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O'Fallon

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O'Fallon Flights as Low as $79

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

United
Wed, Apr 9 - Thu, Apr 10
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$79 Roundtrip, found 1 day ago
$79
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 9 from O'Hare Intl. to Lambert-St. Louis Intl., returning Thu, Apr 10, priced at $79 found 1 day ago
American Airlines
Wed, Apr 9 - Thu, Apr 10
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$86 Roundtrip, found 1 day ago
$86
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 9 from O'Hare Intl. to Lambert-St. Louis Intl., returning Thu, Apr 10, priced at $86 found 1 day ago
American Airlines
Wed, Apr 9 - Thu, Apr 10
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$91 Roundtrip, found 1 day ago
$91
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 9 from O'Hare Intl. to Lambert-St. Louis Intl., returning Thu, Apr 10, priced at $91 found 1 day ago
Southern Airways Express
Mon, Apr 7 - Sun, Apr 13
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$116 Roundtrip, found 1 day ago
$116
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Mon, Apr 7 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sun, Apr 13, priced at $116 found 1 day ago
Spirit Airlines
Tue, Apr 29 - Thu, May 8
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$151 Roundtrip, found 2 days ago
$151
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Tue, Apr 29 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Thu, May 8, priced at $151 found 2 days ago
Frontier Airlines
Tue, Mar 25 - Wed, Mar 26
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$154 Roundtrip, found 2 days ago
$154
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Mar 25 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Wed, Mar 26, priced at $154 found 2 days ago
Frontier Airlines
Wed, Apr 9 - Wed, Apr 30
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 5 days ago
$160
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, Apr 9 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Wed, Apr 30, priced at $160 found 5 days ago
Frontier Airlines
Mon, Mar 17 - Sun, Mar 30
LAS
Harry Reid Intl.
STL
Lambert-St. Louis Intl.
$175 Roundtrip, found 3 hours ago
$175
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Mon, Mar 17 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Mar 30, priced at $175 found 3 hours ago
Delta
Thu, Apr 24 - Sat, Apr 26
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$177 Roundtrip, found 4 days ago
$177
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Apr 24 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Apr 26, priced at $177 found 4 days ago
American Airlines
Sat, Apr 19 - Sun, Apr 20
HSV
Huntsville Intl.
STL
Lambert-St. Louis Intl.
$211 Roundtrip, found 5 days ago
$211
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Apr 19 from Huntsville Intl. to Lambert-St. Louis Intl., returning Sun, Apr 20, priced at $211 found 5 days ago
Frontier Airlines
Sun, Jul 13 - Mon, Jul 28
TUS
Tucson Intl.
STL
Lambert-St. Louis Intl.
$220 Roundtrip, found 5 hours ago
$220
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sun, Jul 13 from Tucson Intl. to Lambert-St. Louis Intl., returning Mon, Jul 28, priced at $220 found 5 hours ago
Delta
Wed, Apr 16 - Sat, Apr 19
CHO
Charlottesville-Albemarle
STL
Lambert-St. Louis Intl.
$243 Roundtrip, found 10 hours ago
$243
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Apr 16 from Charlottesville-Albemarle to Lambert-St. Louis Intl., returning Sat, Apr 19, priced at $243 found 10 hours ago
Delta
Wed, Apr 16 - Wed, Apr 16
GSP
Greenville-Spartanburg Intl.
STL
Lambert-St. Louis Intl.
$277 Roundtrip, found 9 hours ago
$277
Roundtrip
found 9 hours ago
Select Delta flight, departing Wed, Apr 16 from Greenville-Spartanburg Intl. to Lambert-St. Louis Intl., returning Wed, Apr 16, priced at $277 found 9 hours ago
United
Thu, May 22 - Sun, May 25
CRP
Corpus Christi Intl.
STL
Lambert-St. Louis Intl.
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 22 from Corpus Christi Intl. to Lambert-St. Louis Intl., returning Sun, May 25, priced at $334 found 1 day ago
Alaska Airlines
Wed, Mar 19 - Tue, Apr 1
LAS
Harry Reid Intl.
STL
Lambert-St. Louis Intl.
$563 Roundtrip, found 3 hours ago
$563
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Mar 19 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Tue, Apr 1, priced at $563 found 3 hours ago
Hawaiian Airlines
Mon, Mar 17 - Tue, Apr 1
LAS
Harry Reid Intl.
STL
Lambert-St. Louis Intl.
$609 Roundtrip, found 3 hours ago
$609
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Mon, Mar 17 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Tue, Apr 1, priced at $609 found 3 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 April, 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 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 $79, 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 $79 right now, why wait?

O'Fallon Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$79

Last Minute Hotel Deals in 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
The price is $102 per night from Mar 18 to Mar 19
$102
includes taxes & fees
Mar 18 - Mar 19
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 ...
8.6/10 Excellent! (1,001 reviews)
"Close to eating establishments, access from highway"

Reviewed on Mar 11, 2025

Sleep 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 $112 per night from Mar 23 to Mar 24
$112
includes taxes & fees
Mar 23 - Mar 24
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! (668 reviews)
"Nice hotel with friendly staff. Safe area with walkable restaurants/bars close by."

Reviewed on Mar 10, 2025

Holiday Inn Express St. Louis West - O'Fallon by IHG
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 $107 per night from Mar 30 to Mar 31
$107
includes taxes & fees
Mar 30 - Mar 31
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 ...
7.6/10 Good! (978 reviews)
Nice hotel
"Very nice hotel located convenient to the location of my visit."

Reviewed on Mar 1, 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
The price is $134 per night from Mar 23 to Mar 24
$134
includes taxes & fees
Mar 23 - Mar 24
Stay at this 3-star hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff in our reviews. Popular attractions ...
8.2/10 Very Good! (302 reviews)
"Love the staff. Great place to stay."

Reviewed on Mar 1, 2025

Staybridge Suites O'Fallon Chesterfield by IHG
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 $133 per night from Mar 25 to Mar 26
$133
includes taxes & fees
Mar 25 - Mar 26
Book a stay at this business-friendly hotel in Maryland Heights. Enjoy free parking, 7 restaurants, and a casino. Our guests praise the helpful staff and the ...
8.2/10 Very Good! (1,845 reviews)
"Good center hub with a lot to do in walking distance!"

Reviewed on Mar 7, 2025

Hollywood Casino & Hotel St. Louis
Sonesta ES Suites St. Louis - Chesterfield
Sonesta ES Suites St. Louis - Chesterfield
3 out of 5
15431 Conway Rd, Chesterfield, MO
The price is $108 per night from Mar 20 to Mar 21
$108
includes taxes & fees
Mar 20 - Mar 21
Stay at this hotel in Chesterfield. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean rooms in our reviews. ...
8/10 Very Good! (1,000 reviews)
"Great staff and very accommodating! Rooms are great for the price."

Reviewed on Mar 10, 2025

Sonesta ES Suites St. Louis - Chesterfield
Best Western St. Louis-Kirkwood Route 66
Best Western St. Louis-Kirkwood Route 66
2.5 out of 5
1200 S Kirkwood Road, Kirkwood, MO
The price is $101 per night from Mar 19 to Mar 20
$101
includes taxes & fees
Mar 19 - Mar 20
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 ...
8.6/10 Excellent! (1,071 reviews)
"I wanted to take a bath but the tub wasn’t very clean."

Reviewed on Mar 11, 2025

Best Western St. Louis-Kirkwood Route 66
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 $103 per night from Mar 16 to Mar 17
$103
includes taxes & fees
Mar 16 - Mar 17
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 ...
9/10 Wonderful! (1,000 reviews)
"Rooms were great and beds were comfortable. Staff was great and available. I would stay again. Only thing I asked for room service for the second day and it was never done when I got back to the hotel. Great food and dining area was big. We enjoyed our time. 5 stars"

Reviewed on Mar 9, 2025

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham
See all 894 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.