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Cheap flights from San Jose, California to St. Louis from $96

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 6/8. 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.
Frontier Logo
2:12 pm - 8:23 pm
SJC
-
STL
28h 11m
1 stop
Frontier Logo
12:36 pm - 1:17 pm
STL
-
SJC
26h 41m
1 stop
$171Frontier
Thu, May 7 - Sun, May 10
Frontier Logo
2:12 pm - 8:23 pm
SJC
-
STL
28h 11m
1 stop
Frontier Logo
12:36 pm - 1:17 pm
STL
-
SJC
26h 41m
1 stop
$196Frontier
Thu, May 7 - Thu, May 14
Frontier Logo
2:12 pm - 6:06 pm
SJC
-
STL
25h 54m
1 stop
Frontier Logo
6:51 pm - 1:17 pm
STL
-
SJC
20h 26m
1 stop
$236Frontier
Mon, May 18 - Wed, May 20
Frontier Logo
2:12 pm - 5:05 pm
SJC
-
STL
24h 53m
1 stop
Frontier Logo
2:56 pm - 1:17 pm
STL
-
SJC
24h 21m
1 stop
$241Frontier
Mon, Jun 8 - Thu, Jun 11
Frontier Logo
2:12 pm - 5:34 pm
SJC
-
STL
25h 22m
1 stop
Frontier Logo
9:06 pm - 1:17 pm
STL
-
SJC
18h 11m
1 stop
$250Frontier
Fri, May 29 - Fri, Jun 5
Frontier Logo
8:19 pm - 9:00 pm
SJC
-
STL
22h 41m
1 stop
Frontier Logo
12:36 pm - 1:17 pm
STL
-
SJC
26h 41m
1 stop
$292Frontier
Sun, May 3 - Thu, May 7
Frontier Logo
2:12 pm - 8:23 pm
SJC
-
STL
28h 11m
1 stop
Frontier Logo
8:08 pm - 11:59 am
STL
-
SJC
17h 51m
2 stops
$342Frontier
Thu, May 7 - Sun, May 10
Frontier Logo
2:12 pm - 8:23 pm
SJC
-
STL
28h 11m
1 stop
Frontier Logo
12:36 pm - 11:59 am
STL
-
SJC
25h 23m
2 stops
$343Frontier
Thu, May 7 - Thu, May 14
Frontier Logo
8:22 pm - 9:00 pm
SJC
-
STL
22h 38m
1 stop
Frontier Logo
9:55 pm - 5:44 pm
STL
-
SJC
21h 49m
1 stop
$351Frontier
Sun, Apr 26 - Thu, Apr 30
Frontier Logo
2:12 pm - 5:05 pm
SJC
-
STL
24h 53m
1 stop
Frontier Logo
7:03 pm - 1:17 pm
STL
-
SJC
20h 14m
2 stops
$359Frontier
Mon, Jun 8 - Thu, Jun 11

Frontier flights from San Jose, California to St. Louis

Our best Frontier deals on San Jose, California to St. Louis flight tickets
Frontier
May 7
SJC2:12 pmSan Jose
28h 11m
1 stop
STL8:23 pmLambert-St Louis
May 10
STL12:36 pmLambert-St Louis
26h 41m
1 stop
SJC1:17 pmSan Jose
$171
Frontier
May 7
SJC2:12 pmSan Jose
28h 11m
1 stop
STL8:23 pmLambert-St Louis
May 14
STL12:36 pmLambert-St Louis
26h 41m
1 stop
SJC1:17 pmSan Jose
$196
Frontier
May 18
SJC2:12 pmSan Jose
25h 54m
1 stop
STL6:06 pmLambert-St Louis
May 20
STL6:51 pmLambert-St Louis
20h 26m
1 stop
SJC1:17 pmSan Jose
$236

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
Jun 3
SJC7:06 amSan Jose
14h 48m
2 stops
STL11:54 pmLambert-St Louis
Jun 6
STL5:33 pmLambert-St Louis
7h 26m
1 stop
SJC10:59 pmSan Jose
$385
Alaska Airlines
May 12
SJC2:44 pmSan Jose
7h 15m
1 stop
STL11:59 pmLambert-St Louis
May 13
STL5:33 pmLambert-St Louis
7h 26m
1 stop
SJC10:59 pmSan Jose
$412
Alaska Airlines
May 13
SJC2:34 pmSan Jose
7h 20m
1 stop
STL11:54 pmLambert-St Louis
May 16
STL5:33 pmLambert-St Louis
7h 26m
1 stop
SJC10:59 pmSan Jose
$413

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 April 14, 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

Thu 5/7

2:12 pm-8:23 pm

1 stop28h 11m

Lambert-St Louis

Sun 5/10

12:36 pm-1:17 pm

1 stop26h 41m

$171

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 5/7

2:12 pm-8:23 pm

1 stop28h 11m

Lambert-St Louis

Thu 5/14

12:36 pm-1:17 pm

1 stop26h 41m

$196

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 5/18

2:12 pm-6:06 pm

1 stop25h 54m

Lambert-St Louis

Wed 5/20

6:51 pm-1:17 pm

1 stop20h 26m

$236

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 6/8

2:12 pm-5:05 pm

1 stop24h 53m

Lambert-St Louis

Thu 6/11

2:56 pm-1:17 pm

1 stop24h 21m

$241
Quickest round-trip

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 5/29

2:12 pm-5:34 pm

1 stop25h 22m

Lambert-St Louis

Fri 6/5

9:06 pm-1:17 pm

1 stop18h 11m

$250

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sun 5/3

8:19 pm-9:00 pm

1 stop22h 41m

Lambert-St Louis

Thu 5/7

12:36 pm-1:17 pm

1 stop26h 41m

$292

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 5/7

2:12 pm-8:23 pm

1 stop28h 11m

Lambert-St Louis

Sun 5/10

8:08 pm-11:59 am

2 stops17h 51m

$342

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 5/7

2:12 pm-8:23 pm

1 stop28h 11m

Lambert-St Louis

Thu 5/14

12:36 pm-11:59 am

2 stops25h 23m

$343

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sun 4/26

8:22 pm-9:00 pm

1 stop22h 38m

Lambert-St Louis

Thu 4/30

9:55 pm-5:44 pm

1 stop21h 49m

$351

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 6/8

2:12 pm-5:05 pm

1 stop24h 53m

Lambert-St Louis

Thu 6/11

7:03 pm-1:17 pm

2 stops20h 14m

$359

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 July is another great option to travel to St. Louis, with average flight prices from San Jose, California averaging around $372.

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 $452. 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 to Lambert-St Louis flights?

There is only 1 cabin class available to choose from on San Jose to Lambert-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 April 2026, prices for San Jose, California to St. Louis flights are approximately 26% 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 $256Free CancellationRating
7.9
8,406 reviews
Search Delta flights
United AirlinesPriceFrom $280Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
American AirlinesPriceFrom $281Free CancellationRating
7.1
11,573 reviews
Search American Airlines flights
SouthwestPriceFrom $318Free CancellationRating
8.0
4,328 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
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Clayton
Festus
Eureka
Litchfield
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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