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

Delta and Alaska Airlines can get you from St. Louis to Pasco in just under 9h 29m. Your travel time can differ by up to 10h 44m. There are 1542 mi between St. Louis and Pasco. Both multi-stop and nonstop flights can be found to your destination and back.

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 $188. Another airline that can offer you cheap pricing is United Airlines. Delta is 61% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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).

Most accurate provider : When it comes to deals on St. Louis-Pasco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Pasco flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$172+ Flights from St. Louis to Pasco

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

Airfare is below average for this route at the moment. St. Louis to Pasco flights typically cost between $487 and $498 in January. The cheapest round-trip price found within the last 3 days was $256 on Delta (Jan 13-Jan 20).

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Cheap 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 December 18, 2025.

Thu 12/187:00 amSTL - PSC

1 stop8h 12mAlaska Airlines

Sun 1/115:59 amPSC - STL

1 stop5h 55mAlaska Airlines

Deal found 12/17

$644

Thu 12/1812:49 pmSTL - PSC

1 stop9h 03mDelta

Sun 1/111:00 pmPSC - STL

2 stops8h 25mDelta

Deal found 12/17

$692

Thu 12/189:55 amSTL - PSC

2 stops13h 08mUnited Airlines

Sun 1/1112:45 pmPSC - STL

1 stop6h 13mUnited Airlines

Deal found 12/16

$705

Best flights from St. Louis to Pasco
Discover carefully curated flight deals from St. Louis to Pasco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Tue 1/133:40 pmSTL - PSC

2 stops9h 29mDelta

Tue 1/201:00 pmPSC - STL

2 stops8h 25mDelta

Deal found 12/16

$256

Tue 1/132:50 pmSTL - PSC

1 stop20h 13mAlaska Airlines

Tue 1/208:27 amPSC - STL

1 stop27h 27mAlaska Airlines

Deal found 12/16

$324

Wed 1/212:45 pmSTL - PSC

1 stop8h 28mUnited Airlines

Sat 1/246:05 amPSC - STL

2 stops13h 08mUnited Airlines

Deal found 12/17

$418

Fri 1/162:50 pmSTL - PSC

1 stop8h 07mAlaska Airlines

Mon 1/196:19 pmPSC - STL

1 stop17h 35mAlaska Airlines

Deal found 12/16

$382

Wed 1/212:50 pmSTL - PSC

1 stop23h 54mAlaska Airlines

Sat 1/248:27 amPSC - STL

1 stop27h 27mAlaska Airlines

Deal found 12/15

$395

Last-minute flights from St. Louis to Pasco
Discover last-minute flight deals from St. Louis to Pasco. Data last updated December 18, 2025 and is based on user searches.

Fri 1/22:45 pmSTL - PSC

1 stop8h 18mUnited Airlines

Tue 1/612:45 pmPSC - STL

1 stop6h 13mUnited Airlines

Deal found 12/17

$569

Tue 1/133:40 pmSTL - PSC

2 stops9h 29mDelta

Tue 1/201:00 pmPSC - STL

2 stops8h 25mDelta

Deal found 12/16

$256

Tue 1/132:50 pmSTL - PSC

1 stop20h 13mAlaska Airlines

Tue 1/208:27 amPSC - STL

1 stop27h 27mAlaska Airlines

Deal found 12/16

$324

Fri 1/162:50 pmSTL - PSC

1 stop8h 07mAlaska Airlines

Mon 1/196:19 pmPSC - STL

1 stop17h 35mAlaska Airlines

Deal found 12/16

$382

Wed 1/212:50 pmSTL - PSC

1 stop23h 54mAlaska Airlines

Sat 1/248:27 amPSC - STL

1 stop27h 27mAlaska Airlines

Deal found 12/15

$395

Wed 1/212:45 pmSTL - PSC

1 stop8h 28mUnited Airlines

Sat 1/246:05 amPSC - STL

2 stops13h 08mUnited Airlines

Deal found 12/17

$418

One-way flights from St. Louis to Pasco
Search for one-way flight options from St. Louis to Pasco. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Mon 1/193:31 pmSTL - PSC

1 stop6h 25mDelta

Deal found 12/17

$172

Thu 1/156:35 amSTL - PSC

2 stops11h 48mDelta

Deal found 12/16

$188

Mon 1/192:38 pmSTL - PSC

1 stop7h 20mAmerican Airlines

Deal found 12/17

$209

Thu 1/152:45 pmSTL - PSC

1 stop8h 28mUnited Airlines

Deal found 12/16

$210

Mon 1/199:57 amSTL - PSC

2 stops13h 13mUnited Airlines

Deal found 12/17

$305

Mon 1/198:32 pmSTL - PSC

3 stops38h 31mMultiple Airlines

Deal found 12/17

$336

Thu 1/151:35 pmSTL - PSC

3 stops33h 22mMultiple Airlines

Deal found 12/16

$453

Find flight deals from St. Louis to Pasco

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$256 (Delta)
One-way from	$172 (Delta)
Popular in	June
Cheapest in	May
Average price	$498

Provider with most accurate pricing for Lambert-St Louis-Pasco Tri Cities flight deals.

Search Deals

Provider most trusted by Cheapflights users for Lambert-St Louis-Pasco Tri Cities flights.

Search Deals

From Lambert-St Louis to Pasco Tri Cities

Search Deals

One-way flight from Lambert-St Louis to Pasco Tri Cities

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($34 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Tue 1/13

3:40 pm-11:09 pm

2 stops9h 29m

Pasco Tri Cities

Tue 1/20

1:00 pm-11:25 pm

2 stops8h 25m

$256

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Tue 1/13

2:50 pm-9:03 am

1 stop20h 13m

Pasco Tri Cities

Tue 1/20

8:27 am-1:54 pm

1 stop27h 27m

$324

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Fri 1/16

2:50 pm-8:57 pm

1 stop8h 07m

Pasco Tri Cities

Mon 1/19

6:19 pm-1:54 pm

1 stop17h 35m

$382

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 1/21

2:50 pm-12:44 pm

1 stop23h 54m

Pasco Tri Cities

Sat 1/24

8:27 am-1:54 pm

1 stop27h 27m

$395

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Wed 1/21

2:45 pm-9:13 pm

1 stop8h 28m

Pasco Tri Cities

Sat 1/24

6:05 am-9:13 pm

2 stops13h 08m

$418

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Mon 1/19

3:31 pm-7:56 pm

1 stop6h 25m

$172

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Thu 1/15

6:35 am-4:23 pm

2 stops11h 48m

$188

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Mon 1/19

2:38 pm-7:58 pm

1 stop7h 20m

$209

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Thu 1/15

2:45 pm-9:13 pm

1 stop8h 28m

$210

St. LouisPasco

STL - PSC

STLPSC

Lambert-St Louis

Mon 1/19

9:57 am-9:10 pm

2 stops13h 13m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 12 results

Compare providers for flights from St. Louis to Pasco

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Pasco flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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, July is the cheapest month in which you can book a flight from St. Louis to Pasco (average of $189). Flying from St. Louis to Pasco in January is currently the most expensive (average of $640). 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?

It’s optimal to fly from St. Louis to Pasco in the morning. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the evening.

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

Reviews of airlines servicing Pasco

Get a feel of what it's like to fly with 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.

Delta

7.9

Good

8,005 reviews

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

8,005 reviews

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,092 reviews

Delta

7.9

Good

8,005 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from St. Louis to Pasco?
Delta and Alaska Airlines can get you from St. Louis to Pasco in just under 9h 29m. Your travel time can differ by up to 10h 44m. There are 1542 mi between St. Louis and Pasco. Both multi-stop and nonstop flights can be found to your destination and back.
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 $188. Another airline that can offer you cheap pricing is United Airlines. Delta is 61% 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, July is the cheapest month in which you can book a flight from St. Louis to Pasco (average of $189). Flying from St. Louis to Pasco in January is currently the most expensive (average of $640). 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

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Other flights to Pasco

Top 2 airlines flying from St. Louis to Pasco

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$323	Average$442	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$352	Average$476	FlexibilityNo cancel fee	On-timeN/A

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$172+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Pasco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Pasco

Cheapest flights from St. Louis to PascoExplore 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 December 18, 2025.

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 December 18, 2025.

Find flight deals from St. Louis to Pasco

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Pasco that are best for you.

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 December.

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.

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?

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

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

Reviews of airlines servicing Pasco

Get a feel of what it's like to fly with 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.

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.

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

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

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

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

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

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

Traveling to a place near Pasco?

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Top 2 airlines flying from St. Louis to Pasco

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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 December 18, 2025.