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Keflavik Intl

$723+ Cheap flights from Greenville (GSP) to Keflavik Intl (KEF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — KEF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Greenville to Keflavik Intl

Cheapest flights from Greenville to Keflavik Intl
Explore the most affordable flight options available from Greenville to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:46 am
GSP
-
KEF
2 stops21h 09m
Air Canada
Tue 9/1510:00 am
KEF
-
GSP
2 stops34h 55m
Air Canada
Deal found 1/27$723
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:21 am
GSP
-
KEF
2 stops18h 24m
Air Canada
Tue 9/1510:00 am
KEF
-
GSP
2 stops41h 19m
Air Canada
Deal found 1/27$727
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:18 pm
GSP
-
KEF
2 stops34h 37m
Air Canada
Tue 9/1510:00 am
KEF
-
GSP
2 stops34h 55m
Air Canada
Deal found 1/27$729
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:23 pm
GSP
-
KEF
1 stop14h 07m
United Airlines
Tue 9/1511:00 am
KEF
-
GSP
1 stop10h 19m
United Airlines
Deal found 1/27$734
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
GSP
-
KEF
1 stop22h 50m
United Airlines
Fri 9/1111:30 am
KEF
-
GSP
1 stop11h 20m
United Airlines
Deal found 1/27$740
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:21 am
GSP
-
KEF
2 stops18h 24m
United Airlines
Thu 9/1012:00 pm
KEF
-
GSP
1 stop13h 11m
United Airlines
Deal found 1/27$743
This Booking.com deal was found by Cheapflights users on 1/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
GSP
-
KEF
2 stops21h 55m
Air Canada
Sat 9/59:15 am
KEF
-
GSP
2 stops36h 04m
Air Canada
Deal found 1/28$744
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:46 am
GSP
-
KEF
2 stops21h 09m
Air Canada
Mon 9/1410:00 am
KEF
-
GSP
2 stops39h 11m
Air Canada
Deal found 1/27$749
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
GSP
-
KEF
2 stops22h 45m
Air Canada
Mon 9/1410:00 am
KEF
-
GSP
2 stops34h 55m
Air Canada
Deal found 1/27$753
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:18 pm
GSP
-
KEF
2 stops34h 37m
Air Canada
Mon 9/1410:00 am
KEF
-
GSP
2 stops39h 11m
Air Canada
Deal found 1/27$755
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:10 pm
GSP
-
KEF
1 stop15h 20m
United Airlines
Sat 9/511:00 am
KEF
-
GSP
1 stop10h 19m
United Airlines
Deal found 1/28$760

Find flight deals from Greenville to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$795
(United Airlines)
Provider with most accurate pricing for Greenville-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greenville-Reykjavik Keflavik Intl flights.
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From Greenville to Reykjavik Keflavik Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Greenville 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 January 29, 2026.
Use the filters below to find and compare flights from Greenville to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Greenville

Fly to

Keflavik Intl

Route

Depart

Return

Price

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Sat 5/16

7:35 pm-8:30 am

2 stops32h 55m

Reykjavik Keflavik Intl

Sun 5/24

12:00 pm-9:49 am

2 stops25h 49m

$795

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Sat 5/16

11:10 am-6:20 am

1 stop15h 10m

Reykjavik Keflavik Intl

Sun 5/24

8:50 am-10:00 pm

1 stop17h 10m

$815

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Sat 7/11

5:18 pm-7:55 am

2 stops34h 37m

Reykjavik Keflavik Intl

Sat 7/25

9:15 am-11:56 am

2 stops30h 41m

$896

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Thu 6/11

7:49 pm-8:45 am

2 stops32h 56m

Reykjavik Keflavik Intl

Sat 6/20

9:15 am-11:44 pm

2 stops18h 29m

$927

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Thu 6/11

2:57 pm-8:50 am

1 stop13h 53m

Reykjavik Keflavik Intl

Sat 6/20

9:15 am-7:08 pm

2 stops13h 53m

$928

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Sat 7/11

5:18 pm-8:30 am

1 stop11h 12m

Reykjavik Keflavik Intl

Sat 7/25

10:00 am-9:11 pm

2 stops15h 11m

$933

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Thu 6/11

7:42 pm-8:50 am

1 stop9h 08m

Reykjavik Keflavik Intl

Sat 6/20

11:30 am-9:55 am

1 stop26h 25m

$1,031

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Thu 6/11

11:18 am-7:55 am

2 stops16h 37m

Reykjavik Keflavik Intl

Sat 6/20

9:15 am-11:44 pm

3 stops18h 29m

$1,110

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Sat 7/11

1:10 pm-8:45 am

2 stops15h 35m

Reykjavik Keflavik Intl

Sat 7/25

9:15 am-11:19 pm

3 stops18h 04m

$1,114

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Fri 2/20

2:51 pm-2:20 pm

2 stops42h 29m

Reykjavik Keflavik Intl

Sun 3/1

3:20 pm-8:41 pm

2 stops34h 21m

$1,130

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Greenville 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.

Related info for your journey

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

    If you book a flight to Reykjavik Keflavik Intl from Greenville, you will be flying from Greenville, which is the city’s only airport. Greenville (GSP) is located 10.4 mi from the center of Greenville. There are 0 flights from Greenville to Reykjavik Keflavik Intl per day from 0 different airlines.

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

    United Airlines, KLM, and Air Canada can get you from Greenville to Reykjavik Keflavik Intl Airport in just under 15h 10m. Your travel time can differ by up to 19h 27m. The distance from Greenville to Reykjavik Keflavik Intl Airport is about 3168 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Greenville 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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