Search Cheap Flights toO'Fallon
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O'Fallon Flights as Low as $70
Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Fri, Jul 18 - Mon, Aug 4
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$70 Roundtrip, found 7 hours ago
$70
Roundtrip
found 7 hours ago
Thu, Jul 17 - Thu, Jul 31
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$73 Roundtrip, found 17 hours ago
$73
Roundtrip
found 17 hours ago
Fri, Jul 18 - Fri, Jul 18
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$80 Roundtrip, found 8 hours ago
$80
Roundtrip
found 8 hours ago
Thu, Aug 7 - Thu, Aug 14
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$90 Roundtrip, just found
$90
Roundtrip
just found
Thu, Aug 14 - Mon, Aug 18
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$123 Roundtrip, found 15 hours ago
$123
Roundtrip
found 15 hours ago
Thu, Aug 7 - Thu, Aug 14
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$135 Roundtrip, found 13 hours ago
$135
Roundtrip
found 13 hours ago
Thu, Sep 4 - Thu, Sep 11
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$155 Roundtrip, found 12 hours ago
$155
Roundtrip
found 12 hours ago
Thu, Nov 27 - Wed, Dec 3
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$159 Roundtrip, just found
$159
Roundtrip
just found
Thu, Jul 3 - Mon, Jul 7
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$180 Roundtrip, found 15 hours ago
$180
Roundtrip
found 15 hours ago
Tue, Nov 18 - Wed, Nov 19
SAT
San Antonio Intl.
STL
Lambert-St. Louis Intl.
$192 Roundtrip, found 4 hours ago
$192
Roundtrip
found 4 hours ago
Tue, Aug 26 - Tue, Aug 26
DAL
Love Field
STL
Lambert-St. Louis Intl.
$194 Roundtrip, found 8 hours ago
$194
Roundtrip
found 8 hours ago
Wed, Aug 27 - Thu, Sep 4
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$195 Roundtrip, found 4 hours ago
$195
Roundtrip
found 4 hours ago
Thu, Sep 25 - Thu, Oct 2
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$199 Roundtrip, found 1 day ago
$199
Roundtrip
found 1 day ago
Tue, Sep 2 - Wed, Sep 3
MSY
Louis Armstrong New Orleans Intl.
STL
Lambert-St. Louis Intl.
$207 Roundtrip, found 3 hours ago
$207
Roundtrip
found 3 hours ago
Sat, Oct 25 - Mon, Oct 27
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$252 Roundtrip, found 11 hours ago
$252
Roundtrip
found 11 hours ago
Mon, Aug 25 - Mon, Sep 1
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$254 Roundtrip, found 16 hours ago
$254
Roundtrip
found 16 hours ago
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 July, 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 15 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 $70, 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 $70 right now, why wait?
Destination airport | Lambert-St. Louis Intl. |
Destination airport IATA code | STL |
Roundtrip price | $70 |
Last Minute Hotel Deals in O'Fallon
Super 8 by Wyndham O'Fallon
1100 Eastgate Dr, O'Fallon, IL
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! (1,006 reviews)
"The room we stayed in was huuuuuge. I thought i walked in the wrong room at first. Outdoor pool was nice. Staff was wonderful and accomodating. Had an issue with my tv but they made sure to help with it right away"
Reviewed on Jun 29, 2025
Drury Inn & Suites St. Louis O'Fallon, IL
1118 Central Park Drive, O'Fallon, IL
Stay at this 3-star business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.4/10 Exceptional! (1,002 reviews)
"It was lovely. One of thee nicest hotels in St. Louis"
Reviewed on Jun 28, 2025
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
136 Regency Park, O'Fallon, IL
Stay at this 3-star business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the clean rooms in our reviews. ...
6.2/10 (1,008 reviews)
"Nice and spacious room. Pool didn’t look as good as the pics but overall stay was good."
Reviewed on Jun 26, 2025
Quality Inn O'Fallon IL - St. Louis
1409 W US 50, O'Fallon, IL
Stay at this 3-star 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! (1,000 reviews)
"Good stay"
Reviewed on Jun 27, 2025
Extended Stay America Select Suites - St. Louis - O' Fallon, IL
154 Regency Park, O'Fallon, IL
Stay at this hotel in O'Fallon. Enjoy free WiFi, free parking, and laundry facilities. Our guests praise the helpful staff and the clean rooms in our reviews. ...
7.6/10 Good! (830 reviews)
"I only stayed one night was only there long enough to sleep and get back on the road but there was left over food in the fridge and water was leaking in the tub"
Reviewed on Jun 27, 2025
Hyatt Regency St. Louis at The Arch
315 Chestnut St, St. Louis, MO
Stay at this 4-star business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.4/10 Very Good! (3,832 reviews)
"Close to everything"
Reviewed on Jun 30, 2025
The Arch Convention Hotel
811 N 9th Street, St. Louis, MO
Stay at this 3.5-star business-friendly hotel in St. Louis. Enjoy free WiFi, a 24-hour fitness center, and parking (surcharge). Our guests praise the helpful ...
7/10 Good! (1,015 reviews)
"Very comfy and quiet"
Reviewed on Jun 25, 2025
Drury Plaza Hotel St. Louis at the Arch
2 South 4th Street, St. Louis, MO
Stay at this 3-star business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the pool ...
9.4/10 Exceptional! (2,806 reviews)
"Overall good. Would stay there again if in the area. Hallways on a few floors had trash and e en some dishes left on the floor. We were ghere only one nigbt but the stuff was there the whole time we were"
Reviewed on Jun 30, 2025
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.
Nearby Cities
Popular Flight Routes
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Top O'Fallon Hotels
- Super 8 by Wyndham O'Fallon
- La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
- Quality Inn O'Fallon IL - St. Louis
- Extended Stay America Select Suites - St. Louis - O' Fallon, IL
- Hyatt Regency St. Louis at The Arch
- The Arch Convention Hotel
- Moonrise Hotel
- Magnolia Hotel St. Louis, a Tribute Portfolio Hotel
- Hilton St. Louis at the Ballpark
- Casino Queen Hotel
- St. Louis Union Station Hotel, Curio Collection by Hilton
- Forest Park Hotel by MDR