Cheap Flights to O'Fallon

View NZ$271 flight on Tue, 3 Mar 2026Opens in a new window

Popular airlines to O'Fallon

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Tickets to O'Fallon

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 3 Mar - Wed, 4 Mar
SAN
San Diego
STL
St. Louis
NZ$392 Return, found 1 day ago
NZ$392
Return
found 1 day ago
Select American Airlines flight, departing Tue, 3 Mar from San Diego to St. Louis, returning Wed, 4 Mar, priced at NZ$392 found 1 day ago
Delta
Tue, 3 Mar - Wed, 4 Mar
SAN
San Diego
STL
St. Louis
NZ$541 Return, found 1 day ago
NZ$541
Return
found 1 day ago
Select Delta flight, departing Tue, 3 Mar from San Diego to St. Louis, returning Wed, 4 Mar, priced at NZ$541 found 1 day ago
United
Sun, 26 Apr - Fri, 1 May
LAX
Los Angeles
STL
St. Louis
NZ$612 Return, found 3 days ago
NZ$612
Return
found 3 days ago
Select United flight, departing Sun, 26 Apr from Los Angeles to St. Louis, returning Fri, 1 May, priced at NZ$612 found 3 days ago
Alaska Airlines
Tue, 3 Mar - Wed, 4 Mar
SAN
San Diego
STL
St. Louis
NZ$631 Return, found 1 day ago
NZ$631
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue, 3 Mar from San Diego to St. Louis, returning Wed, 4 Mar, priced at NZ$631 found 1 day ago
Air Canada
Mon, 9 Mar - Wed, 25 Mar
AKL
Auckland
STL
St. Louis
NZ$1,453 Return, found 1 day ago
NZ$1,453
Return
found 1 day ago
Select Air Canada flight, departing Mon, 9 Mar from Auckland to St. Louis, returning Wed, 25 Mar, priced at NZ$1,453 found 1 day ago

The Annual Holiday Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

O'Fallon Flights

The O'Fallon experience you’ve always wanted

Catching a flight to O'Fallon is easier than it’s ever been when you use Expedia to plan your escape. A great holiday starts with great selection, and we have an amazing amount of O'Fallon flight deals. A quick search on Expedia.co.nz will show you cheap tickets to O'Fallon in mere moments, from overnight flights to weekend getaways. Trying to earn frequent flyer points? We even make it easy for you to stay loyal to your preferred airline.

Been a while since you’ve travelled?

If you haven’t flown recently, you might like some insider information. In fact, even seasoned travellers should check out our blog. Featuring hundreds of articles written by our very own experts, our blog keeps you informed about all the fantastic attractions and things to do in the world’s most popular destinations, so you know just what to pack. Get ready for great advice on trip preparation and seeing the sights—then get ready to fly!

Bundle your room and flight to travel for less

Package your flights with your hotel booking in O'Fallon, and your trip will become even cheaper. By making all of your reservations with us, you’ll save money and time, plus have the peace of mind that comes with booking all of your arrangements in one place. It may seem like magic, but it’s just the Expedia.co.nz way.

A holiday at the tips of your fingers

Take the high-tech road when you use our Expedia app to plan your holiday to O'Fallon. Our handy app allows you to reserve flights and hotels at any time of day, on any type of phone, because it’s available on both Android and iOS. You’ll also benefit from exclusive deals, have a chance to earn extra points, and can keep your itinerary at your fingertips. No matter where you are, count on our app to help you get where you’re going.

Register for Frequent Flyer Rewards

If you enjoy being pampered every once in a while, register with our Expedia Rewards program to get exclusive offers and discounts you won’t find anywhere else. Expedia Rewards grants you member-only benefits, plus price guarantees on your room rates. We can even help you rack up frequent flyer points more quickly. Plus, by signing up, you can book our Unreal Deals, which, when bundled with your room, could save you the cost of a whole plane ticket.

Start planning and start packing

Expedia.co.nz makes it easy to find cheap flights to O'Fallon NZ$392. With such amazing deals, why wait any longer to book your trip? Start searching today, and we’ll see you soon in O'Fallon.

Frequently asked questions

What is the name of O'Fallon's airport?
Lambert-St. Louis Intl. Airport (STL) is the main airport that serves O'Fallon.
How far is STL from central O'Fallon?
STL is 40 kilometres from downtown O'Fallon, so expect a bit of a commute into the city.
What airport is best to fly into O'Fallon?
Lambert Field is the main airport in O'Fallon. Before you step on the plane, it's a wise idea to know a thing or two about it. The terminal sits around 40 kilometres from the downtown area.
How many airlines fly to O'Fallon?
There are 12 air carriers that service O'Fallon from 61 airports across the globe.
Which airlines fly to O'Fallon?
United Airlines and American Airlines frequently fly into O'Fallon. Catching a United Airlines flight from Chicago is one of the most preferred options to get there.
How many nonstop flights are there to O'Fallon?
Planning an amazing O'Fallon escape is easy when there are 1 206 direct flights every week to get you there.
Where are the most popular flights to O'Fallon departing from?
The most popular flights to O'Fallon set off from Chicago, Dallas and New York airports.
How long is the flight to O'Fallon Airport?
If it's Chicago you're departing, you'll be airborne for around 1 hour and 22 minutes before you arrive in O'Fallon. Runway to runway from Dallas takes around 1 hour and 43 minutes and from New York, the flight time is 3 hours and 1 minute.
How to book the cheapest flight to O'Fallon?
Don't leave locking in your flight to O'Fallon until the very last minute. That's one move frequent travellers use to get the best deals. Booking ahead means more options and cheaper flights. Another terrific way to land the best price is to shop around. If where you're headed has several airports, don't forget to research the cost of flying into a less busy terminal. Last of all, another simple way to save a few dollars is be ready to book fast. If you spot a fantastic bargain, don't hold off — snap it up while the opportunity's there.
Do you have any tips for my flight to O'Fallon?
We've pulled together all the info you need to make your flight a stress-free experience. Follow our tips and tricks and you'll be zooming through airport security and discovering O'Fallon in next to no time. What to pack in your hand luggage:

  • It's simple — first, pack in your passport, travel documents, credit cards and vital medications. Next, you'll need some in-flight entertainment to while away the hours. A thrilling novel and a laptop crammed with your favourite shows are good options. If you plan to take a quick snooze, a comfy neck pillow and a pair of earplugs will also be useful. Finally, leave some space for a few toiletry items so you'll step off the plane looking and feeling fresh.

Do not pack the following items in your hand luggage:

  • Check carefully that you don't have a sharp object hiding in the bottom of your hand luggage. Other banned items include flammable or explosive goods, such as aerosol cans and bleach, and liquids and gels in containers larger than 3.4 ounces (100 millilitres).

What to wear on a flight:

  • Your main aim is to be as comfortable as possible. Choose slip-on footwear, dress in loose, breathable clothing and remember to take a sweater in case it gets cold in the cabin.
  • The result of sustained periods of inactivity, deep vein thrombosis (DVT) is a blood clot condition that can affect passengers during long flights. Reduce the risks by staying hydrated, keeping your legs moving and wearing compression tights or socks.

How to get through airport security fast when flying to O'Fallon?
The trick is to be well organised before you arrive at security. That way, you'll be hopping onto that plane to O'Fallon in no time at all. Follow these helpful tips and get your holiday off to a spectacular start:

  • First things first. Your travel ID and boarding pass will need to be inspected by security personnel. Have them close by so you don't hold up the line.
  • The X-ray machine is up next. Remove anything on you that is likely to beep. This includes things like headphones or earphones, as well as your coat or jacket. They'll need to be placed on the conveyor belt for screening.
  • Electronic devices like phones and laptops will also need to go on a tray for inspection. No need to worry though, you'll be back online before you know it.
  • Any gels or liquids, such as perfume or hairspray, that you want to bring on board must be no larger than 3.4 ounces (100 millilitres). Also, everything must fit inside a quart-size (one litre), clear zip-lock bag.
  • It's also likely that you'll need to remove your shoes to be X-rayed, so wearing slip-on sneakers is always a good idea.
  • Airlines will not allow any sharp items or pocket knives to come on board with you. If you need to bring these kinds of items, put them in your checked luggage.

Flights to O'Fallon information
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Destination city name
St. Louis
Return price
NZ$391

Trending flights to O'Fallon

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, 9 Mar - Wed, 25 Mar
AKL
Auckland
STL
St. Louis
NZ$1,453 Return, found 1 day ago
NZ$1,453
Return
found 1 day ago
Select Air Canada flight, departing Mon, 9 Mar from Auckland to St. Louis, returning Wed, 25 Mar, priced at NZ$1,453 found 1 day ago
*Available to Expedia members.