$1,559 Cheap KLM flights from Brussels to St. Louis (BRU to STL)

Find The Best Day To Fly from Brussels to St. Louis

Amazing KLM BRU to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $809 round trip and $1,559 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Aug 16 - Sun, Aug 17
BRU
Brussels
STL
St. Louis
$809 Roundtrip, found 2 days ago
$809
Roundtrip
found 2 days ago
Select KLM flight, departing Sat, Aug 16 from Brussels to St. Louis, returning Sun, Aug 17, priced at $809 found 2 days ago
Mon, Jun 30 - Mon, Sep 1
ZYR
Brussels
STL
St. Louis
$816 Roundtrip, found 2 days ago
$816
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Jun 30 from Brussels to St. Louis, returning Mon, Sep 1, priced at $816 found 2 days ago
Fri, Jun 27 - Sun, Aug 31
ZYR
Brussels
STL
St. Louis
$835 Roundtrip, found 2 days ago
$835
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Jun 27 from Brussels to St. Louis, returning Sun, Aug 31, priced at $835 found 2 days ago
Fri, Jun 27 - Sun, Aug 17
ZYR
Brussels
STL
St. Louis
$862 Roundtrip, found 2 days ago
$862
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Jun 27 from Brussels to St. Louis, returning Sun, Aug 17, priced at $862 found 2 days ago
Fri, Jun 27 - Sun, Aug 31
ZYR
Brussels
STL
St. Louis
$895 Roundtrip, found 2 days ago
$895
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Jun 27 from Brussels to St. Louis, returning Sun, Aug 31, priced at $895 found 2 days ago
Mon, Jun 30 - Mon, Sep 1
ZYR
Brussels
STL
St. Louis
$897 Roundtrip, found 2 days ago
$897
Roundtrip
found 2 days ago
Select KLM flight, departing Mon, Jun 30 from Brussels to St. Louis, returning Mon, Sep 1, priced at $897 found 2 days ago
Fri, Jun 27 - Sun, Aug 17
ZYR
Brussels
STL
St. Louis
$915 Roundtrip, found 2 days ago
$915
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Jun 27 from Brussels to St. Louis, returning Sun, Aug 17, priced at $915 found 2 days ago
Fri, Jun 27 - Sun, Aug 17
ZYR
Brussels
STL
St. Louis
$922 Roundtrip, found 2 days ago
$922
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Jun 27 from Brussels to St. Louis, returning Sun, Aug 17, priced at $922 found 2 days ago
KLM Airports
Hop on a(n) KLM flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ATLUSAHartsfield-Jackson Atlanta Intl.113
DTWUSADetroit Metropolitan Wayne County65
MSPUSAMinneapolis - St. Paul Intl.47
CANCHNBaiyun Intl.46
SLCUSASalt Lake City Intl.42
PVGCHNPudong Intl.41
AMSNLDSchiphol38
XMNCHNXiamen Intl.35
HGHCHNXiaoshan Intl.25
SEAUSASeattle - Tacoma Intl.25

Travelers ❤️ these 🏨 after their flight to St. Louis

Pear Tree Inn St. Louis Airport
Pear Tree Inn St. Louis Airport
2.5 out of 5
10810 Pear Tree Ln, St. Ann, MO
This hotel features a gym and a seasonal outdoor pool. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport ...
9.2/10 Wonderful! (2,579 reviews)
"Very convenient to St Louis airport for those who live outside the St Louis area and have an early flight out. Nice happy hour with drinks and hearty breakfast. The staff is very helpful to travelers who are anxious about getting to the airport, including international visitors. There is an airport ..."

Reviewed on May 23, 2025

Pear Tree Inn St. Louis Airport
Hilton St. Louis Airport
Hilton St. Louis Airport
3.5 out of 5
10330 Natural Bridge Rd, St. Louis, MO
This smoke-free hotel features 2 restaurants, a bar/lounge, and a 24-hour gym. Traveling on business? Take advantage of the express check-in, express check-out, ...
7.4/10 Good! (1,008 reviews)
Peaceful
"It was nice. Bathroom sink was not cleaned properly other than that it was great."

Reviewed on May 27, 2025

Hilton St. Louis Airport
Wingate by Wyndham St. Louis Airport
Wingate by Wyndham St. Louis Airport
2.5 out of 5
10820 Pear Tree Lane, St. Ann, MO
This hotel features an outdoor pool and a gym. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free airport shuttle. ...
9.2/10 Wonderful! (1,269 reviews)
"Our stay was great and very convenient!"

Reviewed on May 27, 2025

Wingate by Wyndham St. Louis Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.