Search Cheap Flights toO'Fallon
Search 400 airlines and 321,000 hotels worldwide.
Stop Planning & Start Exploring
FREE 24 hour cancellation on most flights
O'Fallon Flights as Low as $62
Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Cheap Flights to O'Fallon
Fall in love at first flight with your vacation to O'Fallon by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to O'Fallon on Hotwire, and you’ll be up, up, and on a getaway in no time.
Because once the wheels are down in O'Fallon, the good times start rolling. So buckle up, you’re in for a fun ride.
Frequently Asked Questions About flights to O'Fallon
Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to O'Fallon with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.
So all you have to worry about is where you’re headed after the STL airport.
What is the cheapest month to fly to O'Fallon?
Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to O'Fallon are in May, but when you book your flight on Hotwire, savings are always in season.
How many airlines fly to O'Fallon?
Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to O'Fallon.
What airport is best to fly into O'Fallon?
When you’re planning your trip to O'Fallon, convenience is the name of the game. Luckily, O'Fallon Lambert-St. Louis Intl. Airport is nearby so you can deplane and get going on checking off everything on your O'Fallon must-do list.
How much are flights to O'Fallon?
Got very cheap flights on your vacation itinerary? When you book your airline tickets to O'Fallon on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $62, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.
How to get cheap flights to O'Fallon?
The trick to saving a stack of cash on your flight to O'Fallon? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $62 right now, why wait?
Destination airport | Lambert-St. Louis Intl. |
|---|---|
Destination airport IATA code | STL |
Roundtrip price | $62 |
Last Minute Hotel Deals in O'Fallon
Drury Inn & Suites St. Louis O'Fallon, IL
Clean room, friendly staff, great food.
Reviewed on Feb 24, 2026
Super 8 by Wyndham O'Fallon
Breakfast food was all stale and uneatable
Reviewed on Feb 24, 2026
Quality Inn O'Fallon IL - St. Louis
Accommodating check in.
Reviewed on Feb 25, 2026
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
Nice for price
Reviewed on Feb 4, 2026
Sleep Inn O'Fallon near I-64
The staff is friendly and professional
Reviewed on Feb 23, 2026
Baymont by Wyndham O'Fallon St. Louis Area
Our toilet was broken and had to be fixed immediately upon walking in. We were questioned about asking for an extra blanket. The staff was ok but passive.
Reviewed on Feb 16, 2026
Welcome Suites
There were no toiletries or towels in the room when we arrived. Otherwise the stay was good.
Reviewed on Feb 26, 2026
Fairfield Inn & Suites by Marriott O'Fallon, IL
Great overnight stay!
Reviewed on Feb 21, 2026
Nearby Cities
Popular Flight Routes
- Atlanta to New York
- Detroit to Las Vegas
- Dallas to Atlanta
- Dallas to Yosemite National Park
- Toronto to Edmonton
- Chicago to Tulum
- Houston to Lake Tahoe
- Chicago to Las Vegas
- Dallas to Miami
- Dallas to Lake Tahoe
- New York to Miami
- New York to Las Vegas
- Miami to Atlanta
- Minneapolis St Paul to Fort Walton Beach Destin
- Dallas to Branson
- Cleveland to Vero Beach
- Managua to Miami
- Atlanta to Boston
- Austin to Tulum
- Calgary to Vancouver