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Pasadena

$87+ Cheap flights from St. Louis (STL) to Pasadena, CA

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
Jan 6 — Jan 131
Mon 1/6
Mon 1/13
1 adult, Economy
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The best prices from Lambert-St Louis to Pasadena are usually found in September or August, booked 54 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from St. Louis to Pasadena

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Pasadena (P4S). 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 1, 2025.

Round-trip from

$146
(Kiwi.com)

One-way from

$87
(Frontier)

Popular in

March

Cheapest in

September

Average price

$388
From Lambert-St Louis to Pasadena
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One-way flight from Lambert-St Louis to Pasadena
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High demand for flights, 1% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from St. Louis to Pasadena

Cheapest flights from St. Louis to Pasadena
Explore the most affordable flight options available from St. Louis to Pasadena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:29 pmSTL - LAX
1 stop17h 31mFrontier
Tue 1/76:43 pmLAX - STL
1 stop12h 23mFrontier
Deal found 12/30$341
This Expedia deal was found by Cheapflights users on 12/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:49 pmSTL - LAX
1 stop7h 41mMultiple Airlines
Mon 1/68:48 pmLAX - STL
2 stops15h 05mMultiple Airlines
Deal found 12/29$679
This United Airlines deal was found by Cheapflights users on 12/29. 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.
Tue 12/318:50 amSTL - LAX
1 stop25h 48mUnited Airlines
Sun 1/510:51 pmLAX - STL
1 stop23h 47mUnited Airlines
Deal found 12/29$699
This American Airlines deal was found by Cheapflights users on 12/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:30 amSTL - LAX
Nonstop4h 14mAmerican Airlines
Sun 1/55:50 pmLAX - STL
Nonstop3h 37mAmerican Airlines
Deal found 12/29$879
This Southwest deal was found by Cheapflights users on 12/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/305:40 amSTL - LAX
Nonstop4h 15mSouthwest
Mon 1/64:35 pmLAX - STL
Nonstop3h 30mSouthwest
Deal found 12/29$880
This Alaska Airlines deal was found by Cheapflights users on 12/30. 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.
Tue 12/317:00 amSTL - LAX
2 stops15h 57mAlaska Airlines
Wed 1/16:00 amLAX - STL
2 stops15h 59mAlaska Airlines
Deal found 12/30$907
This Mytrip deal was found by Cheapflights users on 12/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/314:27 pmSTL - LAX
2 stops27h 33mSpirit Airlines
Fri 1/311:55 pmLAX - STL
2 stops15h 07mSpirit Airlines
Deal found 12/30$919

Find flights from St. Louis to Pasadena within your budget

Customize your flight search to find flights from St. Louis to Pasadena 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 1, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sun 1/26

8:31 pm-7:38 am

1 stop13h 07m

Los Angeles

Thu 2/6

4:16 pm-9:16 am

1 stop15h 00m

$146

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 2/5

7:09 pm-12:35 am

1 stop7h 26m

Los Angeles

Thu 2/27

8:14 am-11:59 pm

2 stops13h 45m

$223

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 2/4

5:00 pm-10:33 pm

1 stop7h 33m

Los Angeles

Tue 2/18

6:00 am-4:53 pm

1 stop8h 53m

$318

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Wed 1/29

2:49 pm-7:11 am

2 stops18h 22m

Los Angeles

Tue 2/4

12:15 pm-1:53 pm

2 stops23h 38m

$325

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 1/28

9:55 am-12:15 pm

Nonstop4h 20m

Los Angeles

Tue 2/4

11:35 am-5:10 pm

Nonstop3h 35m

$368

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 2/4

6:03 am-8:21 am

Nonstop4h 18m

Los Angeles

Tue 2/18

1:03 pm-11:39 pm

1 stop8h 36m

$374

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 1/28

11:30 am-6:14 pm

1 stop8h 44m

Los Angeles

Mon 2/3

12:51 am-9:55 am

1 stop7h 04m

$386

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 5/3

6:55 pm-12:27 am

1 stop7h 32m

$87

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Sat 3/8

6:59 pm-8:06 am

2 stops15h 07m

$142

St. LouisLos Angeles

STL - LAX

STLLAX

Lambert-St Louis

Tue 1/14

3:48 pm-4:03 pm

2 stops26h 15m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Showing 1-10 of 15 results
1
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Best time to book a flight from St. Louis to Pasadena

Have a flexible travel schedule? Discover the best time to fly to Pasadena 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 Pasadena

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

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Pasadena. Price data was last updated on December 27, 2024.

The best time to book flights from St. Louis to Pasadena is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Pasadena (average of $246). Flying from St. Louis to Pasadena in March is currently the most expensive (average of $344). 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 P4S?

Find hourly flight availability from St. Louis to Pasadena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 1, 2025.

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.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Pasadena. Price data was last updated on December 16, 2024.

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

Weekly flight availability from St. Louis to Pasadena

Explore weekly flight availability from St. Louis to Pasadena. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 1, 2025.

The most flights from STL to P4S are scheduled on a Monday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Pasadena by month

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

In terms of precipitation, rainfall in Pasadena ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit Pasadena when rainfall is around 0.0 in.

Temperature in Pasadena by month

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

If weather is an important factor for your trip to Pasadena, 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 January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing Pasadena

Get insights into the airlines that provide service to Pasadena. 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 Pasadena. Reviews last updated January 1, 2025.
Get a feel of what it's like to fly with Frontier, Alaska Airlines and Southwest 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.
Southwest
8.1
Very good
4,707 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Southwest
8.1
Very good
4,707 reviews
Southwest
8.1
Very good
4,707 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Alaska Airlines
8.0
Very good
9,601 reviews
Southwest
8.1
Very good
4,707 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Delta
8.0
Very good
8,537 reviews
Southwest
8.1
Very good
4,707 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

United Airlines
7.4
Good
8,978 reviews
Southwest
8.1
Very good
4,707 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,707 reviews

Overall

8.1

Comfort

8.1

Boarding

8.2

Entertainment

7.7

Crew

8.7

Food

7.2

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Pasadena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 7 daily outbound flights to Pasadena from 7 different airlines.

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

    Flights from Lambert-St Louis to Pasadena have been viewed 22 times in the past calendar month.

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

    The cheapest airlines for a one-way flight from St. Louis to Pasadena are Frontier ($87), Spirit Airlines ($150), and Alaska Airlines ($159).

  • 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: Qatar Airways (95%), Japan Airlines (93%), Alaska Airlines( 93%).

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

    The cheapest flight price from St. Louis to Pasadena is $182. On average you can expect to pay $1,142. The most popular route, (Lambert-St Louis - Los Angeles), can usually be booked for $213.

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

    Yes. In addition to deals on St. Louis to Pasadena flights, Cheapflights offers vacation packages that include both flights and hotel.

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Pasadena.

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

    Yes. Cheapflights offers flight deals from St. Louis to Pasadena 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 Pasadena?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Pasadena (average of $246). Flying from St. Louis to Pasadena in March is currently the most expensive (average of $344). 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.

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Top 7 airlines flying from St. Louis to Pasadena

Discover the top 7 airlines that operate flights from St. Louis to Pasadena. 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$94Average$192FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$119Average$234FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$269Average$419FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$270Average$461FlexibilityNo cancel feeOn-time63%
DeltaCheapest$273Average$377FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$317Average$557FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$332Average$667FlexibilityNo cancel feeOn-time75%
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