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Cheap flights from Monterey to St. Louis from $191

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Monterey to St. Louis departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Monterey to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:40 pm - 11:42 pm
MRY
-
STL
9h 02m
2 stops
American Airlines Logo
5:42 am - 11:42 am
STL
-
MRY
8h 00m
1 stop
$345American Airlines
Sat, Aug 29 - Mon, Aug 31
American Airlines Logo
12:32 pm - 11:42 pm
MRY
-
STL
9h 10m
1 stop
American Airlines Logo
6:36 am - 11:42 am
STL
-
MRY
7h 06m
1 stop
$349American Airlines
Sat, Aug 15 - Mon, Aug 17
United Airlines Logo
5:00 am - 12:40 pm
MRY
-
STL
5h 40m
1 stop
United Airlines Logo
4:40 pm - 9:10 pm
STL
-
MRY
6h 30m
1 stop
$350United Airlines
Sat, Aug 29 - Mon, Aug 31
United Airlines Logo
2:05 pm - 10:59 pm
MRY
-
STL
6h 54m
1 stop
United Airlines Logo
9:30 am - 5:58 pm
STL
-
MRY
10h 28m
2 stops
$354United Airlines
Sat, Aug 15 - Mon, Aug 17
American Airlines Logo
12:32 pm - 10:41 pm
MRY
-
STL
8h 09m
1 stop
American Airlines Logo
5:42 am - 11:42 am
STL
-
MRY
8h 00m
1 stop
$359American Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
12:30 pm - 8:46 pm
MRY
-
STL
6h 16m
1 stop
United Airlines Logo
9:00 am - 3:01 pm
STL
-
MRY
8h 01m
2 stops
$364United Airlines
Thu, Aug 20 - Thu, Aug 27
United Airlines Logo
1:51 pm - 11:40 pm
MRY
-
STL
7h 49m
2 stops
United Airlines Logo
9:30 am - 5:58 pm
STL
-
MRY
10h 28m
2 stops
$366United Airlines
Sat, Aug 29 - Mon, Aug 31
American Airlines Logo
12:40 pm - 11:42 pm
MRY
-
STL
9h 02m
2 stops
American Airlines Logo
6:36 am - 11:42 am
STL
-
MRY
7h 06m
1 stop
$375American Airlines
Thu, Sep 3 - Mon, Sep 7
American Airlines Logo
12:40 pm - 11:42 pm
MRY
-
STL
9h 02m
2 stops
American Airlines Logo
5:42 am - 11:42 am
STL
-
MRY
8h 00m
1 stop
$389American Airlines
Sat, Aug 15 - Mon, Aug 17
Alaska Airlines Logo
2:43 pm - 5:10 pm
MRY
-
STL
24h 27m
2 stops
Alaska Airlines Logo
6:29 am - 11:59 pm
STL
-
MRY
19h 30m
2 stops
$392Alaska Airlines
Fri, Sep 18 - Wed, Sep 23

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United Airlines flights from Monterey to St. Louis

Our best United Airlines deals on Monterey to St. Louis flight tickets
United Airlines
Aug 29
MRY5:00 amMonterey Regional
5h 40m
1 stop
STL12:40 pmLambert-St Louis
Aug 31
STL4:40 pmLambert-St Louis
6h 30m
1 stop
MRY9:10 pmMonterey Regional
$350
United Airlines
Aug 15
MRY2:05 pmMonterey Regional
6h 54m
1 stop
STL10:59 pmLambert-St Louis
Aug 17
STL9:30 amLambert-St Louis
10h 28m
2 stops
MRY5:58 pmMonterey Regional
$354
United Airlines
Aug 20
MRY12:30 pmMonterey Regional
6h 16m
1 stop
STL8:46 pmLambert-St Louis
Aug 27
STL9:00 amLambert-St Louis
8h 01m
2 stops
MRY3:01 pmMonterey Regional
$364

American Airlines flights from Monterey to St. Louis

Our best American Airlines deals on Monterey to St. Louis flight tickets
American Airlines
Aug 29
MRY12:40 pmMonterey Regional
9h 02m
2 stops
STL11:42 pmLambert-St Louis
Aug 31
STL5:42 amLambert-St Louis
8h 00m
1 stop
MRY11:42 amMonterey Regional
$345
American Airlines
Aug 15
MRY12:32 pmMonterey Regional
9h 10m
1 stop
STL11:42 pmLambert-St Louis
Aug 17
STL6:36 amLambert-St Louis
7h 06m
1 stop
MRY11:42 amMonterey Regional
$349
American Airlines
Sep 3
MRY12:32 pmMonterey Regional
8h 09m
1 stop
STL10:41 pmLambert-St Louis
Sep 7
STL5:42 amLambert-St Louis
8h 00m
1 stop
MRY11:42 amMonterey Regional
$359

momondo 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, momondo users made 832,500 searches. Data last updated July 26, 2026.
Use the filters below to find and compare flights from Monterey to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Sat 8/29

12:40 pm-11:42 pm

2 stops9h 02m

Lambert-St Louis

Mon 8/31

5:42 am-11:42 am

1 stop8h 00m

$345

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Sat 8/15

12:32 pm-11:42 pm

1 stop9h 10m

Lambert-St Louis

Mon 8/17

6:36 am-11:42 am

1 stop7h 06m

$349
Quickest round-trip

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Sat 8/29

5:00 am-12:40 pm

1 stop5h 40m

Lambert-St Louis

Mon 8/31

4:40 pm-9:10 pm

1 stop6h 30m

$350

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Sat 8/15

2:05 pm-10:59 pm

1 stop6h 54m

Lambert-St Louis

Mon 8/17

9:30 am-5:58 pm

2 stops10h 28m

$354

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Thu 9/3

12:32 pm-10:41 pm

1 stop8h 09m

Lambert-St Louis

Mon 9/7

5:42 am-11:42 am

1 stop8h 00m

$359

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Thu 8/20

12:30 pm-8:46 pm

1 stop6h 16m

Lambert-St Louis

Thu 8/27

9:00 am-3:01 pm

2 stops8h 01m

$364

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Sat 8/29

1:51 pm-11:40 pm

2 stops7h 49m

Lambert-St Louis

Mon 8/31

9:30 am-5:58 pm

2 stops10h 28m

$366

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Thu 9/3

12:40 pm-11:42 pm

2 stops9h 02m

Lambert-St Louis

Mon 9/7

6:36 am-11:42 am

1 stop7h 06m

$375

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Sat 8/15

12:40 pm-11:42 pm

2 stops9h 02m

Lambert-St Louis

Mon 8/17

5:42 am-11:42 am

1 stop8h 00m

$389

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Fri 9/18

2:43 pm-5:10 pm

2 stops24h 27m

Lambert-St Louis

Wed 9/23

6:29 am-11:59 pm

2 stops19h 30m

$392

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Monterey to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, August is the cheapest month to fly from Monterey to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of July is another great option to travel to St. Louis, with average flight prices from Monterey averaging around $0.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $500. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $610. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Monterey at noon is the least expensive time of day to depart. momondo users have found prices as low as $488 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $972 per ticket.

When to book flights from Monterey to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Monterey to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Monterey to St. Louis (MRY to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Monterey to St. Louis

Fastest flight time

5h 40m

Direct flights

None
The fastest flight from Monterey to St. Louis takes 5h 40m
There are no direct flights from Monterey to St. Louis. There are no popular flight routes from Monterey to St. Louis.
Search flight deals

Frequently asked questions about flying from Monterey to St. Louis

  • How far is Monterey Regional to Lambert-St Louis by plane?

    Lambert-St Louis is 1730.7 mi away from Monterey Regional. A reasonable flight in good conditions will take 5h 40m.

  • When did momondo last update prices for flights from Monterey Regional Airport to Lambert-St Louis Airport?

    Prices for flights from Monterey Regional Airport to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from Monterey Regional Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Monterey Regional Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Monterey Regional Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Monterey to St. Louis?

Best airlines flying from Monterey to St. Louis

Compare and see reviews for airlines that fly from Monterey to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $318Free CancellationRating
7.1
11,844 reviews
Search American Airlines flights
United AirlinesPriceFrom $382Free CancellationRating
7.4
10,040 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Collinsville
St. Peters
Florissant
Maryland Heights
O'Fallon
Alton
Farmington
Clayton
Wentzville
Fenton
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Monterey to St. Louis?

It is quick and easy to find Monterey to St. Louis flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to St. Louis that suits you.

Can I find flights from Monterey to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Monterey to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Monterey to St. Louis?

Once you have performed a search for Monterey to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Monterey to St. Louis right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to St. Louis from Monterey. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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