Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to San Francisco from $204

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 9/21. 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

American Airlines Logo
5:18 am - 11:39 amSTL-MRY
8h 21m1 stop
American Airlines Logo
12:30 pm - 10:50 pmMRY-STL
8h 20m1 stop
$319American Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
American Airlines Logo
5:18 am - 11:39 amSTL-MRY
8h 21m1 stop
American Airlines Logo
6:09 am - 8:32 pmMRY-STL
12h 23m2 stops
$324American Airlines
Find Deal
Sat, Sep 27 - Tue, Sep 30
American Airlines Logo
5:18 am - 12:16 pmSTL-MRY
8h 58m2 stops
American Airlines Logo
6:09 am - 6:22 pmMRY-STL
10h 13m2 stops
$329American Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
American Airlines Logo
7:16 am - 11:39 amSTL-MRY
6h 23m1 stop
American Airlines Logo
12:30 pm - 10:50 pmMRY-STL
8h 20m1 stop
$333American Airlines
Find Deal
Fri, Sep 12 - Tue, Sep 16
Alaska Airlines Logo
6:00 am - 7:14 pmSTL-MRY
15h 14m1 stop
Alaska Airlines Logo
7:56 pm - 2:39 pmMRY-STL
16h 43m1 stop
$343Alaska Airlines
Find Deal
Sat, Sep 27 - Tue, Sep 30
Alaska Airlines Logo
6:00 am - 6:12 pmSTL-MRY
14h 12m2 stops
Alaska Airlines Logo
6:00 am - 2:39 pmMRY-STL
30h 39m2 stops
$354Alaska Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30
Alaska Airlines Logo
6:30 pm - 7:14 pmSTL-MRY
26h 44m1 stop
Alaska Airlines Logo
7:56 pm - 2:39 pmMRY-STL
16h 43m1 stop
$362Alaska Airlines
Find Deal
Fri, Sep 26 - Wed, Oct 1
United Airlines Logo
1:39 pm - 9:48 pmSTL-MRY
10h 09m2 stops
United Airlines Logo
5:15 am - 12:43 pmMRY-STL
5h 28m1 stop
$393United Airlines
Find Deal
Wed, Aug 27 - Sun, Aug 31
United Airlines Logo
11:10 am - 9:38 pmSTL-MRY
12h 28m2 stops
United Airlines Logo
6:15 am - 10:00 pmMRY-STL
13h 45m3 stops
$514United Airlines
Find Deal
Sat, Sep 27 - Wed, Oct 1
United Airlines Logo
9:00 am - 9:38 pmSTL-MRY
14h 38m2 stops
United Airlines Logo
6:15 am - 10:00 pmMRY-STL
13h 45m3 stops
$516United Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30

United Airlines flights from St. Louis to Monterey

Our best United Airlines deals on St. Louis to Monterey flight tickets
United Airlines
Aug 27
STL1:39 pmLambert-St Louis
10h 09m
2 stops
MRY9:48 pmMonterey Regional
Aug 31
MRY5:15 amMonterey Regional
5h 28m
1 stop
STL12:43 pmLambert-St Louis
$393
Find similar
United Airlines
Sep 27
STL11:10 amLambert-St Louis
12h 28m
2 stops
MRY9:38 pmMonterey Regional
Oct 1
MRY6:15 amMonterey Regional
13h 45m
3 stops
STL10:00 pmLambert-St Louis
$514
Find similar
United Airlines
Sep 24
STL9:00 amLambert-St Louis
14h 38m
2 stops
MRY9:38 pmMonterey Regional
Sep 30
MRY6:15 amMonterey Regional
13h 45m
3 stops
STL10:00 pmLambert-St Louis
$516
Find similar

American Airlines flights from St. Louis to Monterey

Our best American Airlines deals on St. Louis to Monterey flight tickets
American Airlines
Sep 27
STL5:18 amLambert-St Louis
8h 21m
1 stop
MRY11:39 amMonterey Regional
Oct 1
MRY12:30 pmMonterey Regional
8h 20m
1 stop
STL10:50 pmLambert-St Louis
$319
Find similar
American Airlines
Sep 27
STL5:18 amLambert-St Louis
8h 21m
1 stop
MRY11:39 amMonterey Regional
Sep 30
MRY6:09 amMonterey Regional
12h 23m
2 stops
STL8:32 pmLambert-St Louis
$324
Find similar
American Airlines
Sep 27
STL5:18 amLambert-St Louis
8h 58m
2 stops
MRY12:16 pmMonterey Regional
Oct 1
MRY6:09 amMonterey Regional
10h 13m
2 stops
STL6:22 pmLambert-St Louis
$329
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 August 14, 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

Sat 9/27

5:18 am-11:39 am

1 stop8h 21m

Monterey Regional

Wed 10/1

12:30 pm-10:50 pm

1 stop8h 20m

$319

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 9/27

5:18 am-11:39 am

1 stop8h 21m

Monterey Regional

Tue 9/30

6:09 am-8:32 pm

2 stops12h 23m

$324

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 9/27

5:18 am-12:16 pm

2 stops8h 58m

Monterey Regional

Wed 10/1

6:09 am-6:22 pm

2 stops10h 13m

$329

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 9/12

7:16 am-11:39 am

1 stop6h 23m

Monterey Regional

Tue 9/16

12:30 pm-10:50 pm

1 stop8h 20m

$333

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 9/27

6:00 am-7:14 pm

1 stop15h 14m

Monterey Regional

Tue 9/30

7:56 pm-2:39 pm

1 stop16h 43m

$343

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 9/24

6:00 am-6:12 pm

2 stops14h 12m

Monterey Regional

Tue 9/30

6:00 am-2:39 pm

2 stops30h 39m

$354

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 9/26

6:30 pm-7:14 pm

1 stop26h 44m

Monterey Regional

Wed 10/1

7:56 pm-2:39 pm

1 stop16h 43m

$362

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 8/27

1:39 pm-9:48 pm

2 stops10h 09m

Monterey Regional

Sun 8/31

5:15 am-12:43 pm

1 stop5h 28m

$393

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 9/27

11:10 am-9:38 pm

2 stops12h 28m

Monterey Regional

Wed 10/1

6:15 am-10:00 pm

3 stops13h 45m

$514

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 9/24

9:00 am-9:38 pm

2 stops14h 38m

Monterey Regional

Tue 9/30

6:15 am-10:00 pm

3 stops13h 45m

$516

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 $306. 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 7% 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

Best Price Found

$204

Fastest flight time

6h 08m

Direct flights

None

Airports in Monterey

1 airport
The best one-way flight to Monterey from St. Louis in the past 72 hours is $204. The best round-trip flight deal from St. Louis to Monterey found on momondo in the last 72 hours is $319.
The fastest flight from St. Louis to Monterey takes 6h 08m
There are no direct flights from St. Louis to Monterey. Popular non-direct route for this connection is Lambert-St Louis Airport - Monterey Regional Airport.
There is 1 airport near Monterey: Monterey Regional (MRY)
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 14m 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
American AirlinesPriceFrom $297Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $318Free CancellationRating
7.4
8,916 reviews
Search United 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
Tue 8/19
Tue 8/26
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States