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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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — KEF
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$431
(Kiwi.com)

One-way from

$179
(CheapOair)

Popular in

December

Cheapest in

October

Average price

$879
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. 13% potential increase in price ($151 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/62:50 pmATL - KEF
1 stop10h 05mMultiple Airlines
Thu 10/163:05 pmKEF - ATL
1 stop26h 48mMultiple Airlines
Deal found 8/11$419
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/57:20 amATL - KEF
1 stop17h 25mMultiple Airlines
Wed 9/103:45 pmKEF - ATL
1 stop26h 09mMultiple Airlines
Deal found 8/12$421
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 8/302:00 pmATL - KEF
1 stop10h 55mMultiple Airlines
Sat 9/63:05 pmKEF - ATL
1 stop21h 32mMultiple Airlines
Deal found 8/12$422
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/152:50 pmATL - KEF
1 stop10h 05mMultiple Airlines
Tue 9/233:05 pmKEF - ATL
1 stop10h 26mMultiple Airlines
Deal found 8/11$423
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 10/410:09 pmATL - KEF
1 stop26h 46mMultiple Airlines
Wed 10/83:05 pmKEF - ATL
1 stop21h 15mMultiple Airlines
Deal found 8/11$425
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/115:13 pmATL - KEF
1 stop31h 42mMultiple Airlines
Thu 9/183:05 pmKEF - ATL
1 stop11h 23mMultiple Airlines
Deal found 8/12$426
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/168:30 amATL - KEF
1 stop16h 25mMultiple Airlines
Fri 9/263:05 pmKEF - ATL
1 stop32h 07mMultiple Airlines
Deal found 8/13$431
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:27 amATL - KEF
2 stops19h 28mMultiple Airlines
Wed 9/243:05 pmKEF - ATL
1 stop10h 26mMultiple Airlines
Deal found 8/14$432
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:20 pmATL - KEF
2 stops27h 35mMultiple Airlines
Tue 9/93:05 pmKEF - ATL
1 stop10h 26mMultiple Airlines
Deal found 8/12$433
This PLAY deal was found by Cheapflights users on 8/12. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:30 amATL - KEF
1 stop16h 25mMultiple Airlines
Wed 9/173:05 pmKEF - ATL
1 stop10h 26mMultiple Airlines
Deal found 8/12$434
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/288:50 amATL - KEF
1 stop16h 05mMultiple Airlines
Sun 10/53:05 pmKEF - ATL
1 stop21h 32mMultiple Airlines
Deal found 8/11$435
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 10/18:30 amATL - KEF
1 stop16h 25mMultiple Airlines
Mon 10/133:05 pmKEF - ATL
1 stop23h 53mMultiple Airlines
Deal found 8/12$436

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 August 14, 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

Mon 10/6

2:50 pm-4:55 am

1 stop10h 05m

Reykjavik Keflavik Intl

Thu 10/16

3:05 pm-1:53 pm

1 stop26h 48m

$419

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Fri 10/10

2:50 pm-4:55 am

1 stop10h 05m

Reykjavik Keflavik Intl

Thu 10/16

3:05 pm-1:53 pm

1 stop26h 48m

$419

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Wed 10/1

8:30 am-4:55 am

1 stop16h 25m

Reykjavik Keflavik Intl

Mon 10/6

3:05 pm-10:28 pm

1 stop11h 23m

$421

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Tue 9/16

8:30 am-4:55 am

1 stop16h 25m

Reykjavik Keflavik Intl

Fri 9/26

3:05 pm-7:12 pm

1 stop32h 07m

$431

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 9/21

2:50 pm-4:55 am

1 stop10h 05m

Reykjavik Keflavik Intl

Wed 10/1

3:05 pm-9:31 pm

1 stop10h 26m

$431

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sat 9/20

5:27 am-4:55 am

2 stops19h 28m

Reykjavik Keflavik Intl

Wed 9/24

3:05 pm-9:31 pm

1 stop10h 26m

$432

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sat 11/8

6:01 am-6:30 am

2 stops19h 29m

Reykjavik Keflavik Intl

Sat 11/15

5:00 pm-8:25 am

1 stop20h 25m

$434

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Wed 9/10

8:30 am-4:55 am

1 stop16h 25m

Reykjavik Keflavik Intl

Wed 9/17

3:05 pm-9:31 pm

1 stop10h 26m

$434

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 9/28

8:50 am-4:55 am

1 stop16h 05m

Reykjavik Keflavik Intl

Sun 10/5

3:05 pm-8:37 am

1 stop21h 32m

$435

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sat 9/20

1:32 pm-4:55 am

1 stop11h 23m

Reykjavik Keflavik Intl

Tue 9/23

3:05 pm-11:25 pm

2 stops36h 20m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 17 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 August 8, 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 $655). 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 August 14, 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?

What’s the top layover airport for flights from Atlanta to Reykjavik Keflavik Intl Airport?

Share of 1-stop round-trip flights from Atlanta to Reykjavik Keflavik Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Copenhagen (CPH) – chosen by Cheapflights users on 50% of 1-stop itineraries from Atlanta to Reykjavik Keflavik Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Atlanta to Reykjavik Keflavik Intl Airport?

Average round-trip fare for 1-stop flights from Atlanta to Reykjavik Keflavik Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Copenhagen (CPH) is the most affordable 1-stop option, with an average round-trip price of $788.

What’s the fastest layover option from Atlanta to Reykjavik Keflavik Intl Airport?

Shortest average travel time for 1-stop one-way flights from Atlanta to Reykjavik Keflavik Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via New York (JFK) have the shortest average one-way travel time for 1-stop routes: 12h 20m.

Which airport typically offers the quickest layover for flights from Atlanta to Reykjavik Keflavik Intl Airport?

Average layover duration for 1-stop one-way flights from Atlanta to Reykjavik Keflavik Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Copenhagen (CPH) offer the fastest connection on this route, with an average layover time of 2h 20m.

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 14, 2025.
Read reviews from past customers who have flown Delta, KLM, 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
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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.
KLM
7.8
Good
1,381 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
9,949 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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
526 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

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.

  • 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 39% 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 $655). 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$598Average$753FlexibilityNo cancel feeOn-time67%
DeltaCheapest$678Average$1,095FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$680Average$1,172FlexibilityNo cancel feeOn-time77%
KLMCheapest$681Average$846FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$700Average$969FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$759Average$1,110FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$766Average$896FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$788Average$970FlexibilityNo cancel feeOn-time77%

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