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O'Fallon

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O'Fallon Flights as Low as $119

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

Frontier Airlines
Sat, Jul 26 - Sat, Aug 2
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 4 days ago
$119
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jul 26 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $119 found 4 days ago
Frontier Airlines
Sat, Jun 14 - Sun, Jun 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$136 Roundtrip, found 4 days ago
$136
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jun 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sun, Jun 22, priced at $136 found 4 days ago
Delta
Sun, Jun 15 - Sun, Jun 29
JAX
Jacksonville Intl.
STL
Lambert-St. Louis Intl.
$179 Roundtrip, found 1 day ago
$179
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Jun 15 from Jacksonville Intl. to Lambert-St. Louis Intl., returning Sun, Jun 29, priced at $179 found 1 day ago
Frontier Airlines
Wed, May 14 - Fri, May 16
ONT
Los Angeles - Ontario Intl.
STL
Lambert-St. Louis Intl.
$190 Roundtrip, found 2 days ago
$190
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, May 14 from Los Angeles - Ontario Intl. to Lambert-St. Louis Intl., returning Fri, May 16, priced at $190 found 2 days ago
American Airlines
Sat, Jul 5 - Tue, Jul 8
JAX
Jacksonville Intl.
STL
Lambert-St. Louis Intl.
$209 Roundtrip, found 20 hours ago
$209
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Sat, Jul 5 from Jacksonville Intl. to Lambert-St. Louis Intl., returning Tue, Jul 8, priced at $209 found 20 hours ago
Frontier Airlines
Tue, May 13 - Sat, May 24
SLC
Salt Lake City Intl.
STL
Lambert-St. Louis Intl.
$210 Roundtrip, found 3 days ago
$210
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Tue, May 13 from Salt Lake City Intl. to Lambert-St. Louis Intl., returning Sat, May 24, priced at $210 found 3 days ago
Bargain Flight
Tue, May 20 - Sun, May 25
CMH
John Glenn Columbus Intl.
STL
Lambert-St. Louis Intl.
$211 Roundtrip, found 1 day ago
$211
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Tue, May 20 from John Glenn Columbus Intl. to Lambert-St. Louis Intl., returning Sun, May 25, priced at $211 found 1 day ago
Bargain Flight
Tue, Jun 17 - Fri, Jun 20
PIT
Pittsburgh Intl.
STL
Lambert-St. Louis Intl.
$216 Roundtrip, found 9 hours ago
$216
Roundtrip
found 9 hours ago
Select Bargain Flight flight, departing Tue, Jun 17 from Pittsburgh Intl. to Lambert-St. Louis Intl., returning Fri, Jun 20, priced at $216 found 9 hours ago
Frontier Airlines
Thu, May 15 - Wed, May 21
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$221 Roundtrip, found 3 days ago
$221
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Thu, May 15 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Wed, May 21, priced at $221 found 3 days ago
Spirit Airlines
Sat, May 17 - Thu, May 22
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$231 Roundtrip, found 5 days ago
$231
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Sat, May 17 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Thu, May 22, priced at $231 found 5 days ago
Frontier Airlines
Mon, May 5 - Wed, May 7
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$239 Roundtrip, found 8 hours ago
$239
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Mon, May 5 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Wed, May 7, priced at $239 found 8 hours ago
United
Sat, May 3 - Mon, May 5
FNT
Bishop Intl.
STL
Lambert-St. Louis Intl.
$293 Roundtrip, found 17 hours ago
$293
Roundtrip
found 17 hours ago
Select United flight, departing Sat, May 3 from Bishop Intl. to Lambert-St. Louis Intl., returning Mon, May 5, priced at $293 found 17 hours ago
Alaska Airlines
Sat, May 24 - Wed, May 28
ONT
Los Angeles - Ontario Intl.
STL
Lambert-St. Louis Intl.
$441 Roundtrip, found 3 days ago
$441
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, May 24 from Los Angeles - Ontario Intl. to Lambert-St. Louis Intl., returning Wed, May 28, priced at $441 found 3 days ago
Delta
Sat, May 24 - Wed, May 28
YXE
John G. Diefenbaker Intl.
STL
Lambert-St. Louis Intl.
$601 Roundtrip, found 21 hours ago
$601
Roundtrip
found 21 hours ago
Select Delta flight, departing Sat, May 24 from John G. Diefenbaker Intl. to Lambert-St. Louis Intl., returning Wed, May 28, priced at $601 found 21 hours ago
Air Canada
Wed, May 21 - Tue, May 27
YXE
John G. Diefenbaker Intl.
STL
Lambert-St. Louis Intl.
$890 Roundtrip, found 21 hours ago
$890
Roundtrip
found 21 hours ago
Select Air Canada flight, departing Wed, May 21 from John G. Diefenbaker Intl. to Lambert-St. Louis Intl., returning Tue, May 27, priced at $890 found 21 hours ago
WestJet
Wed, May 21 - Tue, May 27
YXE
John G. Diefenbaker Intl.
STL
Lambert-St. Louis Intl.
$1,012 Roundtrip, found 21 hours ago
$1,012
Roundtrip
found 21 hours ago
Select WestJet flight, departing Wed, May 21 from John G. Diefenbaker Intl. to Lambert-St. Louis Intl., returning Tue, May 27, priced at $1,012 found 21 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 14 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 $119, 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 $119 right now, why wait?

O'Fallon Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$119

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
The price is $124 per night from May 4 to May 5
$124
includes taxes & fees
May 4 - May 5
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! (694 reviews)
"Clean room, comfy bed. Very good breakfast!"

Reviewed on Apr 28, 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
The price is $102 per night from May 4 to May 5
$102
includes taxes & fees
May 4 - May 5
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! (1,000 reviews)
"Easily accessible from I-64. Breakfast choices were outstanding."

Reviewed on Apr 26, 2025

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
The price is $134 per night from May 18 to May 19
$134
includes taxes & fees
May 18 - May 19
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! (317 reviews)
"Everything was just fine!!"

Reviewed on Apr 28, 2025

Staybridge Suites O'Fallon Chesterfield 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 May 3 to May 4
$107
includes taxes & fees
May 3 - May 4
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! (1,000 reviews)
"The hotel is becoming dated. Cracks in drywall, grout coming out of tile flooring, window coverings in need of attention, room door security in need of repair. We were comfortable, but, it seemed like the place was just going thru the motions with no repairs being done."

Reviewed on Apr 28, 2025

Comfort Inn & Suites St. Louis - 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 $106 per night from May 7 to May 8
$106
includes taxes & fees
May 7 - May 8
Book a stay at this business-friendly hotel in St. Ann. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.2/10 Wonderful! (2,553 reviews)
"Very happy with my stay and the shuttle service was so easy!"

Reviewed on Apr 28, 2025

Pear Tree Inn St. Louis Airport
Renaissance St. Louis Airport Hotel
Renaissance St. Louis Airport Hotel
4 out of 5
9801 Natural Bridge Road, St. Louis, MO
The price is $138 per night from May 23 to May 24
$138
includes taxes & fees
May 23 - May 24
Stay at this 4-star 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! (1,000 reviews)
"The stay was perfect in every way for a quick stop while heading to the airport. Will definitely stay again (hopefully soon) lol"

Reviewed on Apr 27, 2025

Renaissance St. Louis Airport Hotel
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 $130 per night from May 4 to May 5
$130
includes taxes & fees
May 4 - May 5
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! (1,883 reviews)
"The room was very nice and clean. Unfortunately I had a very loud neighbor who woke me up several times. The security staff only asked her if she was “okay” and didn’t tell her to be quiet since she’s disturbing others. I had to come out and tell them that wasn’t right."

Reviewed on Apr 29, 2025

Hollywood Casino & Hotel St. Louis
Ameristar Casino Resort and Spa
Ameristar Casino Resort and Spa
4.5 out of 5
1 Ameristar Blvd, St. Charles, MO
The price is $214 per night from May 4 to May 5
$214
includes taxes & fees
May 4 - May 5
Stay at this 4.5-star luxury hotel in St. Charles. Enjoy an outdoor pool, a full-service spa, and 6 restaurants. Our guests praise the clean rooms and the property ...
8.2/10 Very Good! (1,001 reviews)
"We were very disappointed the pool was not available after stating the pool was available on your web site"

Reviewed on Apr 29, 2025

Ameristar Casino Resort and Spa
See all 906 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.