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O'Fallon

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O'Fallon Flights as Low as $121

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

Frontier Airlines
Tue, Mar 11 - Mon, Mar 24
AUS
Austin-Bergstrom Intl.
STL
Lambert-St. Louis Intl.
$121 Roundtrip, found 6 days ago
$121
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Mar 11 from Austin-Bergstrom Intl. to Lambert-St. Louis Intl., returning Mon, Mar 24, priced at $121 found 6 days ago
Frontier Airlines
Tue, Apr 8 - Sat, Apr 12
SLC
Salt Lake City Intl.
STL
Lambert-St. Louis Intl.
$121 Roundtrip, found 1 day ago
$121
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Apr 8 from Salt Lake City Intl. to Lambert-St. Louis Intl., returning Sat, Apr 12, priced at $121 found 1 day ago
Frontier Airlines
Thu, Mar 27 - Tue, Apr 1
CLT
Charlotte-Douglas Intl.
STL
Lambert-St. Louis Intl.
$141 Roundtrip, found 1 day ago
$141
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Mar 27 from Charlotte-Douglas Intl. to Lambert-St. Louis Intl., returning Tue, Apr 1, priced at $141 found 1 day ago
Frontier Airlines
Sat, Mar 8 - Wed, Mar 19
ORF
Norfolk Intl.
STL
Lambert-St. Louis Intl.
$161 Roundtrip, found 2 days ago
$161
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sat, Mar 8 from Norfolk Intl. to Lambert-St. Louis Intl., returning Wed, Mar 19, priced at $161 found 2 days ago
Spirit Airlines
Wed, Apr 9 - Tue, Apr 15
ORF
Norfolk Intl.
STL
Lambert-St. Louis Intl.
$178 Roundtrip, found 3 days ago
$178
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Wed, Apr 9 from Norfolk Intl. to Lambert-St. Louis Intl., returning Tue, Apr 15, priced at $178 found 3 days ago
Delta
Wed, May 7 - Wed, May 7
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$184 Roundtrip, found 5 days ago
$184
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, May 7 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Wed, May 7, priced at $184 found 5 days ago
Frontier Airlines
Mon, Feb 24 - Wed, Mar 5
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$200 Roundtrip, found 5 days ago
$200
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Feb 24 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Wed, Mar 5, priced at $200 found 5 days ago
Frontier Airlines
Mon, Mar 3 - Tue, Mar 18
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$211 Roundtrip, found 1 day ago
$211
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Mar 3 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Tue, Mar 18, priced at $211 found 1 day ago
Delta
Sat, Apr 5 - Fri, Apr 11
BOI
Boise
STL
Lambert-St. Louis Intl.
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Apr 5 from Boise to Lambert-St. Louis Intl., returning Fri, Apr 11, priced at $227 found 1 day ago
American Airlines
Wed, Apr 9 - Sat, Apr 12
BOI
Boise
STL
Lambert-St. Louis Intl.
$227 Roundtrip, found 1 day ago
$227
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 9 from Boise to Lambert-St. Louis Intl., returning Sat, Apr 12, priced at $227 found 1 day ago
United
Wed, Apr 9 - Sat, Apr 12
BOI
Boise
STL
Lambert-St. Louis Intl.
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 9 from Boise to Lambert-St. Louis Intl., returning Sat, Apr 12, priced at $232 found 1 day ago
Delta
Sat, Mar 8 - Tue, Mar 11
AVL
Asheville Regional
STL
Lambert-St. Louis Intl.
$239 Roundtrip, found 9 hours ago
$239
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Mar 8 from Asheville Regional to Lambert-St. Louis Intl., returning Tue, Mar 11, priced at $239 found 9 hours ago
Alaska Airlines
Wed, Apr 9 - Thu, Apr 10
BOI
Boise
STL
Lambert-St. Louis Intl.
$267 Roundtrip, found 1 day ago
$267
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Apr 9 from Boise to Lambert-St. Louis Intl., returning Thu, Apr 10, priced at $267 found 1 day ago
Hawaiian Airlines
Wed, Apr 9 - Sat, Apr 12
BOI
Boise
STL
Lambert-St. Louis Intl.
$267 Roundtrip, found 1 day ago
$267
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Apr 9 from Boise to Lambert-St. Louis Intl., returning Sat, Apr 12, priced at $267 found 1 day ago
Bargain Flight
Sun, Mar 2 - Wed, Apr 2
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$271 Roundtrip, found 13 hours ago
$271
Roundtrip
found 13 hours ago
Select Bargain Flight flight, departing Sun, Mar 2 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Wed, Apr 2, priced at $271 found 13 hours ago
Frontier Airlines
Tue, May 20 - Wed, May 28
BUR
Hollywood Burbank
STL
Lambert-St. Louis Intl.
$336 Roundtrip, found 1 day ago
$336
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, May 20 from Hollywood Burbank to Lambert-St. Louis Intl., returning Wed, May 28, priced at $336 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 March, 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 $121, 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 $121 right now, why wait?

O'Fallon Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$120

Last Minute Hotel Deals in 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 $125 per night from Mar 2 to Mar 3
$125
includes taxes & fees
Mar 2 - Mar 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)
"I love the fact that it was so close to every store and restaurant. Facility was very welcoming and room was very clean."

Reviewed on Feb 17, 2025

Drury Inn & Suites St. Louis O'Fallon, IL
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 Mar 1 to Mar 2
$59
includes taxes & fees
Mar 1 - Mar 2
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! (1,002 reviews)
"Quiet"

Reviewed on Feb 19, 2025

Super 8 by Wyndham O'Fallon
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 $116 per night from Feb 27 to Feb 28
$116
includes taxes & fees
Feb 27 - Feb 28
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! (825 reviews)
Comfortable home
"Perfect room. The bed was a box spring and we are spoiled by having a memory foam at home so that was a bit different but manageable. Our daughter stayed on the pull out couch and she just loved it. A very comfortable room to say the least. The buffet was overpriced but looked good. We didn’t have ..."

Reviewed on Feb 3, 2025

Hilton Garden Inn St. Louis Shiloh/O'Fallon IL
Fairfield Inn & Suites by Marriott O'Fallon, IL
Fairfield Inn & Suites by Marriott O'Fallon, IL
2.5 out of 5
1180 Central Park Drive, O'Fallon, IL
The price is $138 per night from Mar 9 to Mar 10
$138
includes taxes & fees
Mar 9 - Mar 10
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. ...
9.2/10 Wonderful! (282 reviews)
"Everything was so nice and clean and the staff was amazing!"

Reviewed on Feb 15, 2025

Fairfield Inn & Suites by Marriott 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
2.5 out of 5
136 Regency Park, O'Fallon, IL
The price is $68 per night from Feb 26 to Feb 27
$68
includes taxes & fees
Feb 26 - Feb 27
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. ...
6.4/10 (1,001 reviews)
"Customer service was impeccable"

Reviewed on Feb 18, 2025

La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
Holiday Inn Express & Suites - O'Fallon /Shiloh, an IHG Hotel
Holiday Inn Express & Suites - O'Fallon /Shiloh, an IHG Hotel
2.5 out of 5
3396 Green Mount Crossing Drive Shiloh, O'Fallon, IL
The price is $135 per night from Mar 2 to Mar 3
$135
includes taxes & fees
Mar 2 - Mar 3
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! (480 reviews)
"N/A"

Reviewed on Feb 16, 2025

Holiday Inn Express & Suites - O'Fallon /Shiloh, an IHG Hotel
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 $134 per night from Mar 9 to Mar 10
$134
includes taxes & fees
Mar 9 - Mar 10
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! (3,583 reviews)
"Everyone was accommodating, kind, courteous. The hotel was quiet, clean, centrally located, and had nice options for dinner and drinks. I highly recommend this hotel."

Reviewed on Feb 18, 2025

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
The price is $158 per night from Mar 2 to Mar 3
$158
includes taxes & fees
Mar 2 - Mar 3
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! (2,391 reviews)
"I especially liked the parking garage which was enclosed and possibly heated. I also liked the included breakfast and kickback evening buffet and drinks. I did not like the toilet in our room which was so low I had a difficult time getting up from it."

Reviewed on Feb 20, 2025

Drury Plaza Hotel St. Louis at the Arch
See all 1,437 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.