$225+ Cheap flights from St. Louis to Monterey (STL - MRY)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MRY
Oct 25 — Nov 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Monterey 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.Cheap flight deals from St. Louis to Monterey
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to MontereyExplore the most affordable flight options available from St. Louis to Monterey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
Explore the most affordable flight options available from St. Louis to Monterey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 25, 2026.
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:00 am -
1 stop9h 39m
Sat 12/1212:34 pm -
1 stop8h 59m
Deal found 9/22![American Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Sun 11/157:05 pm -
1 stop6h 39m
Thu 11/192:25 pm -
1 stop5h 50m
Deal found 9/24![United Airlines logo]()
$379
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/66:32 am -
1 stop7h 22m
Sat 10/1012:44 pm -
1 stop7h 15m
Deal found 9/21![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/226:32 am -
1 stop7h 22m
Thu 10/299:54 am -
1 stop8h 49m
Deal found 9/21![American Airlines logo]()
$459
This Expedia deal was found by Cheapflights users on 9/21. 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.
Thu 10/2210:12 am -
2 stops14h 45m
Thu 10/296:03 am -
2 stops15h 56m
Deal found 9/21![Alaska Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 11/148:50 am -
1 stop6h 29m
Wed 11/185:20 am -
1 stop5h 18m
Deal found 9/22![United Airlines logo]()
$481
Best flights from St. Louis to MontereyDiscover carefully curated flight deals from St. Louis to Monterey that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
Discover carefully curated flight deals from St. Louis to Monterey that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
This American Airlines deal was found by Cheapflights users on 9/25. 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.
Sat 12/511:23 am -
2 stops9h 13m
Sat 12/129:57 am -
2 stops11h 36m
Deal found 9/25![American Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Sun 11/158:50 am -
2 stops10h 41m
Thu 11/195:20 am -
1 stop5h 18m
Deal found 9/24![United Airlines logo]()
$384
This Expedia deal was found by Cheapflights users on 9/21. 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.
Thu 10/2210:12 am -
2 stops14h 45m
Thu 10/296:03 am -
2 stops15h 56m
Deal found 9/21![Alaska Airlines logo]()
$466
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Sat 1/237:27 am -
2 stops11h 09m
Fri 1/291:14 pm -
1 stop8h 41m
Deal found 9/21![American Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Sat 11/148:50 am -
1 stop6h 29m
Wed 11/1812:44 pm -
1 stop6h 15m
Deal found 9/25![United Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/226:32 am -
1 stop7h 22m
Thu 10/299:54 am -
1 stop8h 49m
Deal found 9/21![American Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 12/128:40 am -
1 stop6h 23m
Sat 1/912:38 pm -
1 stop6h 21m
Deal found 9/22![United Airlines logo]()
$481
Last-minute flights from St. Louis to MontereyDiscover last-minute flight deals from St. Louis to Monterey. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Monterey. Data last updated September 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Thu 9/244:39 pm -
1 stop6h 26m
Sun 9/275:10 am -
1 stop5h 30m
Deal found 9/24![United Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/14:39 pm -
1 stop6h 26m
Mon 10/51:53 pm -
2 stops7h 51m
Deal found 9/21![United Airlines logo]()
$534
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/17:00 am -
1 stop6h 47m
Mon 10/512:44 pm -
1 stop7h 15m
Deal found 9/21![American Airlines logo]()
$538
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/66:32 am -
1 stop7h 22m
Sat 10/1012:44 pm -
1 stop7h 15m
Deal found 9/21![American Airlines logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/24. 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.
Fri 10/92:31 pm -
1 stop6h 12m
Tue 10/1312:44 pm -
1 stop7h 15m
Deal found 9/24![American Airlines logo]()
$563
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/226:32 am -
1 stop7h 22m
Thu 10/299:54 am -
1 stop8h 49m
Deal found 9/21![American Airlines logo]()
$459
This Expedia deal was found by Cheapflights users on 9/21. 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.
Thu 10/2210:12 am -
2 stops14h 45m
Thu 10/296:03 am -
2 stops15h 56m
Deal found 9/21![Alaska Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/229:00 am -
2 stops10h 28m
Thu 10/292:25 pm -
1 stop5h 50m
Deal found 9/21![United Airlines logo]()
$492
One-way flights from St. Louis to MontereySearch for one-way flight options from St. Louis to Monterey. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
Search for one-way flight options from St. Louis to Monterey. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:32 am -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![American Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Mon 10/199:00 am -
2 stops10h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sun 10/185:10 am -
2 stops8h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Mon 12/285:07 pm -
1 stop8h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$563
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:30 pm -
3 stops25h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Sun 12/275:59 pm -
2 stops19h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$609
This American Airlines deal was found by Cheapflights users on 9/24. 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.
Sun 12/272:45 pm -
1 stop6h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![American Airlines logo]()
$622
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 pm -
3 stops48h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$786
This American Airlines deal was found by Cheapflights users on 9/25. 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.
Thu 10/1512:46 pm -
2 stops11h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![American Airlines logo]()
$948
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Thu 10/154:39 pm -
1 stop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![United Airlines logo]()
$1,060
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Thu 10/155:35 pm -
3 stops49h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$2,507
Find flight deals from St. Louis to Monterey
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Monterey (MRY). 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 September 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $361 (American Airlines) |
One-way from | $225 (American Airlines) |
Popular in | October |
Cheapest in | December |
Average price | $683 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Monterey 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 7,457,451 searches. Data last updated September 25, 2026.
Use the filters below to find and compare flights from St. Louis to Monterey that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisMonterey
STL Lambert-St Louis - MRY Monterey Regional
STLMRY
Lambert-St Louis
Mon 10/19
9:00 am-5:28 pm
2 stops10h 28m
Monterey Regional
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$257
St. LouisMonterey
STL Lambert-St Louis - MRY Monterey Regional
STLMRY
Lambert-St Louis
Sat 12/5
11:23 am-6:36 pm
2 stops9h 13m
Monterey Regional
Sat 12/12
9:57 am-11:33 pm
2 stops11h 36m
$372
St. LouisMonterey
STL Lambert-St Louis - MRY Monterey Regional
STLMRY
Lambert-St Louis
Sat 1/23
7:27 am-4:36 pm
2 stops11h 09m
Monterey Regional
Fri 1/29
1:14 pm-11:55 pm
1 stop8h 41m
$375
St. LouisMonterey
STL Lambert-St Louis - MRY Monterey Regional
STLMRY
Lambert-St Louis
Sun 11/15
8:50 am-5:31 pm
2 stops10h 41m
Monterey Regional
Thu 11/19
5:20 am-12:38 pm
1 stop5h 18m
$384
St. LouisMonterey
STL Lambert-St Louis - MRY Monterey Regional
STLMRY
Lambert-St Louis
Sun 10/18
5:10 am-11:48 am
2 stops8h 38m
Monterey Regional
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$418
St. LouisMonterey
STL Lambert-St Louis - MRY Monterey Regional
STLMRY
Lambert-St Louis
Thu 10/22
6:32 am-11:54 am
1 stop7h 22m
Monterey Regional
Thu 10/29
9:54 am-8:43 pm
1 stop8h 49m
$459
St. LouisMonterey
STL Lambert-St Louis - MRY Monterey Regional
STLMRY
Lambert-St Louis
Thu 10/22
10:12 am-10:57 pm
2 stops14h 45m
Monterey Regional
Thu 10/29
6:03 am-11:59 pm
2 stops15h 56m
$466
St. LouisMonterey
STL Lambert-St Louis - MRY Monterey Regional
STLMRY
Lambert-St Louis
Sat 11/14
8:50 am-1:19 pm
1 stop6h 29m
Monterey Regional
Wed 11/18
12:44 pm-8:59 pm
1 stop6h 15m
$481
St. LouisMonterey
STL Lambert-St Louis - MRY Monterey Regional
STLMRY
Lambert-St Louis
Sat 12/12
8:40 am-1:03 pm
1 stop6h 23m
Monterey Regional
Sat 1/9
12:38 pm-8:59 pm
1 stop6h 21m
$481
St. LouisMonterey
STL Lambert-St Louis - MRY Monterey Regional
STLMRY
Lambert-St Louis
Sun 12/27
5:59 pm-11:42 am
2 stops19h 43m
Monterey Regional
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$609
Showing 1-10 of 14 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Monterey
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Monterey in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Monterey flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Monterey flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Monterey flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Monterey flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Monterey flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Monterey
Have a flexible travel schedule? Discover the best time to fly to Monterey from St. Louis with our price prediction graph.
STL-MRY
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.
Reviews of airlines servicing Monterey
Get insights into the airlines that provide service to Monterey. 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 Monterey. Reviews last updated September 25, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from St. Louis to Monterey. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.7
Entertainment
7.1
Crew
8.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Monterey. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Monterey flight routes
Other flight options
Other flights from St. Louis
Popular flights
Alternative routes for St. Louis to Monterey
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Monterey by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Monterey by cabin class
Find flights from St. Louis to Monterey, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Monterey
Explore flights to Monterey departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
St. Louis and Monterey flights
Browse other St. Louis and Monterey flight options. Last updated on September 25, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on September 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from St. Louis to Monterey
Discover the top 2 airlines that operate flights from St. Louis to Monterey. 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 7,457,451 searches. Data last updated September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$294 | Average$339 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$346 | Average$456 | FlexibilityNo cancel fee | On-time71% |