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Keflavik Intl

$678+ Cheap flights from Jacksonville (JAX) to Keflavik Intl (KEF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — KEF
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap flight deals from Jacksonville to Keflavik Intl

Cheapest flights from Jacksonville to Keflavik Intl
Explore the most affordable flight options available from Jacksonville to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.

This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:44 pm
JAX
-
KEF
1 stop11h 26m
Icelandair
Fri 10/27:55 pm
KEF
-
JAX
1 stop18h 55m
Icelandair
Deal found 7/30$678
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:05 am
JAX
-
KEF
1 stop14h 00m
Icelandair
Sun 11/85:00 pm
KEF
-
JAX
1 stop30h 10m
Icelandair
Deal found 7/30$683
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:10 pm
JAX
-
KEF
1 stop29h 55m
Icelandair
Sat 10/247:50 pm
KEF
-
JAX
1 stop18h 02m
Icelandair
Deal found 7/30$685
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:46 pm
JAX
-
KEF
1 stop28h 19m
Icelandair
Fri 12/114:50 pm
KEF
-
JAX
1 stop11h 29m
Icelandair
Deal found 7/30$688
This oojo deal was found by Cheapflights users on 8/1. 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.
Sat 8/2910:06 am
JAX
-
KEF
1 stop18h 04m
Icelandair
Sat 9/57:55 pm
KEF
-
JAX
1 stop17h 20m
Icelandair
Deal found 8/1$691
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1611:41 am
JAX
-
KEF
1 stop14h 24m
Icelandair
Fri 9/257:50 pm
KEF
-
JAX
1 stop22h 45m
Icelandair
Deal found 7/30$696
This oojo deal was found by Cheapflights users on 8/1. 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 9/153:10 pm
JAX
-
KEF
1 stop11h 10m
Icelandair
Mon 9/285:00 pm
KEF
-
JAX
1 stop29h 10m
Icelandair
Deal found 8/1$697
This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:55 pm
JAX
-
KEF
1 stop29h 10m
Icelandair
Sat 9/57:55 pm
KEF
-
JAX
1 stop28h 53m
Icelandair
Deal found 7/28$698
This oojo deal was found by Cheapflights users on 7/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:05 am
JAX
-
KEF
1 stop20h 15m
Icelandair
Fri 9/115:00 pm
KEF
-
JAX
1 stop25h 32m
Icelandair
Deal found 7/30$701
This Justfly.com deal was found by Cheapflights users on 7/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:44 pm
JAX
-
KEF
1 stop11h 26m
Multiple Airlines
Mon 9/217:55 pm
KEF
-
JAX
1 stop18h 55m
Multiple Airlines
Deal found 7/31$705
This Justfly.com deal was found by Cheapflights users on 7/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:05 am
JAX
-
KEF
1 stop14h 00m
Multiple Airlines
Sat 11/74:50 pm
KEF
-
JAX
1 stop22h 02m
Multiple Airlines
Deal found 7/29$714

Find flight deals from Jacksonville to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) 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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$678
(oojo)

Popular in

December

Cheapest in

November

Average price

$1,023
Provider with most accurate pricing for Jacksonville-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jacksonville-Reykjavik Keflavik Intl flights.
Search Deals
From Jacksonville to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($116 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Jacksonville 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 August 2, 2026.
Use the filters below to find and compare flights from Jacksonville to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Thu 1/21

12:00 pm-6:05 am

1 stop13h 05m

Reykjavik Keflavik Intl

Sun 1/24

5:00 pm-11:09 am

1 stop23h 09m

$735

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Sat 8/29

10:06 am-8:10 am

1 stop18h 04m

Reykjavik Keflavik Intl

Sun 9/6

7:50 pm-10:25 am

1 stop18h 35m

$840

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Thu 10/29

4:03 pm-10:00 am

3 stops37h 57m

Reykjavik Keflavik Intl

Mon 11/2

12:00 pm-5:57 pm

1 stop10h 57m

$846
Quickest round-trip

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Sat 8/22

5:10 pm-9:25 am

1 stop12h 15m

Reykjavik Keflavik Intl

Sat 9/5

7:55 pm-9:15 am

1 stop17h 20m

$856

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Fri 9/25

7:00 am-8:50 am

2 stops21h 50m

Reykjavik Keflavik Intl

Wed 9/30

9:15 am-8:54 pm

2 stops39h 39m

$859

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Tue 9/15

12:11 pm-10:25 am

2 stops18h 14m

Reykjavik Keflavik Intl

Wed 9/23

5:35 pm-10:42 pm

2 stops33h 07m

$862

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Fri 10/16

4:58 pm-8:50 am

1 stop11h 52m

Reykjavik Keflavik Intl

Sat 10/24

10:00 am-2:20 pm

2 stops32h 20m

$876

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Sorted by cheapest first

Compare providers for flights from Jacksonville to Keflavik Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Jacksonville to Keflavik Intl in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Jacksonville-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Jacksonville-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Jacksonville-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Jacksonville-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Jacksonville-Reykjavik Keflavik Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Jacksonville to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Jacksonville 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.

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 August 2, 2026.
Read reviews from past customers who have flown KLM,Delta, andUnited Airlines from Jacksonville to Reykjavik Keflavik Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,552 reviews

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,552 reviews
KLM
7.8
Good
1,552 reviews

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Delta
7.8
Good
8,493 reviews
KLM
7.8
Good
1,552 reviews

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
10,062 reviews
KLM
7.8
Good
1,552 reviews

Crew

8.4

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Jacksonville 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 Jacksonville to Reykjavik Keflavik Intl?

    For a flight from Jacksonville to Reykjavik Keflavik Intl, you will be flying from Jacksonville. Jacksonville (JAX) is just 11.2 mi from the center of the city. Jacksonville is the only Jacksonville airport and it handles 0 outbound flights to Reykjavik Keflavik Intl per day. 3 airlines have flights to Reykjavik Keflavik Intl from Jacksonville on a regular basis.

  • How long is the flight from Jacksonville to Reykjavik Keflavik Intl Airport?

    A quick flight from Jacksonville to Reykjavik Keflavik Intl Airport can take about 37h 57m. United Airlines provides one of the quickest options available for as low as $846. The distance between Jacksonville and Reykjavik Keflavik Intl Airport is about 3414 mi.

  • What are the cheapest airlines flying from Jacksonville to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $257, Delta will fly you from Jacksonville to Reykjavik Keflavik Intl Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and United Airlines - these airlines can fly you to your destination from $554 and $704, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Jacksonville 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.

See more FAQs

Traveling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Keflavik
Hveragerdi

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Alternative routes for Jacksonville to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Jacksonville to Keflavik Intl

Discover the top 3 airlines that operate flights from Jacksonville 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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$257Average$1,299FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$554Average$1,049FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$704Average$1,365FlexibilityNo cancel feeOn-time69%

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