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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
Wed, Aug 12 - Sun, Aug 23
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$56 Roundtrip, found 11 hours ago
$56
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sun, Aug 23, priced at $56 found 11 hours ago
Frontier Airlines
Thu, Jun 11 - Sat, Jun 13
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$58 Roundtrip, found 3 hours ago
$58
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Jun 11 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jun 13, priced at $58 found 3 hours ago
Delta
Wed, Aug 12 - Sun, Aug 23
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$87 Roundtrip, found 11 hours ago
$87
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Aug 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sun, Aug 23, priced at $87 found 11 hours ago
Frontier Airlines
Thu, Jun 11 - Sat, Jun 13
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$89 Roundtrip, found 3 hours ago
$89
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Thu, Jun 11 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jun 13, priced at $89 found 3 hours ago
Delta
Tue, Jun 9 - Tue, Jun 9
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$112 Roundtrip, found 1 day ago
$112
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jun 9 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Jun 9, priced at $112 found 1 day ago
American Airlines
Wed, Jun 3 - Wed, Jun 3
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$120 Roundtrip, found 11 hours ago
$120
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Jun 3 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Jun 3, priced at $120 found 11 hours ago
United
Tue, Jun 30 - Wed, Jul 15
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$130 Roundtrip, found 3 hours ago
$130
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jun 30 from O'Hare Intl. to Lambert-St. Louis Intl., returning Wed, Jul 15, priced at $130 found 3 hours ago
Frontier Airlines
Tue, Jun 16 - Tue, Jun 30
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$136 Roundtrip, found 5 hours ago
$136
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Jun 16 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Tue, Jun 30, priced at $136 found 5 hours ago
Frontier Airlines
Wed, Jul 1 - Tue, Jul 14
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$178 Roundtrip, found 14 hours ago
$178
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Wed, Jul 1 from Orlando Intl. to Lambert-St. Louis Intl., returning Tue, Jul 14, priced at $178 found 14 hours ago
Frontier Airlines
Mon, Jun 1 - Wed, Jun 3
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$209 Roundtrip, found 4 days ago
$209
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Mon, Jun 1 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Wed, Jun 3, priced at $209 found 4 days ago
Frontier Airlines
Tue, Jun 16 - Wed, Jul 1
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$209 Roundtrip, found 11 hours ago
$209
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Tue, Jun 16 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Wed, Jul 1, priced at $209 found 11 hours ago
Frontier Airlines
Thu, Aug 13 - Tue, Aug 25
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$214 Roundtrip, found 9 hours ago
$214
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Thu, Aug 13 from Logan Intl. to Lambert-St. Louis Intl., returning Tue, Aug 25, priced at $214 found 9 hours ago
Frontier Airlines
Fri, Aug 7 - Tue, Aug 11
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$240 Roundtrip, found 9 hours ago
$240
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Fri, Aug 7 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Tue, Aug 11, priced at $240 found 9 hours ago
Frontier Airlines
Tue, Jun 16 - Tue, Jun 30
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$253 Roundtrip, found 3 days ago
$253
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, Jun 16 from LaGuardia to Lambert-St. Louis Intl., returning Tue, Jun 30, priced at $253 found 3 days ago
Delta
Tue, Jun 16 - Tue, Jun 30
DAL
Love Field
STL
Lambert-St. Louis Intl.
$285 Roundtrip, found 5 hours ago
$285
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Jun 16 from Love Field to Lambert-St. Louis Intl., returning Tue, Jun 30, priced at $285 found 5 hours ago
Alaska Airlines
Thu, Jun 25 - Sun, Jun 28
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$1,345 Roundtrip, found 5 days ago
$1,345
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Jun 25 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Sun, Jun 28, priced at $1,345 found 5 days 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 August, 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 16 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! (1,013 reviews)
Great Job!

Reviewed on May 8, 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! (65 reviews)
Wonderful location and attentive staff. Perfect getaway.

Reviewed on May 5, 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! (619 reviews)
Clean and nice staff

Reviewed on May 6, 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! (641 reviews)
This was one of those hotels that after one night, all of our belongings felt damp from being in the room. The room was decently clean. The breakfast was bare minimum. But it was cheap and we only needed a place to sleep while driving a long distance. Would stay again if I had to. Wouldn’t necessarily ...

Reviewed on May 9, 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! (551 reviews)
My mattress was broke and they didn't fix it. I asked for a replacement or to be switched to a diffrent room. They said they didn't have one available. I then got back to my room the second night and they texted me at 11:48 and said they could swith rooms after I was already asleep in the floor for ...

Reviewed on May 1, 2026

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Hampton Inn Farmington
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 ...
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Quality Inn 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 ...
7/10 Good! (395 reviews)
Been remodeled it looks like. Very nice room and quiet unlike some hotels. We enjoyed it. Thanks for having us.

Reviewed on May 1, 2026

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Super 8 by Wyndham Potosi
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! (417 reviews)
Older woman at front desk was not polite. The toilet did not work in the room and was given a plunger. Had to request a new room. Only stayed for one night and glad of that

Reviewed on Apr 28, 2026

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Holiday Inn Express & Suites Farmington by IHG
See all 117 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.