Cheap flights To O'Fallon (STL) from $49

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Cheap Flights to O'Fallon from $49 One Way, $90 Round Trip

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

Wed, Oct 22 - Sat, Oct 25
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$90 Roundtrip, found 1 day ago
$90
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Oct 22 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 25, priced at $90 found 1 day ago
Wed, Nov 12 - Sat, Nov 15
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$92 Roundtrip, found 1 hour ago
$92
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Nov 12 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Nov 15, priced at $92 found 1 hour ago
Sat, Sep 27 - Mon, Sep 29
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$97 Roundtrip, found 6 days ago
$97
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 27 from O'Hare Intl. to Lambert-St. Louis Intl., returning Mon, Sep 29, priced at $97 found 6 days ago
Sat, Sep 27 - Sat, Sep 27
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$97 Roundtrip, found 4 days ago
$97
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 27 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Sep 27, priced at $97 found 4 days ago
Thu, Nov 13 - Sat, Nov 15
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$117 Roundtrip, found 5 days ago
$117
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Thu, Nov 13 from O'Hare Intl. to Lambert-St. Louis Intl., returning Sat, Nov 15, priced at $117 found 5 days ago
Fri, Oct 17 - Mon, Oct 27
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$136 Roundtrip, found 3 days ago
$136
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Fri, Oct 17 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Mon, Oct 27, priced at $136 found 3 days ago
Wed, Oct 29 - Thu, Nov 6
SLC
Salt Lake City Intl.
STL
Lambert-St. Louis Intl.
$154 Roundtrip, found 15 hours ago
$154
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Wed, Oct 29 from Salt Lake City Intl. to Lambert-St. Louis Intl., returning Thu, Nov 6, priced at $154 found 15 hours ago
Sun, Nov 16 - Wed, Nov 19
BWI
Baltimore Washington Intl. Thurgood Marshall
STL
Lambert-St. Louis Intl.
$154 Roundtrip, found 16 hours ago
$154
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sun, Nov 16 from Baltimore Washington Intl. Thurgood Marshall to Lambert-St. Louis Intl., returning Wed, Nov 19, priced at $154 found 16 hours ago
Sun, Nov 16 - Sun, Nov 16
LAX
Los Angeles Intl.
STL
Lambert-St. Louis Intl.
$155 Roundtrip, found 3 days ago
$155
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Nov 16 from Los Angeles Intl. to Lambert-St. Louis Intl., returning Sun, Nov 16, priced at $155 found 3 days ago
Fri, Sep 26 - Fri, Sep 26
ORD
O'Hare Intl.
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 20 hours ago
$160
Roundtrip
found 20 hours ago
Select Southern Airways Express flight, departing Fri, Sep 26 from O'Hare Intl. to Lambert-St. Louis Intl., returning Fri, Sep 26, priced at $160 found 20 hours ago

O'Fallon STL Flight Information

Traveling To
O'Fallon
Destination Airport IATA Code
STL
Number of Airlines Serving
1
Airlines
Frontier Airlines, Southwest Airlines, United, American Airlines, Southern Airways Express
Flight Price
$90
Earliest Departing Flight
WN 527 9:35AM EDT
Latest Departing Flight
WN 2371 Sep 16 7:50PM EDT

Book Your Flight & Hotel Together & Save

O'Fallon economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hilton Garden Inn Chesterfield
3.0-star property

Hilton Garden Inn Chesterfield

Oct 29 - Nov 3

5 night stay

Los Angeles (LAX) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Los Angeles (LAX)

Frontier Airlines • Coach
Price was $637, price is now $455 per person
$455
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Oct 29 - Nov 3

5 night stay

Los Angeles (LAX) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Los Angeles (LAX)

Frontier Airlines • Coach
Save 100% on your flight
Price was $945, price is now $498 per person
$498
per person
found 1 day ago
DoubleTree by Hilton Hotel St. Louis - Chesterfield
4.0-star property

DoubleTree by Hilton Hotel St. Louis - Chesterfield

Oct 29 - Nov 3

5 night stay

Los Angeles (LAX) to St. Louis (STL)

Southwest Airlines • Coach

St. Louis (STL) to Los Angeles (LAX)

Frontier Airlines • Coach
Price was $710, price is now $540 per person
$540
per person
found 1 day ago
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O'Fallon

If you are looking for affordable flights to O'Fallon, look no further. Orbitz offers discounted rates to many destinations.

Bargain flights to O'Fallon now available

As you review your budget and travel plans, consider the low fares Orbitz offers on O'Fallon flights. With Orbitz, booking flights to O'Fallon is easy and the lowest prices are guaranteed.

Easy self-help service offered

Orbitz offers cutting edge mobile tools that allow you to review and make bookings from your Android or iPhone mobile device with a simple application. You can easily and conveniently update your information or book your trip using this service. You are also able to obtain information on affordable hotel packages and receive frequent flight updates. You will receive confirmation of bookings or reservations made using the mobile service on the same day of the request. Change details or receive updates on your O'Fallon flights by visiting the Orbitz site or mobile application.

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Orbitz ensures that you are kept informed with up-to-date flight information, providing feedback to up to six contact numbers to ensure that everyone receives the feedback. In addition to providing the discounted deals on O'Fallon flights, Orbitz is also able to structure a package based on your needs for activities, car hire and accommodations.

Traveler profile updates

After booking your O'Fallon flights, you may access your account profile on the Orbitz site and update your frequent flyer or loyalty membership details. This information will remain on the system and will be available for you to access when you make any future bookings with Orbitz.

Frequently asked questions

Which airlines fly to O'Fallon?
With 20 airlines servicing Lambert-St. Louis Intl. Airport (STL), the entryway to O'Fallon, you have plenty of choice. Find an excellent deal among these well-known international airlines that'll get you to this city:

  • Air Canada - 35 flights to O'Fallon per month
  • Frontier Airlines - 17 flights to O'Fallon per month
  • Lufthansa - 3 flights to O'Fallon per month

What is the best airport to fly to in O'Fallon?
Lambert-St. Louis Intl. Airport (STL) is the gateway to the city, so your toughest decision will be the aisle seat or the window seat. Central O'Fallon is roughly 19 miles away and where many travelers start their adventure.
How much is a flight to O'Fallon?
Loads of fantastic deals were up for the taking this week, with return flights to O'Fallon fluctuating from $90 to $160. But it was passengers beginning their trip from Denver (DEN) who bagged the biggest bargains. One-way tickets to O'Fallon started at just $49.
How to book the cheapest flight to O'Fallon?
Using Orbitz, you'll uncover some of the most incredible flight deals around from a wide selection of airlines. But if you'd love to improve your chances of landing cheap flights to O'Fallon, here are some suggestions to bear in mind:

  • Depending on your departure point, click on the 'Nearby airports' function (located under the departure and arrival options). From time to time, alternative departure points will have cheaper fares.
  • Also, click on the 'Show flexible dates' link to view the prices for days around your chosen departure. You may be able to score cheaper flight deals if your travel plans are flexible.
  • Hit 'Show options' to fine tune your search results. You can pick your preferred seating class and airline here. Under 'Sort & Filter' to the left, you can even specify whether you'd like to fly in the morning, afternoon or evening.
  • If you've worked out your travel dates, don't drag your feet booking a flight. Ticket prices generally increase as the departure date nears.
  • Make even more savings on your getaway by bundling your hotel, flights and car rental into a package deal. Your credit card will thank you.
  • Flying during the busy season can mean higher airfares. Try to vacation outside of popular periods, such as Easter, Thanksgiving and school breaks.

How long is a flight to O'Fallon?
Where you're leaving from and whether you have a layover will determine the time you spend in the air. However, these three top routes to O'Fallon will give you a clearer picture:

  • New York, NY (LGA-LaGuardia) to Lambert-St. Louis Intl. Airport (STL) - 2 hours and 28 minutes
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 41 minutes
  • Chicago, IL (ORD-O'Hare Intl.) to Lambert-St. Louis Intl. Airport (STL) - 1 hour and 27 minutes

What is the best time to book a flight to O'Fallon?
If you can, book your tickets to O'Fallon in January. This is the best month to reserve low airfares, followed by February and August. With a little organizing, you're guaranteed to find a cheap flight with Orbitz.
What day of the week is the cheapest to book a flight to O'Fallon?
You can get a great flight deal by making a booking on a Tuesday, Wednesday or Saturday. Typically, these are the best days of the week to land cheap airfares to O'Fallon.
What is the cheapest day of the week to fly to O'Fallon?
According to Orbitz data from 2020, you'll want to kick off your trip on a Monday to score cheap flights to O'Fallon. Next cheapest day? Tuesday. Saturday is the most expensive. So, think about leaving early in the week if you'd love to score a bargain fare without paying premium prices.
What is the cheapest month to fly to O'Fallon?
To book cheap flights to O'Fallon, you should fly out in August. If saving money on your ticket is your top priority, Orbitz data shows that this is generally an excellent month to travel. June is when airfares are at their peak.
Which airlines allow free cancellation?
We know that plans can change and flexibility is more important than ever. That's why you can easily search for flights that include free cancellation and no change fees on Orbitz. Simply click on "Filter by flexible change policies" and we'll find you fares more flexible than a lip balm left in the sun!
What do I need for the flight to O'Fallon?
Flying can be fun if you're well prepared! Make your trip a total breeze with the following handy tips:

  • Before you step on to the plane, you'll need to present proof of identification, like a passport. You'll also need your ticket. If you're traveling with the kids, check with your airline about which documents they require — if any.
  • To keep you occupied on your short trip to O'Fallon, download some new songs or stock up the podcast library on your smartphone. Food can also be a tasty distraction while in the air, so pack a snack.
  • It can get very cool on the plane. If you don't want to shiver your way through the flight, wear an extra layer.

How many direct flights are there to O'Fallon?
Your thrilling adventure is one easy plane ride away, with 482 direct services to O'Fallon every month. Search for your ideal flight with Orbitz and pick up an awesome deal with Southwest Airlines, American Airlines or Delta Air Lines. Other reputable airlines that provide nonstop services include United Airlines, Cape Air and Frontier Airlines.
How do I get cheap first-class/business deals to O'Fallon?
Smart travelers know how to find business or first-class fares to O'Fallon that don't cost an arm and a leg. Be like them with these handy tips:

  • Flexibility doesn't just help with your yoga. Avoid locking in your travel dates so you can snap up more affordable airfares when a big sale comes along.
  • Budget airlines offer business-class seats at more affordable prices. Ditch the full-service carriers and fly with one these cheaper options.
  • Bid for an upgrade. Some airlines hold online auctions that let you offer a price for a seat at the front of the plane. You can also try upgrading with points earned through a flight loyalty scheme.

How to get into O'Fallon from the airport?
A Lambert-St. Louis Intl. Airport (STL) car rental is a great way of traveling from STL airport to downtown O'Fallon. Pick up a vehicle from one of the major rental outlets on-site, such as Budget, Avis or Thrifty Car Rental and then head west. You'll need to drive around 19 miles to reach the city center. O'Fallon car rentals is another popular option located downtown if you'd prefer not to drive immediately after you touch down.
What is the best time to go to OFallon?
OFallon is a busy place in March, April and June. If you're arranging a visit during these months, it may be an idea to book well in advance to ensure you nab the best deals. Curious to know what the summertime's like in OFallon? Average daily temperatures normally hover between 65 ºF and 85 ºF. Like most of the Northern Hemisphere, the summer season kicks off June 20 here.
Travel tips for O'Fallon

  • There are awesome attractions almost everywhere you look in this busy city. If you're basing yourself in the center, pull on your comfiest walking shoes and stroll to 9-11 Memorial.
  • If you'd like to venture farther afield and explore other O'Fallon sights, arrange a car rental and follow the signs to Gateway Arch. It won't take long to drive to from downtown.
  • Clock up some more miles on the odometer and visit some of St. Louis's other popular cities. Maryville is one that's waiting to be explored.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.