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Keflavik Intl

$345+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — KEF
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
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 March 19, 2026.

This Trip.com deal was found by Cheapflights users on 3/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:15 am
ATL
-
KEF
1 stop19h 25m
Multiple Airlines
Mon 4/274:45 pm
KEF
-
ATL
1 stop18h 57m
Multiple Airlines
Deal found 3/16$457
This Trip.com deal was found by Cheapflights users on 3/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:21 am
ATL
-
KEF
1 stop17h 04m
Multiple Airlines
Wed 5/65:00 pm
KEF
-
ATL
1 stop10h 41m
Multiple Airlines
Deal found 3/15$496
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:25 pm
ATL
-
KEF
1 stop13h 30m
Multiple Airlines
Tue 4/217:50 pm
KEF
-
ATL
1 stop17h 13m
Multiple Airlines
Deal found 3/15$502
This Trip.com deal was found by Cheapflights users on 3/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:10 am
ATL
-
KEF
1 stop19h 45m
Multiple Airlines
Thu 5/75:00 pm
KEF
-
ATL
1 stop12h 08m
Multiple Airlines
Deal found 3/16$513
This Trip.com deal was found by Cheapflights users on 3/18. 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.
Tue 5/55:50 am
ATL
-
KEF
1 stop20h 35m
Multiple Airlines
Tue 5/125:00 pm
KEF
-
ATL
1 stop10h 41m
Multiple Airlines
Deal found 3/18$517
This Trip.com deal was found by Cheapflights users on 3/18. 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.
Sat 5/29:10 am
ATL
-
KEF
1 stop19h 45m
Multiple Airlines
Sat 5/95:00 pm
KEF
-
ATL
1 stop12h 08m
Multiple Airlines
Deal found 3/18$558
This Trip.com deal was found by Cheapflights users on 3/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:21 am
ATL
-
KEF
1 stop17h 04m
Multiple Airlines
Sun 4/265:00 pm
KEF
-
ATL
1 stop19h 21m
Multiple Airlines
Deal found 3/15$559
This Kiwi.com deal was found by Cheapflights users on 3/14. 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.
Mon 5/114:30 pm
ATL
-
KEF
1 stop9h 55m
Multiple Airlines
Tue 5/195:00 pm
KEF
-
ATL
1 stop10h 41m
Multiple Airlines
Deal found 3/14$564
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Thu 4/233:17 pm
ATL
-
KEF
1 stop10h 58m
Multiple Airlines
Fri 5/85:00 pm
KEF
-
ATL
1 stop12h 08m
Multiple Airlines
Deal found 3/16$565

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$457
(Trip.com)

One-way from

$345
(oojo)

Popular in

July

Cheapest in

March

Average price

$837
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Reykjavik Keflavik Intl flight deals.
Search Deals
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. 9% potential increase in price ($99 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 19, 2026.
Use the filters below to find and compare flights from Atlanta to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Tue 5/5

7:49 am-9:30 am

2 stops21h 41m

Reykjavik Keflavik Intl

Wed 5/13

8:45 am-2:21 pm

1 stop9h 36m

$778

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sat 4/25

3:40 pm-9:30 am

2 stops13h 50m

Reykjavik Keflavik Intl

Sun 5/10

9:30 am-7:08 pm

1 stop13h 38m

$878

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 5/10

7:04 pm-8:50 am

2 stops57h 46m

Reykjavik Keflavik Intl

Tue 5/19

12:00 pm-11:44 pm

2 stops15h 44m

$973

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 5/17

5:30 am-8:50 am

2 stops23h 20m

Reykjavik Keflavik Intl

Tue 5/26

11:30 am-9:06 am

2 stops25h 36m

$988
Quickest round-trip

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Fri 5/1

3:40 pm-9:30 am

2 stops13h 50m

Reykjavik Keflavik Intl

Wed 5/13

11:25 am-6:38 pm

1 stop11h 13m

$1,028

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Wed 5/27

6:51 pm-8:50 am

1 stop9h 59m

Reykjavik Keflavik Intl

Wed 6/3

9:15 am-2:34 pm

2 stops33h 19m

$1,104

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Mon 4/20

9:40 am-9:30 am

1 stop19h 50m

Reykjavik Keflavik Intl

Mon 5/4

11:25 am-8:01 pm

2 stops12h 36m

$1,178

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Sun 5/31

5:30 am-8:50 am

2 stops23h 20m

Reykjavik Keflavik Intl

Sun 6/7

9:15 am-8:12 pm

1 stop14h 57m

$1,181

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Mon 4/20

5:38 pm-4:30 pm

2 stops18h 52m

Reykjavik Keflavik Intl

Mon 5/4

8:35 am-8:35 pm

2 stops40h 00m

$1,186

AtlantaReykjavik

ATL - KEF

ATLKEF

Atlanta Hartsfield-Jackson

Wed 6/10

11:37 am-8:50 am

2 stops17h 13m

Reykjavik Keflavik Intl

Thu 6/18

10:00 am-2:34 pm

2 stops32h 34m

$1,212

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 17 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust 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 Atlanta-Reykjavik Keflavik Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 13, 2026.

The best time to book flights from Atlanta to Reykjavik Keflavik Intl Airport is 51 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.

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 March 19, 2026.
Read reviews from past customers who have flown Delta,Air France, andUnited 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
8,300 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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
8,300 reviews
Delta
7.9
Good
8,300 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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
1,547 reviews
Delta
7.9
Good
8,300 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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
9,443 reviews
Delta
7.9
Good
8,300 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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.
Scandinavian Airlines
7.3
Good
1,719 reviews
Delta
7.9
Good
8,300 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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
622 reviews
Delta
7.9
Good
8,300 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.2

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 5 different airlines.

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

    Delta, KLM, and United Airlines can get you from Atlanta to Reykjavik Keflavik Intl Airport in just under 13h 50m. Your travel time can differ by up to 43h 56m. 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 $680. Other airlines that can offer you cheap pricing are Delta, from $681, and Scandinavian Airlines, from $731. These flights start at 30% 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.

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 5 airlines flying from Atlanta to Keflavik Intl

Discover the top 5 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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$680Average$1,172FlexibilityNo cancel feeOn-time77%
DeltaCheapest$681Average$1,080FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$731Average$888FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$759Average$951FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$787Average$906FlexibilityNo cancel feeOn-time76%

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