What is the cheapest airline that flies from Pasco Tri Cities to Lambert-St Louis?

Alaska Airlines is the most popular carrier operating from Pasco Tri Cities to Lambert-St Louis

When did momondo last update prices for flights from Pasco Tri Cities Airport to Lambert-St Louis Airport?

Prices for flights from Pasco Tri Cities Airport to Lambert-St Louis Airport refresh daily.

How many operators does momondo search for flights from Pasco Tri Cities Airport to Lambert-St Louis Airport?

As of July 2025, there is 1 operator available to choose from for flights from Pasco Tri Cities Airport to Lambert-St Louis Airport.

How old do you have to be to fly from Pasco Tri Cities Airport to Lambert-St Louis Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pasco Tri Cities Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$201 Cheap Flights from Pasco to St. Louis in 2025

Q: What is the typical price of a round-trip flight between Pasco and St. Louis?

Prices are currently low for flights on this route. Typical prices usually range from $366 to $588. The lowest price recently found on this route was $334.

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Find the cheapest flights from Pasco to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

8:45 am - 5:34 pmPSC-STL

6h 49m1 stop

6:30 pm - 12:08 amSTL-PSC

7h 38m1 stop

$334Alaska Airlines

Find Deal

Wed, Sep 17 - Fri, Sep 19

1:05 pm - 11:59 pmPSC-STL

8h 54m1 stop

6:30 pm - 12:08 amSTL-PSC

7h 38m1 stop

$362Hawaiian Airlines

Find Deal

Fri, Sep 12 - Mon, Sep 15

1:00 pm - 12:37 amPSC-STL

9h 37m2 stops

7:10 am - 7:01 pmSTL-PSC

13h 51m2 stops

$391Delta

Find Deal

Mon, Dec 15 - Thu, Dec 25

5:00 pm - 12:37 amPSC-STL

5h 37m1 stop

7:10 am - 7:01 pmSTL-PSC

13h 51m2 stops

$395Delta

Find Deal

Tue, Dec 16 - Thu, Dec 25

5:00 pm - 8:09 amPSC-STL

13h 09m2 stops

7:10 am - 7:01 pmSTL-PSC

13h 51m2 stops

$400Delta

Find Deal

Tue, Dec 16 - Thu, Dec 25

6:45 am - 4:44 pmPSC-STL

7h 59m1 stop

1:26 pm - 11:28 pmSTL-PSC

12h 02m2 stops

$402Delta

Find Deal

Sun, Sep 21 - Fri, Sep 26

2:55 pm - 12:16 amPSC-STL

7h 21m1 stop

6:21 pm - 11:32 pmSTL-PSC

7h 11m1 stop

$417American Airlines

Find Deal

Mon, Sep 1 - Fri, Oct 24

2:55 pm - 12:16 amPSC-STL

7h 21m1 stop

7:53 am - 1:43 pmSTL-PSC

7h 50m1 stop

$529American Airlines

Find Deal

Thu, Aug 14 - Mon, Aug 18

5:04 am - 10:45 pmPSC-STL

15h 41m2 stops

2:45 pm - 9:08 pmSTL-PSC

8h 23m1 stop

$566United Airlines

Find Deal

Wed, Dec 17 - Wed, Dec 31

6:20 am - 8:57 pmPSC-STL

12h 37m2 stops

6:30 am - 9:35 pmSTL-PSC

17h 05m2 stops

$574United Airlines

Find Deal

Tue, Dec 16 - Wed, Dec 31

Hawaiian Airlines flights from Pasco to St. Louis

Our best Hawaiian Airlines deals on Pasco to St. Louis flight tickets

Hawaiian Airlines

Sep 12

PSC1:05 pmPasco Tri Cities

8h 54m

1 stop

STL11:59 pmLambert-St Louis

Sep 15

STL6:30 pmLambert-St Louis

7h 38m

1 stop

PSC12:08 amPasco Tri Cities

$362

Find similar

Hawaiian Airlines

Sep 1

PSC1:05 pmPasco Tri Cities

8h 54m

1 stop

STL11:59 pmLambert-St Louis

Jan 20

STL2:55 pmLambert-St Louis

8h 01m

1 stop

PSC8:56 pmPasco Tri Cities

$456

Find similar

Hawaiian Airlines

Aug 5

PSC8:00 amPasco Tri Cities

8h 35m

1 stop

STL6:35 pmLambert-St Louis

Aug 17

STL6:41 amLambert-St Louis

7h 58m

1 stop

PSC12:39 pmPasco Tri Cities

$692

Find similar

Delta flights from Pasco to St. Louis

Our best Delta deals on Pasco to St. Louis flight tickets

Delta

Dec 15

PSC1:00 pmPasco Tri Cities

9h 37m

2 stops

STL12:37 amLambert-St Louis

Dec 25

STL7:10 amLambert-St Louis

13h 51m

2 stops

PSC7:01 pmPasco Tri Cities

$391

Find similar

Delta

Dec 16

PSC5:00 pmPasco Tri Cities

5h 37m

1 stop

STL12:37 amLambert-St Louis

Dec 25

STL7:10 amLambert-St Louis

13h 51m

2 stops

PSC7:01 pmPasco Tri Cities

$395

Find similar

Delta

Dec 16

PSC5:00 pmPasco Tri Cities

13h 09m

2 stops

STL8:09 amLambert-St Louis

Dec 25

STL7:10 amLambert-St Louis

13h 51m

2 stops

PSC7:01 pmPasco Tri Cities

$400

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 9/17

8:45 am-5:34 pm

1 stop6h 49m

Lambert-St Louis

Fri 9/19

6:30 pm-12:08 am

1 stop7h 38m

$334

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Fri 9/12

1:05 pm-11:59 pm

1 stop8h 54m

Lambert-St Louis

Mon 9/15

6:30 pm-12:08 am

1 stop7h 38m

$362

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Mon 12/15

1:00 pm-12:37 am

2 stops9h 37m

Lambert-St Louis

Thu 12/25

7:10 am-7:01 pm

2 stops13h 51m

$391

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 12/16

5:00 pm-12:37 am

1 stop5h 37m

Lambert-St Louis

Thu 12/25

7:10 am-7:01 pm

2 stops13h 51m

$395

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 12/16

5:00 pm-8:09 am

2 stops13h 09m

Lambert-St Louis

Thu 12/25

7:10 am-7:01 pm

2 stops13h 51m

$400

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Sun 9/21

6:45 am-4:44 pm

1 stop7h 59m

Lambert-St Louis

Fri 9/26

1:26 pm-11:28 pm

2 stops12h 02m

$402

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Mon 9/1

2:55 pm-12:16 am

1 stop7h 21m

Lambert-St Louis

Fri 10/24

6:21 pm-11:32 pm

1 stop7h 11m

$417

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Thu 8/14

2:55 pm-12:16 am

1 stop7h 21m

Lambert-St Louis

Mon 8/18

7:53 am-1:43 pm

1 stop7h 50m

$529

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Wed 12/17

5:04 am-10:45 pm

2 stops15h 41m

Lambert-St Louis

Wed 12/31

2:45 pm-9:08 pm

1 stop8h 23m

$566

PascoSt. Louis

PSC - STL

PSCSTL

Pasco Tri Cities

Tue 12/16

6:20 am-8:57 pm

2 stops12h 37m

Lambert-St Louis

Wed 12/31

6:30 am-9:35 pm

2 stops17h 05m

$574

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Pasco to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Pasco and St. Louis?

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

In general, January is the cheapest month to fly from Pasco to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $336. The month of April is another great option to travel to St. Louis, with average flight prices from Pasco averaging around $346.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $453. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $768. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Pasco at noon is the least expensive time of day to depart. momondo users have found prices as low as $505 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $588 per ticket.

When to book flights from Pasco to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Pasco to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Pasco to St. Louis (PSC to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pasco to St. Louis

Best Price Found	$201
Fastest flight time	5h 20m
Direct flights	None
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Pasco in the past 72 hours is $201. The best round-trip flight deal from Pasco to St. Louis found on momondo in the last 72 hours is $334.

The fastest flight from Pasco to St. Louis takes 5h 20m

There are no direct flights from Pasco to St. Louis. Popular non-direct route for this connection is Pasco Tri Cities Airport - Lambert-St Louis Airport.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

Search flight deals

How far is Pasco Tri Cities to Lambert-St Louis by plane?
There are 1553.5 mi between Pasco Tri Cities and Lambert-St Louis. A reasonable flight in good conditions will take 5h 20m.
When did momondo last update prices for flights from Pasco Tri Cities Airport to Lambert-St Louis Airport?
Prices for flights from Pasco Tri Cities Airport to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Pasco Tri Cities Airport to Lambert-St Louis Airport?
As of July 2025, there is 1 operator available to choose from for flights from Pasco Tri Cities Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Pasco Tri Cities Airport to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pasco Tri Cities Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Pasco to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Pasco to St. Louis is Delta (100% of total bookings).

Best airlines flying from Pasco to St. Louis

Compare and see reviews for airlines that fly from Pasco to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $316	Free Cancellation	Rating 8.0 7,981 reviews		Search Delta flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

Fenton

Collinsville

O'Fallon

Alton

St. Peters

Farmington

Wentzville

Festus

Glencoe

Eureka

Edwardsville

Clayton

Shrewsbury

Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Pasco to St. Louis?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Pasco to St. Louis for you.

Can I find flights from Pasco to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Pasco with this policy.

How can momondo help me find flights from Pasco to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pasco to St. Louis.

I’m not ready to book a flight from Pasco to St. Louis right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Pasco to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.