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Keflavik Intl

$179+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — KEF
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$360
(Kiwi.com)

One-way from

$179
(PLAY)

Popular in

November

Cheapest in

February

Average price

$890
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. 11% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sat 10/181:40 pmATL - KEF
1 stop11h 15mMultiple Airlines
Wed 10/223:05 pmKEF - ATL
1 stop21h 11mMultiple Airlines
Deal found 9/17$360
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/1410:00 pmATL - KEF
1 stop26h 55mMultiple Airlines
Wed 10/223:05 pmKEF - ATL
1 stop21h 11mMultiple Airlines
Deal found 9/17$362
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/1410:00 pmATL - KEF
1 stop26h 55mMultiple Airlines
Tue 10/213:05 pmKEF - ATL
1 stop23h 53mMultiple Airlines
Deal found 9/17$379
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Fri 10/1710:20 pmATL - KEF
1 stop26h 35mMultiple Airlines
Tue 10/213:05 pmKEF - ATL
1 stop23h 53mMultiple Airlines
Deal found 9/16$395
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sat 10/181:40 pmATL - KEF
1 stop11h 15mMultiple Airlines
Fri 10/243:05 pmKEF - ATL
1 stop31h 38mMultiple Airlines
Deal found 9/17$403
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Fri 10/1710:20 pmATL - KEF
1 stop26h 35mMultiple Airlines
Fri 10/243:05 pmKEF - ATL
1 stop31h 38mMultiple Airlines
Deal found 9/17$404
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/1410:00 pmATL - KEF
1 stop26h 55mMultiple Airlines
Fri 10/243:05 pmKEF - ATL
1 stop22h 11mMultiple Airlines
Deal found 9/17$405
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Mon 10/2010:20 pmATL - KEF
1 stop26h 35mMultiple Airlines
Wed 10/223:05 pmKEF - ATL
1 stop21h 11mMultiple Airlines
Deal found 9/17$406
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sun 10/198:37 amATL - KEF
2 stops16h 18mMultiple Airlines
Wed 10/223:05 pmKEF - ATL
1 stop21h 11mMultiple Airlines
Deal found 9/17$407

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 September 17, 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

Sat 9/27

1:32 pm-4:55 am

1 stop11h 23m

Reykjavik Keflavik Intl

Fri 10/10

3:05 pm-6:43 pm

1 stop31h 38m

$538

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Fri 10/17

1:53 pm-4:55 am

1 stop11h 02m

Reykjavik Keflavik Intl

Thu 10/23

3:05 pm-8:16 am

1 stop21h 11m

$572

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Thu 11/27

9:35 am-2:20 pm

2 stops23h 45m

Reykjavik Keflavik Intl

Tue 12/2

3:20 pm-2:30 pm

1 stop28h 10m

$607

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Mon 10/6

9:16 am-6:20 am

1 stop17h 04m

Reykjavik Keflavik Intl

Tue 10/21

8:45 am-6:21 pm

1 stop13h 36m

$642

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sat 9/27

10:30 pm-6:20 am

2 stops27h 50m

Reykjavik Keflavik Intl

Tue 10/7

11:25 am-10:47 pm

2 stops15h 22m

$653

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Thu 11/6

9:35 am-2:20 pm

2 stops23h 45m

Reykjavik Keflavik Intl

Sun 11/9

3:20 pm-2:30 pm

1 stop28h 10m

$657

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Wed 10/8

2:40 pm-12:10 am

2 stops29h 30m

Reykjavik Keflavik Intl

Tue 10/14

2:20 pm-2:20 pm

1 stop28h 00m

$658

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Tue 2/3

10:10 pm-9:15 am

2 stops30h 05m

Reykjavik Keflavik Intl

Wed 2/11

10:00 am-8:10 pm

2 stops39h 10m

$671

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sat 9/27

10:30 pm-6:20 am

2 stops27h 50m

Reykjavik Keflavik Intl

Wed 10/8

8:45 am-9:38 pm

2 stops16h 53m

$703

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Thu 10/23

2:50 pm-4:55 am

1 stop10h 05m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 13 results
1
2

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 September 12, 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, November is the cheapest month in which you can book a flight from Atlanta to Reykjavik Keflavik Intl Airport (average of $328). Flying from Atlanta to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $656). 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 ATL to KEF?

Find hourly flight availability from Atlanta 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 September 17, 2025.

When flying from Atlanta to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 11% versus a flight in the afternoon.

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

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

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

How much does it cost to fly round-trip from Atlanta to Reykjavik Keflavik Intl Airport?

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 17, 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
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
1,468 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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
7.0
Good
545 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

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?

    Delta can get you from Atlanta to Reykjavik Keflavik Intl Airport in just under 17h 04m. Your travel time can differ by up to . Airlines will cover a distance of 3308 mi.

  • 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 Delta, from $678, and Air France, from $680. These flights start at 38% 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, November is the cheapest month in which you can book a flight from Atlanta to Reykjavik Keflavik Intl Airport (average of $328). Flying from Atlanta to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $656). 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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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$598Average$753FlexibilityNo cancel feeOn-time67%
DeltaCheapest$678Average$1,094FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$680Average$1,172FlexibilityNo cancel feeOn-time77%
KLMCheapest$681Average$835FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$700Average$1,000FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$731Average$970FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$759Average$1,110FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$774Average$907FlexibilityNo cancel feeOn-time76%

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