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Cheap flights from Knoxville to Belgium from $532

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Belgium departing on 6/17. 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
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.
American Airlines Logo
2:17 pm - 2:25 pm
TYS
-
BRU
18h 08m
2 stops
American Airlines Logo
9:50 am - 9:24 pm
BRU
-
TYS
17h 34m
2 stops
$874American Airlines
Mon, Sep 21 - Fri, Nov 27
Air Canada Logo
5:45 am - 7:10 am
TYS
-
BRU
19h 25m
2 stops
Air Canada Logo
10:00 am - 2:42 pm
BRU
-
TYS
34h 42m
2 stops
$887Air Canada
Sun, Aug 23 - Tue, Jan 12
Multiple Airlines Logo
1:40 pm - 7:10 pm
TYS
-
BRU
23h 30m
2 stops
Multiple Airlines Logo
7:10 pm - 11:57 pm
BRU
-
TYS
34h 47m
2 stops
$897Multiple Airlines
Mon, Sep 21 - Wed, Dec 2
United Airlines Logo
1:35 pm - 1:15 pm
TYS
-
BRU
17h 40m
2 stops
United Airlines Logo
10:10 am - 9:05 pm
BRU
-
TYS
16h 55m
1 stop
$900United Airlines
Sun, Aug 23 - Wed, Jan 13
United Airlines Logo
1:35 pm - 7:25 am
TYS
-
BRU
11h 50m
1 stop
United Airlines Logo
10:10 am - 4:49 pm
BRU
-
TYS
12h 39m
1 stop
$903United Airlines
Sun, Aug 23 - Wed, Jan 13
United Airlines Logo
1:35 pm - 1:15 pm
TYS
-
BRU
17h 40m
2 stops
United Airlines Logo
11:15 am - 9:05 pm
BRU
-
TYS
15h 50m
2 stops
$904United Airlines
Sun, Aug 23 - Wed, Jan 13
United Airlines Logo
7:20 pm - 7:15 am
TYS
-
BRU
29h 55m
1 stop
United Airlines Logo
11:55 am - 7:17 pm
BRU
-
TYS
13h 22m
1 stop
$909United Airlines
Sat, Aug 22 - Wed, Jan 13
United Airlines Logo
1:35 pm - 1:15 pm
TYS
-
BRU
17h 40m
2 stops
United Airlines Logo
10:10 am - 4:49 pm
BRU
-
TYS
12h 39m
1 stop
$950United Airlines
Sun, Aug 23 - Mon, Jan 11
United Airlines Logo
9:45 am - 7:15 am
TYS
-
BRU
15h 30m
1 stop
United Airlines Logo
11:55 am - 7:17 pm
BRU
-
TYS
13h 22m
1 stop
$953United Airlines
Sun, Aug 23 - Mon, Jan 11
United Airlines Logo
1:35 pm - 1:15 pm
TYS
-
BRU
17h 40m
2 stops
United Airlines Logo
11:15 am - 9:05 pm
BRU
-
TYS
15h 50m
2 stops
$954United Airlines
Sun, Aug 23 - Mon, Jan 11

KLM flights from Knoxville to Belgium

Our best KLM deals on Knoxville to Belgium flight tickets
KLM
Sep 21
TYS2:30 pmKnoxville McGhee Tyson
11h 10m
1 stop
BRU7:40 amBrussels Bruxelles-National
Dec 2
BRU12:55 pmBrussels Bruxelles-National
13h 45m
1 stop
TYS8:40 pmKnoxville McGhee Tyson
$981
KLM
Sep 7
TYS5:57 pmKnoxville McGhee Tyson
31h 43m
1 stop
BRU7:40 amBrussels Bruxelles-National
Sep 13
BRU9:45 amBrussels Bruxelles-National
13h 32m
1 stop
TYS5:17 pmKnoxville McGhee Tyson
$1,033
KLM
Jul 21
TYS6:05 pmKnoxville McGhee Tyson
31h 35m
1 stop
BRU7:40 amBrussels Bruxelles-National
Aug 17
BRU9:45 amBrussels Bruxelles-National
16h 25m
1 stop
TYS8:10 pmKnoxville McGhee Tyson
$1,057

United Airlines flights from Knoxville to Belgium

Our best United Airlines deals on Knoxville to Belgium flight tickets
United Airlines
Aug 23
TYS1:35 pmKnoxville McGhee Tyson
17h 40m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 13
BRU10:10 amBrussels Bruxelles-National
16h 55m
1 stop
TYS9:05 pmKnoxville McGhee Tyson
$900
United Airlines
Aug 23
TYS5:45 amKnoxville McGhee Tyson
19h 40m
1 stop
BRU7:25 amBrussels Bruxelles-National
Jan 12
BRU11:55 amBrussels Bruxelles-National
13h 22m
1 stop
TYS7:17 pmKnoxville McGhee Tyson
$903
United Airlines
Aug 23
TYS1:35 pmKnoxville McGhee Tyson
17h 40m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Jan 13
BRU11:15 amBrussels Bruxelles-National
15h 50m
2 stops
TYS9:05 pmKnoxville McGhee Tyson
$904

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 May 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 - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 9/21

2:17 pm-2:25 pm

2 stops18h 08m

Brussels Bruxelles-National

Fri 11/27

9:50 am-9:24 pm

2 stops17h 34m

$874

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 8/23

5:45 am-7:10 am

2 stops19h 25m

Brussels Bruxelles-National

Tue 1/12

10:00 am-2:42 pm

2 stops34h 42m

$887

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 9/21

1:40 pm-7:10 pm

2 stops23h 30m

Brussels Bruxelles-National

Wed 12/2

7:10 pm-11:57 pm

2 stops34h 47m

$897

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 8/23

1:35 pm-1:15 pm

2 stops17h 40m

Brussels Bruxelles-National

Wed 1/13

10:10 am-9:05 pm

1 stop16h 55m

$900
Quickest round-trip

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 8/23

1:35 pm-7:25 am

1 stop11h 50m

Brussels Bruxelles-National

Wed 1/13

10:10 am-4:49 pm

1 stop12h 39m

$903

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 8/23

1:35 pm-1:15 pm

2 stops17h 40m

Brussels Bruxelles-National

Wed 1/13

11:15 am-9:05 pm

2 stops15h 50m

$904

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 8/22

7:20 pm-7:15 am

1 stop29h 55m

Brussels Bruxelles-National

Wed 1/13

11:55 am-7:17 pm

1 stop13h 22m

$909

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 8/23

1:35 pm-1:15 pm

2 stops17h 40m

Brussels Bruxelles-National

Mon 1/11

10:10 am-4:49 pm

1 stop12h 39m

$950

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 8/23

9:45 am-7:15 am

1 stop15h 30m

Brussels Bruxelles-National

Mon 1/11

11:55 am-7:17 pm

1 stop13h 22m

$953

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 8/23

1:35 pm-1:15 pm

2 stops17h 40m

Brussels Bruxelles-National

Mon 1/11

11:15 am-9:05 pm

2 stops15h 50m

$954

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 October is also very affordable. Most momondo users find prices during this month for around $603.

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

15h 15m

Direct flights

None
The fastest flight from Knoxville to Belgium takes 15h 15m
There are no direct flights from Knoxville to Belgium. There are no popular flight routes from Knoxville to Belgium.
Search flight deals

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 $603Free CancellationRating
7.4
9,706 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.

An easier way to manage your Belgium trip

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