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Monterey

$227+ Cheap flights from St. Louis to Monterey (STL - MRY)

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MRY
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
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Cheap flight deals from St. Louis to Monterey

Cheapest flights from St. Louis to Monterey
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 May 10, 2026.

This American Airlines deal was found by Cheapflights users on 5/6. 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 10/248:05 am
STL
-
MRY
1 stop9h 19m
American Airlines
Fri 10/304:30 pm
MRY
-
STL
1 stop5h 47m
American Airlines
Deal found 5/6$340
This United Airlines deal was found by Cheapflights users on 5/8. 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 10/107:00 am
STL
-
MRY
1 stop6h 19m
United Airlines
Sat 10/178:30 am
MRY
-
STL
1 stop8h 08m
United Airlines
Deal found 5/8$341
This Expedia deal was found by Cheapflights users on 5/6. 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.
Sat 10/246:00 am
STL
-
MRY
1 stop14h 03m
Alaska Airlines
Fri 10/306:03 am
MRY
-
STL
2 stops15h 56m
Alaska Airlines
Deal found 5/6$345
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 6/12:37 pm
STL
-
MRY
1 stop5h 46m
American Airlines
Mon 6/84:14 pm
MRY
-
STL
1 stop5h 43m
American Airlines
Deal found 5/6$349
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 5/277:03 am
STL
-
MRY
1 stop6h 52m
American Airlines
Sun 5/317:03 pm
MRY
-
STL
2 stops11h 30m
American Airlines
Deal found 5/8$350
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/103:24 pm
STL
-
MRY
1 stop28h 45m
Alaska Airlines
Sun 12/133:06 pm
MRY
-
STL
2 stops21h 20m
Alaska Airlines
Deal found 5/7$364
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 6/177:04 am
STL
-
MRY
1 stop6h 50m
American Airlines
Sat 6/277:03 pm
MRY
-
STL
2 stops11h 28m
American Airlines
Deal found 5/8$388

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 May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$340
(American Airlines)

One-way from

$227
(Expedia)

Popular in

May

Cheapest in

December

Average price

$658
Provider with most accurate pricing for Lambert-St Louis-Monterey Regional flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Monterey Regional flights.
Search Deals
From Lambert-St Louis to Monterey Regional
Search Deals
One-way flight from Lambert-St Louis to Monterey Regional
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 2,558,603 searches. Data last updated May 10, 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

Price

Cheapest round-trip

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 5/27

8:36 am-6:23 pm

2 stops11h 47m

Monterey Regional

Sun 5/31

7:03 pm-8:33 am

2 stops11h 30m

$386

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Mon 6/1

8:36 am-6:23 pm

2 stops11h 47m

Monterey Regional

Mon 6/8

7:03 pm-8:32 am

2 stops11h 29m

$394
Quickest round-trip

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 8/29

8:52 am-3:01 pm

1 stop8h 09m

Monterey Regional

Wed 9/2

5:00 am-12:40 pm

1 stop5h 40m

$431

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 10/10

7:00 am-11:19 am

1 stop6h 19m

Monterey Regional

Sat 10/17

8:30 am-6:38 pm

1 stop8h 08m

$431

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 10/10

6:00 am-10:52 pm

2 stops18h 52m

Monterey Regional

Sat 10/17

6:03 am-11:59 pm

2 stops15h 56m

$456

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 10/10

10:14 am-6:32 pm

2 stops10h 18m

Monterey Regional

Sat 10/17

7:29 pm-8:04 am

2 stops10h 35m

$465
Cheapest one-way
Quickest one-way

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 5/29

4:48 pm-9:10 pm

1 stop6h 22m

$390

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 5/22

4:48 pm-9:10 pm

1 stop6h 22m

$390

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 5/29

7:00 am-6:14 pm

2 stops13h 14m

$447

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 7/29

4:52 pm-5:42 pm

3 stops50h 50m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Sorted 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 Monterey

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

Currently, December is the cheapest month in which you can book a flight from St. Louis to Monterey (average of $294). Flying from St. Louis to Monterey in July is currently the most expensive (average of $650). 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 St. Louis to Monterey?

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 May 10, 2026.
Read reviews from past customers who have flown 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.
American Airlines
7.1
Good
11,667 reviews

Comfort

7.2

Overall

7.1

Boarding

7.5

Food

6.4

Entertainment

6.9

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,667 reviews
American Airlines
7.1
Good
11,667 reviews

Comfort

7.2

Overall

7.1

Boarding

7.5

Food

6.4

Entertainment

6.9

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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.

  • How long is the flight from St. Louis to Monterey?

    Airlines like American Airlines and United Airlines fly from St. Louis to Monterey in about 8h 09m. The time it takes to get you to your destination can typically vary by up to 3h 38m. The distance between St. Louis and Monterey is about 1718 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from St. Louis to Monterey round-trip?

    Cheapflights users have booked flights from St. Louis to Monterey round-trip from $318. American Airlines is priced at 29% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from St. Louis to Monterey (average of $294). Flying from St. Louis to Monterey in July is currently the most expensive (average of $650). 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.

See more FAQs

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Alternative routes for St. Louis to Monterey

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Top airline flying from St. Louis to Monterey

Discover the top airline 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 2,558,603 searches. Data last updated May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$318Average$444FlexibilityNo cancel feeOn-time71%

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