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Monterey

$309+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MRY
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
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 February 11, 2026.

This American Airlines deal was found by Cheapflights users on 2/8. 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.
Tue 3/102:31 pm
STL
-
MRY
1 stop6h 20m
American Airlines
Tue 3/176:01 am
MRY
-
STL
1 stop5h 46m
American Airlines
Deal found 2/8$309
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Tue 3/1010:00 am
STL
-
MRY
2 stops10h 01m
United Airlines
Tue 3/172:01 pm
MRY
-
STL
2 stops7h 33m
United Airlines
Deal found 2/8$319
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/45:12 am
STL
-
MRY
2 stops9h 00m
American Airlines
Wed 4/812:48 pm
MRY
-
STL
1 stop8h 11m
American Airlines
Deal found 2/9$339
This Expedia deal was found by Cheapflights users on 2/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:00 am
STL
-
MRY
3 stops18h 43m
Alaska Airlines
Tue 3/172:43 pm
MRY
-
STL
2 stops22h 08m
Alaska Airlines
Deal found 2/8$428
This Travelocity deal was found by Cheapflights users on 2/9. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:24 pm
STL
-
MRY
1 stop28h 45m
Alaska Airlines
Sun 10/253:06 pm
MRY
-
STL
2 stops21h 20m
Alaska Airlines
Deal found 2/9$444
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:41 am
STL
-
MRY
2 stops11h 39m
United Airlines
Mon 3/26:03 pm
MRY
-
STL
2 stops14h 10m
United Airlines
Deal found 2/11$459
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:05 am
STL
-
MRY
1 stop9h 19m
American Airlines
Sun 10/254:30 pm
MRY
-
STL
1 stop5h 47m
American Airlines
Deal found 2/9$468
This American Airlines deal was found by Cheapflights users on 2/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:31 pm
STL
-
MRY
1 stop6h 20m
American Airlines
Mon 3/27:21 pm
MRY
-
STL
2 stops12h 12m
American Airlines
Deal found 2/11$483

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(American Airlines)

Popular in

July

Cheapest in

December

Average price

$366
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
Highest demand for flights based on searches. 16% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 11, 2026.
Use the filters below to find and compare flights from St. Louis to Monterey that are best for you.

Fly from

St. Louis

Fly to

Monterey

Route

Depart

Return

Price

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Tue 3/10

2:31 pm-6:51 pm

1 stop6h 20m

Monterey Regional

Tue 3/17

6:01 am-1:47 pm

1 stop5h 46m

$309

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Tue 3/10

10:00 am-6:01 pm

2 stops10h 01m

Monterey Regional

Tue 3/17

2:01 pm-11:34 pm

2 stops7h 33m

$319

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 4/4

5:12 am-12:12 pm

2 stops9h 00m

Monterey Regional

Wed 4/8

12:48 pm-10:59 pm

1 stop8h 11m

$339

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Tue 3/10

7:00 am-11:43 pm

3 stops18h 43m

Monterey Regional

Tue 3/17

2:43 pm-2:51 pm

2 stops22h 08m

$428

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Thu 2/26

7:41 am-5:20 pm

2 stops11h 39m

Monterey Regional

Mon 3/2

6:03 pm-10:13 am

2 stops14h 10m

$459

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Thu 2/26

2:31 pm-6:51 pm

1 stop6h 20m

Monterey Regional

Mon 3/2

7:21 pm-9:33 am

2 stops12h 12m

$483

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 2/21

9:55 am-5:41 pm

2 stops9h 46m

Monterey Regional

Wed 2/25

5:00 am-1:14 pm

1 stop6h 14m

$499

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sun 3/8

5:12 am-12:20 pm

1 stop9h 08m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

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 February.
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, August is the cheapest month in which you can book a flight from St. Louis to Monterey (average of $121). Flying from St. Louis to Monterey in May is currently the most expensive (average of $240). 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.

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 February 11, 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.
United Airlines
7.4
Good
9,276 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,276 reviews
United Airlines
7.4
Good
9,276 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,267 reviews
United Airlines
7.4
Good
9,276 reviews

Entertainment

7.1

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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, United Airlines, and Alaska Airlines fly from St. Louis to Monterey in about 6h 20m. The time it takes to get you to your destination can typically vary by up to 12h 23m. 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 are the cheapest airlines flying from St. Louis to Monterey round-trip?

    Cheapflights users have booked flights from St. Louis to Monterey round-trip from $294. Another airline that can offer you cheap pricing is American Airlines. United Airlines is priced at 33% 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, August is the cheapest month in which you can book a flight from St. Louis to Monterey (average of $121). Flying from St. Louis to Monterey in May is currently the most expensive (average of $240). 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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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 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$294Average$459FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$342Average$408FlexibilityNo cancel feeOn-time71%

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