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$169+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — STL
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap 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 February 11, 2026.

This Delta deal was found by Cheapflights users on 2/10. 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 3/35:00 pm
PSC
-
STL
1 stop5h 25m
Delta
Tue 3/103:05 pm
STL
-
PSC
1 stop6h 51m
Delta
Deal found 2/10$247
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
Sat 2/285:12 am
PSC
-
STL
1 stop6h 39m
Alaska Airlines
Wed 3/47:00 am
STL
-
PSC
1 stop7h 19m
Alaska Airlines
Deal found 2/7$307
This Delta deal was found by Cheapflights users on 2/9. 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 4/225:13 pm
PSC
-
STL
1 stop5h 12m
Delta
Tue 4/283:25 pm
STL
-
PSC
2 stops10h 14m
Delta
Deal found 2/9$333
This Delta deal was found by Cheapflights users on 2/11. 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 3/125:19 pm
PSC
-
STL
1 stop5h 02m
Delta
Wed 3/183:05 pm
STL
-
PSC
1 stop6h 51m
Delta
Deal found 2/11$347
This Delta deal was found by Cheapflights users on 2/11. 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 3/125:19 pm
PSC
-
STL
1 stop5h 02m
Delta
Tue 3/1710:50 am
STL
-
PSC
2 stops11h 06m
Delta
Deal found 2/11$352
This Delta deal was found by Cheapflights users on 2/8. 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 3/85:19 pm
PSC
-
STL
1 stop5h 02m
Delta
Thu 3/126:12 pm
STL
-
PSC
1 stop7h 17m
Delta
Deal found 2/8$363
This Delta deal was found by Cheapflights users on 2/11. 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 3/186:30 am
PSC
-
STL
1 stop5h 54m
Delta
Mon 3/236:12 pm
STL
-
PSC
1 stop7h 17m
Delta
Deal found 2/11$398
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/181:11 pm
PSC
-
STL
1 stop8h 47m
Alaska Airlines
Wed 6/242:58 pm
STL
-
PSC
1 stop8h 43m
Alaska Airlines
Deal found 2/9$407

Find 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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(Delta)

One-way from

$169
(Alaska Airlines)

Popular in

February

Cheapest in

September

Average price

$743
Provider with most accurate pricing for Pasco Tri Cities-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pasco Tri Cities-Lambert-St Louis flights.
Search Deals
From Pasco Tri Cities to Lambert-St Louis
Search Deals
One-way flight from Pasco Tri Cities to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 11, 2026.
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

Tue 3/3

5:00 pm-12:25 am

1 stop5h 25m

Lambert-St Louis

Tue 3/10

3:05 pm-7:56 pm

1 stop6h 51m

$247

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 4/22

5:13 pm-12:25 am

1 stop5h 12m

Lambert-St Louis

Tue 4/28

6:45 pm-11:39 pm

1 stop6h 54m

$247

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sat 2/28

5:12 am-1:51 pm

1 stop6h 39m

Lambert-St Louis

Wed 3/4

7:00 am-12:19 pm

1 stop7h 19m

$307

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 3/19

5:19 pm-12:21 am

1 stop5h 02m

Lambert-St Louis

Tue 3/24

3:05 pm-7:56 pm

1 stop6h 51m

$347

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 3/12

5:19 pm-12:21 am

1 stop5h 02m

Lambert-St Louis

Tue 3/17

3:05 pm-7:56 pm

1 stop6h 51m

$347

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 3/12

5:19 pm-12:21 am

1 stop5h 02m

Lambert-St Louis

Wed 3/18

3:05 pm-7:56 pm

1 stop6h 51m

$347

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sun 3/8

5:19 pm-12:21 am

1 stop5h 02m

Lambert-St Louis

Thu 3/12

6:12 pm-11:29 pm

1 stop7h 17m

$363

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 3/18

6:30 am-2:24 pm

1 stop5h 54m

Lambert-St Louis

Mon 3/23

6:12 pm-11:29 pm

1 stop7h 17m

$398

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Fri 3/13

7:04 pm-1:51 pm

1 stop16h 47m

$169

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Fri 3/13

1:56 pm-11:59 pm

1 stop8h 03m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 11 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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, September is the cheapest month in which you can book a flight from Pasco to St. Louis (average of $193). Flying from Pasco to St. Louis in February is currently the most expensive (average of $743). 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.

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 February 11, 2026.
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
7.9
Good
8,179 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,179 reviews
Delta
7.9
Good
8,179 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Delta and Alaska Airlines can get you from Pasco to St. Louis in just under 5h 25m. Your travel time can differ by up to 1h 14m. 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 $268, 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 38% 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, September is the cheapest month in which you can book a flight from Pasco to St. Louis (average of $193). Flying from Pasco to St. Louis in February is currently the most expensive (average of $743). 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$398FlexibilityNo cancel feeOn-timeN/A

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