HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$236+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — KEF
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Connecticut to Keflavik Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 24, 2025.

Round-trip from

$355
(CrystalTravel)

One-way from

$264
(Mytrip)
From Connecticut to Reykjavik Keflavik Intl
Search Deals
One-way flight from Connecticut to Reykjavik Keflavik Intl
Search Deals

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 April 24, 2025.

This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2411:10 pmJFK - KEF
Nonstop5h 45mIcelandair
Wed 4/305:00 pmKEF - JFK
Nonstop6h 10mIcelandair
Deal found 4/23$347
This lastminute.com deal was found by Cheapflights users on 4/23. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2411:50 pmJFK - KEF
Nonstop5h 40mVirgin Atlantic
Wed 4/3011:25 amKEF - JFK
Nonstop6h 05mVirgin Atlantic
Deal found 4/23$372
This CrystalTravel deal was found by Cheapflights users on 4/23. 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.
Thu 5/88:25 pmEWR - KEF
Nonstop5h 50mIcelandair
Tue 5/135:00 pmKEF - EWR
Nonstop6h 10mIcelandair
Deal found 4/23$381
This Delta deal was found by Cheapflights users on 4/22. 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 4/2411:50 pmJFK - KEF
Nonstop5h 40mDelta
Wed 4/3011:25 amKEF - JFK
Nonstop6h 05mDelta
Deal found 4/22$381
This AirNGo deal was found by Cheapflights users on 4/22. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/311:55 pmJFK - KEF
Nonstop5h 35mAir France
Sun 5/118:50 amKEF - JFK
1 stop18h 24mAir France
Deal found 4/22$387
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/163:50 pmLGA - KEF
1 stop12h 25mAir Canada
Sun 8/249:50 amKEF - LGA
1 stop13h 13mAir Canada
Deal found 4/23$389
This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:30 pmEWR - KEF
1 stop9h 45mAir Canada
Sun 8/249:50 amKEF - EWR
1 stop13h 18mAir Canada
Deal found 4/23$389
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 8/159:55 pmEWR - KEF
1 stop30h 35mUnited Airlines
Sun 8/249:50 amKEF - EWR
1 stop31h 17mUnited Airlines
Deal found 4/22$394
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/167:20 amLGA - KEF
1 stop21h 10mUnited Airlines
Sun 8/249:50 amKEF - LGA
1 stop27h 33mUnited Airlines
Deal found 4/23$395
This KLM deal was found by Cheapflights users on 4/22. 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.
Sun 5/2512:57 pmJFK - KEF
1 stop13h 23mMultiple Airlines
Tue 6/311:25 amKEF - JFK
Nonstop6h 00mMultiple Airlines
Deal found 4/22$396
This KLM deal was found by Cheapflights users on 4/22. 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.
Sun 5/2512:58 pmLGA - KEF
1 stop13h 22mKLM
Tue 6/38:50 amKEF - LGA
1 stop10h 59mKLM
Deal found 4/22$402
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 8/146:55 amJFK - KEF
1 stop21h 20mUnited Airlines
Fri 8/229:50 amKEF - JFK
1 stop28h 00mUnited Airlines
Deal found 4/23$408

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 April 24, 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

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Sat 7/12

11:10 pm-8:55 am

Nonstop5h 45m

Reykjavik Keflavik Intl

Thu 7/17

7:55 pm-10:10 pm

Nonstop6h 15m

$351

NewarkReykjavik

EWR - KEF

EWRKEF

Newark

Thu 5/8

8:25 pm-6:15 am

Nonstop5h 50m

Reykjavik Keflavik Intl

Tue 5/13

5:00 pm-7:10 pm

Nonstop6h 10m

$381

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Sat 5/3

11:55 pm-9:30 am

Nonstop5h 35m

Reykjavik Keflavik Intl

Sun 5/11

11:25 am-1:30 pm

Nonstop6h 05m

$382

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Sat 5/3

11:55 pm-9:30 am

Nonstop5h 35m

Reykjavik Keflavik Intl

Mon 5/12

11:25 am-1:30 pm

Nonstop6h 05m

$386

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Thu 5/1

11:55 pm-9:30 am

Nonstop5h 35m

Reykjavik Keflavik Intl

Sun 5/4

11:25 am-1:30 pm

Nonstop6h 05m

$395

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Sun 5/25

12:57 pm-6:20 am

1 stop13h 23m

Reykjavik Keflavik Intl

Tue 6/3

11:25 am-1:25 pm

Nonstop6h 00m

$396

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Sun 5/25

12:58 pm-6:20 am

1 stop13h 22m

Reykjavik Keflavik Intl

Tue 6/3

8:50 am-3:49 pm

1 stop10h 59m

$402

NewarkReykjavik

EWR - KEF

EWRKEF

Newark

Thu 5/29

12:40 pm-7:00 am

1 stop14h 20m

Reykjavik Keflavik Intl

Wed 6/4

9:30 am-5:30 pm

1 stop12h 00m

$409

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Thu 5/8

4:59 pm-6:20 am

1 stop9h 21m

Reykjavik Keflavik Intl

Sun 5/11

8:50 am-11:14 pm

1 stop18h 24m

$409

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Wed 5/28

11:43 am-7:00 am

1 stop15h 17m

Reykjavik Keflavik Intl

Mon 6/2

8:50 am-2:38 pm

1 stop9h 48m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 60 results
1
2
3
...
6

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 April 24, 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 April 24, 2025.
To help decide which airline to fly from Connecticut to Reykjavik, see what other customers have to say about Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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
1,272 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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.
Air France
7.4
Good
1,442 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.9

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 $329. Users have also found prices from $387 and $412 on Scandinavian Airlines and Air Canada, 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

Traveling to a place near Connecticut?

Book flights to Connecticut if you plan to visit one of these locations
Keflavik

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Connecticut to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Keflavik Intl flights
John F Kennedy Intl to Keflavik Intl flights
Boston to Keflavik Intl flights
O'Hare Intl to Keflavik Intl flights
Dulles Intl to Keflavik Intl flights
LaGuardia to Keflavik Intl flights
Baltimore to Keflavik Intl flights
Seattle to Keflavik Intl flights
Stewart to Keflavik Intl flights
Reagan-National to Keflavik Intl flights
Dallas/Fort Worth to Keflavik Intl flights
San Francisco to Keflavik Intl flights
Los Angeles to Keflavik Intl flights
Minneapolis to Keflavik Intl flights
Raleigh to Keflavik Intl flights
Denver to Keflavik Intl flights
Orlando to Keflavik Intl flights
Nashville to Keflavik Intl flights
Midway to Keflavik Intl flights
Atlanta to Keflavik Intl flights
Detroit to Keflavik Intl flights
Hobby to Keflavik Intl flights
Love Field to Keflavik Intl flights
Portland to Keflavik Intl flights
San Diego to Keflavik Intl flights
Sky Harbor Intl to Keflavik Intl flights
Miami to Keflavik Intl flights
Austin to Keflavik Intl flights
San Jose to Keflavik Intl flights
George Bush Intcntl to Keflavik Intl flights
Salt Lake City to Keflavik Intl flights
Charlotte to Keflavik Intl flights
Oakland to Keflavik Intl flights
Las Vegas to Keflavik Intl flights
Philadelphia to Keflavik Intl flights
Kansas City to Keflavik Intl flights
Cincinnati to Keflavik Intl flights
Ontario to Keflavik Intl flights
Santa Ana to Keflavik Intl flights
Tampa to Keflavik Intl flights
Burbank to Keflavik Intl flights
Cleveland to Keflavik Intl flights
Pittsburgh to Keflavik Intl flights
St. Louis to Keflavik Intl flights
Columbus to Keflavik Intl flights
Fort Lauderdale to Keflavik Intl flights
Jacksonville to Keflavik Intl flights
Indianapolis to Keflavik Intl flights
Providence to Keflavik Intl flights
Omaha to Keflavik Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.