
Round-trip from | $451 (Kiwi.com) |
|---|---|
One-way from | $408 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $2,205 |
Fly from
Fly to
Route
Depart
Return
Price
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Fri 1/16
1:15 pm-8:55 am
1 stop12h 40m
Brussels Bruxelles-National
Wed 1/21
6:45 am-5:43 pm
2 stops17h 58m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Fri 2/6
4:05 pm-1:15 pm
2 stops14h 10m
Brussels Bruxelles-National
Tue 2/10
10:00 am-2:30 pm
2 stops35h 30m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Fri 2/6
9:57 am-8:55 am
1 stop15h 58m
Brussels Bruxelles-National
Tue 2/10
11:15 am-5:18 pm
1 stop13h 03m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Thu 1/29
11:20 am-1:15 pm
2 stops18h 55m
Brussels Bruxelles-National
Tue 2/3
10:00 am-2:30 pm
2 stops35h 30m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Thu 1/29
4:05 pm-1:15 pm
2 stops38h 10m
Brussels Bruxelles-National
Tue 2/3
10:00 am-2:30 pm
2 stops35h 30m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Tue 1/13
4:05 pm-1:15 pm
2 stops14h 10m
Brussels Bruxelles-National
Tue 1/20
11:15 am-11:59 pm
1 stop19h 44m
St. LouisBrussels
STL - CRL
STLCRL
Lambert-St Louis
Sun 5/3
6:29 pm-6:15 pm
2 stops16h 46m
Charleroi Brussels
Sat 5/16
5:35 pm-1:30 pm
2 stops26h 55m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Sun 1/4
6:35 pm-8:55 am
1 stop31h 20m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Tue 1/6
11:20 am-1:15 pm
2 stops18h 55m
St. LouisBrussels
STL - BRU
STLBRU
Lambert-St Louis
Fri 1/2
6:35 pm-5:30 pm
2 stops15h 55m
Currently, April is the cheapest month in which you can book a flight from St. Louis to Belgium (average of $453). Flying from St. Louis to Belgium in June is currently the most expensive (average of $1,008). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from St. Louis to Belgium, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 48% versus a flight in the evening.
Crew
Boarding
Comfort
Overall
Entertainment
Food
Reviews
Sunderesh,Dec 2025
AUS - EWR
Crew
Boarding
Comfort
Overall
Entertainment
Food
Reviews
Sunderesh,Dec 2025
AUS - EWR
Crew
Boarding
Comfort
Overall
Entertainment
Food
Reviews
Sunderesh,Dec 2025
AUS - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$654 | Average$814 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$829 | Average$2,205 | FlexibilityNo cancel fee | On-time76% |