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Cheap flights from St. Louis to San Jose 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 St. Louis to San Jose departing on 11/20. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:07 pm - 5:56 pmSTL-SJC
6h 49m1 stop
Frontier Logo
4:24 pm - 4:49 pmSJC-STL
22h 25m1 stop
$226Frontier
Find Deal
dom, gen 18 - gio, gen 22
Delta Logo
6:15 am - 3:54 pmSTL-SJC
11h 39m2 stops
Delta Logo
11:40 am - 11:25 pmSJC-STL
9h 45m2 stops
$274Delta
Find Deal
gio, dic 11 - sab, gen 17
Delta Logo
6:00 am - 3:54 pmSTL-SJC
11h 54m2 stops
Delta Logo
2:06 pm - 11:39 pmSJC-STL
7h 33m1 stop
$296Delta
Find Deal
gio, dic 11 - sab, gen 17
Hawaiian Airlines Logo
2:55 pm - 10:03 pmSTL-SJC
9h 08m1 stop
Hawaiian Airlines Logo
1:00 pm - 11:56 pmSJC-STL
8h 56m1 stop
$302Hawaiian Airlines
Find Deal
sab, feb 28 - mer, mar 4
Alaska Airlines Logo
2:50 pm - 9:48 amSTL-SJC
20h 58m1 stop
Alaska Airlines Logo
6:02 pm - 1:54 pmSJC-STL
17h 52m1 stop
$310Alaska Airlines
Find Deal
mer, gen 14 - mer, gen 28
United Airlines Logo
1:35 pm - 5:51 pmSTL-SJC
6h 16m1 stop
United Airlines Logo
8:45 am - 4:28 pmSJC-STL
5h 43m1 stop
$319United Airlines
Find Deal
mer, dic 3 - mer, dic 10
Southwest Logo
5:00 am - 11:05 amSTL-SJC
8h 05m2 stops
Southwest Logo
6:50 am - 5:20 pmSJC-STL
8h 30m2 stops
$371Southwest
Find Deal
gio, dic 11 - lun, dic 15
American Airlines Logo
5:16 am - 10:00 amSTL-SJC
6h 44m1 stop
American Airlines Logo
6:00 am - 5:10 pmSJC-STL
9h 10m1 stop
$389American Airlines
Find Deal
ven, dic 19 - sab, dic 27
Southwest Logo
5:00 am - 10:40 amSTL-SJC
7h 40m1 stop
Southwest Logo
5:50 pm - 1:20 amSJC-STL
5h 30m1 stop
$399Southwest
Find Deal
mer, dic 17 - sab, dic 20
American Airlines Logo
5:14 am - 12:20 pmSTL-SJC
9h 06m2 stops
American Airlines Logo
4:22 pm - 11:51 pmSJC-STL
5h 29m1 stop
$414American Airlines
Find Deal
sab, feb 28 - mer, mar 4

Frontier flights from St. Louis to San Jose, California

Our best Frontier deals on St. Louis to San Jose, California flight tickets
Frontier
Nov 13
STL7:45 pmLambert-St Louis
17h 47m
1 stop
SJC11:32 amSan Jose
Nov 17
SJC12:27 pmSan Jose
18h 40m
1 stop
STL9:07 amLambert-St Louis
$222
Find similar
Frontier
Jan 18
STL1:07 pmLambert-St Louis
6h 49m
1 stop
SJC5:56 pmSan Jose
Jan 22
SJC4:24 pmSan Jose
22h 25m
1 stop
STL4:49 pmLambert-St Louis
$226
Find similar
Frontier
Dec 31
STL7:43 pmLambert-St Louis
20h 49m
2 stops
SJC2:32 pmSan Jose
Jan 4
SJC3:27 pmSan Jose
27h 58m
1 stop
STL9:25 pmLambert-St Louis
$320
Find similar

Delta flights from St. Louis to San Jose, California

Our best Delta deals on St. Louis to San Jose, California flight tickets
Delta
Dec 11
STL6:15 amLambert-St Louis
11h 39m
2 stops
SJC3:54 pmSan Jose
Jan 17
SJC11:40 amSan Jose
9h 45m
2 stops
STL11:25 pmLambert-St Louis
$274
Find similar
Delta
Dec 11
STL6:00 amLambert-St Louis
11h 54m
2 stops
SJC3:54 pmSan Jose
Jan 17
SJC2:06 pmSan Jose
7h 33m
1 stop
STL11:39 pmLambert-St Louis
$296
Find similar
Delta
Nov 24
STL6:34 amLambert-St Louis
7h 51m
1 stop
SJC12:25 pmSan Jose
Dec 3
SJC11:40 amSan Jose
11h 21m
2 stops
STL1:01 amLambert-St Louis
$316
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to San Jose, California 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 novembre 7, 2025.
Use the filters below to find and compare flights from St. Louis to San Jose, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

dom 1/18

1:07 pm-5:56 pm

1 stop6h 49m

San Jose

gio 1/22

4:24 pm-4:49 pm

1 stop22h 25m

$226

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

gio 12/11

6:15 am-3:54 pm

2 stops11h 39m

San Jose

sab 1/17

11:40 am-11:25 pm

2 stops9h 45m

$274

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

gio 12/11

6:00 am-3:54 pm

2 stops11h 54m

San Jose

sab 1/17

2:06 pm-11:39 pm

1 stop7h 33m

$296

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

sab 2/28

2:55 pm-10:03 pm

1 stop9h 08m

San Jose

mer 3/4

1:00 pm-11:56 pm

1 stop8h 56m

$302

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

mer 1/14

2:50 pm-9:48 am

1 stop20h 58m

San Jose

mer 1/28

6:02 pm-1:54 pm

1 stop17h 52m

$310

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

mer 12/3

1:35 pm-5:51 pm

1 stop6h 16m

San Jose

mer 12/10

8:45 am-4:28 pm

1 stop5h 43m

$319

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

gio 12/11

5:00 am-11:05 am

2 stops8h 05m

San Jose

lun 12/15

6:50 am-5:20 pm

2 stops8h 30m

$371

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

ven 12/19

5:16 am-10:00 am

1 stop6h 44m

San Jose

sab 12/27

6:00 am-5:10 pm

1 stop9h 10m

$389

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

mer 12/17

5:00 am-10:40 am

1 stop7h 40m

San Jose

sab 12/20

5:50 pm-1:20 am

1 stop5h 30m

$399

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

sab 2/28

5:14 am-12:20 pm

2 stops9h 06m

San Jose

mer 3/4

4:22 pm-11:51 pm

1 stop5h 29m

$414

Flights are sorted by cheapest round-trip flights first.

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

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 San Jose, California?

The month of February is, on average, the cheapest month to fly to San Jose, California from St. Louis, with most prices found around $336. If you are unable to visit San Jose, California during the month of February, then departing from St. Louis during the month May is also very affordable. Most momondo users find prices during this month for around $346.

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

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

How far in advance should I book a flight to San Jose, California?

You are more likely to see cheaper flights to San Jose, California from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to San Jose, California for around $378 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose, California from St. Louis for as low as $246 on momondo.

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

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

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

As of November 2025, prices for St. Louis to San Jose, California flights are approximately 17% cheaper when compared to flights at the same time last year.

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

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

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

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

Direct flights

None
There are no direct flights from St. Louis to San Jose, California. There are no popular flight routes from St. Louis to San Jose, California.
Search flight deals

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

    A flight from Lambert-St Louis to San Jose will travel around 1718.3 mi. Typically, this will take 5h 50m by plane in normal conditions.

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

    Prices for flights from Lambert-St Louis Airport to San Jose Airport are updated daily.

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

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

  • What documentation or ID do you need to fly to San Jose Airport?

    The travel and health documents you'll need for your trip to San Jose Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Jose Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from St. Louis to San Jose, California with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,001 reviews
Search Delta flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $265Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to San Jose. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to San Jose from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between St. Louis and San Jose by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from St. Louis to San Jose now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Jose and let you know when they change.

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