Search Cheap Flights to
Brentwood

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

Brentwood Flights as Low as $56

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Frontier Airlines
Wed, Aug 12 - Tue, Aug 25
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 1 day ago
$56
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $56 found 1 day ago
Frontier Airlines
Wed, Jun 10 - Wed, Jun 17
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$68 Roundtrip, found 1 day ago
$68
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Jun 10 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Jun 17, priced at $68 found 1 day ago
Frontier Airlines
Mon, Jul 6 - Wed, Jul 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$71 Roundtrip, found 1 day ago
$71
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Jul 6 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Jul 22, priced at $71 found 1 day ago
Delta
Wed, Jul 29 - Wed, Aug 12
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 4 hours ago
$117
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Jul 29 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Aug 12, priced at $117 found 4 hours ago
Frontier Airlines
Sat, Jun 20 - Mon, Jun 29
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$121 Roundtrip, found 4 days ago
$121
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jun 20 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Mon, Jun 29, priced at $121 found 4 days ago
Frontier Airlines
Thu, Jul 9 - Mon, Jul 13
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$142 Roundtrip, found 6 days ago
$142
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Jul 9 from Orlando Intl. to Lambert-St. Louis Intl., returning Mon, Jul 13, priced at $142 found 6 days ago
Delta
Tue, Jun 9 - Tue, Jun 16
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 4 days ago
$160
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jun 9 from O'Hare Intl. to Lambert-St. Louis Intl., returning Tue, Jun 16, priced at $160 found 4 days ago
United
Thu, Oct 8 - Mon, Oct 12
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$191 Roundtrip, found 6 days ago
$191
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 8 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Oct 12, priced at $191 found 6 days ago
American Airlines
Wed, Jul 29 - Wed, Aug 12
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 4 hours ago
$197
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Jul 29 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Aug 12, priced at $197 found 4 hours ago
Bargain Flight
Sat, Oct 31 - Wed, Nov 4
ORF
Norfolk Intl.
STL
Lambert-St. Louis Intl.
$220 Roundtrip, found 1 hour ago
$220
Roundtrip
found 1 hour ago
Select Bargain Flight flight, departing Sat, Oct 31 from Norfolk Intl. to Lambert-St. Louis Intl., returning Wed, Nov 4, priced at $220 found 1 hour ago
Frontier Airlines
Wed, Jul 8 - Tue, Jul 28
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$246 Roundtrip, found 5 days ago
$246
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Jul 8 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Tue, Jul 28, priced at $246 found 5 days ago
Bargain Flight
Fri, Jul 24 - Mon, Jul 27
JAX
Jacksonville Intl.
STL
Lambert-St. Louis Intl.
$266 Roundtrip, found 4 hours ago
$266
Roundtrip
found 4 hours ago
Select Bargain Flight flight, departing Fri, Jul 24 from Jacksonville Intl. to Lambert-St. Louis Intl., returning Mon, Jul 27, priced at $266 found 4 hours ago
Bargain Flight
Wed, May 27 - Tue, Jun 16
MSY
Louis Armstrong New Orleans Intl.
STL
Lambert-St. Louis Intl.
$280 Roundtrip, found 4 days ago
$280
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Wed, May 27 from Louis Armstrong New Orleans Intl. to Lambert-St. Louis Intl., returning Tue, Jun 16, priced at $280 found 4 days ago
Delta
Wed, Oct 14 - Wed, Oct 14
DAL
Love Field
STL
Lambert-St. Louis Intl.
$285 Roundtrip, found 4 hours ago
$285
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Oct 14 from Love Field to Lambert-St. Louis Intl., returning Wed, Oct 14, priced at $285 found 4 hours ago
Frontier Airlines
Mon, May 25 - Thu, Jun 11
BDL
Bradley Intl.
STL
Lambert-St. Louis Intl.
$356 Roundtrip, found 1 day ago
$356
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, May 25 from Bradley Intl. to Lambert-St. Louis Intl., returning Thu, Jun 11, priced at $356 found 1 day ago
Alaska Airlines
Tue, Jun 9 - Tue, Jun 16
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$589 Roundtrip, found 23 hours ago
$589
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Tue, Jun 9 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Tue, Jun 16, priced at $589 found 23 hours ago

Cheap Flights to Brentwood

Fall in love at first flight with your vacation to Brentwood by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Brentwood on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Brentwood, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Brentwood

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Brentwood with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the STL airport.

What is the cheapest month to fly to Brentwood?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Brentwood are in August, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Brentwood?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 13 to choose from for your flight to Brentwood.

What airport is best to fly into Brentwood?

When you’re planning your trip to Brentwood, convenience is the name of the game. Luckily, Brentwood Lambert-St. Louis Intl. Airport is nearby so you can deplane and get going on checking off everything on your Brentwood must-do list.

How much are flights to Brentwood?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Brentwood on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $56, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Brentwood?

The trick to saving a stack of cash on your flight to Brentwood? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $56 right now, why wait?

Brentwood Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$56

Last Minute Hotel Deals in Brentwood

Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.6/10 Excellent! (4,063 reviews)
"Short walk to Busch Stadium. Definitely recommend."

Reviewed on May 22, 2026

Get rates
Hyatt Regency St. Louis at The Arch
Hollywood Casino & Hotel St. Louis

Hollywood Casino & Hotel St. Louis

3.5 out of 5
777 Casino Center Drive Maryland Heights MO
Book a stay at this business-friendly hotel in Maryland Heights. Enjoy free parking, 7 restaurants, and a casino. Our guests praise the helpful staff and the ...
8.4/10 Very Good! (2,208 reviews)
"It’s just okay, weekdays breakfast not good from one and only coffee shop, pastries taste like yesterday."

Reviewed on May 22, 2026

Get rates
Hollywood Casino & Hotel St. Louis
Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

3 out of 5
1088 South Highway Drive Fenton MO
Book a stay at this business-friendly hotel in Fenton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
7.8/10 Good! (1,291 reviews)
"Paid for an upgraded suite only to be told at check in - the room had never been cleaned and we were downgraded to a small room with only 2 beds for 3 adults. At first, we were offered a room with one king bed, so at least grateful for the second option. We were still charged the upgraded price and ..."

Reviewed on May 21, 2026

Get rates
Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
Clayton Plaza Hotel & Extended Stay

Clayton Plaza Hotel & Extended Stay

3.5 out of 5
7750 Carondelet Avenue St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast and ...
9/10 Wonderful! (3,198 reviews)
"Everything was great!"

Reviewed on May 22, 2026

Get rates
Clayton Plaza Hotel & Extended Stay
Pear Tree Inn St. Louis Near Union Station

Pear Tree Inn St. Louis Near Union Station

3 out of 5
2211 Market Street St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the restaurant ...
8.8/10 Excellent! (1,964 reviews)
"Nice hotel. Close to many things."

Reviewed on May 22, 2026

Get rates
Pear Tree Inn St. Louis Near Union Station
Renaissance St. Louis Airport Hotel

Renaissance St. Louis Airport Hotel

4 out of 5
9801 Natural Bridge Road St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy an outdoor pool, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8.4/10 Very Good! (1,081 reviews)
"Xxx Essex d z"

Reviewed on May 22, 2026

Get rates
Renaissance St. Louis Airport Hotel
Drury Inn & Suites St. Louis Union Station

Drury Inn & Suites St. Louis Union Station

3 out of 5
201 S 20th St St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the helpful ...
9.4/10 Exceptional! (1,379 reviews)
"We brought the grandkids there.. we had an excellent experience, right next door to the Union Station. Everything at the Union Station is very expensive that was the only downfall.."

Reviewed on May 22, 2026

Get rates
Drury Inn & Suites St. Louis Union Station
21C Museum Hotel St Louis

21C Museum Hotel St Louis

4.5 out of 5
1528 Locust street St. Louis MO
Book a stay at this luxury hotel in St. Louis. Enjoy free WiFi, breakfast (surcharge), and room service. Our guests praise the pool and the restaurant in our ...
9/10 Wonderful! (1,850 reviews)
"The rooms were clean and common areas well maintained. Breakfast was the best and the staff were all helpful and very kind to all guests. It was the best stay I've had in a hotel."

Reviewed on May 21, 2026

Get rates
21C Museum Hotel St Louis
See all 1,884 properties in Brentwood
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.