HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belgium

$245+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — BRU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Belgium 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 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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 2/259:40 am
TYS
-
BRU
2 stops21h 35m
United Airlines
Wed 3/410:00 am
BRU
-
TYS
2 stops40h 47m
United Airlines
Deal found 1/27$486
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/257:25 pm
TYS
-
BRU
1 stop29h 50m
United Airlines
Sun 3/110:00 am
BRU
-
TYS
2 stops54h 12m
United Airlines
Deal found 1/28$489
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:48 pm
TYS
-
BRU
2 stops20h 07m
Lufthansa
Wed 4/228:30 am
BRU
-
TYS
2 stops20h 33m
Lufthansa
Deal found 1/27$503
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 4/87:20 pm
TYS
-
BRU
2 stops18h 40m
United Airlines
Wed 4/2210:15 am
BRU
-
TYS
1 stop18h 48m
United Airlines
Deal found 1/27$505
This Air Canada deal was found by Cheapflights users on 1/27. 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.
Wed 2/256:45 am
TYS
-
BRU
2 stops19h 05m
Multiple Airlines
Wed 3/47:00 am
BRU
-
TYS
3 stops18h 29m
Multiple Airlines
Deal found 1/27$523
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:40 am
TYS
-
BRU
3 stops16h 10m
Air Canada
Wed 3/47:00 am
BRU
-
TYS
3 stops18h 29m
Air Canada
Deal found 1/27$629

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 January 29, 2026.

Round-trip from

$486
(United Airlines)

One-way from

$245
(TravelUp)
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 January 29, 2026.
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 2/25

7:25 pm-7:15 am

1 stop29h 50m

Brussels Bruxelles-National

Sun 3/1

10:00 am-10:12 am

2 stops54h 12m

$489

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 4/8

7:20 pm-4:15 pm

2 stops14h 55m

Brussels Bruxelles-National

Wed 4/22

8:30 am-11:03 pm

2 stops20h 33m

$503

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 4/8

2:25 pm-7:15 am

1 stop10h 50m

Brussels Bruxelles-National

Wed 4/22

10:15 am-4:52 pm

1 stop12h 37m

$509

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 2/25

10:53 am-8:55 am

1 stop16h 02m

Brussels Bruxelles-National

Wed 3/4

10:10 am-8:37 pm

1 stop16h 27m

$509

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 2/25

6:45 am-7:50 am

2 stops19h 05m

Brussels Bruxelles-National

Wed 3/4

7:00 am-7:29 pm

3 stops18h 29m

$523

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 2/25

9:40 am-7:50 am

3 stops16h 10m

Brussels Bruxelles-National

Wed 3/4

7:00 am-7:29 pm

3 stops18h 29m

$629

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 5/13

2:25 pm-1:15 pm

2 stops16h 50m

$245

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 5/13

7:18 pm-8:00 pm

2 stops18h 42m

$248

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 5/20

7:18 pm-1:10 pm

2 stops35h 52m

$454

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 5/20

4:15 pm-7:40 am

1 stop33h 25m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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
No data available for this route at this time. Please check back soon.

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 January 29, 2026.
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
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 Lufthansa fly from Knoxville to Belgium in about 14h 55m. The time it takes to get you to your destination can typically vary by up to 14h 55m. 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

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 Belgium

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Heathrow flights
Nashville to Dublin flights
Nashville to Gatwick flights
Nashville to Leonardo da Vinci/Fiumicino flights
Nashville to Charles de Gaulle flights
Nashville to Stansted flights
Nashville to London City flights
Nashville to Orly flights
Nashville to Athens flights
Nashville to Barcelona-El Prat flights
Nashville to Frankfurt flights
Nashville to Amsterdam flights
Nashville to Zurich flights
Memphis to Heathrow flights
Nashville to Madrid flights
Nashville to Keflavik Intl flights
Knoxville to Heathrow flights
Nashville to Malpensa flights
Knoxville to Charles de Gaulle flights
Nashville to Florence flights
Nashville to Edinburgh flights
Nashville to Lisbon flights
Nashville to Linate flights
Nashville to Vicenza flights
Memphis to Gatwick flights
Knoxville to Dublin flights
Memphis to Charles de Gaulle flights
Knoxville to Orly flights
Memphis to Frankfurt flights
Nashville to Istanbul flights
Knoxville to Frankfurt flights
Nashville to Arlanda flights
Nashville to Oslo Gardermoen flights
Knoxville to Leonardo da Vinci/Fiumicino flights
Memphis to Florence flights
Memphis to Orly flights
Knoxville to Barcelona-El Prat flights
Nashville to Prague flights
Chattanooga to Frankfurt flights
Memphis to Leonardo da Vinci/Fiumicino flights
Nashville to Glasgow Intl flights
Chattanooga to Heathrow flights
Nashville to Vienna flights
Memphis to Athens flights
Knoxville to London City flights
Nashville to Bruxelles-National flights
Memphis to Madrid flights
Memphis to Dublin flights
Nashville to Sabiha Gokcen flights
Memphis to Edinburgh flights

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$603Average$973FlexibilityNo 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.