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O'Fallon

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O'Fallon Flights as Low as $132

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

Frontier Airlines
Sat, Jun 14 - Sat, Jun 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$132 Roundtrip, found 4 days ago
$132
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jun 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $132 found 4 days ago
Frontier Airlines
Thu, Jun 19 - Sat, Jun 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$136 Roundtrip, found 6 days ago
$136
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Jun 19 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $136 found 6 days ago
Frontier Airlines
Sat, Jun 14 - Sat, Jun 21
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$149 Roundtrip, found 4 days ago
$149
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jun 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Jun 21, priced at $149 found 4 days ago
Spirit Airlines
Mon, Jun 16 - Tue, Jul 15
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$155 Roundtrip, found 1 day ago
$155
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Mon, Jun 16 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Tue, Jul 15, priced at $155 found 1 day ago
Frontier Airlines
Tue, May 13 - Thu, May 15
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$164 Roundtrip, found 2 days ago
$164
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, May 13 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Thu, May 15, priced at $164 found 2 days ago
American Airlines
Thu, Jun 19 - Mon, Jun 23
FLL
Fort Lauderdale - Hollywood Intl.
STL
Lambert-St. Louis Intl.
$184 Roundtrip, found 4 days ago
$184
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Jun 19 from Fort Lauderdale - Hollywood Intl. to Lambert-St. Louis Intl., returning Mon, Jun 23, priced at $184 found 4 days ago
Frontier Airlines
Tue, May 20 - Wed, May 21
PHL
Philadelphia Intl.
STL
Lambert-St. Louis Intl.
$191 Roundtrip, found 4 days ago
$191
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Tue, May 20 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Wed, May 21, priced at $191 found 4 days ago
Delta
Mon, Sep 22 - Mon, Sep 29
DCA
Ronald Reagan Washington National
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 21 hours ago
$197
Roundtrip
found 21 hours ago
Select Delta flight, departing Mon, Sep 22 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Sep 29, priced at $197 found 21 hours ago
Delta
Tue, Oct 7 - Tue, Oct 7
SAT
San Antonio Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 1 day ago
$197
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 7 from San Antonio Intl. to Lambert-St. Louis Intl., returning Tue, Oct 7, priced at $197 found 1 day ago
Bargain Flight
Sat, May 24 - Tue, May 27
DCA
Ronald Reagan Washington National
STL
Lambert-St. Louis Intl.
$204 Roundtrip, found 6 days ago
$204
Roundtrip
found 6 days ago
Select Bargain Flight flight, departing Sat, May 24 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Tue, May 27, priced at $204 found 6 days ago
American Airlines
Wed, Jul 16 - Wed, Jul 23
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Jul 16 from Logan Intl. to Lambert-St. Louis Intl., returning Wed, Jul 23, priced at $223 found 1 day ago
American Airlines
Sun, Jul 27 - Sat, Aug 2
CHO
Charlottesville-Albemarle
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 8 hours ago
$249
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sun, Jul 27 from Charlottesville-Albemarle to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $249 found 8 hours ago
Delta
Wed, May 14 - Sat, May 24
CAE
Columbia Metropolitan
STL
Lambert-St. Louis Intl.
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, May 14 from Columbia Metropolitan to Lambert-St. Louis Intl., returning Sat, May 24, priced at $253 found 2 days ago
American Airlines
Sun, Jun 15 - Sun, Jun 29
ABE
Lehigh Valley Intl.
STL
Lambert-St. Louis Intl.
$273 Roundtrip, found 6 days ago
$273
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Jun 15 from Lehigh Valley Intl. to Lambert-St. Louis Intl., returning Sun, Jun 29, priced at $273 found 6 days ago
United
Sat, Jun 28 - Sat, Jul 5
BIL
Logan Intl.
STL
Lambert-St. Louis Intl.
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jun 28 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Jul 5, priced at $318 found 1 day ago
Alaska Airlines
Sat, Jun 28 - Sat, Jul 5
BIL
Logan Intl.
STL
Lambert-St. Louis Intl.
$703 Roundtrip, found 1 day ago
$703
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jun 28 from Logan Intl. to Lambert-St. Louis Intl., returning Sat, Jul 5, priced at $703 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 $132, 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 $132 right now, why wait?

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
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 very close to where I was visiting family."

Reviewed on May 6, 2025

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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
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! (1,005 reviews)
"Good place, we stay only one night"

Reviewed on May 4, 2025

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Drury Inn & Suites St. Louis O'Fallon, IL
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
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! (850 reviews)
"Very accommodating"

Reviewed on May 2, 2025

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Hilton Garden Inn St. Louis Shiloh/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
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! (948 reviews)
"If you're looking for a great hotel to spend a few nights on for business this is a perfect place. In the middle of O'Fallon and close to the interstate."

Reviewed on May 1, 2025

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Quality Inn O'Fallon IL - St. Louis
Hampton Inn O'Fallon
Hampton Inn O'Fallon
2.5 out of 5
430 Regency Park, O'Fallon, IL
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 ...
9.2/10 Wonderful! (747 reviews)
"Hotel was conveniently located near restaurants. Only negatives were noisy guests running down hallways and bed was uncomfortable."

Reviewed on Apr 27, 2025

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Hampton Inn O'Fallon
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
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. ...
"Good breakfast, good size rooms for family of 5. Bathroom needs a little work"

Reviewed on Apr 19, 2025

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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
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! (766 reviews)
"Jacuzzi tub did not work"

Reviewed on Apr 26, 2025

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Sleep Inn O'Fallon near I-64
Baymont by Wyndham O'Fallon St. Louis Area
Baymont by Wyndham O'Fallon St. Louis Area
2.5 out of 5
1320 Park Plaza Drive, O'Fallon, IL
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Popular attractions O'Fallon Family Sports Park and ...
5.2/10 (362 reviews)
"Clean, comfortable and quiet"

Reviewed on Dec 30, 2024

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Baymont by Wyndham O'Fallon St. Louis Area
See all 1,331 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.