Cheap Flights to O'Fallon from $29

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

How Much Does it Cost To Fly To O'Fallon?

The cheapest prices found with in the last 7 days for return flights were $56 and $29 for one-way flights to O'Fallon for the period specified. Prices and availability are subject to change. Additional terms apply

OriginDestinationTravel DatesFlights From*
ATLSt. LouisJuly 14 to July 21$56
DFWSt. LouisJune 16 to June 20$86
DENSt. LouisMay 24 to May 26$111
PHLSt. LouisMay 24 to May 26$154
LGASt. LouisJune 5 to June 7$185
TPASt. LouisMay 28 to June 2$185
LGASt. LouisJune 5 to June 7$185
LAXSt. LouisJuly 26 to July 29$230
SEASt. LouisJuly 24 to July 31$249
FCOSt. LouisMay 13 to May 17$995
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
TTNSt. LouisMay 8 to May 15$215
LGASt. LouisMay 10 to July 31$252
LGASt. LouisMay 10 to July 31$252
ATLSt. LouisMay 10 to May 12$262
TPASt. LouisMay 8 to May 11$262
DENSt. LouisMay 9 to May 11$272
DFWSt. LouisMay 10 to May 14$281
LAXSt. LouisMay 10 to May 14$333
SEASt. LouisMay 8 to May 10$438
FCOSt. LouisMay 8 to May 12$990
*Prices include taxes and fees

O'Fallon Flight Information

Traveling to
O'Fallon
Lowest Price
$56
Number of Airlines Serving
Airlines Serving
Frontier Airlines
Number of Daily Flights
Airlines with Direct Flights

Find The Perfect Hotel For After Your Flight

Amazing O'Fallon Accommodation Deals

Super 8 by Wyndham O'Fallon

Super 8 by Wyndham O'Fallon

2 out of 5
1100 Eastgate Dr O'Fallon IL
$55 nightly
The price is $64 total per night from May 10 to May 11
$64 total
May 10 - May 11
Total with taxes and fees
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 ...
Opens in a new windowSuper 8 by Wyndham O'Fallon
Welcome Suites

Welcome Suites

2 out of 5
148 Regency Park O'Fallon IL
$46 nightly
The price is $53 total per night from May 5 to May 6
$53 total
May 5 - May 6
Total with taxes and fees
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free WiFi, free parking, and a fitness center. Popular attractions O'Fallon Family Sports Park ...
5.6/10 (245 reviews)
Floor was kinda gross. Walls had holes everywhere, just generally not the cleanest. You get what you pay for though , it wasn’t the worst. Guy at the counter was nice

Reviewed on May 3, 2026

Opens in a new windowWelcome Suites
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
$71 nightly
The price is $82 total per night from May 18 to May 19
$82 total
May 18 - May 19
Total with taxes and fees
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 ...
7.4/10 Good! (1,003 reviews)
Staff is friendly. The mattress was quite old and uncomfortable. Noise carries up the stairs into the rooms.

Reviewed on May 3, 2026

Opens in a new windowQuality Inn O'Fallon IL - St. Louis
Save an average of 15% on thousands of hotels when you're signed in
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
$71 nightly
The price is $81 total per night from May 31 to Jun 1
$81 total
May 31 - Jun 1
Total with taxes and fees
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! (945 reviews)
Is convenient and the beds are comfortable and it has a nice kitchenette. The customer service left a lot to be desired, and the whirlpool tub they charged a premium for did not work, and they were out of breakfast by 8:30 am. There was only one working ice machine, no vending machines, and the pool ...

Reviewed on Apr 30, 2026

Opens in a new windowSleep Inn O'Fallon near I-64
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.

Luxury Hotels 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
$55 nightly
The price is $64 total per night from May 10 to May 11
$64 total
May 10 - May 11
Total with taxes and fees
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 ...
Opens in a new windowSuper 8 by Wyndham O'Fallon
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
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. ...
5.8/10 (1,000 reviews)
Staff spoke very little english. Had to wait to see is the handicapped room was ready, from being supposedly deep cleaned. There were cracks in the ceiling ,that had been haphazardly plastered over and was chippy. There was blue paint chipping off the wall and the veneer on the door was peeling ...

Reviewed on Apr 28, 2026

Opens in a new windowLa 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
$71 nightly
The price is $82 total per night from May 18 to May 19
$82 total
May 18 - May 19
Total with taxes and fees
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 ...
7.4/10 Good! (1,003 reviews)
Staff is friendly. The mattress was quite old and uncomfortable. Noise carries up the stairs into the rooms.

Reviewed on May 3, 2026

Opens in a new windowQuality Inn O'Fallon IL - St. Louis
Save an average of 15% on thousands of hotels when you're signed in
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
$63 nightly
The price is $72 total per night from May 10 to May 11
$72 total
May 10 - May 11
Total with taxes and fees
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 ...
5.6/10 (472 reviews)
Toilet in room 104 runs intermittently. I reported it when we checked in and nothing was done to fix it. I reported again when we checked out.

Reviewed on Apr 25, 2026

Opens in a new windowBaymont by Wyndham O'Fallon St. Louis Area
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.

Family Friendly Hotels in O'Fallon

Comfort Inn & Suites O'Fallon - St. Louis Area

Comfort Inn & Suites O'Fallon - St. Louis Area

2 out of 5
116 Regency Park O'Fallon IL
$76 nightly
The price is $87 total per night from May 25 to May 26
$87 total
May 25 - May 26
Total with taxes and fees
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. ...
6.4/10 (143 reviews)
It was a nice hotel just needed to be cleaned a little more. Our sheets had a few spots on them that was stained. We had an issue of people above us jumping around. We went to call the desk and the phone didn’t work. I had to call the office on my cellphone. He said he would go up and see about it. ...

Reviewed on May 3, 2026

Opens in a new windowComfort Inn & Suites O'Fallon - St. Louis Area
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
$108 nightly
The price is $125 total per night from May 10 to May 11
$125 total
May 10 - May 11
Total with taxes and fees
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.6/10 Exceptional! (1,003 reviews)
Clean rooms and friendly staff

Reviewed on May 2, 2026

Opens in a new windowDrury 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
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. ...
5.8/10 (1,000 reviews)
Staff spoke very little english. Had to wait to see is the handicapped room was ready, from being supposedly deep cleaned. There were cracks in the ceiling ,that had been haphazardly plastered over and was chippy. There was blue paint chipping off the wall and the veneer on the door was peeling ...

Reviewed on Apr 28, 2026

Opens in a new windowLa Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
Save an average of 15% on thousands of hotels when you're signed in
Super 8 by Wyndham O'Fallon

Super 8 by Wyndham O'Fallon

2 out of 5
1100 Eastgate Dr O'Fallon IL
$55 nightly
The price is $64 total per night from May 10 to May 11
$64 total
May 10 - May 11
Total with taxes and fees
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 ...
Opens in a new windowSuper 8 by Wyndham 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.

Best O'Fallon Flight and Hotel Packages

O'Fallon flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Alhonna Resort LLC
Nebraska
Hilton Pennywell St. Louis at the Arch
Don't see what you're looking for?
See all available trips from Orlando to O'Fallon
View all trips

Need a Car For After Your Flight?

Lowest prices found within the past 20 hours. Prices and availability subject to change. Additional terms may apply.

Plane Tickets To O'Fallon

Although you may try and resist the urge, you know that when the travel bug comes, there is only one way to get rid of it. Thankfully, Travelocity is here to help nip that travel bug in the bud with great deals on flights to O'Fallon. Browse through our inventory to explore a wide range of cheap flights to O'Fallon to solidify your next big trip out of town. Whether you are heading out on a business trip, exploring a place you have never been for pleasure or are bringing the family on the annual vacation, we have the perfect getaway waiting for you. In no time, you will be day dreaming of your plane landing in O'Fallon as you anxiously await to exit the plane and explore what O'Fallon has to offer. Considering all the amazing local food and culture in O'Fallon, we won't hold this against you.

When you are ready to embark on your next big adventure, Travelocity will be right here waiting to open the doors to the garden so that you can go and smell the roses. When you decide to book and travel is entirely up to you, but don't wait too long because we have some of the best deals on the web and they won't last long. Take time to go through our huge selection of cheap flights to O'Fallon to find the best deals that fit into your budget. If browsing on your phone while your boss isn't looking is more your thing (we promise we won't tell), consider checking out Travelocity's mobile app which allows you to take advantage of all our flights to O'Fallon without having to compromise your work computer's search history. If you are looking to save even more, you can easily save up to $537 when you bundle one of our cheap flights to O'Fallon with one of our hotels. So why are you waiting around? There is no better time than now to start booking that next trip. Start your search now to book one of our flights to O'Fallon today!

Explore More Ways to Travel with Travelocity

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.