Cheap Flights to O'Fallon from $20
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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 $43 and $20 for one-way flights to O'Fallon for the period specified. Prices and availability are subject to change. Additional terms apply
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$43 Roundtrip, found 2 days ago
$43
Roundtrip
found 2 days ago
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| DFW | St. Louis | October 4 to October 9 | $74 |
| ATL | St. Louis | September 23 to September 28 | $76 |
| DEN | St. Louis | October 31 to November 21 | $100 |
| PHL | St. Louis | October 21 to October 23 | $107 |
| TPA | St. Louis | October 5 to October 7 | $135 |
| SEA | St. Louis | October 17 to October 23 | $222 |
| LAX | St. Louis | October 21 to October 24 | $222 |
| LGA | St. Louis | September 30 to October 2 | $231 |
| FCO | St. Louis | September 16 to September 21 | $871 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| DEN | St. Louis | September 5 to September 28 | $227 |
| LGA | St. Louis | September 6 to September 16 | $281 |
| TPA | St. Louis | September 6 to September 10 | $324 |
| PHL | St. Louis | September 5 to September 7 | $340 |
| LAX | St. Louis | September 6 to September 10 | $377 |
| DFW | St. Louis | September 6 to September 8 | $388 |
| ATL | St. Louis | September 6 to September 7 | $472 |
| SEA | St. Louis | September 6 to September 28 | $481 |
O'Fallon Flight Information
Traveling to | O'Fallon |
|---|---|
Lowest Price | $43 |
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
1100 Eastgate Dr O'Fallon IL
$54 nightly
The price is $63 total per night from Sep 21 to Sep 22
$63 total
Sep 21 - Sep 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 ...
Welcome Suites
148 Regency Park O'Fallon IL
$70 nightly
The price is $80 total per night from Sep 6 to Sep 7
$80 total
Sep 6 - Sep 7
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 ...
Quality Inn O'Fallon - St. Louis - Shiloh
1409 W US 50 O'Fallon IL
$67 nightly
The price is $77 total per night from Sep 13 to Sep 14
$77 total
Sep 13 - Sep 14
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! (1,007 reviews)
"Only complaint was the bed was too hard for my arthritic joints"
Reviewed on Sep 3, 2026
Save an average of 15% on thousands of hotels when you're signed in
Sleep Inn O'Fallon near I-64
140 Venita Dr O'Fallon IL
$59 nightly
The price is $68 total per night from Sep 9 to Sep 10
$68 total
Sep 9 - Sep 10
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 ...
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
1100 Eastgate Dr O'Fallon IL
$54 nightly
The price is $63 total per night from Sep 21 to Sep 22
$63 total
Sep 21 - Sep 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 ...
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
136 Regency Park O'Fallon IL
$72 nightly
The price is $83 total per night from Sep 9 to Sep 10
$83 total
Sep 9 - Sep 10
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 clean rooms in our reviews. ...
5.8/10 (1,001 reviews)
"This hotel and rooms need updating I had a king size bed and the pillows were non existent. The lock on the door was only held on by 1 screw. When we brought it up the next morning the worker acted like oh really. The lobby breakfast seating was very old and the upholstery was all cracked and had ..."
Reviewed on Sep 2, 2026
Quality Inn O'Fallon - St. Louis - Shiloh
1409 W US 50 O'Fallon IL
$67 nightly
The price is $77 total per night from Sep 13 to Sep 14
$77 total
Sep 13 - Sep 14
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! (1,007 reviews)
"Only complaint was the bed was too hard for my arthritic joints"
Reviewed on Sep 3, 2026
Save an average of 15% on thousands of hotels when you're signed in
Baymont by Wyndham O'Fallon St. Louis Area
1320 Park Plaza Drive O'Fallon IL
$63 nightly
The price is $72 total per night from Sep 9 to Sep 10
$72 total
Sep 9 - Sep 10
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 (512 reviews)
"I found cockroaches in my bed."
Reviewed on Aug 30, 2026
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
116 Regency Park O'Fallon IL
$70 nightly
The price is $81 total per night from Sep 6 to Sep 7
$81 total
Sep 6 - Sep 7
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. ...
Drury Inn & Suites St. Louis O'Fallon, IL
1118 Central Park Drive O'Fallon IL
$106 nightly
The price is $123 total per night from Sep 27 to Sep 28
$123 total
Sep 27 - Sep 28
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)
"Wonderful hotel and staff. A great breakfast, and though we were not able to take part in the evening festivities due to our prior commitments, we appreciated that it was available and will definitely have us considering it for return visits."
Reviewed on Aug 31, 2026
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
136 Regency Park O'Fallon IL
$72 nightly
The price is $83 total per night from Sep 9 to Sep 10
$83 total
Sep 9 - Sep 10
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 clean rooms in our reviews. ...
5.8/10 (1,001 reviews)
"This hotel and rooms need updating I had a king size bed and the pillows were non existent. The lock on the door was only held on by 1 screw. When we brought it up the next morning the worker acted like oh really. The lobby breakfast seating was very old and the upholstery was all cracked and had ..."
Reviewed on Sep 2, 2026
Save an average of 15% on thousands of hotels when you're signed in
Super 8 by Wyndham O'Fallon
1100 Eastgate Dr O'Fallon IL
$54 nightly
The price is $63 total per night from Sep 21 to Sep 22
$63 total
Sep 21 - Sep 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 ...
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.
Need a Car For After Your Flight?
Compact
Saint Louis, Missouri, USA
$41
$113 total
found 5 days ago
Economy
Saint Louis, Missouri, USA
$41
$113 total
found 5 days ago
Special
Saint Louis, Missouri, USA
$43
$119 total
found 5 days ago
Fullsize
Saint Louis, Missouri, USA
$43
$127 total
found 5 days ago
Lowest prices found within the past 5 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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