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Cheap flights from Pasco to St. Louis from $208

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pasco to St. Louis departing on 5/7. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Pasco to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:30 pm - 8:30 am
PSC
-
STL
13h 00m
2 stops
Delta Logo
7:00 am - 11:36 am
STL
-
PSC
6h 36m
1 stop
$322Delta
Sat, May 2 - Wed, May 6
Delta Logo
5:30 pm - 8:30 am
PSC
-
STL
13h 00m
2 stops
Delta Logo
6:20 am - 5:09 pm
STL
-
PSC
12h 49m
2 stops
$327Delta
Sat, May 2 - Wed, May 6
Alaska Airlines Logo
2:01 pm - 11:59 pm
PSC
-
STL
7h 58m
1 stop
Alaska Airlines Logo
7:00 am - 1:24 pm
STL
-
PSC
8h 24m
1 stop
$362Alaska Airlines
Tue, Apr 14 - Sat, Apr 18
Alaska Airlines Logo
2:01 pm - 11:59 pm
PSC
-
STL
7h 58m
1 stop
Alaska Airlines Logo
7:00 am - 1:24 pm
STL
-
PSC
8h 24m
1 stop
$372Alaska Airlines
Tue, Apr 14 - Sat, Apr 18
Delta Logo
5:13 pm - 12:25 am
PSC
-
STL
5h 12m
1 stop
Delta Logo
5:00 pm - 10:39 pm
STL
-
PSC
7h 39m
1 stop
$382Delta
Mon, Apr 13 - Sat, Apr 18
Delta Logo
5:13 pm - 12:25 am
PSC
-
STL
5h 12m
1 stop
Delta Logo
10:50 am - 7:43 pm
STL
-
PSC
10h 53m
2 stops
$397Delta
Sun, May 3 - Wed, May 6
Delta Logo
12:16 pm - 11:14 pm
PSC
-
STL
8h 58m
2 stops
Delta Logo
5:00 pm - 10:39 pm
STL
-
PSC
7h 39m
1 stop
$413Delta
Mon, Apr 13 - Sat, Apr 18
Delta Logo
5:00 pm - 12:30 am
PSC
-
STL
5h 30m
1 stop
Delta Logo
6:21 am - 2:50 pm
STL
-
PSC
10h 29m
2 stops
$437Delta
Thu, May 7 - Sun, May 10
Delta Logo
5:19 pm - 12:21 am
PSC
-
STL
5h 02m
1 stop
Delta Logo
7:00 am - 4:33 pm
STL
-
PSC
11h 33m
2 stops
$438Delta
Tue, Apr 7 - Wed, Apr 15
Delta Logo
5:00 pm - 8:10 am
PSC
-
STL
13h 10m
2 stops
Delta Logo
6:21 am - 2:50 pm
STL
-
PSC
10h 29m
2 stops
$442Delta
Thu, May 7 - Sun, May 10

American Airlines flights from Pasco to St. Louis

Our best American Airlines deals on Pasco to St. Louis flight tickets
American Airlines
Apr 10
PSC2:12 pmPasco Tri Cities
7h 47m
1 stop
STL11:59 pmLambert-St Louis
Apr 17
STL2:37 pmLambert-St Louis
7h 11m
1 stop
PSC7:48 pmPasco Tri Cities
$447
American Airlines
Mar 31
PSC1:56 pmPasco Tri Cities
8h 03m
1 stop
STL11:59 pmLambert-St Louis
Apr 5
STL7:58 amLambert-St Louis
7h 26m
1 stop
PSC1:24 pmPasco Tri Cities
$662

Delta flights from Pasco to St. Louis

Our best Delta deals on Pasco to St. Louis flight tickets
Delta
May 2
PSC5:30 pmPasco Tri Cities
13h 00m
2 stops
STL8:30 amLambert-St Louis
May 6
STL7:00 amLambert-St Louis
6h 36m
1 stop
PSC11:36 amPasco Tri Cities
$322
Delta
May 2
PSC5:30 pmPasco Tri Cities
13h 00m
2 stops
STL8:30 amLambert-St Louis
May 6
STL6:20 amLambert-St Louis
12h 49m
2 stops
PSC5:09 pmPasco Tri Cities
$327
Delta
Apr 13
PSC5:13 pmPasco Tri Cities
5h 12m
1 stop
STL12:25 amLambert-St Louis
Apr 18
STL5:00 pmLambert-St Louis
7h 39m
1 stop
PSC10:39 pmPasco Tri Cities
$382

momondo Fare Finder

 
Customize your flight search to find flights from Pasco to St. Louis 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 March 19, 2026.
Use the filters below to find and compare flights from Pasco to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sat 5/2

5:30 pm-8:30 am

2 stops13h 00m

Lambert-St Louis

Wed 5/6

7:00 am-11:36 am

1 stop6h 36m

$322

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sat 5/2

5:30 pm-8:30 am

2 stops13h 00m

Lambert-St Louis

Wed 5/6

6:20 am-5:09 pm

2 stops12h 49m

$327

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 4/14

2:01 pm-11:59 pm

1 stop7h 58m

Lambert-St Louis

Sat 4/18

7:00 am-1:24 pm

1 stop8h 24m

$362

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 4/14

2:01 pm-11:59 pm

1 stop7h 58m

Lambert-St Louis

Sat 4/18

7:00 am-1:24 pm

1 stop8h 24m

$372
Quickest round-trip

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Mon 4/13

5:13 pm-12:25 am

1 stop5h 12m

Lambert-St Louis

Sat 4/18

5:00 pm-10:39 pm

1 stop7h 39m

$382

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sun 5/3

5:13 pm-12:25 am

1 stop5h 12m

Lambert-St Louis

Wed 5/6

10:50 am-7:43 pm

2 stops10h 53m

$397

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Mon 4/13

12:16 pm-11:14 pm

2 stops8h 58m

Lambert-St Louis

Sat 4/18

5:00 pm-10:39 pm

1 stop7h 39m

$413

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 5/7

5:00 pm-12:30 am

1 stop5h 30m

Lambert-St Louis

Sun 5/10

6:21 am-2:50 pm

2 stops10h 29m

$437

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 4/7

5:19 pm-12:21 am

1 stop5h 02m

Lambert-St Louis

Wed 4/15

7:00 am-4:33 pm

2 stops11h 33m

$438

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 5/7

5:00 pm-8:10 am

2 stops13h 10m

Lambert-St Louis

Sun 5/10

6:21 am-2:50 pm

2 stops10h 29m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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 month to fly to St. Louis?

In general, September is the cheapest month to fly from Pasco to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $229. The month of January is another great option to travel to St. Louis, with average flight prices from Pasco averaging around $330.

Can stopping save me money on Pasco to St. Louis flights?

You could potentially save up to 11% on your flight if you consider stops on a Pasco to St. Louis flight.

When to book flights from Pasco to St. Louis

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

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

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

Fastest flight time

5h 02m

Direct flights

None
The fastest flight from Pasco to St. Louis takes 5h 02m
There are no direct flights from Pasco to St. Louis. There are no popular flight routes from Pasco to St. Louis.
Search flight deals

  • How far is Pasco Tri Cities to Lambert-St Louis by plane?

    There are 1553.5 mi between Pasco Tri Cities and Lambert-St Louis. A reasonable flight in good conditions will take 5h 02m.

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

    Prices for flights from Pasco Tri Cities Airport to Lambert-St Louis Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pasco Tri Cities Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis 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 Lambert-St Louis 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 Pasco to St. Louis?

Best airlines flying from Pasco to St. Louis

Compare and see reviews for airlines that fly from Pasco to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $268Free CancellationRating
7.9
8,292 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
Alton
St. Peters
Wentzville
Fenton
Farmington
Clayton
Edwardsville
Festus
Eureka
Litchfield
Shrewsbury
Grafton

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pasco to St. Louis for you.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Pasco with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pasco to St. Louis.

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

Of course. momondo tracks the price of Pasco to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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