Cheap Flights to O'Fallon from $31

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 $60 and $31 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 12 to July 19$116
LGASt. LouisSeptember 4 to September 8$117
LGASt. LouisSeptember 4 to September 8$117
DENSt. LouisSeptember 8 to September 15$138
DALSt. LouisAugust 14 to August 19$139
TPASt. LouisJuly 10 to July 14$151
PHLSt. LouisJuly 21 to July 24$157
SEASt. LouisAugust 26 to September 2$175
LAXSt. LouisAugust 20 to August 24$239
FCOSt. LouisAugust 28 to September 1$759
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
EWRSt. LouisJune 21 to June 26$192
ATLSt. LouisJune 21 to June 29$223
TPASt. LouisJune 22 to June 26$252
DFWSt. LouisJune 22 to July 6$270
LGASt. LouisJune 22 to June 26$343
PHLSt. LouisJune 22 to June 28$343
LAXSt. LouisJune 21 to June 26$415
DENSt. LouisJune 22 to June 23$419
SEASt. LouisJune 21 to August 9$473
FCOSt. LouisJune 21 to July 4$932
*Prices include taxes and fees

O'Fallon Flight Information

Traveling to
O'Fallon
Lowest Price
$60
Number of Airlines Serving
Airlines Serving
Spirit 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
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! (1,006 reviews)
"Easy check in"

Reviewed on Jun 16, 2025

Super 8 by Wyndham O'Fallon
Welcome Suites

Welcome Suites

2 out of 5
148 Regency Park, O'Fallon, IL
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 ...
5/10 (172 reviews)
"I love this app"

Reviewed on Jun 8, 2025

Welcome 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
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 ...
7.4/10 Good! (980 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

Quality 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
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! (774 reviews)
"Hotel is older bathroom needs som updating. Breakfast was decent for the piece , but they didn’t have enough food out at time for the number of people eating"

Reviewed on Jun 7, 2025

Sleep 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
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! (1,006 reviews)
"Easy check in"

Reviewed on Jun 16, 2025

Super 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
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 (1,002 reviews)
"Nice staff, always got towels as needed or extra trash bags. Good coffee. Pool wasn't bad wish it was heated pool but wasn't bad."

Reviewed on Jun 14, 2025

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 ...
7.4/10 Good! (980 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

Quality 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
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 (376 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

Baymont 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
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. ...
6.6/10 (611 reviews)
"The ice machine needs help as does the breakfast. Not the usual for Comfort Inn."

Reviewed on May 30, 2025

Comfort 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
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! (1,007 reviews)
"Good hotel, price was to high the quality tho"

Reviewed on Jun 14, 2025

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 (1,002 reviews)
"Nice staff, always got towels as needed or extra trash bags. Good coffee. Pool wasn't bad wish it was heated pool but wasn't bad."

Reviewed on Jun 14, 2025

La 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
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! (1,006 reviews)
"Easy check in"

Reviewed on Jun 16, 2025

Super 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.
Isle of Capri Casino Hotel Boonville
The Wildwood Hotel
Ballpark Apartments by Barsala
Don't see what you're looking for?
See all available trips from Boston to O'Fallon
View all trips

Need a Car For After Your Flight?

Lowest prices found within the past 4 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!

*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.