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Keflavik Intl

$629+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — KEF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$629
(Cheapflightsfares)
From Knoxville McGhee Tyson to Reykjavik Keflavik Intl
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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 September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/82:00 pmTYS - KEF
2 stops30h 10mLufthansa
Mon 10/2012:25 amKEF - TYS
2 stops26h 25mLufthansa
Deal found 9/10$629
This Ovago deal was found by Cheapflights users on 9/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:26 pmTYS - KEF
2 stops24h 44mMultiple Airlines
Tue 10/214:10 pmKEF - TYS
2 stops32h 30mMultiple Airlines
Deal found 9/11$709
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 11/115:52 pmTYS - KEF
3 stops39h 23mMultiple Airlines
Tue 11/253:20 pmKEF - TYS
2 stops34h 00mMultiple Airlines
Deal found 9/11$777
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:47 pmTYS - KEF
2 stops16h 43mDelta
Tue 10/218:45 amKEF - TYS
1 stop16h 28mDelta
Deal found 9/11$781
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:00 amTYS - KEF
2 stops21h 15mUnited Airlines
Tue 9/309:50 amKEF - TYS
2 stops39h 21mUnited Airlines
Deal found 9/10$851
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:55 amTYS - KEF
3 stops18h 20mMultiple Airlines
Tue 9/309:50 amKEF - TYS
2 stops17h 00mMultiple Airlines
Deal found 9/10$952
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sat 9/278:00 amTYS - KEF
1 stop18h 05mMultiple Airlines
Thu 10/93:05 pmKEF - TYS
2 stops58h 03mMultiple Airlines
Deal found 9/11$959

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 September 11, 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

Wed 10/8

2:00 pm-12:10 am

2 stops30h 10m

Reykjavik Keflavik Intl

Mon 10/20

12:25 am-10:50 pm

2 stops26h 25m

$629

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 10/8

7:26 pm-12:10 am

2 stops24h 44m

Reykjavik Keflavik Intl

Tue 10/21

4:10 pm-8:40 pm

2 stops32h 30m

$709

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 9/24

7:00 am-8:15 am

2 stops21h 15m

Reykjavik Keflavik Intl

Tue 9/30

9:50 am-9:11 pm

2 stops39h 21m

$851

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 10/8

5:16 pm-9:30 am

2 stops12h 14m

Reykjavik Keflavik Intl

Tue 10/21

8:45 am-9:13 pm

1 stop16h 28m

$873

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Tue 11/11

5:52 pm-2:15 pm

3 stops39h 23m

Reykjavik Keflavik Intl

Tue 11/25

3:20 pm-8:20 pm

3 stops34h 00m

$931

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 9/24

9:55 am-8:15 am

3 stops18h 20m

Reykjavik Keflavik Intl

Tue 9/30

9:50 am-10:50 pm

2 stops17h 00m

$952

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 9/27

8:00 am-6:05 am

1 stop18h 05m

Reykjavik Keflavik Intl

Thu 10/9

3:05 pm-9:08 pm

2 stops58h 03m

$959

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 9/27

11:32 am-9:30 am

2 stops17h 58m

Reykjavik Keflavik Intl

Thu 10/9

11:25 am-9:20 am

2 stops25h 55m

$1,055

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 September 11, 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.

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 12h 14m. Fly via Lufthansa, United Airlines, 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.

  • 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 June is currently the most expensive (average of $655). 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

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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