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

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save on select hotels after you book a flight*
    trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

Is it cheaper to buy a plane ticket from Tri-Cities Airport to Lambert-St. Louis Intl. Airport (STL) last minute?
Being a spontaneous soul is a rewarding way to see the world, but it's not always the best method to nab a cheap fare. It's better to book your Tri-Cities Airport to STL trip well ahead of time rather than waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. We recommend saving that spontaneity for when you reach your destination!
What airports do you fly into for St. Louis from Pasco?
From Pasco, you can reach St. Louis through Lambert-St. Louis Intl. Airport (STL), Spirit of St. Louis Airport (SUS) and St. Louis Downtown Airport (CPS). It's wise to check which hub is right for you before you make a decision. If you pick Lambert-St. Louis Intl. Airport (STL), it's approximately 19 kilometers northwest of the downtown area. Use the dollars you save when booking your ticket with Expedia to discover the city's top attractions, such as Busch Stadium and Gateway Arch.
Can I change the date of my flight from Tri-Cities Airport (PSC) to Lambert Field?
Sometimes life gets in the way of plans, so Expedia is here to help make amending your flight as easy as possible. First, find your Tri-Cities Airport to Lambert-St. Louis Intl. Airport (STL) itinerary through the Expedia Trips portal and check the ticket rules and conditions about what changes you can make. If you booked your plane ticket in the last 24 hours, some airlines allow you to cancel at no cost and organize new flights. If you booked more than 24 hours ago, contact us via our Customer Service portal to see how we can assist.

Travel information

Travel information

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

Book with confidence

Book with confidence