Cheap flights from St. Louis (STL) to Pasadena, CA from $56

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
STL — LAX
Sep 26 — Oct 31

The best prices from Lambert-St Louis to Pasadena are usually found in April or May, booked 44 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

How to find the cheapest flight from St. Louis (STL) to Pasadena

All the information you need to plan the best STL to P4S flight in 2023: compare St. Louis to Pasadena flight prices with the expected peak season, weather and rainfall in Pasadena.

Popular in

July

Cheapest in

April

Round-trip from

$217

One-way from

$56
High demand for flights, 13% potential price rise
Best time to find cheap flights, 28% potential price drop
From Lambert-St Louis to Pasadena
One-way flight from Lambert-St Louis to Pasadena

STL - LAX

Price

$217 - $495

LAX

Temperature

57.2 - 73.4 °F

LAX

Rainfall

0 - 3.4 inches

How far in advance should I book a flight from St. Louis to Pasadena?

Find a great deal and save up to 30% by booking at least 43 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Pasadena within the next two weeks, with the cheapest ticket starting at $409.

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

The best pricing can be found in the month of April. Prices to Pasadena from St. Louis average $381. You can even find prices in April for less than $381, as users have found deals to Pasadena from as low as $152. The month of July appears to be one of the more expensive times to travel to Pasadena from St. Louis. Flying in the targeted month can save you up to 15%.

When is the cheapest time to fly from St. Louis to Pasadena (STL - P4S)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Pasadena as you normally would.

Cheap Spirit Airlines flights from St. Louis to Pasadena

Consider these cheap Spirit Airlines flights we've found departing from St. Louis to Pasadena. It's recommended that users confirm their flight details before booking.

Cheap Sun Country Air flights from St. Louis to Pasadena

Browse through some of the cheapest Sun Country Air flights traveling from St. Louis to Pasadena. Deals frequently update to provide users with more options.

Cheap St. Louis to Pasadena flights in September & October 2023

The best prices found for STL to Pasadena flights for September, October
Scroll through some of the best deals on flights from St. Louis to Pasadena in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

St. Louis to Pasadena 2023 flight deals

Cheap flights to Pasadena from St. Louis found for this year
Scroll through some of the best deals on flights from St. Louis to Pasadena in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to Pasadena from St. Louis

Save time with St. Louis to Pasadena direct flight deals
For a quicker trip, book one of these direct flights from St. Louis to Pasadena. Search for alternative flights from St. Louis to Pasadena by utilizing the search form above.

St. Louis to Pasadena flights leaving soon

Late deals on return flights to Pasadena from St. Louis, departing today and this week
Users seeking a last-minute flight from St. Louis to Pasadena should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.

One-way flights to Pasadena from St. Louis

The cheapest one-way flights from St. Louis to Pasadena
Some of the best available deals we've found on one-way flights from St. Louis to Pasadena. Users in need of a round-trip flight from St. Louis to Pasadena instead should update the search form at the top of page.

Find flights from St. Louis to Pasadena within your budget

Use the slider to find flights from St. Louis to Pasadena that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$120 - $327

Route

Depart

Return

Price

Lambert-St LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 12/4

1 stop12h 44m

Los Angeles

Wed 12/13

1 stop11h 40m

Lambert-St LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 11/29

2 stops14h 17m

Los Angeles

Tue 12/5

1 stop4h 34m

Lambert-St LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 12/5

1 stop12h 04m

Los Angeles

Fri 12/8

1 stop6h 09m

Lambert-St LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 12/8

1 stop10h 20m

Los Angeles

Mon 12/11

1 stop6h 09m

Lambert-St LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 12/5

1 stop10h 09m

Los Angeles

Tue 12/12

1 stop6h 09m

Lambert-St LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 12/5

2 stops11h 22m

Los Angeles

Mon 12/11

1 stop6h 09m

Lambert-St LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 10/11

2 stops19h 16m

Los Angeles

Tue 10/17

1 stop6h 23m

Lambert-St LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Fri 11/10

1 stop23h 56m

Los Angeles

Sun 11/12

1 stop15h 51m

Lambert-St LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Mon 10/30

Nonstop3h 59m

Los Angeles

Tue 11/7

Nonstop3h 31m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Pasadena

Get a feel of what it's like to fly with Spirit Airlines, Sun Country Air and American Airlines from St. Louis to Pasadena by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Entertainment

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Reviews

1 / 10

I do not fly a lot so it is hard to judge, but everything was as booked. All on time and very pleasant. Could have better food. Did not like chooses. Ate before boarding. Worked out for the best. Thank you for a great experience.

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Entertainment

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Reviews

1 / 10

I do not fly a lot so it is hard to judge, but everything was as booked. All on time and very pleasant. Could have better food. Did not like chooses. Ate before boarding. Worked out for the best. Thank you for a great experience.

Delta
7.9
Good
3,016 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Entertainment

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Reviews

1 / 10

I do not fly a lot so it is hard to judge, but everything was as booked. All on time and very pleasant. Could have better food. Did not like chooses. Ate before boarding. Worked out for the best. Thank you for a great experience.

Sun Country Air
7.4
Good
94 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Entertainment

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Reviews

1 / 10

I do not fly a lot so it is hard to judge, but everything was as booked. All on time and very pleasant. Could have better food. Did not like chooses. Ate before boarding. Worked out for the best. Thank you for a great experience.

United Airlines
7.4
Good
1,887 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Entertainment

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Reviews

1 / 10

I do not fly a lot so it is hard to judge, but everything was as booked. All on time and very pleasant. Could have better food. Did not like chooses. Ate before boarding. Worked out for the best. Thank you for a great experience.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Crew

8.6

Entertainment

7.2

Overall

8.1

Boarding

8.3

Comfort

8.0

Food

7.2

Reviews

1 / 10

I do not fly a lot so it is hard to judge, but everything was as booked. All on time and very pleasant. Could have better food. Did not like chooses. Ate before boarding. Worked out for the best. Thank you for a great experience.

Related info for your journey

Useful info, stats and facts about St. Louis to Pasadena flights.

What airport do you fly from for flights from St. Louis to Pasadena?

Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Pasadena from St. Louis. Booking flights from Lambert-St Louis (STL) to Pasadena should be relatively easy as there are 8 daily outbound flights to Pasadena from 6 different airlines.

Can I find flights from St. Louis to Pasadena for under $200 on Cheapflights?

Yes, there are multiple flights from St. Louis to Pasadena for under $200. The cheapest flight booked recently is on Spirit Airlines for just $120, but on average you can expect to pay $148.

Are there nonstop flights from St. Louis to Pasadena for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from St. Louis to Pasadena under $400. A good price for a nonstop flight from St. Louis to Pasadena is less than $402.

Are there last-minute flights available from St. Louis to Pasadena for under $200?

There are currently 20+ open flights from St. Louis to Pasadena within the next 7 days for less than $200.

How popular is this St. Louis to Pasadena flight route?

What are the most popular airlines that fly from St. Louis to Pasadena?

What are the most reliable airlines from St. Louis to Pasadena?

Before booking your flight to Pasadena from St. Louis, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Southwest (69%), American Airlines( 64%).

What are the cheapest flights from St. Louis to Pasadena?

The cheapest flight price from St. Louis to Pasadena is $170. On average you can expect to pay $494. The most popular route, (Lambert-St Louis - Los Angeles), can usually be booked for $111.

What does STL to LAX mean?

STL stands for Lambert-St Louis Airport, while LAX stands for Los Angeles Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Ready for more IATA code knowledge? These are related airports for your current travel destination: Ontario Airport (ONT), Burbank Bob Hope Airport (BUR), Long Beach Municipal Airport (LGB), Santa Monica Airport (SMO), Hawthorne Airport (HHR).

Other flights from St. Louis

Alternative routes for St. Louis to Pasadena

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from St. Louis to Pasadena

The chart below displays the airlines Cheapflights users traveling from St. Louis to Pasadena choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$132Average$289FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$134Average$245FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$214Average$445FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$283Average$566FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$295Average$487FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$318Average$518FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Hourly flight availability from St. Louis to Pasadena

See what time of day planes typically take off from St. Louis to Pasadena
9%of flight departuresEarly morningMidnight to 6 am
20%of flight departuresMorning6 am to noon
8%of flight departuresAfternoonNoon to 6 pm
63%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from St. Louis to Pasadena

See how many times per day planes take to the skies headed from St. Louis to Pasadena
Sunday9daily flights
Monday8daily flights
Tuesday9daily flights
Wednesday7daily flights
Thursday9daily flights
Friday9daily flights
Saturday9daily flights
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