O'Fallon Vacations

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O'Fallon Hotel Deals

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
Fully refundableReserve now, pay when you stay
The price is AED 257 per night from Feb 20 to Feb 21
AED 257
AED 303 total
20 Feb - 21 Feb
includes taxes & fees
7.4/10 Good! (1,001 reviews)
Its an older hotel that needs some love. But definitely clean. Bathroom and room was spotless. Even the corners. Nice hot breakfast. Great value. Pool very small. But definitely not a deal breaker. Would definitely stay again. Check in was fast!

Reviewed on 19 January 2026

Comfort Inn & Suites St. Louis - O'Fallon
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
Fully refundable
The price is AED 291 per night from Feb 11 to Feb 12
AED 291
AED 343 total
11 Feb - 12 Feb
includes taxes & fees
8.8/10 Excellent! (1,001 reviews)
Friendly staff, clean room, comfy bed, excellent breakfast buffet.

Reviewed on 3 February 2026

Sleep Inn & Suites O'Fallon MO - Technology Drive
Staybridge Suites O'Fallon Chesterfield by IHG

Staybridge Suites O'Fallon Chesterfield by IHG

3 out of 5
1155 Technology Drive O'Fallon MO
Fully refundable
The price is AED 411 per night from Feb 21 to Feb 22
AED 411
AED 485 total
21 Feb - 22 Feb
includes taxes & fees
8.4/10 Very Good! (414 reviews)
Very friendly staff and accommodations. We were given a welcome bag when we arrived and one when we left. It was awesome!

Reviewed on 30 January 2026

Staybridge Suites O'Fallon Chesterfield by IHG
See all 956 properties in O'Fallon
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.

Discover the most popular places to visit in O'Fallon

Union Station, St. Louis, MO

St. Louis Union Station

4/5(615 reviews)

You can learn about the local history of St. Louis when you make a stop at a well-known site like St. Louis Union Station. Experience the area's great live music or attend a baseball game.

St. Louis Union Station
Aerial view of vibrant downtown St. Louis with Enterprise Center and St. Louis Wheel, St. Louis, Missouri, United States.

Enterprise Center

4.5/5(491 reviews)

Catch an event at Enterprise Center during your trip to St. Louis. Experience the area's fascinating museums or attend a baseball game.

Enterprise Center
St. Louis, Missouri - 08.22.2021 - Brookings Hall on the Danforth Campus of Washington University in St. Louis.

Washington University in St. Louis

4.5/5(479 reviews)

Enjoy the collegiate vibe at Washington University in St. Louis during your stay in St. Louis. Amble around the area's lush forest or attend a sporting event.

Washington University in St. Louis

Frequently asked questions

How do I find cheap flights to O'Fallon that have flexible change policies?
When it comes to traveling these days, flexibility is essential. That's why we have a "No change fee" filter to help you locate cheap, flexible flights to O'Fallon. It's at the top left of your screen under the "Flexible change policies" heading.
Which airlines fly to O'Fallon?
There are two top airlines with flights to or near O'Fallon. Pack your suitcase and take off with either of these:

  • American Airlines - 927 flights to or near O'Fallon each month, including 927 flights to Lambert-St. Louis Intl. Airport (STL) per month.
  • United Airlines - 524 flights to or near O'Fallon each month, including 524 flights to Lambert-St. Louis Intl. Airport (STL) per month.

How can I find cheap tickets to O'Fallon?
You'll always nab an awesome deal with Expedia, but our "flexible dates" search function makes it even easier. Enter your preferred travel date, then click on the flexible dates box above to see the cheapest prices for nearby days. was the cheapest price for a flight to O'Fallon in the last seven days.
How much is a flight to O'Fallon?
You could have snapped up a return ticket to O'Fallon from anywhere between and in the last seven days. For one-way journeys leaving from (), the lowest amount paid during this time was .
What are the most popular airports to fly into in O'Fallon?
Start organizing your O'Fallon getaway by booking a seat on one of the 5,604 flights a month to Lambert-St. Louis Intl. Airport (STL). This is the region's main gateway.
When is the cheapest time to fly to O'Fallon?
If you'd rather spend your hard-earned vacation dollars experiencing O'Fallon rather than on your trip there, take off earlier in the week. The most affordable day to fly is generally Tuesday, with Monday close behind. With many folks traveling over the weekend, Saturday tends to have the costliest airfares.
How much is a plane ticket to O'Fallon?
In the last seven days, airfares varied between and . Swipe through our fantastic deals to O'Fallon, make a booking and then start packing!
What months are the cheapest to book a flight to O'Fallon?
February is a cheap month to purchase a seat for your O'Fallon trip. Fares are at their most expensive throughout the festive month of December, so keep clear of this time if possible.
How long is a flight to O'Fallon?
Flight times can vary for many different reasons, including where you're jetting off from. Here is a list of average flight times for a few of the most in-demand domestic routes to O'Fallon:

  • Denver, CO (DEN-Denver Intl.) to Lambert-St. Louis Intl. Airport (STL) - 2 hours and 1 minute
  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 24 minutes
  • New York, NY (LGA-LaGuardia) to Lambert-St. Louis Intl. Airport (STL) - 2 hours and 51 minutes