$157+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
STL — LAX
set 11 — set 181
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Pasadena with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lambert-St Louis to Pasadena are usually found in January or October, booked 61 days in advance, depart on a Friday or Thursday and return on a Thursday
Cheap flight deals from St. Louis to Pasadena
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to PasadenaExplore 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 agosto 12, 2026.
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 agosto 12, 2026.
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/1710:35 am -
1 stop9h 07m
ter 10/209:12 am -
1 stop8h 03m
Deal found 8/11![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 9/128:10 pm -
1 stop16h 29m
sáb 9/196:05 am -
1 stop11h 12m
Deal found 8/11![Frontier logo]()
$175
This Booking.com deal was found by Cheapflights users on 8/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/2312:17 pm -
1 stop6h 06m
qua 9/239:40 pm -
1 stop18h 14m
Deal found 8/11![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
sex 9/46:17 pm -
2 stops31h 54m
sex 9/116:05 am -
1 stop11h 12m
Deal found 8/11![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
sex 9/118:10 pm -
1 stop20h 29m
seg 9/1410:04 pm -
1 stop11h 28m
Deal found 8/11![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
sex 10/168:10 pm -
1 stop14h 02m
ter 10/209:12 am -
1 stop8h 03m
Deal found 8/11![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
sex 10/168:10 pm -
1 stop14h 02m
qua 10/219:12 am -
1 stop8h 03m
Deal found 8/11![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
seg 9/76:17 pm -
2 stops31h 54m
sex 9/116:05 am -
1 stop11h 12m
Deal found 8/11![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/156:41 pm -
1 stop6h 39m
qua 10/2111:50 pm -
1 stop7h 50m
Deal found 8/11![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
sex 10/168:10 pm -
1 stop14h 02m
qui 10/228:51 pm -
1 stop20h 24m
Deal found 8/11![Frontier logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
ter 9/1512:17 pm -
1 stop6h 06m
ter 9/228:41 pm -
2 stops20h 36m
Deal found 8/11![Frontier logo]()
$198
This CheapOair deal was found by Cheapflights users on 8/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/1010:20 am -
1 stop7h 03m
ter 9/2211:50 pm -
1 stop11h 20m
Deal found 8/11![Frontier logo]()
$200
Best flights from St. Louis to PasadenaDiscover carefully curated flight deals from St. Louis to Pasadena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 12, 2026.
Discover carefully curated flight deals from St. Louis to Pasadena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 12, 2026.
This Southwest deal was found by Cheapflights users on 8/11. 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.
qua 9/308:25 am -
Nonstop3h 55m
sáb 10/36:00 am -
Nonstop3h 30m
Deal found 8/11![Southwest logo]()
$254
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/3012:28 pm -
2 stops10h 02m
seg 11/26:00 am -
1 stop5h 32m
Deal found 8/9![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 8/10. 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.
seg 9/216:25 am -
Nonstop3h 55m
qua 9/235:20 am -
1 stop6h 10m
Deal found 8/10![Southwest logo]()
$279
This Southwest deal was found by Cheapflights users on 8/11. 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.
qui 9/249:05 pm -
Nonstop4h 00m
sex 10/23:25 pm -
1 stop5h 20m
Deal found 8/11![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 8/7. 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.
qui 10/16:00 am -
Nonstop4h 05m
qua 10/74:20 pm -
1 stop5h 05m
Deal found 8/7![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 8/7. 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.
sex 11/65:05 am -
Nonstop4h 05m
ter 11/106:25 am -
Nonstop3h 25m
Deal found 8/7![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 8/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/157:00 pm -
1 stop6h 55m
sáb 10/179:32 am -
2 stops9h 37m
Deal found 8/11![Delta logo]()
$519
This Southwest deal was found by Cheapflights users on 8/7. 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.
sex 9/189:05 pm -
Nonstop4h 00m
sex 9/257:10 pm -
Nonstop3h 40m
Deal found 8/7![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 8/10. 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.
sex 11/275:05 am -
Nonstop4h 05m
qua 12/96:25 am -
Nonstop3h 25m
Deal found 8/10![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 8/11. 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.
qua 9/26:30 am -
2 stops8h 35m
dom 9/68:10 am -
2 stops8h 50m
Deal found 8/11![Southwest logo]()
$498
Last-minute flights from St. Louis to PasadenaDiscover last-minute flight deals from St. Louis to Pasadena. Data last updated agosto 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Pasadena. Data last updated agosto 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
sex 9/46:17 pm -
2 stops31h 54m
sex 9/116:05 am -
1 stop11h 12m
Deal found 8/11![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
seg 9/76:17 pm -
2 stops31h 54m
sex 9/116:05 am -
1 stop11h 12m
Deal found 8/11![Frontier logo]()
$187
This Frontier deal was found by Cheapflights users on 8/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 9/86:45 pm -
1 stop5h 54m
ter 9/1511:50 pm -
1 stop11h 20m
Deal found 8/10![Frontier logo]()
$205
This CheapOair deal was found by Cheapflights users on 8/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/1010:20 am -
1 stop7h 03m
ter 9/2211:50 pm -
1 stop11h 20m
Deal found 8/11![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
sex 9/118:10 pm -
1 stop20h 29m
seg 9/1410:04 pm -
1 stop11h 28m
Deal found 8/11![Frontier logo]()
$184
This Expedia deal was found by Cheapflights users on 8/11. 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.
sáb 9/128:10 pm -
1 stop16h 29m
sáb 9/196:05 am -
1 stop11h 12m
Deal found 8/11![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 9/148:10 pm -
1 stop6h 00m
ter 9/2211:50 pm -
1 stop11h 20m
Deal found 8/11![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
ter 9/1512:17 pm -
1 stop6h 06m
ter 9/228:41 pm -
2 stops20h 36m
Deal found 8/11![Frontier logo]()
$198
This Booking.com deal was found by Cheapflights users on 8/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 9/2312:17 pm -
1 stop6h 06m
qua 9/239:40 pm -
1 stop18h 14m
Deal found 8/11![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
qua 9/308:10 pm -
1 stop6h 00m
seg 10/510:04 pm -
2 stops43h 13m
Deal found 8/11![Frontier logo]()
$203
One-way flights from St. Louis to PasadenaSearch for one-way flight options from St. Louis to Pasadena. Find affordable one-way fares based on user searches. Data last updated agosto 12, 2026.
Search for one-way flight options from St. Louis to Pasadena. Find affordable one-way fares based on user searches. Data last updated agosto 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
ter 9/85:27 pm -
2 stops22h 47m
Deal found 8/10![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
qui 10/1510:35 am -
2 stops34h 13m
Deal found 8/10![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
qua 9/98:10 pm -
2 stops20h 51m
Deal found 8/10![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
sáb 10/108:10 pm -
1 stop14h 02m
Deal found 8/10![Frontier logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
dom 11/88:10 pm -
2 stops18h 15m
Deal found 8/9![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
seg 8/316:17 pm -
2 stops26h 01m
Deal found 8/10![Frontier logo]()
$167
This Frontier deal was found by Cheapflights users on 8/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 9/56:45 pm -
1 stop5h 54m
Deal found 8/9![Frontier logo]()
$169
This Southwest deal was found by Cheapflights users on 8/11. 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.
sex 9/119:05 pm -
Nonstop4h 00m
Deal found 8/11![Southwest logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
dom 9/208:10 pm -
2 stops23h 35m
Deal found 8/9![Frontier logo]()
$171
This Super.com deal was found by Cheapflights users on 8/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 8/196:45 pm -
1 stop5h 54m
Deal found 8/10![Frontier logo]()
$172
Find flight deals from St. Louis to Pasadena
Keep the following information in mind while searching for St. Louis to Pasadena flight deals. Data was last updated agosto 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $174 (Frontier) |
One-way from | $157 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $439 |
Cheapflights Fare Finder
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 agosto 12, 2026.
Use the filters below to find and compare flights from St. Louis to Pasadena that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
qua 9/30
8:25 am-10:20 am
Nonstop3h 55m
Los Angeles
sáb 10/3
6:00 am-11:30 am
Nonstop3h 30m
$254
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
seg 9/21
6:25 am-8:20 am
Nonstop3h 55m
Los Angeles
qua 9/23
5:20 am-1:30 pm
1 stop6h 10m
$279
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
qui 9/24
9:05 pm-11:05 pm
Nonstop4h 00m
Los Angeles
sex 10/2
3:25 pm-10:45 pm
1 stop5h 20m
$332
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
qui 10/1
6:00 am-8:05 am
Nonstop4h 05m
Los Angeles
qua 10/7
4:20 pm-11:25 pm
1 stop5h 05m
$357
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
sex 11/6
5:05 am-7:10 am
Nonstop4h 05m
Los Angeles
ter 11/10
6:25 am-11:50 am
Nonstop3h 25m
$367
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
sex 9/18
9:05 pm-11:05 pm
Nonstop4h 00m
Los Angeles
sex 9/25
7:10 pm-12:50 am
Nonstop3h 40m
$387
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
sex 11/27
5:05 am-7:10 am
Nonstop4h 05m
Los Angeles
qua 12/9
6:25 am-11:50 am
Nonstop3h 25m
$413
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
sex 10/30
12:28 pm-8:30 pm
2 stops10h 02m
Los Angeles
seg 11/2
6:00 am-1:32 pm
1 stop5h 32m
$445
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
qua 9/2
6:30 am-1:05 pm
2 stops8h 35m
Los Angeles
dom 9/6
8:10 am-7:00 pm
2 stops8h 50m
$498
St. LouisLos Angeles
STL Lambert-St Louis - LAX Los Angeles
STLLAX
Lambert-St Louis
qui 10/15
7:00 pm-11:55 pm
1 stop6h 55m
Los Angeles
sáb 10/17
9:32 am-9:09 pm
2 stops9h 37m
$519
Showing 1-10 of 19 resultsSorted by cheapest first
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.
STL-LAX
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 Pasadena
STL-P4S
STL-LAX
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 agosto 12, 2026.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Pasadena in the evening. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.
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 agosto 12, 2026.
The most flights from STL to P4S are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from St. Louis to Pasadena?
Airfare is below average for this route at the moment.
St. Louis to Pasadena flights typically cost between $362 and $536 in October.The cheapest round-trip price found within the last 5 days was $174 on Frontier (Oct 17-Oct 20).
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 February 17, 2026.
Travelers seeking maximum savings on their St. Louis to Pasadena flight should consider departing on Tuesday 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.
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 agosto 12, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from St. Louis to Pasadena by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
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St. Louis and Pasadena flights
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Top 7 airlines flying from St. Louis to Pasadena
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$268 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$201 | Average$447 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$236 | Average$351 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$292 | Average$432 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$304 | Average$384 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$385 | Average$560 | FlexibilityNo cancel fee | On-time75% |