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Pasco

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

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PSC
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap flight deals from St. Louis to Pasco

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Pasco (PSC). 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 agosto 14, 2025.

Round-trip from

$274
(Delta)

One-way from

$157
(Delta)

Popular in

June

Cheapest in

October

Average price

$410
From Lambert-St Louis to Pasco Tri Cities
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One-way flight from Lambert-St Louis to Pasco Tri Cities
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Highest demand for flights based on searches. 10% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from St. Louis to Pasco

Cheapest flights from St. Louis to Pasco
Explore the most affordable flight options available from St. Louis to Pasco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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.
sáb. 9/2710:40 amSTL - PSC
2 stops12h 15mDelta
mar. 9/305:47 pmPSC - STL
2 stops18h 29mDelta
Deal found 8/13$274
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/276:00 amSTL - PSC
1 stop8h 28mHawaiian Airlines
mar. 9/308:45 amPSC - STL
1 stop6h 49mHawaiian Airlines
Deal found 8/13$355
This Delta deal was found by Cheapflights users on 8/13. 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.
jue. 9/182:31 pmSTL - PSC
2 stops10h 40mDelta
lun. 9/225:15 pmPSC - STL
1 stop5h 23mDelta
Deal found 8/13$401
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/186:30 pmSTL - PSC
1 stop7h 38mHawaiian Airlines
lun. 9/221:05 pmPSC - STL
1 stop8h 54mHawaiian Airlines
Deal found 8/13$414
This Delta deal was found by Cheapflights users on 8/14. 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.
vie. 11/1410:45 amSTL - PSC
2 stops11h 07mDelta
dom. 11/165:00 pmPSC - STL
1 stop5h 37mDelta
Deal found 8/14$422
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
vie. 11/144:14 pmSTL - PSC
1 stop6h 37mAlaska Airlines
dom. 11/168:21 amPSC - STL
1 stop28h 57mAlaska Airlines
Deal found 8/14$435
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
mié. 12/177:00 amSTL - PSC
1 stop15h 56mAlaska Airlines
lun. 12/296:02 pmPSC - STL
1 stop27h 57mAlaska Airlines
Deal found 8/12$494

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Pasco 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 agosto 14, 2025.
Use the filters below to find and compare flights from St. Louis to Pasco that are best for you.

Fly from

St. Louis

Fly to

Pasco

Route

Depart

Return

Price

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

sáb. 9/27

10:40 am-8:55 pm

2 stops12h 15m

Pasco Tri Cities

mar. 9/30

5:47 pm-2:16 pm

2 stops18h 29m

$274

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

jue. 10/2

2:31 pm-11:11 pm

2 stops10h 40m

Pasco Tri Cities

lun. 10/6

1:00 pm-12:24 am

2 stops9h 24m

$346

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

sáb. 9/27

3:35 pm-12:08 am

1 stop10h 33m

Pasco Tri Cities

mar. 9/30

8:45 am-5:34 pm

1 stop6h 49m

$355

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

sáb. 9/13

7:40 am-12:22 pm

1 stop6h 42m

Pasco Tri Cities

sáb. 9/20

11:45 am-9:21 pm

1 stop7h 36m

$377

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

jue. 9/18

2:31 pm-11:11 pm

2 stops10h 40m

Pasco Tri Cities

lun. 9/22

5:15 pm-12:38 am

1 stop5h 23m

$401

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

mié. 10/1

2:31 pm-11:11 pm

2 stops10h 40m

$157

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

jue. 8/28

7:54 pm-8:35 am

2 stops14h 41m

$187

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

mié. 10/1

6:00 am-12:28 pm

1 stop8h 28m

$188

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

jue. 8/28

6:14 pm-11:28 pm

1 stop7h 14m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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

Have a flexible travel schedule? Discover the best time to fly to Pasco from St. Louis 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 St. Louis to Pasco

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Pasco (average of $349). Flying from St. Louis to Pasco in June is currently the most expensive (average of $438). 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.

What is the cheapest time of day to fly from STL to PSC?

Find hourly flight availability from St. Louis to Pasco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

It’s optimal to fly from St. Louis to Pasco in the morning. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Pasco

Get insights into the airlines that provide service to Pasco. 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 Pasco. Reviews last updated agosto 14, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from St. Louis to Pasco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

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

  • What are the cheapest airlines flying from St. Louis to Pasco round-trip?

    Cheapflights users have booked flights from St. Louis to Pasco round-trip from $306. Other airlines that can offer you cheap pricing are United Airlines, from $323, and Alaska Airlines, from $325. Delta is 34% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Pasco 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 St. Louis to Pasco?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Pasco (average of $349). Flying from St. Louis to Pasco in June is currently the most expensive (average of $438). 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 Pasco?

Book flights to Pasco if you plan to visit one of these locations
Kennewick
Richland

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from St. Louis to Pasco

Discover the top 3 airlines that operate flights from St. Louis to Pasco. 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$306Average$476FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$323Average$416FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$325Average$498FlexibilityNo cancel feeOn-time75%

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