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Cheap flights from San Jose to St. Louis from $128

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 to St. Louis departing on 12/14. 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
0 bags

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Find the cheapest flights from San Jose to St. Louis

Cheap round-trip flights

Frontier Logo
12:25 pm - 9:06 amSJC-STL
18h 41m1 stop
Frontier Logo
2:38 pm - 5:45 pmSTL-SJC
29h 07m1 stop
$267Frontier
Find Deal
Fri, Sep 12 - Sun, Sep 14
Frontier Logo
7:12 pm - 8:40 pmSJC-STL
23h 28m1 stop
Frontier Logo
2:38 pm - 5:45 pmSTL-SJC
29h 07m1 stop
$268Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Delta Logo
7:15 am - 6:35 pmSJC-STL
9h 20m2 stops
Delta Logo
12:14 pm - 10:08 pmSTL-SJC
11h 54m2 stops
$294Delta
Find Deal
Wed, Oct 29 - Tue, Nov 4
Delta Logo
11:35 am - 12:24 amSJC-STL
10h 49m2 stops
Delta Logo
3:59 pm - 10:58 pmSTL-SJC
8h 59m1 stop
$303Delta
Find Deal
Wed, Oct 29 - Tue, Nov 4
American Airlines Logo
1:09 pm - 11:14 pmSJC-STL
8h 05m1 stop
American Airlines Logo
5:15 am - 12:12 pmSTL-SJC
8h 57m1 stop
$316American Airlines
Find Deal
Tue, Aug 26 - Fri, Aug 29
American Airlines Logo
2:08 pm - 10:50 pmSJC-STL
6h 42m1 stop
American Airlines Logo
6:18 pm - 10:47 pmSTL-SJC
6h 29m1 stop
$319American Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
Southwest Logo
11:45 am - 10:15 pmSJC-STL
8h 30m1 stop
Southwest Logo
4:45 pm - 10:10 pmSTL-SJC
7h 25m1 stop
$323Southwest
Find Deal
Tue, Sep 2 - Sat, Sep 6
Southwest Logo
8:55 pm - 8:25 amSJC-STL
9h 30m1 stop
Southwest Logo
3:55 pm - 8:20 pmSTL-SJC
6h 25m1 stop
$326Southwest
Find Deal
Sat, Sep 27 - Mon, Sep 29
United Airlines Logo
6:20 am - 3:47 pmSJC-STL
7h 27m1 stop
United Airlines Logo
6:15 am - 12:02 pmSTL-SJC
7h 47m1 stop
$437United Airlines
Find Deal
Tue, Aug 12 - Wed, Aug 13
United Airlines Logo
3:45 pm - 11:53 pmSJC-STL
6h 08m1 stop
United Airlines Logo
5:15 am - 9:51 amSTL-SJC
6h 36m1 stop
$451United Airlines
Find Deal
Mon, Aug 25 - Mon, Sep 1

Spirit Airlines flights from San Jose to St. Louis

Our best Spirit Airlines deals on San Jose to St. Louis flight tickets
Spirit Airlines
Aug 7
SJC6:30 amSan Jose
25h 22m
2 stops
STL9:52 amLambert-St Louis
Aug 11
STL10:47 amLambert-St Louis
25h 49m
2 stops
SJC10:36 amSan Jose
$513
Find similar
Spirit Airlines
Aug 9
SJC6:30 amSan Jose
25h 22m
3 stops
STL9:52 amLambert-St Louis
Aug 11
STL10:47 amLambert-St Louis
25h 49m
3 stops
SJC10:36 amSan Jose
$517
Find similar
Spirit Airlines
Aug 7
SJC6:30 amSan Jose
25h 22m
2 stops
STL9:52 amLambert-St Louis
Aug 11
STL10:47 amLambert-St Louis
25h 49m
3 stops
SJC10:36 amSan Jose
$532
Find similar

Delta flights from San Jose to St. Louis

Our best Delta deals on San Jose to St. Louis flight tickets
Delta
Oct 29
SJC7:15 amSan Jose
9h 20m
2 stops
STL6:35 pmLambert-St Louis
Nov 4
STL12:14 pmLambert-St Louis
11h 54m
2 stops
SJC10:08 pmSan Jose
$294
Find similar
Delta
Oct 29
SJC11:35 amSan Jose
10h 49m
2 stops
STL12:24 amLambert-St Louis
Nov 4
STL3:59 pmLambert-St Louis
8h 59m
1 stop
SJC10:58 pmSan Jose
$303
Find similar
Delta
Sep 10
SJC1:35 pmSan Jose
5h 43m
1 stop
STL9:18 pmLambert-St Louis
Sep 24
STL7:00 pmLambert-St Louis
6h 41m
1 stop
SJC11:41 pmSan Jose
$313
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Jose 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 August 2, 2025.
Use the filters below to find and compare flights from San Jose to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 9/12

12:25 pm-9:06 am

1 stop18h 41m

Lambert-St Louis

Sun 9/14

2:38 pm-5:45 pm

1 stop29h 07m

$267

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 9/25

7:12 pm-8:40 pm

1 stop23h 28m

Lambert-St Louis

Sun 9/28

2:38 pm-5:45 pm

1 stop29h 07m

$268

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 10/29

7:15 am-6:35 pm

2 stops9h 20m

Lambert-St Louis

Tue 11/4

12:14 pm-10:08 pm

2 stops11h 54m

$294

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Wed 10/29

11:35 am-12:24 am

2 stops10h 49m

Lambert-St Louis

Tue 11/4

3:59 pm-10:58 pm

1 stop8h 59m

$303

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 8/26

1:09 pm-11:14 pm

1 stop8h 05m

Lambert-St Louis

Fri 8/29

5:15 am-12:12 pm

1 stop8h 57m

$316

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 9/26

2:08 pm-10:50 pm

1 stop6h 42m

Lambert-St Louis

Mon 9/29

6:18 pm-10:47 pm

1 stop6h 29m

$319

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 9/2

11:45 am-10:15 pm

1 stop8h 30m

Lambert-St Louis

Sat 9/6

4:45 pm-10:10 pm

1 stop7h 25m

$323

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sat 9/27

8:55 pm-8:25 am

1 stop9h 30m

Lambert-St Louis

Mon 9/29

3:55 pm-8:20 pm

1 stop6h 25m

$326

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 8/12

6:20 am-3:47 pm

1 stop7h 27m

Lambert-St Louis

Wed 8/13

6:15 am-12:02 pm

1 stop7h 47m

$437

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 8/25

3:45 pm-11:53 pm

1 stop6h 08m

Lambert-St Louis

Mon 9/1

5:15 am-9:51 am

1 stop6h 36m

$451

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 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 cheapest month to fly to St. Louis?

In general, August is the cheapest month to fly from San Jose to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $328. The month of July is another great option to travel to St. Louis, with average flight prices from San Jose averaging around $346.

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 Monday when prices can be found for as low as $441. 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 Saturday because tickets tend to average around $560. 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 time of day to depart on your flight to St. Louis?

Flying to St. Louis from San Jose in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $358 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $557 per ticket.

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

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from San Jose when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $387 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from San Jose for as low as $283 on momondo.

What cabin class options are available on San Jose to Lambert-St Louis flights?

There are 1 cabin classes 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 to St. Louis flight prices changed over time?

As of August 2025, prices for San Jose to St. Louis flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from San Jose to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from San Jose 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 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 to St. Louis

Best Price Found

$128

Fastest flight time

5h 30m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from San Jose in the past 72 hours is $128. The best round-trip flight deal from San Jose to St. Louis found on momondo in the last 72 hours is $267.
The fastest flight from San Jose to St. Louis takes 5h 30m
There are no direct flights from San Jose to St. Louis. Popular non-direct route for this connection is San Jose Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • 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 35m 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 to St. Louis?

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

Best airlines flying from San Jose to St. Louis

Compare and see reviews for airlines that fly from San Jose to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $118Free CancellationRating
5.8
3,241 reviews
Search Frontier flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
8.0
7,983 reviews
Search Delta flights
SouthwestPriceFrom $332Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

  • Southwest Flights From San Jose to St. Louis

    Southwest flight deals from San Jose to St. Louis start from $332 round-trip. Over the 9 Southwest flights for this route in a normal week, average airfare is usually $435 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
Hermann
Fairview Heights
Maryland Heights
Florissant
Fenton
Collinsville
O'Fallon
Alton
St. Peters
Farmington
Wentzville
Festus
Glencoe
Eureka
Edwardsville
Clayton
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

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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