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Keflavik Intl

$291+ Cheap flights from Knoxville (TYS) 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — KEF
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Knoxville to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) 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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$564
(Mytrip)

One-way from

$291
(Mytrip)
Provider with most accurate pricing for Knoxville McGhee Tyson-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Reykjavik Keflavik Intl flights.
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From Knoxville McGhee Tyson to Reykjavik Keflavik Intl
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One-way flight from Knoxville McGhee Tyson to Reykjavik Keflavik Intl
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Find flight deals from Knoxville to Keflavik Intl

Cheapest flights from Knoxville to Keflavik Intl
Explore the most affordable flight options available from Knoxville to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:00 amTYS - KEF
1 stop18h 45mMultiple Airlines
Sat 5/313:45 pmKEF - TYS
1 stop27h 17mMultiple Airlines
Deal found 4/16$564
This Travelocity deal was found by Cheapflights users on 4/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:57 amTYS - KEF
2 stops42h 58mBritish Airways
Sat 12/2011:50 amKEF - TYS
2 stops37h 54mBritish Airways
Deal found 4/17$708
This Gotogate deal was found by Cheapflights users on 4/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/69:55 amTYS - KEF
2 stops18h 15mAir Canada
Sat 8/169:30 amKEF - TYS
2 stops42h 29mAir Canada
Deal found 4/16$717
This United Airlines deal was found by Cheapflights users on 4/17. 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.
Sat 5/245:15 pmTYS - KEF
2 stops35h 15mUnited Airlines
Mon 6/169:50 amKEF - TYS
2 stops38h 06mUnited Airlines
Deal found 4/17$917
This Delta deal was found by Cheapflights users on 4/17. 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.
Fri 8/226:45 amTYS - KEF
1 stop20h 15mDelta
Sat 8/309:30 amKEF - TYS
1 stop17h 26mDelta
Deal found 4/17$939
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:35 pmTYS - KEF
2 stops39h 30mLufthansa
Thu 5/151:15 amKEF - TYS
2 stops25h 30mLufthansa
Deal found 4/17$1,034
This Ovago deal was found by Cheapflights users on 4/17. 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 5/102:20 pmTYS - KEF
2 stops29h 30mScandinavian Airlines
Tue 5/135:10 pmKEF - TYS
2 stops34h 41mScandinavian Airlines
Deal found 4/17$1,105
This KLM deal was found by Cheapflights users on 4/17. 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.
Sat 5/241:00 pmTYS - KEF
1 stop13h 20mKLM
Mon 6/169:30 amKEF - TYS
1 stop18h 14mKLM
Deal found 4/17$1,197

Cheapflights Fare Finder

Customize your flight search to find flights from Knoxville 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 April 17, 2025.
Use the filters below to find and compare flights from Knoxville to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Knoxville

Fly to

Keflavik Intl

Route

Depart

Return

Price

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 5/24

6:00 am-4:45 am

1 stop18h 45m

Reykjavik Keflavik Intl

Sat 5/31

3:45 pm-3:02 pm

1 stop27h 17m

$564

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 8/6

9:55 am-8:10 am

2 stops18h 15m

Reykjavik Keflavik Intl

Sat 8/16

9:30 am-11:59 pm

2 stops42h 29m

$717

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 5/24

5:15 pm-8:30 am

2 stops35h 15m

Reykjavik Keflavik Intl

Mon 6/16

9:50 am-7:56 pm

2 stops38h 06m

$917

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Fri 8/22

6:45 am-7:00 am

1 stop20h 15m

Reykjavik Keflavik Intl

Sat 8/30

9:30 am-10:56 pm

1 stop17h 26m

$939

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Thu 5/1

5:35 pm-1:05 pm

2 stops39h 30m

Reykjavik Keflavik Intl

Thu 5/15

1:15 am-10:45 pm

2 stops25h 30m

$1,034

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 5/10

2:20 pm-11:50 pm

2 stops29h 30m

Reykjavik Keflavik Intl

Tue 5/13

5:10 pm-11:51 pm

2 stops34h 41m

$1,105

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 5/24

1:00 pm-6:20 am

1 stop13h 20m

Reykjavik Keflavik Intl

Mon 6/16

9:30 am-11:44 pm

1 stop18h 14m

$1,197

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sun 5/18

7:30 am-4:45 am

1 stop17h 15m

$291

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 7/23

6:45 am-7:00 am

1 stop20h 15m

$495

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 7/23

2:30 pm-8:10 am

3 stops13h 40m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from Knoxville 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 Knoxville to Keflavik Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Knoxville-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 Knoxville-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Knoxville-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-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 Knoxville-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 Knoxville to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Knoxville 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 Knoxville to Reykjavik Keflavik Intl Airport

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

Find hourly flight availability from Knoxville 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 April 17, 2025.

It’s typically best to fly out from Knoxville to Reykjavik Keflavik Intl Airport in the morning. Doing so could potentially save you 26% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 April 17, 2025.
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

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
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

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
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

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
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

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.
Scandinavian Airlines
7.3
Good
1,335 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

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 Canada
7.0
Good
9,142 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

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 Knoxville 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 Knoxville to Reykjavik Keflavik Intl?

    Most people fly from Knoxville McGhee Tyson (TYS) if they book a flight from Knoxville to Reykjavik Keflavik Intl. On average, McGhee Tyson has 0 outbound flights to Reykjavik Keflavik Intl per day from 2 airlines. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

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

    Cheapflights users have booked flights from Knoxville to Reykjavik Keflavik Intl Airport round-trip from $717. Other airlines that can offer you cheap pricing are United Airlines, from $917, and Delta, from $939.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville 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 Knoxville to Reykjavik Keflavik Intl Airport?

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

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Alternative routes for Knoxville to Keflavik Intl

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Top 2 airlines flying from Knoxville to Keflavik Intl

Discover the top 2 airlines that operate flights from Knoxville 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$591Average$1,080FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$650Average$884FlexibilityNo cancel feeOn-time69%

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