Cheap Flights To Brentwood 2025

Brentwood Flights as Low as $138

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
Mon, Jul 21 - Wed, Aug 6
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$138 Roundtrip, found 1 day ago
$138
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Aug 6, priced at $138 found 1 day ago
Frontier Airlines
Wed, Jul 16 - Wed, Aug 6
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$148 Roundtrip, found 1 day ago
$148
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Jul 16 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Aug 6, priced at $148 found 1 day ago
Frontier Airlines
Sat, Jul 19 - Wed, Aug 6
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, Aug 6, priced at $158 found 1 day ago
Frontier Airlines
Mon, Jul 21 - Mon, Aug 4
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$168 Roundtrip, found 1 day ago
$168
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Aug 4, priced at $168 found 1 day ago
Frontier Airlines
Mon, Jul 21 - Sat, Aug 2
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$176 Roundtrip, found 1 day ago
$176
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jul 21 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $176 found 1 day ago
Delta
Tue, Jul 22 - Sat, Aug 2
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jul 22 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $197 found 1 day ago
Frontier Airlines
Sat, Jun 14 - Sat, Jun 21
IAD
Washington Dulles Intl.
STL
Lambert-St. Louis Intl.
$210 Roundtrip, found 1 day ago
$210
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jun 14 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $210 found 1 day ago
Frontier Airlines
Sat, Jun 14 - Tue, Jun 17
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$210 Roundtrip, found 1 day ago
$210
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jun 14 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Tue, Jun 17, priced at $210 found 1 day ago
Spirit Airlines
Thu, Jun 12 - Fri, Jun 13
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$212 Roundtrip, found 1 day ago
$212
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Jun 12 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Fri, Jun 13, priced at $212 found 1 day ago
Frontier Airlines
Fri, Oct 17 - Mon, Oct 20
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 17 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Mon, Oct 20, priced at $224 found 1 day ago
Delta
Mon, Jun 16 - Fri, Jun 20
DCA
Ronald Reagan Washington National
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 1 day ago
$249
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jun 16 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Fri, Jun 20, priced at $249 found 1 day ago
American Airlines
Tue, Jul 29 - Tue, Aug 5
BIS
Bismarck Municipal
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 4 hours ago
$249
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Jul 29 from Bismarck Municipal to Lambert-St. Louis Intl., returning Tue, Aug 5, priced at $249 found 4 hours ago
United
Tue, Aug 5 - Tue, Aug 12
BIS
Bismarck Municipal
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 4 hours ago
$249
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Aug 5 from Bismarck Municipal to Lambert-St. Louis Intl., returning Tue, Aug 12, priced at $249 found 4 hours ago
Frontier Airlines
Thu, May 29 - Sun, Jun 8
SMF
Sacramento Intl.
STL
Lambert-St. Louis Intl.
$472 Roundtrip, found 8 hours ago
$472
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, May 29 from Sacramento Intl. to Lambert-St. Louis Intl., returning Sun, Jun 8, priced at $472 found 8 hours ago
Alaska Airlines
Sun, May 25 - Fri, Jun 6
SMF
Sacramento Intl.
STL
Lambert-St. Louis Intl.
$724 Roundtrip, found 8 hours ago
$724
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sun, May 25 from Sacramento Intl. to Lambert-St. Louis Intl., returning Fri, Jun 6, priced at $724 found 8 hours ago
Hawaiian Airlines
Sun, May 25 - Tue, Jun 3
SMF
Sacramento Intl.
STL
Lambert-St. Louis Intl.
$799 Roundtrip, found 8 hours ago
$799
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Sun, May 25 from Sacramento Intl. to Lambert-St. Louis Intl., returning Tue, Jun 3, priced at $799 found 8 hours ago

Cheap Brentwood Flights

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