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

Currently priced at $347, 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. Search Cheapflights for deals from Alaska Airlines and United Airlines - these airlines can fly you to your destination from $489 and $545, respectively. Delta is currently priced 33% below the average price you’ll pay for this route.

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

The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $193. However, be on the lookout for offers from Delta and Hawaiian Airlines, as they are both options that can get you from Pasco to St. Louis for a low price.

What is the cheapest day to fly from Pasco to St. Louis?

Travelers seeking maximum savings on their Pasco to St. Louis flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Pasco to St. Louis?

Travelers have found that booking a Wednesday departure is the best way to save up to 69% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Pasco to St. Louis?

January is one of the best times of the year to fly to St. Louis from Pasco. Prices for January average $521 per person but you can even find prices for as low as $321. The most expensive prices can be found in the month of December. Opting for a January flight can save you 47% on your journey compared to booking in December

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

One of the essential ways to save on airfare from Pasco to St. Louis is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 15% on airfare.

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.

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.

$193+ Flights from Pasco to St. Louis

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1. Tell us where you want to go

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Cheap flight deals from Pasco to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$347 (Delta)
One-way from	$193 (Alaska Airlines)
Popular in	December
Cheapest in	January
Average price	$391

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. 11% potential increase in price ($70 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find 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 abril 11, 2025.

vie. 5/96:45 amPSC - STL

1 stop6h 15mDelta

lun. 5/127:19 pmSTL - PSC

1 stop6h 10mDelta

Deal found 4/9

$347

jue. 6/121:30 pmPSC - STL

1 stop8h 29mAlaska Airlines

dom. 6/157:32 pmSTL - PSC

1 stop6h 11mAlaska Airlines

Deal found 4/9

$489

jue. 6/121:36 pmPSC - STL

3 stops31h 09mUnited Airlines

dom. 6/156:10 amSTL - PSC

1 stop7h 25mUnited Airlines

Deal found 4/9

$545

vie. 4/116:13 amPSC - STL

1 stop6h 02mHawaiian Airlines

mar. 4/156:44 amSTL - PSC

1 stop8h 12mHawaiian Airlines

Deal found 4/10

$790

Best flights from Pasco to St. Louis
Discover carefully curated flight deals from Pasco to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 11, 2025.

vie. 5/96:45 amPSC - STL

1 stop6h 15mDelta

lun. 5/127:19 pmSTL - PSC

1 stop6h 10mDelta

Deal found 4/9

$347

jue. 6/121:30 pmPSC - STL

1 stop8h 29mAlaska Airlines

dom. 6/157:32 pmSTL - PSC

1 stop6h 11mAlaska Airlines

Deal found 4/9

$489

jue. 6/121:36 pmPSC - STL

3 stops31h 09mUnited Airlines

dom. 6/156:10 amSTL - PSC

1 stop7h 25mUnited Airlines

Deal found 4/9

$545

Last-minute flights from Pasco to St. Louis
Discover last-minute flight deals from Pasco to St. Louis. Data last updated abril 11, 2025 and is based on user searches.

vie. 4/116:13 amPSC - STL

1 stop6h 02mHawaiian Airlines

mar. 4/156:44 amSTL - PSC

1 stop8h 12mHawaiian Airlines

Deal found 4/10

$790

vie. 5/96:45 amPSC - STL

1 stop6h 15mDelta

lun. 5/127:19 pmSTL - PSC

1 stop6h 10mDelta

Deal found 4/9

$347

vie. 5/91:35 pmPSC - STL

2 stops21h 10mUnited Airlines

lun. 5/125:29 pmSTL - PSC

3 stops29h 19mUnited Airlines

Deal found 4/9

$766

One-way flights from Pasco to St. Louis
Search for one-way flight options from Pasco to St. Louis. Find affordable one-way fares based on user searches. Data last updated abril 11, 2025.

sáb. 4/196:13 amPSC - STL

1 stop6h 02mAlaska Airlines

Deal found 4/9

$193

sáb. 4/1912:30 pmPSC - STL

2 stops9h 06mDelta

Deal found 4/9

$199

mar. 4/151:36 pmPSC - STL

1 stop8h 23mHawaiian Airlines

Deal found 4/9

$395

mié. 4/165:15 amPSC - STL

3 stops32h 32mUnited Airlines

Deal found 4/9

$537

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

vie. 5/9

6:45 am-3:00 pm

1 stop6h 15m

Lambert-St Louis

lun. 5/12

7:19 pm-11:29 pm

1 stop6h 10m

$347

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

jue. 6/12

1:30 pm-11:59 pm

1 stop8h 29m

Lambert-St Louis

dom. 6/15

7:32 pm-11:43 pm

1 stop6h 11m

$489

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

jue. 6/12

1:36 pm-10:45 pm

3 stops31h 09m

Lambert-St Louis

dom. 6/15

6:10 am-11:35 am

1 stop7h 25m

$545

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

sáb. 4/19

6:13 am-2:15 pm

1 stop6h 02m

$193

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

sáb. 4/19

12:30 pm-11:36 pm

2 stops9h 06m

$199

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

mar. 4/15

1:36 pm-11:59 pm

1 stop8h 23m

$395

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

mié. 4/16

5:15 am-3:47 pm

3 stops32h 32m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Compare providers for flights from Pasco to St. Louis

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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, August is the cheapest month in which you can book a flight from Pasco to St. Louis (average of $311). Flying from Pasco to St. Louis in March is currently the most expensive (average of $356). 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.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines

8.0

Very good

9,851 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta

8.0

Very good

7,910 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Hawaiian Airlines

7.9

Good

2,366 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

United Airlines

7.4

Good

8,636 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

What are the cheapest airlines flying from Pasco to St. Louis round-trip?
Currently priced at $347, 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. Search Cheapflights for deals from Alaska Airlines and United Airlines - these airlines can fly you to your destination from $489 and $545, respectively. Delta is currently priced 33% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Pasco to St. Louis one-way?
The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $193. However, be on the lookout for offers from Delta and Hawaiian Airlines, as they are both options that can get you from Pasco to St. Louis for a low price.
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, August is the cheapest month in which you can book a flight from Pasco to St. Louis (average of $311). Flying from Pasco to St. Louis in March is currently the most expensive (average of $356). 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 St. Louis

Top 2 airlines flying from Pasco to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$316	Average$473	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$367	Average$564	FlexibilityNo cancel fee	On-time75%

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$193+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Pasco to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Pasco to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Pasco to St. Louis

Cheapest flights from Pasco to St. LouisExplore 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 abril 11, 2025.

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 abril 11, 2025.

Cheapflights Fare Finder

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

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 April.

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.

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?

Rainfall in St. Louis by month

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

Temperature in St. Louis by month

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

Reviews of airlines servicing St. Louis

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.

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

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

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

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

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

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

Traveling to a place near Pasco?

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Alternative routes for Pasco to St. Louis

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Top 2 airlines flying from Pasco to St. Louis

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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 abril 11, 2025.