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Keflavik Intl

$500+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — KEF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$544
(Trip.com)

One-way from

$500
(FlightHub)
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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/256:40 amTYS - KEF
1 stop18h 05mMultiple Airlines
Tue 7/13:45 pmKEF - TYS
1 stop24h 21mMultiple Airlines
Deal found 6/11$544
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/49:55 amTYS - KEF
2 stops17h 05mUnited Airlines
Sun 8/179:30 amKEF - TYS
2 stops39h 27mUnited Airlines
Deal found 6/11$677
This KLM deal was found by Cheapflights users on 6/10. 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.
Mon 8/45:12 pmTYS - KEF
1 stop9h 08mKLM
Sun 8/179:30 amKEF - TYS
1 stop18h 21mKLM
Deal found 6/10$716
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:45 amTYS - KEF
1 stop15h 35mDelta
Sun 8/178:50 amKEF - TYS
2 stops18h 58mDelta
Deal found 6/10$720
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Fri 8/225:45 amTYS - KEF
2 stops22h 35mAir Canada
Sat 8/309:30 amKEF - TYS
2 stops33h 10mAir Canada
Deal found 6/12$723
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Fri 8/227:25 pmTYS - KEF
2 stops24h 45mLufthansa
Fri 8/2912:25 amKEF - TYS
2 stops26h 10mLufthansa
Deal found 6/10$793
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:00 pmTYS - KEF
2 stops27h 50mScandinavian Airlines
Sun 10/195:10 pmKEF - TYS
2 stops32h 33mScandinavian Airlines
Deal found 6/10$844

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 June 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

Wed 6/25

6:40 am-4:45 am

1 stop18h 05m

Reykjavik Keflavik Intl

Tue 7/1

3:45 pm-12:06 pm

1 stop24h 21m

$544

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Mon 8/4

9:55 am-7:00 am

2 stops17h 05m

Reykjavik Keflavik Intl

Sun 8/17

9:30 am-8:57 pm

2 stops39h 27m

$677

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Mon 8/4

5:12 pm-6:20 am

1 stop9h 08m

Reykjavik Keflavik Intl

Sun 8/17

9:30 am-11:51 pm

1 stop18h 21m

$716

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Mon 8/4

10:45 am-6:20 am

1 stop15h 35m

Reykjavik Keflavik Intl

Sun 8/17

8:50 am-11:48 pm

2 stops18h 58m

$720

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Fri 8/22

5:45 am-8:20 am

2 stops22h 35m

Reykjavik Keflavik Intl

Sat 8/30

9:30 am-2:40 pm

2 stops33h 10m

$723

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Fri 8/22

7:25 pm-12:10 am

2 stops24h 45m

Reykjavik Keflavik Intl

Fri 8/29

12:25 am-10:35 pm

2 stops26h 10m

$793

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 10/8

4:00 pm-11:50 pm

2 stops27h 50m

Reykjavik Keflavik Intl

Sun 10/19

5:10 pm-9:43 pm

2 stops32h 33m

$844

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 7/23

5:45 am-8:10 am

2 stops22h 25m

$500

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Tue 9/2

1:00 pm-6:20 am

1 stop13h 20m

$550

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Tue 9/2

7:00 am-8:10 am

3 stops21h 10m

$700

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 June 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 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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 1 airline. 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 $677. Other airlines that can offer you cheap pricing are KLM, from $716, and Delta, from $720.

  • What are the cheapest airlines to fly from Knoxville to Reykjavik Keflavik Intl Airport one-way?

    The cheapest airlines for a one-way flight from Knoxville to Reykjavik Keflavik Intl Airport are Air Canada ($500), Delta ($550), and United Airlines ($700).

  • 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 $659). 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 Knoxville to Keflavik Intl

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Top airline flying from Knoxville to Keflavik Intl

Discover the top airline 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$1,000FlexibilityNo cancel feeOn-time69%

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