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Cheap flights from Knoxville to Belgium from $307

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 4/1. 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.
Lufthansa Logo
2:25 pm - 7:15 am
TYS
-
BRU
10h 50m1 stop
Lufthansa Logo
11:55 am - 7:27 pm
BRU
-
TYS
13h 32m1 stop
$456Lufthansa
Tue, Feb 3 - Tue, Feb 10
United Airlines Logo
11:07 am - 1:15 pm
TYS
-
BRU
20h 08m2 stops
United Airlines Logo
10:00 am - 4:53 pm
BRU
-
TYS
36h 53m2 stops
$485United Airlines
Sat, Jan 31 - Sat, Feb 7
Lufthansa Logo
1:59 pm - 8:55 am
TYS
-
BRU
12h 56m1 stop
Lufthansa Logo
11:55 am - 7:27 pm
BRU
-
TYS
13h 32m1 stop
$487Lufthansa
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
9:30 am - 7:15 am
TYS
-
BRU
15h 45m1 stop
United Airlines Logo
10:00 am - 4:53 pm
BRU
-
TYS
36h 53m2 stops
$488United Airlines
Sat, Jan 31 - Sat, Feb 7
Multiple Airlines Logo
2:25 pm - 1:15 pm
TYS
-
BRU
16h 50m3 stops
Multiple Airlines Logo
10:00 am - 2:49 pm
BRU
-
TYS
34h 49m2 stops
$491Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Lufthansa Logo
2:25 pm - 7:15 am
TYS
-
BRU
10h 50m1 stop
Lufthansa Logo
10:30 am - 7:27 pm
BRU
-
TYS
14h 57m2 stops
$493Lufthansa
Sat, Jan 31 - Sat, Feb 7
Lufthansa Logo
2:25 pm - 1:10 pm
TYS
-
BRU
16h 45m2 stops
Lufthansa Logo
10:30 am - 8:52 pm
BRU
-
TYS
16h 22m2 stops
$500Lufthansa
Sat, Jan 31 - Sat, Feb 7
Multiple Airlines Logo
7:20 pm - 7:50 am
TYS
-
BRU
30h 30m2 stops
Multiple Airlines Logo
10:10 am - 8:52 pm
BRU
-
TYS
16h 42m1 stop
$502Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
Lufthansa Logo
2:25 pm - 7:15 am
TYS
-
BRU
10h 50m1 stop
Lufthansa Logo
11:55 am - 7:27 pm
BRU
-
TYS
13h 32m1 stop
$504Lufthansa
Sat, Jan 31 - Sat, Feb 7
United Airlines Logo
9:30 am - 7:15 am
TYS
-
BRU
15h 45m1 stop
United Airlines Logo
10:10 am - 8:52 pm
BRU
-
TYS
16h 42m1 stop
$508United Airlines
Wed, Feb 4 - Sun, Feb 8

Lufthansa flights from Knoxville to Belgium

Our best Lufthansa deals on Knoxville to Belgium flight tickets
Lufthansa
Feb 3
TYS2:25 pmKnoxville McGhee Tyson
10h 50m
1 stop
BRU7:15 amBrussels Bruxelles-National
Feb 10
BRU11:55 amBrussels Bruxelles-National
13h 32m
1 stop
TYS7:27 pmKnoxville McGhee Tyson
$456
Find similar
Lufthansa
Jan 31
TYS1:59 pmKnoxville McGhee Tyson
12h 56m
1 stop
BRU8:55 amBrussels Bruxelles-National
Feb 7
BRU11:55 amBrussels Bruxelles-National
13h 32m
1 stop
TYS7:27 pmKnoxville McGhee Tyson
$487
Find similar
Lufthansa
Jan 31
TYS2:25 pmKnoxville McGhee Tyson
10h 50m
1 stop
BRU7:15 amBrussels Bruxelles-National
Feb 7
BRU10:30 amBrussels Bruxelles-National
14h 57m
2 stops
TYS7:27 pmKnoxville McGhee Tyson
$493
Find similar

United Airlines flights from Knoxville to Belgium

Our best United Airlines deals on Knoxville to Belgium flight tickets
United Airlines
Jan 31
TYS11:07 amKnoxville McGhee Tyson
20h 08m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Feb 7
BRU10:00 amBrussels Bruxelles-National
36h 53m
2 stops
TYS4:53 pmKnoxville McGhee Tyson
$485
Find similar
United Airlines
Jan 31
TYS9:30 amKnoxville McGhee Tyson
15h 45m
1 stop
BRU7:15 amBrussels Bruxelles-National
Feb 7
BRU10:00 amBrussels Bruxelles-National
36h 53m
2 stops
TYS4:53 pmKnoxville McGhee Tyson
$488
Find similar
United Airlines
Feb 4
TYS9:30 amKnoxville McGhee Tyson
15h 45m
1 stop
BRU7:15 amBrussels Bruxelles-National
Feb 8
BRU10:10 amBrussels Bruxelles-National
16h 42m
1 stop
TYS8:52 pmKnoxville McGhee Tyson
$508
Find similar

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 December 21, 2025.
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

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Tue 2/3

2:25 pm-7:15 am

1 stop10h 50m

Brussels Bruxelles-National

Tue 2/10

11:55 am-7:27 pm

1 stop13h 32m

$456

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 1/31

11:07 am-1:15 pm

2 stops20h 08m

Brussels Bruxelles-National

Sat 2/7

10:00 am-4:53 pm

2 stops36h 53m

$485

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 1/31

1:59 pm-8:55 am

1 stop12h 56m

Brussels Bruxelles-National

Sat 2/7

11:55 am-7:27 pm

1 stop13h 32m

$487

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 1/31

9:30 am-7:15 am

1 stop15h 45m

Brussels Bruxelles-National

Sat 2/7

10:00 am-4:53 pm

2 stops36h 53m

$488

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Tue 2/3

2:25 pm-1:15 pm

3 stops16h 50m

Brussels Bruxelles-National

Tue 2/10

10:00 am-2:49 pm

2 stops34h 49m

$491

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 1/31

2:25 pm-7:15 am

1 stop10h 50m

Brussels Bruxelles-National

Sat 2/7

10:30 am-7:27 pm

2 stops14h 57m

$493

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 1/31

2:25 pm-1:10 pm

2 stops16h 45m

Brussels Bruxelles-National

Sat 2/7

10:30 am-8:52 pm

2 stops16h 22m

$500

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 2/4

7:20 pm-7:50 am

2 stops30h 30m

Brussels Bruxelles-National

Wed 2/11

10:10 am-8:52 pm

1 stop16h 42m

$502

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 1/31

2:25 pm-7:15 am

1 stop10h 50m

Brussels Bruxelles-National

Sat 2/7

11:55 am-7:27 pm

1 stop13h 32m

$504

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 2/4

9:30 am-7:15 am

1 stop15h 45m

Brussels Bruxelles-National

Sun 2/8

10:10 am-8:52 pm

1 stop16h 42m

$508

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 day to depart on your flight to Belgium?

Our data shows that Tuesday is the least expensive day to fly to Belgium. Tickets to fly out on this day can be as low as $912. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,355. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgium.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is in the afternoon. Flights from Knoxville to Belgium during this time can be as low as $949. Flights to Belgium are more costly at noon, with an average ticket price of $1,105. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Knoxville to Belgium flights?

You could potentially save up to 15% 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

10h 50m

Direct flights

None
The fastest flight from Knoxville to Belgium takes 10h 50m
There are no direct flights from Knoxville to Belgium. There are no popular flight routes from Knoxville to Belgium.
Search flight deals

  • 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
9,099 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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