Cheap flights from St. Louis to San Jose from $125
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 6/30. 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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How to get the cheapest flight ticket from St. Louis to San Jose
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?
In general, November is the cheapest month to fly from St. Louis to San Jose. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $272. If you aren’t able to travel to San Jose during the month of November, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $322.
What is the cheapest day to depart on your flight to San Jose?
The cheapest day to depart on your flight to San Jose is on a Monday when prices can be found for as low as $368. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Jose on Sunday is $488.
What is the cheapest time of day to depart on your flight to San Jose?
Our most recent data shows that the best time of day to fly to San Jose is in the evening. Flights from St. Louis to San Jose during this time can be as low as $200. In contrast, the most expensive time of day to depart to San Jose is in the morning when prices are around $523.
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?
You are more likely to see cheaper flights to San Jose from St. Louis when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to San Jose for around $342 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose from St. Louis for as low as $210 on momondo.
What cabin class options are available on Lambert-St Louis to San Jose flights?
There are 1 cabin classes 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.
What is the cheapest airline that flies from Lambert-St Louis to San Jose?
Spirit Airlines, Hawaiian Airlines, and Southwest are the most popular carriers operating from Lambert-St Louis to San Jose
What airlines fly to San Jose?
United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to San Jose from St. Louis according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to San Jose. Keep in mind that there are 5 different airlines that fly to San Jose on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to San Jose on average per day?
As of June 2025, 1 flights take off from St. Louis and land in San Jose each day. The most common flight departure time for this route is 3:00PM, with 50% of daily flights taking off in the afternoon.
How many flights depart from St. Louis to San Jose on average per week?
The number of flights available between St. Louis and San Jose is 9 per week as of June 2025. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.
When to book flights from St. Louis to San Jose
Cheap St. Louis to San Jose (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
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 4h 10m 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?
As of June 2025, there are 5 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to San Jose is Airbus A319, representing 62.50% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 25.00% and Boeing 737-800 Passenger/BBJ2 (winglets) at 12.50%.
What is the most popular airline from St. Louis to San Jose?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to San Jose is Delta (41% of total bookings). The next most popular airlines are United Airlines (22%), Southwest (20%), and American Airlines (14%).
Best airlines flying from St. Louis to San Jose
Compare and see reviews for airlines that fly from St. Louis to San Jose with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $118 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $246 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $246 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 8.0 4,287 reviews |
Southwest Flights From St. Louis to San Jose
Southwest is one of the most popular airlines flying from St. Louis to San Jose, operating 9 flights/week on average for this route. A good Southwest flight deal for St. Louis to San Jose starts from $256 round-trip, up to an average price of $403. Our users have rated Southwest at 8.0/10.
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.