St. Louis

$174+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
MRY — STL
jul. 8 — jul. 151
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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 julio 3, 2025.

Round-trip from

$346
(Alaska Airlines)

One-way from

$174
(American Airlines)

Popular in

December

Cheapest in

June

Average price

$482
From Monterey Regional to Lambert-St Louis
One-way flight from Monterey Regional to Lambert-St Louis
Highest demand for flights based on searches. 13% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in July 2025

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 julio 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/62:25 pmMRY - STL
1 stop7h 31mAlaska Airlines
mié. 12/107:00 amSTL - MRY
1 stop8h 35mAlaska Airlines
Deal found 6/30$346
This United Airlines deal was found by Cheapflights users on 7/2. 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.
lun. 11/177:50 amMRY - STL
1 stop7h 13mUnited Airlines
vie. 11/211:35 pmSTL - MRY
1 stop9h 32mUnited Airlines
Deal found 7/2$347
This American Airlines deal was found by Cheapflights users on 6/30. 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.
mié. 7/1612:18 pmMRY - STL
1 stop8h 39mAmerican Airlines
dom. 7/205:30 amSTL - MRY
1 stop7h 58mAmerican Airlines
Deal found 6/30$407

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 julio 3, 2025.
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

sáb. 12/6

2:25 pm-11:56 pm

1 stop7h 31m

Lambert-St Louis

mié. 12/10

7:00 am-1:35 pm

1 stop8h 35m

$346

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

lun. 11/17

7:50 am-5:03 pm

1 stop7h 13m

Lambert-St Louis

vie. 11/21

1:35 pm-9:07 pm

1 stop9h 32m

$347

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

mié. 7/16

12:18 pm-10:57 pm

1 stop8h 39m

Lambert-St Louis

dom. 7/20

5:30 am-11:28 am

1 stop7h 58m

$407

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

sáb. 8/9

4:03 pm-12:16 am

1 stop6h 13m

$174

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

mié. 8/6

5:15 am-12:46 pm

1 stop5h 31m

$249

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

mar. 7/22

6:00 am-6:35 pm

2 stops10h 35m

$254

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

vie. 7/18

4:03 pm-12:10 pm

3 stops42h 07m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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, August is the cheapest month in which you can book a flight from Monterey to St. Louis (average of $311). Flying from Monterey to St. Louis in March is currently the most expensive (average of $356). 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.

What is the cheapest time of day to fly from MRY to STL?

Find hourly flight availability from Monterey to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 59% on flights from Monterey to St. Louis by exploring options for tickets in the afternoon.

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 julio 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, 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.

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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

    Our cheapest airline available from Monterey to St. Louis is Alaska Airlines. Our recent data shows that you can find tickets from as low as $346 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $347 and $407 round-trip. Alaska Airlines is 24% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Monterey to St. Louis one-way?

    $174 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $249 and $254, respectively.

  • 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, August is the cheapest month in which you can book a flight from Monterey to St. Louis (average of $311). Flying from Monterey to St. Louis in March is currently the most expensive (average of $356). 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 Monterey?

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

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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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$316Average$468FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$351Average$466FlexibilityNo cancel feeOn-time69%

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