Cheap flights from O'Fallon

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Cheap round-trip flights from O'Fallon

The lowest prices found within the past 7 days from O'Fallon to were €154 for one-way flights and €349 for return flights, for the period specified. Prices and availability are subject to change. Additional terms apply.

O'Fallon Flight Information
Origin airport IATA code
STL

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Thinking about getting away for a while and leaving from O'Fallon? Visit Ebookers and discover our selection of inexpensive O'Fallon flights and air tickets from O'Fallon at unbelievable prices with a great choice of airlines - over 400 in fact. We give excellent service at an affordable price. For a great weekend away from O'Fallon, visit to Ebookers where we have many available flights departing O'Fallon on special offer. Check out our deals and find a flight leaving O'Fallon at a price you never imagined. These special Ebookers offers aren’t just about cheap flights. We have over 95,000 hotels worldwide in our database, so why not stay in a O'Fallon hotel and start or end your break in style? Combine your choice of flight, hotel and car rental from our vast, reliable database to create your perfect holiday or dream weekend at a discounted price with Ebookers. Don’t wait or you may be too late!

Featured Hotels near O'Fallon

Pear Tree Inn St. Louis Airport

Pear Tree Inn St. Louis Airport

2.5 out of 5
10810 Pear Tree Ln St. Ann MO
The price is €99 per night from 8 Jun to 9 Jun
€99
8 Jun - 9 Jun
includes taxes & fees
Our customers tell us that they enjoy the free breakfast at Pear Tree Inn St. Louis Airport. During your stay, you'll be close to Payne-Gentry Historical House. You'll find features such as free WiFi in public areas, free self-parking and a free round-trip airport shuttle.
9.4/10 Exceptional! (2,987 reviews)
Great all around experience for the price

Reviewed on 12 May 2026

Opens in a new windowPear Tree Inn St. Louis Airport
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
The price is €79 per night from 19 May to 20 May
€79
19 May - 20 May
includes taxes & fees
The free breakfast at Sleep Inn & Suites O'Fallon MO - Technology Drive gets good marks from our customers. During your stay, you'll be close to Weldon Spring Site Interpretive Center. Free WiFi in public areas, free self-parking and an indoor pool are available.
9/10 Wonderful! (1,001 reviews)
I requested an early check-in, and they made sure the type of room I booked would be available, so we really appreciated that! The room was clean, the air conditioning worked great, the beds were comfortable, there were plenty of pillows, the bathroom was well stocked with towels and soaps, the hot ...

Reviewed on 12 May 2026

Opens in a new windowSleep Inn & Suites O'Fallon MO - Technology Drive
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
The price is €101 per night from 17 May to 18 May
€101
17 May - 18 May
includes taxes & fees
Our customers tell us that they can't get enough of the helpful staff at Holiday Inn Express St. Louis West - O'Fallon by IHG. During your stay, you'll be close to Weldon Spring Site Interpretive Center. Features include free breakfast, free WiFi in public areas and free self-parking.
8.6/10 Excellent! (924 reviews)
The room was clean but shower head didn’t work the best. It was a quiet area! Breakfast was good and air conditioning kept the room cool

Reviewed on 11 May 2026

Opens in a new windowHoliday Inn Express St. Louis West - O'Fallon by IHG
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Hollywood Casino & Hotel St. Louis

Hollywood Casino & Hotel St. Louis

3.5 out of 5
777 Casino Center Drive Maryland Heights MO
The price is €109 per night from 1 Jun to 2 Jun
€109
1 Jun - 2 Jun
includes taxes & fees
Our customers tell us that they can't get enough of the helpful staff at Hollywood Casino & Hotel St. Louis. During your stay, you're just a quick walk from Hollywood Casino. Features include free self-parking and a free round-trip airport shuttle, plus 7 restaurants.
8.4/10 Very Good! (2,210 reviews)
Nice room, great central location. Need to be careful late at night in the parking lot.

Reviewed on 11 May 2026

Opens in a new windowHollywood Casino & Hotel St. Louis
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
The price is €87 per night from 17 May to 18 May
€87
17 May - 18 May
includes taxes & fees
The free breakfast at Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham gets high marks from our customers. During your stay, you'll be within walking distance of SSM Health St. Clare Hospital - Fenton. Free WiFi in public areas, free self-parking and an indoor pool are available.
8/10 Very Good! (1,271 reviews)
Towels had stains. Room smelled like Marijuana. Food was in the refrigerator

Reviewed on 12 May 2026

Opens in a new windowHeritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
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
The price is €79 per night from 8 Jun to 9 Jun
€79
8 Jun - 9 Jun
includes taxes & fees
Our customers tell us that they can't get enough of the helpful staff at Comfort Inn & Suites St. Louis - O'Fallon. During your stay, you'll be within walking distance of Bowlero St. Peters. Free breakfast, free WiFi in public areas and free self-parking are available.
7.6/10 Good! (1,004 reviews)
The front desk staff was asleep when we arrived there was a pull out sofa in room that we couldn't get a extra blanket or pillow for we are being charged full price and only stayed one night

Reviewed on 10 May 2026

Opens in a new windowComfort Inn & Suites St. Louis - O'Fallon
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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.