HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$505+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — KEF
Feb 15 — Feb 221
Sun 2/15
Sun 2/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 January 16, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$505
(American Airlines)

Popular in

December

Cheapest in

October
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. 33% potential increase in price ($378 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease ($119 potential savings vs. average RT price).
Search Deals

Find 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 January 16, 2026.

This American Airlines deal was found by Cheapflights users on 1/14. 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.
Wed 4/228:19 pm
JAX
-
KEF
2 stops33h 21m
American Airlines
Tue 4/2810:50 am
KEF
-
JAX
2 stops34h 32m
American Airlines
Deal found 1/14$505
This Finnair deal was found by Cheapflights users on 1/14. 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.
Wed 4/16:50 am
JAX
-
KEF
2 stops45h 00m
Multiple Airlines
Sun 4/55:15 pm
KEF
-
JAX
2 stops33h 43m
Multiple Airlines
Deal found 1/14$559
This Trip.com deal was found by Cheapflights users on 1/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:12 am
JAX
-
KEF
1 stop15h 08m
Multiple Airlines
Tue 4/285:00 pm
KEF
-
JAX
1 stop21h 16m
Multiple Airlines
Deal found 1/14$596
This Ovago deal was found by Cheapflights users on 1/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:05 am
JAX
-
KEF
1 stop18h 25m
Scandinavian Airlines
Sat 5/911:25 am
KEF
-
JAX
1 stop13h 45m
Scandinavian Airlines
Deal found 1/15$604
This KLM deal was found by Cheapflights users on 1/15. 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.
Sat 5/25:39 pm
JAX
-
KEF
2 stops11h 51m
Multiple Airlines
Sat 5/99:30 am
KEF
-
JAX
2 stops13h 25m
Multiple Airlines
Deal found 1/15$609
This FlightHub deal was found by Cheapflights users on 1/14. 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.
Wed 2/2510:43 am
JAX
-
KEF
1 stop14h 27m
Multiple Airlines
Fri 3/65:00 pm
KEF
-
JAX
1 stop31h 38m
Multiple Airlines
Deal found 1/14$630
This Expedia deal was found by Cheapflights users on 1/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:38 pm
JAX
-
KEF
1 stop28h 27m
Multiple Airlines
Mon 3/95:00 pm
KEF
-
JAX
2 stops31h 26m
Multiple Airlines
Deal found 1/15$692
This Air Canada deal was found by Cheapflights users on 1/14. 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.
Wed 8/2610:50 am
JAX
-
KEF
1 stop17h 55m
Air Canada
Wed 9/99:15 am
KEF
-
JAX
2 stops36h 38m
Air Canada
Deal found 1/14$717
This United Airlines deal was found by Cheapflights users on 1/14. 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 8/252:00 pm
JAX
-
KEF
1 stop14h 50m
United Airlines
Wed 9/210:00 am
KEF
-
JAX
2 stops39h 08m
United Airlines
Deal found 1/14$718

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 January 16, 2026.
Use the filters below to find and compare flights from Jacksonville to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Jacksonville

Fly to

Keflavik Intl

Route

Depart

Return

Price

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Wed 4/22

8:19 pm-9:40 am

2 stops33h 21m

Reykjavik Keflavik Intl

Tue 4/28

10:50 am-9:13 am

3 stops26h 23m

$510

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Wed 4/1

6:50 am-7:50 am

2 stops45h 00m

Reykjavik Keflavik Intl

Sun 4/5

5:15 pm-10:58 pm

2 stops33h 43m

$559

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Sat 5/2

11:05 am-9:30 am

1 stop18h 25m

Reykjavik Keflavik Intl

Sat 5/9

11:25 am-9:10 pm

1 stop13h 45m

$604

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Sat 5/2

5:39 pm-9:30 am

2 stops11h 51m

Reykjavik Keflavik Intl

Sat 5/9

11:25 am-9:10 pm

1 stop13h 45m

$609

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Mon 3/2

8:38 pm-6:05 am

1 stop28h 27m

Reykjavik Keflavik Intl

Mon 3/9

4:50 pm-9:52 am

1 stop21h 02m

$650

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Wed 2/25

8:38 pm-6:05 am

1 stop28h 27m

Reykjavik Keflavik Intl

Fri 3/6

5:00 pm-7:38 pm

1 stop31h 38m

$676

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Sat 2/7

7:10 pm-6:10 am

1 stop30h 00m

Reykjavik Keflavik Intl

Thu 2/12

5:00 pm-7:43 pm

1 stop31h 43m

$738

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Fri 2/6

12:00 pm-6:05 am

1 stop13h 05m

Reykjavik Keflavik Intl

Sun 2/15

5:00 pm-7:43 pm

1 stop31h 43m

$785

JacksonvilleReykjavik

JAX - KEF

JAXKEF

Jacksonville

Fri 5/22

3:45 pm-6:25 am

1 stop10h 40m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Jacksonville-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 January 16, 2026.
Read reviews from past customers who have flown United 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.
United Airlines
7.4
Good
9,163 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,163 reviews
United Airlines
7.4
Good
9,163 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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. 1 airline has 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 18h 25m. American Airlines provides one of the quickest options available for as low as $604. The distance between Jacksonville and Reykjavik Keflavik Intl Airport is about 3414 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Jacksonville to Reykjavik Keflavik Intl Airport round-trip?

    Currently priced at $609, United Airlines will fly you from Jacksonville to Reykjavik Keflavik Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

  • 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

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.

Top airline flying from Jacksonville to Keflavik Intl

Discover the top airline 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 January 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$609Average$1,101FlexibilityNo cancel feeOn-time69%

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.
Site
Cookie settings©2026 Cheapflights