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Cheap flights from St. Louis to San Francisco from $251

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 8/12. 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
5:40 am - 11:49 am
STL
-
MRY
8h 09m
1 stop
American Airlines Logo
12:33 pm - 11:41 pm
MRY
-
STL
9h 08m
1 stop
$331American Airlines
Sat, Oct 24 - Wed, Oct 28
American Airlines Logo
8:30 am - 3:24 pm
STL
-
MRY
8h 54m
2 stops
American Airlines Logo
12:33 pm - 11:41 pm
MRY
-
STL
9h 08m
1 stop
$336American Airlines
Sat, Oct 24 - Wed, Oct 28
Multiple Airlines Logo
7:10 pm - 9:10 pm
STL
-
MRY
28h 00m
1 stop
Multiple Airlines Logo
2:24 pm - 6:15 pm
MRY
-
STL
25h 51m
1 stop
$338Multiple Airlines
Thu, Jul 16 - Wed, Jul 22
American Airlines Logo
8:38 am - 6:28 pm
STL
-
MRY
11h 50m
2 stops
American Airlines Logo
12:42 pm - 9:52 pm
MRY
-
STL
7h 10m
1 stop
$345American Airlines
Thu, Jul 16 - Wed, Jul 22
American Airlines Logo
8:38 am - 6:28 pm
STL
-
MRY
11h 50m
2 stops
American Airlines Logo
7:09 pm - 8:46 am
MRY
-
STL
11h 37m
2 stops
$350American Airlines
Thu, Jul 16 - Wed, Jul 22
American Airlines Logo
2:38 pm - 6:28 pm
STL
-
MRY
5h 50m
1 stop
American Airlines Logo
12:42 pm - 11:58 pm
MRY
-
STL
9h 16m
1 stop
$375American Airlines
Fri, Jul 3 - Mon, Jul 6
American Airlines Logo
9:42 am - 6:28 pm
STL
-
MRY
10h 46m
2 stops
American Airlines Logo
12:42 pm - 11:58 pm
MRY
-
STL
9h 16m
1 stop
$380American Airlines
Fri, Jul 3 - Mon, Jul 6
American Airlines Logo
9:42 am - 6:28 pm
STL
-
MRY
10h 46m
2 stops
American Airlines Logo
7:09 pm - 8:46 am
MRY
-
STL
11h 37m
2 stops
$386American Airlines
Fri, Jul 3 - Mon, Jul 6
American Airlines Logo
6:36 am - 11:42 am
STL
-
MRY
7h 06m
1 stop
American Airlines Logo
12:32 pm - 11:42 pm
MRY
-
STL
9h 10m
1 stop
$392American Airlines
Mon, Aug 10 - Sat, Aug 15
American Airlines Logo
10:16 am - 6:38 pm
STL
-
MRY
10h 22m
2 stops
American Airlines Logo
7:01 pm - 8:24 am
MRY
-
STL
11h 23m
2 stops
$402American Airlines
Wed, Aug 5 - Sun, Aug 9

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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
Oct 24
STL5:40 amLambert-St Louis
8h 09m
1 stop
MRY11:49 amMonterey Regional
Oct 28
MRY12:33 pmMonterey Regional
9h 08m
1 stop
STL11:41 pmLambert-St Louis
$331
American Airlines
Oct 24
STL8:30 amLambert-St Louis
8h 54m
2 stops
MRY3:24 pmMonterey Regional
Oct 28
MRY12:33 pmMonterey Regional
9h 08m
1 stop
STL11:41 pmLambert-St Louis
$336
American Airlines
Jul 16
STL8:38 amLambert-St Louis
11h 50m
2 stops
MRY6:28 pmMonterey Regional
Jul 22
MRY12:42 pmMonterey Regional
7h 10m
1 stop
STL9:52 pmLambert-St Louis
$345

United Airlines flights from St. Louis to Monterey

Our best United Airlines deals on St. Louis to Monterey flight tickets
United Airlines
Aug 22
STL4:40 pmLambert-St Louis
6h 30m
1 stop
MRY9:10 pmMonterey Regional
Aug 25
MRY10:21 amMonterey Regional
8h 25m
2 stops
STL8:46 pmLambert-St Louis
$436
United Airlines
Aug 22
STL8:00 amLambert-St Louis
11h 53m
2 stops
MRY5:53 pmMonterey Regional
Aug 25
MRY8:00 amMonterey Regional
10h 46m
2 stops
STL8:46 pmLambert-St Louis
$441
United Airlines
Aug 10
STL1:38 pmLambert-St Louis
8h 58m
2 stops
MRY8:36 pmMonterey Regional
Aug 15
MRY2:06 pmMonterey Regional
6h 53m
1 stop
STL10:59 pmLambert-St Louis
$445

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 June 21, 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 - MRY

STLMRY

Lambert-St Louis

Sat 10/24

5:40 am-11:49 am

1 stop8h 09m

Monterey Regional

Wed 10/28

12:33 pm-11:41 pm

1 stop9h 08m

$331

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 10/24

8:30 am-3:24 pm

2 stops8h 54m

Monterey Regional

Wed 10/28

12:33 pm-11:41 pm

1 stop9h 08m

$336

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Thu 7/16

7:10 pm-9:10 pm

1 stop28h 00m

Monterey Regional

Wed 7/22

2:24 pm-6:15 pm

1 stop25h 51m

$338

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Thu 7/16

8:38 am-6:28 pm

2 stops11h 50m

Monterey Regional

Wed 7/22

12:42 pm-9:52 pm

1 stop7h 10m

$345

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Thu 7/16

8:38 am-6:28 pm

2 stops11h 50m

Monterey Regional

Wed 7/22

7:09 pm-8:46 am

2 stops11h 37m

$350
Quickest round-trip

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 7/3

2:38 pm-6:28 pm

1 stop5h 50m

Monterey Regional

Mon 7/6

12:42 pm-11:58 pm

1 stop9h 16m

$375

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 7/3

9:42 am-6:28 pm

2 stops10h 46m

Monterey Regional

Mon 7/6

12:42 pm-11:58 pm

1 stop9h 16m

$380

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 7/3

9:42 am-6:28 pm

2 stops10h 46m

Monterey Regional

Mon 7/6

7:09 pm-8:46 am

2 stops11h 37m

$386

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Mon 8/10

6:36 am-11:42 am

1 stop7h 06m

Monterey Regional

Sat 8/15

12:32 pm-11:42 pm

1 stop9h 10m

$392

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 8/5

10:16 am-6:38 pm

2 stops10h 22m

Monterey Regional

Sun 8/9

7:01 pm-8:24 am

2 stops11h 23m

$402

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

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 December is your next best option. Flight prices from St. Louis to Monterey during December average around $294.

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

You could potentially save up to 34% 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 04m

Direct flights

None
The fastest flight from St. Louis to Monterey takes 6h 04m
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 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 $294Free CancellationRating
7.4
9,868 reviews
Search United Airlines flights
American AirlinesPriceFrom $318Free CancellationRating
7.1
11,722 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.
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