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O'Fallon

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O'Fallon Flights as Low as $72

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

Frontier Airlines
Thu, Aug 21 - Thu, Aug 28
DFW
Dallas-Fort Worth Intl.
STL
Lambert-St. Louis Intl.
$72 Roundtrip, found 2 days ago
$72
Roundtrip
found 2 days 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 $72 found 2 days ago
Spirit Airlines
Mon, Aug 25 - Thu, Sep 4
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$140 Roundtrip, found 8 hours ago
$140
Roundtrip
found 8 hours ago
Select Spirit Airlines flight, departing Mon, Aug 25 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $140 found 8 hours ago
Spirit Airlines
Sun, Aug 31 - Sun, Sep 7
BOS
Logan Intl.
STL
Lambert-St. Louis Intl.
$151 Roundtrip, found 3 days ago
$151
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Sun, Aug 31 from Logan Intl. to Lambert-St. Louis Intl., returning Sun, Sep 7, priced at $151 found 3 days ago
Spirit Airlines
Sun, Aug 17 - Mon, Aug 18
PHL
Philadelphia Intl.
STL
Lambert-St. Louis Intl.
$169 Roundtrip, found 3 days ago
$169
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Sun, Aug 17 from Philadelphia Intl. to Lambert-St. Louis Intl., returning Mon, Aug 18, priced at $169 found 3 days ago
Delta
Sat, Sep 27 - Sat, Sep 27
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$174 Roundtrip, found 3 hours ago
$174
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Sep 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Sat, Sep 27, priced at $174 found 3 hours ago
American Airlines
Tue, Sep 2 - Thu, Sep 4
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$177 Roundtrip, found 3 days ago
$177
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Sep 2 from LaGuardia to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $177 found 3 days ago
American Airlines
Wed, Aug 27 - Wed, Sep 3
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$179 Roundtrip, found 4 days ago
$179
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Aug 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Wed, Sep 3, priced at $179 found 4 days ago
Spirit Airlines
Thu, Sep 4 - Thu, Sep 4
TPA
Tampa Intl.
STL
Lambert-St. Louis Intl.
$183 Roundtrip, found 3 days ago
$183
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Thu, Sep 4 from Tampa Intl. to Lambert-St. Louis Intl., returning Thu, Sep 4, priced at $183 found 3 days ago
United
Wed, Aug 27 - Wed, Sep 3
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$188 Roundtrip, found 4 days ago
$188
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 27 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Wed, Sep 3, priced at $188 found 4 days ago
Delta
Tue, Oct 14 - Tue, Oct 21
DAL
Love Field
STL
Lambert-St. Louis Intl.
$197 Roundtrip, found 3 days ago
$197
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Oct 14 from Love Field to Lambert-St. Louis Intl., returning Tue, Oct 21, priced at $197 found 3 days ago
Spirit Airlines
Wed, Sep 3 - Sun, Sep 21
LAS
Harry Reid Intl.
STL
Lambert-St. Louis Intl.
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Wed, Sep 3 from Harry Reid Intl. to Lambert-St. Louis Intl., returning Sun, Sep 21, priced at $214 found 1 day ago
Hawaiian Airlines
Mon, Sep 29 - Tue, Sep 30
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$227 Roundtrip, found 3 hours ago
$227
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Mon, Sep 29 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Tue, Sep 30, priced at $227 found 3 hours ago
Frontier Airlines
Thu, Oct 16 - Fri, Oct 17
TTN
Mercer
STL
Lambert-St. Louis Intl.
$228 Roundtrip, found 1 day ago
$228
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Oct 16 from Mercer to Lambert-St. Louis Intl., returning Fri, Oct 17, priced at $228 found 1 day ago
Alaska Airlines
Fri, Sep 26 - Tue, Sep 30
SEA
Seattle - Tacoma Intl.
STL
Lambert-St. Louis Intl.
$231 Roundtrip, found 3 hours ago
$231
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Fri, Sep 26 from Seattle - Tacoma Intl. to Lambert-St. Louis Intl., returning Tue, Sep 30, priced at $231 found 3 hours ago
Delta
Wed, Aug 27 - Wed, Sep 3
EUG
Eugene
STL
Lambert-St. Louis Intl.
$274 Roundtrip, found 7 hours ago
$274
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Aug 27 from Eugene to Lambert-St. Louis Intl., returning Wed, Sep 3, priced at $274 found 7 hours ago
Bargain Flight
Sun, Aug 31 - Sat, Sep 6
PAE
Seattle Paine Field Intl. Airport
STL
Lambert-St. Louis Intl.
$536 Roundtrip, found 3 days ago
$536
Roundtrip
found 3 days 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 $536 found 3 days 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 Lambert-St. Louis Intl. 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 $72, 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 $72 right now, why wait?

O'Fallon Flight Information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Roundtrip price
$72

Last Minute Hotel Deals in O'Fallon

Super 8 by Wyndham O'Fallon

Super 8 by Wyndham O'Fallon

2 out of 5
1100 Eastgate Dr, O'Fallon, IL
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 ...
7.4/10 Good! (1,030 reviews)
"Friendly staff and helpful"

Reviewed on Jul 26, 2025

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Super 8 by Wyndham O'Fallon
La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis

La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis

3 out of 5
136 Regency Park, O'Fallon, IL
Stay at this 3-star business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the clean rooms in our reviews. ...
6/10 (1,006 reviews)
Honest review
"Room was clean and everything else. However the smell when you go through those doors are not the best, stink really bad."

Reviewed on Jun 30, 2025

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La Quinta Inn & Suites by Wyndham O'Fallon, IL - St. Louis
Drury Inn & Suites St. Louis O'Fallon, IL

Drury Inn & Suites St. Louis O'Fallon, IL

3 out of 5
1118 Central Park Drive, O'Fallon, IL
Stay at this 3-star business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff ...
9.4/10 Exceptional! (1,016 reviews)
"Nice location"

Reviewed on Jul 25, 2025

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Drury Inn & Suites St. Louis O'Fallon, IL
Hilton Garden Inn St. Louis Shiloh/O'Fallon IL

Hilton Garden Inn St. Louis Shiloh/O'Fallon IL

3 out of 5
360 Regency Park Drive, O'Fallon, IL
Stay at this 3-star business-friendly hotel in O'Fallon. Enjoy free WiFi, free parking, and room service. Our guests praise the helpful staff in our reviews. ...
8/10 Very Good! (896 reviews)
"Love this place!!! 5***** no doubt!!!"

Reviewed on Jul 16, 2025

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Hilton Garden Inn St. Louis Shiloh/O'Fallon IL
Sleep Inn O'Fallon near I-64

Sleep Inn O'Fallon near I-64

2.5 out of 5
140 Venita Dr, O'Fallon, IL
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 ...
7/10 Good! (796 reviews)
"Was ok housekeeping service was great"

Reviewed on Jul 23, 2025

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Sleep Inn O'Fallon near I-64
Baymont by Wyndham O'Fallon St. Louis Area

Baymont by Wyndham O'Fallon St. Louis Area

2.5 out of 5
1320 Park Plaza Drive, O'Fallon, IL
Book a stay at this business-friendly hotel in O'Fallon. Enjoy free breakfast, free WiFi, and free parking. Popular attractions O'Fallon Family Sports Park and ...
5.4/10 (389 reviews)
"It was an ok stay,breakfast wasntcall that great the pricing wasnt to bad,fridge ran and dripped all night,bed was comfortable...price wasnt to bad,overall it was a decent hotel"

Reviewed on Jun 29, 2025

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Baymont by Wyndham O'Fallon St. Louis Area
Hyatt Regency St. Louis at The Arch

Hyatt Regency St. Louis at The Arch

4 out of 5
315 Chestnut St, St. Louis, MO
Stay at this 4-star business-friendly hotel in St. Louis. Enjoy free WiFi, 3 restaurants, and 2 bars/lounges. Our guests praise the helpful staff and the clean ...
8.4/10 Very Good! (3,900 reviews)
"Wonderful, spacious corner room with an Arch view. Carpet in the hallways is a bit worn and stained but otherwise a nice stay. The hotel is a bit of a challenge to get to on Cardinal game day even though we were 4 hours early to check in. We used valet parking and the valet staff were literally running ..."

Reviewed on Jul 28, 2025

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Hyatt Regency St. Louis at The Arch
Drury Plaza Hotel St. Louis at the Arch

Drury Plaza Hotel St. Louis at the Arch

3 out of 5
2 South 4th Street, St. Louis, MO
Stay at this 3-star business-friendly hotel in St. Louis. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the pool ...
9.4/10 Exceptional! (2,900 reviews)
"No complaints at all! Every staff member we interacted with were friendly, provided excellent customer service, and were knowledgeable and helpful. Superb experience!! Highly recommend!"

Reviewed on Jul 27, 2025

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Drury Plaza Hotel St. Louis at the Arch
See all 1,332 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.