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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 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Jose, California to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:10 am - 4:52 pm
SJC
-
STL
8h 42m
1 stop
Delta Logo
6:59 pm - 10:44 pm
STL
-
SJC
5h 45m
1 stop
$340Delta
Sat, Sep 5 - Tue, Sep 8
American Airlines Logo
6:00 am - 6:04 pm
SJC
-
STL
10h 04m
2 stops
American Airlines Logo
2:27 pm - 6:27 pm
STL
-
SJC
6h 00m
1 stop
$345American Airlines
Tue, Sep 15 - Thu, Sep 17
Delta Logo
6:00 am - 1:34 pm
SJC
-
STL
5h 34m
1 stop
Delta Logo
10:45 am - 10:09 pm
STL
-
SJC
13h 24m
2 stops
$376Delta
Sat, Sep 5 - Tue, Sep 8
Frontier Logo
2:12 pm - 6:15 pm
SJC
-
STL
26h 03m
1 stop
Frontier Logo
7:10 pm - 1:17 pm
STL
-
SJC
20h 07m
1 stop
$380Frontier
Thu, Jul 9 - Sun, Jul 12
Frontier Logo
2:12 pm - 6:51 pm
SJC
-
STL
26h 39m
1 stop
Frontier Logo
2:56 pm - 1:17 pm
STL
-
SJC
24h 21m
1 stop
$381Frontier
Mon, Jun 15 - Fri, Jun 26
Delta Logo
6:30 am - 2:31 pm
SJC
-
STL
6h 01m
1 stop
Delta Logo
6:55 pm - 11:40 pm
STL
-
SJC
6h 45m
1 stop
$387Delta
Thu, Sep 10 - Mon, Sep 14
Multiple Airlines Logo
2:24 pm - 1:17 am
SJC
-
STL
8h 53m
1 stop
Multiple Airlines Logo
6:00 am - 1:18 pm
STL
-
SJC
9h 18m
1 stop
$394Multiple Airlines
Thu, Oct 8 - Sat, Oct 17
Alaska Airlines Logo
8:00 am - 11:59 pm
SJC
-
STL
13h 59m
1 stop
Alaska Airlines Logo
6:00 am - 1:18 pm
STL
-
SJC
9h 18m
1 stop
$397Alaska Airlines
Sat, Oct 10 - Sat, Oct 24
Frontier Logo
2:24 pm - 10:39 pm
SJC
-
STL
6h 15m
1 stop
Frontier Logo
5:32 pm - 1:29 pm
STL
-
SJC
21h 57m
1 stop
$399Frontier
Thu, Oct 29 - Thu, Nov 5
Frontier Logo
2:12 pm - 6:15 pm
SJC
-
STL
26h 03m
1 stop
Frontier Logo
7:03 pm - 1:17 pm
STL
-
SJC
20h 14m
1 stop
$400Frontier
Sat, Jul 11 - Wed, Jul 15

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

Our best American Airlines deals on San Jose, California to St. Louis flight tickets
American Airlines
Sep 15
SJC6:00 amSan Jose
6h 44m
1 stop
STL2:44 pmLambert-St Louis
Sep 17
STL2:27 pmLambert-St Louis
6h 00m
1 stop
SJC6:27 pmSan Jose
$340
American Airlines
Sep 15
SJC6:00 amSan Jose
10h 04m
2 stops
STL6:04 pmLambert-St Louis
Sep 17
STL2:27 pmLambert-St Louis
6h 00m
1 stop
SJC6:27 pmSan Jose
$345
American Airlines
Jun 24
SJC2:35 pmSan Jose
7h 24m
1 stop
STL11:59 pmLambert-St Louis
Jul 1
STL8:00 amLambert-St Louis
5h 56m
1 stop
SJC11:56 amSan Jose
$437

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
Oct 10
SJC8:00 amSan Jose
13h 59m
1 stop
STL11:59 pmLambert-St Louis
Oct 24
STL6:00 amLambert-St Louis
9h 18m
1 stop
SJC1:18 pmSan Jose
$397
Alaska Airlines
Sep 28
SJC2:13 pmSan Jose
7h 46m
1 stop
STL11:59 pmLambert-St Louis
Oct 1
STL6:00 amLambert-St Louis
9h 17m
1 stop
SJC1:17 pmSan Jose
$443
Alaska Airlines
Oct 10
SJC8:00 amSan Jose
13h 59m
1 stop
STL11:59 pmLambert-St Louis
Oct 24
STL6:00 amLambert-St Louis
13h 37m
2 stops
SJC5:37 pmSan Jose
$447

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 June 1, 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

Sat 9/5

6:10 am-4:52 pm

1 stop8h 42m

Lambert-St Louis

Tue 9/8

6:59 pm-10:44 pm

1 stop5h 45m

$340

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 9/15

6:00 am-6:04 pm

2 stops10h 04m

Lambert-St Louis

Thu 9/17

2:27 pm-6:27 pm

1 stop6h 00m

$345

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sat 9/5

6:00 am-1:34 pm

1 stop5h 34m

Lambert-St Louis

Tue 9/8

10:45 am-10:09 pm

2 stops13h 24m

$376

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 7/9

2:12 pm-6:15 pm

1 stop26h 03m

Lambert-St Louis

Sun 7/12

7:10 pm-1:17 pm

1 stop20h 07m

$380

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 6/15

2:12 pm-6:51 pm

1 stop26h 39m

Lambert-St Louis

Fri 6/26

2:56 pm-1:17 pm

1 stop24h 21m

$381
Quickest round-trip

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 9/10

6:30 am-2:31 pm

1 stop6h 01m

Lambert-St Louis

Mon 9/14

6:55 pm-11:40 pm

1 stop6h 45m

$387

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 10/8

2:24 pm-1:17 am

1 stop8h 53m

Lambert-St Louis

Sat 10/17

6:00 am-1:18 pm

1 stop9h 18m

$394

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sat 10/10

8:00 am-11:59 pm

1 stop13h 59m

Lambert-St Louis

Sat 10/24

6:00 am-1:18 pm

1 stop9h 18m

$397

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 10/29

2:24 pm-10:39 pm

1 stop6h 15m

Lambert-St Louis

Thu 11/5

5:32 pm-1:29 pm

1 stop21h 57m

$399

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sat 7/11

2:12 pm-6:15 pm

1 stop26h 03m

Lambert-St Louis

Wed 7/15

7:03 pm-1:17 pm

1 stop20h 14m

$400

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?

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 $345. The month of October is another great option to travel to St. Louis, with average flight prices from San Jose, California averaging around $383.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $426. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $831. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

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 June 2026, prices for San Jose, California to St. Louis flights are approximately 298% 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 29m

Direct flights

None
The fastest flight from San Jose, California to St. Louis takes 5h 29m
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 29m 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
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,768 reviews
Search United Airlines flights
DeltaPriceFrom $257Free CancellationRating
7.9
8,403 reviews
Search Delta flights
SouthwestPriceFrom $338Free CancellationRating
8.0
4,256 reviews
Search Southwest flights

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
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Festus
Eureka
Litchfield
Clayton
Edwardsville
Shrewsbury
Grafton

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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