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 June 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.

$165 Cheap Flights from St. Louis to Pasco in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:00 am - 1:18 pm

STL

PSC

8h 18m

1 stop

1:55 pm - 11:59 pm

PSC

STL

8h 04m

1 stop

$425Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

6:35 am - 1:14 pm

STL

PSC

8h 39m

1 stop

6:00 am - 2:06 pm

PSC

STL

6h 06m

1 stop

$438Alaska Airlines

Tue, Aug 25 - Wed, Aug 26

7:00 am - 10:23 pm

STL

PSC

17h 23m

2 stops

6:01 am - 3:44 pm

PSC

STL

7h 43m

1 stop

$500Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

8:01 am - 2:50 pm

STL

PSC

8h 49m

1 stop

3:24 pm - 11:58 pm

PSC

STL

6h 34m

1 stop

$513American Airlines

Sat, Jul 25 - Sat, Aug 1

6:35 am - 3:23 pm

STL

PSC

10h 48m

2 stops

6:00 am - 2:06 pm

PSC

STL

6h 06m

1 stop

$517Alaska Airlines

Tue, Aug 25 - Wed, Aug 26

7:55 pm - 11:54 pm

STL

PSC

5h 59m

1 stop

5:21 pm - 12:41 am

PSC

STL

5h 20m

1 stop

$525Delta

Thu, Jul 9 - Mon, Jul 13

9:40 am - 8:48 pm

STL

PSC

13h 08m

2 stops

5:15 am - 7:29 pm

PSC

STL

12h 14m

2 stops

$535United Airlines

Wed, Oct 28 - Sat, Oct 31

8:01 am - 2:50 pm

STL

PSC

8h 49m

1 stop

3:24 pm - 11:58 pm

PSC

STL

6h 34m

1 stop

$563American Airlines

Fri, Jul 10 - Sun, Jul 19

5:30 am - 2:50 pm

STL

PSC

11h 20m

2 stops

3:24 pm - 11:58 pm

PSC

STL

6h 34m

1 stop

$568American Airlines

Fri, Jul 10 - Sun, Jul 19

8:00 am - 4:40 pm

STL

PSC

10h 40m

2 stops

6:00 am - 6:05 pm

PSC

STL

10h 05m

2 stops

$570Alaska Airlines

Tue, Aug 25 - Wed, Aug 26

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American Airlines flights from St. Louis to Pasco

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

American Airlines

Jul 25

STL8:01 amLambert-St Louis

8h 49m

1 stop

PSC2:50 pmPasco Tri Cities

Aug 1

PSC3:24 pmPasco Tri Cities

6h 34m

1 stop

STL11:58 pmLambert-St Louis

$513

American Airlines

Jul 10

STL8:01 amLambert-St Louis

8h 49m

1 stop

PSC2:50 pmPasco Tri Cities

Jul 19

PSC3:24 pmPasco Tri Cities

6h 34m

1 stop

STL11:58 pmLambert-St Louis

$563

American Airlines

Jul 10

STL5:30 amLambert-St Louis

11h 20m

2 stops

PSC2:50 pmPasco Tri Cities

Jul 19

PSC3:24 pmPasco Tri Cities

6h 34m

1 stop

STL11:58 pmLambert-St Louis

$568

Alaska Airlines flights from St. Louis to Pasco

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

Alaska Airlines

Oct 28

STL7:00 amLambert-St Louis

8h 18m

1 stop

PSC1:18 pmPasco Tri Cities

Oct 31

PSC1:55 pmPasco Tri Cities

8h 04m

1 stop

STL11:59 pmLambert-St Louis

$425

Alaska Airlines

Aug 25

STL6:35 amLambert-St Louis

8h 39m

1 stop

PSC1:14 pmPasco Tri Cities

Aug 26

PSC6:00 amPasco Tri Cities

6h 06m

1 stop

STL2:06 pmLambert-St Louis

$438

Alaska Airlines

Oct 28

STL7:00 amLambert-St Louis

17h 23m

2 stops

PSC10:23 pmPasco Tri Cities

Oct 31

PSC6:01 amPasco Tri Cities

7h 43m

1 stop

STL3:44 pmLambert-St Louis

$500

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 10/28

7:00 am-1:18 pm

1 stop8h 18m

Pasco Tri Cities

Sat 10/31

1:55 pm-11:59 pm

1 stop8h 04m

$425

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Tue 8/25

6:35 am-1:14 pm

1 stop8h 39m

Pasco Tri Cities

Wed 8/26

6:00 am-2:06 pm

1 stop6h 06m

$438

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 10/28

7:00 am-10:23 pm

2 stops17h 23m

Pasco Tri Cities

Sat 10/31

6:01 am-3:44 pm

1 stop7h 43m

$500

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sat 7/25

8:01 am-2:50 pm

1 stop8h 49m

Pasco Tri Cities

Sat 8/1

3:24 pm-11:58 pm

1 stop6h 34m

$513

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Tue 8/25

6:35 am-3:23 pm

2 stops10h 48m

Pasco Tri Cities

Wed 8/26

6:00 am-2:06 pm

1 stop6h 06m

$517

Quickest round-trip

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Thu 7/9

7:55 pm-11:54 pm

1 stop5h 59m

Pasco Tri Cities

Mon 7/13

5:21 pm-12:41 am

1 stop5h 20m

$525

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 10/28

9:40 am-8:48 pm

2 stops13h 08m

Pasco Tri Cities

Sat 10/31

5:15 am-7:29 pm

2 stops12h 14m

$535

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 7/10

8:01 am-2:50 pm

1 stop8h 49m

Pasco Tri Cities

Sun 7/19

3:24 pm-11:58 pm

1 stop6h 34m

$563

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 7/10

5:30 am-2:50 pm

2 stops11h 20m

Pasco Tri Cities

Sun 7/19

3:24 pm-11:58 pm

1 stop6h 34m

$568

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Tue 8/25

8:00 am-4:40 pm

2 stops10h 40m

Pasco Tri Cities

Wed 8/26

6:00 am-6:05 pm

2 stops10h 05m

$570

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

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

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	5h 57m
Direct flights	None

The fastest flight from St. Louis to Pasco takes 5h 57m

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

Search flight deals

Frequently asked questions about flying from St. Louis to Pasco

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 5h 57m.
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 June 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 Alaska Airlines, representing 61% of all bookings. The subsequent popular airline is Delta 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
Alaska Airlines	PriceFrom $350	Free Cancellation	Rating 7.9 12,583 reviews		Search Alaska Airlines flights
Delta	PriceFrom $398	Free Cancellation	Rating 7.8 8,455 reviews		Search Delta 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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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.