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Keflavik Intl

$489+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — KEF
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This Virgin Atlantic deal was found by Cheapflights users on 1/25. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:56 pm
BUF
-
KEF
1 stop9h 34m
Virgin Atlantic
Tue 4/1411:25 am
KEF
-
BUF
1 stop17h 24m
Virgin Atlantic
Deal found 1/25$490
This American Airlines deal was found by Cheapflights users on 1/25. 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 4/225:45 pm
BUF
-
KEF
2 stops35h 55m
American Airlines
Mon 4/2710:40 am
KEF
-
BUF
2 stops34h 34m
American Airlines
Deal found 1/25$505
This American Airlines deal was found by Cheapflights users on 1/25. 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 4/85:45 pm
BUF
-
KEF
2 stops35h 55m
American Airlines
Tue 4/1410:50 am
KEF
-
BUF
3 stops28h 26m
American Airlines
Deal found 1/25$510
This KLM deal was found by Cheapflights users on 1/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:00 am
BUF
-
KEF
1 stop22h 30m
KLM
Sat 4/1811:25 am
KEF
-
BUF
1 stop11h 54m
KLM
Deal found 1/26$586
This KLM deal was found by Cheapflights users on 1/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:59 pm
BUF
-
KEF
1 stop9h 31m
Multiple Airlines
Mon 5/411:25 am
KEF
-
BUF
1 stop11h 54m
Multiple Airlines
Deal found 1/25$605
This KLM deal was found by Cheapflights users on 1/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:15 pm
BUF
-
KEF
1 stop10h 15m
KLM
Thu 5/2111:25 am
KEF
-
BUF
1 stop11h 35m
KLM
Deal found 1/25$615
This KLM deal was found by Cheapflights users on 1/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:50 pm
BUF
-
KEF
2 stops14h 50m
Multiple Airlines
Thu 5/218:50 am
KEF
-
BUF
1 stop18h 13m
Multiple Airlines
Deal found 1/25$619
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Tue 2/248:00 am
BUF
-
KEF
1 stop17h 05m
Multiple Airlines
Tue 3/35:00 pm
KEF
-
BUF
1 stop9h 25m
Multiple Airlines
Deal found 1/25$623
This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:00 am
BUF
-
KEF
1 stop9h 45m
Multiple Airlines
Wed 3/189:55 am
KEF
-
BUF
1 stop13h 08m
Multiple Airlines
Deal found 1/25$631
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Tue 5/126:10 am
BUF
-
KEF
2 stops22h 20m
United Airlines
Thu 5/2112:00 pm
KEF
-
BUF
2 stops29h 46m
United Airlines
Deal found 1/25$632

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$490
(Virgin Atlantic)

One-way from

$489
(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 January 27, 2026.
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

Wed 4/8

7:56 pm-9:30 am

1 stop9h 34m

Reykjavik Keflavik Intl

Tue 4/14

11:25 am-12:49 am

1 stop17h 24m

$490

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Sat 4/11

7:00 am-9:30 am

1 stop22h 30m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-7:19 pm

1 stop11h 54m

$586

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Sat 4/11

7:56 pm-9:30 am

1 stop9h 34m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-10:39 pm

2 stops15h 14m

$586

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Fri 5/1

7:59 pm-9:30 am

1 stop9h 31m

Reykjavik Keflavik Intl

Mon 5/4

11:25 am-7:19 pm

1 stop11h 54m

$605

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Tue 5/12

7:15 pm-9:30 am

1 stop10h 15m

Reykjavik Keflavik Intl

Thu 5/21

11:25 am-7:00 pm

1 stop11h 35m

$615

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Tue 2/24

8:00 am-6:05 am

1 stop17h 05m

Reykjavik Keflavik Intl

Tue 3/3

5:00 pm-9:25 pm

1 stop9h 25m

$623

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Tue 5/12

6:10 am-8:30 am

2 stops22h 20m

Reykjavik Keflavik Intl

Thu 5/21

12:00 pm-1:46 pm

2 stops29h 46m

$632

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Tue 3/10

1:50 pm-6:05 am

1 stop12h 15m

Reykjavik Keflavik Intl

Mon 3/16

4:50 pm-9:04 am

1 stop20h 14m

$673

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Tue 7/14

1:35 pm-6:05 am

1 stop12h 30m

Reykjavik Keflavik Intl

Tue 7/21

7:55 pm-9:39 am

1 stop17h 44m

$681

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Sun 5/10

5:29 pm-8:10 am

1 stop10h 41m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 18 results
1
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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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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?

    Virgin Atlantic and KLM can get you from Buffalo to Reykjavik Keflavik Intl Airport in just under 9h 34m. Your travel time can differ by up to 12h 56m. 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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