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 March 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.

$224 Cheap Flights from St. Louis to Pasco in 2026

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Find the cheapest flights from St. Louis to Pasco

Round-trip

One-way

Cheap round-trip flights

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4:46 pm - 11:59 pm

STL

PSC

9h 13m

1 stop

6:00 am - 3:50 pm

PSC

STL

7h 50m

1 stop

$362Alaska Airlines

Wed, May 6 - Sat, May 9

4:46 pm - 11:59 pm

STL

PSC

9h 13m

1 stop

6:00 am - 3:50 pm

PSC

STL

7h 50m

1 stop

$366Alaska Airlines

Wed, May 6 - Sat, May 9

4:46 pm - 11:59 pm

STL

PSC

9h 13m

1 stop

1:21 pm - 11:59 pm

PSC

STL

8h 38m

1 stop

$415Alaska Airlines

Wed, May 6 - Sat, May 9

5:20 am - 3:42 pm

STL

PSC

12h 22m

2 stops

1:21 pm - 11:59 pm

PSC

STL

8h 38m

1 stop

$467Alaska Airlines

Wed, May 6 - Sat, May 9

5:20 am - 3:42 pm

STL

PSC

12h 22m

2 stops

7:30 pm - 8:54 am

PSC

STL

11h 24m

2 stops

$472Alaska Airlines

Wed, May 6 - Sat, May 9

5:20 am - 3:42 pm

STL

PSC

12h 22m

2 stops

6:00 am - 3:50 pm

PSC

STL

7h 50m

1 stop

$473Alaska Airlines

Wed, May 6 - Sat, May 9

7:23 pm - 12:50 am

STL

PSC

7h 27m

1 stop

7:00 am - 8:43 pm

PSC

STL

11h 43m

2 stops

$475United Airlines

Sat, May 23 - Tue, Jun 2

7:23 pm - 12:50 am

STL

PSC

7h 27m

1 stop

5:14 am - 12:42 pm

PSC

STL

5h 28m

1 stop

$486United Airlines

Sat, May 23 - Tue, Jun 2

8:00 am - 6:53 pm

STL

PSC

12h 53m

2 stops

1:21 pm - 11:59 pm

PSC

STL

8h 38m

1 stop

$487Alaska Airlines

Wed, May 6 - Sat, May 9

5:20 am - 3:42 pm

STL

PSC

12h 22m

2 stops

7:30 pm - 8:54 am

PSC

STL

11h 24m

2 stops

$498Alaska Airlines

Wed, May 6 - Sat, May 9

United Airlines flights from St. Louis to Pasco

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

United Airlines

May 23

STL7:23 pmLambert-St Louis

7h 27m

1 stop

PSC12:50 amPasco Tri Cities

Jun 2

PSC7:00 amPasco Tri Cities

11h 43m

2 stops

STL8:43 pmLambert-St Louis

$475

United Airlines

May 23

STL7:23 pmLambert-St Louis

7h 27m

1 stop

PSC12:50 amPasco Tri Cities

Jun 2

PSC5:14 amPasco Tri Cities

5h 28m

1 stop

STL12:42 pmLambert-St Louis

$486

United Airlines

May 29

STL7:23 pmLambert-St Louis

7h 27m

1 stop

PSC12:50 amPasco Tri Cities

Jun 1

PSC7:00 amPasco Tri Cities

9h 17m

1 stop

STL6:17 pmLambert-St Louis

$509

Delta flights from St. Louis to Pasco

Our best Delta deals on St. Louis to Pasco flight tickets

Delta

May 23

STL6:45 amLambert-St Louis

12h 05m

2 stops

PSC4:50 pmPasco Tri Cities

Jun 2

PSC7:05 amPasco Tri Cities

12h 04m

2 stops

STL9:09 pmLambert-St Louis

$554

Delta

Apr 1

STL1:39 pmLambert-St Louis

11h 50m

2 stops

PSC11:29 pmPasco Tri Cities

Apr 5

PSC5:19 pmPasco Tri Cities

5h 02m

1 stop

STL12:21 amLambert-St Louis

$634

Delta

Apr 1

STL6:32 amLambert-St Louis

12h 23m

2 stops

PSC4:55 pmPasco Tri Cities

Apr 5

PSC12:45 pmPasco Tri Cities

9h 36m

2 stops

STL12:21 amLambert-St Louis

$640

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 5/6

4:46 pm-11:59 pm

1 stop9h 13m

Pasco Tri Cities

Sat 5/9

6:00 am-3:50 pm

1 stop7h 50m

$362

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 5/6

4:46 pm-11:59 pm

1 stop9h 13m

Pasco Tri Cities

Sat 5/9

6:00 am-3:50 pm

1 stop7h 50m

$366

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 5/6

4:46 pm-11:59 pm

1 stop9h 13m

Pasco Tri Cities

Sat 5/9

1:21 pm-11:59 pm

1 stop8h 38m

$415

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 5/6

5:20 am-3:42 pm

2 stops12h 22m

Pasco Tri Cities

Sat 5/9

1:21 pm-11:59 pm

1 stop8h 38m

$467

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 5/6

5:20 am-3:42 pm

2 stops12h 22m

Pasco Tri Cities

Sat 5/9

7:30 pm-8:54 am

2 stops11h 24m

$472

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 5/6

5:20 am-3:42 pm

2 stops12h 22m

Pasco Tri Cities

Sat 5/9

6:00 am-3:50 pm

1 stop7h 50m

$473

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sat 5/23

7:23 pm-12:50 am

1 stop7h 27m

Pasco Tri Cities

Tue 6/2

7:00 am-8:43 pm

2 stops11h 43m

$475

Quickest round-trip

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sat 5/23

7:23 pm-12:50 am

1 stop7h 27m

Pasco Tri Cities

Tue 6/2

5:14 am-12:42 pm

1 stop5h 28m

$486

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 5/6

8:00 am-6:53 pm

2 stops12h 53m

Pasco Tri Cities

Sat 5/9

1:21 pm-11:59 pm

1 stop8h 38m

$487

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 5/6

5:20 am-3:42 pm

2 stops12h 22m

Pasco Tri Cities

Sat 5/9

7:30 pm-8:54 am

2 stops11h 24m

$498

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted 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?

Alaska Airlines and United 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 46% 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	8h 18m
Direct flights	None

The fastest flight from St. Louis to Pasco takes 8h 18m

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 8h 18m.
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 March 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 8,314 reviews		Search Delta flights
United Airlines	PriceFrom $323	Free Cancellation	Rating 7.4 9,455 reviews		Search United Airlines flights

Kennewick

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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.

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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.

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