Cheap Flights from St. Louis (STL) to Pasco (PSC)

Popular airlines from Lambert-St. Louis International Airport (STL) to Tri-Cities Airport (PSC)

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Find the cheapest month to fly from St. Louis (STL) to Pasco (PSC)

September is typically the cheapest month to fly

From CA $385 - CA $1,004 per traveller.

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to Tri-Cities Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from STL to Tri-Cities Airport (PSC) start from . Book ASAP to get the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to Tri-Cities Airport?
Every air carrier has its own set of terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to Tri-Cities Airport that have flexible change policies?
Flights from STL to Tri-Cities Airport (PSC) offering flexible change policies are available with many carriers. Simply use our "No change fees" filter while searching. You'll only need to pay the cost difference between flights, without any extra fees to worry about.
How many hours is the flight from Lambert Field to PSC?
There are plenty of ways to make the 5 hours and 50 minutes between STL and Tri-Cities Airport (PSC) go by quicker. If you want to be productive, sort through your photos or delete all those backed-up emails. A snooze also helps pass the time!
How far is the flight from Lambert Field to Tri-Cities Airport (PSC)?
The flight distance from St. Louis to Pasco is 2,500 kilometres. Bring a snack, a drink and something to read. Keep yourself entertained and the time will fly by.
Which airlines fly direct from Lambert Field to PSC?
Unfortunately, there are no airlines that fly directly between STL and Tri-Cities Airport. You'll have to book a flight with one or more stops.
Are Lambert Field to Tri-Cities Airport (PSC) flight tickets cheaper when they're purchased at the last minute?
Flight prices from Lambert Field to Tri-Cities Airport are available up to 12 months before departure on Expedia. And although you may occasionally pick up great last-minute deal, it's not something you should count on. Also, booking your flights well in advance means you'll have more options — and you can avoid getting trapped in the dreaded middle seat! We're constantly updating our fares to bring you the biggest bargains, so check back often for all the latest specials.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Tri-Cities
Distance
2469 km

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