Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Pasco to St. Louis from $179

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 5/30. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pasco to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:00 pm - 12:30 am
PSC
-
STL
5h 30m
1 stop
Delta Logo
7:59 pm - 11:46 pm
STL
-
PSC
5h 47m
1 stop
$402Delta
Thu, May 21 - Tue, May 26
Alaska Airlines Logo
6:00 am - 2:04 pm
PSC
-
STL
6h 04m
1 stop
Alaska Airlines Logo
5:59 pm - 10:48 pm
STL
-
PSC
6h 49m
1 stop
$425Alaska Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
7:00 am - 6:17 pm
PSC
-
STL
9h 17m
1 stop
United Airlines Logo
7:23 pm - 12:50 am
STL
-
PSC
7h 27m
1 stop
$436United Airlines
Fri, May 29 - Mon, Jun 1
Delta Logo
5:00 pm - 12:30 am
PSC
-
STL
5h 30m
1 stop
Delta Logo
5:36 pm - 11:46 pm
STL
-
PSC
8h 10m
2 stops
$441Delta
Fri, May 29 - Mon, Jun 1
Delta Logo
7:05 am - 9:09 pm
PSC
-
STL
12h 04m
2 stops
Delta Logo
5:36 pm - 11:46 pm
STL
-
PSC
8h 10m
2 stops
$446Delta
Fri, May 29 - Mon, Jun 1
Delta Logo
2:46 pm - 12:30 am
PSC
-
STL
7h 44m
1 stop
Delta Logo
1:59 pm - 11:46 pm
STL
-
PSC
11h 47m
2 stops
$452Delta
Thu, May 21 - Tue, May 26
Delta Logo
5:00 pm - 12:30 am
PSC
-
STL
5h 30m
1 stop
Delta Logo
7:59 pm - 11:46 pm
STL
-
PSC
5h 47m
1 stop
$469Delta
Thu, May 21 - Tue, May 26
Alaska Airlines Logo
11:41 am - 11:54 pm
PSC
-
STL
10h 13m
1 stop
Alaska Airlines Logo
4:12 pm - 9:29 pm
STL
-
PSC
7h 17m
1 stop
$470Alaska Airlines
Thu, May 21 - Tue, May 26
Delta Logo
6:00 am - 1:32 pm
PSC
-
STL
5h 32m
1 stop
Delta Logo
1:59 pm - 11:46 pm
STL
-
PSC
11h 47m
2 stops
$474Delta
Thu, May 21 - Tue, May 26
Delta Logo
5:21 pm - 8:19 am
PSC
-
STL
12h 58m
2 stops
Delta Logo
6:59 pm - 11:36 pm
STL
-
PSC
6h 37m
1 stop
$475Delta
Thu, Aug 6 - Mon, Aug 10

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Alaska Airlines flights from Pasco to St. Louis

Our best Alaska Airlines deals on Pasco to St. Louis flight tickets
Alaska Airlines
Aug 25
PSC6:00 amPasco Tri Cities
6h 04m
1 stop
STL2:04 pmLambert-St Louis
Aug 29
STL5:59 pmLambert-St Louis
6h 49m
1 stop
PSC10:48 pmPasco Tri Cities
$425
Alaska Airlines
May 21
PSC11:41 amPasco Tri Cities
10h 13m
1 stop
STL11:54 pmLambert-St Louis
May 26
STL4:12 pmLambert-St Louis
7h 17m
1 stop
PSC9:29 pmPasco Tri Cities
$470
Alaska Airlines
May 29
PSC1:51 pmPasco Tri Cities
8h 03m
1 stop
STL11:54 pmLambert-St Louis
May 31
STL7:41 pmLambert-St Louis
6h 33m
1 stop
PSC12:14 amPasco Tri Cities
$509

American Airlines flights from Pasco to St. Louis

Our best American Airlines deals on Pasco to St. Louis flight tickets
American Airlines
May 29
PSC3:29 pmPasco Tri Cities
6h 29m
1 stop
STL11:58 pmLambert-St Louis
Jun 1
STL8:00 amLambert-St Louis
8h 58m
1 stop
PSC2:58 pmPasco Tri Cities
$542
American Airlines
May 16
PSC5:00 amPasco Tri Cities
6h 51m
1 stop
STL1:51 pmLambert-St Louis
May 20
STL2:37 pmLambert-St Louis
7h 11m
1 stop
PSC7:48 pmPasco Tri Cities
$551
American Airlines
May 29
PSC3:29 pmPasco Tri Cities
6h 29m
1 stop
STL11:58 pmLambert-St Louis
May 31
STL8:00 amLambert-St Louis
8h 58m
1 stop
PSC2:58 pmPasco Tri Cities
$562

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 May 3, 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
Quickest round-trip

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 5/21

5:00 pm-12:30 am

1 stop5h 30m

Lambert-St Louis

Tue 5/26

7:59 pm-11:46 pm

1 stop5h 47m

$402

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 8/25

6:00 am-2:04 pm

1 stop6h 04m

Lambert-St Louis

Sat 8/29

5:59 pm-10:48 pm

1 stop6h 49m

$425

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Fri 5/29

7:00 am-6:17 pm

1 stop9h 17m

Lambert-St Louis

Mon 6/1

7:23 pm-12:50 am

1 stop7h 27m

$436

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Fri 5/29

5:00 pm-12:30 am

1 stop5h 30m

Lambert-St Louis

Mon 6/1

5:36 pm-11:46 pm

2 stops8h 10m

$441

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Fri 5/29

7:05 am-9:09 pm

2 stops12h 04m

Lambert-St Louis

Mon 6/1

5:36 pm-11:46 pm

2 stops8h 10m

$446

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 5/21

2:46 pm-12:30 am

1 stop7h 44m

Lambert-St Louis

Tue 5/26

1:59 pm-11:46 pm

2 stops11h 47m

$452

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 5/21

5:00 pm-12:30 am

1 stop5h 30m

Lambert-St Louis

Tue 5/26

7:59 pm-11:46 pm

1 stop5h 47m

$469

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 5/21

11:41 am-11:54 pm

1 stop10h 13m

Lambert-St Louis

Tue 5/26

4:12 pm-9:29 pm

1 stop7h 17m

$470

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 5/21

6:00 am-1:32 pm

1 stop5h 32m

Lambert-St Louis

Tue 5/26

1:59 pm-11:46 pm

2 stops11h 47m

$474

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 8/6

5:21 pm-8:19 am

2 stops12h 58m

Lambert-St Louis

Mon 8/10

6:59 pm-11:36 pm

1 stop6h 37m

$475

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

What is the cheapest month to fly to St. Louis?

In general, March 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 $0. The month of September is another great option to travel to St. Louis, with average flight prices from Pasco averaging around $229.

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

You could potentially save up to 37% 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 15m

Direct flights

None
The fastest flight from Pasco to St. Louis takes 5h 15m
There are no direct flights from Pasco to St. Louis. There are no popular flight routes from Pasco to St. Louis.
Search flight deals

Frequently asked questions about flying from Pasco to St. Louis

  • 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 15m.

  • 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 $229Free CancellationRating
7.9
8,460 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
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Festus
Clayton
Eureka
Litchfield
Edwardsville
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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/2
Tue 6/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States