$386 Cheap Flights from Copenhagen (CPH) to Buffalo (BUF)

View $386 flight on Thu, Sep 24, 2026Opens in a new window

Popular airlines from Copenhagen Airport, Kastrup (CPH) to Buffalo Niagara Intl. Airport (BUF)

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Cheap Flights from Copenhagen to Buffalo (CPH-BUF)

Prices were available within the past 7 days and start at $386 for one-way flights and $703 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Sun, Apr 26 - Thu, Apr 30
CPH
Copenhagen
BUF
Buffalo
$703 Roundtrip, found 2 days ago
$703
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sun, Apr 26 from Copenhagen to Buffalo, returning Thu, Apr 30, priced at $703 found 2 days ago
Lufthansa
Sun, Apr 26 - Tue, May 5
CPH
Copenhagen
BUF
Buffalo
$707 Roundtrip, found 1 day ago
$707
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Apr 26 from Copenhagen to Buffalo, returning Tue, May 5, priced at $707 found 1 day ago
Lufthansa
Sun, Apr 26 - Tue, May 5
CPH
Copenhagen
BUF
Buffalo
$708 Roundtrip, found 1 day ago
$708
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Apr 26 from Copenhagen to Buffalo, returning Tue, May 5, priced at $708 found 1 day ago
Lufthansa
Sun, Apr 26 - Tue, May 5
CPH
Copenhagen
BUF
Buffalo
$710 Roundtrip, found 1 day ago
$710
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Apr 26 from Copenhagen to Buffalo, returning Tue, May 5, priced at $710 found 1 day ago
Lufthansa
Sun, Apr 26 - Thu, Apr 30
CPH
Copenhagen
BUF
Buffalo
$716 Roundtrip, found 2 days ago
$716
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sun, Apr 26 from Copenhagen to Buffalo, returning Thu, Apr 30, priced at $716 found 2 days ago
Lufthansa
Sun, Apr 26 - Tue, May 5
CPH
Copenhagen
BUF
Buffalo
$719 Roundtrip, found 1 day ago
$719
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Apr 26 from Copenhagen to Buffalo, returning Tue, May 5, priced at $719 found 1 day ago
Swiss International Air Lines
Sun, Apr 26 - Tue, May 5
CPH
Copenhagen
BUF
Buffalo
$756 Roundtrip, found 1 day ago
$756
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sun, Apr 26 from Copenhagen to Buffalo, returning Tue, May 5, priced at $756 found 1 day ago
Iberia
Sun, Apr 26 - Tue, May 5
CPH
Copenhagen
BUF
Buffalo
$862 Roundtrip, found 1 day ago
$862
Roundtrip
found 1 day ago
Select Iberia flight, departing Sun, Apr 26 from Copenhagen to Buffalo, returning Tue, May 5, priced at $862 found 1 day ago
Air Canada
Sun, Apr 26 - Tue, May 5
CPH
Copenhagen
BUF
Buffalo
$1,049 Roundtrip, found 1 day ago
$1,049
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Apr 26 from Copenhagen to Buffalo, returning Tue, May 5, priced at $1,049 found 1 day ago
Icelandair
Fri, May 8 - Fri, May 15
CPH
Copenhagen
BUF
Buffalo
$1,146 Roundtrip, found 2 days ago
$1,146
Roundtrip
found 2 days ago
Select Icelandair flight, departing Fri, May 8 from Copenhagen to Buffalo, returning Fri, May 15, priced at $1,146 found 2 days ago

Frequently asked questions

How much does a flight from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) cost?
You can find cheap one-way flights from $386 and cheap return flights from $703 Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) with Expedia. One-way flights usually range from $1367 to $4297, and return flights typically cost between $689 and $6361. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The cheapest month to fly from CPH to BUF is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Enter CPH to BUF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Turkish Airlines is one of the cheapest airlines offering connecting flights from Kastrup (CPH) to Buffalo Niagara Intl. (BUF), with round-trip tickets starting from around $1,238 with a layover in Istanbul Airport (IST). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
To find a cheap flight from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The earliest flight from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) typically departs at around 6:00 AM, operated by KLM and Delta. An early departure allows you to arrive in Buffalo with a full day ahead of you. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
The most popular departure times for flights from Copenhagen (CPH) to Buffalo (BUF) are in the early morning, from 6am to 9am. About 42% of passengers prefer this time window. Many major carriers, including British Airways, American Airlines, and KLM, offer flights during this window. This timing works well because it allows you to arrive in Buffalo with a full day ahead of you.
How long does it take to fly from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
Flights from CPH to BUF with one stop typically take around 16 hours 20 minutes, covering approximately 3,902 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
You can fly business class between CPH and BUF. Airlines that offer business class service on this route include:

  • Brussels Airlines
  • Air France
  • KLM
  • SAS
  • Delta Air Lines
  • Icelandair

How do I earn miles on a Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight with Expedia?
It's easy to earn miles on a Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Buffalo from Kastrup (CPH)?
If you're planning to travel to Buffalo from Kastrup (CPH), you can fly into Buffalo Niagara Intl. (BUF) Some flights may connect through major hubs like Schiphol (AMS), Heathrow (LHR), Frankfurt Intl. (FRA) before reaching Buffalo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) at the last minute?
Typically, booking a last minute flight from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight and hotel package?
Securing a Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) Buffalo Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.)?
If you booked your Copenhagen (CPH-Kastrup) to Buffalo, NY (BUF-Buffalo Niagara Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Kastrup
Destination airport
Buffalo Niagara Intl.
Airlines serving
Air Canada, British Airways, Brussels Airlines, Iberia, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Virgin Atlantic
Roundtrip price
$703
Distance
3902 mi

Book with confidence

Copenhagen to Buffalo Flights

The cheapest times to fly from Copenhagen to Buffalo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Copenhagen to Buffalo are during the month of April. You can find some of the cheapest flights from Copenhagen to Buffalo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Copenhagen to Buffalo

Sunday is one of the best days to book for cheap flights from Copenhagen to Buffalo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Copenhagen to Buffalo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Copenhagen to Buffalo in 2026. You can also book with separate airlines for your outbound and return journeys, from $386 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Copenhagen to Buffalo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Copenhagen to Buffalo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Copenhagen to Buffalo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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