$679+ 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
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Jacksonville 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 Jacksonville to Keflavik Intl
Cheapest
Best
Last-minute
Cheapest flights from Jacksonville to Keflavik IntlExplore 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 September 4, 2026.
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 September 4, 2026.
This oojo deal was found by Cheapflights users on 9/2. 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 -
1 stop11h 26m
Fri 10/27:55 pm -
1 stop18h 56m
Deal found 9/2![Icelandair logo]()
$679
This oojo deal was found by Cheapflights users on 8/31. 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 10/138:30 pm -
1 stop31h 40m
Tue 10/207:50 pm -
1 stop26h 12m
Deal found 8/31![Icelandair logo]()
$684
This oojo deal was found by Cheapflights users on 9/3. 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 10/168:46 pm -
1 stop29h 19m
Sat 10/245:00 pm -
1 stop20h 29m
Deal found 9/3![Icelandair logo]()
$686
This oojo deal was found by Cheapflights users on 9/2. 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 9/147:00 pm -
1 stop9h 55m
Mon 9/217:55 pm -
1 stop18h 55m
Deal found 9/2![Icelandair logo]()
$698
This Icelandair deal was found by Cheapflights users on 8/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:12 am -
1 stop18h 58m
Tue 12/225:00 pm -
1 stop10h 20m
Deal found 8/30![Multiple Airlines logo]()
$798
This oojo deal was found by Cheapflights users on 9/1. 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.
Thu 10/17:10 pm -
1 stop30h 55m
Thu 10/85:00 pm -
1 stop29h 10m
Deal found 9/1![Icelandair logo]()
$811
This oojo deal was found by Cheapflights users on 9/2. 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 10/138:30 pm -
1 stop31h 40m
Sun 10/185:10 pm -
1 stop20h 44m
Deal found 9/2![Icelandair logo]()
$816
This Icelandair deal was found by Cheapflights users on 9/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 pm -
1 stop9h 55m
Sat 9/267:50 pm -
1 stop18h 50m
Deal found 9/3![Multiple Airlines logo]()
$842
This oojo deal was found by Cheapflights users on 9/2. 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 9/257:00 pm -
1 stop31h 20m
Fri 10/27:55 pm -
1 stop18h 56m
Deal found 9/2![Icelandair logo]()
$851
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:40 am -
2 stops18h 15m
Tue 10/2010:00 am -
2 stops41h 20m
Deal found 8/31![United Airlines logo]()
$860
Best flights from Jacksonville to Keflavik IntlDiscover carefully curated flight deals from Jacksonville to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Jacksonville to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Icelandair deal was found by Cheapflights users on 8/30. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:12 am -
1 stop18h 58m
Tue 12/225:00 pm -
1 stop10h 20m
Deal found 8/30![Multiple Airlines logo]()
$798
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:40 am -
2 stops18h 15m
Tue 10/2010:00 am -
2 stops41h 20m
Deal found 8/31![United Airlines logo]()
$860
This oojo deal was found by Cheapflights users on 8/30. 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 10/97:00 pm -
1 stop31h 20m
Fri 10/167:50 pm -
1 stop22h 30m
Deal found 8/30![Icelandair logo]()
$913
This Icelandair deal was found by Cheapflights users on 9/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/153:10 pm -
1 stop10h 20m
Mon 1/184:50 pm -
1 stop21h 20m
Deal found 9/3![Multiple Airlines logo]()
$807
This Icelandair deal was found by Cheapflights users on 9/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1110:00 am -
1 stop15h 10m
Fri 1/155:00 pm -
1 stop22h 35m
Deal found 9/2![Multiple Airlines logo]()
$808
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Thu 10/17:00 am -
2 stops20h 55m
Thu 10/812:00 pm -
1 stop11h 09m
Deal found 9/1![United Airlines logo]()
$936
This Icelandair deal was found by Cheapflights users on 9/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 pm -
1 stop9h 55m
Sat 9/267:50 pm -
1 stop18h 50m
Deal found 9/3![Multiple Airlines logo]()
$842
This Icelandair deal was found by Cheapflights users on 9/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:44 pm -
1 stop11h 26m
Sat 9/267:50 pm -
1 stop18h 50m
Deal found 9/2![Multiple Airlines logo]()
$862
This Icelandair deal was found by Cheapflights users on 9/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:45 pm -
1 stop11h 25m
Tue 9/297:50 pm -
1 stop22h 30m
Deal found 9/3![Multiple Airlines logo]()
$871
Last-minute flights from Jacksonville to Keflavik IntlDiscover last-minute flight deals from Jacksonville to Keflavik Intl. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Keflavik Intl. Data last updated September 4, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 9/2. 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 9/147:00 pm -
1 stop9h 55m
Mon 9/217:55 pm -
1 stop18h 55m
Deal found 9/2![Icelandair logo]()
$698
This Icelandair deal was found by Cheapflights users on 9/3. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:00 pm -
1 stop9h 55m
Sat 9/267:50 pm -
1 stop18h 50m
Deal found 9/3![Multiple Airlines logo]()
$842
This Icelandair deal was found by Cheapflights users on 9/2. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:44 pm -
1 stop11h 26m
Sat 9/267:50 pm -
1 stop18h 50m
Deal found 9/2![Multiple Airlines logo]()
$862
This oojo deal was found by Cheapflights users on 9/2. 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 -
1 stop11h 26m
Fri 10/27:55 pm -
1 stop18h 56m
Deal found 9/2![Icelandair logo]()
$679
This oojo deal was found by Cheapflights users on 9/2. 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 9/257:00 pm -
1 stop31h 20m
Fri 10/27:55 pm -
1 stop18h 56m
Deal found 9/2![Icelandair logo]()
$851
This oojo deal was found by Cheapflights users on 9/1. 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.
Thu 10/17:10 pm -
1 stop30h 55m
Thu 10/85:00 pm -
1 stop29h 10m
Deal found 9/1![Icelandair logo]()
$811
This oojo deal was found by Cheapflights users on 8/31. 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 10/138:30 pm -
1 stop31h 40m
Tue 10/207:50 pm -
1 stop26h 12m
Deal found 8/31![Icelandair logo]()
$684
This oojo deal was found by Cheapflights users on 9/2. 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 10/138:30 pm -
1 stop31h 40m
Sun 10/185:10 pm -
1 stop20h 44m
Deal found 9/2![Icelandair logo]()
$816
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:40 am -
2 stops18h 15m
Tue 10/2010:00 am -
2 stops41h 20m
Deal found 8/31![United Airlines logo]()
$860
This oojo deal was found by Cheapflights users on 9/3. 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 10/168:46 pm -
1 stop29h 19m
Sat 10/245:00 pm -
1 stop20h 29m
Deal found 9/3![Icelandair logo]()
$686
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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $679 (oojo) |
Popular in | December |
Cheapest in | November |
Average price | $878 |
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 7,457,451 searches. Data last updated September 4, 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
Cheapest round-trip
JacksonvilleReykjavik
JAX Jacksonville - KEF Reykjavik Keflavik Intl
JAXKEF
Jacksonville
Wed 12/9
6:12 am-6:10 am
1 stop18h 58m
Reykjavik Keflavik Intl
Tue 12/22
5:00 pm-10:20 pm
1 stop10h 20m
$798
JacksonvilleReykjavik
JAX Jacksonville - KEF Reykjavik Keflavik Intl
JAXKEF
Jacksonville
Fri 1/15
3:10 pm-6:30 am
1 stop10h 20m
Reykjavik Keflavik Intl
Mon 1/18
4:50 pm-9:10 am
1 stop21h 20m
$807
JacksonvilleReykjavik
JAX Jacksonville - KEF Reykjavik Keflavik Intl
JAXKEF
Jacksonville
Mon 1/11
10:00 am-6:10 am
1 stop15h 10m
Reykjavik Keflavik Intl
Fri 1/15
5:00 pm-10:35 am
1 stop22h 35m
$808
Quickest round-trip
JacksonvilleReykjavik
JAX Jacksonville - KEF Reykjavik Keflavik Intl
JAXKEF
Jacksonville
Tue 9/15
7:00 pm-8:55 am
1 stop9h 55m
Reykjavik Keflavik Intl
Sat 9/26
7:50 pm-10:40 am
1 stop18h 50m
$842
JacksonvilleReykjavik
JAX Jacksonville - KEF Reykjavik Keflavik Intl
JAXKEF
Jacksonville
Tue 10/13
9:40 am-7:55 am
2 stops18h 15m
Reykjavik Keflavik Intl
Tue 10/20
10:00 am-11:20 pm
2 stops41h 20m
$860
JacksonvilleReykjavik
JAX Jacksonville - KEF Reykjavik Keflavik Intl
JAXKEF
Jacksonville
Mon 9/21
4:44 pm-8:10 am
1 stop11h 26m
Reykjavik Keflavik Intl
Sat 9/26
7:50 pm-10:40 am
1 stop18h 50m
$862
JacksonvilleReykjavik
JAX Jacksonville - KEF Reykjavik Keflavik Intl
JAXKEF
Jacksonville
Thu 9/24
5:45 pm-9:10 am
1 stop11h 25m
Reykjavik Keflavik Intl
Tue 9/29
7:50 pm-2:20 pm
1 stop22h 30m
$871
JacksonvilleReykjavik
JAX Jacksonville - KEF Reykjavik Keflavik Intl
JAXKEF
Jacksonville
Fri 10/9
7:00 pm-6:20 am
1 stop31h 20m
Reykjavik Keflavik Intl
Fri 10/16
7:50 pm-2:20 pm
1 stop22h 30m
$913
JacksonvilleReykjavik
JAX Jacksonville - KEF Reykjavik Keflavik Intl
JAXKEF
Jacksonville
Thu 10/1
7:00 am-7:55 am
2 stops20h 55m
Reykjavik Keflavik Intl
Thu 10/8
12:00 pm-7:09 pm
1 stop11h 09m
$936
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
JAX-KEF
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 September 4, 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.
Food
7.3
Comfort
7.7
Boarding
7.8
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Comfort
7.7
Boarding
7.8
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Comfort
7.7
Boarding
7.8
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Food
7.3
Comfort
7.7
Boarding
7.8
Crew
8.4
Entertainment
7.2
Overall
7.8
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
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.
Traveling to a place near Reykjavik Keflavik Intl Airport?
Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locationsKeflavik
Hveragerdi
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Explore flights to Keflavik Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Jacksonville and Keflavik Intl flights
Browse other Jacksonville and Keflavik Intl flight options. Last updated on September 4, 2026.
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$257 | Average$1,299 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$554 | Average$1,049 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$704 | Average$1,365 | FlexibilityNo cancel fee | On-time69% |