Cheap Flights to O'Fallon from $38

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

The cheapest prices found with in the last 7 days for return flights were $72 and $38 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. LouisAugust 17 to August 20$76
DENSt. LouisSeptember 2 to September 8$126
DFWSt. LouisSeptember 14 to September 17$128
LGASt. LouisAugust 4 to August 12$210
TTNSt. LouisAugust 26 to September 2$210
LGASt. LouisAugust 4 to August 12$210
TPASt. LouisJuly 30 to August 5$239
LAXSt. LouisAugust 26 to September 1$250
SEASt. LouisSeptember 8 to September 13$264
FCOSt. LouisJuly 29 to August 5$982
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLSt. LouisJune 21 to July 12$259
DFWSt. LouisJune 20 to June 22$351
DENSt. LouisJune 20 to July 7$361
EWRSt. LouisJune 21 to June 23$367
PHLSt. LouisJune 21 to June 26$397
LAXSt. LouisJune 19 to June 20$399
LGASt. LouisJune 19 to June 21$412
SEASt. LouisJune 20 to June 27$487
TPASt. LouisJune 21 to June 24$494
FCOSt. LouisJune 19 to July 4$1,252
*Prices include taxes and fees

O'Fallon Flight Information

Traveling to
O'Fallon
Lowest Price
$72
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
$54 nightly
The price is $62 total per night from Jun 18 to Jun 19
$62 total
Jun 18 - Jun 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 ...
6.8/10 (1,008 reviews)
"The lady at the front desk was rude and trying to watch a tv show while assisting me so it took forever because she wasn’t focused on her job. They did not advise me there is no elevator so I walked around the entire building looking for one with all of my bags.. extremely inconvenient. The halls ..."

Reviewed on Jun 17, 2026

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 Jun 19 to Jun 20
$53 total
Jun 19 - Jun 20
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 ...
5.8/10 (277 reviews)
"1. I always do the book now and pay later so I know what I’m paying for when I get to the hotel 2. I called the hotel to make sure me arriving early the next morning was ok and they said yes and for some reason they checked me in and charged my card. 3. I wasn’t made aware of that til I went to cancel ..."

Reviewed on Jun 8, 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
$70 nightly
The price is $81 total per night from Jun 21 to Jun 22
$81 total
Jun 21 - Jun 22
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! (1,010 reviews)
"Lady at the desk was pleasant. Room was clean and pleasant."

Reviewed on Jun 17, 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
$70 nightly
The price is $81 total per night from Jun 21 to Jun 22
$81 total
Jun 21 - Jun 22
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! (969 reviews)
"Filthy Elevator sticky Dresser drawers falling out No cups in room for coffee Lobby dark and dingy"

Reviewed on Jun 11, 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
$54 nightly
The price is $62 total per night from Jun 18 to Jun 19
$62 total
Jun 18 - Jun 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 ...
6.8/10 (1,008 reviews)
"The lady at the front desk was rude and trying to watch a tv show while assisting me so it took forever because she wasn’t focused on her job. They did not advise me there is no elevator so I walked around the entire building looking for one with all of my bags.. extremely inconvenient. The halls ..."

Reviewed on Jun 17, 2026

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 (1,002 reviews)
"The whole building felt dirty, all the floors were sticky. It WAS pet friendly, which was great for us as we were traveling with our small dog. The female staff member was good, but the male was not - he didn’t seem to understand or care much about anything we said/asked. The pool was fine."

Reviewed on Jun 8, 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
$70 nightly
The price is $81 total per night from Jun 21 to Jun 22
$81 total
Jun 21 - Jun 22
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! (1,010 reviews)
"Lady at the desk was pleasant. Room was clean and pleasant."

Reviewed on Jun 17, 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 Jun 24 to Jun 25
$72 total
Jun 24 - Jun 25
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 (489 reviews)
"Room was clean but smelled badly of smoke. We were booked in a non-smoking."

Reviewed on Jun 13, 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
$74 nightly
The price is $85 total per night from Jun 18 to Jun 19
$85 total
Jun 18 - Jun 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 in our reviews. ...
6.4/10 (155 reviews)
"Buffet breakfast had dried on food. EGGS were watery... The shower had dirty handprints in the room. Did not have full access to the pool. It is rented out to families that are not staying at the hotel, on through Thursday between 9 am to noon and 2 pm to 6 pm. Beds are very hard. I would not recommend ..."

Reviewed on Jun 12, 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
$106 nightly
The price is $123 total per night from Jul 5 to Jul 6
$123 total
Jul 5 - Jul 6
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! (1,000 reviews)
"I loved everything about the property except the part of not changing the sheets. They made the bed but not changed the sheets???"

Reviewed on Jun 15, 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 (1,002 reviews)
"The whole building felt dirty, all the floors were sticky. It WAS pet friendly, which was great for us as we were traveling with our small dog. The female staff member was good, but the male was not - he didn’t seem to understand or care much about anything we said/asked. The pool was fine."

Reviewed on Jun 8, 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
$54 nightly
The price is $62 total per night from Jun 18 to Jun 19
$62 total
Jun 18 - Jun 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 ...
6.8/10 (1,008 reviews)
"The lady at the front desk was rude and trying to watch a tv show while assisting me so it took forever because she wasn’t focused on her job. They did not advise me there is no elevator so I walked around the entire building looking for one with all of my bags.. extremely inconvenient. The halls ..."

Reviewed on Jun 17, 2026

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.
The Wildwood Hotel
Moonrise Hotel
The Cheshire
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Need a Car For After Your Flight?

Lowest prices found within the past 6 days. 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!

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*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.