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Keflavik Intl

$606+ Cheap flights from Knoxville (TYS) 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — KEF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Knoxville to Keflavik Intl

Best flights from Knoxville to Keflavik Intl
Discover carefully curated flight deals from Knoxville to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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 3/56:30 amTYS - KEF
1 stop10h 15mMultiple Airlines
Wed 3/115:00 pmKEF - TYS
1 stop24h 02mMultiple Airlines
Deal found 12/11$606
This KAYAK deal was found by Cheapflights users on 12/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:55 pmTYS - KEF
2 stops30h 15mLufthansa
Tue 3/103:20 pmKEF - TYS
2 stops33h 27mLufthansa
Deal found 12/11$686
This Delta deal was found by Cheapflights users on 12/9. 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.
Thu 4/910:51 amTYS - KEF
2 stops18h 39mDelta
Mon 4/1311:25 amKEF - TYS
2 stops16h 21mDelta
Deal found 12/9$792
This United Airlines deal was found by Cheapflights users on 12/11. 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 5/167:20 pmTYS - KEF
2 stops33h 10mUnited Airlines
Sun 5/2411:30 amKEF - TYS
1 stop16h 29mUnited Airlines
Deal found 12/11$803
This KLM deal was found by Cheapflights users on 12/10. 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 5/1611:30 amTYS - KEF
1 stop14h 50mKLM
Sun 5/249:30 amKEF - TYS
1 stop17h 26mKLM
Deal found 12/10$811
This Expedia deal was found by Cheapflights users on 12/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/201:59 pmTYS - KEF
2 stops43h 16mLufthansa
Sun 1/253:20 pmKEF - TYS
2 stops33h 07mLufthansa
Deal found 12/9$765

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$606
(Kiwi.com)
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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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 December 12, 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

Thu 3/5

6:30 am-9:45 pm

1 stop10h 15m

Reykjavik Keflavik Intl

Wed 3/11

5:00 pm-1:02 pm

1 stop24h 02m

$606

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 3/4

1:55 pm-1:10 am

2 stops30h 15m

Reykjavik Keflavik Intl

Tue 3/10

3:20 pm-8:47 pm

2 stops33h 27m

$686

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Tue 1/20

1:59 pm-2:15 pm

2 stops43h 16m

Reykjavik Keflavik Intl

Sun 1/25

3:20 pm-7:27 pm

2 stops33h 07m

$765

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Thu 4/9

10:51 am-9:30 am

2 stops18h 39m

Reykjavik Keflavik Intl

Mon 4/13

11:25 am-11:46 pm

2 stops16h 21m

$792

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 5/16

7:20 pm-8:30 am

2 stops33h 10m

Reykjavik Keflavik Intl

Sun 5/24

11:30 am-11:59 pm

1 stop16h 29m

$803

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 5/16

11:30 am-6:20 am

1 stop14h 50m

Reykjavik Keflavik Intl

Sun 5/24

9:30 am-10:56 pm

1 stop17h 26m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 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

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. eDreams >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 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 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 December 12, 2025.

It’s typically best to fly out from Knoxville to Reykjavik Keflavik Intl Airport in the morning. Doing so could potentially save you 25% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 0 airlines. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

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

    There are many flights that can get you from Knoxville to Reykjavik Keflavik Intl Airport in 18h 39m. Fly via Lufthansa or Delta to get the fastest option. The distance between Knoxville and Reykjavik Keflavik Intl Airport is about 3168 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

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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