$160+ Cheap flights from Monterey to St. Louis (MRY - STL)
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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
MRY — STL
Mar 4 — Mar 111
1 adult, Economy
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Find cheap flights from Monterey to St. Louis 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 Monterey to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Monterey to St. LouisExplore the most affordable flight options available from Monterey to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
Explore the most affordable flight options available from Monterey to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 2/206:03 pm
MRY
- STL
2 stops14h 10m
United Airlines
Mon 2/239:55 am
STL
- MRY
2 stops13h 35m
United Airlines
Deal found 1/31![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:22 pm
MRY
- STL
2 stops11h 01m
American Airlines
Sun 4/192:37 pm
STL
- MRY
1 stop6h 15m
American Airlines
Deal found 1/30![American Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/312:35 pm
MRY
- STL
1 stop6h 23m
United Airlines
Sat 2/75:00 pm
STL
- MRY
1 stop6h 59m
United Airlines
Deal found 1/30![United Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Fri 4/34:50 pm
MRY
- STL
1 stop29h 09m
Alaska Airlines
Mon 4/64:20 pm
STL
- MRY
1 stop25h 53m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$500
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:40 pm
MRY
- STL
2 stops14h 05m
United Airlines
Sun 4/197:45 am
STL
- MRY
2 stops12h 15m
United Airlines
Deal found 1/30![United Airlines logo]()
$518
Best flights from Monterey to St. LouisDiscover carefully curated flight deals from Monterey to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
Discover carefully curated flight deals from Monterey to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 2, 2026.
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 2/206:03 pm
MRY
- STL
2 stops14h 10m
United Airlines
Mon 2/239:55 am
STL
- MRY
2 stops13h 35m
United Airlines
Deal found 1/31![United Airlines logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Fri 4/34:50 pm
MRY
- STL
1 stop29h 09m
Alaska Airlines
Mon 4/64:20 pm
STL
- MRY
1 stop25h 53m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$500
This American Airlines deal was found by Cheapflights users on 1/31. 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 2/2012:48 pm
MRY
- STL
1 stop8h 10m
American Airlines
Mon 2/232:31 pm
STL
- MRY
1 stop6h 20m
American Airlines
Deal found 1/31![American Airlines logo]()
$597
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:40 pm
MRY
- STL
2 stops14h 05m
United Airlines
Sun 4/197:45 am
STL
- MRY
2 stops12h 15m
United Airlines
Deal found 1/30![United Airlines logo]()
$518
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 4/34:50 pm
MRY
- STL
1 stop29h 09m
Alaska Airlines
Sat 4/117:00 am
STL
- MRY
1 stop11h 13m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 1/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:48 pm
MRY
- STL
1 stop8h 16m
American Airlines
Sun 4/192:37 pm
STL
- MRY
1 stop6h 15m
American Airlines
Deal found 1/30![American Airlines logo]()
$597
This United Airlines deal was found by Cheapflights users on 1/31. 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 2/155:00 am
MRY
- STL
1 stop6h 14m
United Airlines
Thu 2/197:41 am
STL
- MRY
2 stops11h 39m
United Airlines
Deal found 1/31![United Airlines logo]()
$610
This American Airlines deal was found by Cheapflights users on 2/1. 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 2/137:21 pm
MRY
- STL
2 stops11h 14m
American Airlines
Mon 2/1611:46 am
STL
- MRY
2 stops13h 37m
American Airlines
Deal found 2/1![American Airlines logo]()
$661
Last-minute flights from Monterey to St. LouisDiscover last-minute flight deals from Monterey to St. Louis. Data last updated February 2, 2026 and is based on user searches.
Discover last-minute flight deals from Monterey to St. Louis. Data last updated February 2, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/312:35 pm
MRY
- STL
1 stop6h 23m
United Airlines
Sat 2/75:00 pm
STL
- MRY
1 stop6h 59m
United Airlines
Deal found 1/30![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 1/31. 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 2/155:00 am
MRY
- STL
1 stop6h 14m
United Airlines
Thu 2/197:41 am
STL
- MRY
2 stops11h 39m
United Airlines
Deal found 1/31![United Airlines logo]()
$610
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 2/206:03 pm
MRY
- STL
2 stops14h 10m
United Airlines
Mon 2/239:55 am
STL
- MRY
2 stops13h 35m
United Airlines
Deal found 1/31![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 1/31. 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 2/2012:48 pm
MRY
- STL
1 stop8h 10m
American Airlines
Mon 2/232:31 pm
STL
- MRY
1 stop6h 20m
American Airlines
Deal found 1/31![American Airlines logo]()
$597
One-way flights from Monterey to St. LouisSearch for one-way flight options from Monterey to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
Search for one-way flight options from Monterey to St. Louis. Find affordable one-way fares based on user searches. Data last updated February 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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 4/286:02 am
MRY
- STL
2 stops15h 57m
Alaska Airlines
Deal found 1/31![Alaska Airlines logo]()
$160
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Sun 2/227:13 pm
MRY
- STL
1 stop16h 38m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$297
Find flight deals from Monterey to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Monterey (MRY) to St. Louis (STL). 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 February 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (United Airlines) |
One-way from | $160 (Alaska Airlines) |
Popular in | August |
Cheapest in | June |
Average price | $643 |
Cheapflights Fare Finder
Customize your flight search to find flights from Monterey to St. Louis 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 February 2, 2026.
Use the filters below to find and compare flights from Monterey to St. Louis that are best for you.
Fly from
Monterey
Fly to
St. Louis
Route
Depart
Return
Price
MontereySt. Louis
MRY - STL
MRYSTL
Monterey Regional
Fri 2/20
6:03 pm-10:13 am
2 stops14h 10m
Lambert-St Louis
Mon 2/23
9:55 am-9:30 pm
2 stops13h 35m
$369
MontereySt. Louis
MRY - STL
MRYSTL
Monterey Regional
Fri 4/3
4:50 pm-11:59 pm
1 stop29h 09m
Lambert-St Louis
Mon 4/6
4:20 pm-4:13 pm
1 stop25h 53m
$500
MontereySt. Louis
MRY - STL
MRYSTL
Monterey Regional
Fri 4/17
6:40 pm-10:45 am
2 stops14h 05m
Lambert-St Louis
Sun 4/19
7:45 am-6:00 pm
2 stops12h 15m
$518
MontereySt. Louis
MRY - STL
MRYSTL
Monterey Regional
Fri 4/3
4:50 pm-11:59 pm
1 stop29h 09m
Lambert-St Louis
Sat 4/11
7:00 am-4:13 pm
1 stop11h 13m
$540
MontereySt. Louis
MRY - STL
MRYSTL
Monterey Regional
Fri 2/20
12:48 pm-10:58 pm
1 stop8h 10m
Lambert-St Louis
Mon 2/23
2:31 pm-6:51 pm
1 stop6h 20m
$597
MontereySt. Louis
MRY - STL
MRYSTL
Monterey Regional
Fri 4/17
12:48 pm-11:04 pm
1 stop8h 16m
Lambert-St Louis
Sun 4/19
2:37 pm-6:52 pm
1 stop6h 15m
$597
MontereySt. Louis
MRY - STL
MRYSTL
Monterey Regional
Sun 2/15
5:00 am-1:14 pm
1 stop6h 14m
Lambert-St Louis
Thu 2/19
7:41 am-5:20 pm
2 stops11h 39m
$610
MontereySt. Louis
MRY - STL
MRYSTL
Monterey Regional
Fri 2/13
7:21 pm-8:35 am
2 stops11h 14m
Lambert-St Louis
Mon 2/16
11:46 am-11:23 pm
2 stops13h 37m
$661
MontereySt. Louis
MRY - STL
MRYSTL
Monterey Regional
Tue 4/28
6:02 am-11:59 pm
2 stops15h 57m
$160
MontereySt. Louis
MRY - STL
MRYSTL
Monterey Regional
Sun 2/22
7:13 pm-1:51 pm
1 stop16h 38m
$297
Compare providers for flights from Monterey to St. Louis
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 Monterey to St. Louis in February.
| 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 Monterey-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Monterey-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monterey-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Monterey-St. Louis 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 Monterey-St. Louis 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 Monterey to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Monterey with our price prediction graph.
MRY-STL
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 Monterey to St. Louis
What is the cheapest month to book a flight from Monterey to St. Louis?
Currently, February is the cheapest month in which you can book a flight from Monterey to St. Louis (average of $91). Flying from Monterey to St. Louis in June is currently the most expensive (average of $262). 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.
How much does it cost to fly round-trip from Monterey to St. Louis?
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated February 2, 2026.
Read reviews from past customers who have flown United Airlines and American Airlines from Monterey to St. Louis. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Food
6.6
Overall
7.4
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Crew
8.1
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Food
6.6
Overall
7.4
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Crew
8.1
Comfort
7.3
Entertainment
7.1
Boarding
7.7
Food
6.6
Overall
7.4
Reviews
1 / 20
10.0
ExcellentKathy,Jun 2024
RDD - SFO
Related info for your journey
Find useful and relevant information for your journey from Monterey to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus
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 for Monterey to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Monterey to St. Louis
Discover the top 2 airlines that operate flights from Monterey to St. Louis. 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 February 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$316 | Average$461 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$382 | Average$444 | FlexibilityNo cancel fee | On-time69% |