What airlines fly to St. Louis?

Southwest, United Airlines and Frontier are the top three most popular airlines that fly to St. Louis from Monterey according to our data. Southwest is the first choice among our users, with 40% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 5 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

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?

As of December 2025, there are 2 operators available to choose from 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.

$305 Cheap Flights from Monterey to St. Louis in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Monterey to St. Louis

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:09 am - 1:53 pm

MRY

STL

5h 44m1 stop

7:27 am - 12:22 pm

STL

MRY

6h 55m1 stop

$367American Airlines

Fri, Jan 30 - Mon, Feb 2

6:09 am - 4:14 pm

MRY

STL

8h 05m2 stops

2:38 pm - 7:05 pm

STL

MRY

6h 27m1 stop

$372American Airlines

Fri, Jan 30 - Mon, Feb 2

6:00 am - 10:46 pm

MRY

STL

14h 46m2 stops

2:50 pm - 11:26 pm

STL

MRY

10h 36m2 stops

$377Alaska Airlines

Fri, Jan 30 - Mon, Feb 2

6:00 am - 1:54 pm

MRY

STL

29h 54m2 stops

6:19 pm - 5:30 pm

STL

MRY

25h 11m1 stop

$383Alaska Airlines

Wed, Jan 21 - Sat, Jan 24

6:00 am - 10:46 pm

MRY

STL

14h 46m3 stops

2:50 pm - 2:37 pm

STL

MRY

25h 47m2 stops

$385Alaska Airlines

Fri, Jan 30 - Mon, Feb 2

6:00 am - 10:46 pm

MRY

STL

14h 46m3 stops

2:50 pm - 2:37 pm

STL

MRY

25h 47m3 stops

$393Alaska Airlines

Fri, Jan 30 - Mon, Feb 2

3:14 pm - 1:54 pm

MRY

STL

20h 40m2 stops

6:19 pm - 11:26 pm

STL

MRY

31h 07m2 stops

$403Alaska Airlines

Wed, Jan 21 - Sat, Jan 24

5:00 am - 1:16 pm

MRY

STL

6h 16m1 stop

5:00 pm - 9:59 pm

STL

MRY

6h 59m1 stop

$407United Airlines

Sun, Jan 18 - Wed, Jan 21

6:00 am - 1:54 pm

MRY

STL

29h 54m2 stops

6:19 pm - 5:30 pm

STL

MRY

25h 11m1 stop

$408Alaska Airlines

Wed, Jan 21 - Sat, Jan 24

6:00 am - 10:46 pm

MRY

STL

14h 46m2 stops

2:50 pm - 2:37 pm

STL

MRY

25h 47m3 stops

$410Alaska Airlines

Fri, Jan 30 - Mon, Feb 2

United Airlines flights from Monterey to St. Louis

Our best United Airlines deals on Monterey to St. Louis flight tickets

United Airlines

Jan 18

MRY5:00 amMonterey Regional

6h 16m

1 stop

STL1:16 pmLambert-St Louis

Jan 21

STL5:00 pmLambert-St Louis

6h 59m

1 stop

MRY9:59 pmMonterey Regional

$407

Find similar

United Airlines

Jan 18

MRY5:00 amMonterey Regional

6h 16m

1 stop

STL1:16 pmLambert-St Louis

Jan 21

STL8:05 amLambert-St Louis

11h 46m

2 stops

MRY5:51 pmMonterey Regional

$412

Find similar

United Airlines

Jan 18

MRY6:30 amMonterey Regional

8h 25m

2 stops

STL4:55 pmLambert-St Louis

Jan 21

STL8:05 amLambert-St Louis

11h 46m

2 stops

MRY5:51 pmMonterey Regional

$438

Find similar

Alaska Airlines flights from Monterey to St. Louis

Our best Alaska Airlines deals on Monterey to St. Louis flight tickets

Alaska Airlines

Jan 30

MRY6:00 amMonterey Regional

14h 46m

2 stops

STL10:46 pmLambert-St Louis

Feb 2

STL2:50 pmLambert-St Louis

10h 36m

2 stops

MRY11:26 pmMonterey Regional

$377

Find similar

Alaska Airlines

Jan 21

MRY6:00 amMonterey Regional

29h 54m

2 stops

STL1:54 pmLambert-St Louis

Jan 24

STL6:19 pmLambert-St Louis

25h 11m

1 stop

MRY5:30 pmMonterey Regional

$383

Find similar

Alaska Airlines

Jan 30

MRY6:00 amMonterey Regional

14h 46m

3 stops

STL10:46 pmLambert-St Louis

Feb 2

STL2:50 pmLambert-St Louis

25h 47m

2 stops

MRY2:37 pmMonterey Regional

$385

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Fri 1/30

6:09 am-1:53 pm

1 stop5h 44m

Lambert-St Louis

Mon 2/2

7:27 am-12:22 pm

1 stop6h 55m

$367

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Fri 1/30

6:09 am-4:14 pm

2 stops8h 05m

Lambert-St Louis

Mon 2/2

2:38 pm-7:05 pm

1 stop6h 27m

$372

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Fri 1/30

6:00 am-10:46 pm

2 stops14h 46m

Lambert-St Louis

Mon 2/2

2:50 pm-11:26 pm

2 stops10h 36m

$377

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Wed 1/21

6:00 am-1:54 pm

2 stops29h 54m

Lambert-St Louis

Sat 1/24

6:19 pm-5:30 pm

1 stop25h 11m

$383

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Fri 1/30

6:00 am-10:46 pm

3 stops14h 46m

Lambert-St Louis

Mon 2/2

2:50 pm-2:37 pm

2 stops25h 47m

$385

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Fri 1/30

6:00 am-10:46 pm

3 stops14h 46m

Lambert-St Louis

Mon 2/2

2:50 pm-2:37 pm

3 stops25h 47m

$393

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Wed 1/21

3:14 pm-1:54 pm

2 stops20h 40m

Lambert-St Louis

Sat 1/24

6:19 pm-11:26 pm

2 stops31h 07m

$403

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Sun 1/18

5:00 am-1:16 pm

1 stop6h 16m

Lambert-St Louis

Wed 1/21

5:00 pm-9:59 pm

1 stop6h 59m

$407

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Wed 1/21

6:00 am-1:54 pm

2 stops29h 54m

Lambert-St Louis

Sat 1/24

6:19 pm-5:30 pm

1 stop25h 11m

$408

MontereySt. Louis

MRY - STL

MRYSTL

Monterey Regional

Fri 1/30

6:00 am-10:46 pm

2 stops14h 46m

Lambert-St Louis

Mon 2/2

2:50 pm-2:37 pm

3 stops25h 47m

$410

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Airlines

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 $316. 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 Tuesday when prices can be found for as low as $419. 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 $501. 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 $407 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 $493 per ticket.

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

You could potentially save up to 7% 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	6h 08m
Direct flights	None

The fastest flight from Monterey to St. Louis takes 6h 08m

There are no direct flights from Monterey to St. Louis. There are no popular flight routes from Monterey to St. Louis.

Search flight deals

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 6h 08m.
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?
As of December 2025, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Monterey and St. Louis, the leading airline is American Airlines, making up 56% of the total bookings. Other popular airlines include United Airlines with 44%.

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 Airlines	PriceFrom $316	Free Cancellation	Rating 7.2 11,054 reviews		Search American Airlines flights
United Airlines	PriceFrom $382	Free Cancellation	Rating 7.4 9,111 reviews		Search United Airlines flights

St. Charles

Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

St. Peters

Wentzville

Collinsville

Alton

Farmington

Clayton

Festus

Glencoe

Eureka

Edwardsville

Litchfield

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.