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Keflavik Intl

$239+ Cheap flights from Connecticut 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — KEF
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Connecticut to Keflavik Intl

Keep the following information in mind while searching for Connecticut to Keflavik Intl flight deals. Data was last updated May 1, 2025.

Round-trip from

$354
(Ticket)

One-way from

$253
(Mytrip)
From Connecticut to Reykjavik Keflavik Intl
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One-way flight from Connecticut to Reykjavik Keflavik Intl
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Find flight deals from Connecticut to Keflavik Intl

Cheapest flights from Connecticut to Keflavik Intl
Explore the most affordable flight options available from Connecticut to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Ticket deal was found by Cheapflights users on 4/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:45 pmLGA - KEF
1 stop10h 25mAir Canada
Sun 8/319:30 amKEF - LGA
1 stop14h 01mAir Canada
Deal found 4/30$351
This Ticket 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:55 pmJFK - KEF
Nonstop5h 35mKLM
Sun 5/118:50 amKEF - JFK
1 stop18h 24mKLM
Deal found 4/28$354
This CrystalTravel deal was found by Cheapflights users on 4/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:25 pmJFK - KEF
Nonstop5h 50mIcelandair
Wed 5/147:55 pmKEF - JFK
Nonstop6h 15mIcelandair
Deal found 4/29$356
This Ticket deal was found by Cheapflights users on 4/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2311:50 pmJFK - KEF
Nonstop5h 40mVirgin Atlantic
Sun 8/3111:25 amKEF - JFK
Nonstop6h 05mVirgin Atlantic
Deal found 4/30$377
This Ticket deal was found by Cheapflights users on 4/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/233:30 pmEWR - KEF
1 stop12h 40mAir Canada
Sun 8/319:50 amKEF - EWR
1 stop12h 02mAir Canada
Deal found 4/30$381
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 8/166:25 amLGA - KEF
1 stop22h 05mUnited Airlines
Sat 8/239:30 amKEF - LGA
1 stop28h 01mUnited Airlines
Deal found 4/29$388
This United Airlines deal was found by Cheapflights users on 4/29. 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 7/299:20 pmEWR - KEF
Nonstop5h 40mUnited Airlines
Mon 8/259:50 amKEF - EWR
2 stops32h 02mUnited Airlines
Deal found 4/29$388
This Flightnetwork deal was found by Cheapflights users on 4/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:25 pmEWR - KEF
Nonstop5h 50mIcelandair
Wed 5/145:00 pmKEF - EWR
Nonstop6h 10mIcelandair
Deal found 4/30$390
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 5/211:55 pmJFK - KEF
Nonstop5h 35mDelta
Fri 5/911:25 amKEF - JFK
Nonstop6h 05mDelta
Deal found 4/29$395
This KLM deal was found by Cheapflights users on 4/30. 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.
Thu 5/84:59 pmJFK - KEF
1 stop9h 21mMultiple Airlines
Wed 5/1411:25 amKEF - JFK
Nonstop6h 05mMultiple Airlines
Deal found 4/30$396
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 5/84:59 pmLGA - KEF
1 stop9h 21mDelta
Wed 5/148:50 amKEF - LGA
1 stop18h 47mDelta
Deal found 4/30$402
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 5/85:59 amEWR - KEF
1 stop20h 21mDelta
Wed 5/148:50 amKEF - EWR
1 stop18h 20mDelta
Deal found 4/30$402

Cheapflights Fare Finder

Customize your flight search to find flights from Connecticut 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 May 1, 2025.
Use the filters below to find and compare flights from Connecticut to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Connecticut

Fly to

Keflavik Intl

Route

Depart

Return

Price

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Sat 8/23

5:45 pm-8:10 am

1 stop10h 25m

Reykjavik Keflavik Intl

Sun 8/31

9:30 am-7:31 pm

1 stop14h 01m

$351

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Mon 5/19

8:25 pm-6:15 am

Nonstop5h 50m

Reykjavik Keflavik Intl

Tue 6/3

7:55 pm-10:10 pm

Nonstop6h 15m

$363

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Sat 8/23

11:50 pm-9:30 am

Nonstop5h 40m

Reykjavik Keflavik Intl

Sun 8/31

11:25 am-1:30 pm

Nonstop6h 05m

$377

NewarkReykjavik

EWR - KEF

EWRKEF

Newark

Sat 8/23

3:30 pm-8:10 am

1 stop12h 40m

Reykjavik Keflavik Intl

Sun 8/31

9:50 am-5:52 pm

1 stop12h 02m

$381

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Sat 8/16

6:25 am-8:30 am

1 stop22h 05m

Reykjavik Keflavik Intl

Sat 8/23

9:30 am-9:31 am

1 stop28h 01m

$388

NewarkReykjavik

EWR - KEF

EWRKEF

Newark

Tue 7/29

9:20 pm-7:00 am

Nonstop5h 40m

Reykjavik Keflavik Intl

Mon 8/25

9:50 am-1:52 pm

2 stops32h 02m

$388

NewarkReykjavik

EWR - KEF

EWRKEF

Newark

Tue 5/13

8:25 pm-6:15 am

Nonstop5h 50m

Reykjavik Keflavik Intl

Sun 5/18

5:00 pm-7:10 pm

Nonstop6h 10m

$393

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Wed 5/28

11:55 pm-9:30 am

Nonstop5h 35m

Reykjavik Keflavik Intl

Mon 6/2

11:25 am-1:25 pm

Nonstop6h 00m

$395

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Thu 5/29

12:57 pm-6:20 am

1 stop13h 23m

Reykjavik Keflavik Intl

Sat 6/7

11:25 am-1:25 pm

Nonstop6h 00m

$399

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Fri 8/15

6:55 am-8:15 am

1 stop21h 20m

Reykjavik Keflavik Intl

Sat 8/23

9:30 am-9:47 pm

1 stop16h 17m

$401

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 results
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Best time to book a flight from Connecticut to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Connecticut 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 Connecticut to Reykjavik Keflavik Intl Airport

What is the cheapest time of day to fly from CT to KEF?

Find hourly flight availability from Connecticut 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 May 1, 2025.

When flying from Connecticut to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 May 1, 2025.
To help decide which airline to fly from Connecticut to Reykjavik, see what other customers have to say about Delta, KLM and Austrian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
781 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Connecticut 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 are the cheapest airlines to fly from Connecticut to Reykjavik Keflavik Intl Airport one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $327. Users have also found prices from $387 and $387 on Scandinavian Airlines and British Airways, respectively.

  • What are the most popular routes from Connecticut to Reykjavik Keflavik Intl Airport?

    When deciding which route to take from Connecticut to Reykjavik Keflavik Intl Airport consider Newark - Reykjavik Keflavik Intl, New York John F Kennedy Intl - Reykjavik Keflavik Intl or New York LaGuardia - Reykjavik Keflavik Intl as they are the most popular.

  • Can I find deals for flights from Connecticut to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on Connecticut to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Connecticut to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Connecticut to Keflavik Intl.

  • Can I find deals for business class flights from Connecticut to Keflavik Intl?

    Yes. Cheapflights offers flight deals from Connecticut 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 Connecticut to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Connecticut to Reykjavik Keflavik Intl Airport (average of $328). Flying from Connecticut 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.

See more FAQs

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Alternative routes for Connecticut to Keflavik Intl

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