Cheap Flights To Brussels 2026

Brussels Flights as Low as $76

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Delta
Sat, Oct 3 - Tue, Oct 20
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$117
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Oct 3 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Oct 20, priced at $117 found 5 days ago
Southwest Airlines
Frontier Airlines
Frontier Airlines
United
Sat, Oct 31 - Sat, Nov 7
SJC
Norman Y. Mineta San Jose Intl.
STL
Lambert-St. Louis Intl.
$227
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 31 from Norman Y. Mineta San Jose Intl. to Lambert-St. Louis Intl., returning Sat, Nov 7, priced at $227 found 1 day ago
Alaska Airlines
Frontier Airlines
Southwest Airlines
American Airlines
Delta
Tue, Nov 3 - Sat, Nov 14
COS
Colorado Springs
STL
Lambert-St. Louis Intl.
$291
Roundtrip
found 17 hours ago
Select Delta flight, departing Tue, Nov 3 from Colorado Springs to Lambert-St. Louis Intl., returning Sat, Nov 14, priced at $291 found 17 hours ago
Southwest Airlines
United
Sun, Sep 20 - Fri, Oct 2
CRP
Corpus Christi Intl.
STL
Lambert-St. Louis Intl.
$723
Roundtrip
found 1 day ago
Select United flight, departing Sun, Sep 20 from Corpus Christi Intl. to Lambert-St. Louis Intl., returning Fri, Oct 2, priced at $723 found 1 day ago
United
Fri, Sep 25 - Mon, Oct 5
FAT
Fresno Yosemite Intl.
STL
Lambert-St. Louis Intl.
$725
Roundtrip
found 1 day ago
Select United flight, departing Fri, Sep 25 from Fresno Yosemite Intl. to Lambert-St. Louis Intl., returning Mon, Oct 5, priced at $725 found 1 day ago

Cheap Brussels Flights

For seniors interested in answering the call of adventure, use Expedia and AARP to book your plane tickets. Browse AARP Travel Center flights in Brussels so you can stretch your travel budget further when you save big on your airfare. These available Brussels best deals on flights make planning your trip more affordable and hassle-free.

See the vast selection of cheap flights for seniors in Brussels for yourself by simply entering your travel dates and destinations. This time and money-saving search engine will then produce a variety of travel times, airline carriers, and senior flights in Brussels, so you can find the flight best suiting your travel plans. What’s more, on top of these deals, AARP members are exempt from paying any additional booking fees associated with Brussels senior flights. Snatch these discount airline tickets and embark on your adventure today.