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$270+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
MRY — STL
feb. 13 — feb. 201
vie. 2/13
vie. 2/20
1 adult, Economy
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Cheap 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 enero 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$314
(American Airlines)

One-way from

$270
(United Airlines)

Popular in

August

Cheapest in

June

Average price

$476
Provider with most accurate pricing for Monterey Regional-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Monterey Regional-Lambert-St Louis flights.
Search Deals
From Monterey Regional to Lambert-St Louis
Search Deals
One-way flight from Monterey Regional to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Monterey to St. Louis

Cheapest flights from Monterey to St. Louis
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 enero 14, 2026.

This American Airlines deal was found by Cheapflights users on 1/14. 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.
vie. 2/207:21 pm
MRY
-
STL
2 stops11h 14m
American Airlines
lun. 2/232:31 pm
STL
-
MRY
1 stop6h 20m
American Airlines
Deal found 1/14$314
This United Airlines deal was found by Cheapflights users on 1/14. 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.
vie. 1/305:00 am
MRY
-
STL
1 stop6h 16m
United Airlines
lun. 2/24:15 pm
STL
-
MRY
1 stop7h 05m
United Airlines
Deal found 1/14$359
This United Airlines deal was found by Cheapflights users on 1/12. 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.
jue. 2/195:00 am
MRY
-
STL
1 stop6h 14m
United Airlines
lun. 2/234:30 pm
STL
-
MRY
1 stop6h 55m
United Airlines
Deal found 1/12$367
This United Airlines deal was found by Cheapflights users on 1/13. 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.
vie. 4/246:45 pm
MRY
-
STL
1 stop9h 05m
United Airlines
lun. 4/272:40 pm
STL
-
MRY
1 stop8h 27m
United Airlines
Deal found 1/13$379
This United Airlines deal was found by Cheapflights users on 1/14. 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.
vie. 2/205:00 am
MRY
-
STL
1 stop6h 14m
United Airlines
lun. 2/234:30 pm
STL
-
MRY
1 stop6h 55m
United Airlines
Deal found 1/14$404

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 enero 14, 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

vie. 4/10

6:45 pm-5:50 am

1 stop9h 05m

Lambert-St Louis

lun. 4/13

2:40 pm-10:17 pm

2 stops9h 37m

$314

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

vie. 2/20

7:21 pm-8:35 am

2 stops11h 14m

Lambert-St Louis

lun. 2/23

2:31 pm-6:51 pm

1 stop6h 20m

$314

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

vie. 1/30

5:00 am-1:16 pm

1 stop6h 16m

Lambert-St Louis

lun. 2/2

4:15 pm-9:20 pm

1 stop7h 05m

$359

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

vie. 4/10

4:50 pm-3:24 pm

1 stop20h 34m

Lambert-St Louis

lun. 4/13

4:20 pm-4:13 pm

1 stop25h 53m

$367

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

jue. 2/19

7:00 am-9:05 pm

2 stops12h 05m

Lambert-St Louis

lun. 2/23

4:30 pm-9:25 pm

1 stop6h 55m

$372

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

lun. 4/13

6:45 pm-5:50 am

1 stop9h 05m

Lambert-St Louis

vie. 4/17

2:40 pm-10:17 pm

2 stops9h 37m

$404

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

vie. 2/20

5:00 am-1:14 pm

1 stop6h 14m

Lambert-St Louis

lun. 2/23

4:30 pm-9:25 pm

1 stop6h 55m

$404

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

dom. 1/18

6:30 am-3:37 pm

1 stop7h 07m

$270

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

dom. 1/18

6:09 am-6:14 pm

2 stops10h 05m

$275

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

mar. 1/20

7:00 am-10:00 pm

2 stops13h 00m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 11 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Monterey-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Monterey-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 $261). 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 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 enero 14, 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.
United Airlines
7.4
Good
9,163 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
9,163 reviews
United Airlines
7.4
Good
9,163 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
American Airlines
7.2
Good
11,129 reviews
United Airlines
7.4
Good
9,163 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

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.

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

    Departing from Monterey to St. Louis will take you 9h 05m. The distance from Monterey to St. Louis is about 1718 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Monterey to St. Louis round-trip?

    Our cheapest airline available from Monterey to St. Louis is American Airlines. Our recent data shows that you can find tickets from as low as $316 on this airline. An additional option worth looking into is United Airlines, starting at $382. American Airlines is 29% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Monterey to St. Louis 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 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 $261). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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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 enero 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$316Average$461FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$382Average$442FlexibilityNo cancel feeOn-time69%

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