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Keflavik Intl

$399+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — KEF
May 29 — Jun 51
Fri 5/29
Fri 6/5
1 adult, Economy
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Cheap 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 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Wed 7/151:05 pm
TYS
-
KEF
2 stops16h 05m
Multiple Airlines
Thu 7/304:50 pm
KEF
-
TYS
1 stop27h 52m
Multiple Airlines
Deal found 4/26$886
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Mon 8/175:57 pm
TYS
-
KEF
1 stop10h 53m
United Airlines
Mon 8/249:15 am
KEF
-
TYS
2 stops31h 58m
United Airlines
Deal found 4/25$954
This United Airlines deal was found by Cheapflights users on 4/25. 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.
Thu 9/1010:00 am
TYS
-
KEF
1 stop18h 30m
United Airlines
Thu 9/1710:00 am
KEF
-
TYS
2 stops39h 30m
United Airlines
Deal found 4/25$989
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:51 pm
TYS
-
KEF
1 stop14h 34m
Multiple Airlines
Sat 9/54:45 pm
KEF
-
TYS
1 stop23h 17m
Multiple Airlines
Deal found 4/27$992
This KLM deal was found by Cheapflights users on 4/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:25 am
TYS
-
KEF
2 stops17h 15m
KLM
Tue 6/29:30 am
KEF
-
TYS
1 stop17h 27m
KLM
Deal found 4/28$999
This KLM deal was found by Cheapflights users on 4/25. 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.
Thu 9/106:45 am
TYS
-
KEF
1 stop20h 15m
Multiple Airlines
Thu 9/179:30 am
KEF
-
TYS
1 stop17h 26m
Multiple Airlines
Deal found 4/25$1,004
This Gotogate deal was found by Cheapflights users on 4/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:45 am
TYS
-
KEF
2 stops22h 10m
Air Canada
Sat 9/59:15 am
KEF
-
TYS
2 stops35h 44m
Air Canada
Deal found 4/27$1,014
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Fri 8/215:45 am
TYS
-
KEF
1 stop22h 45m
United Airlines
Sat 9/59:15 am
KEF
-
TYS
2 stops35h 44m
United Airlines
Deal found 4/27$1,017
This Delta deal was found by Cheapflights users on 4/24. 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 10/911:30 am
TYS
-
KEF
2 stops18h 00m
Delta
Fri 10/1611:25 am
KEF
-
TYS
2 stops16h 21m
Delta
Deal found 4/24$1,045

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$886
(Kiwi.com)

One-way from

$399
(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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One-way flight 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 April 29, 2026.
Use the filters below to find and compare flights from Knoxville to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Mon 8/17

10:46 am-7:55 am

2 stops17h 09m

Reykjavik Keflavik Intl

Mon 8/24

9:15 am-1:13 pm

2 stops31h 58m

$958

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Thu 9/10

10:00 am-7:55 am

2 stops17h 55m

Reykjavik Keflavik Intl

Thu 9/17

10:00 am-9:30 pm

2 stops39h 30m

$993
Quickest round-trip

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 7/11

7:19 pm-8:30 am

1 stop9h 11m

Reykjavik Keflavik Intl

Sat 7/18

9:15 am-8:39 pm

2 stops15h 24m

$1,229

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Thu 7/9

10:00 am-7:55 am

2 stops17h 55m

Reykjavik Keflavik Intl

Sat 7/18

9:15 am-8:39 pm

2 stops15h 24m

$1,232

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Fri 10/9

10:50 am-8:50 am

1 stop18h 00m

Reykjavik Keflavik Intl

Fri 10/16

9:15 am-6:05 pm

2 stops36h 50m

$1,289

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Mon 5/25

10:45 am-8:50 am

1 stop18h 05m

Reykjavik Keflavik Intl

Sun 5/31

12:00 pm-8:56 pm

1 stop12h 56m

$1,297

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 5/27

1:54 pm-8:30 am

2 stops14h 36m

Reykjavik Keflavik Intl

Tue 6/2

11:30 am-8:56 pm

2 stops13h 26m

$1,302
Cheapest one-way
Quickest one-way

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sun 8/23

2:39 pm-7:40 am

3 stops37h 01m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Sorted by cheapest first

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
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. FlightHub >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 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 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.

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 17h 09m. Fly via United Airlines to get the fastest option. The distance between Knoxville and Reykjavik Keflavik Intl Airport is about 3168 mi.

  • 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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