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$368+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BRU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Knoxville to Belgium

Keep the following information in mind while searching for Knoxville to Belgium flight deals. Data was last updated September 15, 2025.

Round-trip from

$554
(United Airlines)

One-way from

$368
(Kiwi.com)
From Knoxville McGhee Tyson to Belgium
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One-way flight from Knoxville McGhee Tyson to Belgium
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Find flight deals from Knoxville to Belgium

Cheapest flights from Knoxville to Belgium
Explore the most affordable flight options available from Knoxville to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 10/295:45 amTYS - BRU
2 stops21h 05mUnited Airlines
Wed 11/510:00 amBRU - TYS
2 stops34h 43mUnited Airlines
Deal found 9/14$554
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/1210:50 amTYS - BRU
1 stop16h 05mUnited Airlines
Sun 11/1610:10 amBRU - TYS
1 stop16h 23mUnited Airlines
Deal found 9/14$626
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:30 pmTYS - BRU
1 stop10h 45mUnited Airlines
Wed 10/110:00 amBRU - TYS
2 stops30h 29mUnited Airlines
Deal found 9/15$666
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:00 amTYS - BRU
3 stops19h 05mMultiple Airlines
Wed 10/110:00 amBRU - TYS
2 stops17h 11mMultiple Airlines
Deal found 9/14$716
This Air Canada deal was found by Cheapflights users on 9/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/299:50 amTYS - BRU
3 stops17h 00mMultiple Airlines
Wed 11/510:00 amBRU - TYS
2 stops16h 20mMultiple Airlines
Deal found 9/14$1,328

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 September 15, 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

Wed 10/29

9:50 am-7:15 am

1 stop16h 25m

Brussels Bruxelles-National

Wed 11/5

10:00 am-2:43 pm

2 stops34h 43m

$554

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 11/12

9:50 am-7:50 am

2 stops16h 00m

Brussels Bruxelles-National

Sun 11/16

10:00 am-11:59 pm

2 stops19h 59m

$626

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 11/12

9:50 am-7:50 am

2 stops16h 00m

Brussels Bruxelles-National

Sun 11/16

10:10 am-8:33 pm

1 stop16h 23m

$626

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 10/29

9:50 am-7:50 am

3 stops17h 00m

Brussels Bruxelles-National

Wed 11/5

10:00 am-8:20 pm

2 stops16h 20m

$1,328

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 1/5

6:30 am-1:15 pm

3 stops48h 45m

$368

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 12/15

1:05 pm-9:35 am

3 stops38h 30m

$406

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 1/5

7:23 pm-7:50 am

2 stops30h 27m

$449

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 1/5

5:45 am-7:15 am

1 stop19h 30m

$453

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 12/15

7:25 pm-7:50 am

2 stops30h 25m

$529

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 12/15

10:50 am-8:55 am

1 stop16h 05m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 September 15, 2025.

When flying from Knoxville to Belgium, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 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
8,929 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 United Airlines fly from Knoxville to Belgium in about 16h 25m. The time it takes to get you to your destination can typically vary by up to . Knoxville and Belgium are separated by a distance of 4289 mi.

  • 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.

  • What is the cheapest month to book a flight from Knoxville to Belgium?

    Currently, November is the cheapest month in which you can book a flight from Knoxville to Belgium (average of $614). Flying from Knoxville to Belgium in June is currently the most expensive (average of $1,077). 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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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$676Average$1,281FlexibilityNo cancel feeOn-time69%

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