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Keflavik Intl

$656+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — KEF
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap 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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$656
(United Airlines)
Provider with most accurate pricing for Greenville-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Greenville-Reykjavik Keflavik Intl flights.
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From Greenville to Reykjavik Keflavik Intl
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Find 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/30. 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 9/105:46 pmGSP - KEF
1 stop9h 14mUnited Airlines
Fri 9/1910:00 amKEF - GSP
2 stops32h 21mUnited Airlines
Deal found 4/30$656
This Air Canada deal was found by Cheapflights users on 4/30. 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 9/1010:15 amGSP - KEF
2 stops18h 20mAir Canada
Tue 9/2310:00 amKEF - GSP
2 stops35h 05mAir Canada
Deal found 4/30$670
This KLM deal was found by Cheapflights users on 4/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:14 amGSP - KEF
2 stops19h 16mKLM
Fri 9/198:45 amKEF - GSP
1 stop12h 56mKLM
Deal found 4/30$707
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:10 amGSP - KEF
1 stop15h 10mDelta
Tue 9/238:45 amKEF - GSP
1 stop12h 56mDelta
Deal found 4/30$724
This Air Canada deal was found by Cheapflights users on 4/30. 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 7/3012:45 pmGSP - KEF
3 stops15h 25mMultiple Airlines
Fri 8/89:50 amKEF - GSP
2 stops15h 10mMultiple Airlines
Deal found 4/30$735
This Ovago deal was found by Cheapflights users on 4/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:22 pmGSP - KEF
1 stop8h 38mLufthansa
Fri 9/1912:25 amKEF - GSP
2 stops26h 33mLufthansa
Deal found 4/30$884
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/163:42 pmGSP - KEF
2 stops27h 13mScandinavian Airlines
Sun 11/2311:30 amKEF - GSP
2 stops41h 07mScandinavian Airlines
Deal found 4/30$930
This Austrian Airlines deal was found by Cheapflights users on 4/30. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:24 amGSP - KEF
2 stops32h 56mAustrian Airlines
Fri 9/1912:10 amKEF - GSP
2 stops22h 42mAustrian Airlines
Deal found 4/30$1,016
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:43 pmGSP - KEF
2 stops58h 57mAmerican Airlines
Mon 9/2210:45 amKEF - GSP
2 stops32h 28mAmerican Airlines
Deal found 4/30$1,286
This Air France deal was found by Cheapflights users on 4/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:10 amGSP - KEF
1 stop15h 10mAir France
Fri 9/198:45 amKEF - GSP
1 stop12h 56mAir France
Deal found 4/30$1,675

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 May 1, 2025.
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

Wed 9/10

5:46 pm-7:00 am

1 stop9h 14m

Reykjavik Keflavik Intl

Fri 9/19

10:00 am-2:21 pm

2 stops32h 21m

$656

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Wed 9/10

10:15 am-8:35 am

2 stops18h 20m

Reykjavik Keflavik Intl

Tue 9/23

10:00 am-5:05 pm

2 stops35h 05m

$670

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Fri 9/12

10:14 am-9:30 am

2 stops19h 16m

Reykjavik Keflavik Intl

Fri 9/19

8:45 am-5:41 pm

1 stop12h 56m

$707

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Mon 9/15

11:10 am-6:20 am

1 stop15h 10m

Reykjavik Keflavik Intl

Tue 9/23

8:45 am-5:41 pm

1 stop12h 56m

$724

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Wed 7/30

12:45 pm-8:10 am

3 stops15h 25m

Reykjavik Keflavik Intl

Fri 8/8

9:50 am-9:00 pm

2 stops15h 10m

$735

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Sat 9/13

6:22 pm-7:00 am

1 stop8h 38m

Reykjavik Keflavik Intl

Fri 9/19

12:25 am-10:58 pm

2 stops26h 33m

$884

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Thu 9/11

10:24 am-11:20 pm

2 stops32h 56m

Reykjavik Keflavik Intl

Sun 9/21

12:10 am-6:52 pm

2 stops22h 42m

$1,016

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Sat 9/13

3:42 pm-4:20 pm

2 stops20h 38m

Reykjavik Keflavik Intl

Mon 9/22

5:10 pm-11:37 pm

2 stops34h 27m

$1,090

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Tue 9/16

6:43 pm-9:40 am

2 stops58h 57m

Reykjavik Keflavik Intl

Mon 9/22

10:45 am-3:13 pm

2 stops32h 28m

$1,286

GreenvilleReykjavik

GSP - KEF

GSPKEF

Greenville

Sun 9/14

11:10 am-6:20 am

1 stop15h 10m

Reykjavik Keflavik Intl

Fri 9/19

8:45 am-5:41 pm

1 stop12h 56m

$1,675

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Compare providers for flights from Greenville 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 Greenville to Keflavik Intl in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust 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 Greenville-Reykjavik Keflavik Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Greenville-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Cheapflights Insights

Everything you need to know about your flight from Greenville to Reykjavik Keflavik Intl Airport

What is the cheapest time of day to fly from GSP to KEF?

Find hourly flight availability from Greenville 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 May 1, 2025.

One of the essential ways to save on airfare from Greenville to Reykjavik Keflavik Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 29% on airfare.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 1 airline.

  • What are the cheapest airlines flying from Greenville to Reykjavik Keflavik Intl Airport round-trip?

    Cheapflights users have booked flights from Greenville to Reykjavik Keflavik Intl Airport round-trip from $656. Other airlines that can offer you cheap pricing are Air Canada, from $670, and KLM, from $707.

  • 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.

  • What is the cheapest month to book a flight from Greenville to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Greenville to Reykjavik Keflavik Intl Airport (average of $328). Flying from Greenville to Reykjavik Keflavik Intl Airport in July is currently the most expensive (average of $651). 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

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Alternative routes for Greenville to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Greenville to Keflavik Intl

Discover the top airline that operate flights from Greenville 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$550Average$820FlexibilityNo cancel feeOn-time69%

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