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Cheap flights from San Jose, California to St. Louis from $71

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 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
12:27 pm - 9:07 amSJC-STL
18h 40m1 stop
Frontier Logo
9:54 pm - 5:34 pmSTL-SJC
21h 40m1 stop
$130Frontier
Find Deal
Mon, Nov 17 - Thu, Nov 20
Frontier Logo
12:27 pm - 9:07 amSJC-STL
18h 40m1 stop
Frontier Logo
12:01 pm - 5:34 pmSTL-SJC
7h 33m1 stop
$246Frontier
Find Deal
Mon, Nov 17 - Fri, Nov 21
Frontier Logo
12:27 pm - 9:07 amSJC-STL
18h 40m1 stop
Frontier Logo
12:01 pm - 5:34 pmSTL-SJC
7h 33m1 stop
$298Frontier
Find Deal
Fri, Nov 14 - Fri, Nov 21
American Airlines Logo
11:06 am - 7:30 pmSJC-STL
6h 24m1 stop
American Airlines Logo
5:14 am - 10:23 amSTL-SJC
7h 09m1 stop
$352American Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 5
Delta Logo
5:45 am - 1:30 pmSJC-STL
5h 45m1 stop
Delta Logo
6:30 am - 12:31 pmSTL-SJC
8h 01m1 stop
$353Delta
Find Deal
Tue, Dec 2 - Fri, Dec 5
Southwest Logo
8:45 am - 5:25 pmSJC-STL
6h 40m2 stops
Southwest Logo
12:00 pm - 6:10 pmSTL-SJC
8h 10m1 stop
$358Southwest
Find Deal
Tue, Dec 2 - Fri, Dec 5
Delta Logo
7:15 am - 7:10 pmSJC-STL
9h 55m2 stops
Delta Logo
2:20 pm - 10:12 pmSTL-SJC
9h 52m2 stops
$386Delta
Find Deal
Thu, Dec 11 - Mon, Dec 15
Southwest Logo
8:45 am - 5:25 pmSJC-STL
6h 40m2 stops
Southwest Logo
5:00 am - 11:05 amSTL-SJC
8h 05m2 stops
$391Southwest
Find Deal
Tue, Dec 2 - Fri, Dec 5
American Airlines Logo
6:10 am - 11:51 pmSJC-STL
15h 41m1 stop
American Airlines Logo
2:29 pm - 6:36 pmSTL-SJC
6h 07m1 stop
$399American Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
United Airlines Logo
8:45 am - 4:28 pmSJC-STL
5h 43m1 stop
United Airlines Logo
1:35 pm - 5:51 pmSTL-SJC
6h 16m1 stop
$448United Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 5

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
Mar 4
SJC5:58 pmSan Jose
17h 54m
2 stops
STL1:52 pmLambert-St Louis
Mar 9
STL2:55 pmLambert-St Louis
23h 13m
1 stop
SJC12:08 pmSan Jose
$346
Find similar
Alaska Airlines
Dec 11
SJC7:00 amSan Jose
14h 59m
2 stops
STL11:59 pmLambert-St Louis
Dec 12
STL7:00 amLambert-St Louis
8h 50m
1 stop
SJC1:50 pmSan Jose
$356
Find similar
Alaska Airlines
Dec 11
SJC7:00 amSan Jose
14h 59m
2 stops
STL11:59 pmLambert-St Louis
Dec 12
STL7:00 amLambert-St Louis
12h 37m
2 stops
SJC5:37 pmSan Jose
$361
Find similar

Frontier flights from San Jose, California to St. Louis

Our best Frontier deals on San Jose, California to St. Louis flight tickets
Frontier
Nov 17
SJC12:27 pmSan Jose
18h 40m
1 stop
STL9:07 amLambert-St Louis
Nov 20
STL9:54 pmLambert-St Louis
21h 40m
1 stop
SJC5:34 pmSan Jose
$130
Find similar
Frontier
Nov 17
SJC12:27 pmSan Jose
18h 40m
1 stop
STL9:07 amLambert-St Louis
Nov 21
STL12:01 pmLambert-St Louis
7h 33m
1 stop
SJC5:34 pmSan Jose
$246
Find similar
Frontier
Nov 14
SJC12:27 pmSan Jose
18h 40m
1 stop
STL9:07 amLambert-St Louis
Nov 21
STL12:01 pmLambert-St Louis
7h 33m
1 stop
SJC5:34 pmSan Jose
$298
Find similar

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 October 30, 2025.
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

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 11/17

12:27 pm-9:07 am

1 stop18h 40m

Lambert-St Louis

Thu 11/20

9:54 pm-5:34 pm

1 stop21h 40m

$130

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Mon 11/17

12:27 pm-9:07 am

1 stop18h 40m

Lambert-St Louis

Fri 11/21

12:01 pm-5:34 pm

1 stop7h 33m

$246

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Fri 11/14

12:27 pm-9:07 am

1 stop18h 40m

Lambert-St Louis

Fri 11/21

12:01 pm-5:34 pm

1 stop7h 33m

$298

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 12/2

11:06 am-7:30 pm

1 stop6h 24m

Lambert-St Louis

Fri 12/5

5:14 am-10:23 am

1 stop7h 09m

$352

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 12/2

5:45 am-1:30 pm

1 stop5h 45m

Lambert-St Louis

Fri 12/5

6:30 am-12:31 pm

1 stop8h 01m

$353

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 12/2

8:45 am-5:25 pm

2 stops6h 40m

Lambert-St Louis

Fri 12/5

12:00 pm-6:10 pm

1 stop8h 10m

$358

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Thu 12/11

7:15 am-7:10 pm

2 stops9h 55m

Lambert-St Louis

Mon 12/15

2:20 pm-10:12 pm

2 stops9h 52m

$386

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 12/2

8:45 am-5:25 pm

2 stops6h 40m

Lambert-St Louis

Fri 12/5

5:00 am-11:05 am

2 stops8h 05m

$391

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Sat 11/15

6:10 am-11:51 pm

1 stop15h 41m

Lambert-St Louis

Wed 11/19

2:29 pm-6:36 pm

1 stop6h 07m

$399

San JoseSt. Louis

SJC - STL

SJCSTL

San Jose

Tue 12/2

8:45 am-4:28 pm

1 stop5h 43m

Lambert-St Louis

Fri 12/5

1:35 pm-5:51 pm

1 stop6h 16m

$448

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 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 $362. The month of October is another great option to travel to St. Louis, with average flight prices from San Jose, California averaging around $369.

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 $486. 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 time of day to depart on your flight to St. Louis?

Flying to St. Louis from San Jose, California 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 $831 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, California when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $396 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, California for as low as $283 on momondo.

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 October 2025, prices for San Jose, California to St. Louis flights are approximately 25% 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

Direct flights

None
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

  • 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 15m 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
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,998 reviews
Search Delta flights
SouthwestPriceFrom $323Free CancellationRating
8.0
4,243 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
Florissant
O'Fallon
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
Eureka
Litchfield
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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