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$192+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PSC
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$412
(Alaska Airlines)

One-way from

$192
(Delta)

Popular in

November

Cheapest in

October

Average price

$493
Provider with most accurate pricing for Lambert-St Louis-Pasco Tri Cities flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Pasco Tri Cities flights.
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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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High demand for flights, 4% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 1/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/216:44 amSTL - PSC
1 stop16h 24mAlaska Airlines
Mon 3/246:03 pmPSC - STL
1 stop27h 56mAlaska Airlines
Deal found 1/29$412
This Delta deal was found by Cheapflights users on 1/29. 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.
Fri 3/216:00 amSTL - PSC
2 stops12h 31mDelta
Mon 3/245:11 pmPSC - STL
1 stop5h 21mDelta
Deal found 1/29$436
This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/136:09 amSTL - PSC
1 stop7h 26mUnited Airlines
Sun 6/155:25 amPSC - STL
1 stop5h 18mUnited Airlines
Deal found 1/29$589

Find flights from St. Louis to Pasco within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 3/21

6:44 am-9:08 pm

1 stop16h 24m

Pasco Tri Cities

Mon 3/24

6:03 pm-11:59 pm

1 stop27h 56m

$412

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 3/21

6:00 am-4:31 pm

2 stops12h 31m

Pasco Tri Cities

Mon 3/24

5:11 pm-12:32 am

1 stop5h 21m

$436

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 6/13

6:09 am-11:35 am

1 stop7h 26m

Pasco Tri Cities

Sun 6/15

5:25 am-12:43 pm

1 stop5h 18m

$589

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Mon 2/24

3:35 pm-11:59 pm

2 stops10h 24m

$192

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Mon 2/24

2:12 pm-7:54 pm

1 stop7h 42m

$250

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 2/12

2:49 pm-8:59 pm

1 stop8h 10m

$264

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Mon 6/2

1:30 pm-11:01 pm

2 stops11h 31m

$272

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Thu 2/13

4:00 pm-8:37 pm

3 stops30h 37m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Compare providers for flights from St. Louis to Pasco

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 St. Louis to Pasco in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust 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 St. Louis-Pasco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Pasco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Pasco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Pasco 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 St. Louis-Pasco 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 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.

Travel insights for flights from St. Louis to Pasco

Get recent, data-driven insights about flights from St. Louis to Pasco including ideal travel times, pricing trends, and more.

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 $537). 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 January 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.

Rainfall in Pasco by month

Plan your trip to Pasco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pasco ranges from 0.3 - 1.2 inches per month. January is typically the wettest month, when rainfall can reach 1.2 in. July is typically the driest time to visit Pasco when rainfall is around 0.3 in.

Temperature in Pasco by month

Plan your trip to Pasco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pasco, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 33.8 F).

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 January 30, 2025.
Alaska Airlines
8.0
Very good
9,686 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

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
9,686 reviews
Alaska Airlines
8.0
Very good
9,686 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

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
8,450 reviews
Alaska Airlines
8.0
Very good
9,686 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

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
8,906 reviews
Alaska Airlines
8.0
Very good
9,686 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

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
9,686 reviews

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.1

Comfort

7.9

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 $412. Other airlines that can offer you cheap pricing are Delta, from $436, and United Airlines, from $589. Alaska Airlines is 21% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Pasco one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $192. Users have also found prices from $250 and $264 on American Airlines and Alaska Airlines, respectively.

  • 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 $537). 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$306Average$488FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$325Average$501FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$540Average$657FlexibilityNo cancel feeOn-time69%
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