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Cheap flights from Knoxville to Belgium from $824

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Belgium departing on 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Knoxville to Belgium

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:55 pm - 1:15 pmTYS  Knoxville McGhee Tyson-BRU Brussels Bruxelles-National
18h 20m2 stops Washington, D.C. Dulles Intl London Heathrow
Multiple Airlines Logo
10:00 am - 11:59 pmBRU  Brussels Bruxelles-National-TYS Knoxville McGhee Tyson
43h 59m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Reagan-National
$824Multiple Airlines
Sat, Oct 31 - Sat, Nov 7
Multiple Airlines Logo
11:25 am - 8:05 amTYS  Knoxville McGhee Tyson-BRU Brussels Bruxelles-National
15h 40m1 stop Newark
Multiple Airlines Logo
10:00 am - 11:59 pmBRU  Brussels Bruxelles-National-TYS Knoxville McGhee Tyson
43h 59m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Reagan-National
$827Multiple Airlines
Sat, Oct 31 - Sat, Nov 7
United Airlines Logo
1:55 pm - 1:15 pmTYS  Knoxville McGhee Tyson-BRU Brussels Bruxelles-National
17h 20m2 stops Chicago O'Hare Intl London Heathrow
United Airlines Logo
9:10 am - 3:35 pmBRU  Brussels Bruxelles-National-TYS Knoxville McGhee Tyson
36h 25m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$844United Airlines
Fri, Sep 25 - Fri, Oct 2
United Airlines Logo
9:45 am - 7:15 amTYS  Knoxville McGhee Tyson-BRU Brussels Bruxelles-National
15h 30m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
9:10 am - 3:35 pmBRU  Brussels Bruxelles-National-TYS Knoxville McGhee Tyson
36h 25m2 stops Montreal Pierre Elliott Trudeau Intl Newark
$847United Airlines
Fri, Sep 25 - Fri, Oct 2
United Airlines Logo
9:45 am - 7:15 amTYS  Knoxville McGhee Tyson-BRU Brussels Bruxelles-National
16h 30m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:55 am - 7:36 pmBRU  Brussels Bruxelles-National-TYS Knoxville McGhee Tyson
13h 41m1 stop Washington, D.C. Dulles Intl
$847United Airlines
Sat, Oct 31 - Sat, Nov 7
Delta Logo
5:40 am - 7:40 amTYS  Knoxville McGhee Tyson-BRU Brussels Bruxelles-National
20h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:45 am - 11:55 pmBRU  Brussels Bruxelles-National-TYS Knoxville McGhee Tyson
20h 10m1 stop Atlanta Hartsfield-Jackson
$859Delta
Mon, Sep 21 - Sun, Sep 27
Delta Logo
10:26 am - 7:40 amTYS  Knoxville McGhee Tyson-BRU Brussels Bruxelles-National
15h 14m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:45 am - 11:18 amBRU  Brussels Bruxelles-National-TYS Knoxville McGhee Tyson
31h 33m1 stop Atlanta Hartsfield-Jackson
$859Delta
Mon, Sep 21 - Sun, Sep 27
Multiple Airlines Logo
9:45 am - 7:50 amTYS  Knoxville McGhee Tyson-BRU Brussels Bruxelles-National
17h 05m3 stops Washington, D.C. Dulles Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
10:00 am - 9:53 amBRU  Brussels Bruxelles-National-TYS Knoxville McGhee Tyson
29h 53m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$862Multiple Airlines
Sat, Oct 31 - Sat, Nov 7
United Airlines Logo
1:55 pm - 9:00 amTYS  Knoxville McGhee Tyson-BRU Brussels Bruxelles-National
13h 05m1 stop Chicago O'Hare Intl
United Airlines Logo
11:10 am - 8:45 pmBRU  Brussels Bruxelles-National-TYS Knoxville McGhee Tyson
15h 35m1 stop Newark
$867United Airlines
Fri, Sep 25 - Fri, Oct 2
Delta Logo
12:23 pm - 7:40 amTYS  Knoxville McGhee Tyson-BRU Brussels Bruxelles-National
13h 17m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:35 am - 9:04 pmBRU  Brussels Bruxelles-National-TYS Knoxville McGhee Tyson
16h 29m2 stops Amsterdam Schiphol New York John F Kennedy Intl
$868Delta
Mon, Sep 21 - Sun, Sep 27

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United Airlines flights from Knoxville to Belgium

Our best United Airlines deals on Knoxville to Belgium flight tickets
United Airlines
Sep 25
TYS1:55 pmKnoxville McGhee Tyson
17h 20m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Oct 2
BRU9:10 amBrussels Bruxelles-National
36h 25m
2 stops
TYS3:35 pmKnoxville McGhee Tyson
$844
United Airlines
Sep 25
TYS9:45 amKnoxville McGhee Tyson
15h 30m
1 stop
BRU7:15 amBrussels Bruxelles-National
Oct 2
BRU9:10 amBrussels Bruxelles-National
36h 25m
2 stops
TYS3:35 pmKnoxville McGhee Tyson
$847
United Airlines
Sep 25
TYS1:55 pmKnoxville McGhee Tyson
13h 05m
1 stop
BRU9:00 amBrussels Bruxelles-National
Oct 2
BRU11:10 amBrussels Bruxelles-National
15h 35m
1 stop
TYS8:45 pmKnoxville McGhee Tyson
$867

Air Canada flights from Knoxville to Belgium

Our best Air Canada deals on Knoxville to Belgium flight tickets
Air Canada
Oct 31
TYS9:45 amKnoxville McGhee Tyson
17h 05m
3 stops
BRU7:50 amBrussels Bruxelles-National
Nov 7
BRU7:00 amBrussels Bruxelles-National
18h 36m
3 stops
TYS7:36 pmKnoxville McGhee Tyson
$994
Air Canada
Sep 21
TYS9:45 amKnoxville McGhee Tyson
15h 25m
3 stops
BRU7:10 amBrussels Bruxelles-National
Sep 27
BRU9:10 amBrussels Bruxelles-National
17h 39m
3 stops
TYS8:49 pmKnoxville McGhee Tyson
$1,093
Air Canada
Sep 25
TYS9:45 amKnoxville McGhee Tyson
15h 25m
3 stops
BRU7:10 amBrussels Bruxelles-National
Oct 2
BRU9:10 amBrussels Bruxelles-National
17h 39m
3 stops
TYS8:49 pmKnoxville McGhee Tyson
$1,333

momondo 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, momondo users made 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Knoxville to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleBrussels

TYS Knoxville McGhee Tyson - BRU Brussels Bruxelles-National

TYSBRU

Knoxville McGhee Tyson

Sat 10/31

1:55 pm-1:15 pm

2 stops18h 20m

Brussels Bruxelles-National

Sat 11/7

10:00 am-11:59 pm

2 stops43h 59m

$824

KnoxvilleBrussels

TYS Knoxville McGhee Tyson - BRU Brussels Bruxelles-National

TYSBRU

Knoxville McGhee Tyson

Sat 10/31

11:25 am-8:05 am

1 stop15h 40m

Brussels Bruxelles-National

Sat 11/7

10:00 am-11:59 pm

2 stops43h 59m

$827

KnoxvilleBrussels

TYS Knoxville McGhee Tyson - BRU Brussels Bruxelles-National

TYSBRU

Knoxville McGhee Tyson

Fri 9/25

1:55 pm-1:15 pm

2 stops17h 20m

Brussels Bruxelles-National

Fri 10/2

9:10 am-3:35 pm

2 stops36h 25m

$844

KnoxvilleBrussels

TYS Knoxville McGhee Tyson - BRU Brussels Bruxelles-National

TYSBRU

Knoxville McGhee Tyson

Fri 9/25

9:45 am-7:15 am

1 stop15h 30m

Brussels Bruxelles-National

Fri 10/2

9:10 am-3:35 pm

2 stops36h 25m

$847

KnoxvilleBrussels

TYS Knoxville McGhee Tyson - BRU Brussels Bruxelles-National

TYSBRU

Knoxville McGhee Tyson

Sat 10/31

9:45 am-7:15 am

1 stop16h 30m

Brussels Bruxelles-National

Sat 11/7

11:55 am-7:36 pm

1 stop13h 41m

$847

KnoxvilleBrussels

TYS Knoxville McGhee Tyson - BRU Brussels Bruxelles-National

TYSBRU

Knoxville McGhee Tyson

Mon 9/21

5:40 am-7:40 am

1 stop20h 00m

Brussels Bruxelles-National

Sun 9/27

9:45 am-11:55 pm

1 stop20h 10m

$859

KnoxvilleBrussels

TYS Knoxville McGhee Tyson - BRU Brussels Bruxelles-National

TYSBRU

Knoxville McGhee Tyson

Mon 9/21

10:26 am-7:40 am

1 stop15h 14m

Brussels Bruxelles-National

Sun 9/27

9:45 am-11:18 am

1 stop31h 33m

$859

KnoxvilleBrussels

TYS Knoxville McGhee Tyson - BRU Brussels Bruxelles-National

TYSBRU

Knoxville McGhee Tyson

Sat 10/31

9:45 am-7:50 am

3 stops17h 05m

Brussels Bruxelles-National

Sat 11/7

10:00 am-9:53 am

2 stops29h 53m

$862
Quickest round-trip

KnoxvilleBrussels

TYS Knoxville McGhee Tyson - BRU Brussels Bruxelles-National

TYSBRU

Knoxville McGhee Tyson

Fri 9/25

1:55 pm-9:00 am

1 stop13h 05m

Brussels Bruxelles-National

Fri 10/2

11:10 am-8:45 pm

1 stop15h 35m

$867

KnoxvilleBrussels

TYS Knoxville McGhee Tyson - BRU Brussels Bruxelles-National

TYSBRU

Knoxville McGhee Tyson

Mon 9/21

12:23 pm-7:40 am

1 stop13h 17m

Brussels Bruxelles-National

Sun 9/27

10:35 am-9:04 pm

2 stops16h 29m

$868

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belgium from

How to get the cheapest flight ticket from Knoxville to Belgium

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Belgium?

In general, January is the cheapest month to fly from Knoxville to Belgium. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Belgium during the month of January, then departing from Knoxville during the month November is also very affordable. Most momondo users find prices during this month for around $726.

Can stopping save me money on Knoxville to Belgium flights?

You could potentially save up to 1% on your flight if you consider stops on a Knoxville to Belgium flight.

Cheap Knoxville to Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Belgium

Fastest flight time

14h 40m

Direct flights

None
The fastest flight from Knoxville to Belgium takes 14h 40m
There are no direct flights from Knoxville to Belgium. There are no popular flight routes from Knoxville to Belgium.
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Frequently asked questions about flying from Knoxville to Belgium

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Belgium?

    Prices for flights from Knoxville McGhee Tyson Airport to Belgium were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Belgium?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Belgium?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Belgium.

  • What documentation or ID do you need to fly to Belgium?

    The necessary travel and health documents for your Belgium trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Knoxville to Belgium

Compare and see reviews for airlines that fly from Knoxville to Belgium with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $725Free CancellationRating
7.4
10,114 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Belgium?

It is quick and easy to find Knoxville to Belgium flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belgium that suits you.

Can I find flights from Knoxville to Belgium with flexible booking policies on momondo?

All flight searches from Knoxville to Belgium on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Knoxville to Belgium?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Knoxville to Belgium.

I’m not ready to book a flight from Knoxville to Belgium right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Knoxville to Belgium flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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