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$383+ Cheap flights from Knoxville (TYS) to Belgium

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BRU
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Knoxville to Belgium

Best flights from Knoxville to Belgium
Discover carefully curated flight deals from Knoxville to Belgium that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Thu 1/292:25 pmTYS - BRU
1 stop10h 50mLufthansa
Thu 2/510:30 amBRU - TYS
2 stops16h 22mLufthansa
Deal found 12/15$447
This United Airlines deal was found by Cheapflights users on 12/13. 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 1/232:25 pmTYS - BRU
2 stops16h 50mUnited Airlines
Tue 1/2710:00 amBRU - TYS
2 stops34h 49mUnited Airlines
Deal found 12/13$485
This United Airlines deal was found by Cheapflights users on 12/14. 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 1/281:59 pmTYS - BRU
2 stops17h 16mUnited Airlines
Wed 2/43:40 pmBRU - TYS
1 stop24h 52mUnited Airlines
Deal found 12/14$504

Find flight deals from Knoxville to Belgium

Keep the following information in mind while searching for Knoxville to Belgium flight deals. Data was last updated December 16, 2025.

Round-trip from

$447
(Kiwi.com)

One-way from

$383
(Kiwi.com)
From Knoxville McGhee Tyson to Belgium
Search Deals
One-way flight from Knoxville McGhee Tyson to Belgium
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Belgium 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 December 16, 2025.
Use the filters below to find and compare flights from Knoxville to Belgium that are best for you.

Fly from

Knoxville

Fly to

Belgium

Route

Depart

Return

Price

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Thu 1/29

2:25 pm-7:15 am

1 stop10h 50m

Brussels Bruxelles-National

Thu 2/5

10:30 am-8:52 pm

2 stops16h 22m

$447

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Fri 1/23

2:25 pm-1:15 pm

2 stops16h 50m

Brussels Bruxelles-National

Tue 1/27

10:00 am-2:49 pm

2 stops34h 49m

$485

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 1/28

1:59 pm-1:15 pm

2 stops17h 16m

Brussels Bruxelles-National

Wed 2/4

3:40 pm-10:32 am

1 stop24h 52m

$504

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 2/14

2:54 pm-9:05 am

3 stops36h 11m

$383

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 2/14

2:21 pm-7:50 am

2 stops35h 29m

$393

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 2/14

2:21 pm-7:15 am

1 stop10h 54m

$394

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Fri 3/6

4:56 pm-3:25 pm

2 stops16h 29m

$2,534

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Fri 3/6

1:53 pm-8:55 am

1 stop13h 02m

$2,871

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Fri 3/6

7:00 am-7:15 am

3 stops18h 15m

$3,721

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Best time to book a flight from Knoxville to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium 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 Belgium

What is the cheapest time of day to fly from TYS to BE?

Find hourly flight availability from Knoxville to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

One of the essential ways to save on airfare from Knoxville to Belgium is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 44% on airfare.

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. 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 Belgium. Reviews last updated December 16, 2025.
Read through reviews of airlines operating flights from Knoxville to Belgium, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Belgium. 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 Belgium?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson (TYS) is the airport most travelers will use when flying to Belgium from Knoxville.

  • How long is the flight from Knoxville to Belgium?

    Airlines like Lufthansa and United Airlines fly from Knoxville to Belgium in about 10h 50m. The time it takes to get you to your destination can typically vary by up to 6h. Knoxville and Belgium are separated by a distance of 4289 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Knoxville to Belgium that include hotel bookings?

    Yes. In addition to deals on Knoxville to Belgium flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Belgium?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Belgium.

  • Can I find deals for business class flights from Knoxville to Belgium?

    Yes. Cheapflights offers flight deals from Knoxville to Belgium 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

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Top airline flying from Knoxville to Belgium

Discover the top airline that operate flights from Knoxville to Belgium. 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$603Average$1,314FlexibilityNo cancel feeOn-time69%

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