$176 Cheap flights from Lambert-St. Louis Intl. to Tri-Cities (STL to PSC)

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Find The Best Dates To Fly from Lambert-St. Louis Intl. to Tri-Cities

Compare Flight Prices from St. Louis to Pasco

Affordable Airfare Tickets from STL to PSC Airport

The cheapest flights to Tri-Cities found within the past 7 days were $350 round trip and $176 one way. Prices and availability subject to change. Additional terms may apply.

Fri, May 9 - Tue, May 13
STL
St. Louis
PSC
Pasco
$350 Roundtrip, found 5 days ago
$350
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, May 9 from St. Louis to Pasco, returning Tue, May 13, priced at $350 found 5 days ago
Fri, May 9 - Tue, May 13
STL
St. Louis
PSC
Pasco
$352 Roundtrip, found 5 days ago
$352
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, May 9 from St. Louis to Pasco, returning Tue, May 13, priced at $352 found 5 days ago
Tue, Jul 22 - Wed, Jul 30
STL
St. Louis
PSC
Pasco
$366 Roundtrip, found 3 days ago
$366
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jul 22 from St. Louis to Pasco, returning Wed, Jul 30, priced at $366 found 3 days ago
Thu, Jul 10 - Thu, Jul 17
STL
St. Louis
PSC
Pasco
$368 Roundtrip, found 3 days ago
$368
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Jul 10 from St. Louis to Pasco, returning Thu, Jul 17, priced at $368 found 3 days ago
Sat, Jul 12 - Sat, Jul 12
STL
St. Louis
PSC
Pasco
$379 Roundtrip, found 3 days ago
$379
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jul 12 from St. Louis to Pasco, returning Sat, Jul 12, priced at $379 found 3 days ago
Mon, May 5 - Mon, May 12
STL
St. Louis
PSC
Pasco
$380 Roundtrip, found 2 days ago
$380
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Mon, May 5 from St. Louis to Pasco, returning Mon, May 12, priced at $380 found 2 days ago
Sat, Aug 30 - Tue, Sep 2
STL
St. Louis
PSC
Pasco
$386 Roundtrip, found 4 days ago
$386
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from St. Louis to Pasco, returning Tue, Sep 2, priced at $386 found 4 days ago
Tue, May 6 - Tue, May 13
STL
St. Louis
PSC
Pasco
$395 Roundtrip, found 2 days ago
$395
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, May 6 from St. Louis to Pasco, returning Tue, May 13, priced at $395 found 2 days ago
Wed, May 28 - Mon, Jun 2
STL
St. Louis
PSC
Pasco
$398 Roundtrip, found 4 days ago
$398
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, May 28 from St. Louis to Pasco, returning Mon, Jun 2, priced at $398 found 4 days ago
Mon, Jul 21 - Wed, Jul 30
STL
St. Louis
PSC
Pasco
$401 Roundtrip, found 3 days ago
$401
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Jul 21 from St. Louis to Pasco, returning Wed, Jul 30, priced at $401 found 3 days ago

Frequently asked questions

Can I catch a flight from Lambert-St. Louis Intl. Airport (STL) to Tri-Cities Airport (PSC) right now?
Be sure to check out the Covid-19 Travel Advisor to learn if there are any present travel advice reports and quarantine requirements in effect in Tri-Cities Airport when jet-setting from Lambert Field.
Are there direct flights from STL to Tri-Cities Airport (PSC)?
Make a note of your connecting gate, because there aren’t any direct flights on the St. Louis Lambert International Airport to Tri-Cities Airport route. Delta, Alaska Airlines and United Airlines are among the airlines that will fly you to Franklin County with just one stopover.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to PSC, please visit our Customer Service Portal.
How long is the flight from STL to PSC?
Flights between St. Louis and Franklin County take approximately 5 hours and 4 minutes in total. Make the most of your time in the air by reading, snoozing away, watching a movie or doing all three.
What is the flight distance from Lambert Field to Tri-Cities Airport?
The flight distance from Lambert Field to Tri-Cities Airport is 1,550 mi. Don’t forget to bring a decent book or a few podcasts to make your trip fly by.
What airlines fly from STL to Tri-Cities Airport (PSC)?
With no direct flights available, it’s a wise idea to plan well in advance when traveling between Lambert-St. Louis Intl. Airport (STL) and Tri-Cities Airport. Find a convenient route with the fewest connections and save yourself some time.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Delta, Alaska Airlines or United Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from St. Louis to Pasco

 

Traveling From
Lambert-St. Louis Intl.
Traveling To
Tri-Cities
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$350

Route Info

Flight path for flights from Lambert-St. Louis International Airport to Tri-Cities Airport.


Origin:
STL - Lambert-St. Louis International Airport
Destination:
PSC - Tri-Cities Airport
Distance:
1,707.00 miles


Discover our best flights from St. Louis STL to Pasco PSC. 

With 19 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Pasco PSC at the right price  

Airfares to Pasco PSC from St. Louis STL currently cost between $350 and $401. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Pasco PSC 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Pasco PSC on Travelocity starting at $176. Prices and availability subject to change. Additional terms may apply. 

 

Get to Pasco PSC from St. Louis STL quicker with direct flights. 

Get to Pasco faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to PSC from STL to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Pasco PSC

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to PSC from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Pasco PSC today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from St. Louis STL to Pasco PSC. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Pasco PSC from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to PSC from STL have this option.  

 

Travel with confidence when you book flights to Pasco PSC from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.