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$130+ 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
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
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 June 30, 2025.

Round-trip from

$260
(Hawaiian Airlines)

One-way from

$130
(Hawaiian Airlines)

Popular in

June

Cheapest in

October

Average price

$918
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. 16% potential increase in price ($97 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 30, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/29. 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.
Sat 9/276:00 amSTL - PSC
1 stop8h 28mHawaiian Airlines
Tue 9/308:45 amPSC - STL
1 stop6h 49mHawaiian Airlines
Deal found 6/29$260
This Delta deal was found by Cheapflights users on 6/29. 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.
Sat 9/277:10 amSTL - PSC
2 stops11h 32mDelta
Tue 9/305:15 pmPSC - STL
1 stop5h 23mDelta
Deal found 6/29$266
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Fri 10/36:30 pmSTL - PSC
1 stop28h 44mAlaska Airlines
Tue 10/73:52 pmPSC - STL
1 stop6h 07mAlaska Airlines
Deal found 6/30$327
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Fri 10/312:25 pmSTL - PSC
2 stops12h 50mUnited Airlines
Tue 10/76:32 amPSC - STL
3 stops13h 27mUnited Airlines
Deal found 6/28$553
This American Airlines deal was found by Cheapflights users on 6/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:44 amSTL - PSC
1 stop7h 48mAmerican Airlines
Sun 7/132:55 pmPSC - STL
1 stop7h 33mAmerican Airlines
Deal found 6/27$564

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 June 30, 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

Sat 9/27

6:00 am-12:28 pm

1 stop8h 28m

Pasco Tri Cities

Tue 9/30

8:45 am-5:34 pm

1 stop6h 49m

$260

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Sat 9/27

7:10 am-4:42 pm

2 stops11h 32m

Pasco Tri Cities

Tue 9/30

5:15 pm-12:38 am

1 stop5h 23m

$266

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 10/3

6:30 pm-9:14 pm

1 stop28h 44m

Pasco Tri Cities

Tue 10/7

3:52 pm-11:59 pm

1 stop6h 07m

$327

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 10/3

12:25 pm-11:15 pm

2 stops12h 50m

Pasco Tri Cities

Tue 10/7

6:32 am-9:59 pm

3 stops13h 27m

$553

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 7/11

7:44 am-1:32 pm

1 stop7h 48m

Pasco Tri Cities

Sun 7/13

2:55 pm-12:28 am

1 stop7h 33m

$564

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 10/1

6:00 am-12:28 pm

1 stop8h 28m

$130

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 10/1

2:15 pm-11:28 pm

2 stops11h 13m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 July is currently the most expensive (average of $442). 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 June 30, 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 June 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and Hawaiian 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

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,529 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,852 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $260. Other airlines that can offer you cheap pricing are Delta, from $266, and Alaska Airlines, from $327. Hawaiian Airlines is 46% 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 July is currently the most expensive (average of $442). 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
Kennewick
Richland

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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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$306Average$468FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$323Average$442FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$325Average$501FlexibilityNo cancel feeOn-time75%

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