Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Knoxville to Belgium from $639

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 11/1. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Knoxville to Belgium

Cheap round-trip flights

United Airlines Logo
7:20 pm - 7:50 amTYS-BRU
31h 30m2 stops
United Airlines Logo
10:00 am - 5:08 pmBRU-TYS
37h 08m2 stops
$639United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 15
United Airlines Logo
2:25 pm - 7:15 amTYS-BRU
10h 50m1 stop
United Airlines Logo
11:55 am - 11:59 pmBRU-TYS
18h 04m1 stop
$656United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
10:50 am - 8:55 amTYS-BRU
16h 05m1 stop
United Airlines Logo
11:55 am - 8:20 pmBRU-TYS
14h 25m1 stop
$657United Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
United Airlines Logo
7:20 pm - 7:50 amTYS-BRU
31h 30m2 stops
United Airlines Logo
10:10 am - 10:55 pmBRU-TYS
18h 45m1 stop
$662United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 15
British Airways Logo
5:52 pm - 4:40 pmTYS-BRU
16h 48m2 stops
British Airways Logo
3:00 pm - 8:40 pmBRU-TYS
35h 40m2 stops
$682British Airways
Find Deal
Mon, Dec 1 - Mon, Dec 15
United Airlines Logo
9:50 am - 7:15 amTYS-BRU
15h 25m1 stop
United Airlines Logo
4:55 pm - 5:11 pmBRU-TYS
30h 16m2 stops
$732United Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 15
American Airlines Logo
1:25 pm - 11:10 amTYS-BRU
15h 45m2 stops
American Airlines Logo
11:50 am - 12:05 amBRU-TYS
18h 15m3 stops
$740American Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 15
United Airlines Logo
2:25 pm - 7:15 amTYS-BRU
10h 50m1 stop
United Airlines Logo
10:10 am - 9:04 pmBRU-TYS
16h 54m1 stop
$756United Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 15
Scandinavian Airlines Logo
4:19 pm - 3:20 pmTYS-BRU
17h 01m2 stops
Scandinavian Airlines Logo
8:30 pm - 9:56 pmBRU-TYS
31h 26m2 stops
$795Scandinavian Airlines
Find Deal
Thu, Sep 4 - Sun, Oct 5
Lufthansa Logo
7:20 pm - 7:15 amTYS-BRU
30h 55m1 stop
Lufthansa Logo
11:55 am - 11:59 pmBRU-TYS
18h 04m1 stop
$864Lufthansa
Find Deal
Sat, Nov 1 - Sat, Nov 15

United Airlines flights from Knoxville to Belgium

Our best United Airlines deals on Knoxville to Belgium flight tickets
United Airlines
Nov 1
TYS7:20 pmKnoxville McGhee Tyson
31h 30m
2 stops
BRU7:50 amBrussels Bruxelles-National
Nov 15
BRU10:00 amBrussels Bruxelles-National
37h 08m
2 stops
TYS5:08 pmKnoxville McGhee Tyson
$639
Find similar
United Airlines
Nov 12
TYS2:25 pmKnoxville McGhee Tyson
10h 50m
1 stop
BRU7:15 amBrussels Bruxelles-National
Nov 16
BRU11:55 amBrussels Bruxelles-National
18h 04m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
$656
Find similar
United Airlines
Nov 12
TYS10:50 amKnoxville McGhee Tyson
16h 05m
1 stop
BRU8:55 amBrussels Bruxelles-National
Nov 16
BRU11:55 amBrussels Bruxelles-National
14h 25m
1 stop
TYS8:20 pmKnoxville McGhee Tyson
$657
Find similar

Air Canada flights from Knoxville to Belgium

Our best Air Canada deals on Knoxville to Belgium flight tickets
Air Canada
Dec 1
TYS5:45 amKnoxville McGhee Tyson
20h 05m
3 stops
BRU7:50 amBrussels Bruxelles-National
Dec 15
BRU7:00 amBrussels Bruxelles-National
18h 29m
3 stops
TYS7:29 pmKnoxville McGhee Tyson
$1,046
Find similar
Air Canada
Sep 23
TYS2:30 pmKnoxville McGhee Tyson
16h 45m
3 stops
BRU1:15 pmBrussels Bruxelles-National
Oct 1
BRU7:00 amBrussels Bruxelles-National
20h 11m
3 stops
TYS9:11 pmKnoxville McGhee Tyson
$1,427
Find similar
Air Canada
Sep 23
TYS2:30 pmKnoxville McGhee Tyson
16h 45m
3 stops
BRU1:15 pmBrussels Bruxelles-National
Oct 1
BRU7:00 amBrussels Bruxelles-National
20h 11m
3 stops
TYS9:11 pmKnoxville McGhee Tyson
$1,428
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 July 31, 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

Sat 11/1

7:20 pm-7:50 am

2 stops31h 30m

Brussels Bruxelles-National

Sat 11/15

10:00 am-5:08 pm

2 stops37h 08m

$639

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 11/12

2:25 pm-7:15 am

1 stop10h 50m

Brussels Bruxelles-National

Sun 11/16

11:55 am-11:59 pm

1 stop18h 04m

$656

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Wed 11/12

10:50 am-8:55 am

1 stop16h 05m

Brussels Bruxelles-National

Sun 11/16

11:55 am-8:20 pm

1 stop14h 25m

$657

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 11/1

7:20 pm-7:50 am

2 stops31h 30m

Brussels Bruxelles-National

Sat 11/15

10:10 am-10:55 pm

1 stop18h 45m

$662

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 12/1

5:52 pm-4:40 pm

2 stops16h 48m

Brussels Bruxelles-National

Mon 12/15

3:00 pm-8:40 pm

2 stops35h 40m

$682

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 12/1

9:50 am-7:15 am

1 stop15h 25m

Brussels Bruxelles-National

Mon 12/15

4:55 pm-5:11 pm

2 stops30h 16m

$732

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 12/1

1:25 pm-11:10 am

2 stops15h 45m

Brussels Bruxelles-National

Mon 12/15

11:50 am-12:05 am

3 stops18h 15m

$740

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Mon 12/1

2:25 pm-7:15 am

1 stop10h 50m

Brussels Bruxelles-National

Mon 12/15

10:10 am-9:04 pm

1 stop16h 54m

$756

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Thu 9/4

4:19 pm-3:20 pm

2 stops17h 01m

Brussels Bruxelles-National

Sun 10/5

8:30 pm-9:56 pm

2 stops31h 26m

$795

KnoxvilleBrussels

TYS - BRU

TYSBRU

Knoxville McGhee Tyson

Sat 11/1

7:20 pm-7:15 am

1 stop30h 55m

Brussels Bruxelles-National

Sat 11/15

11:55 am-11:59 pm

1 stop18h 04m

$864

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 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.

Cheap Knoxville to Belgium flight deals and tips

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

Best Price Found

$639

Fastest flight time

10h 50m

Direct flights

None

Airports in Belgium

1 airport
The best flight deal from Knoxville to Belgium found on momondo in the last 72 hours is $639
The fastest flight from Knoxville to Belgium takes 10h 50m
There are no direct flights from Knoxville to Belgium. Popular non-direct route for this connection is Knoxville McGhee Tyson Airport - Brussels Bruxelles-National Airport.
There is 1 airport near Belgium: Brussels Bruxelles-National (BRU)
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 $676Free CancellationRating
7.4
8,900 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belgium

Popular cities in Belgium

Popular flights according to clicks in the last 7 days on momondo
Flights to Brusselsfrom $369
Flights to Ostend