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$523+ Cheap flights from Knoxville (TYS) to Belgium

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BRU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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 12/306:45 amTYS - BRU
2 stops24h 30mUnited Airlines
Thu 1/84:55 pmBRU - TYS
2 stops36h 49mUnited Airlines
Deal found 10/30$523
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/307:00 amTYS - BRU
2 stops24h 15mUnited Airlines
Wed 1/710:00 amBRU - TYS
2 stops34h 49mUnited Airlines
Deal found 10/30$640
This United deal was found by Cheapflights users on 10/30. 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 12/305:35 pmTYS - BRU
1 stop33h 20mMultiple Airlines
Thu 1/89:35 amBRU - TYS
2 stops15h 52mMultiple Airlines
Deal found 10/30$750
This Air Canada deal was found by Cheapflights users on 10/30. 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 12/309:50 amTYS - BRU
3 stops16h 00mMultiple Airlines
Wed 1/710:00 amBRU - TYS
2 stops30h 57mMultiple Airlines
Deal found 10/30$1,123
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Tue 12/305:35 pmTYS - BRU
1 stop33h 20mLufthansa
Thu 1/811:55 amBRU - TYS
1 stop13h 32mLufthansa
Deal found 10/30$1,153
This Air Canada deal was found by Cheapflights users on 10/30. 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 12/309:50 amTYS - BRU
3 stops16h 00mAir Canada
Wed 1/77:00 amBRU - TYS
3 stops18h 27mAir Canada
Deal found 10/30$1,225
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 11/27:00 amTYS - BRU
2 stops19h 05mUnited Airlines
Tue 11/410:00 amBRU - TYS
2 stops42h 55mUnited Airlines
Deal found 10/29$2,553
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Sun 11/27:00 amTYS - BRU
3 stops34h 10mMultiple Airlines
Tue 11/46:55 pmBRU - TYS
3 stops34h 47mMultiple Airlines
Deal found 10/29$2,554

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 October 30, 2025.

Round-trip from

$523
(United Airlines)
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 October 30, 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

Tue 12/30

6:45 am-1:15 pm

2 stops24h 30m

Brussels Bruxelles-National

Thu 1/8

4:55 pm-11:44 pm

2 stops36h 49m

$523

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Tue 12/30

7:00 am-1:15 pm

2 stops24h 15m

Brussels Bruxelles-National

Wed 1/7

10:00 am-2:49 pm

2 stops34h 49m

$640

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Fri 3/27

2:30 pm-8:00 am

1 stop12h 30m

Brussels Bruxelles-National

Tue 3/31

10:45 am-8:38 pm

1 stop15h 53m

$656

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Tue 12/30

5:35 pm-8:55 am

1 stop33h 20m

Brussels Bruxelles-National

Thu 1/8

9:35 am-7:27 pm

2 stops15h 52m

$750

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Fri 3/27

6:25 pm-3:25 pm

2 stops16h 00m

Brussels Bruxelles-National

Tue 3/31

10:55 am-9:14 pm

2 stops16h 19m

$872

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 October 30, 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 October 30, 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
8,998 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 and Delta fly from Knoxville to Belgium in about 12h 30m. The time it takes to get you to your destination can typically vary by up to 12h. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$603Average$1,314FlexibilityNo cancel feeOn-time69%

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