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O'Fallon

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O'Fallon Flights as Low as $60

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

Spirit Airlines
Sun, Aug 17 - Sun, Aug 17
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$60 Roundtrip, found 17 hours ago
$60
Roundtrip
found 17 hours ago
Select Spirit Airlines flight, departing Sun, Aug 17 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Sun, Aug 17, priced at $60 found 17 hours ago
Spirit Airlines
Thu, Aug 14 - Fri, Aug 15
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$70 Roundtrip, found 3 hours ago
$70
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Thu, Aug 14 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Fri, Aug 15, priced at $70 found 3 hours ago
United
Tue, Sep 9 - Mon, Sep 15
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$77 Roundtrip, just found
$77
Roundtrip
just found
Select United flight, departing Tue, Sep 9 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Sep 15, priced at $77 just found
Frontier Airlines
Thu, Aug 14 - Sun, Aug 17
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$84 Roundtrip, found 11 hours ago
$84
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Thu, Aug 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sun, Aug 17, priced at $84 found 11 hours ago
American Airlines
Tue, Sep 9 - Mon, Sep 15
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$91 Roundtrip, just found
$91
Roundtrip
just found
Select American Airlines flight, departing Tue, Sep 9 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Sep 15, priced at $91 just found
Frontier Airlines
Tue, Sep 30 - Sat, Oct 4
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$112 Roundtrip, found 14 hours ago
$112
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Tue, Sep 30 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 4, priced at $112 found 14 hours ago
Frontier Airlines
Thu, Aug 21 - Thu, Aug 28
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 8 hours ago
$119
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Dallas-Fort Worth Intl. to Lambert-St. Louis Intl., returning Thu, Aug 28, priced at $119 found 8 hours ago
Delta
Sun, Oct 19 - Mon, Oct 20
DTW
Detroit Metropolitan Wayne County
STL
Lambert-St. Louis Intl.
$119 Roundtrip, found 17 hours ago
$119
Roundtrip
found 17 hours ago
Select Delta flight, departing Sun, Oct 19 from Detroit Metropolitan Wayne County to Lambert-St. Louis Intl., returning Mon, Oct 20, priced at $119 found 17 hours ago
Spirit Airlines
Thu, Aug 14 - Fri, Aug 15
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$156 Roundtrip, found 8 hours ago
$156
Roundtrip
found 8 hours ago
Select Spirit Airlines flight, departing Thu, Aug 14 from Logan Intl. to Lambert-St. Louis Intl., returning Fri, Aug 15, priced at $156 found 8 hours ago
American Airlines
Wed, Aug 27 - Thu, Sep 4
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$174 Roundtrip, found 4 hours ago
$174
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Aug 27 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $174 found 4 hours ago
Delta
Tue, Aug 26 - Tue, Sep 2
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$178 Roundtrip, found 3 hours ago
$178
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Aug 26 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Tue, Sep 2, priced at $178 found 3 hours ago
Southern Airways Express
Fri, Oct 3 - Mon, Oct 6
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$185 Roundtrip, found 5 hours ago
$185
Roundtrip
found 5 hours ago
Select Southern Airways Express flight, departing Fri, Oct 3 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Oct 6, priced at $185 found 5 hours ago
Delta
Tue, Aug 26 - Tue, Aug 26
DAL
Love Field
STL
Lambert-St. Louis Intl.
$192 Roundtrip, found 8 hours ago
$192
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Aug 26 from Love Field to Lambert-St. Louis Intl., returning Tue, Aug 26, priced at $192 found 8 hours ago
Alaska Airlines
Tue, Aug 26 - Tue, Sep 2
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$219 Roundtrip, found 3 hours ago
$219
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Tue, Aug 26 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Tue, Sep 2, priced at $219 found 3 hours ago
American Airlines
Wed, Jul 30 - Tue, Aug 12
CLT
Charlotte-Douglas Intl.
STL
Lambert-St. Louis Intl.
$240 Roundtrip, found 15 hours ago
$240
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Jul 30 from Charlotte-Douglas Intl. to Lambert-St. Louis Intl., returning Tue, Aug 12, priced at $240 found 15 hours ago
Bargain Flight
Sun, Aug 31 - Sat, Sep 6
PAE
Seattle Paine Field Intl. Airport
STL
Lambert-St. Louis Intl.
$464 Roundtrip, found 22 hours ago
$464
Roundtrip
found 22 hours ago
Select Bargain Flight flight, departing Sun, Aug 31 from Seattle Paine Field Intl. Airport to Lambert-St. Louis Intl., returning Sat, Sep 6, priced at $464 found 22 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 August, 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 15 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 $60, 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 $60 right now, why wait?

O'Fallon Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$60

Last Minute Hotel Deals in O'Fallon

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 ...
7.6/10 Good! (1,002 reviews)
"I enjoyed my stay. The hotel was quiet. The breakfast was not too appetizing but that was not a big deal. Instead of the eggs they served, I feel like they could offer scrambled eggs instead. The sausage and biscuits were delicious but the sausage gravy was not good, but I could be biased because ..."

Reviewed on Jul 14, 2025

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Comfort Inn & Suites St. Louis - 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! (735 reviews)
"I had a great stay"

Reviewed on Jul 6, 2025

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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! (1,007 reviews)
"Very nice property. Clean and comfortable. Staff was very nice. Breakfast was adequate for our needs."

Reviewed on Jul 18, 2025

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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
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! (359 reviews)
"Awesome"

Reviewed on Jul 12, 2025

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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 ...
8.4/10 Very Good! (1,006 reviews)
"Clean and comfortable stay."

Reviewed on Jul 14, 2025

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

Hollywood Casino & Hotel St. Louis

3.5 out of 5
777 Casino Center Drive, Maryland Heights, MO
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! (1,994 reviews)
"I liked the 2 staff members I had a conversation with. (Maya and Bill). I made Maya aware of a couple things in our room that were not satisfactory (One was that the floors were NOT cleaned at all and the other was the shower had mold/mildew in the corners). Maya gave us a $25 room credit to use, ..."

Reviewed on Jul 20, 2025

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Hollywood Casino & Hotel St. Louis
Renaissance St. Louis Airport Hotel

Renaissance St. Louis Airport Hotel

4 out of 5
9801 Natural Bridge Road, St. Louis, MO
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 ...
8.2/10 Very Good! (1,008 reviews)
"I didn’t like that I had to pay for parking and there was no valet. I was there with 6 children and luggage and we had to walk a very long way."

Reviewed on Jul 20, 2025

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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
Stay at this 3.5-star business-friendly hotel in Kirkwood. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
8.4/10 Very Good! (1,204 reviews)
I will go back
"The experience of staying here was great, from the check in experience and all throughout. Staff always accommodating and very pleasant."

Reviewed on Jul 18, 2025

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Best Western St. Louis-Kirkwood Route 66
See all 936 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.