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Keflavik Intl

$212+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
BDL — KEF
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
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 June 23, 2025.

Round-trip from

$377
(United Airlines)

One-way from

$212
(Trip.com)
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 June 23, 2025.

This Air Canada deal was found by Cheapflights users on 6/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/177:45 pmLGA - KEF
1 stop8h 30mAir Canada
Tue 8/269:50 amKEF - LGA
1 stop10h 03mAir Canada
Deal found 6/23$381
This Air Canada deal was found by Cheapflights users on 6/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/173:55 pmJFK - KEF
1 stop12h 20mAir Canada
Tue 8/269:50 amKEF - JFK
1 stop9h 25mAir Canada
Deal found 6/23$381
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Thu 8/77:10 pmLGA - KEF
1 stop9h 00mUnited Airlines
Wed 8/139:30 amKEF - LGA
2 stops28h 18mUnited Airlines
Deal found 6/22$383
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1711:50 pmJFK - KEF
Nonstop5h 40mDelta
Wed 8/2711:25 amKEF - JFK
Nonstop6h 05mDelta
Deal found 6/23$384
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/177:59 amLGA - KEF
2 stops18h 21mDelta
Tue 8/268:50 amKEF - LGA
1 stop9h 40mDelta
Deal found 6/23$386
This United Airlines deal was found by Cheapflights users on 6/21. 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 8/79:00 amJFK - KEF
1 stop19h 10mUnited Airlines
Wed 8/139:30 amKEF - JFK
1 stop16h 17mUnited Airlines
Deal found 6/21$386
This United deal was found by Cheapflights users on 6/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:30 amJFK - KEF
1 stop17h 45mMultiple Airlines
Wed 8/139:30 amKEF - JFK
1 stop16h 17mMultiple Airlines
Deal found 6/22$393
This CrystalTravel deal was found by Cheapflights users on 6/22. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/287:35 pmJFK - KEF
Nonstop5h 45mIcelandair
Mon 12/15:10 pmKEF - JFK
Nonstop6h 10mIcelandair
Deal found 6/22$400
This Finnair deal was found by Cheapflights users on 6/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3010:45 pmJFK - KEF
1 stop29h 30mFinnair
Sat 12/66:00 pmKEF - JFK
1 stop30h 05mFinnair
Deal found 6/22$408
This Virgin Atlantic deal was found by Cheapflights users on 6/22. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/711:50 pmJFK - KEF
Nonstop5h 40mVirgin Atlantic
Wed 8/1311:25 amKEF - JFK
Nonstop6h 05mVirgin Atlantic
Deal found 6/22$416
This Kissandfly.com deal was found by Cheapflights users on 6/21. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/710:15 amLGA - KEF
1 stop17h 55mLufthansa
Wed 8/139:30 amKEF - LGA
1 stop13h 00mLufthansa
Deal found 6/21$418
This FlightHub deal was found by Cheapflights users on 6/21. 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.
Thu 7/108:25 pmEWR - KEF
Nonstop5h 50mIcelandair
Mon 7/145:00 pmKEF - EWR
Nonstop6h 10mIcelandair
Deal found 6/21$430

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 June 23, 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

Sun 8/17

7:45 pm-8:15 am

1 stop8h 30m

Reykjavik Keflavik Intl

Mon 8/25

9:50 am-8:53 pm

1 stop15h 03m

$381

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Sun 8/17

3:55 pm-8:15 am

1 stop12h 20m

Reykjavik Keflavik Intl

Tue 8/26

9:50 am-3:15 pm

1 stop9h 25m

$381

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Thu 8/7

7:10 pm-8:10 am

1 stop9h 00m

Reykjavik Keflavik Intl

Wed 8/13

9:30 am-9:48 am

2 stops28h 18m

$383

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Sun 8/17

11:50 pm-9:30 am

Nonstop5h 40m

Reykjavik Keflavik Intl

Wed 8/27

11:25 am-1:30 pm

Nonstop6h 05m

$384

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Sun 8/17

7:59 am-6:20 am

2 stops18h 21m

Reykjavik Keflavik Intl

Tue 8/26

8:50 am-2:30 pm

1 stop9h 40m

$386

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Thu 8/7

9:00 am-8:10 am

1 stop19h 10m

Reykjavik Keflavik Intl

Wed 8/13

9:30 am-9:47 pm

1 stop16h 17m

$386

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Thu 8/7

10:30 am-8:15 am

1 stop17h 45m

Reykjavik Keflavik Intl

Wed 8/13

9:30 am-9:47 pm

1 stop16h 17m

$393

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Sun 9/21

8:25 pm-6:15 am

Nonstop5h 50m

Reykjavik Keflavik Intl

Sun 9/28

5:00 pm-7:10 pm

Nonstop6h 10m

$402

New YorkReykjavik

JFK - KEF

JFKKEF

New York John F Kennedy Intl

Thu 8/7

11:50 pm-9:30 am

Nonstop5h 40m

Reykjavik Keflavik Intl

Wed 8/13

11:25 am-1:30 pm

Nonstop6h 05m

$416

New YorkReykjavik

LGA - KEF

LGAKEF

New York LaGuardia

Thu 8/7

10:15 am-8:10 am

1 stop17h 55m

Reykjavik Keflavik Intl

Wed 8/13

9:30 am-6:30 pm

1 stop13h 00m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

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 June 23, 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 June 23, 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
7,965 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,365 reviews
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
805 reviews
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,295 reviews
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,470 reviews
Delta
8.0
Very good
7,965 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Air Canada. According to our data, you can fly for as low as $309. Users have also found prices from $328 and $333 on Icelandair and United Airlines, 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 New York John F Kennedy Intl - Reykjavik Keflavik Intl, Newark - 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 June is currently the most expensive (average of $653). 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
Hveragerdi

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