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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.

Frontier Airlines
Wed, May 7 - Sat, May 10
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$79 Roundtrip, found 6 days ago
$79
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, May 7 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 10, priced at $79 found 6 days ago
Frontier Airlines
Sat, May 10 - Sat, May 10
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$79 Roundtrip, found 6 days ago
$79
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, May 10 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 10, priced at $79 found 6 days ago
Frontier Airlines
Fri, May 9 - Sat, May 10
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$124 Roundtrip, found 6 days ago
$124
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, May 9 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, May 10, priced at $124 found 6 days ago
Frontier Airlines
Sat, May 17 - Sat, May 24
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$175 Roundtrip, found 2 hours ago
$175
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, May 17 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, May 24, priced at $175 found 2 hours ago
Southern Airways Express
Thu, May 15 - Sun, May 25
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$178 Roundtrip, found 2 hours ago
$178
Roundtrip
found 2 hours ago
Select Southern Airways Express flight, departing Thu, May 15 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sun, May 25, priced at $178 found 2 hours ago
Frontier Airlines
Thu, May 1 - Wed, May 14
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$188 Roundtrip, found 6 days ago
$188
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, May 1 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Wed, May 14, priced at $188 found 6 days ago
Frontier Airlines
Wed, May 14 - Fri, May 16
ONT
Los Angeles - Ontario Intl.
STL
Lambert-St. Louis Intl.
$190 Roundtrip, found 10 hours ago
$190
Roundtrip
found 10 hours 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 10 hours ago
Delta
Sun, May 25 - Wed, May 28
LEX
Blue Grass
STL
Lambert-St. Louis Intl.
$202 Roundtrip, found 1 day ago
$202
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, May 25 from Blue Grass to Lambert-St. Louis Intl., returning Wed, May 28, priced at $202 found 1 day ago
United
Sun, May 25 - Wed, May 28
LEX
Blue Grass
STL
Lambert-St. Louis Intl.
$202 Roundtrip, found 1 day ago
$202
Roundtrip
found 1 day ago
Select United flight, departing Sun, May 25 from Blue Grass to Lambert-St. Louis Intl., returning Wed, May 28, priced at $202 found 1 day ago
American Airlines
Fri, May 30 - Mon, Jun 9
DCA
Ronald Reagan Washington National
STL
Lambert-St. Louis Intl.
$208 Roundtrip, found 18 hours ago
$208
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Fri, May 30 from Ronald Reagan Washington National to Lambert-St. Louis Intl., returning Mon, Jun 9, priced at $208 found 18 hours ago
Delta
Sat, May 24 - Tue, May 27
LEX
Blue Grass
STL
Lambert-St. Louis Intl.
$214 Roundtrip, found 17 hours ago
$214
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, May 24 from Blue Grass to Lambert-St. Louis Intl., returning Tue, May 27, priced at $214 found 17 hours ago
Frontier Airlines
Thu, May 1 - Sat, May 10
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$217 Roundtrip, found 2 days ago
$217
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, May 1 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sat, May 10, priced at $217 found 2 days ago
United
Tue, Aug 12 - Wed, Aug 13
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 12 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Wed, Aug 13, priced at $221 found 1 day ago
Delta
Wed, Jun 18 - Wed, Jun 18
DAL
Love Field
STL
Lambert-St. Louis Intl.
$280 Roundtrip, found 10 hours ago
$280
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Jun 18 from Love Field to Lambert-St. Louis Intl., returning Wed, Jun 18, priced at $280 found 10 hours ago
Alaska Airlines
Sat, May 24 - Wed, May 28
ONT
Los Angeles - Ontario Intl.
STL
Lambert-St. Louis Intl.
$441 Roundtrip, found 1 day ago
$441
Roundtrip
found 1 day 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 1 day ago
Hawaiian Airlines
Sat, May 3 - Sun, May 11
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$714 Roundtrip, found 2 days ago
$714
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, May 3 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Sun, May 11, priced at $714 found 2 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 May, 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 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 $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
$78

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
The price is $61 per night from May 11 to May 12
$61
includes taxes & fees
May 11 - May 12
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)
"Not as horrible as expected"

Reviewed on Apr 19, 2025

Super 8 by Wyndham O'Fallon
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
The price is $123 per night from May 4 to May 5
$123
includes taxes & fees
May 4 - May 5
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! (1,008 reviews)
"Very happy with our stay at Drury Motel. Loved the evening drinks and appetizers. Room was very clean and staff was very pleasant."

Reviewed on Apr 29, 2025

Drury Inn & Suites St. Louis O'Fallon, IL
Quality Inn O'Fallon IL - St. Louis
Quality Inn O'Fallon IL - St. Louis
3 out of 5
1409 W US 50, O'Fallon, IL
The price is $73 per night from May 5 to May 6
$73
includes taxes & fees
May 5 - May 6
Stay at this 3-star 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! (948 reviews)
"Everything was surface clean, like behind the bed and the edges of the carpet could use more attention. Over all it was fine for a quick over night stay while family was in the hospital."

Reviewed on Apr 16, 2025

Quality Inn O'Fallon IL - St. Louis
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
The price is $116 per night from May 4 to May 5
$116
includes taxes & fees
May 4 - May 5
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! (850 reviews)
Fresh & Clean
"The entrance way is always clean and smells so fresh! Friendly service, room is always available perfect location right off the highway"

Reviewed on Apr 28, 2025

Hilton Garden Inn St. Louis Shiloh/O'Fallon IL
Holiday Inn Express & Suites - O'Fallon /Shiloh by IHG
Holiday Inn Express & Suites - O'Fallon /Shiloh by IHG
2.5 out of 5
3396 Green Mount Crossing Drive Shiloh, O'Fallon, IL
The price is $149 per night from May 18 to May 19
$149
includes taxes & fees
May 18 - May 19
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! (494 reviews)
"Good breakfast, good size rooms for family of 5. Bathroom needs a little work"

Reviewed on Apr 19, 2025

Holiday Inn Express & Suites - O'Fallon /Shiloh by IHG
Hampton Inn O'Fallon
Hampton Inn O'Fallon
2.5 out of 5
430 Regency Park, O'Fallon, IL
The price is $113 per night from May 26 to May 27
$113
includes taxes & fees
May 26 - May 27
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 ...
9.2/10 Wonderful! (744 reviews)
"The staff here were so friendly and very nice, attentive during check in, stay and departure. The hotel was impeccably clean, My room was spotless upon entry. Having a snack store was really cool too, I was very pleased with the complimentary breakfast too, the food area was spotless, food was hot ..."

Reviewed on Apr 16, 2025

Hampton Inn O'Fallon
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
The price is $74 per night from May 29 to May 30
$74
includes taxes & fees
May 29 - May 30
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! (765 reviews)
"Jacuzzi tub did not work"

Reviewed on Apr 26, 2025

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
The price is $81 per night from May 4 to May 5
$81
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. Popular attractions O'Fallon Family Sports Park and ...
5.2/10 (362 reviews)
"Clean, comfortable and quiet"

Reviewed on Dec 30, 2024

Baymont by Wyndham O'Fallon St. Louis Area
See all 1,329 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.