When did momondo last update prices for flights from Lambert-St Louis Airport to Pasco Tri Cities Airport?

Prices for flights from Lambert-St Louis Airport to Pasco Tri Cities Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Lambert-St Louis Airport to Pasco Tri Cities Airport?

The number of operators available for flights from Lambert-St Louis Airport to Pasco Tri Cities Airport is 2 as of January 2026.

How old do you have to be to fly from Lambert-St Louis Airport to Pasco Tri Cities Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Pasco Tri Cities Airport.

What documentation or ID do you need to fly to Pasco Tri Cities Airport?

The travel and health documents you'll need for your trip to Pasco Tri Cities Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Pasco Tri Cities Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$156 Cheap Flights from St. Louis to Pasco in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to Pasco

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

STL

PSC

1542 mimulti-stop

PSC

STL

1542 mimulti-stop

Multiple Airlines

United Airlines flights from St. Louis to Pasco

Our best United Airlines deals on St. Louis to Pasco flight tickets

United Airlines

Jan 31

STL7:00 amLambert-St Louis

16h 13m

2 stops

PSC9:13 pmPasco Tri Cities

Feb 3

PSC12:45 pmPasco Tri Cities

22h 56m

1 stop

STL1:41 pmLambert-St Louis

$886

United Airlines

Jan 31

STL7:00 amLambert-St Louis

16h 13m

2 stops

PSC9:13 pmPasco Tri Cities

Feb 3

PSC5:00 amPasco Tri Cities

10h 43m

2 stops

STL5:43 pmLambert-St Louis

$894

United Airlines

Jan 31

STL4:15 pmLambert-St Louis

6h 58m

1 stop

PSC9:13 pmPasco Tri Cities

Feb 3

PSC12:45 pmPasco Tri Cities

22h 56m

1 stop

STL1:41 pmLambert-St Louis

$941

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 2/25

2:45 pm-8:50 pm

1 stop8h 05m

$156

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 2/25

4:51 pm-2:40 pm

3 stops23h 49m

$178

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 2/25

5:12 am-8:55 pm

2 stops17h 43m

$180

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Pasco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lambert-St Louis to Pasco Tri Cities?

United Airlines and Alaska Airlines are the most popular carriers operating from Lambert-St Louis to Pasco Tri Cities

What airlines fly to Pasco?

Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Pasco from St. Louis according to our data. Delta is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Pasco. Keep in mind that there are 3 different airlines that fly to Pasco on a routine basis, so you have a few additional options to choose from.

When to book flights from St. Louis to Pasco

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Pasco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Pasco (STL to PSC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Pasco

Fastest flight time	6h 58m
Direct flights	None

The fastest flight from St. Louis to Pasco takes 6h 58m

There are no direct flights from St. Louis to Pasco. There are no popular flight routes from St. Louis to Pasco.

Search flight deals

How far is Lambert-St Louis to Pasco Tri Cities by plane?
Lambert-St Louis and Pasco Tri Cities are 1553.5 mi apart from one another. In terms of flight time, this usually takes a little over 6h 58m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Pasco Tri Cities Airport?
Prices for flights from Lambert-St Louis Airport to Pasco Tri Cities Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Pasco Tri Cities Airport?
The number of operators available for flights from Lambert-St Louis Airport to Pasco Tri Cities Airport is 2 as of January 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Pasco Tri Cities Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Pasco Tri Cities Airport.
What documentation or ID do you need to fly to Pasco Tri Cities Airport?
The travel and health documents you'll need for your trip to Pasco Tri Cities Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Pasco Tri Cities Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Pasco?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Pasco is Delta, representing 61% of all bookings. The subsequent popular airline is United Airlines at 39%.

Best airlines flying from St. Louis to Pasco

Compare and see reviews for airlines that fly from St. Louis to Pasco with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $188	Free Cancellation	Rating 7.9 8,128 reviews		Search Delta flights
United Airlines	PriceFrom $323	Free Cancellation	Rating 7.4 9,215 reviews		Search United Airlines flights

Kennewick

Richland

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Pasco?

It is quick and easy to find St. Louis to Pasco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Pasco that suits you.

Can I find flights from St. Louis to Pasco with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Pasco flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Pasco?

momondo provides multiple filters to help you find the best flight to Pasco from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Pasco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for St. Louis to Pasco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.