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Cheap flights from St. Louis to San Francisco from $256

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 4/24. 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

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Find the cheapest flights from St. Louis to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:48 pm - 9:10 pm
STL
-
MRY
6h 22m
1 stop
United Airlines Logo
8:00 am - 6:17 pm
MRY
-
STL
8h 17m
1 stop
$349United Airlines
Wed, Jun 3 - Sat, Jun 6
United Airlines Logo
5:10 am - 11:10 am
STL
-
MRY
8h 00m
2 stops
United Airlines Logo
8:00 am - 6:17 pm
MRY
-
STL
8h 17m
1 stop
$354United Airlines
Wed, Jun 3 - Sat, Jun 6
Alaska Airlines Logo
7:00 am - 11:48 pm
STL
-
MRY
18h 48m
2 stops
Alaska Airlines Logo
6:02 am - 11:59 pm
MRY
-
STL
15h 57m
2 stops
$428Alaska Airlines
Mon, Apr 20 - Sat, May 2
United Airlines Logo
7:23 pm - 11:47 pm
STL
-
MRY
6h 24m
1 stop
United Airlines Logo
5:00 am - 12:42 pm
MRY
-
STL
5h 42m
1 stop
$434United Airlines
Wed, Aug 5 - Sun, Aug 9
United Airlines Logo
1:13 pm - 8:36 pm
STL
-
MRY
9h 23m
2 stops
United Airlines Logo
5:00 am - 12:42 pm
MRY
-
STL
5h 42m
1 stop
$439United Airlines
Wed, Aug 5 - Sun, Aug 9
United Airlines Logo
9:10 am - 5:58 pm
STL
-
MRY
10h 48m
2 stops
United Airlines Logo
7:00 pm - 5:50 am
MRY
-
STL
8h 50m
1 stop
$440United Airlines
Wed, Apr 22 - Mon, Apr 27
United Airlines Logo
9:10 am - 5:58 pm
STL
-
MRY
10h 48m
2 stops
United Airlines Logo
7:00 pm - 8:25 am
MRY
-
STL
11h 25m
2 stops
$451United Airlines
Wed, Apr 22 - Mon, Apr 27
Alaska Airlines Logo
7:00 am - 4:13 pm
STL
-
MRY
11h 13m
1 stop
Alaska Airlines Logo
6:02 am - 11:59 pm
MRY
-
STL
15h 57m
2 stops
$468Alaska Airlines
Mon, Apr 20 - Sat, May 2
United Airlines Logo
11:25 am - 8:36 pm
STL
-
MRY
11h 11m
2 stops
United Airlines Logo
7:05 am - 8:57 pm
MRY
-
STL
11h 52m
2 stops
$474United Airlines
Wed, Jun 3 - Sat, Jun 6
American Airlines Logo
2:37 pm - 6:52 pm
STL
-
MRY
6h 15m
1 stop
American Airlines Logo
6:01 am - 1:51 pm
MRY
-
STL
5h 50m
1 stop
$493American Airlines
Fri, May 1 - Sat, May 2

American Airlines flights from St. Louis to Monterey

Our best American Airlines deals on St. Louis to Monterey flight tickets
American Airlines
May 1
STL2:37 pmLambert-St Louis
6h 15m
1 stop
MRY6:52 pmMonterey Regional
May 2
MRY6:01 amMonterey Regional
5h 50m
1 stop
STL1:51 pmLambert-St Louis
$493
American Airlines
May 12
STL7:12 amLambert-St Louis
6h 46m
1 stop
MRY11:58 amMonterey Regional
May 17
MRY7:22 pmMonterey Regional
11h 32m
2 stops
STL8:54 amLambert-St Louis
$498
American Airlines
May 12
STL7:05 amLambert-St Louis
13h 47m
2 stops
MRY6:52 pmMonterey Regional
May 17
MRY7:22 pmMonterey Regional
11h 32m
2 stops
STL8:54 amLambert-St Louis
$503

Alaska Airlines flights from St. Louis to Monterey

Our best Alaska Airlines deals on St. Louis to Monterey flight tickets
Alaska Airlines
Apr 20
STL7:00 amLambert-St Louis
18h 48m
2 stops
MRY11:48 pmMonterey Regional
May 2
MRY6:02 amMonterey Regional
15h 57m
2 stops
STL11:59 pmLambert-St Louis
$428
Alaska Airlines
Apr 20
STL7:00 amLambert-St Louis
11h 13m
1 stop
MRY4:13 pmMonterey Regional
May 2
MRY6:02 amMonterey Regional
15h 57m
2 stops
STL11:59 pmLambert-St Louis
$468
Alaska Airlines
Apr 20
STL7:00 amLambert-St Louis
11h 13m
1 stop
MRY4:13 pmMonterey Regional
May 2
MRY4:44 pmMonterey Regional
21h 06m
1 stop
STL3:50 pmLambert-St Louis
$512

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 March 14, 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

Wed 6/3

4:48 pm-9:10 pm

1 stop6h 22m

Monterey Regional

Sat 6/6

8:00 am-6:17 pm

1 stop8h 17m

$349

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 6/3

5:10 am-11:10 am

2 stops8h 00m

Monterey Regional

Sat 6/6

8:00 am-6:17 pm

1 stop8h 17m

$354

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Mon 4/20

7:00 am-11:48 pm

2 stops18h 48m

Monterey Regional

Sat 5/2

6:02 am-11:59 pm

2 stops15h 57m

$428

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 8/5

7:23 pm-11:47 pm

1 stop6h 24m

Monterey Regional

Sun 8/9

5:00 am-12:42 pm

1 stop5h 42m

$434

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 8/5

1:13 pm-8:36 pm

2 stops9h 23m

Monterey Regional

Sun 8/9

5:00 am-12:42 pm

1 stop5h 42m

$439

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 4/22

9:10 am-5:58 pm

2 stops10h 48m

Monterey Regional

Mon 4/27

7:00 pm-5:50 am

1 stop8h 50m

$440

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 4/22

9:10 am-5:58 pm

2 stops10h 48m

Monterey Regional

Mon 4/27

7:00 pm-8:25 am

2 stops11h 25m

$451

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Mon 4/20

7:00 am-4:13 pm

1 stop11h 13m

Monterey Regional

Sat 5/2

6:02 am-11:59 pm

2 stops15h 57m

$468

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 6/3

11:25 am-8:36 pm

2 stops11h 11m

Monterey Regional

Sat 6/6

7:05 am-8:57 pm

2 stops11h 52m

$474
Quickest round-trip

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 5/1

2:37 pm-6:52 pm

1 stop6h 15m

Monterey Regional

Sat 5/2

6:01 am-1:51 pm

1 stop5h 50m

$493

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 December is, on average, the cheapest month to fly to Monterey from St. Louis, with most prices found around $294. If you’re not able to fly to Monterey in December, then October is your next best option. Flight prices from St. Louis to Monterey during October average around $342.

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

You could potentially save up to 36% 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

5h 46m

Direct flights

None
The fastest flight from St. Louis to Monterey takes 5h 46m
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. 5h 46m 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
9,423 reviews
Search United Airlines flights
American AirlinesPriceFrom $318Free CancellationRating
7.1
11,464 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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