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

Departing from Monterey to St. Louis will take you 5h 50m. 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 $412. American Airlines is 29% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Monterey to St. Louis?

Travelers seeking maximum savings on their Monterey to St. Louis flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Monterey to St. Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 36 days in advance, which can save you up to 163% on flights from Monterey to St. Louis compared to booking the week you need them. Waiting 36 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $358. For sooner than that we have options available in the next 3 days from $358.

What is the cheapest month to fly from Monterey to St. Louis?

Flights from Monterey to St. Louis lean towards being more expensive in June. Prices are generally better when you fly from Monterey to St. Louis in January, with the cheapest ticket starting at $151.

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.

$288+ Flights from Monterey to St. Louis

Q: How much does it cost to fly round-trip from Monterey to St. Louis?

Airfare is below average for this route at the moment. Monterey to St. Louis flights typically cost between $448 and $594 in November. The cheapest round-trip price found within the last 3 days was $346 on Alaska Airlines (Nov 7-Nov 10).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Round-trip from	$346 (Alaska Airlines)
One-way from	$288 (Alaska Airlines)
Popular in	December
Cheapest in	June
Average price	$484

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. 16% potential increase in price ($86 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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 agosto 18, 2025.

vie. 11/711:14 amMRY - STL

1 stop10h 45mAlaska Airlines

dom. 11/97:00 amSTL - MRY

1 stop29h 37mAlaska Airlines

Deal found 8/18

$346

jue. 10/164:07 pmMRY - STL

1 stop5h 50mAmerican Airlines

dom. 10/195:11 amSTL - MRY

1 stop8h 29mAmerican Airlines

Deal found 8/16

$347

vie. 11/76:05 amMRY - STL

1 stop5h 35mAmerican Airlines

lun. 11/103:23 pmSTL - MRY

2 stops9h 02mAmerican Airlines

Deal found 8/18

$352

sáb. 12/66:00 amMRY - STL

2 stops15h 56mAlaska Airlines

mié. 12/107:00 amSTL - MRY

1 stop8h 35mAlaska Airlines

Deal found 8/15

$362

jue. 10/166:00 amMRY - STL

2 stops16h 03mAlaska Airlines

lun. 10/206:33 amSTL - MRY

2 stops19h 04mAlaska Airlines

Deal found 8/16

$387

sáb. 12/612:58 pmMRY - STL

1 stop8h 48mAmerican Airlines

mié. 12/105:26 amSTL - MRY

1 stop8h 29mAmerican Airlines

Deal found 8/16

$409

vie. 11/76:00 amMRY - STL

2 stops15h 59mAlaska Airlines

lun. 11/107:00 amSTL - MRY

2 stops18h 32mAlaska Airlines

Deal found 8/18

$423

vie. 9/1912:35 pmMRY - STL

1 stop6h 11mUnited Airlines

dom. 9/215:49 pmSTL - MRY

1 stop5h 59mUnited Airlines

Deal found 8/17

$437

Best flights from Monterey to St. Louis
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 agosto 18, 2025.

vie. 11/711:14 amMRY - STL

1 stop10h 45mAlaska Airlines

dom. 11/97:00 amSTL - MRY

1 stop29h 37mAlaska Airlines

Deal found 8/18

$346

jue. 10/164:07 pmMRY - STL

1 stop5h 50mAmerican Airlines

lun. 10/206:21 pmSTL - MRY

1 stop5h 55mAmerican Airlines

Deal found 8/16

$347

vie. 11/711:14 amMRY - STL

1 stop10h 45mAlaska Airlines

lun. 11/104:14 pmSTL - MRY

1 stop20h 23mAlaska Airlines

Deal found 8/18

$346

jue. 10/164:07 pmMRY - STL

1 stop5h 50mAmerican Airlines

dom. 10/195:11 amSTL - MRY

1 stop8h 29mAmerican Airlines

Deal found 8/16

$347

vie. 11/76:05 amMRY - STL

1 stop5h 35mAmerican Airlines

lun. 11/103:23 pmSTL - MRY

2 stops9h 02mAmerican Airlines

Deal found 8/18

$352

sáb. 12/66:00 amMRY - STL

2 stops15h 56mAlaska Airlines

mié. 12/107:00 amSTL - MRY

1 stop8h 35mAlaska Airlines

Deal found 8/15

$362

Last-minute flights from Monterey to St. Louis
Discover last-minute flight deals from Monterey to St. Louis. Data last updated agosto 18, 2025 and is based on user searches.

vie. 8/2210:26 amMRY - STL

2 stops9h 42mUnited Airlines

dom. 8/245:49 pmSTL - MRY

1 stop5h 59mUnited Airlines

Deal found 8/16

$766

jue. 9/45:15 amMRY - STL

1 stop16h 38mUnited Airlines

lun. 9/85:49 pmSTL - MRY

1 stop5h 59mUnited Airlines

Deal found 8/17

$581

vie. 9/55:15 amMRY - STL

1 stop16h 38mUnited Airlines

lun. 9/85:49 pmSTL - MRY

1 stop5h 59mUnited Airlines

Deal found 8/17

$601

vie. 9/1912:35 pmMRY - STL

1 stop6h 11mUnited Airlines

dom. 9/215:49 pmSTL - MRY

1 stop5h 59mUnited Airlines

Deal found 8/17

$437

vie. 9/197:56 pmMRY - STL

1 stop16h 43mAlaska Airlines

dom. 9/216:00 amSTL - MRY

1 stop15h 14mAlaska Airlines

Deal found 8/18

$569

One-way flights from Monterey to St. Louis
Search for one-way flight options from Monterey to St. Louis. Find affordable one-way fares based on user searches. Data last updated agosto 18, 2025.

sáb. 1/38:02 pmMRY - STL

1 stop25h 57mAlaska Airlines

Deal found 8/16

$288

dom. 1/48:02 pmMRY - STL

1 stop25h 57mAlaska Airlines

Deal found 8/16

$308

sáb. 9/207:56 pmMRY - STL

1 stop26h 03mAlaska Airlines

Deal found 8/17

$317

sáb. 1/310:32 amMRY - STL

2 stops9h 50mUnited Airlines

Deal found 8/16

$395

sáb. 9/206:09 amMRY - STL

2 stops10h 13mAmerican Airlines

Deal found 8/17

$542

Fly from

Fly to

Route

Depart

Return

Price

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

vie. 11/7

11:14 am-11:59 pm

1 stop10h 45m

Lambert-St Louis

dom. 11/9

7:00 am-10:37 am

1 stop29h 37m

$346

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

vie. 11/7

11:14 am-11:59 pm

1 stop10h 45m

Lambert-St Louis

lun. 11/10

4:14 pm-10:37 am

1 stop20h 23m

$346

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

jue. 10/16

4:07 pm-11:57 pm

1 stop5h 50m

Lambert-St Louis

lun. 10/20

6:21 pm-10:16 pm

1 stop5h 55m

$347

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

jue. 10/16

4:07 pm-11:57 pm

1 stop5h 50m

Lambert-St Louis

dom. 10/19

5:11 am-11:40 am

1 stop8h 29m

$347

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

vie. 11/7

6:05 am-1:40 pm

1 stop5h 35m

Lambert-St Louis

lun. 11/10

3:23 pm-10:25 pm

2 stops9h 02m

$352

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

sáb. 12/6

6:00 am-11:56 pm

2 stops15h 56m

Lambert-St Louis

mié. 12/10

7:00 am-1:35 pm

1 stop8h 35m

$362

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

sáb. 1/3

8:02 pm-11:59 pm

1 stop25h 57m

$288

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

dom. 1/4

8:02 pm-11:59 pm

1 stop25h 57m

$308

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

sáb. 9/20

7:56 pm-11:59 pm

1 stop26h 03m

$317

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

sáb. 1/3

10:32 am-10:22 pm

2 stops9h 50m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 12 results

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?

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.

How much does it cost to fly round-trip from Monterey to St. Louis?

Reviews of airlines servicing St. Louis

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

8,925 reviews

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

8,925 reviews

United Airlines

7.4

Good

8,925 reviews

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

10,000 reviews

United Airlines

7.4

Good

8,925 reviews

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

How long is the flight from Monterey to St. Louis?
Departing from Monterey to St. Louis will take you 5h 50m. 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 $412. 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, 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

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

St. Peters

Glencoe

Alton

Chesterfield

Farmington

Festus

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Monterey to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$316	Average$461	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$412	Average$466	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$288+ 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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Monterey to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Monterey to St. Louis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Monterey to St. Louis

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 agosto 18, 2025.

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 agosto 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Monterey to St. Louis that are best for you.

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.

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?

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 agosto 18, 2025.

How much does it cost to fly round-trip from Monterey to St. Louis?

Reviews of airlines servicing St. Louis

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.

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?

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

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

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

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

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

Traveling to a place near St. Louis?

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

100% Free

Book with Flexibility

Travel Smart

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 agosto 18, 2025.