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Keflavik Intl

$523+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — KEF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$668
(Travelocity)

One-way from

$523
(Mytrip)
From Buffalo to Reykjavik Keflavik Intl
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One-way flight 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 June 12, 2025.

This Travelocity deal was found by Cheapflights users on 6/10. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:54 pmBUF - KEF
2 stops34h 21mAir Canada
Sun 9/149:30 amKEF - BUF
2 stops39h 46mAir Canada
Deal found 6/10$668
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/41:57 pmBUF - KEF
1 stop14h 33mUnited Airlines
Wed 8/1311:00 amKEF - BUF
1 stop11h 28mUnited Airlines
Deal found 6/11$671
This Virgin Atlantic deal was found by Cheapflights users on 6/10. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:35 amBUF - KEF
1 stop17h 55mVirgin Atlantic
Sun 9/1411:25 amKEF - BUF
1 stop16h 25mVirgin Atlantic
Deal found 6/10$746
This FlightHub deal was found by Cheapflights users on 6/11. 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 10/106:00 pmBUF - KEF
1 stop8h 05mIcelandair
Tue 10/148:10 pmKEF - BUF
1 stop16h 43mIcelandair
Deal found 6/11$762
This Icelandair deal was found by Cheapflights users on 6/11. 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 10/206:00 pmBUF - KEF
1 stop8h 05mMultiple Airlines
Tue 10/285:00 pmKEF - BUF
1 stop19h 29mMultiple Airlines
Deal found 6/11$798
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/204:54 pmBUF - KEF
2 stops37h 06mBritish Airways
Tue 10/2811:45 amKEF - BUF
2 stops40h 09mBritish Airways
Deal found 6/11$835
This Ovago deal was found by Cheapflights users on 6/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:00 pmBUF - KEF
2 stops24h 10mLufthansa
Sat 9/2012:25 amKEF - BUF
2 stops27h 34mLufthansa
Deal found 6/11$876
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/203:30 pmBUF - KEF
2 stops28h 20mScandinavian Airlines
Tue 10/287:35 amKEF - BUF
2 stops20h 15mScandinavian Airlines
Deal found 6/11$892
This Air France deal was found by Cheapflights users on 6/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:00 pmBUF - KEF
1 stop9h 20mAir France
Fri 7/119:30 amKEF - BUF
2 stops13h 24mAir France
Deal found 6/11$1,455

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 June 12, 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

Sat 9/6

5:54 pm-8:15 am

2 stops34h 21m

Reykjavik Keflavik Intl

Sun 9/14

9:30 am-9:16 pm

2 stops39h 46m

$668

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Mon 8/4

1:57 pm-8:30 am

1 stop14h 33m

Reykjavik Keflavik Intl

Wed 8/13

11:00 am-6:28 pm

1 stop11h 28m

$671

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Sat 9/6

11:35 am-9:30 am

1 stop17h 55m

Reykjavik Keflavik Intl

Sun 9/14

11:25 am-11:50 pm

1 stop16h 25m

$746

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Fri 10/10

6:00 pm-6:05 am

1 stop8h 05m

Reykjavik Keflavik Intl

Tue 10/14

8:10 pm-8:53 am

1 stop16h 43m

$762

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Mon 10/20

6:00 pm-6:05 am

1 stop8h 05m

Reykjavik Keflavik Intl

Tue 10/28

5:00 pm-8:29 am

1 stop19h 29m

$798

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Mon 10/20

4:54 pm-10:00 am

2 stops37h 06m

Reykjavik Keflavik Intl

Tue 10/28

11:45 am-11:54 pm

2 stops40h 09m

$835

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Wed 9/17

8:00 pm-12:10 am

2 stops24h 10m

Reykjavik Keflavik Intl

Sat 9/20

12:25 am-11:59 pm

2 stops27h 34m

$876

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Mon 10/20

3:30 pm-11:50 pm

2 stops28h 20m

Reykjavik Keflavik Intl

Tue 10/28

7:35 am-11:50 pm

2 stops20h 15m

$892

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Tue 7/1

5:00 pm-6:20 am

1 stop9h 20m

Reykjavik Keflavik Intl

Fri 7/11

9:30 am-6:54 pm

2 stops13h 24m

$1,455

BuffaloReykjavik

BUF - KEF

BUFKEF

Buffalo

Sun 6/29

11:47 am-8:15 am

3 stops40h 28m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 13 results
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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 June 12, 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 June 12, 2025.
Air France
7.5
Good
1,463 reviews

Overall

7.5

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air France
7.5
Good
1,463 reviews
Air France
7.5
Good
1,463 reviews

Overall

7.5

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
United Airlines
7.4
Good
8,790 reviews
Air France
7.5
Good
1,463 reviews

Overall

7.5

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Virgin Atlantic
7.4
Good
652 reviews
Air France
7.5
Good
1,463 reviews

Overall

7.5

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Scandinavian Airlines
7.3
Good
1,387 reviews
Air France
7.5
Good
1,463 reviews

Overall

7.5

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
WestJet
7.2
Good
2,868 reviews
Air France
7.5
Good
1,463 reviews

Overall

7.5

Food

7.0

Boarding

7.4

Comfort

7.4

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

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 $668, Air Canada will fly you from Buffalo to Reykjavik Keflavik Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Virgin Atlantic - these airlines can fly you to your destination from $671 and $746, respectively.

  • What are the cheapest airlines to fly from Buffalo to Reykjavik Keflavik Intl Airport one-way?

    The cheapest airlines for a one-way flight from Buffalo to Reykjavik Keflavik Intl Airport are WestJet ($555), Icelandair ($610), and United Airlines ($971).

  • 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 $659). 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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