SJC - STL

$65 Find Cheap Flights from San Jose to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Jose to St. Louis departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Jose to St. Louis, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Jose to St. Louis, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$226
Overall average: $387
Frontier
Thu 1/15Sun 1/18
SJC - STL • 1 stop
Cheapest one-way
$65
Typical prices: $185-$334
Frontier
Thu 1/15
SJC - STL • 1 stop
Our travelers' advice
AI-generated summary based on content written by travel experts
SJC offers a smooth security process with shorter lines.
Use MetroLink for easy access to downtown St. Louis.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Frontier
Cheapest • from $226 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 13% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 9% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from San Jose to St. Louis (SJC-STL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Jose to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Jose to St. Louis

Thu, Jan 15 - Sun, Jan 18
Frontier Logo
11:37 am - 12:15 pmSJC-STL
22h 38m1 stop
Frontier Logo
9:47 pm - 5:56 pmSTL-SJC
22h 09m1 stop
$226Frontier
Find Deal
Wed, Dec 17 - Thu, Jan 22
Delta Logo
7:15 am - 7:10 pmSJC-STL
9h 55m2 stops
Delta Logo
6:35 am - 5:40 pmSTL-SJC
13h 05m2 stops
$274Delta
Find Deal
Wed, Dec 10 - Tue, Dec 16
Delta Logo
7:15 am - 7:10 pmSJC-STL
9h 55m2 stops
Delta Logo
5:12 pm - 10:55 pmSTL-SJC
7h 43m1 stop
$296Delta
Find Deal
Tue, Dec 2 - Fri, Dec 5
Delta Logo
6:35 am - 4:06 pmSJC-STL
7h 31m1 stop
Delta Logo
2:20 pm - 10:13 pmSTL-SJC
9h 53m2 stops
$316Delta
Find Deal
Tue, Dec 2 - Fri, Dec 5
Delta Logo
6:35 am - 4:06 pmSJC-STL
7h 31m1 stop
Delta Logo
6:00 am - 3:54 pmSTL-SJC
11h 54m2 stops
$317Delta
Find Deal
Tue, Dec 9 - Tue, Dec 16
Delta Logo
4:50 pm - 1:01 amSJC-STL
6h 11m1 stop
Delta Logo
5:12 pm - 10:55 pmSTL-SJC
7h 43m1 stop
$319Delta
Find Deal
Tue, Jan 20 - Wed, Feb 4
Alaska Airlines Logo
9:05 am - 1:54 pmSJC-STL
26h 49m1 stop
Alaska Airlines Logo
2:50 pm - 1:00 pmSTL-SJC
24h 10m1 stop
$322Alaska Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 5
Alaska Airlines Logo
3:49 pm - 2:27 pmSJC-STL
20h 38m1 stop
Alaska Airlines Logo
7:00 am - 10:59 pmSTL-SJC
17h 59m1 stop
$330Alaska Airlines
Find Deal
Tue, Jan 20 - Sun, Feb 1
Alaska Airlines Logo
6:02 pm - 1:54 pmSJC-STL
17h 52m1 stop
Alaska Airlines Logo
2:50 pm - 5:08 pmSTL-SJC
28h 18m1 stop
$332Alaska Airlines
Find Deal
Thu, Jan 15 - Sun, Jan 18
Delta Logo
11:40 am - 11:25 pmSJC-STL
9h 45m2 stops
Delta Logo
6:00 am - 12:56 pmSTL-SJC
8h 56m1 stop
$337Delta
Find Deal
Booking Insights

KAYAK's insights & trends for San Jose to St. Louis flights

Get data-powered insights and trends into flights from San Jose to St. Louis to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from San Jose to St. Louis?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Jose to St. Louis, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Jose to St. Louis is September, where tickets cost $362 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $533 and $474 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Jose to St. Louis, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Jose to St. Louis, you should book around 5 weeks before departure, which saves you about 13% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Expert advice

Expert advice for your flight from San Jose to St. Louis

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
SJC

SJC offers a smooth security process with generally shorter lines than larger airports like SFO, making it a convenient choice for departures.

STL

Use MetroLink for a convenient and cost-effective way to reach downtown St. Louis from STL, avoiding rush hour traffic.

Read more about STLby Yulia Denisyuk
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Bill Fink

Bill Fink

Expert on SJC

Bill Fink

Bill Fink

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more

Good to know

Low seasonOctober
Cheapest flight$65
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from San Jose to St. Louis

When to book flights from San Jose to St. Louis

Are your dates flexible? Find out the best times to travel from San Jose to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Jose to St. Louis

  • What is the cheapest flight from San Jose to St. Louis?

    In the last 3 days, the lowest price for a flight from San Jose to St. Louis was $65 for a one-way ticket and $226 for a round-trip.

  • Do I need a passport to fly between San Jose and St. Louis?

    No, a passport isn't needed to fly from San Jose to St. Louis. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from San Jose to St. Louis?

    On your way to St. Louis, you’ll fly out from San Jose. You’ll be landing at Lambert-St Louis.

  • Which airlines offer Wi-Fi service onboard planes from San Jose to St. Louis?

    Alaska Airlines, Delta, JetBlue, and Hawaiian Airlines offer inflight Wi-Fi service on the San Jose to St. Louis flight route.

  • Which aircraft models fly most regularly from San Jose to St. Louis?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the San Jose to St. Louis flight route.

  • Which airline alliances offer flights from San Jose to St. Louis?

    oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between San Jose and St. Louis, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from San Jose to St. Louis, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from San Jose to St. Louis are Southwest and Delta. With an average price for the route of $416 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $378 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from San Jose to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Jose to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Jose to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from San Jose is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Jose to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to San Jose with another airline. Booking your flights between San Jose and STL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Jose to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from San Jose up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from San Jose to St. Louis

 
See real verified KAYAK customer reviews for airlines flying from San Jose to St. Louis. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Jose to St. Louis? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4235 reviews
8.0Comfort
8.6Crew
7.5Entertainment
7.0Food
8.1Boarding
Airline reviews

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

10.0 ExcellentMichael, Nov 2025LAX - BWI
Read more Southwest reviews

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

Boarded on time but once we were ready for take off, the crew determined that, although every seat was taken, somehow someone was on the wrong flight. Delay, delay delay, announcements and ended up with one person checking EVERY ID against their passenger Manifest only to figure out it was a "clerical error." We departed 54 minutes late causing me to run in the St. Louis Airport to make my connection and lose the priority boarding spot I had paid for. Unnecessary delay.

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

As always, the entire Southwest experience was wonderful, from online booking to flight to baggage retrieval. Very grateful.

The weather could have been better. There was a 40 minute ATC delay in SFO because of marine fog and a micro cell storm delayed landing and take-off at Nashville. The gate was changed 5 minutes from boarding from gate B3 to gate C23 at Nashville airport.

Southwest's seats are the least comfortable I have ever sat in.

The cabin was quiet for the redeye flight. The area was clean. The staff was great. The 787 Max was in good condition. Drawbacks were that the seat widths were tight for some passengers. The seat padding was at best average and for a long flight uncomfortable.

It was one and half hour late... Not sure if any other experience matters.

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

The flight used a B767 with a very old interior from before 2014. The entertainment system did not work at all during the flight despite attempts to reset the system. It was like they flew this route just to be competitive.

Delayed flight (1hour) plus a long layover after an overnight flight with no backup plane available.

The boarding process needs to be refined. Sometimes the gate crew calls out the zones and then flip to showing the.zones boarding on the gate monitor display. So, unless you are huddled around the gate lanes watching the monitor, you could miss your boarding zone. Suggest the zones be announced each time a new zone is allowed to board.

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

My husband upgraded our seats and I don't know if it was due to the type of planet was or if they didn't upgrade our seats. We were supposed to be in I believe comfort seats and they were just as tight as any other seat- no leg room and we are very tall people but at least it wasn't extremely cold. My husband did put in a complaint about our seating because he paid extra and if we would have known that the space and the tightness would have been the same, we just would have gotten the emergency row emergency row seats that we normally get. We love Delta but both our flights coming home we're not good. Oh I forgot to mention that on our flight to Hawaii our luggage wheels got broke and we had to purse new luggage on vacation then we never had this problem so we didn't know protocol and reported it after we got home only for them to tell is we only had 24hrs to report the damage. Not sure what was going on with Delta this vacation trip.

Crew was excellent. Comfort seats not as nice as other kinds of planes.

It was a great flight and the stewards and stewardess were all kind and accommodating!! The seats were comfortable and entertainment screen excellent!

There are 4 flights in consecutive gates with about the same departure time. Two flights were boarding at the same time. One was delayed or boarding would be happening at the same time. I am not sure what Delta and LAX need to do to have a better layout at the end of Terminal 2

Older aircraft, no meal, only food was for purchase. Not impressed United.

Not pleasant trip cross country when the entertainment and WiFi system not working. No entertainment for entirety of route. Staff was rather nonchalant in that they dismissed the problem due to age of plane. It would have been nice to know this up front so I could have come prepared to read or download movies before boarding Coincidentally or not, there was a similar issue with the entertainment system on my previous flight I took on my fist leg of the trip. There are no seat TVs, so you must rely on the app when it works. United can do better. Also, what use it it to pay for boarding group 2 when half of the passengers are in the same line as you?

Premium Plus is a really good idea for longer flights

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Excellent flight. Smooth, efficient boarding. Quick flight. Arrived early at STL.

The flight attendants were great, I joked with one I can’t remember her name, a blond, really sweet. I thought it was run well very professional. This was great i survived Spirit, I know for which I speak.

I was in first class. The outlets at my seat did not work. The plane was shabby and run down. I had prepurchsed a day subscription for internet that was not redeemable. I had to repurchase the internet for my flight and then it didn’t work anyway. Quite disappointed in what was supposed to be the launch of a great vacation.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

I learned that seating towards the end of plane that a line forms for the restroom and people use your chair as a hand railing, bumping your seat consistently. I was seated in the aisle. I think that next time if I am towards the back row I would want to sit in the middle or window seat.

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

The flight was flawless and we even arrived between 20 and 25 minutes early!

Always seated jammed in rear of aircraft Admirals Club food at DFW terminal D was absolute worst food experience and I pay $600/year to eat this dried out junk

Mostly good. Flight was crowded but Airline personnel were very friendly & accommodating. It would be good to have savory snacks rather than just sweet Biscoff cookies.

It was a red eye flight, so no meals were provided, but it was fine with snacks. The seats felt cramped and almost too narrow.

Very crowded flight but what can you expect these days?? Crew was accommodating.

The seats in economy were appeared to be quite thin and lack sufficient cushioning to be comfortable. Perhaps it was my seating position but the plane seemed notably load.

The entertainment package was vast and the selections were very current. Keep updating it was great.

The seat was so hard my tailbone was aching The crew was kind of a b**** because I made a joke that I didn't care if they close the door I total c*** when she was trying to f****** act like she was mad at me because I said that The flight was bumpy. Sure you didnt have control over that.

4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.

Everything you need to know for your flight from San Jose to St. Louis

Information on your arrival and departure airports