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Cheap flights from St. Louis to Pasco from $213

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Pasco departing on 5/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Pasco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 am - 1:18 pm
STL
-
PSC
8h 18m
1 stop
Alaska Airlines Logo
6:01 am - 3:44 pm
PSC
-
STL
7h 43m
1 stop
$425Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
Delta Logo
6:45 am - 4:50 pm
STL
-
PSC
12h 05m
2 stops
Delta Logo
5:00 pm - 12:30 am
PSC
-
STL
5h 30m
1 stop
$430Delta
Sun, May 24 - Thu, May 28
Alaska Airlines Logo
7:00 am - 1:18 pm
STL
-
PSC
8h 18m
1 stop
Alaska Airlines Logo
6:01 am - 3:44 pm
PSC
-
STL
7h 43m
1 stop
$435Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
Alaska Airlines Logo
7:41 pm - 12:14 am
STL
-
PSC
6h 33m
1 stop
Alaska Airlines Logo
11:41 am - 11:54 pm
PSC
-
STL
10h 13m
1 stop
$479Alaska Airlines
Fri, May 22 - Sat, May 30
Delta Logo
6:45 am - 4:50 pm
STL
-
PSC
12h 05m
2 stops
Delta Logo
7:05 am - 9:09 pm
PSC
-
STL
12h 04m
2 stops
$482Delta
Sun, May 24 - Thu, May 28
Delta Logo
5:36 pm - 11:46 pm
STL
-
PSC
8h 10m
2 stops
Delta Logo
6:00 am - 1:32 pm
PSC
-
STL
5h 32m
1 stop
$484Delta
Fri, May 22 - Sat, May 30
Alaska Airlines Logo
7:00 am - 10:54 pm
STL
-
PSC
17h 54m
2 stops
Alaska Airlines Logo
6:01 am - 3:44 pm
PSC
-
STL
7h 43m
1 stop
$495Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
Alaska Airlines Logo
7:41 pm - 12:14 am
STL
-
PSC
6h 33m
1 stop
Alaska Airlines Logo
1:51 pm - 11:54 pm
PSC
-
STL
8h 03m
1 stop
$501Alaska Airlines
Thu, May 28 - Sun, May 31
Delta Logo
7:05 am - 4:50 pm
STL
-
PSC
11h 45m
2 stops
Delta Logo
6:00 am - 1:32 pm
PSC
-
STL
5h 32m
1 stop
$506Delta
Sat, May 23 - Sat, May 30
Alaska Airlines Logo
4:40 pm - 3:24 pm
STL
-
PSC
24h 44m
2 stops
Alaska Airlines Logo
6:01 am - 3:44 pm
PSC
-
STL
7h 43m
1 stop
$510Alaska Airlines
Wed, Oct 28 - Sat, Oct 31

American Airlines flights from St. Louis to Pasco

Our best American Airlines deals on St. Louis to Pasco flight tickets
American Airlines
May 23
STL8:00 amLambert-St Louis
8h 58m
1 stop
PSC2:58 pmPasco Tri Cities
May 31
PSC3:29 pmPasco Tri Cities
6h 29m
1 stop
STL11:58 pmLambert-St Louis
$541
American Airlines
Jun 13
STL8:00 amLambert-St Louis
8h 58m
1 stop
PSC2:58 pmPasco Tri Cities
Jun 14
PSC3:29 pmPasco Tri Cities
6h 28m
1 stop
STL11:57 pmLambert-St Louis
$580

United Airlines flights from St. Louis to Pasco

Our best United Airlines deals on St. Louis to Pasco flight tickets
United Airlines
May 23
STL11:25 amLambert-St Louis
15h 21m
2 stops
PSC12:46 amPasco Tri Cities
May 30
PSC5:14 amPasco Tri Cities
5h 28m
1 stop
STL12:42 pmLambert-St Louis
$534
United Airlines
Oct 28
STL10:23 amLambert-St Louis
12h 39m
2 stops
PSC9:02 pmPasco Tri Cities
Oct 31
PSC5:25 amPasco Tri Cities
16h 00m
2 stops
STL11:25 pmLambert-St Louis
$535
United Airlines
Oct 28
STL10:23 amLambert-St Louis
12h 39m
2 stops
PSC9:02 pmPasco Tri Cities
Oct 31
PSC5:25 amPasco Tri Cities
16h 00m
2 stops
STL11:25 pmLambert-St Louis
$545

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Pasco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 11, 2026.
Use the filters below to find and compare flights from St. Louis to Pasco that are best for you.

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

6:01 am-3:44 pm

1 stop7h 43m

$425

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sun 5/24

6:45 am-4:50 pm

2 stops12h 05m

Pasco Tri Cities

Thu 5/28

5:00 pm-12:30 am

1 stop5h 30m

$430

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

6:01 am-3:44 pm

1 stop7h 43m

$435

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 5/22

7:41 pm-12:14 am

1 stop6h 33m

Pasco Tri Cities

Sat 5/30

11:41 am-11:54 pm

1 stop10h 13m

$479

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sun 5/24

6:45 am-4:50 pm

2 stops12h 05m

Pasco Tri Cities

Thu 5/28

7:05 am-9:09 pm

2 stops12h 04m

$482
Quickest round-trip

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 5/22

5:36 pm-11:46 pm

2 stops8h 10m

Pasco Tri Cities

Sat 5/30

6:00 am-1:32 pm

1 stop5h 32m

$484

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 10/28

7:00 am-10:54 pm

2 stops17h 54m

Pasco Tri Cities

Sat 10/31

6:01 am-3:44 pm

1 stop7h 43m

$495

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Thu 5/28

7:41 pm-12:14 am

1 stop6h 33m

Pasco Tri Cities

Sun 5/31

1:51 pm-11:54 pm

1 stop8h 03m

$501

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sat 5/23

7:05 am-4:50 pm

2 stops11h 45m

Pasco Tri Cities

Sat 5/30

6:00 am-1:32 pm

1 stop5h 32m

$506

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 10/28

4:40 pm-3:24 pm

2 stops24h 44m

Pasco Tri Cities

Sat 10/31

6:01 am-3:44 pm

1 stop7h 43m

$510

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Pasco from

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 typical price of a round-trip flight between St. Louis and Pasco?

What is the cheapest month to fly to Pasco?

The month of June is, on average, the cheapest month to fly to Pasco from St. Louis, with most prices found around $0. The month of January is another great option to travel to Pasco, with average flight prices from St. Louis averaging around $0.

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 59m

Direct flights

None
The fastest flight from St. Louis to Pasco takes 5h 59m
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 59m.

  • 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?

  • 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?

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
DeltaPriceFrom $139Free CancellationRating
7.9
8,451 reviews
Search Delta flights

Traveling to a place near Pasco?

Book flights to Pasco if you plan to visit one of these locations
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.

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