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Keflavik Intl

$369+ Cheap flights from Atlanta (ATL) 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — KEF
Jan 30 — Feb 61
Fri 1/30
Fri 2/6
1 adult, Economy
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Cheap flight deals from Atlanta to Keflavik Intl

Cheapest flights from Atlanta to Keflavik Intl
Explore the most affordable flight options available from Atlanta to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 pmATL - KEF
2 stops33h 45mMultiple Airlines
Wed 1/75:00 pmKEF - ATL
1 stop12h 39mMultiple Airlines
Deal found 12/30$1,401
This Kiwi.com deal was found by Cheapflights users on 12/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:46 pmATL - KEF
1 stop26h 09mMultiple Airlines
Tue 1/66:30 pmKEF - ATL
2 stops32h 11mMultiple Airlines
Deal found 12/29$1,652
This FlightHub deal was found by Cheapflights users on 12/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amATL - KEF
1 stop19h 05mMultiple Airlines
Sat 1/39:55 amKEF - ATL
1 stop17h 10mMultiple Airlines
Deal found 12/28$1,820
This Kiwi.com deal was found by Cheapflights users on 12/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:40 pmATL - KEF
2 stops33h 40mMultiple Airlines
Sun 1/44:55 pmKEF - ATL
1 stop17h 35mMultiple Airlines
Deal found 12/29$1,902

Find flight deals from Atlanta to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) 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 December 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$466
(Trip.com)

One-way from

$369
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$1,015
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Reykjavik Keflavik Intl flights.
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From Atlanta Hartsfield-Jackson to Reykjavik Keflavik Intl
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One-way flight from Atlanta Hartsfield-Jackson to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 7% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta 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 December 31, 2025.
Use the filters below to find and compare flights from Atlanta to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Atlanta

Fly to

Keflavik Intl

Route

Depart

Return

Price

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 4/19

7:25 pm-10:25 am

2 stops35h 00m

Reykjavik Keflavik Intl

Wed 4/29

11:15 am-5:25 pm

2 stops34h 10m

$717

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 5/10

12:15 pm-9:30 am

1 stop17h 15m

Reykjavik Keflavik Intl

Tue 5/19

11:25 am-7:43 pm

1 stop12h 18m

$733

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 4/5

8:55 am-9:30 am

2 stops20h 35m

Reykjavik Keflavik Intl

Mon 4/13

11:25 am-11:28 pm

2 stops16h 03m

$742

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Fri 5/1

5:45 pm-9:30 am

1 stop11h 45m

Reykjavik Keflavik Intl

Wed 5/13

9:30 am-8:07 pm

1 stop14h 37m

$753

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Fri 5/1

3:35 pm-9:30 am

2 stops13h 55m

Reykjavik Keflavik Intl

Wed 5/13

8:50 am-6:01 pm

1 stop13h 11m

$757

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sat 3/7

8:10 pm-9:45 pm

1 stop20h 35m

Reykjavik Keflavik Intl

Sat 3/14

4:50 pm-10:53 am

1 stop22h 03m

$759

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 4/5

7:48 am-9:30 am

2 stops21h 42m

Reykjavik Keflavik Intl

Sun 4/12

11:25 am-7:54 am

2 stops24h 29m

$767

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Mon 3/16

9:00 pm-4:50 pm

1 stop15h 50m

Reykjavik Keflavik Intl

Sun 3/22

4:15 pm-6:25 pm

1 stop30h 10m

$771

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sat 4/4

9:59 pm-9:30 am

2 stops31h 31m

Reykjavik Keflavik Intl

Sun 4/12

11:25 am-9:53 am

2 stops26h 28m

$779

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Wed 4/8

7:15 pm-9:30 am

1 stop10h 15m

Reykjavik Keflavik Intl

Mon 4/13

11:25 am-9:49 pm

2 stops14h 24m

$792

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Showing 1-10 of 18 results
1
2

Compare providers for flights from Atlanta 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 Atlanta to Keflavik Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Atlanta-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 Atlanta-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Atlanta-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-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 Atlanta-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 Atlanta to Keflavik Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Keflavik Intl. Price data was last updated on December 26, 2025.

The best time to book flights from Atlanta to Reykjavik Keflavik Intl Airport is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from Atlanta to Reykjavik Keflavik Intl Airport (average of $647). Flying from Atlanta to Reykjavik Keflavik Intl Airport in November is currently the most expensive (average of $845). 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.

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 December 31, 2025.
Read reviews from past customers who have flown Delta, Air France, and United Airlines from Atlanta 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.
Delta
7.9
Good
8,013 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Delta
7.9
Good
8,013 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Air France
7.4
Good
1,514 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
United Airlines
7.4
Good
9,123 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Air Canada
7.1
Good
10,571 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Icelandair
7.1
Good
593 reviews
Delta
7.9
Good
8,013 reviews

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

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

    Located just 8.2 mi from the city center, Atlanta Hartsfield-Jackson is the airport most travelers will use when flying to Reykjavik Keflavik Intl from Atlanta. Booking flights from Hartsfield-Jackson (ATL) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 8 different airlines.

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

    Scandinavian Airlines, KLM, and Delta can get you from Atlanta to Reykjavik Keflavik Intl Airport in just under 17h 15m. Your travel time can differ by up to 17h 45m. Airlines will cover a distance of 3308 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Atlanta to Reykjavik Keflavik Intl Airport round-trip from $598. Other airlines that can offer you cheap pricing are Air France, from $680, and KLM, from $681. These flights start at 37% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Atlanta to Reykjavik Keflavik Intl Airport (average of $647). Flying from Atlanta to Reykjavik Keflavik Intl Airport in November is currently the most expensive (average of $845). 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 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 Atlanta to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Atlanta to Keflavik Intl

Discover the top 8 airlines that operate flights from Atlanta 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 December 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$598Average$835FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$680Average$1,172FlexibilityNo cancel feeOn-time77%
KLMCheapest$681Average$835FlexibilityNo cancel feeOn-time75%
DeltaCheapest$681Average$1,091FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$700Average$946FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$731Average$932FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$759Average$1,110FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$814Average$911FlexibilityNo cancel feeOn-time76%

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