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Cheap flights from Pasco to St. Louis from $293

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 10/5. 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

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
6:15 am - 6:55 pm
PSC
-
STL
10h 40m
2 stops
Delta Logo
5:00 pm - 11:59 pm
STL
-
PSC
8h 59m
2 stops
$394Delta
Wed, Aug 26 - Wed, Sep 2
Delta Logo
6:15 am - 6:55 pm
PSC
-
STL
10h 40m
2 stops
Delta Logo
5:00 pm - 11:59 pm
STL
-
PSC
8h 59m
2 stops
$409Delta
Wed, Aug 26 - Mon, Aug 31
Delta Logo
6:00 am - 1:38 pm
PSC
-
STL
5h 38m
1 stop
Delta Logo
5:00 pm - 10:15 pm
STL
-
PSC
7h 15m
1 stop
$435Delta
Wed, Aug 26 - Wed, Sep 2
United Airlines Logo
5:15 am - 12:40 pm
PSC
-
STL
5h 25m
1 stop
United Airlines Logo
12:59 pm - 8:37 pm
STL
-
PSC
9h 38m
2 stops
$440United Airlines
Wed, Aug 26 - Wed, Sep 2
Alaska Airlines Logo
1:55 pm - 11:59 pm
PSC
-
STL
8h 04m
1 stop
Alaska Airlines Logo
7:02 am - 1:18 pm
STL
-
PSC
8h 16m
1 stop
$444Alaska Airlines
Tue, Oct 6 - Wed, Oct 7
Alaska Airlines Logo
6:01 am - 3:44 pm
PSC
-
STL
7h 43m
1 stop
Alaska Airlines Logo
7:00 am - 1:12 pm
STL
-
PSC
8h 12m
1 stop
$445Alaska Airlines
Sat, Oct 31 - Tue, Nov 3
Multiple Airlines Logo
11:15 am - 11:32 am
PSC
-
STL
22h 17m
1 stop
Multiple Airlines Logo
8:10 pm - 12:56 pm
STL
-
PSC
18h 46m
2 stops
$447Multiple Airlines
Mon, Oct 5 - Thu, Oct 8
Delta Logo
6:00 am - 1:38 pm
PSC
-
STL
5h 38m
1 stop
Delta Logo
5:00 pm - 11:59 pm
STL
-
PSC
8h 59m
2 stops
$459Delta
Wed, Aug 26 - Mon, Aug 31
Alaska Airlines Logo
1:55 pm - 11:59 pm
PSC
-
STL
8h 04m
1 stop
Alaska Airlines Logo
7:02 am - 1:18 pm
STL
-
PSC
8h 16m
1 stop
$464Alaska Airlines
Tue, Oct 6 - Wed, Oct 7
Multiple Airlines Logo
11:15 am - 11:32 am
PSC
-
STL
22h 17m
1 stop
Multiple Airlines Logo
5:19 pm - 12:56 pm
STL
-
PSC
21h 37m
1 stop
$470Multiple Airlines
Mon, Oct 5 - Thu, Oct 8

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United Airlines flights from Pasco to St. Louis

Our best United Airlines deals on Pasco to St. Louis flight tickets
United Airlines
Aug 26
PSC5:15 amPasco Tri Cities
5h 25m
1 stop
STL12:40 pmLambert-St Louis
Sep 2
STL12:59 pmLambert-St Louis
9h 38m
2 stops
PSC8:37 pmPasco Tri Cities
$440
United Airlines
Aug 11
PSC6:50 amPasco Tri Cities
11h 56m
2 stops
STL8:46 pmLambert-St Louis
Aug 15
STL4:40 pmLambert-St Louis
5h 57m
1 stop
PSC8:37 pmPasco Tri Cities
$541
United Airlines
Aug 11
PSC6:50 amPasco Tri Cities
11h 56m
2 stops
STL8:46 pmLambert-St Louis
Aug 15
STL12:59 pmLambert-St Louis
9h 38m
2 stops
PSC8:37 pmPasco Tri Cities
$596

Alaska Airlines flights from Pasco to St. Louis

Our best Alaska Airlines deals on Pasco to St. Louis flight tickets
Alaska Airlines
Oct 6
PSC1:55 pmPasco Tri Cities
8h 04m
1 stop
STL11:59 pmLambert-St Louis
Oct 7
STL7:02 amLambert-St Louis
8h 16m
1 stop
PSC1:18 pmPasco Tri Cities
$444
Alaska Airlines
Oct 31
PSC6:01 amPasco Tri Cities
7h 43m
1 stop
STL3:44 pmLambert-St Louis
Nov 3
STL7:00 amLambert-St Louis
8h 12m
1 stop
PSC1:12 pmPasco Tri Cities
$445
Alaska Airlines
Oct 6
PSC1:55 pmPasco Tri Cities
8h 04m
1 stop
STL11:59 pmLambert-St Louis
Oct 7
STL7:02 amLambert-St Louis
8h 16m
1 stop
PSC1:18 pmPasco Tri Cities
$464

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 July 31, 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

Wed 8/26

6:15 am-6:55 pm

2 stops10h 40m

Lambert-St Louis

Wed 9/2

5:00 pm-11:59 pm

2 stops8h 59m

$394

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 8/26

6:15 am-6:55 pm

2 stops10h 40m

Lambert-St Louis

Mon 8/31

5:00 pm-11:59 pm

2 stops8h 59m

$409
Quickest round-trip

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 8/26

6:00 am-1:38 pm

1 stop5h 38m

Lambert-St Louis

Wed 9/2

5:00 pm-10:15 pm

1 stop7h 15m

$435

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 8/26

5:15 am-12:40 pm

1 stop5h 25m

Lambert-St Louis

Wed 9/2

12:59 pm-8:37 pm

2 stops9h 38m

$440

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 10/6

1:55 pm-11:59 pm

1 stop8h 04m

Lambert-St Louis

Wed 10/7

7:02 am-1:18 pm

1 stop8h 16m

$444

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sat 10/31

6:01 am-3:44 pm

1 stop7h 43m

Lambert-St Louis

Tue 11/3

7:00 am-1:12 pm

1 stop8h 12m

$445

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Mon 10/5

11:15 am-11:32 am

1 stop22h 17m

Lambert-St Louis

Thu 10/8

8:10 pm-12:56 pm

2 stops18h 46m

$447

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 8/26

6:00 am-1:38 pm

1 stop5h 38m

Lambert-St Louis

Mon 8/31

5:00 pm-11:59 pm

2 stops8h 59m

$459

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 10/6

1:55 pm-11:59 pm

1 stop8h 04m

Lambert-St Louis

Wed 10/7

7:02 am-1:18 pm

1 stop8h 16m

$464

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Mon 10/5

11:15 am-11:32 am

1 stop22h 17m

Lambert-St Louis

Thu 10/8

5:19 pm-12:56 pm

1 stop21h 37m

$470

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 12% 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 17m

Direct flights

None
The fastest flight from Pasco to St. Louis takes 5h 17m
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 17m.

  • 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 $273Free CancellationRating
7.8
8,494 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
Fairview Heights
Hermann
St. Peters
Maryland Heights
Florissant
Collinsville
O'Fallon
Alton
Fenton
Farmington
Clayton
Wentzville
Festus
Eureka
Litchfield
Edwardsville
Grafton
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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