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Flat River

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Flat River Flights as Low as $46

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

Frontier Airlines
Mon, Sep 28 - Mon, Oct 12
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$46 Roundtrip, found 10 hours ago
$46
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Mon, Sep 28 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Oct 12, priced at $46 found 10 hours ago
Frontier Airlines
Sun, Sep 6 - Mon, Sep 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$51 Roundtrip, just found
$51
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Sep 6 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Sep 21, priced at $51 just found
Frontier Airlines
Wed, Oct 14 - Tue, Oct 20
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$98 Roundtrip, found 11 hours ago
$98
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Wed, Oct 14 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Oct 20, priced at $98 found 11 hours ago
Frontier Airlines
Sun, Sep 6 - Thu, Sep 24
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$110 Roundtrip, found 3 days ago
$110
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Sep 6 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, Sep 24, priced at $110 found 3 days ago
Delta
Sat, Aug 29 - Sat, Aug 29
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$113 Roundtrip, found 2 hours ago
$113
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Aug 29 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 29, priced at $113 found 2 hours ago
Southwest Airlines
Wed, Sep 16 - Wed, Sep 30
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 1 day ago
$119
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Sep 16 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Wed, Sep 30, priced at $119 found 1 day ago
Frontier Airlines
Wed, Sep 9 - Mon, Sep 14
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Mon, Sep 14, priced at $173 found 1 day ago
American Airlines
Sun, Sep 6 - Mon, Sep 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$178 Roundtrip, just found
$178
Roundtrip
just found
Select American Airlines flight, departing Sun, Sep 6 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Mon, Sep 21, priced at $178 just found
Bargain Flight
Tue, Aug 25 - Wed, Aug 26
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Tue, Aug 25 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Wed, Aug 26, priced at $187 found 1 day ago
American Airlines
Wed, Sep 2 - Tue, Sep 15
LAS
Harry Reid Intl.
STL
Lambert-St. Louis Intl.
$190 Roundtrip, found 3 hours ago
$190
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Sep 2 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $190 found 3 hours ago
Southwest Airlines
Mon, Nov 2 - Mon, Nov 16
DAL
Love Field
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 4 days ago
$197
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Mon, Nov 2 from Love Field to Lambert-St. Louis Intl., returning Mon, Nov 16, priced at $197 found 4 days ago
Frontier Airlines
Mon, Oct 5 - Thu, Oct 8
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$238 Roundtrip, found 15 hours ago
$238
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Mon, Oct 5 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Thu, Oct 8, priced at $238 found 15 hours ago
Frontier Airlines
Thu, Oct 29 - Mon, Nov 16
MIA
Miami Intl.
STL
Lambert-St. Louis Intl.
$238 Roundtrip, found 15 hours ago
$238
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Thu, Oct 29 from Miami Intl. to Lambert-St. Louis Intl., returning Mon, Nov 16, priced at $238 found 15 hours ago
Frontier Airlines
Wed, Oct 7 - Tue, Oct 27
TPA
Tampa Intl.
STL
Lambert-St. Louis Intl.
$246 Roundtrip, found 1 day ago
$246
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Oct 7 from Tampa Intl. to Lambert-St. Louis Intl., returning Tue, Oct 27, priced at $246 found 1 day ago
Bargain Flight
Wed, Nov 11 - Mon, Nov 16
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, Nov 11 from Logan Intl. to Lambert-St. Louis Intl., returning Mon, Nov 16, priced at $271 found 1 day ago
Alaska Airlines
Wed, Sep 2 - Tue, Sep 15
LAS
Harry Reid Intl.
STL
Lambert-St. Louis Intl.
$454 Roundtrip, found 3 hours ago
$454
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Sep 2 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $454 found 3 hours ago

Cheap Flights to Flat River

Fall in love at first flight with your vacation to Flat River 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 Flat River on Hotwire, and you’ll be up, up, and on a getaway in no time.

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

Frequently Asked Questions About flights to Flat River

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Flat River 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 Flat River?

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 Flat River are in September, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Flat River?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 14 to choose from for your flight to Flat River.

What airport is best to fly into Flat River?

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

How much are flights to Flat River?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Flat River on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $46, 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 Flat River?

The trick to saving a stack of cash on your flight to Flat River? 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 $46 right now, why wait?

Flat River Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$46

Last Minute Hotel Deals in Flat River

Baymont Inn and Suites by Wyndham Farmington, MO

Baymont Inn and Suites by Wyndham Farmington, MO

2.5 out of 5
1625 W Columbia St Farmington MO
Book a stay at this business-friendly hotel in Farmington. Enjoy free breakfast, free parking, and an outdoor pool. Our guests praise the helpful staff and the ...
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Baymont Inn and Suites by Wyndham Farmington, MO
Postcard Cabins St Francois, Outdoor Collection by Marriott Bonvoy

Postcard Cabins St Francois, Outdoor Collection by Marriott Bonvoy

2 out of 5
7555 State Hwy Y French Village MO
Stay at this cabin in French Village. Enjoy free parking, patios, and climate control.
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Postcard Cabins St Francois, Outdoor Collection by Marriott Bonvoy
Crown Pointe Lodge, BW Signature Collection

Crown Pointe Lodge, BW Signature Collection

2.5 out of 5
4245 Hunt Rd Farmington MO
Book a stay at this golf hotel in Farmington. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular ...
9/10 Wonderful! (660 reviews)
"Room was clean, and I've stayed here 3 times in 6 weeks. Only and I repeat only thing was In 219 had a chlorine smell from pool area downstairs other than that very nice and will stay again."

Reviewed on Aug 3, 2026

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Crown Pointe Lodge, BW Signature Collection
Super 8 by Wyndham Potosi

Super 8 by Wyndham Potosi

2 out of 5
820 E High St Potosi MO
Book a stay at this business-friendly motel in Potosi. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms ...
7.2/10 Good! (412 reviews)
"Very nice clean basic hotel. Would recommend anyone to stay there."

Reviewed on Aug 3, 2026

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Super 8 by Wyndham Potosi
Super 8 by Wyndham Farmington

Super 8 by Wyndham Farmington

2 out of 5
930 Valley Creek Dr Farmington MO
Book a stay at this business-friendly motel in Farmington. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
8/10 Very Good! (665 reviews)
"Bruno was the best. The owners dog. I had been missing my dog and Bruno gave me affection that helped me deal with missing my dog. The shampoo and body wash is wonderful Terra Green. They also have lotion. Staff is kind and patient. The friendliness of staff and others staying was much needed. My ..."

Reviewed on Aug 3, 2026

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Super 8 by Wyndham Farmington
Hampton Inn Farmington

Hampton Inn Farmington

2.5 out of 5
850 Valley Creek Dr Farmington MO
Stay at this hotel in Farmington. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions ...
8.8/10 Excellent! (572 reviews)
"Extremely hot out and the ac struggled to keep up Pool was greenish looking not clear and sparkling as you would expect"

Reviewed on Jul 31, 2026

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Hampton Inn Farmington
Holiday Inn Express & Suites Farmington by IHG

Holiday Inn Express & Suites Farmington by IHG

2.5 out of 5
820 Market St Farmington MO
Book a stay at this business-friendly hotel in Farmington. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
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Holiday Inn Express & Suites Farmington by IHG
Super 8 by Wyndham Bonne Terre

Super 8 by Wyndham Bonne Terre

2 out of 5
8 Northwood Drive Highway 67 A Bonne Terre MO
Stay at this motel in Bonne Terre. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions ...
7/10 Good! (569 reviews)
"Clean rooms staff was friendly and welcoming"

Reviewed on Jul 23, 2026

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Super 8 by Wyndham Bonne Terre
See all 121 properties in Flat River
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.