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Keflavik Intl

$222+ Cheap flights from Key Largo, FL 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — KEF
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Reykjavik Keflavik Intl are usually found in January or May, booked 16 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Key Largo to Keflavik Intl

Keep the following information in mind while searching for Key Largo to Keflavik Intl flight deals. Data was last updated April 2, 2025.

Round-trip from

$393
(Kiwi.com)

One-way from

$225
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$992
From Key Largo to Reykjavik Keflavik Intl
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One-way flight from Key Largo to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Key Largo to Keflavik Intl

Cheapest flights from Key Largo to Keflavik Intl
Explore the most affordable flight options available from Key Largo to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/13:50 pmMIA - KEF
1 stop33h 05mMultiple Airlines
Thu 5/83:05 pmKEF - MIA
1 stop11h 16mMultiple Airlines
Deal found 4/1$393
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 11/1810:40 pmMIA - KEF
1 stop31h 05mAmerican Airlines
Wed 11/2611:45 amKEF - MIA
1 stop32h 00mAmerican Airlines
Deal found 3/31$639
This oojo deal was found by Cheapflights users on 3/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:10 pmMIA - KEF
2 stops35h 35mBritish Airways
Wed 11/2611:45 amKEF - MIA
2 stops26h 55mBritish Airways
Deal found 3/31$653
This Delta deal was found by Cheapflights users on 4/1. 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 10/103:35 pmMIA - KEF
1 stop13h 55mDelta
Wed 10/158:50 amKEF - MIA
1 stop12h 19mDelta
Deal found 4/1$761
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2210:20 amMIA - KEF
1 stop31h 25mIcelandair
Tue 4/297:55 pmKEF - MIA
1 stop21h 11mIcelandair
Deal found 4/1$765
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 8/136:30 amMIA - KEF
2 stops21h 40mUnited Airlines
Wed 8/279:30 amKEF - MIA
2 stops33h 37mUnited Airlines
Deal found 4/1$785
This Scandinavian Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 10/17:30 amMIA - KEF
2 stops36h 20mScandinavian Airlines
Tue 10/75:10 pmKEF - MIA
2 stops34h 03mScandinavian Airlines
Deal found 4/1$805
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Tue 8/129:40 pmMIA - KEF
2 stops30h 30mAir Canada
Wed 8/209:30 amKEF - MIA
2 stops53h 26mAir Canada
Deal found 3/31$806
This KLM deal was found by Cheapflights users on 3/31. 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 5/1312:57 pmMIA - KEF
1 stop13h 23mKLM
Tue 5/208:50 amKEF - MIA
1 stop13h 17mKLM
Deal found 3/31$808
This Finnair deal was found by Cheapflights users on 3/31. 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 12/1410:40 pmMIA - KEF
2 stops29h 35mFinnair
Tue 12/2310:00 amKEF - MIA
2 stops35h 20mFinnair
Deal found 3/31$815
This SWISS deal was found by Cheapflights users on 4/1. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/24:40 pmMIA - KEF
1 stop15h 40mSWISS
Sat 11/82:20 pmKEF - MIA
1 stop29h 20mSWISS
Deal found 4/1$828
This Lufthansa deal was found by Cheapflights users on 3/31. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:45 pmMIA - KEF
2 stops33h 35mLufthansa
Mon 4/712:25 amKEF - MIA
1 stop18h 15mLufthansa
Deal found 3/31$846

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo 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 2, 2025.
Use the filters below to find and compare flights from Key Largo to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Key Largo

Fly to

Keflavik Intl

Route

Depart

Return

Price

MiamiReykjavik

MIA - KEF

MIAKEF

Miami

Thu 5/1

3:50 pm-4:55 am

1 stop33h 05m

Reykjavik Keflavik Intl

Thu 5/8

3:05 pm-10:21 pm

1 stop11h 16m

$393

MiamiReykjavik

MIA - KEF

MIAKEF

Miami

Tue 4/22

10:20 am-9:45 pm

1 stop31h 25m

Reykjavik Keflavik Intl

Tue 4/29

7:55 pm-1:06 pm

1 stop21h 11m

$765

MiamiReykjavik

MIA - KEF

MIAKEF

Miami

Tue 5/13

12:57 pm-6:20 am

1 stop13h 23m

Reykjavik Keflavik Intl

Tue 5/20

8:50 am-6:07 pm

1 stop13h 17m

$808

MiamiReykjavik

MIA - KEF

MIAKEF

Miami

Wed 5/28

12:20 pm-8:30 am

1 stop16h 10m

Reykjavik Keflavik Intl

Wed 6/4

9:30 am-4:11 pm

2 stops34h 41m

$870

MiamiReykjavik

MIA - KEF

MIAKEF

Miami

Sun 5/25

7:25 am-7:00 am

1 stop19h 35m

Reykjavik Keflavik Intl

Wed 6/4

9:30 am-10:55 pm

1 stop17h 25m

$893

MiamiReykjavik

MIA - KEF

MIAKEF

Miami

Tue 6/3

2:15 pm-8:15 am

2 stops38h 00m

Reykjavik Keflavik Intl

Tue 6/10

9:50 am-8:49 pm

1 stop14h 59m

$899

MiamiReykjavik

MIA - KEF

MIAKEF

Miami

Tue 4/15

7:05 am-4:45 am

1 stop17h 40m

$222

MiamiReykjavik

MIA - KEF

MIAKEF

Miami

Tue 5/20

11:11 am-6:05 am

1 stop14h 54m

$615

MiamiReykjavik

MIA - KEF

MIAKEF

Miami

Sat 4/12

5:57 pm-9:30 am

1 stop11h 33m

$624

MiamiReykjavik

MIA - KEF

MIAKEF

Miami

Wed 5/14

3:55 am-1:50 am

1 stop17h 55m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 15 results
1
2

Best time to book a flight from Key Largo to Keflavik Intl

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

How far ahead should I book a flight from Key Largo to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Keflavik Intl. Price data was last updated on March 28, 2025.

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Reykjavik Keflavik Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Key Largo to Reykjavik Keflavik Intl Airport?

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

What is the cheapest time of day to fly from KE9 to KEF?

Find hourly flight availability from Key Largo 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 2, 2025.

When flying from Key Largo 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.

What is the cheapest day to fly from Key Largo to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Keflavik Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Reykjavik Keflavik Intl Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 2, 2025.
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
KLM
7.8
Good
1,323 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Turkish Airlines
7.3
Good
3,748 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Key Largo 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 Key Largo to Reykjavik Keflavik Intl Airport one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $624. Users have also found prices from $634 and $822 on Icelandair and Alaska Airlines, respectively.

  • What are the cheapest flights from Key Largo to Reykjavik Keflavik Intl Airport?

    On average you can expect to pay $1,022 for a flight from Key Largo to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $221 while the most popular route, (Miami - Reykjavik Keflavik Intl) is currently priced at $447.

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

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

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

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

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

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

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

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

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Top 7 airlines flying from Key Largo to Keflavik Intl

Discover the top 7 airlines that operate flights from Key Largo to Keflavik Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$623Average$777FlexibilityNo cancel feeOn-time67%
KLMCheapest$640Average$1,071FlexibilityNo cancel feeOn-time75%
DeltaCheapest$662Average$952FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$694Average$962FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$761Average$892FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$777Average$900FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$794Average$946FlexibilityNo cancel feeOn-time77%

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