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Cheap flights from St. Louis to San Francisco from $206

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 12/14. 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 St. Louis to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:00 am - 11:47 amSTL  Lambert-St Louis-MRY Monterey Regional
6h 47m1 stop Dallas/Fort Worth
American Airlines Logo
12:37 pm - 11:43 pmMRY  Monterey Regional-STL Lambert-St Louis
9h 06m1 stop Dallas/Fort Worth
$341American Airlines
Tue, Sep 15 - Tue, Sep 22
American Airlines Logo
5:43 am - 11:47 amSTL  Lambert-St Louis-MRY Monterey Regional
8h 04m1 stop Dallas/Fort Worth
American Airlines Logo
12:50 pm - 12:27 amMRY  Monterey Regional-STL Lambert-St Louis
9h 37m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
$346American Airlines
Tue, Sep 15 - Tue, Sep 22
American Airlines Logo
7:00 am - 11:47 amSTL  Lambert-St Louis-MRY Monterey Regional
6h 47m1 stop Dallas/Fort Worth
American Airlines Logo
12:50 pm - 12:27 amMRY  Monterey Regional-STL Lambert-St Louis
9h 37m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
$346American Airlines
Sat, Sep 12 - Sat, Sep 19
United Airlines Logo
4:45 pm - 9:10 pmSTL  Lambert-St Louis-MRY Monterey Regional
6h 25m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:40 pmMRY  Monterey Regional-STL Lambert-St Louis
5h 40m1 stop Denver Intl
$350United Airlines
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
6:00 am - 12:41 pmSTL  Lambert-St Louis-MRY Monterey Regional
8h 41m1 stop Dallas/Fort Worth
American Airlines Logo
4:22 pm - 11:59 pmMRY  Monterey Regional-STL Lambert-St Louis
5h 37m1 stop Phoenix Sky Harbor Intl
$350American Airlines
Wed, Jan 20 - Sun, Jan 24
Alaska Airlines Logo
6:29 am - 11:59 pmSTL  Lambert-St Louis-MRY Monterey Regional
19h 30m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
6:01 am - 5:10 pmMRY  Monterey Regional-STL Lambert-St Louis
33h 09m2 stops San Diego Portland
$381Alaska Airlines
Wed, Sep 23 - Mon, Sep 28
Alaska Airlines Logo
3:19 pm - 11:59 pmSTL  Lambert-St Louis-MRY Monterey Regional
10h 40m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
6:03 am - 11:59 pmMRY  Monterey Regional-STL Lambert-St Louis
15h 56m2 stops San Diego Seattle/Tacoma Intl
$390Alaska Airlines
Fri, Oct 2 - Mon, Oct 5
Alaska Airlines Logo
6:29 am - 11:59 pmSTL  Lambert-St Louis-MRY Monterey Regional
19h 30m2 stops Seattle/Tacoma Intl San Diego
Alaska Airlines Logo
6:01 am - 5:10 pmMRY  Monterey Regional-STL Lambert-St Louis
33h 09m2 stops San Diego Portland
$412Alaska Airlines
Wed, Sep 23 - Mon, Sep 28
United Airlines Logo
4:39 pm - 9:05 pmSTL  Lambert-St Louis-MRY Monterey Regional
6h 26m1 stop Denver Intl
United Airlines Logo
10:30 am - 9:21 pmMRY  Monterey Regional-STL Lambert-St Louis
8h 51m2 stops Los Angeles Chicago O'Hare Intl
$428United Airlines
Thu, Oct 15 - Thu, Oct 22
United Airlines Logo
4:40 pm - 9:10 pmSTL  Lambert-St Louis-MRY Monterey Regional
6h 30m1 stop Denver Intl
United Airlines Logo
5:00 am - 12:40 pmMRY  Monterey Regional-STL Lambert-St Louis
5h 40m1 stop Denver Intl
$429United Airlines
Sat, Aug 29 - Mon, Aug 31

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American Airlines flights from St. Louis to Monterey

Our best American Airlines deals on St. Louis to Monterey flight tickets
American Airlines
Sep 15
STL7:00 amLambert-St Louis
6h 47m
1 stop
MRY11:47 amMonterey Regional
Sep 22
MRY12:37 pmMonterey Regional
9h 06m
1 stop
STL11:43 pmLambert-St Louis
$341
American Airlines
Sep 12
STL7:00 amLambert-St Louis
6h 47m
1 stop
MRY11:47 amMonterey Regional
Sep 19
MRY12:50 pmMonterey Regional
9h 37m
2 stops
STL12:27 amLambert-St Louis
$346
American Airlines
Sep 12
STL1:49 pmLambert-St Louis
10h 32m
2 stops
MRY10:21 pmMonterey Regional
Sep 19
MRY12:50 pmMonterey Regional
9h 37m
2 stops
STL12:27 amLambert-St Louis
$351

United Airlines flights from St. Louis to Monterey

Our best United Airlines deals on St. Louis to Monterey flight tickets
United Airlines
Sep 12
STL4:45 pmLambert-St Louis
6h 25m
1 stop
MRY9:10 pmMonterey Regional
Sep 19
MRY5:00 amMonterey Regional
5h 40m
1 stop
STL12:40 pmLambert-St Louis
$350
United Airlines
Oct 15
STL4:39 pmLambert-St Louis
6h 26m
1 stop
MRY9:05 pmMonterey Regional
Oct 22
MRY10:30 amMonterey Regional
8h 51m
2 stops
STL9:21 pmLambert-St Louis
$428
United Airlines
Aug 28
STL4:40 pmLambert-St Louis
6h 30m
1 stop
MRY9:10 pmMonterey Regional
Sep 1
MRY10:21 amMonterey Regional
8h 25m
2 stops
STL8:46 pmLambert-St Louis
$434

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 August 17, 2026.
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

Cheapest round-trip

St. LouisMonterey

STL Lambert-St Louis - MRY Monterey Regional

STLMRY

Lambert-St Louis

Tue 9/15

7:00 am-11:47 am

1 stop6h 47m

Monterey Regional

Tue 9/22

12:37 pm-11:43 pm

1 stop9h 06m

$341

St. LouisMonterey

STL Lambert-St Louis - MRY Monterey Regional

STLMRY

Lambert-St Louis

Tue 9/15

5:43 am-11:47 am

1 stop8h 04m

Monterey Regional

Tue 9/22

12:50 pm-12:27 am

2 stops9h 37m

$346

St. LouisMonterey

STL Lambert-St Louis - MRY Monterey Regional

STLMRY

Lambert-St Louis

Sat 9/12

7:00 am-11:47 am

1 stop6h 47m

Monterey Regional

Sat 9/19

12:50 pm-12:27 am

2 stops9h 37m

$346
Quickest round-trip

St. LouisMonterey

STL Lambert-St Louis - MRY Monterey Regional

STLMRY

Lambert-St Louis

Sat 9/12

4:45 pm-9:10 pm

1 stop6h 25m

Monterey Regional

Sat 9/19

5:00 am-12:40 pm

1 stop5h 40m

$350

St. LouisMonterey

STL Lambert-St Louis - MRY Monterey Regional

STLMRY

Lambert-St Louis

Wed 1/20

6:00 am-12:41 pm

1 stop8h 41m

Monterey Regional

Sun 1/24

4:22 pm-11:59 pm

1 stop5h 37m

$350

St. LouisMonterey

STL Lambert-St Louis - MRY Monterey Regional

STLMRY

Lambert-St Louis

Wed 9/23

6:29 am-11:59 pm

2 stops19h 30m

Monterey Regional

Mon 9/28

6:01 am-5:10 pm

2 stops33h 09m

$381

St. LouisMonterey

STL Lambert-St Louis - MRY Monterey Regional

STLMRY

Lambert-St Louis

Fri 10/2

3:19 pm-11:59 pm

2 stops10h 40m

Monterey Regional

Mon 10/5

6:03 am-11:59 pm

2 stops15h 56m

$390

St. LouisMonterey

STL Lambert-St Louis - MRY Monterey Regional

STLMRY

Lambert-St Louis

Wed 9/23

6:29 am-11:59 pm

2 stops19h 30m

Monterey Regional

Mon 9/28

6:01 am-5:10 pm

2 stops33h 09m

$412

St. LouisMonterey

STL Lambert-St Louis - MRY Monterey Regional

STLMRY

Lambert-St Louis

Thu 10/15

4:39 pm-9:05 pm

1 stop6h 26m

Monterey Regional

Thu 10/22

10:30 am-9:21 pm

2 stops8h 51m

$428

St. LouisMonterey

STL Lambert-St Louis - MRY Monterey Regional

STLMRY

Lambert-St Louis

Sat 8/29

4:40 pm-9:10 pm

1 stop6h 30m

Monterey Regional

Mon 8/31

5:00 am-12:40 pm

1 stop5h 40m

$429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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 April is, on average, the cheapest month to fly to Monterey from St. Louis, with most prices found around $0. If you’re not able to fly to Monterey in April, then September is your next best option. Flight prices from St. Louis to Monterey during September average around $294.

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 10m

Direct flights

None
The fastest flight from St. Louis to Monterey takes 6h 10m
There are no direct flights from St. Louis to Monterey. There are no popular flight routes from St. Louis to Monterey.
Search flight deals

Frequently asked questions about flying from St. Louis to Monterey

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

    There are 1730.7 mi between Lambert-St Louis and Monterey Regional. 6h 10m 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 $294Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights
American AirlinesPriceFrom $318Free CancellationRating
7.1
11,950 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

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