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Keflavik Intl

$308+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — KEF
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$537
(Kiwi.com)

One-way from

$308
(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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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 March 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Tue 9/167:30 amTYS - KEF
1 stop17h 15mMultiple Airlines
Fri 9/263:45 pmKEF - TYS
1 stop25h 44mMultiple Airlines
Deal found 3/26$537
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:25 pmTYS - KEF
2 stops33h 10mAir Canada
Tue 9/3010:00 amKEF - TYS
2 stops41h 42mAir Canada
Deal found 3/27$777
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 9/225:26 pmTYS - KEF
1 stop11h 04mUnited Airlines
Mon 9/2910:00 amKEF - TYS
2 stops38h 58mUnited Airlines
Deal found 3/27$807
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:30 amTYS - KEF
1 stop14h 50mDelta
Wed 9/248:50 amKEF - TYS
1 stop12h 33mDelta
Deal found 3/26$808
This KLM deal was found by Cheapflights users on 3/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1612:00 pmTYS - KEF
2 stops14h 20mKLM
Sat 9/2711:25 amKEF - TYS
2 stops16h 22mKLM
Deal found 3/26$838
This Gurufare deal was found by Cheapflights users on 3/26. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:10 pmTYS - KEF
2 stops25h 40mScandinavian Airlines
Mon 9/295:10 pmKEF - TYS
2 stops34h 37mScandinavian Airlines
Deal found 3/26$887
This Lufthansa deal was found by Cheapflights users on 3/26. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/101:57 pmTYS - KEF
2 stops29h 38mLufthansa
Fri 5/1612:25 amKEF - TYS
2 stops26h 42mLufthansa
Deal found 3/26$962
This Booking.com deal was found by Cheapflights users on 3/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:52 pmTYS - KEF
2 stops58h 58mBritish Airways
Mon 12/2911:45 amKEF - TYS
2 stops37h 59mBritish Airways
Deal found 3/25$1,462

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 March 28, 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

Tue 9/16

7:30 am-4:45 am

1 stop17h 15m

Reykjavik Keflavik Intl

Fri 9/26

3:45 pm-1:29 pm

1 stop25h 44m

$537

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 9/20

7:25 pm-8:35 am

2 stops33h 10m

Reykjavik Keflavik Intl

Tue 9/30

10:00 am-11:42 pm

2 stops41h 42m

$777

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Mon 9/22

5:26 pm-8:30 am

1 stop11h 04m

Reykjavik Keflavik Intl

Mon 9/29

10:00 am-8:58 pm

2 stops38h 58m

$807

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sun 9/14

11:30 am-6:20 am

1 stop14h 50m

Reykjavik Keflavik Intl

Wed 9/24

8:50 am-5:23 pm

1 stop12h 33m

$808

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Tue 9/16

12:00 pm-6:20 am

2 stops14h 20m

Reykjavik Keflavik Intl

Sat 9/27

11:25 am-11:47 pm

2 stops16h 22m

$838

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Tue 9/16

6:10 pm-11:50 pm

2 stops25h 40m

Reykjavik Keflavik Intl

Mon 9/29

5:10 pm-11:47 pm

2 stops34h 37m

$887

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 5/10

1:57 pm-11:35 pm

2 stops29h 38m

Reykjavik Keflavik Intl

Fri 5/16

12:25 am-11:07 pm

2 stops26h 42m

$962

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Tue 9/2

9:00 am-4:45 am

1 stop15h 45m

$308

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 7/23

4:00 pm-8:15 am

2 stops36h 15m

$474

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 9/3

4:00 pm-9:30 am

2 stops13h 30m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 13 results
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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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
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 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.

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 March 28, 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 March 28, 2025.
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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
1,325 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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.
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.5

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 $777. Other airlines that can offer you cheap pricing are United Airlines, from $807, and Delta, from $808.

  • 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 WestJet ($474), KLM ($544), and Air Canada ($551).

  • 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.

See more FAQs

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Alternative routes for Knoxville to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Keflavik Intl flights
Memphis to Keflavik Intl flights
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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$591Average$853FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$650Average$863FlexibilityNo cancel feeOn-time69%
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