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O'Fallon

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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 , 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  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 Spirit of St. Louis 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 , 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  right now, why wait?

O'Fallon Flight Information
Destination airport
O'Fallon
Destination airport IATA code
STL

Last Minute Hotel Deals in O'Fallon

Holiday Inn Express St. Louis West - O'Fallon by IHG

Holiday Inn Express St. Louis West - O'Fallon by IHG

2.5 out of 5
1175 Technology Dr O'Fallon MO
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 in our reviews. ...
8.4/10 Very Good! (844 reviews)
Friendly staff, clean rooms, quiet

Reviewed on Dec 24, 2025

Holiday Inn Express St. Louis West - O'Fallon by IHG
Sleep Inn & Suites O'Fallon MO - Technology Drive

Sleep Inn & Suites O'Fallon MO - Technology Drive

2.5 out of 5
1147 Technology Drive O'Fallon MO
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.8/10 Excellent! (1,001 reviews)
The room was clean and quiet. breakfast was good.

Reviewed on Dec 16, 2025

Sleep Inn & Suites O'Fallon MO - Technology Drive
Hilton Garden Inn St. Louis/O'Fallon MO

Hilton Garden Inn St. Louis/O'Fallon MO

3 out of 5
2310 Technology Dr O'Fallon MO
Stay at this hotel in O'Fallon. Enjoy free WiFi, free parking, and breakfast (surcharge). Popular attractions 9-11 Memorial and August A. Busch Memorial Conservation ...
8.6/10 Excellent! (718 reviews)
Clean hotel and very courteous staff.

Reviewed on Dec 7, 2025

Hilton Garden Inn St. Louis/O'Fallon MO
Comfort Inn & Suites St. Louis - O'Fallon

Comfort Inn & Suites St. Louis - O'Fallon

2.5 out of 5
100 Comfort Inn Ct O'Fallon MO
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! (1,002 reviews)
The room was clean. The beds were comfortable. The lady at the front desk had a smile and was nice. Hot coffee available 24 hours a day. Well lighted property, I’m traveling with my two dachshunds. I would stay here again if I came through here.

Reviewed on Dec 18, 2025

Comfort Inn & Suites St. Louis - O'Fallon
Staybridge Suites O'Fallon Chesterfield by IHG

Staybridge Suites O'Fallon Chesterfield by IHG

3 out of 5
1155 Technology Drive O'Fallon MO
Stay at this hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions Weldon ...
8.4/10 Very Good! (407 reviews)
Great layout of the room- comfortable and clean

Reviewed on Nov 28, 2025

Staybridge Suites O'Fallon Chesterfield by IHG
Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

3 out of 5
1088 South Highway Drive Fenton MO
Book a stay at this business-friendly hotel in Fenton. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
7.8/10 Good! (1,051 reviews)
*

Reviewed on Dec 21, 2025

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
Renaissance St. Louis Airport Hotel

Renaissance St. Louis Airport Hotel

4 out of 5
9801 Natural Bridge Road St. Louis MO
Book a stay at this business-friendly hotel in St. Louis. Enjoy an outdoor pool, breakfast (surcharge), and a free airport shuttle. Our guests praise the helpful ...
8.4/10 Very Good! (1,057 reviews)
Room was

Reviewed on Dec 13, 2025

Renaissance St. Louis Airport Hotel
Best Western St. Louis-Kirkwood Route 66

Best Western St. Louis-Kirkwood Route 66

3.5 out of 5
1200 S Kirkwood Road Kirkwood MO
Book a stay at this business-friendly hotel in Kirkwood. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
8.2/10 Very Good! (1,372 reviews)
Excellent staff , location was great but the breakfast wasn’t very good

Reviewed on Dec 15, 2025

Best Western St. Louis-Kirkwood Route 66
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.