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Cheap flights from San Jose, California to St. Louis from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Jose, California to St. Louis departing on 9/17. 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 San Jose, California to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:38 pm - 11:32 am
SJC
-
STL
19h 54m
1 stop
Frontier Logo
12:17 pm - 12:43 pm
STL
-
SJC
26h 26m
1 stop
$252Frontier
Mon, Sep 14 - Wed, Sep 16
Frontier Logo
2:24 pm - 1:17 am
SJC
-
STL
8h 53m
1 stop
Frontier Logo
5:19 pm - 1:29 pm
STL
-
SJC
22h 10m
1 stop
$262Frontier
Fri, Oct 23 - Sun, Oct 25
Delta Logo
8:53 pm - 10:23 am
SJC
-
STL
11h 30m
2 stops
Delta Logo
2:25 pm - 10:45 pm
STL
-
SJC
10h 20m
2 stops
$323Delta
Wed, Sep 9 - Tue, Sep 15
Delta Logo
8:53 pm - 8:40 am
SJC
-
STL
9h 47m
2 stops
Delta Logo
2:25 pm - 10:45 pm
STL
-
SJC
10h 20m
2 stops
$323Delta
Mon, Sep 14 - Tue, Sep 15
Southwest Logo
8:00 am - 6:15 pm
SJC
-
STL
8h 15m
1 stop
Southwest Logo
11:50 am - 5:45 pm
STL
-
SJC
7h 55m
1 stop
$347Southwest
Tue, Aug 25 - Thu, Aug 27
Southwest Logo
5:10 pm - 12:35 am
SJC
-
STL
5h 25m
1 stop
Southwest Logo
11:25 am - 4:25 pm
STL
-
SJC
7h 00m
1 stop
$347Southwest
Thu, Aug 13 - Tue, Aug 18
American Airlines Logo
2:30 pm - 11:42 pm
SJC
-
STL
7h 12m
1 stop
American Airlines Logo
5:42 am - 10:50 am
STL
-
SJC
7h 08m
1 stop
$364American Airlines
Fri, Aug 28 - Tue, Sep 1
American Airlines Logo
2:30 pm - 11:42 pm
SJC
-
STL
7h 12m
1 stop
American Airlines Logo
6:36 am - 10:50 am
STL
-
SJC
6h 14m
1 stop
$374American Airlines
Fri, Sep 4 - Sun, Sep 6
United Airlines Logo
6:30 am - 3:38 pm
SJC
-
STL
7h 08m
1 stop
United Airlines Logo
5:30 pm - 10:50 pm
STL
-
SJC
7h 20m
1 stop
$447United Airlines
Thu, Sep 10 - Tue, Sep 15
United Airlines Logo
6:37 pm - 9:39 am
SJC
-
STL
13h 02m
2 stops
United Airlines Logo
1:36 pm - 5:31 pm
STL
-
SJC
5h 55m
1 stop
$479United Airlines
Thu, Aug 27 - Wed, Sep 2

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Frontier flights from San Jose, California to St. Louis

Our best Frontier deals on San Jose, California to St. Louis flight tickets
Frontier
Sep 14
SJC1:38 pmSan Jose
19h 54m
1 stop
STL11:32 amLambert-St Louis
Sep 16
STL12:17 pmLambert-St Louis
26h 26m
1 stop
SJC12:43 pmSan Jose
$252
Frontier
Sep 24
SJC10:47 pmSan Jose
10h 30m
1 stop
STL11:17 amLambert-St Louis
Sep 27
STL12:27 pmLambert-St Louis
11h 25m
1 stop
SJC9:52 pmSan Jose
$262
Frontier
Sep 24
SJC2:24 pmSan Jose
19h 27m
1 stop
STL11:51 amLambert-St Louis
Sep 27
STL12:46 pmLambert-St Louis
26h 43m
1 stop
SJC1:29 pmSan Jose
$268

Alaska Airlines flights from San Jose, California to St. Louis

Our best Alaska Airlines deals on San Jose, California to St. Louis flight tickets
Alaska Airlines
Sep 14
SJC8:17 pmSan Jose
18h 53m
2 stops
STL5:10 pmLambert-St Louis
Sep 16
STL6:29 amLambert-St Louis
14h 40m
2 stops
SJC7:09 pmSan Jose
$284
Alaska Airlines
Aug 28
SJC8:17 pmSan Jose
18h 53m
2 stops
STL5:10 pmLambert-St Louis
Sep 1
STL6:35 amLambert-St Louis
13h 29m
2 stops
SJC6:04 pmSan Jose
$294
Alaska Airlines
Aug 29
SJC7:02 amSan Jose
8h 08m
1 stop
STL5:10 pmLambert-St Louis
Sep 1
STL6:35 amLambert-St Louis
14h 34m
2 stops
SJC7:09 pmSan Jose
$310

momondo Fare Finder

 
Customize your flight search to find flights from San Jose, California to St. Louis 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 July 28, 2026.
Use the filters below to find and compare flights from San Jose, California to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 9/14

1:38 pm-11:32 am

1 stop19h 54m

Lambert-St Louis

Wed 9/16

12:17 pm-12:43 pm

1 stop26h 26m

$252

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 10/23

2:24 pm-1:17 am

1 stop8h 53m

Lambert-St Louis

Sun 10/25

5:19 pm-1:29 pm

1 stop22h 10m

$262

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 9/9

8:53 pm-10:23 am

2 stops11h 30m

Lambert-St Louis

Tue 9/15

2:25 pm-10:45 pm

2 stops10h 20m

$323

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 9/14

8:53 pm-8:40 am

2 stops9h 47m

Lambert-St Louis

Tue 9/15

2:25 pm-10:45 pm

2 stops10h 20m

$323

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 8/25

8:00 am-6:15 pm

1 stop8h 15m

Lambert-St Louis

Thu 8/27

11:50 am-5:45 pm

1 stop7h 55m

$347
Quickest round-trip

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 8/13

5:10 pm-12:35 am

1 stop5h 25m

Lambert-St Louis

Tue 8/18

11:25 am-4:25 pm

1 stop7h 00m

$347

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 8/28

2:30 pm-11:42 pm

1 stop7h 12m

Lambert-St Louis

Tue 9/1

5:42 am-10:50 am

1 stop7h 08m

$364

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 9/4

2:30 pm-11:42 pm

1 stop7h 12m

Lambert-St Louis

Sun 9/6

6:36 am-10:50 am

1 stop6h 14m

$374

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 9/10

6:30 am-3:38 pm

1 stop7h 08m

Lambert-St Louis

Tue 9/15

5:30 pm-10:50 pm

1 stop7h 20m

$447

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 8/27

6:37 pm-9:39 am

2 stops13h 02m

Lambert-St Louis

Wed 9/2

1:36 pm-5:31 pm

1 stop5h 55m

$479

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 St. Louis from

How to get the cheapest flight ticket from San Jose, California to St. Louis

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 San Jose, California and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from $386 to $482.
The lowest price recently found on this route was $252.

What is the cheapest month to fly to St. Louis?

In general, September is the cheapest month to fly from San Jose, California to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $373. The month of January is another great option to travel to St. Louis, with average flight prices from San Jose, California averaging around $387.

What is the cheapest San Jose to Lambert-St Louis flight route?

Fly from San Jose to Lambert-St Louis for the best San Jose - Lambert-St Louis flight prices

What cabin class options are available on San Jose, California to St. Louis flights?

There is only 1 cabin class available to choose from on San Jose, California to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Jose, California to St. Louis flight prices changed over time?

As of July 2026, prices for San Jose, California to St. Louis flights are approximately 85% more expensive when compared to flights at the same time last year.

When to book flights from San Jose, California to St. Louis

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

Cheap San Jose, California to St. Louis (SJC to STL) flight deals and tips

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

Fastest flight time

5h 31m

Direct flights

None
The fastest flight from San Jose, California to St. Louis takes 5h 31m
There are no direct flights from San Jose, California to St. Louis. There are no popular flight routes from San Jose, California to St. Louis.
Search flight deals

Frequently asked questions about flying from San Jose, California to St. Louis

  • How far is San Jose to Lambert-St Louis by plane?

    San Jose and Lambert-St Louis are 1718.3 mi apart from one another. Typically, this will take 5h 31m by plane in normal conditions.

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

    Prices for flights from San Jose Airport to Lambert-St Louis Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from San Jose Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Jose Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Jose, California to St. Louis?

  • What is the most popular airline from San Jose, California to St. Louis?

Best airlines flying from San Jose, California to St. Louis

Compare and see reviews for airlines that fly from San Jose, California to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $257Free CancellationRating
7.8
8,487 reviews
Search Delta flights
United AirlinesPriceFrom $308Free CancellationRating
7.4
10,047 reviews
Search United Airlines flights
SouthwestPriceFrom $338Free CancellationRating
8.0
4,229 reviews
Search Southwest flights
American AirlinesPriceFrom $416Free CancellationRating
7.1
11,847 reviews
Search American Airlines flights

  • Southwest Flights From San Jose, California to St. Louis

    Southwest flight deals from San Jose, California to St. Louis start from $338 round-trip. Over the 10 Southwest flights for this route in a normal week, average airfare is usually $494 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Collinsville
St. Peters
Florissant
Maryland Heights
O'Fallon
Alton
Farmington
Clayton
Wentzville
Fenton
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

Why use momondo?

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

Finding the right flight to St. Louis from San Jose 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 St. Louis quick and easy, saving you time and money.

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

Yes. All flights to St. Louis from San Jose on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from San Jose.

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

Price alerts on flights to St. Louis from San Jose are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your St. Louis trip

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