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Cheap flights from Pasco to St. Louis from $135

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 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Pasco to St. Louis

Cheap round-trip flights

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Hawaiian Airlines Logo
6:01 am - 1:52 pmPSC-STL
5h 51m1 stop
Hawaiian Airlines Logo
2:55 pm - 8:56 pmSTL-PSC
8h 01m1 stop
$330Hawaiian Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
Delta Logo
1:00 pm - 12:46 amPSC-STL
9h 46m2 stops
Delta Logo
6:34 am - 4:23 pmSTL-PSC
11h 49m2 stops
$355Delta
Find Deal
Mon, Nov 17 - Thu, Nov 20
Delta Logo
5:20 am - 8:39 pmPSC-STL
13h 19m2 stops
Delta Logo
7:00 am - 12:03 pmSTL-PSC
7h 03m1 stop
$360Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
Hawaiian Airlines Logo
6:01 am - 1:52 pmPSC-STL
5h 51m1 stop
Hawaiian Airlines Logo
7:00 am - 1:04 pmSTL-PSC
8h 04m1 stop
$362Hawaiian Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
Delta Logo
5:03 pm - 12:46 amPSC-STL
5h 43m1 stop
Delta Logo
2:21 pm - 11:01 pmSTL-PSC
10h 40m2 stops
$363Delta
Find Deal
Mon, Nov 17 - Thu, Nov 20
Alaska Airlines Logo
8:21 am - 11:59 pmPSC-STL
13h 38m1 stop
Alaska Airlines Logo
7:00 am - 8:51 pmSTL-PSC
15h 51m1 stop
$376Alaska Airlines
Find Deal
Mon, Nov 17 - Thu, Nov 20
Alaska Airlines Logo
8:21 am - 11:59 pmPSC-STL
13h 38m1 stop
Alaska Airlines Logo
4:14 pm - 8:51 pmSTL-PSC
6h 37m1 stop
$568Alaska Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
United Airlines Logo
12:45 pm - 9:54 pmPSC-STL
7h 09m1 stop
United Airlines Logo
11:05 am - 11:07 pmSTL-PSC
14h 02m2 stops
$594United Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Multiple Airlines Logo
4:41 pm - 9:09 pmPSC-STL
26h 28m1 stop
Multiple Airlines Logo
9:54 pm - 2:19 pmSTL-PSC
18h 25m1 stop
$674Multiple Airlines
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Wed, Nov 26 - Sun, Nov 30
Multiple Airlines Logo
4:41 pm - 6:58 pmPSC-STL
24h 17m2 stops
Multiple Airlines Logo
9:54 pm - 2:19 pmSTL-PSC
18h 25m1 stop
$738Multiple Airlines
Find Deal
Wed, Nov 26 - Sun, Nov 30

Alaska Airlines flights from Pasco to St. Louis

Our best Alaska Airlines deals on Pasco to St. Louis flight tickets
Alaska Airlines
Nov 17
PSC8:21 amPasco Tri Cities
13h 38m
1 stop
STL11:59 pmLambert-St Louis
Nov 20
STL7:00 amLambert-St Louis
15h 51m
1 stop
PSC8:51 pmPasco Tri Cities
$376
Find similar
Alaska Airlines
Nov 13
PSC8:21 amPasco Tri Cities
13h 38m
1 stop
STL11:59 pmLambert-St Louis
Nov 17
STL4:14 pmLambert-St Louis
6h 37m
1 stop
PSC8:51 pmPasco Tri Cities
$568
Find similar
Alaska Airlines
Nov 14
PSC1:36 pmPasco Tri Cities
8h 20m
2 stops
STL11:56 pmLambert-St Louis
Nov 17
STL11:42 amLambert-St Louis
11h 09m
2 stops
PSC8:51 pmPasco Tri Cities
$699
Find similar

Hawaiian Airlines flights from Pasco to St. Louis

Our best Hawaiian Airlines deals on Pasco to St. Louis flight tickets
Hawaiian Airlines
Mar 3
PSC6:01 amPasco Tri Cities
5h 51m
1 stop
STL1:52 pmLambert-St Louis
Mar 4
STL2:55 pmLambert-St Louis
8h 01m
1 stop
PSC8:56 pmPasco Tri Cities
$330
Find similar
Hawaiian Airlines
Mar 3
PSC6:01 amPasco Tri Cities
5h 51m
1 stop
STL1:52 pmLambert-St Louis
Mar 4
STL7:00 amLambert-St Louis
8h 04m
1 stop
PSC1:04 pmPasco Tri Cities
$362
Find similar

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 October 30, 2025.
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

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 3/3

6:01 am-1:52 pm

1 stop5h 51m

Lambert-St Louis

Wed 3/4

2:55 pm-8:56 pm

1 stop8h 01m

$330

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Mon 11/17

1:00 pm-12:46 am

2 stops9h 46m

Lambert-St Louis

Thu 11/20

6:34 am-4:23 pm

2 stops11h 49m

$355

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 3/3

5:20 am-8:39 pm

2 stops13h 19m

Lambert-St Louis

Wed 3/4

7:00 am-12:03 pm

1 stop7h 03m

$360

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 3/3

6:01 am-1:52 pm

1 stop5h 51m

Lambert-St Louis

Wed 3/4

7:00 am-1:04 pm

1 stop8h 04m

$362

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Mon 11/17

5:03 pm-12:46 am

1 stop5h 43m

Lambert-St Louis

Thu 11/20

2:21 pm-11:01 pm

2 stops10h 40m

$363

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Mon 11/17

8:21 am-11:59 pm

1 stop13h 38m

Lambert-St Louis

Thu 11/20

7:00 am-8:51 pm

1 stop15h 51m

$376

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 11/13

8:21 am-11:59 pm

1 stop13h 38m

Lambert-St Louis

Mon 11/17

4:14 pm-8:51 pm

1 stop6h 37m

$568

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Fri 11/14

12:45 pm-9:54 pm

1 stop7h 09m

Lambert-St Louis

Mon 11/17

11:05 am-11:07 pm

2 stops14h 02m

$594

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 11/26

4:41 pm-9:09 pm

1 stop26h 28m

Lambert-St Louis

Sun 11/30

9:54 pm-2:19 pm

1 stop18h 25m

$674

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 11/26

4:41 pm-6:58 pm

2 stops24h 17m

Lambert-St Louis

Sun 11/30

9:54 pm-2:19 pm

1 stop18h 25m

$738

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

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 $336.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $453. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $768. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Pasco at noon is the least expensive time of day to depart. momondo users have found prices as low as $505 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $588 per ticket.

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

You could potentially save up to 34% 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

Direct flights

None
There are no direct flights from Pasco to St. Louis. There are no popular flight routes from Pasco to St. Louis.
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  • 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 43m.

  • 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
7,998 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
Florissant
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
Shrewsbury

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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