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$347 Cheap Flights from Buffalo (BUF) to Reykjavik (KEF)

Cheap Flights from Buffalo to Reykjavik (BUF-KEF)

Prices were available within the past 7 days and start at $347 for one-way flights and $666 for roundtrip, for the period specified. Prices and availability are subject to change.

Alternative airports near Reykjavik

Prices were available within the past 7 days. Prices and availability are subject to change.

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Buffalo (BUF) to Reykjavik (KEF) at a glance

Embark on an exciting journey from Buffalo (BUF) to Reykjavik (KEF) with a diverse selection of airlines catering to this international long-haul route. Whether you prefer full-service or budget-friendly options, you can easily compare flights to find the perfect itinerary that aligns with your budget, schedule, and travel plans. Discover essential flight details for your journey from Buffalo Niagara International Airport (BUF) to Keflavik International Airport (KEF) as you prepare to explore Reykjavik's renowned attractions and neighborhoods.

  • Fastest flight duration: around 6h 45m in-flight, plus roughly 2h 45m layover with one stop
  • Route distance: roughly 2,600 miles (4,180 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $355–$635, depending on seasonality and how far ahead you book

Flights from Buffalo Niagara International Airport (BUF) to Keflavik International Airport (KEF)

According to recent traveler bookings, the most popular airlines flying from Buffalo to Reykjavik are often selected for their one-stop services, featuring convenient layovers at Logan International Airport, BOS (approximately 2 hours and 45 minutes), John F. Kennedy International Airport, JFK (around 2 hours), and Baltimore Washington International Thurgood Marshall Airport, BWI (about 1 hour and 30 minutes). These options allow you to tailor your journey by balancing price, total travel time, and cabin class to secure the ideal itinerary.

  • Icelandair: This full-service airline provides convenient one-stop connections, with one-way ticket prices generally ranging from $355 to $635. It operates about 76% of flights on this route, featuring an in-flight duration of 6 hours and 45 minutes, and an overall travel time of approximately 9 hours and 30 minutes, including layover time.

Alternative route from Buffalo (BUF) to Reykjavik (KEF)

  • Rochester to Reykjavik (ROC-KEF): Greater Rochester International Airport (ROC) is located approximately 56 miles from Buffalo Niagara International Airport (BUF). One-way economy fares for this journey generally fall between $335 and $720, influenced by the season and how early you make your reservation. Typically, travelers will find one-stop options available, with common layover points including John F. Kennedy International Airport (JFK) and Baltimore Washington International Thurgood Marshall Airport (BWI). The main airlines operating on this route are Icelandair and JetBlue Airways, the latter being a low-cost carrier.

How to find the best prices for flights from Buffalo (BUF) to Reykjavik (KEF)

Getting some of the best deals on flights from Buffalo to Reykjavik is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, although most travelers tend to book at least 2 months ahead. Departures in the afternoon (12 pm-6 pm) often offer lower prices, while morning flights (5 am-12 pm) remain the most popular. Additionally, flying on Monday provides both cheaper rates and is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Reykjavik hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Keflavik International Airport from Buffalo Niagara International Airport

Reykjavik welcomes travelers from Buffalo with a range of transport options based on price, convenience, and proximity. Here's how to reach Reykjavik efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Reykjavik, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Keflavik International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Keflavik International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Keflavik International Airport, Keflavik Seaport, a seaport, is located about 6.6 miles away by car.

Buffalo to Reykjavik Flights

The cheapest times to fly from Buffalo to Reykjavik

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 Buffalo to Reykjavik are during the month of January. You can find some of the cheapest flights from Buffalo to Reykjavik with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Buffalo to Reykjavik

Sunday is one of the best days to book for cheap flights from Buffalo to Reykjavik: 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 Buffalo to Reykjavik

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 Buffalo to Reykjavik in 2026. You can also book with separate airlines for your outbound and return journeys, from $347 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 Buffalo to Reykjavik 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 Buffalo to Reykjavik 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.

Frequently Asked Questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.) cost?

You can find cheap one-way flights from $347 and cheap return flights $666 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.) with Expedia. One-way flights typically cost between $577 and $2959, and return flights often range between $849 and $4929. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.)?

The cheapest month to fly from BUF to KEF is January 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.)?

Enter BUF to KEF and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.)?

KLM is one of the cheapest airlines offering connecting flights from Buffalo Niagara Intl. (BUF) to Keflavik Intl. (KEF), starting from around $1,153 for a round-trip ticket. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.)?

To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.)?

The earliest flight from Buffalo Niagara International Airport (BUF) to Keflavik International Airport (KEF) typically departs at around 5:20 AM, operated by American Airlines and British Airways. This seasonal service is active in December, making it a great choice for early travelers heading to Reykjavik. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.)?

The most popular departure times for flights from Buffalo, NY (BUF) to Reykjavik (KEF) are in the late morning, from 9am to 12pm. About 26% of passengers prefer this time window. Many major carriers, including Delta Airlines, Virgin Atlantic and American Airlines, offer flights during this window. This timing is favored as it lets you enjoy a leisurely morning before heading to the airport.

How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.)?

A flight from BUF to KEF with a layover takes around 13 hours 30 minutes, with the route covering approximately 2,605 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.)?

Business class is available on flights from BUF to KEF. Airlines that offer business class service on this route include:

  • Delta Air Lines
  • JetBlue Airways
  • Virgin Atlantic
  • United Airlines

How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.) flight with Expedia?

It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik 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 Reykjavik from Buffalo Niagara Intl. (BUF)?

From Buffalo Niagara Intl. (BUF), you can fly into Keflavik Intl. (KEF) to reach Reykjavik. Some flights may connect through major hubs like John F. Kennedy Intl. (JFK), O'Hare Intl. (ORD), Washington Dulles Intl. (IAD) before reaching Reykjavik. 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.) at the last minute?

Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.) flight and hotel package?

Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.) flight and hotel package 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik Intl.)?

If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Reykjavik (KEF-Keflavik 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
Buffalo Niagara Intl. Airport
Destination airport
Reykjavik–Keflavik Intl. Airport
Distance
2,604 miles away
Airlines serving
British Airways, SAS, Lufthansa, Air Canada, American Airlines, Delta, Icelandair, United, Virgin Atlantic, Iberia, Swiss International Air Lines, KLM, Austrian Airlines
Popular airline
British Airways
Roundtrip price
$666
*Available to One Key members.