HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Keflavik Intl

$433+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — KEF
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Keflavik Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$452
(Mytrip)

One-way from

$433
(Kiwi.com)
Provider with most accurate pricing for Knoxville McGhee Tyson-Reykjavik Keflavik Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Reykjavik Keflavik Intl flights.
Search Deals
From Knoxville McGhee Tyson to Reykjavik Keflavik Intl
Search Deals
One-way flight from Knoxville McGhee Tyson to Reykjavik Keflavik Intl
Search Deals

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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/31:50 pmTYS - KEF
2 stops33h 55mMultiple Airlines
Thu 3/134:00 pmKEF - TYS
2 stops33h 21mMultiple Airlines
Deal found 2/20$520
This Ovago deal was found by Cheapflights users on 2/20. 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.
Tue 3/116:50 pmTYS - KEF
2 stops35h 55mBritish Airways
Tue 3/1811:45 amKEF - TYS
2 stops37h 08mBritish Airways
Deal found 2/20$682
This Justfly.com deal was found by Cheapflights users on 2/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:50 amTYS - KEF
2 stops22h 45mAir Canada
Sat 8/3010:00 amKEF - TYS
2 stops34h 49mAir Canada
Deal found 2/20$810
This Delta deal was found by Cheapflights users on 2/19. 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 5/110:06 amTYS - KEF
2 stops19h 24mDelta
Fri 5/168:50 amKEF - TYS
1 stop16h 39mDelta
Deal found 2/19$911
This Expedia deal was found by Cheapflights users on 2/20. 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.
Sun 4/67:35 pmTYS - KEF
2 stops24h 00mLufthansa
Sat 4/121:15 amKEF - TYS
2 stops26h 44mLufthansa
Deal found 2/20$997
This Gurufare deal was found by Cheapflights users on 2/20. 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.
Wed 3/122:35 pmTYS - KEF
2 stops20h 50mScandinavian Airlines
Wed 3/197:35 amKEF - TYS
2 stops20h 07mScandinavian Airlines
Deal found 2/20$1,268
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/205:35 pmTYS - KEF
1 stop10h 55mUnited Airlines
Sat 5/3112:00 pmKEF - TYS
1 stop14h 40mUnited Airlines
Deal found 2/20$1,470
This KLM deal was found by Cheapflights users on 2/19. 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.
Sun 7/135:55 pmTYS - KEF
1 stop8h 25mKLM
Fri 7/259:30 amKEF - TYS
1 stop11h 10mKLM
Deal found 2/19$5,740

Find flights from Knoxville to Keflavik Intl within your budget

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 February 20, 2025.

Fly from

Knoxville

Fly to

Keflavik Intl

Route

Depart

Return

Price

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Mon 3/3

1:50 pm-4:45 am

2 stops33h 55m

Reykjavik Keflavik Intl

Thu 3/13

4:00 pm-9:21 pm

2 stops33h 21m

$520

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Tue 3/11

6:50 pm-10:45 am

2 stops35h 55m

Reykjavik Keflavik Intl

Tue 3/18

11:45 am-8:53 pm

2 stops37h 08m

$682

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Thu 5/1

10:06 am-9:30 am

2 stops19h 24m

Reykjavik Keflavik Intl

Fri 5/16

8:50 am-9:29 pm

1 stop16h 39m

$911

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sun 4/6

7:35 pm-11:35 pm

2 stops24h 00m

Reykjavik Keflavik Intl

Sat 4/12

1:15 am-11:59 pm

2 stops26h 44m

$997

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 3/12

2:35 pm-3:25 pm

2 stops20h 50m

Reykjavik Keflavik Intl

Wed 3/19

7:35 am-11:42 pm

2 stops20h 07m

$1,268

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Tue 5/20

5:35 pm-8:30 am

1 stop10h 55m

Reykjavik Keflavik Intl

Sat 5/31

12:00 pm-10:40 pm

1 stop14h 40m

$1,470

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Mon 6/23

9:55 am-8:35 am

3 stops18h 40m

Reykjavik Keflavik Intl

Fri 6/27

10:00 am-11:59 pm

3 stops17h 59m

$1,699

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sun 7/13

5:55 pm-6:20 am

1 stop8h 25m

Reykjavik Keflavik Intl

Fri 7/25

9:30 am-4:40 pm

1 stop11h 10m

$5,740

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Sat 4/5

8:00 am-9:25 am

2 stops45h 25m

$433

KnoxvilleReykjavik

TYS - KEF

TYSKEF

Knoxville McGhee Tyson

Wed 7/23

5:45 am-8:10 am

2 stops22h 25m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 11 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
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.

Travel insights for flights from Knoxville to Keflavik Intl

Get recent, data-driven insights about flights from Knoxville to Keflavik Intl including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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.

Lufthansa
6.7
Okay
6,984 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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.

British Airways
6.6
Okay
6,763 reviews
Delta
8.0
Very good
8,220 reviews

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

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 $679. Other airlines that can offer you cheap pricing are Delta, from $911, and Lufthansa, from $997.

  • 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 $657). 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 Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Keflavik

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Chattanooga to Keflavik Intl flights

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$591Average$956FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$650Average$888FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.