$143+ Cheap flights from St. Louis (STL) to Irvine, 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from St. Louis to Irvine 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 Irvine are usually found in September or August, booked 67 days in advance, depart on a Wednesday or Thursday and return on a Tuesday
Cheap flight deals from St. Louis to Irvine
Keep the following information in mind while searching for St. Louis to Irvine flight deals. Data was last updated April 24, 2025.
Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $258 (Gotogate) |
One-way from | $143 (Mytrip) |
Popular in | March |
Cheapest in | September |
Average price | $393 |
Find flight deals from St. Louis to Irvine
Cheapest flights from St. Louis to IrvineExplore the most affordable flight options available from St. Louis to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.
Explore the most affordable flight options available from St. Louis to Irvine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.
This Gotogate deal was found by Cheapflights users on 4/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Travelocity deal was found by Cheapflights users on 4/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 4/23. 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.
This American Airlines deal was found by Cheapflights users on 4/23. 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.
This Southwest deal was found by Cheapflights users on 4/23. 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.
This Delta deal was found by Cheapflights users on 4/23. 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.
This Sun Country Air deal was found by Cheapflights users on 4/23. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Hawaiian Airlines deal was found by Cheapflights users on 4/23. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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.
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Irvine 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 April 24, 2025.
Use the filters below to find and compare flights from St. Louis to Irvine that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Sat 6/7
8:11 pm-12:29 am
1 stop6h 18m
Los Angeles
Sat 6/14
9:28 pm-1:40 pm
1 stop14h 12m
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Sat 5/17
8:15 pm-12:30 am
1 stop6h 15m
Los Angeles
Tue 5/27
7:00 am-12:04 am
2 stops15h 04m
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Fri 6/13
6:12 pm-10:01 pm
1 stop29h 49m
Los Angeles
Thu 6/19
5:30 am-10:33 am
2 stops27h 03m
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Sat 5/24
6:44 am-8:50 am
Nonstop4h 06m
Los Angeles
Tue 5/27
5:29 pm-11:04 pm
Nonstop3h 35m
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Tue 7/1
3:55 pm-7:35 pm
1 stop5h 40m
Los Angeles
Sat 7/5
6:05 pm-11:45 pm
Nonstop3h 40m
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Wed 5/14
6:00 am-11:26 am
1 stop7h 26m
Los Angeles
Wed 5/28
5:05 pm-12:33 am
1 stop5h 28m
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Sun 5/18
7:30 am-10:49 pm
1 stop17h 19m
Los Angeles
Fri 5/30
11:59 pm-2:54 pm
1 stop12h 55m
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Tue 5/13
6:30 am-6:12 pm
2 stops13h 42m
Los Angeles
Fri 5/16
11:55 am-12:04 am
1 stop10h 09m
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Fri 5/16
3:43 pm-10:31 pm
1 stop8h 48m
Los Angeles
Sat 5/17
12:56 am-9:56 am
1 stop7h 00m
St. LouisLos Angeles
STL - LAX
STLLAX
Lambert-St Louis
Tue 6/3
12:15 pm-9:30 pm
2 stops35h 15m
Best time to book a flight from St. Louis to Irvine
Have a flexible travel schedule? Discover the best time to fly to Irvine from St. Louis with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Irvine
How far ahead should I book a flight from St. Louis to Irvine?
Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Irvine. Price data was last updated on April 18, 2025.
To ensure you get the cheapest price possible for a flight from St. Louis to Irvine, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from St. Louis to Irvine?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Irvine (average of $246). Flying from St. Louis to Irvine in June is currently the most expensive (average of $328). 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 IR9?
Find hourly flight availability from St. Louis to Irvine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 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 Irvine as you normally would.
What is the cheapest day to fly from St. Louis to Irvine?
Use this chart to determine the cheapest time to fly round-trip from St. Louis to Irvine. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their St. Louis to Irvine flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in Irvine by month
Plan your trip to Irvine by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Irvine 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 Irvine when rainfall is around 0.0 in.
Temperature in Irvine by month
Plan your trip to Irvine by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Irvine, 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 Irvine
Get insights into the airlines that provide service to Irvine. 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 Irvine. Reviews last updated April 24, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from St. Louis to Irvine have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Overall
Boarding
Food
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Comfort
Entertainment
Overall
Boarding
Food
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Comfort
Entertainment
Overall
Boarding
Food
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Comfort
Entertainment
Overall
Boarding
Food
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Comfort
Entertainment
Overall
Boarding
Food
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Comfort
Entertainment
Overall
Boarding
Food
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Irvine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Irvine
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from St. Louis to Irvine
Discover the top 7 airlines that operate flights from St. Louis to Irvine. 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 April 24, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$94 | Average$210 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$100 | Average$206 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$181 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$263 | Average$417 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$442 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$290 | Average$469 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$547 | FlexibilityNo cancel fee | On-time75% |