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Keflavik Intl

$287+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — KEF
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/2411:01 amATL - KEF
1 stop13h 54mMultiple Airlines
Fri 12/264:45 pmKEF - ATL
1 stop20h 00mMultiple Airlines
Deal found 12/20$1,244
This Trip.com deal was found by Cheapflights users on 12/21. 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.
Thu 12/257:00 amATL - KEF
2 stops18h 30mMultiple Airlines
Sun 12/284:50 pmKEF - ATL
1 stop32h 57mMultiple Airlines
Deal found 12/21$1,318
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/296:10 amATL - KEF
1 stop19h 20mMultiple Airlines
Tue 1/66:30 pmKEF - ATL
2 stops52h 38mMultiple Airlines
Deal found 12/22$1,373
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/2210:45 pmATL - KEF
1 stop26h 55mMultiple Airlines
Sat 12/274:55 pmKEF - ATL
1 stop33h 50mMultiple Airlines
Deal found 12/22$1,385
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/2210:45 pmATL - KEF
1 stop26h 55mMultiple Airlines
Wed 12/244:50 pmKEF - ATL
1 stop19h 56mMultiple Airlines
Deal found 12/21$1,389
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/257:46 amATL - KEF
1 stop17h 44mMultiple Airlines
Sat 12/274:55 pmKEF - ATL
1 stop10h 00mMultiple Airlines
Deal found 12/21$1,410

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 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$457
(Trip.com)

One-way from

$287
(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.
Search Deals
From Atlanta Hartsfield-Jackson to Reykjavik Keflavik Intl
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Reykjavik Keflavik Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 23, 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

Wed 3/4

9:37 am-6:10 am

1 stop15h 33m

Reykjavik Keflavik Intl

Tue 3/10

4:50 pm-9:03 am

1 stop20h 13m

$471

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Fri 2/6

9:37 am-6:10 am

1 stop15h 33m

Reykjavik Keflavik Intl

Mon 2/9

5:00 pm-1:11 am

1 stop13h 11m

$488

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sat 1/24

1:41 pm-6:10 am

1 stop11h 29m

Reykjavik Keflavik Intl

Wed 1/28

4:50 pm-1:11 am

1 stop13h 21m

$512

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sat 2/7

8:58 am-6:15 am

2 stops16h 17m

Reykjavik Keflavik Intl

Sat 2/14

5:00 pm-4:37 pm

2 stops28h 37m

$610

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 3/1

10:20 am-6:10 am

1 stop14h 50m

Reykjavik Keflavik Intl

Sun 3/8

5:00 pm-1:34 pm

1 stop24h 34m

$686

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Thu 2/19

3:20 pm-6:30 am

1 stop10h 10m

Reykjavik Keflavik Intl

Sun 2/22

5:00 pm-8:30 am

1 stop20h 30m

$722

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Fri 2/27

8:00 pm-10:45 am

1 stop33h 45m

Reykjavik Keflavik Intl

Wed 3/4

11:30 am-5:25 pm

1 stop34h 55m

$761

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Wed 2/25

2:39 pm-2:15 pm

2 stops18h 36m

Reykjavik Keflavik Intl

Thu 3/5

2:05 am-7:36 pm

2 stops22h 31m

$765

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 3/22

9:00 pm-10:45 am

1 stop33h 45m

Reykjavik Keflavik Intl

Thu 4/2

6:25 pm-5:25 pm

2 stops51h 00m

$765

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Wed 2/25

11:30 am-2:15 pm

2 stops21h 45m

Reykjavik Keflavik Intl

Sun 3/1

3:20 pm-2:30 pm

1 stop28h 10m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 15 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 19, 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.

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 December 23, 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 10% 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.

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 23, 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
8,015 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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
7.9
Good
8,015 reviews
Delta
7.9
Good
8,015 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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
1,513 reviews
Delta
7.9
Good
8,015 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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
9,109 reviews
Delta
7.9
Good
8,015 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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
10,551 reviews
Delta
7.9
Good
8,015 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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
592 reviews
Delta
7.9
Good
8,015 reviews

Crew

8.5

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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.

  • 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 23, 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$1,094FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$700Average$945FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$731Average$932FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$759Average$1,110FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$787Average$908FlexibilityNo cancel feeOn-time76%

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