Cheap Flights to O'Fallon from $34
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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 $64 and $34 for one-way flights to O'Fallon for the period specified. Prices and availability are subject to change. Additional terms apply
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| DEN | St. Louis | February 7 to February 7 | $64 |
| ATL | St. Louis | December 15 to December 15 | $82 |
| TPA | St. Louis | January 9 to January 12 | $118 |
| LGA | St. Louis | January 7 to January 9 | $149 |
| LGA | St. Louis | January 7 to January 9 | $149 |
| PHL | St. Louis | January 8 to January 11 | $157 |
| SEA | St. Louis | January 9 to January 13 | $168 |
| DFW | St. Louis | February 10 to February 19 | $169 |
| LAX | St. Louis | January 24 to February 4 | $192 |
| FCO | St. Louis | December 5 to December 9 | $820 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| ATL | St. Louis | November 29 to January 11 | $251 |
| JFK | St. Louis | November 29 to December 2 | $295 |
| DAL | St. Louis | November 28 to December 3 | $315 |
| TPA | St. Louis | November 30 to December 5 | $341 |
| DEN | St. Louis | November 28 to November 29 | $370 |
| LGA | St. Louis | November 29 to December 1 | $408 |
| SEA | St. Louis | November 29 to December 21 | $414 |
| PHL | St. Louis | November 29 to December 1 | $422 |
| LAX | St. Louis | November 30 to December 1 | $504 |
O'Fallon Flight Information
Traveling to | O'Fallon |
|---|---|
Lowest Price | $64 |
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 MO/St. Louis Area
clean room and clean towels
Reviewed on Nov 9, 2025
Comfort Inn & Suites St. Louis - O'Fallon
Great front desk experience, no issues booking same day!
Reviewed on Nov 14, 2025
Hilton Garden Inn St. Louis/O'Fallon MO
Less carbs, more healthy options.
Reviewed on Oct 23, 2025
Luxury Hotels in O'Fallon
Super 8 by Wyndham O'Fallon MO/St. Louis Area
clean room and clean towels
Reviewed on Nov 9, 2025
Family Friendly Hotels in O'Fallon
Sleep Inn & Suites O'Fallon MO - Technology Drive
All good.
Reviewed on Nov 21, 2025
Hilton Garden Inn St. Louis/O'Fallon MO
Less carbs, more healthy options.
Reviewed on Oct 23, 2025
Residence Inn by Marriott O'Fallon
The room was very comfortable! We did notice a good amount of dust on the TV stand and we fixed some minor maintenence issues but loved our stay.
Reviewed on Nov 9, 2025
Holiday Inn Express St. Louis West - O'Fallon by IHG
The room was clean and comfortable...even efficiently stylish. The breakfast selection was excellent!! And our stay was very affordable. We'll definitely be back!
Reviewed on Nov 17, 2025
Best O'Fallon Flight and Hotel Packages
O'Fallon flight + hotel packages - economy flights
Need a Car For After Your Flight?
Special
$43
Economy
$43
Compact
$43
Midsize
$45
Frequently asked questions
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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