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Keflavik Intl

$640+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — KEF
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap 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 December 14, 2025.

This Icelandair deal was found by Cheapflights users on 12/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:50 pmBUF - KEF
1 stop11h 25mMultiple Airlines
Mon 12/225:00 pmKEF - BUF
1 stop22h 19mMultiple Airlines
Deal found 12/11$1,139
This FlightHub deal was found by Cheapflights users on 12/11. 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.
Thu 12/2511:04 amBUF - KEF
1 stop14h 01mMultiple Airlines
Thu 1/15:00 pmKEF - BUF
1 stop22h 19mMultiple Airlines
Deal found 12/11$1,585
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:32 pmBUF - KEF
1 stop31h 08mMultiple Airlines
Thu 12/254:50 pmKEF - BUF
2 stops28h 55mMultiple Airlines
Deal found 12/12$1,637
This oojo deal was found by Cheapflights users on 12/12. 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.
Mon 12/153:32 pmBUF - KEF
2 stops38h 18mBritish Airways
Mon 12/2211:50 amKEF - BUF
2 stops40h 19mBritish Airways
Deal found 12/12$1,948
This FlightHub deal was found by Cheapflights users on 12/11. 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.
Wed 12/2411:04 amBUF - KEF
1 stop14h 01mMultiple Airlines
Thu 1/15:00 pmKEF - BUF
1 stop22h 19mMultiple Airlines
Deal found 12/11$1,965
This FlightHub deal was found by Cheapflights users on 12/11. 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.
Fri 12/268:50 amBUF - KEF
1 stop16h 15mMultiple Airlines
Thu 1/15:00 pmKEF - BUF
1 stop31h 28mMultiple Airlines
Deal found 12/11$1,979
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/153:32 pmBUF - KEF
2 stops38h 18mAmerican Airlines
Mon 12/2211:50 amKEF - BUF
3 stops29h 35mAmerican Airlines
Deal found 12/13$1,983
This KAYAK deal was found by Cheapflights users on 12/12. 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.
Sun 12/217:48 pmBUF - KEF
2 stops37h 32mLufthansa
Thu 12/253:10 pmKEF - BUF
2 stops36h 45mLufthansa
Deal found 12/12$3,303

Find 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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$738
(KLM)

One-way from

$737
(FlightHub)
Provider with most accurate pricing for Buffalo-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Buffalo-Reykjavik Keflavik Intl flights.
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From Buffalo to Reykjavik Keflavik Intl
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One-way flight from Buffalo to Reykjavik Keflavik Intl
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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 December 14, 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

Fri 1/30

10:00 am-6:05 am

1 stop15h 05m

Reykjavik Keflavik Intl

Mon 2/2

4:50 pm-11:47 pm

1 stop11h 57m

$640

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Thu 4/9

7:56 pm-9:30 am

1 stop9h 34m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-7:00 pm

1 stop11h 35m

$738

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Thu 4/9

7:56 pm-9:30 am

1 stop9h 34m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-11:03 pm

2 stops15h 38m

$742

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Mon 2/2

7:45 pm-6:10 am

1 stop29h 25m

Reykjavik Keflavik Intl

Tue 3/10

4:50 pm-11:33 pm

1 stop10h 43m

$776

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Wed 2/4

10:00 am-6:05 am

1 stop15h 05m

Reykjavik Keflavik Intl

Tue 3/10

4:50 pm-11:33 pm

1 stop10h 43m

$776

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Tue 2/3

7:00 am-6:10 am

1 stop18h 10m

Reykjavik Keflavik Intl

Tue 3/10

4:50 pm-9:27 am

1 stop20h 37m

$776

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Mon 2/2

7:45 pm-6:10 am

1 stop29h 25m

Reykjavik Keflavik Intl

Mon 3/9

4:50 pm-11:33 pm

1 stop10h 43m

$786

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Tue 4/7

9:00 am-6:05 am

1 stop17h 05m

Reykjavik Keflavik Intl

Sat 4/11

8:20 pm-8:06 am

2 stops39h 46m

$849

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Mon 2/2

3:25 pm-6:05 am

1 stop9h 40m

Reykjavik Keflavik Intl

Sun 3/8

9:55 am-9:34 pm

1 stop15h 39m

$867

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Wed 2/4

10:00 am-6:05 am

1 stop15h 05m

Reykjavik Keflavik Intl

Sun 3/8

9:55 am-9:34 pm

1 stop15h 39m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 13 results
1
2

Compare providers for flights from Buffalo to Keflavik Intl

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 Buffalo to Keflavik Intl in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust 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 Buffalo-Reykjavik Keflavik Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Buffalo-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-Reykjavik Keflavik Intl Airport 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 Buffalo-Reykjavik Keflavik Intl Airport 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 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 December 14, 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 17% 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?

    KLM and Scandinavian Airlines can get you from Buffalo to Reykjavik Keflavik Intl Airport in just under 9h 34m. Your travel time can differ by up to 13h 06m. 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.

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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