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O'Fallon

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O'Fallon Flights as Low as $128

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

Frontier Airlines
Thu, Jun 12 - Sat, Jun 14
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$128 Roundtrip, found 4 days ago
$128
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jun 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jun 14, priced at $128 found 4 days ago
Spirit Airlines
Tue, Apr 15 - Tue, Apr 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$169 Roundtrip, found 3 days ago
$169
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Tue, Apr 15 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Tue, Apr 22, priced at $169 found 3 days ago
Delta
Thu, Jun 12 - Thu, Jun 12
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$192 Roundtrip, found 4 days ago
$192
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jun 12 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Thu, Jun 12, priced at $192 found 4 days ago
Delta
Wed, Apr 30 - Tue, May 13
MIA
Miami Intl.
STL
Lambert-St. Louis Intl.
$199 Roundtrip, found 6 hours ago
$199
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Apr 30 from Miami Intl. to Lambert-St. Louis Intl., returning Tue, May 13, priced at $199 found 6 hours ago
Spirit Airlines
Tue, Apr 8 - Tue, Apr 15
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$207 Roundtrip, found 3 days ago
$207
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Tue, Apr 8 from Logan Intl. to Lambert-St. Louis Intl., returning Tue, Apr 15, priced at $207 found 3 days ago
Delta
Tue, Apr 29 - Mon, May 12
PBI
Palm Beach Intl.
STL
Lambert-St. Louis Intl.
$217 Roundtrip, found 5 hours ago
$217
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Apr 29 from Palm Beach Intl. to Lambert-St. Louis Intl., returning Mon, May 12, priced at $217 found 5 hours ago
American Airlines
Mon, Jun 9 - Thu, Jun 12
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$217 Roundtrip, found 4 days ago
$217
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Jun 9 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Thu, Jun 12, priced at $217 found 4 days ago
United
Wed, Apr 16 - Sun, Apr 20
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$231 Roundtrip, found 2 days ago
$231
Roundtrip
found 2 days ago
Select United flight, departing Wed, Apr 16 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sun, Apr 20, priced at $231 found 2 days ago
Frontier Airlines
Tue, Apr 8 - Tue, Apr 15
PHL
Philadelphia Intl.
STL
Lambert-St. Louis Intl.
$240 Roundtrip, found 6 hours ago
$240
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Tue, Apr 8 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Tue, Apr 15, priced at $240 found 6 hours ago
Frontier Airlines
Fri, May 2 - Sat, May 3
SLC
Salt Lake City Intl.
STL
Lambert-St. Louis Intl.
$248 Roundtrip, found 1 day ago
$248
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, May 2 from Salt Lake City Intl. to Lambert-St. Louis Intl., returning Sat, May 3, priced at $248 found 1 day ago
Frontier Airlines
Tue, Apr 8 - Sat, Apr 12
BDL
Bradley Intl.
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 21 hours ago
$249
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Tue, Apr 8 from Bradley Intl. to Lambert-St. Louis Intl., returning Sat, Apr 12, priced at $249 found 21 hours ago
United
Tue, Jun 17 - Thu, Jun 19
PIT
Pittsburgh Intl.
STL
Lambert-St. Louis Intl.
$259 Roundtrip, found 9 hours ago
$259
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Jun 17 from Pittsburgh Intl. to Lambert-St. Louis Intl., returning Thu, Jun 19, priced at $259 found 9 hours ago
Frontier Airlines
Mon, Apr 7 - Tue, Apr 8
TTN
Mercer
STL
Lambert-St. Louis Intl.
$268 Roundtrip, found 6 days ago
$268
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Apr 7 from Mercer to Lambert-St. Louis Intl., returning Tue, Apr 8, priced at $268 found 6 days ago
Frontier Airlines
Thu, May 8 - Sun, May 11
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$274 Roundtrip, found 2 days ago
$274
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, May 8 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sun, May 11, priced at $274 found 2 days ago
Frontier Airlines
Thu, Apr 10 - Fri, Apr 11
SFO
San Francisco Intl.
STL
Lambert-St. Louis Intl.
$288 Roundtrip, found 2 days ago
$288
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Apr 10 from San Francisco Intl. to Lambert-St. Louis Intl., returning Fri, Apr 11, priced at $288 found 2 days ago
Bargain Flight
Wed, Apr 9 - Wed, Apr 16
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$331 Roundtrip, found 1 day ago
$331
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, Apr 9 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Wed, Apr 16, priced at $331 found 1 day ago

Cheap Flights to O'Fallon

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

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

Frequently Asked Questions About flights to O'Fallon

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

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 O'Fallon are in June, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to O'Fallon?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 15 to choose from for your flight to O'Fallon.

What airport is best to fly into O'Fallon?

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

How much are flights to O'Fallon?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to O'Fallon on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $128, 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 O'Fallon?

The trick to saving a stack of cash on your flight to O'Fallon? 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 $128 right now, why wait?

O'Fallon Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$128

Last Minute Hotel Deals in O'Fallon

Super 8 by Wyndham O'Fallon
Super 8 by Wyndham O'Fallon
2 out of 5
1100 Eastgate Dr, O'Fallon, IL
The price is $59 per night from Apr 3 to Apr 4
$59
includes taxes & fees
Apr 3 - Apr 4
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.6/10 Good! (1,001 reviews)
"It was an all around splendid stay service was nice and rooms where cleanwill be staying again soon"

Reviewed on Mar 21, 2025

Super 8 by Wyndham O'Fallon
Drury Inn & Suites St. Louis O'Fallon, IL
Drury Inn & Suites St. Louis O'Fallon, IL
3 out of 5
1118 Central Park Drive, O'Fallon, IL
The price is $130 per night from Apr 2 to Apr 3
$130
includes taxes & fees
Apr 2 - Apr 3
Stay at this 3-star business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.4/10 Exceptional! (1,001 reviews)
"liked employees"

Reviewed on Mar 25, 2025

Drury Inn & Suites St. Louis O'Fallon, IL
Quality Inn O'Fallon IL - St. Louis
Quality Inn O'Fallon IL - St. Louis
3 out of 5
1409 W US 50, O'Fallon, IL
The price is $69 per night from Apr 27 to Apr 28
$69
includes taxes & fees
Apr 27 - Apr 28
Stay at this 3-star business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.6/10 Good! (930 reviews)
"Very friendly staff"

Reviewed on Mar 23, 2025

Quality Inn O'Fallon IL - St. Louis
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
2.5 out of 5
136 Regency Park, O'Fallon, IL
The price is $68 per night from Mar 30 to Mar 31
$68
includes taxes & fees
Mar 30 - Mar 31
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the clean rooms in our reviews. ...
6.2/10 (1,000 reviews)
"I was very pleased with the room, it was very clean and quiet. The hallways were in serious need of some cleaning. Breakfast could have used some variety. Same thing all three days."

Reviewed on Mar 3, 2025

La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
Hilton Garden Inn St. Louis Shiloh/O'Fallon IL
Hilton Garden Inn St. Louis Shiloh/O'Fallon IL
3 out of 5
360 Regency Park Drive, O'Fallon, IL
The price is $126 per night from Apr 3 to Apr 4
$126
includes taxes & fees
Apr 3 - Apr 4
Stay at this 3-star business-friendly hotel in O'Fallon. Enjoy free WiFi, free parking, and room service. Our guests praise the helpful staff in our reviews. ...
8/10 Very Good! (839 reviews)
Happy Stay
"Great stay. Weather was crazy so a little different experience, but always felt safe. The digital door key is clutch and great I could walk right into my room, ready with no problem. My family and I were very happy with our stay!"

Reviewed on Mar 16, 2025

Hilton Garden Inn St. Louis Shiloh/O'Fallon IL
Holiday Inn Express & Suites - O'Fallon /Shiloh by IHG
Holiday Inn Express & Suites - O'Fallon /Shiloh by IHG
2.5 out of 5
3396 Green Mount Crossing Drive Shiloh, O'Fallon, IL
The price is $120 per night from Apr 20 to Apr 21
$120
includes taxes & fees
Apr 20 - Apr 21
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. ...
8.4/10 Very Good! (490 reviews)
"The place was clean and the breakfast was good."

Reviewed on Mar 23, 2025

Holiday Inn Express & Suites - O'Fallon /Shiloh by IHG
Sleep Inn O'Fallon near I-64
Sleep Inn O'Fallon near I-64
2.5 out of 5
140 Venita Dr, O'Fallon, IL
The price is $73 per night from Mar 30 to Mar 31
$73
includes taxes & fees
Mar 30 - Mar 31
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7/10 Good! (752 reviews)
"Moce quiet hotel. Nothing to complain about. Looks like management actually cares about the place. Would have been nice if the ice machine on 2nd floor was working."

Reviewed on Feb 8, 2025

Sleep Inn O'Fallon near I-64
Hyatt Regency St. Louis at The Arch
Hyatt Regency St. Louis at The Arch
4 out of 5
315 Chestnut St, St. Louis, MO
The price is $124 per night from Apr 18 to Apr 19
$124
includes taxes & fees
Apr 18 - Apr 19
Stay at this 4-star business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.4/10 Very Good! (3,578 reviews)
"Clean rooms, close to restaurants, the arch and a lot of downtown sites."

Reviewed on Mar 25, 2025

Hyatt Regency St. Louis at The Arch
See all 1,376 properties in O'Fallon
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.