Cheap Flights to O'Fallon from $29
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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 $57 and $29 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 | April 13 to April 18 | $69 |
| ATL | St. Louis | March 16 to March 24 | $80 |
| DFW | St. Louis | April 20 to April 20 | $80 |
| LGA | St. Louis | May 11 to May 14 | $160 |
| EWR | St. Louis | May 3 to May 7 | $160 |
| PHL | St. Louis | April 13 to April 15 | $160 |
| TPA | St. Louis | April 17 to April 27 | $161 |
| SEA | St. Louis | April 8 to April 21 | $177 |
| LAX | St. Louis | May 4 to May 8 | $202 |
| FCO | St. Louis | March 13 to March 17 | $854 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| PHL | St. Louis | March 8 to March 10 | $251 |
| DEN | St. Louis | March 7 to March 10 | $274 |
| ATL | St. Louis | March 8 to March 11 | $286 |
| EWR | St. Louis | March 6 to March 11 | $286 |
| LGA | St. Louis | March 7 to March 11 | $286 |
| TPA | St. Louis | March 8 to March 14 | $313 |
| LAX | St. Louis | March 8 to March 20 | $342 |
| DFW | St. Louis | March 8 to April 5 | $344 |
| SEA | St. Louis | March 6 to March 9 | $546 |
O'Fallon Flight Information
Traveling to | O'Fallon |
|---|---|
Lowest Price | $57 |
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. Courteous, helpful staff.
Reviewed on Feb 20, 2026
Comfort Inn & Suites St. Louis - O'Fallon
Pool was dirty .microwave door broken .smelled like weed all night .lous til after 3am asked for money back and to vacate early money was not returned and manager sidnt even come try and offer diff room better room diff floor nothing
Reviewed on Mar 1, 2026
Luxury Hotels in O'Fallon
Super 8 by Wyndham O'Fallon MO/St. Louis Area
Clean room. Courteous, helpful staff.
Reviewed on Feb 20, 2026
Family Friendly Hotels in O'Fallon
Residence Inn by Marriott O'Fallon
We have stayed at this hotel in the past since we gave family in the area. The hotel is in a nice area and conveniently located for us however it is in need of an update. The rooms look dirty, have torn carpet, and outdated furnishings. The staff is kind and are helpful with any requests we have ...
Reviewed on Mar 1, 2026
Holiday Inn Express St. Louis West - O'Fallon by IHG
Was ok some of the staff was rud but could be just the area not like where I am from. I know people she’s different personalities from place to place
Reviewed on Feb 28, 2026
Comfort Inn & Suites St. Louis - O'Fallon
Pool was dirty .microwave door broken .smelled like weed all night .lous til after 3am asked for money back and to vacate early money was not returned and manager sidnt even come try and offer diff room better room diff floor nothing
Reviewed on Mar 1, 2026
Super 8 by Wyndham O'Fallon MO/St. Louis Area
Clean room. Courteous, helpful staff.
Reviewed on Feb 20, 2026
Best O'Fallon Flight and Hotel Packages
O'Fallon flight + hotel packages - economy flights
O'Fallon flight + hotel packages - first class flights
Need a Car For After Your Flight?
Compact
$37
Midsize
$37
Economy
$37
Fullsize
$37
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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