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$157+ Cheap flights from Pasco to St. Louis (PSC - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — STL
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
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Cheap flight deals from Pasco to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Pasco (PSC) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$316
(Kiwi.com)

One-way from

$157
(Delta)

Popular in

November

Cheapest in

September

Average price

$229
Provider with most accurate pricing for Pasco Tri Cities-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Pasco Tri Cities-Lambert-St Louis flights.
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From Pasco Tri Cities to Lambert-St Louis
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One-way flight from Pasco Tri Cities to Lambert-St Louis
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Highest demand for flights based on searches. 21% potential increase in price ($125 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Pasco to St. Louis

Cheapest flights from Pasco to St. Louis
Explore the most affordable flight options available from Pasco to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:36 pmPSC - STL
1 stop14h 48mMultiple Airlines
Thu 11/66:22 pmSTL - PSC
2 stops22h 07mMultiple Airlines
Deal found 9/24$316
This KAYAK deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/153:52 pmPSC - STL
1 stop6h 11mAlaska Airlines
Sat 10/186:33 amSTL - PSC
1 stop7h 57mAlaska Airlines
Deal found 9/23$328
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:13 pmPSC - STL
1 stop5h 11mDelta
Tue 10/212:29 pmSTL - PSC
2 stops10h 26mDelta
Deal found 9/24$332
This Delta deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:10 amPSC - STL
2 stops10h 30mDelta
Fri 10/177:30 pmSTL - PSC
1 stop6h 01mDelta
Deal found 9/23$358
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:32 amPSC - STL
2 stops12h 14mUnited Airlines
Sat 10/184:50 pmSTL - PSC
1 stop5h 49mUnited Airlines
Deal found 9/23$372
This United Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:20 amPSC - STL
1 stop5h 24mUnited Airlines
Fri 10/175:35 pmSTL - PSC
1 stop7h 40mUnited Airlines
Deal found 9/23$377
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:40 amPSC - STL
2 stops19h 27mMultiple Airlines
Thu 11/209:54 pmSTL - PSC
1 stop24h 34mMultiple Airlines
Deal found 9/23$380
This Alaska Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:20 amPSC - STL
1 stop13h 39mAlaska Airlines
Thu 11/64:14 pmSTL - PSC
1 stop6h 37mAlaska Airlines
Deal found 9/24$386
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:05 amPSC - STL
1 stop6h 34mDelta
Fri 11/73:59 pmSTL - PSC
2 stops9h 32mDelta
Deal found 9/24$392
This Delta deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/151:00 pmPSC - STL
2 stops9h 24mDelta
Sat 10/186:00 amSTL - PSC
2 stops13h 04mDelta
Deal found 9/24$443

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 25, 2025.
Use the filters below to find and compare flights from Pasco to St. Louis that are best for you.

Fly from

Pasco

Fly to

St. Louis

Route

Depart

Return

Price

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 10/15

3:52 pm-12:03 am

1 stop6h 11m

Lambert-St Louis

Sat 10/18

6:33 am-12:30 pm

1 stop7h 57m

$328

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 10/16

5:13 pm-12:24 am

1 stop5h 11m

Lambert-St Louis

Tue 10/21

2:29 pm-10:55 pm

2 stops10h 26m

$332

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

$346

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 10/15

5:13 pm-12:24 am

1 stop5h 11m

Lambert-St Louis

Sat 10/18

6:40 am-5:04 pm

2 stops12h 24m

$372

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 3/3

9:30 am-8:39 pm

2 stops9h 09m

Lambert-St Louis

Wed 3/4

7:00 am-12:03 pm

1 stop7h 03m

$372

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 10/15

6:32 am-8:46 pm

2 stops12h 14m

Lambert-St Louis

Sat 10/18

12:25 pm-11:15 pm

2 stops12h 50m

$377

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 10/14

5:20 am-12:44 pm

1 stop5h 24m

Lambert-St Louis

Fri 10/17

5:35 pm-11:15 pm

1 stop7h 40m

$377

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

4:14 pm-8:51 pm

1 stop6h 37m

$386

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sun 11/2

8:20 am-11:59 pm

1 stop13h 39m

Lambert-St Louis

Thu 11/6

4:14 pm-8:51 pm

1 stop6h 37m

$386

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sun 11/2

2:47 pm-11:50 pm

1 stop7h 03m

Lambert-St Louis

Fri 11/7

7:21 am-2:17 pm

1 stop8h 56m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 19 results
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Compare providers for flights from Pasco to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pasco to St. Louis in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Pasco-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pasco-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pasco-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pasco-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Pasco-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Pasco to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Pasco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pasco to St. Louis

What is the cheapest month to book a flight from Pasco to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Pasco to St. Louis (average of $311). Flying from Pasco to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Pasco to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated September 25, 2025.
See what other customers who have flown with Delta from Pasco to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Pasco to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Pasco to St. Louis?

    Alaska Airlines, Delta, and Hawaiian Airlines can get you from Pasco to St. Louis in just under 5h 11m. Your travel time can differ by up to 1h. The distance from Pasco to St. Louis is about 1542 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Pasco to St. Louis round-trip?

    Currently priced at $273, Delta will fly you from Pasco to St. Louis and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Delta is currently priced 39% below the average price you’ll pay for this route.

  • Can I find deals for flights from Pasco to St. Louis that include hotel bookings?

    Yes. In addition to deals on Pasco to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pasco to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pasco to St. Louis.

  • Can I find deals for business class flights from Pasco to St. Louis?

    Yes. Cheapflights offers flight deals from Pasco to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pasco to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Pasco to St. Louis (average of $311). Flying from Pasco to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Top airline flying from Pasco to St. Louis

Discover the top airline that operate flights from Pasco to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$273Average$436FlexibilityNo cancel feeOn-timeN/A

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