Cheap Flights to O'Fallon from $28
Wander Wisely with exceptional service, 24/7 supportOpens in a new window
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 $56 and $28 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 14 to February 21 | $56 |
| ATL | St. Louis | February 4 to February 4 | $57 |
| TPA | St. Louis | March 7 to March 16 | $94 |
| PHL | St. Louis | February 10 to February 18 | $128 |
| DFW | St. Louis | January 31 to February 7 | $128 |
| JFK | St. Louis | February 4 to February 7 | $141 |
| LGA | St. Louis | February 7 to February 9 | $146 |
| LAX | St. Louis | February 18 to February 21 | $151 |
| SEA | St. Louis | February 11 to February 17 | $160 |
| FCO | St. Louis | February 26 to March 2 | $754 |
| Origin | Destination | Travel Dates | Flights From* |
|---|---|---|---|
| ATL | St. Louis | January 23 to January 26 | $81 |
| TPA | St. Louis | January 24 to January 28 | $121 |
| DEN | St. Louis | January 25 to January 31 | $130 |
| DFW | St. Louis | January 25 to January 29 | $171 |
| JFK | St. Louis | January 25 to January 29 | $184 |
| PHL | St. Louis | January 24 to January 31 | $196 |
| LAX | St. Louis | January 24 to January 28 | $243 |
| SEA | St. Louis | January 25 to January 26 | $321 |
| LGA | St. Louis | January 24 to January 31 | $331 |
| FCO | St. Louis | January 25 to February 13 | $845 |
O'Fallon Flight Information
Traveling to | O'Fallon |
|---|---|
Lowest Price | $56 |
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
Staff was awesome and accomodating. Room and price was great.
Reviewed on Jan 2, 2026
Comfort Inn & Suites St. Louis - O'Fallon
Nice room, good front desk help
Reviewed on Jan 11, 2026
Hilton Garden Inn St. Louis/O'Fallon MO
Easy check in, decent stay. Not quite the cleanest, there were hairs in the bathroom
Reviewed on Jan 2, 2026
Luxury Hotels in O'Fallon
Super 8 by Wyndham O'Fallon MO/St. Louis Area
Staff was awesome and accomodating. Room and price was great.
Reviewed on Jan 2, 2026
Family Friendly Hotels in O'Fallon
Sleep Inn & Suites O'Fallon MO - Technology Drive
Great
Reviewed on Jan 9, 2026
Hilton Garden Inn St. Louis/O'Fallon MO
Easy check in, decent stay. Not quite the cleanest, there were hairs in the bathroom
Reviewed on Jan 2, 2026
Residence Inn by Marriott O'Fallon
Quiet, clean, and friendly staff.
Reviewed on Dec 1, 2025
Holiday Inn Express St. Louis West - O'Fallon by IHG
The room that we stayed in was very clean, neat, and spacious. It also smelled good and had a great view. The staff were the friendliest, and the complimentary breakfast was great as well.
Reviewed on Jan 4, 2026
Best O'Fallon Flight and Hotel Packages
O'Fallon flight + hotel packages - economy flights
O'Fallon flight + hotel packages - premium economy flights
Need a Car For After Your Flight?
Special
$38
Compact
$39
Economy
$39
Midsize
$41
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!
Explore More Ways to Travel with Travelocity
- Hotels near CarShield Field
- Hotels near National Equestrian Center
- Hotels near Alligator Creek Aquatic Center
- Apartments in St. Peters
- B&B in St. Peters
- Cabins in St. Peters
- Condos in St. Peters
- Cottages in St. Peters
- Extended Stay Hotels in St. Peters
- Casino Resorts & in St. Peters
- Cheap Hotels in St. Peters
- Gay Friendly Hotels in St. Peters
- Hotels with Pools in St. Peters
- Hotels with Free Breakfast in St. Peters
- Hotels with Hot Tubs in St. Peters
- Hotels with an Indoor Pool in St. Peters
- Hotels with Restaurants in St. Peters
- La Quinta Inn & Suites Hotels in St. Peters
- Luxury Hotels in St. Peters
- Motel 6 Hotels in St. Peters
- Pet Friendly Hotels in St. Peters
- Red Roof Inn Hotels in St. Peters
- Romantic Getaways & Hotels in St. Peters
- Hotels with Shopping in St. Peters
- Wyndham Hotels in St. Peters
- St. Peters Hotels
- Motels in St. Peters
- Villas in St. Peters
- Apartments in Cottleville
- B&B in Cottleville
- Cottages in Cottleville
- Extended Stay Hotels in Cottleville
- Cottleville Hotels
- Vacation Homes in Cottleville
- Villas in Cottleville
- Hotels near 9-11 Memorial
- Dardenne Prairie Hotels
- Hotels near Mid Rivers Mall
- B&B in Lake St Louis
- Cabins in Lake St Louis
- Chalets in Lake St Louis
- Condos in Lake St Louis
- Extended Stay Hotels in Lake St Louis
- Guest Houses in Lake St Louis
- Cheap Hotels in Lake St Louis
- Kid Friendly Hotels in Lake St Louis
- Golf Resorts & in Lake St Louis
- Luxury Hotels in Lake St Louis
- Pet Friendly Hotels in Lake St Louis
- Lake St Louis Hotels
- Houseboats in Lake St Louis
- Motels in Lake St Louis
- Vacation Homes in Lake St Louis
- Villas in Lake St Louis
- Flights to Union
- Flights to Fenton
- Flights to Florissant
- Flights to St. Louis
- Flights to Pacific
- Flights to Overland
- Flights to Troy
- Flights to Chesterfield
- Flights to Catawissa
- Flights to Richmond Heights
- Flights to Maryland Heights
- Flights to Foristell
- Flights to Brentwood
- Flights to Frontenac
- Flights to St. Peters
- Flights from El Paso to St. Peters
- Flights to Spanish Lake
- Flights to Elsberry
- Flights to St. Ann
- Flights to Kirkwood
- Flights to Gray Summit
- Flights to Arnold
- Flights to Eureka
- Flights to St. Charles
- Flights to Wentzville
- Flights to Marthasville
- Flights to Wildwood
- Flights to Bridgeton
- Flights to Innsbrook
- Flights to Berger
- Flights to Hazelwood
- Car rental St. Peters
- Convertible Car Rentals in St. Peters
- Luxury Car Rentals in St. Peters
- Minivan Car Rentals in St. Peters
- Pickup Car Rentals in St. Peters
- Suv Car Rentals in St. Peters
- Sportscar Car Rentals in St. Peters
- Van Car Rentals in St. Peters
- Car rental Lake St Louis
- Standard Car Rentals in Lake St Louis