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Keflavik Intl

$617+ Cheap flights from Buffalo (BUF) to Keflavik Intl (KEF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — KEF
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Buffalo to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Keflavik Intl (KEF). 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 July 29, 2025.

Round-trip from

$617
(United Airlines)
From Buffalo to Reykjavik Keflavik Intl
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Find flight deals from Buffalo to Keflavik Intl

Cheapest flights from Buffalo to Keflavik Intl
Explore the most affordable flight options available from Buffalo to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/2110:55 amBUF - KEF
1 stop17h 35mUnited Airlines
Thu 8/289:30 amKEF - BUF
2 stops37h 31mUnited Airlines
Deal found 7/28$617
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/245:54 pmBUF - KEF
2 stops34h 21mAir Canada
Sun 8/319:30 amKEF - BUF
2 stops35h 22mAir Canada
Deal found 7/27$647
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/247:05 amBUF - KEF
2 stops21h 10mMultiple Airlines
Sat 8/3012:25 amKEF - BUF
2 stops27h 34mMultiple Airlines
Deal found 7/27$708
This Air France deal was found by Cheapflights users on 7/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:00 amBUF - KEF
1 stop22h 30mKLM
Thu 10/911:25 amKEF - BUF
1 stop11h 30mKLM
Deal found 7/29$729
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/222:50 pmBUF - KEF
2 stops29h 20mLufthansa
Tue 10/284:45 pmKEF - BUF
2 stops34h 13mLufthansa
Deal found 7/29$732
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:00 amBUF - KEF
1 stop16h 05mIcelandair
Thu 10/99:55 amKEF - BUF
1 stop11h 10mIcelandair
Deal found 7/27$764
This Scandinavian Airlines deal was found by Cheapflights users on 7/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:43 pmBUF - KEF
2 stops27h 07mScandinavian Airlines
Thu 10/97:40 amKEF - BUF
2 stops20h 16mScandinavian Airlines
Deal found 7/28$895

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Keflavik Intl 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 July 29, 2025.
Use the filters below to find and compare flights from Buffalo to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Buffalo

Fly to

Keflavik Intl

Route

Depart

Return

Price

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Thu 8/21

10:55 am-8:30 am

1 stop17h 35m

Reykjavik Keflavik Intl

Thu 8/28

9:30 am-7:01 pm

2 stops37h 31m

$617

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Sun 8/24

5:54 pm-8:15 am

2 stops34h 21m

Reykjavik Keflavik Intl

Sun 8/31

9:30 am-4:52 pm

2 stops35h 22m

$647

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Sun 8/24

7:05 am-8:15 am

2 stops21h 10m

Reykjavik Keflavik Intl

Sat 8/30

12:25 am-11:59 pm

2 stops27h 34m

$708

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Wed 10/1

10:00 am-6:05 am

1 stop16h 05m

Reykjavik Keflavik Intl

Thu 10/9

9:55 am-5:05 pm

1 stop11h 10m

$764

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Wed 10/22

2:50 pm-12:10 am

2 stops29h 20m

Reykjavik Keflavik Intl

Tue 10/28

4:45 pm-10:58 pm

2 stops34h 13m

$853

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Wed 10/1

4:43 pm-11:50 pm

2 stops27h 07m

Reykjavik Keflavik Intl

Thu 10/9

7:40 am-11:56 pm

2 stops20h 16m

$895

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Wed 8/20

6:00 am-7:00 am

2 stops21h 00m

Reykjavik Keflavik Intl

Sun 8/31

8:50 am-6:07 pm

1 stop13h 17m

$1,034

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Buffalo to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Buffalo 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 Buffalo to Reykjavik Keflavik Intl Airport

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

Find hourly flight availability from Buffalo to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

It’s optimal to fly from Buffalo to Reykjavik Keflavik Intl Airport in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and Scandinavian Airlines from Buffalo to Reykjavik Keflavik Intl Airport. 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.
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Scandinavian Airlines
7.3
Good
1,449 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air Canada
7.1
Good
9,822 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Icelandair
7.0
Good
521 reviews
Delta
8.0
Very good
7,977 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

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

  • What airport do you fly from for flights from Buffalo to Reykjavik Keflavik Intl?

    Located just 8.3 mi from the city center, Buffalo is the airport most travelers will use when flying to Reykjavik Keflavik Intl from Buffalo. Booking flights from Buffalo (BUF) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 0 different airlines.

  • What are the cheapest airlines flying from Buffalo to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $617, United Airlines will fly you from Buffalo to Reykjavik Keflavik Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Icelandair - these airlines can fly you to your destination from $647 and $764, respectively.

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

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

  • How can I find direct flights from Buffalo to Keflavik Intl?

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

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

    Yes. Cheapflights offers flight deals from Buffalo to Keflavik Intl 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 Buffalo to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Buffalo to Reykjavik Keflavik Intl Airport (average of $328). Flying from Buffalo to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $653). 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 Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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