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Cheap flights from Monterey to St. Louis from $171

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 5/19. 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
0 bags

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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
4:14 pm - 11:59 pm
MRY
-
STL
5h 45m
1 stop
American Airlines Logo
2:38 pm - 6:45 pm
STL
-
MRY
6h 07m
1 stop
$331American Airlines
Fri, Jul 3 - Tue, Jul 7
American Airlines Logo
7:09 pm - 8:34 am
MRY
-
STL
11h 25m
2 stops
American Airlines Logo
2:38 pm - 6:45 pm
STL
-
MRY
6h 07m
1 stop
$336American Airlines
Fri, Jul 3 - Tue, Jul 7
American Airlines Logo
7:09 pm - 8:31 am
MRY
-
STL
11h 22m
2 stops
American Airlines Logo
9:41 am - 6:45 pm
STL
-
MRY
11h 04m
2 stops
$342American Airlines
Fri, Jul 3 - Tue, Jul 7
American Airlines Logo
9:55 am - 7:30 pm
MRY
-
STL
7h 35m
2 stops
American Airlines Logo
2:37 pm - 6:52 pm
STL
-
MRY
6h 15m
1 stop
$407American Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
9:55 am - 11:46 pm
MRY
-
STL
11h 51m
2 stops
American Airlines Logo
12:27 pm - 10:44 pm
STL
-
MRY
12h 17m
2 stops
$412American Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
6:01 am - 1:51 pm
MRY
-
STL
5h 50m
1 stop
American Airlines Logo
5:20 am - 12:10 pm
STL
-
MRY
8h 50m
1 stop
$419American Airlines
Tue, Apr 21 - Sat, Apr 25
American Airlines Logo
9:55 am - 10:59 pm
MRY
-
STL
11h 04m
2 stops
American Airlines Logo
5:20 am - 12:10 pm
STL
-
MRY
8h 50m
1 stop
$424American Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
5:00 am - 12:40 pm
MRY
-
STL
5h 40m
1 stop
United Airlines Logo
4:40 pm - 9:09 pm
STL
-
MRY
6h 29m
1 stop
$431United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
5:00 am - 12:40 pm
MRY
-
STL
5h 40m
1 stop
United Airlines Logo
9:16 am - 5:58 pm
STL
-
MRY
10h 42m
2 stops
$436United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
8:05 am - 11:00 pm
MRY
-
STL
12h 55m
2 stops
United Airlines Logo
5:00 am - 5:58 pm
STL
-
MRY
14h 58m
2 stops
$441United Airlines
Tue, Aug 25 - Sat, Aug 29

United Airlines flights from Monterey to St. Louis

Our best United Airlines deals on Monterey to St. Louis flight tickets
United Airlines
Aug 25
MRY5:00 amMonterey Regional
5h 40m
1 stop
STL12:40 pmLambert-St Louis
Aug 29
STL4:40 pmLambert-St Louis
6h 29m
1 stop
MRY9:09 pmMonterey Regional
$431
United Airlines
Aug 25
MRY5:00 amMonterey Regional
5h 40m
1 stop
STL12:40 pmLambert-St Louis
Aug 29
STL9:16 amLambert-St Louis
10h 42m
2 stops
MRY5:58 pmMonterey Regional
$436
United Airlines
Aug 25
MRY8:05 amMonterey Regional
12h 55m
2 stops
STL11:00 pmLambert-St Louis
Aug 29
STL5:00 amLambert-St Louis
14h 58m
2 stops
MRY5:58 pmMonterey Regional
$441

American Airlines flights from Monterey to St. Louis

Our best American Airlines deals on Monterey to St. Louis flight tickets
American Airlines
Jul 3
MRY4:14 pmMonterey Regional
5h 45m
1 stop
STL11:59 pmLambert-St Louis
Jul 7
STL2:38 pmLambert-St Louis
6h 07m
1 stop
MRY6:45 pmMonterey Regional
$331
American Airlines
Jul 3
MRY7:09 pmMonterey Regional
11h 25m
2 stops
STL8:34 amLambert-St Louis
Jul 7
STL2:38 pmLambert-St Louis
6h 07m
1 stop
MRY6:45 pmMonterey Regional
$336
American Airlines
Jul 3
MRY7:09 pmMonterey Regional
11h 22m
2 stops
STL8:31 amLambert-St Louis
Jul 7
STL9:41 amLambert-St Louis
11h 04m
2 stops
MRY6:45 pmMonterey Regional
$342

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 April 9, 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
Quickest round-trip

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Fri 7/3

4:14 pm-11:59 pm

1 stop5h 45m

Lambert-St Louis

Tue 7/7

2:38 pm-6:45 pm

1 stop6h 07m

$331

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Fri 7/3

7:09 pm-8:34 am

2 stops11h 25m

Lambert-St Louis

Tue 7/7

2:38 pm-6:45 pm

1 stop6h 07m

$336

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Fri 7/3

7:09 pm-8:31 am

2 stops11h 22m

Lambert-St Louis

Tue 7/7

9:41 am-6:45 pm

2 stops11h 04m

$342

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Sat 5/2

9:55 am-7:30 pm

2 stops7h 35m

Lambert-St Louis

Wed 5/6

2:37 pm-6:52 pm

1 stop6h 15m

$407

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Sat 5/2

9:55 am-11:46 pm

2 stops11h 51m

Lambert-St Louis

Wed 5/6

12:27 pm-10:44 pm

2 stops12h 17m

$412

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Tue 4/21

6:01 am-1:51 pm

1 stop5h 50m

Lambert-St Louis

Sat 4/25

5:20 am-12:10 pm

1 stop8h 50m

$419

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Tue 4/21

9:55 am-10:59 pm

2 stops11h 04m

Lambert-St Louis

Sat 4/25

5:20 am-12:10 pm

1 stop8h 50m

$424

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Tue 8/25

5:00 am-12:40 pm

1 stop5h 40m

Lambert-St Louis

Sat 8/29

4:40 pm-9:09 pm

1 stop6h 29m

$431

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Tue 8/25

5:00 am-12:40 pm

1 stop5h 40m

Lambert-St Louis

Sat 8/29

9:16 am-5:58 pm

2 stops10h 42m

$436

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Tue 8/25

8:05 am-11:00 pm

2 stops12h 55m

Lambert-St Louis

Sat 8/29

5:00 am-5:58 pm

2 stops14h 58m

$441

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 typical price of a round-trip flight between Monterey and St. Louis?

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

In general, June 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 $346. The month of September is another great option to travel to St. Louis, with average flight prices from Monterey averaging around $346.

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 $451. 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 Monday because tickets tend to average around $571. 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 $386 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 $792 per ticket.

Can stopping save me money on Monterey to St. Louis flights?

You could potentially save up to 4% on your flight if you consider stops on a Monterey to St. Louis flight.

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 $316Free CancellationRating
7.1
11,560 reviews
Search American Airlines flights
United AirlinesPriceFrom $324Free CancellationRating
7.4
9,554 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
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Wentzville
Alton
Fenton
Farmington
Clayton
Festus
Eureka
Edwardsville
Litchfield
Shrewsbury
Grafton

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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