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Flights to O'Fallon, Collinsville from $149.10

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How Much Does It Cost To Fly To O'Fallon?

The cheapest tickets to O'Fallon available within the past 7 days were $149.10. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

O'Fallon Flights

How Much Does a Flight to O'Fallon Cost?

The last time we checked, a flight to O'Fallon is around $149.10 (remember, that's one-way only). After scoping out airfare and destinations throughout the world, we've found the cost to fly into O'Fallon to be cheaper than most.

It's a reasonable place to start, however, the $149.10 estimate may increase or decrease. This price is based on multiple factors like the airline company, the city you leave from, and others.

For instance, we've found that travelers who book hotel and airfare together can save as much as $570.00!* Also, by just bundling the air travel and rental car together in one reservation, some have saved as much as 60 percent!**

Whether you're just planning on exploring the local O'Fallon area or plan to experience all of the greater Collinsville area, we wish you well on your adventure.

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Packages To O'Fallon Airport (STL)

Reviews from verified customers

Apr 2, 2017

AC wasn't cooling very well

Apr 2, 2017

comfort plus was a pleasant surprise

Apr 1, 2017

Very friendly staff

Apr 1, 2017

E-boarding passes are always more convenient. Very happy with this option.

Mar 28, 2017

Busy flight needed more room!

Mar 28, 2017

Great landing!

Mar 27, 2017

was not happy that I couldn't select my seat when purchasing. Had to wait until I got to the airport.

Mar 27, 2017

Seats very uncomfortable.

Mar 26, 2017

We were delayed overnight. However, American Airlines supplied us with a stay at a hotel, plus food vouchers. The rescheduled plane left on time and even arrived at our destination early.

Mar 26, 2017

Sad that they don't offer blankets anymore though