Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to San Francisco from $136

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to San Francisco departing on 12/18. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:38 pm - 7:05 pm
STL
-
MRY
6h 27m1 stop
American Airlines Logo
6:09 am - 9:15 pm
MRY
-
STL
13h 06m2 stops
$358American Airlines
Tue, Feb 3 - Tue, Feb 10
American Airlines Logo
8:13 am - 7:05 pm
STL
-
MRY
12h 52m2 stops
American Airlines Logo
6:09 am - 9:15 pm
MRY
-
STL
13h 06m2 stops
$363American Airlines
Tue, Feb 3 - Tue, Feb 10
United Airlines Logo
4:15 pm - 9:20 pm
STL
-
MRY
7h 05m1 stop
United Airlines Logo
6:40 am - 3:37 pm
MRY
-
STL
6h 57m1 stop
$367United Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
1:03 pm - 8:55 pm
STL
-
MRY
33h 52m2 stops
Multiple Airlines Logo
4:19 pm - 4:49 pm
MRY
-
STL
22h 30m1 stop
$381Multiple Airlines
Sun, Feb 8 - Sun, Feb 15
Alaska Airlines Logo
2:50 pm - 11:26 pm
STL
-
MRY
10h 36m2 stops
Alaska Airlines Logo
6:00 am - 1:54 pm
MRY
-
STL
29h 54m3 stops
$388Alaska Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
1:40 pm - 8:55 pm
STL
-
MRY
9h 15m2 stops
Multiple Airlines Logo
4:19 pm - 4:49 pm
MRY
-
STL
22h 30m1 stop
$398Multiple Airlines
Mon, Feb 9 - Sun, Feb 15
Alaska Airlines Logo
2:50 pm - 11:26 pm
STL
-
MRY
10h 36m2 stops
Alaska Airlines Logo
3:14 pm - 1:54 pm
MRY
-
STL
20h 40m2 stops
$401Alaska Airlines
Tue, Jan 27 - Sat, Jan 31
United Airlines Logo
7:41 am - 6:01 pm
STL
-
MRY
12h 20m2 stops
United Airlines Logo
7:00 am - 8:55 pm
MRY
-
STL
11h 55m2 stops
$405United Airlines
Thu, Mar 12 - Mon, Mar 16
Alaska Airlines Logo
2:50 pm - 11:26 pm
STL
-
MRY
10h 36m2 stops
Alaska Airlines Logo
2:43 pm - 1:51 pm
MRY
-
STL
21h 08m2 stops
$444Alaska Airlines
Sun, Feb 8 - Sun, Feb 15
Alaska Airlines Logo
2:47 pm - 6:36 pm
STL
-
MRY
29h 49m1 stop
Alaska Airlines Logo
6:00 am - 11:59 pm
MRY
-
STL
15h 59m2 stops
$449Alaska Airlines
Thu, Mar 12 - Mon, Mar 16

American Airlines flights from St. Louis to Monterey

Our best American Airlines deals on St. Louis to Monterey flight tickets
American Airlines
Feb 3
STL2:38 pmLambert-St Louis
6h 27m
1 stop
MRY7:05 pmMonterey Regional
Feb 10
MRY6:09 amMonterey Regional
13h 06m
2 stops
STL9:15 pmLambert-St Louis
$358
Find similar
American Airlines
Feb 3
STL8:13 amLambert-St Louis
12h 52m
2 stops
MRY7:05 pmMonterey Regional
Feb 10
MRY6:09 amMonterey Regional
13h 06m
2 stops
STL9:15 pmLambert-St Louis
$363
Find similar
American Airlines
Dec 21
STL8:00 amLambert-St Louis
6h 24m
1 stop
MRY12:24 pmMonterey Regional
Dec 27
MRY7:18 pmMonterey Regional
11h 17m
2 stops
STL8:35 amLambert-St Louis
$452
Find similar

United Airlines flights from St. Louis to Monterey

Our best United Airlines deals on St. Louis to Monterey flight tickets
United Airlines
Feb 3
STL4:15 pmLambert-St Louis
7h 05m
1 stop
MRY9:20 pmMonterey Regional
Feb 10
MRY6:40 amMonterey Regional
6h 57m
1 stop
STL3:37 pmLambert-St Louis
$367
Find similar
United Airlines
Mar 12
STL7:41 amLambert-St Louis
12h 20m
2 stops
MRY6:01 pmMonterey Regional
Mar 16
MRY7:00 amMonterey Regional
11h 55m
2 stops
STL8:55 pmLambert-St Louis
$405
Find similar
United Airlines
Jan 27
STL5:00 pmLambert-St Louis
6h 59m
1 stop
MRY9:59 pmMonterey Regional
Jan 31
MRY12:35 pmMonterey Regional
6h 23m
1 stop
STL8:58 pmLambert-St Louis
$457
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Monterey 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 December 4, 2025.
Use the filters below to find and compare flights from St. Louis to Monterey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Tue 2/3

2:38 pm-7:05 pm

1 stop6h 27m

Monterey Regional

Tue 2/10

6:09 am-9:15 pm

2 stops13h 06m

$358

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Tue 2/3

8:13 am-7:05 pm

2 stops12h 52m

Monterey Regional

Tue 2/10

6:09 am-9:15 pm

2 stops13h 06m

$363

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Tue 2/3

4:15 pm-9:20 pm

1 stop7h 05m

Monterey Regional

Tue 2/10

6:40 am-3:37 pm

1 stop6h 57m

$367

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sun 2/8

1:03 pm-8:55 pm

2 stops33h 52m

Monterey Regional

Sun 2/15

4:19 pm-4:49 pm

1 stop22h 30m

$381

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Tue 2/3

2:50 pm-11:26 pm

2 stops10h 36m

Monterey Regional

Tue 2/10

6:00 am-1:54 pm

3 stops29h 54m

$388

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Mon 2/9

1:40 pm-8:55 pm

2 stops9h 15m

Monterey Regional

Sun 2/15

4:19 pm-4:49 pm

1 stop22h 30m

$398

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Tue 1/27

2:50 pm-11:26 pm

2 stops10h 36m

Monterey Regional

Sat 1/31

3:14 pm-1:54 pm

2 stops20h 40m

$401

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Thu 3/12

7:41 am-6:01 pm

2 stops12h 20m

Monterey Regional

Mon 3/16

7:00 am-8:55 pm

2 stops11h 55m

$405

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sun 2/8

2:50 pm-11:26 pm

2 stops10h 36m

Monterey Regional

Sun 2/15

2:43 pm-1:51 pm

2 stops21h 08m

$444

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Thu 3/12

2:47 pm-6:36 pm

1 stop29h 49m

Monterey Regional

Mon 3/16

6:00 am-11:59 pm

2 stops15h 59m

$449

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Francisco from

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

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 Monterey?

The month of October is, on average, the cheapest month to fly to Monterey from St. Louis, with most prices found around $342. If you’re not able to fly to Monterey in October, then February is your next best option. Flight prices from St. Louis to Monterey during February average around $346.

What is the cheapest day to depart on your flight to Monterey?

The cheapest day to depart from St. Louis to Monterey is on a Tuesday. Travelers who choose to depart for Monterey on a Tuesday will often find tickets for as low as $336. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Monterey for around $552.

What is the cheapest time of day to depart on your flight to Monterey?

According to our data, the cheapest time of day to fly to Monterey is at noon. momondo users have found flights departing from St. Louis to Monterey at noon for as low as $396. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $463.

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

You could potentially save up to 49% on your flight if you consider stops on a St. Louis to Monterey flight.

When to book flights from St. Louis to Monterey

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

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

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

Fastest flight time

6h 35m

Direct flights

None
The fastest flight from St. Louis to Monterey takes 6h 35m
There are no direct flights from St. Louis to Monterey. There are no popular flight routes from St. Louis to Monterey.
Search flight deals

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

    There are 1730.7 mi between Lambert-St Louis and Monterey Regional. 6h 04m is a normal flight duration for this route.

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

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

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

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

  • What documentation or ID do you need to fly to Monterey Regional Airport?

    The travel and health documents you'll need for your trip to Monterey Regional Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Monterey Regional Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from St. Louis to Monterey

Compare and see reviews for airlines that fly from St. Louis to Monterey with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $318Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
American AirlinesPriceFrom $318Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Why use momondo?

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

Finding the right flight to Monterey from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Monterey quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Monterey from St. Louis with this policy.

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

momondo helps you find the best flight between St. Louis and Monterey by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Monterey, momondo offers a useful price alert feature which will track prices for flights to Monterey from St. Louis and alert you when they change.

An easier way to manage your Monterey trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/3
Sat 1/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States