 6/104:55 pmBUF - DEN
1 stop7h 20mSouthwest
Deal found 5/7$203
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Fri 5/303:49 pmDEN - BUF
1 stop5h 33mAmerican Airlines
Mon 6/25:10 amBUF - DEN
1 stop5h 26mAmerican Airlines
Deal found 5/7$204
This Booking.com deal was found by Cheapflights users on 5/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/285:07 pmDEN - BUF
1 stop15h 37mMultiple Airlines
Wed 7/25:04 pmBUF - DEN
Nonstop3h 52mMultiple Airlines
Deal found 5/6$223
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Fri 6/61:25 pmDEN - BUF
1 stop5h 36mUnited Airlines
Mon 6/98:20 amBUF - DEN
Nonstop3h 45mUnited Airlines
Deal found 5/6$227
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 6/512:55 amDEN - BUF
1 stop5h 22mDelta
Mon 6/97:33 pmBUF - DEN
1 stop5h 25mDelta
Deal found 5/7$237
This JetBlue deal was found by Cheapflights users on 5/6. 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.
Sun 6/811:59 pmDEN - BUF
1 stop7h 44mJetBlue
Wed 6/113:05 pmBUF - DEN
1 stop9h 54mJetBlue
Deal found 5/6$294

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 May 7, 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

Fri 6/20

8:07 am-1:15 pm

Nonstop3h 08m

Buffalo

Fri 6/27

2:10 pm-4:02 pm

Nonstop3h 52m

$201

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 6/6

2:45 pm-7:45 pm

Nonstop3h 00m

Buffalo

Tue 6/10

4:55 pm-10:15 pm

1 stop7h 20m

$203

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 5/30

3:49 pm-11:22 pm

1 stop5h 33m

Buffalo

Mon 6/2

5:10 am-8:36 am

1 stop5h 26m

$204

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sat 6/28

5:07 pm-10:44 am

1 stop15h 37m

Buffalo

Wed 7/2

5:04 pm-6:56 pm

Nonstop3h 52m

$223

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 6/6

1:25 pm-9:01 pm

1 stop5h 36m

Buffalo

Mon 6/9

8:20 am-10:05 am

Nonstop3h 45m

$227

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 6/5

12:55 am-8:17 am

1 stop5h 22m

Buffalo

Mon 6/9

7:33 pm-10:58 pm

1 stop5h 25m

$237

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Sun 6/8

11:59 pm-9:43 am

1 stop7h 44m

Buffalo

Wed 6/11

3:05 pm-10:59 pm

1 stop9h 54m

$294

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Mon 6/9

11:20 am-4:29 pm

Nonstop3h 09m

$57

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Tue 6/17

5:35 pm-10:45 pm

Nonstop3h 10m

$75

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Tue 7/29

7:45 pm-12:50 am

Nonstop3h 05m

$81

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 13 results
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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 May.
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 May 2, 2025.

The best time to book flights from Denver to Buffalo is 83 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 May 7, 2025.

It’s optimal to fly from Denver to Buffalo in the morning. By choosing this option you can save up to 40% 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 May 5, 2025.

Travelers seeking maximum savings on their Denver to Buffalo flight should consider departing on Tuesday mornings 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 May 7, 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
4,293 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Comfort

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
4,293 reviews
Southwest
8.0
Very good
4,293 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Comfort

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
7,944 reviews
Southwest
8.0
Very good
4,293 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Comfort

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
8,710 reviews
Southwest
8.0
Very good
4,293 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Comfort

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
4,293 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Comfort

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
4,293 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.0

Comfort

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 ($201), American Airlines ($209), and Southwest ($224) offers the cheapest pricing from Denver to Buffalo. Frontier is currently priced 39% 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 $62. Users have also found prices from $75 and $81 on United Airlines and Southwest, respectively.

  • What are the cheapest flights from Denver to Buffalo?

    While on average a flight from Denver to Buffalo is generally $283, our data shows the cheapest flight currently is $115. When looking at the most popular route, (Denver Intl - Buffalo), you can expect to pay $175 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
Williamsville
Amherst
Batavia
Orchard Park
Cheektowaga
West Seneca

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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 May 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$265FlexibilityNo cancel feeOn-time62%
DeltaCheapest$216Average$306FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$216Average$342FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$218Average$343FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$219Average$320FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$292Average$455FlexibilityNo cancel feeOn-time63%

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