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O'Fallon

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O'Fallon Flights as Low as $70

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

Spirit Airlines
Fri, Jul 11 - Sun, Jul 13
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$70 Roundtrip, found 1 day ago
$70
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, Jul 11 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Sun, Jul 13, priced at $70 found 1 day ago
Spirit Airlines
Thu, Jul 10 - Thu, Jul 17
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$71 Roundtrip, found 1 day ago
$71
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Jul 10 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Thu, Jul 17, priced at $71 found 1 day ago
Delta
Fri, Jul 4 - Fri, Jul 4
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$123 Roundtrip, found 1 day ago
$123
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jul 4 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Fri, Jul 4, priced at $123 found 1 day ago
Delta
Tue, Aug 12 - Tue, Aug 19
MSP
Minneapolis - St. Paul Intl.
STL
Lambert-St. Louis Intl.
$137 Roundtrip, found 1 day ago
$137
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Aug 12 from Minneapolis - St. Paul Intl. to Lambert-St. Louis Intl., returning Tue, Aug 19, priced at $137 found 1 day ago
Frontier Airlines
Mon, Oct 6 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$149 Roundtrip, found 20 hours ago
$149
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Mon, Oct 6 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $149 found 20 hours ago
United
Mon, Oct 6 - Sat, Oct 11
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$157 Roundtrip, found 20 hours ago
$157
Roundtrip
found 20 hours ago
Select United flight, departing Mon, Oct 6 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 11, priced at $157 found 20 hours ago
American Airlines
Mon, Oct 6 - Tue, Oct 14
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$177 Roundtrip, found 1 day ago
$177
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 6 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Oct 14, priced at $177 found 1 day ago
Spirit Airlines
Thu, Aug 7 - Thu, Aug 14
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$187 Roundtrip, found 22 hours ago
$187
Roundtrip
found 22 hours ago
Select Spirit Airlines flight, departing Thu, Aug 7 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Thu, Aug 14, priced at $187 found 22 hours ago
Delta
Tue, Aug 26 - Tue, Aug 26
DAL
Love Field
STL
Lambert-St. Louis Intl.
$191 Roundtrip, found 22 hours ago
$191
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Aug 26 from Love Field to Lambert-St. Louis Intl., returning Tue, Aug 26, priced at $191 found 22 hours ago
Spirit Airlines
Thu, Aug 7 - Fri, Aug 8
BDL
Bradley Intl.
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 17 hours ago
$197
Roundtrip
found 17 hours ago
Select Spirit Airlines flight, departing Thu, Aug 7 from Bradley Intl. to Lambert-St. Louis Intl., returning Fri, Aug 8, priced at $197 found 17 hours ago
Frontier Airlines
Tue, Oct 21 - Mon, Oct 27
ONT
Los Angeles - Ontario Intl.
STL
Lambert-St. Louis Intl.
$228 Roundtrip, found 5 days ago
$228
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, Oct 21 from Los Angeles - Ontario Intl. to Lambert-St. Louis Intl., returning Mon, Oct 27, priced at $228 found 5 days ago
Bargain Flight
Wed, Jul 9 - Mon, Jul 28
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$263 Roundtrip, found 1 day ago
$263
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, Jul 9 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Mon, Jul 28, priced at $263 found 1 day ago
United
Tue, Sep 30 - Wed, Oct 1
MCI
Kansas City Intl.
STL
Lambert-St. Louis Intl.
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 30 from Kansas City Intl. to Lambert-St. Louis Intl., returning Wed, Oct 1, priced at $295 found 1 day ago
Bargain Flight
Tue, Oct 21 - Sat, Oct 25
ONT
Los Angeles - Ontario Intl.
STL
Lambert-St. Louis Intl.
$303 Roundtrip, found 2 days ago
$303
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Tue, Oct 21 from Los Angeles - Ontario Intl. to Lambert-St. Louis Intl., returning Sat, Oct 25, priced at $303 found 2 days ago
Delta
Tue, Jul 8 - Tue, Jul 15
BUR
Hollywood Burbank
STL
Lambert-St. Louis Intl.
$425 Roundtrip, found 1 day ago
$425
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jul 8 from Hollywood Burbank to Lambert-St. Louis Intl., returning Tue, Jul 15, priced at $425 found 1 day ago
Hawaiian Airlines
Wed, Jul 9 - Fri, Jul 11
BUR
Hollywood Burbank
STL
Lambert-St. Louis Intl.
$449 Roundtrip, found 1 day ago
$449
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Jul 9 from Hollywood Burbank to Lambert-St. Louis Intl., returning Fri, Jul 11, priced at $449 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 July, 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 14 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 $70, 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 $70 right now, why wait?

O'Fallon Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$70

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! (1,000 reviews)
"The property was clean and the beds were very comfortable. The rooms were clean. The most unexpected and challenging part was that there is no elevator and we were on the second floor. We weren’t made aware of the lack of an elevator as we were loading up the luggage cart. We had an early departure ..."

Reviewed on Jun 9, 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! (1,001 reviews)
"It allowed animals"

Reviewed on Jun 10, 2025

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Drury Inn & Suites St. Louis O'Fallon, IL
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
3 out of 5
136 Regency Park, 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 clean rooms in our reviews. ...
6.2/10 (1,000 reviews)
"Good"

Reviewed on Jun 5, 2025

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La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
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! (979 reviews)
"Was a little disappointed that I got a suite and that means they shoved a couch in the room. Other than that it was fine."

Reviewed on Jun 13, 2025

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Quality Inn 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
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! (879 reviews)
"Rooms was very spacious, breakfast buffet was more than I expected. I had a wonderful experience there and enjoyed that southern hospitality."

Reviewed on May 30, 2025

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Hilton Garden Inn St. Louis Shiloh/O'Fallon IL
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 ...
5.4/10 (375 reviews)
"check in was good rooms were good. only thing they did not have was tea bags for tea drinkers only had coffee. breakfast was adequate was there for 1 night with group of friends to attend quilt show on Sunday."

Reviewed on Jun 9, 2025

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Baymont by Wyndham O'Fallon St. Louis Area
Hyatt Regency St. Louis at The Arch
Hyatt Regency St. Louis at The Arch
4 out of 5
315 Chestnut St, St. Louis, MO
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! (3,714 reviews)
"Great hotel with amazing views!"

Reviewed on Jun 12, 2025

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Hyatt Regency St. Louis at The Arch
Drury Plaza Hotel St. Louis at the Arch
Drury Plaza Hotel St. Louis at the Arch
3 out of 5
2 South 4th Street, St. Louis, MO
Stay at this 3-star business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the pool ...
9.4/10 Exceptional! (2,682 reviews)
"Best Drury we’ve ever stayed at!"

Reviewed on Jun 12, 2025

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Drury Plaza Hotel St. Louis at the Arch
See all 1,301 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.