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Keflavik Intl

$717+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — KEF
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$717
(United Airlines)
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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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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 9/144:15 pmBUF - KEF
1 stop10h 45mUnited Airlines
Sun 9/2110:00 amKEF - BUF
2 stops39h 16mUnited Airlines
Deal found 4/28$717
This Air Canada deal was found by Cheapflights users on 4/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:00 amBUF - KEF
2 stops21h 35mAir Canada
Sun 9/2110:00 amKEF - BUF
2 stops34h 52mAir Canada
Deal found 4/27$724
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:40 amBUF - KEF
1 stop17h 50mDelta
Sun 9/218:45 amKEF - BUF
1 stop10h 28mDelta
Deal found 4/27$740
This FlightHub deal was found by Cheapflights users on 4/27. 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 10/157:00 amBUF - KEF
1 stop10h 45mIcelandair
Tue 11/45:00 pmKEF - BUF
1 stop9h 25mIcelandair
Deal found 4/27$757
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/61:57 pmBUF - KEF
3 stops14h 38mMultiple Airlines
Sun 9/1410:00 amKEF - BUF
2 stops15h 16mMultiple Airlines
Deal found 4/28$797
This Lufthansa deal was found by Cheapflights users on 4/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:51 pmBUF - KEF
2 stops24h 19mLufthansa
Sat 9/201:15 amKEF - BUF
2 stops26h 44mLufthansa
Deal found 4/27$939
This Air France deal was found by Cheapflights users on 4/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/163:50 pmBUF - KEF
1 stop10h 30mAir France
Thu 9/1811:25 amKEF - BUF
2 stops15h 38mAir France
Deal found 4/27$1,303
This American Airlines deal was found by Cheapflights users on 4/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/154:30 pmBUF - KEF
2 stops37h 10mAmerican Airlines
Tue 11/411:45 amKEF - BUF
3 stops29h 20mAmerican Airlines
Deal found 4/27$1,386
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 7/13:53 pmBUF - KEF
2 stops27h 57mScandinavian Airlines
Thu 7/101:00 amKEF - BUF
3 stops27h 53mScandinavian Airlines
Deal found 4/28$1,856

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 April 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

Sun 9/14

4:15 pm-7:00 am

1 stop10h 45m

Reykjavik Keflavik Intl

Sun 9/21

10:00 am-9:16 pm

2 stops39h 16m

$717

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Sun 9/14

7:00 am-8:35 am

2 stops21h 35m

Reykjavik Keflavik Intl

Sun 9/21

10:00 am-4:52 pm

2 stops34h 52m

$724

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Sun 9/14

7:15 pm-9:30 am

1 stop10h 15m

Reykjavik Keflavik Intl

Sun 9/21

11:25 am-6:55 pm

1 stop11h 30m

$740

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Wed 10/15

7:00 am-9:45 pm

1 stop10h 45m

Reykjavik Keflavik Intl

Tue 11/4

5:00 pm-9:25 pm

1 stop9h 25m

$757

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Sat 9/6

1:57 pm-8:35 am

3 stops14h 38m

Reykjavik Keflavik Intl

Sun 9/14

10:00 am-9:16 pm

2 stops15h 16m

$797

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Thu 9/25

12:50 pm-9:30 am

2 stops16h 40m

Reykjavik Keflavik Intl

Sun 9/28

8:45 am-11:03 pm

1 stop18h 18m

$934

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Mon 9/15

7:51 pm-12:10 am

2 stops24h 19m

Reykjavik Keflavik Intl

Sat 9/20

1:15 am-11:59 pm

2 stops26h 44m

$939

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Tue 9/16

3:50 pm-6:20 am

1 stop10h 30m

Reykjavik Keflavik Intl

Thu 9/18

11:25 am-11:03 pm

2 stops15h 38m

$1,303

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Wed 10/15

4:30 pm-9:40 am

2 stops37h 10m

Reykjavik Keflavik Intl

Tue 11/4

11:45 am-12:05 pm

3 stops29h 20m

$1,386

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Tue 7/1

3:53 pm-11:50 pm

2 stops27h 57m

Reykjavik Keflavik Intl

Thu 7/10

1:00 am-12:53 am

3 stops27h 53m

$1,856

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Buffalo-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 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.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 April 29, 2025.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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 France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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
1,349 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

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 $717, 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 $724 and $757, 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 July is currently the most expensive (average of $651). 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.

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