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Cheap flights from Knoxville to Belgium from $786

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 11/16. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Belgium

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:55 pm - 7:50 am
TYS
-
BRU
31h 55m
2 stops
United Airlines Logo
2:25 pm - 8:44 pm
BRU
-
TYS
36h 19m
2 stops
$786United Airlines
Mon, Nov 16 - Wed, Nov 18
United Airlines Logo
10:48 am - 8:55 am
TYS
-
BRU
16h 07m
1 stop
United Airlines Logo
10:10 am - 5:02 pm
BRU
-
TYS
12h 52m
1 stop
$790United Airlines
Mon, Nov 16 - Wed, Nov 18
Multiple Airlines Logo
1:00 pm - 1:15 pm
TYS
-
BRU
18h 15m
2 stops
Multiple Airlines Logo
9:30 am - 2:37 pm
BRU
-
TYS
35h 07m
2 stops
$927Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
7:00 am - 9:00 am
TYS
-
BRU
20h 00m
1 stop
Multiple Airlines Logo
9:30 am - 2:37 pm
BRU
-
TYS
35h 07m
2 stops
$931Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
7:00 am - 9:00 am
TYS
-
BRU
20h 00m
1 stop
Multiple Airlines Logo
10:45 am - 8:24 pm
BRU
-
TYS
15h 39m
1 stop
$952Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
United Airlines Logo
1:53 pm - 9:00 am
TYS
-
BRU
13h 07m
1 stop
United Airlines Logo
9:10 am - 4:58 pm
BRU
-
TYS
37h 48m
2 stops
$959United Airlines
Sun, Sep 13 - Tue, Sep 22
Multiple Airlines Logo
6:00 am - 7:10 am
TYS
-
BRU
19h 10m
2 stops
Multiple Airlines Logo
9:10 am - 2:37 pm
BRU
-
TYS
35h 27m
2 stops
$963Multiple Airlines
Sun, Sep 13 - Tue, Sep 22
United Airlines Logo
12:10 pm - 1:15 pm
TYS
-
BRU
19h 05m
2 stops
United Airlines Logo
12:00 pm - 8:24 pm
BRU
-
TYS
14h 24m
1 stop
$976United Airlines
Sun, Aug 9 - Sun, Aug 16
United Airlines Logo
1:54 pm - 1:15 pm
TYS
-
BRU
17h 21m
2 stops
United Airlines Logo
9:30 am - 8:53 pm
BRU
-
TYS
17h 23m
2 stops
$979United Airlines
Sun, Aug 9 - Sun, Aug 16
Delta Logo
9:33 am - 7:40 am
TYS
-
BRU
16h 07m
1 stop
Delta Logo
9:45 am - 11:52 pm
BRU
-
TYS
20h 07m
1 stop
$980Delta
Sun, Aug 9 - Sun, Aug 16

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Lufthansa flights from Knoxville to Belgium

Our best Lufthansa deals on Knoxville to Belgium flight tickets
Lufthansa
Jul 7
TYS7:19 pmKnoxville McGhee Tyson
21h 51m
2 stops
BRU11:10 pmBrussels Bruxelles-National
Jul 15
BRU12:45 pmBrussels Bruxelles-National
17h 09m
2 stops
TYS11:54 pmKnoxville McGhee Tyson
$1,215
Lufthansa
Jul 22
TYS1:54 pmKnoxville McGhee Tyson
13h 06m
1 stop
BRU9:00 amBrussels Bruxelles-National
Jul 31
BRU12:00 pmBrussels Bruxelles-National
14h 34m
1 stop
TYS8:34 pmKnoxville McGhee Tyson
$2,169
Lufthansa
Jul 22
TYS5:45 pmKnoxville McGhee Tyson
16h 30m
2 stops
BRU4:15 pmBrussels Bruxelles-National
Jul 31
BRU12:00 pmBrussels Bruxelles-National
14h 34m
1 stop
TYS8:34 pmKnoxville McGhee Tyson
$2,191

British Airways flights from Knoxville to Belgium

Our best British Airways deals on Knoxville to Belgium flight tickets
British Airways
Jul 22
TYS1:43 pmKnoxville McGhee Tyson
19h 22m
2 stops
BRU3:05 pmBrussels Bruxelles-National
Jul 31
BRU10:45 amBrussels Bruxelles-National
17h 13m
2 stops
TYS9:58 pmKnoxville McGhee Tyson
$2,175
British Airways
Jul 22
TYS8:05 pmKnoxville McGhee Tyson
18h 20m
2 stops
BRU8:25 pmBrussels Bruxelles-National
Jul 31
BRU10:45 amBrussels Bruxelles-National
17h 38m
2 stops
TYS10:23 pmKnoxville McGhee Tyson
$2,179
British Airways
Jul 22
TYS8:05 pmKnoxville McGhee Tyson
18h 20m
2 stops
BRU8:25 pmBrussels Bruxelles-National
Jul 31
BRU10:45 amBrussels Bruxelles-National
17h 38m
2 stops
TYS10:23 pmKnoxville McGhee Tyson
$2,225

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 June 29, 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 11/16

5:55 pm-7:50 am

2 stops31h 55m

Brussels Bruxelles-National

Wed 11/18

2:25 pm-8:44 pm

2 stops36h 19m

$786
Quickest round-trip

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 11/16

10:48 am-8:55 am

1 stop16h 07m

Brussels Bruxelles-National

Wed 11/18

10:10 am-5:02 pm

1 stop12h 52m

$790

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Fri 8/14

1:00 pm-1:15 pm

2 stops18h 15m

Brussels Bruxelles-National

Fri 8/21

9:30 am-2:37 pm

2 stops35h 07m

$927

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Fri 8/14

7:00 am-9:00 am

1 stop20h 00m

Brussels Bruxelles-National

Fri 8/21

9:30 am-2:37 pm

2 stops35h 07m

$931

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Fri 8/14

7:00 am-9:00 am

1 stop20h 00m

Brussels Bruxelles-National

Fri 8/21

10:45 am-8:24 pm

1 stop15h 39m

$952

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 9/13

1:53 pm-9:00 am

1 stop13h 07m

Brussels Bruxelles-National

Tue 9/22

9:10 am-4:58 pm

2 stops37h 48m

$959

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 9/13

6:00 am-7:10 am

2 stops19h 10m

Brussels Bruxelles-National

Tue 9/22

9:10 am-2:37 pm

2 stops35h 27m

$963

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 8/9

12:10 pm-1:15 pm

2 stops19h 05m

Brussels Bruxelles-National

Sun 8/16

12:00 pm-8:24 pm

1 stop14h 24m

$976

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 8/9

1:54 pm-1:15 pm

2 stops17h 21m

Brussels Bruxelles-National

Sun 8/16

9:30 am-8:53 pm

2 stops17h 23m

$979

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sun 8/9

9:33 am-7:40 am

1 stop16h 07m

Brussels Bruxelles-National

Sun 8/16

9:45 am-11:52 pm

1 stop20h 07m

$980

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, October 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 October, then departing from Knoxville during the month January is also very affordable. Most momondo users find prices during this month for around $0.

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

13h 07m

Direct flights

None
The fastest flight from Knoxville to Belgium takes 13h 07m
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
9,894 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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