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Flat River

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Flat River Flights as Low as $56

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

Frontier Airlines
Tue, Sep 15 - Tue, Sep 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 6 hours ago
$56
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Tue, Sep 15 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $56 found 6 hours ago
Delta
Tue, Sep 15 - Tue, Sep 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$112 Roundtrip, found 6 hours ago
$112
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Sep 15 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $112 found 6 hours ago
Frontier Airlines
Thu, Oct 1 - Mon, Oct 5
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$130 Roundtrip, found 4 hours ago
$130
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Oct 1 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Oct 5, priced at $130 found 4 hours ago
American Airlines
Tue, Sep 15 - Tue, Sep 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, found 6 hours ago
$159
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Sep 15 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $159 found 6 hours ago
Bargain Flight
Wed, Jul 29 - Tue, Aug 11
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$195 Roundtrip, found 6 days ago
$195
Roundtrip
found 6 days ago
Select Bargain Flight flight, departing Wed, Jul 29 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Tue, Aug 11, priced at $195 found 6 days ago
Frontier Airlines
Tue, Nov 10 - Tue, Nov 17
LAS
Harry Reid Intl.
STL
Lambert-St. Louis Intl.
$206 Roundtrip, found 1 day ago
$206
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Nov 10 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Tue, Nov 17, priced at $206 found 1 day ago
Delta
Tue, Oct 13 - Tue, Oct 20
CLT
Charlotte-Douglas Intl.
STL
Lambert-St. Louis Intl.
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 13 from Charlotte-Douglas Intl. to Lambert-St. Louis Intl., returning Tue, Oct 20, priced at $209 found 1 day ago
Frontier Airlines
Tue, Sep 1 - Tue, Sep 15
TPA
Tampa Intl.
STL
Lambert-St. Louis Intl.
$215 Roundtrip, found 1 day ago
$215
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Sep 1 from Tampa Intl. to Lambert-St. Louis Intl., returning Tue, Sep 15, priced at $215 found 1 day ago
Bargain Flight
Tue, Aug 11 - Tue, Aug 25
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$259 Roundtrip, found 16 hours ago
$259
Roundtrip
found 16 hours ago
Select Bargain Flight flight, departing Tue, Aug 11 from Logan Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $259 found 16 hours ago
Alaska Airlines
Tue, Sep 1 - Tue, Sep 8
LAS
Harry Reid Intl.
STL
Lambert-St. Louis Intl.
$307 Roundtrip, found 1 day ago
$307
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Sep 1 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Tue, Sep 8, priced at $307 found 1 day ago
Bargain Flight
Wed, Jul 22 - Sat, Jul 25
ALB
Albany Intl.
STL
Lambert-St. Louis Intl.
$317 Roundtrip, found 23 hours ago
$317
Roundtrip
found 23 hours ago
Select Bargain Flight flight, departing Wed, Jul 22 from Albany Intl. to Lambert-St. Louis Intl., returning Sat, Jul 25, priced at $317 found 23 hours ago
Delta
Tue, Nov 24 - Tue, Dec 1
YUL
Pierre Elliott Trudeau Intl.
STL
Lambert-St. Louis Intl.
$481 Roundtrip, found 1 day ago
$481
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 24 from Pierre Elliott Trudeau Intl. to Lambert-St. Louis Intl., returning Tue, Dec 1, priced at $481 found 1 day ago
Air Canada
Tue, Nov 24 - Tue, Dec 1
YUL
Pierre Elliott Trudeau Intl.
STL
Lambert-St. Louis Intl.
$502 Roundtrip, found 1 day ago
$502
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Nov 24 from Pierre Elliott Trudeau Intl. to Lambert-St. Louis Intl., returning Tue, Dec 1, priced at $502 found 1 day ago
WestJet
Tue, Nov 24 - Tue, Dec 1
YUL
Pierre Elliott Trudeau Intl.
STL
Lambert-St. Louis Intl.
$631 Roundtrip, found 1 day ago
$631
Roundtrip
found 1 day ago
Select WestJet flight, departing Tue, Nov 24 from Pierre Elliott Trudeau Intl. to Lambert-St. Louis Intl., returning Tue, Dec 1, priced at $631 found 1 day ago
Delta
Thu, Jul 30 - Mon, Aug 17
SCL
Arturo Merino Benitez
STL
Lambert-St. Louis Intl.
$875 Roundtrip, found 1 day ago
$875
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jul 30 from Arturo Merino Benitez to Lambert-St. Louis Intl., returning Mon, Aug 17, priced at $875 found 1 day ago
LATAM Airlines Group
Tue, Jul 14 - Tue, Jul 21
SCL
Arturo Merino Benitez
STL
Lambert-St. Louis Intl.
$906 Roundtrip, found 1 day ago
$906
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Tue, Jul 14 from Arturo Merino Benitez to Lambert-St. Louis Intl., returning Tue, Jul 21, priced at $906 found 1 day 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 13 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 $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 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 $56 right now, why wait?

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

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 ...
8/10 Very Good! (1,019 reviews)
"I got what I was expecting, given the price of about $100 per night, knowing other hotels in the area were closer to $190. The staff was nice. The beds were comfortable. The window unit AC did just fine. The bathroom wasn’t as clean as it could’ve been. The breakfast was fine."

Reviewed on Jul 10, 2026

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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.
9.8/10 Exceptional! (82 reviews)
"Me and my wife loved it !! Definitely going back !!"

Reviewed on Jul 6, 2026

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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! (646 reviews)
"It was a beautiful room and definitely wanted to stay longer"

Reviewed on Jul 7, 2026

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Crown Pointe Lodge, BW Signature Collection
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! (661 reviews)
"Appreciated the outdoor pool after a hot day of hiking and outdoor activity. Also really appreciated that front desk staff immediately put me in a different but identical room after I walked into the first room, tried to close the shade and the cord totally broke. I was very comfortable, had all ..."

Reviewed on Jun 25, 2026

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Super 8 by Wyndham Farmington
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! (405 reviews)
"The staff is always very friendly and the rooms are very clean. This is my third time staying there and it’s always been a positive stay."

Reviewed on Jul 9, 2026

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Super 8 by Wyndham Potosi
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! (566 reviews)
"Everything was fine. Hot water was off but informed us about that on check in. Gave us options in the area if we wanted to cancel."

Reviewed on Jul 6, 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. ...
8.6/10 Excellent! (424 reviews)
"Everything was great and offer no negative feedback"

Reviewed on Jul 5, 2026

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Holiday Inn Express & Suites Farmington by IHG
Quality Inn Farmington

Quality Inn Farmington

2.5 out of 5
1400 W Liberty 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 and the clean ...
7.6/10 Good! (903 reviews)
"Rate on room was not what you quoted me we paid 8.00 more. Was not happy at all."

Reviewed on Jul 8, 2026

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Quality Inn Farmington
See all 120 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.