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Keflavik Intl

$354+ Cheap flights from Buffalo (BUF) to Keflavik Intl (KEF)

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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — KEF
out 11 — out 181
sáb 10/11
sáb 10/18
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 setembro 11, 2025.

Round-trip from

$738
(FlightHub)
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 setembro 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/11. 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.
dom 11/25:00 amBUF - KEF
1 stop10h 45mIcelandair
seg 11/105:00 pmKEF - BUF
1 stop10h 00mIcelandair
Deal found 9/11$748
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/12:50 pmBUF - KEF
2 stops29h 20mLufthansa
qua 10/812:25 amKEF - BUF
2 stops26h 17mLufthansa
Deal found 9/9$767
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 10/266:00 amBUF - KEF
1 stop11h 45mIcelandair
dom 11/29:55 amKEF - BUF
1 stop30h 50mIcelandair
Deal found 9/10$779
This oojo deal was found by Cheapflights users on 9/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/47:00 amBUF - KEF
1 stop10h 45mIcelandair
qua 10/88:10 pmKEF - BUF
1 stop16h 43mIcelandair
Deal found 9/11$786
This FlightHub deal was found by Cheapflights users on 9/11. 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.
qua 10/110:50 amBUF - KEF
2 stops17h 25mMultiple Airlines
qua 10/812:25 amKEF - BUF
2 stops26h 17mMultiple Airlines
Deal found 9/11$800
This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/2210:00 amBUF - KEF
1 stop16h 05mIcelandair
ter 10/284:50 pmKEF - BUF
1 stop22h 29mIcelandair
Deal found 9/10$803
This FlightHub deal was found by Cheapflights users on 9/10. 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.
qua 10/110:00 amBUF - KEF
1 stop16h 05mIcelandair
qui 10/99:55 amKEF - BUF
1 stop11h 56mIcelandair
Deal found 9/10$813
This FlightHub deal was found by Cheapflights users on 9/10. 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.
qua 10/86:46 pmBUF - KEF
1 stop9h 59mIcelandair
qua 10/158:10 pmKEF - BUF
1 stop25h 41mIcelandair
Deal found 9/10$821
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/224:35 pmBUF - KEF
2 stops19h 45mScandinavian Airlines
ter 10/287:35 amKEF - BUF
2 stops20h 04mScandinavian Airlines
Deal found 9/10$845

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 setembro 11, 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

dom 11/2

5:00 am-8:45 pm

1 stop10h 45m

Reykjavik Keflavik Intl

seg 11/10

5:00 pm-10:00 pm

1 stop10h 00m

$748

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

qua 10/1

2:50 pm-12:10 am

2 stops29h 20m

Reykjavik Keflavik Intl

qua 10/8

12:25 am-10:42 pm

2 stops26h 17m

$767

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

dom 10/26

6:00 am-9:45 pm

1 stop11h 45m

Reykjavik Keflavik Intl

dom 11/2

9:55 am-11:45 am

1 stop30h 50m

$779

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

qua 10/1

10:50 am-8:15 am

2 stops17h 25m

Reykjavik Keflavik Intl

qua 10/8

12:25 am-10:42 pm

2 stops26h 17m

$800

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

qua 10/22

10:00 am-6:05 am

1 stop16h 05m

Reykjavik Keflavik Intl

ter 10/28

4:50 pm-9:20 am

1 stop20h 30m

$803

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

qua 10/1

6:46 pm-8:45 am

1 stop9h 59m

Reykjavik Keflavik Intl

qui 10/9

9:55 am-5:51 pm

1 stop11h 56m

$837

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

qua 10/22

4:35 pm-4:20 pm

2 stops19h 45m

Reykjavik Keflavik Intl

ter 10/28

7:35 am-11:43 pm

2 stops20h 08m

$845

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

sáb 9/27

7:11 pm-8:55 am

3 stops57h 44m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 setembro 11, 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.

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.

  • How long is the flight from Buffalo to Reykjavik Keflavik Intl Airport?

    Icelandair and Lufthansa can get you from Buffalo to Reykjavik Keflavik Intl Airport in just under 10h 45m. Your travel time can differ by up to 18h 35m. Airlines will cover a distance of 2603 mi. This flight may include one or multiple stops.

  • 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 $655). 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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