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STL - SJO

$164 Find cheap flights from St. Louis to San José, San José Province

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to San José departing on 8/11. 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
0 bags
Sat 6/29
Sat 7/6

Search hundreds of travel sites at once for deals on flights to San José

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to San José.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to San José.
In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Cheap flight deals from St. Louis to San José (STL-SJO)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to San José 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 and deals for you by selecting your travel dates.
Choose your dates
10:34 am - 11:32 amSTL-SJO
25h 58m1 stop
1:45 pm - 10:14 pmSJO-STL
7h 29m1 stop
$275Spirit Airlines
Find Deal
Tue, Sep 24 - Wed, Oct 2
7:48 pm - 12:47 pmSTL-SJO
17h 59m1 stop
12:32 pm - 9:39 amSJO-STL
20h 07m1 stop
$290Spirit Airlines
Find Deal
Thu, Sep 5 - Mon, Sep 9
7:48 pm - 11:32 amSTL-SJO
16h 44m2 stops
12:32 pm - 9:39 amSJO-STL
20h 07m1 stop
$294Spirit Airlines
Find Deal
Thu, Sep 5 - Mon, Sep 9
2:35 pm - 11:32 amSTL-SJO
21h 57m2 stops
1:45 pm - 10:14 pmSJO-STL
7h 29m1 stop
$300Spirit Airlines
Find Deal
Tue, Sep 24 - Wed, Oct 2
8:55 am - 10:39 pmSTL-SJO
14h 44m1 stop
5:30 am - 10:15 pmSJO-STL
15h 45m1 stop
$322United Airlines
Find Deal
Wed, Jun 12 - Sun, Jun 16
7:00 am - 1:20 pmSTL-SJO
7h 20m1 stop
2:25 pm - 11:24 pmSJO-STL
7h 59m1 stop
$367American Airlines
Find Deal
Wed, Aug 21 - Thu, Aug 22
6:10 pm - 1:14 pmSTL-SJO
20h 04m2 stops
2:19 pm - 8:21 amSJO-STL
17h 02m2 stops
$371American Airlines
Find Deal
Tue, Sep 24 - Wed, Oct 2
6:15 am - 11:25 amSTL-SJO
29h 10m1 stop
2:20 pm - 10:15 pmSJO-STL
7h 55m1 stop
$376United Airlines
Find Deal
Mon, Nov 11 - Fri, Nov 22
7:15 am - 8:37 pmSTL-SJO
14h 22m1 stop
1:08 pm - 9:02 amSJO-STL
18h 54m1 stop
$623Delta
Find Deal
Sat, Jul 20 - Tue, Aug 6
11:30 am - 8:50 pmSTL-SJO
34h 20m2 stops
8:15 am - 3:21 pmSJO-STL
30h 06m2 stops
$1,725Air Canada
Find Deal
Fri, Jul 19 - Thu, Aug 8

Flights from St. Louis to San José - Travel Insights & Trends

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

What’s the cheapest day of the week to fly from St. Louis to San José?

The average price of all flights from St. Louis to San José, San José Province clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to San José on a Tuesday and more expensive on a Saturday. On your return trip to St. Louis, you should consider flying back on a Tuesday, and avoid Sundays for better deals.

What is the cheapest month to fly from St. Louis to San José, San José Province?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from St. Louis to San José, San José Province, 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 St. Louis to San José, San José Province is September, where tickets cost $441 on average. On the other hand, the most expensive months are December and March, where the average cost of tickets is $734 and $713 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from St. Louis to San José, San José Province, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from St. Louis to San José, San José Province, you should book around 2 days before departure. For the absolute cheapest price, our data suggests you should book 58 days before departure.

Good to know

Low season

April

High season

June

Cheapest flight

$164
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from St. Louis to San José

When to book flights from St. Louis to San José

Are your dates flexible? Find out the best times to travel from St. Louis to San José 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 St. Louis to San José

  • What is the cheapest flight from St. Louis to San José, San José Province?

    In the last 3 days, the lowest price for a flight from St. Louis to San José, San José Province was $164 for a one-way ticket and $275 for a round-trip.

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

    Yes, you'll most likely have to show a valid passport before boarding the plane in St. Louis and on arrival in San José.

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

    We unfortunately don’t have that data for this specific route.

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

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

  • Which is the best airline for flights from St. Louis to San José, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from St. Louis to San José are Delta and United Airlines. With an average price for the route of $591 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $637 and an overall rating of 7.4.

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

    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 St. Louis to San José.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San José from St. Louis 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 St. Louis to San José?

    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 San José with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and SJO 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 St. Louis to San José?

    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 San José from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from St. Louis to San José

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to San José. 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 St. Louis to San José? 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
DeltaOverall score based on 10457 reviews
7.4Food
7.9Comfort
8.6Crew
8.2Boarding
8.0Entertainment
Airline reviews

I've flown many many times on Northwest and then Delta. The crew on this flight were absolutely the best I've had the pleasure of being looked after by.

10.0 ExcellentAnonymous, May 2024MSP - YVR
Read more about Delta reviews

I've flown many many times on Northwest and then Delta. The crew on this flight were absolutely the best I've had the pleasure of being looked after by.

Flew first class so everything was great. But maybe because the flights were red eye, no meals were served, just chips. I flew Alaska Air 1st class at 9PM (2 hour flight) and they served beef short rib sliders!

Had to change aircraft due to a faulty door. Surprisingly it only caused about an hour and a half of delay. Delta handled this situation as well as can be expected.

Awful. Flight was continuously getting delayed and gates kept changing without any reason. Flight was delayed for more then 3 hours

Paid premium for Delta only to be on safe but tired old 767 with ancient cabin in mediocre condition. Poor wifi and horrible inflight entertainment. Hardly a premium experience. Should have flown SW and had fun flight crew and no pretense

Our flight to Zurich was delayed by almost 3 hours, so we missed our next flight. There was no indication it would be delayed this much. We were told the gate had changed and then it apparently took over 2 hours to load the "catering" on the plane. We were not compensated in any way for the trouble.

Rated entertainment as Mediocre as there were major problems with the Infotainment system that took probably a half hour for them to fix.

Your crew could maybe answer the call bell at least one of the times I pressed it. I pressed it first time with 2.5 hours left in our flight bc my partner was hungry and wanted a sandwich. We finally got the sandwich with 40 mins left in the flight.

Half the bathrooms assigned to economy were out of action

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

Well....let's start from the point that I had to stay in airport for 12 hours instead of 2 that was scheduled. Poor company and even worst customer service. Never again....

The flight and boarding were easy peasy. I was traveling with my 4-year-old, so a smooth boarding experience was especially appreciated. My only piece of feedback is really about where our gate was in O'Hare. They've shoved four gates into a tiny corner of the B terminal and there isn't early enough room or seating for everyone. Not United's problem, but did dent the overall experience.

We liked the fully reclinable seats. Had center seats, so it was difficult to talk to spouse. Crew was great

Aisle chair was good and liked the foot bar preventing you from putting your foot in the isle, The breakfast on this international flight to Zurich was horrible (Europeans, specially, used to good food) may make this a dealbreaker for booking with United Airlines again. I agreed with my Spanish fellow passenger.

Dinner was okay but the breakfast was not eatable on the flight San Francisco to Zurich.

There was no screens on board AND the WiFi didn’t work. My seat was broken and couldn’t recline so I couldn’t even sleep. The flight attendants didn’t offer anything to make it more comfortable. It was such an old cramped plane, when the person in front of me reclined I couldn’t even open my tray table. All the United ads talk about guaranteeing everyone gets a screen!

The Wi-Fi was unavailable on this flight for some reason.

The flight was delayed almost 2 hours. Bad customer service etc. I will never fly Luthansa. Ever!!!

On time take off…US cabins look tired and need of refresh!

Fine. Though no food or entertainment so the survey needs to be updated with those options.

28 hour delay at Fort Worth/Dallas airport, part due to weather which was unavoidable, but various other reasons - no pilot, no fa, mechanical problem, plane too small, too big, crew out of flying time, seat configuration problems.... endless and hourly updates with a different excuse. Finally told us about 3.00 am, that the flight was delayed to hours later.

Experience was bad. 3.5 hour delay for a 2.5 hour trip. There was no r Transparency about the reason for the delay and it was done 30 mins at a time.

Original flight delayed several times and finally canceled at 2:30 in the morning. Staff at the gate was not very helpful in resolving problems or communicating why there were delays. I spent 34 hours at the airport before I could leave, they couldn't book me on another early flight even after canceling my original flight. Next flight available after my original flight was canceled was 22 hours later. I will never fly American Airlines again.

very very tight seats unfriendly crew who do not seem to care about the comfort of their passengers and do not know how to smile poor ground staff support at LHR and PHX

The boarding process and flight were great. However, I waited about 40 minutes for my luggage. It did not come up on the designated belt. Instead, everyone’s bags were on a cart. Not sure what the issue was, but we were not informed until another passenger went looking for her bags and found them.

There were delays on both ends. It made it less than excellent. This plane was great though

AA1537 the AC was not working properly. It was very hot and uncomfortable.

So uncomfortable to sit in the tiny space on a long, international. Food was rough. Please, less white flour and processed food.

Worst experience flying American Airlines. I fly with them often, so I was super disappointed in the service I received at gate 30 in LGA on May 24, mid-day. The flight was delayed twice. I was patiently waiting in the American Airlines lounge when I received the notice on my app that the plane was boarding 45 minutes before its newly re-scheduled take off of 4 pm (from the orginal 1:45 pm then 3:00 pm). It took me 5 min to travel from the lounge to the gate and when I arrived there at 3:20 flight gate attendant told me the flight had closed and that they announced for passengers multiple times. I showed them the notification on my app and they were really rude and unempathetic. The person who rescheduled my flight at customer service wasn't any happier but was at least helpful in getting me on the next flight.

Flight was 1/2 hour delayed leaving Phoenix. Otherwise it was an average flight. Flight crew on this trip was very nice.

Unable to initiate refund/reschedule the ticket #worst experience #lost 900$

Flight was delayed for almost 3 hours. Communication of gate change was poor. Email and screen said one gate and it was a different gate from that. Gate changed first to 64 B and then to 64 C. Originally it was 68B. 64C was not communicated properly!

This was a red eye return, so I doubt there would be anyway to make it better. Other than adding beds.

Direct nonstop flight was great. Flight was delayed and the crew announced a 2h delay on the sound system. 30 min or so later I hear my name on the sound system for immediate board. Several other passangers were late too. Reason: The crew incorrectly announced a 2h delay when in reality they meant a new boarding time at 2pm.

Plenty of room in the exit row. Sat on the plane an hour before taking off.☹️ Landed late and had to wait for gate availability.

Flight was on time early arrival better entertainment good staff.everything was excellent

Delayed leaving. On arrival we were taken to the airstrip and had to get off onto an over crowed bus, not all that passengers fit. Drove around the airport for 20 + minutes. Taken off the bus told to go upstairs 3 flights then all the passengers had to walk a mile or more , those of us old there was no one to direct us to were to go. I asked several people with no answers. Once I got to baggage claim my bags were not on the right bag claim. Once again asked for help and finally someone found my bags on a different carasel. Very frustrating.

Excellent host on board. Not so friendly check-in staff. Older plane with no food or entertainment due to short flight. Friendly captain and crew.

I don’t think there was entertainment? No mention of it. It was a good flight. Only complaint was my seat cushion was not attached and kept slipping.

They canceled the flight on us very close to the flight date .

EVERYTHING WAS WONDERFUL HOSPITALITY THE HELP.THE SEATING FRIENDLY ALWAYS HAVE A GOOD RIDE NOT ONE BAD EXPERIENCE WITH THEM

This was the smoothest flight I have had in awhile. I was also offered an exit row seat for a great upgrade cost and was able to sleep almost thr whole flight due to comfort and a smooth flight. We left on time and arrived on time.

No food not even water offered unless you buy it and no usb in the seat but other than that everything was good

Because our flight from marsh Harbor to Fort Lauderdale was over three hours delayed it caused us to miss our flight in Fort Lauderdale. Because we missed that flight, it cost us nearly $100 apiece for four different travelers which totaled nearly $400. We are seeking a reimbursement for the flight that we missed in Fort Lauderdale Florida.

Flight expected to leave at 6:40 pm ended leaving at 8:00 am the following day. I slept in a cold airport. Never again Spirit for me…

Flight was cancelled just 6 days before. No more flights that day, and the following date was sold out. Had to obtain a refund and buy more expensive flights on another airline.

The flight was on time and nice as always for me with spirit but the cabin crew were not good. They left the lights on on a red eye for the entire flight.

This was the return leg of my journey with Spirit Airlines. Despite its reputation, I found no issues as it got me from point A to B safely and without delay, especially with no mechanical delays, which is fantastic in my book! The staff, from ground crew to cabin crew, were all pleasant and hassle-free. The flight was smooth from takeoff to landing. I have absolutely no complaints about this no-frills airline!

I got a one-way, last-minute nonstop flight from PDX to BWI for only $125. Yes, I got nicked $79 more for a checked suitcase and $89 more for the BIG SEAT option, but it was worth it, even with $4.50 for coffee and $10 for a snack (the latter no different than any other airline). The grand total was still less flying on any other airline.

It was the worst ever, i will be filing a lawsuit to get a refund. Our flight was delayed 4 hours so we would miss our connecting flight, we were not rebooked to our destination the same day, we were not offered any options to get home on the same day despite being clear that we absolutely cannot get stranded at night due to family, we were forced to book our own flights on a different airline to get home, and spririt is refusing a refund because our flight wasn't cancelled, only delayed. oh yeah, and they lost our luggage on the first part of the trip and you cannot get a hold of customer service when anything goes wrong, on hold for 30+ minutes. and their app breaks so you can't use that either.

Book cheap flights from St. Louis to San José

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from St. Louis to San José found on KAYAK in the last 72 hours.
8/11Sun
1 stopAmerican Airlines
8h 50mSTL-SJO
$164
8/11Sun
2 stopsAmerican Airlines
13h 43mSTL-SJO
$171
7/15Mon
2 stops
29h 32mSTL-SJO
$220
7/15Mon
3 stops
37h 05mSTL-SJO
$233
7/15Mon
1 stop
18h 12mSTL-SJO
$238

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Last minute flights from St. Louis to San José

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from St. Louis to San José that are departing in the next 10 days.
6/4Tue
multi-stop
37h 09mSTL-SJO
6/10Mon
multi-stop
12h 24mSJO-STL
$372
6/4Tue
multi-stop
29h 25mSTL-SJO
6/10Mon
multi-stop
12h 24mSJO-STL
$386
6/4Tue
multi-stop
37h 09mSTL-SJO
6/10Mon
multi-stop
8h 58mSJO-STL
$402
6/3Mon
multi-stop
24h 17mSTL-SJO
6/10Mon
multi-stop
12h 24mSJO-STL
$417
6/4Tue
multi-stopUnited Airlines
11h 42mSTL-SJO
6/11Tue
multi-stopUnited Airlines
13h 20mSJO-STL
$449
6/3Mon
multi-stopSpirit Airlines
17h 41mSTL-SJO
6/10Mon
multi-stopSpirit Airlines
12h 24mSJO-STL
$491
6/4Tue
multi-stopSpirit Airlines
22h 02mSTL-SJO
6/5Wed
multi-stopSpirit Airlines
15h 29mSJO-STL
$504
6/4Tue
multi-stopUnited Airlines
17h 24mSTL-SJO
6/6Thu
multi-stopUnited Airlines
9h 55mSJO-STL
$529
6/4Tue
multi-stopAmerican Airlines
12h 25mSTL-SJO
6/6Thu
multi-stopAmerican Airlines
10h 13mSJO-STL
$608
6/3Mon
multi-stopAmerican Airlines
11h 48mSTL-SJO
6/11Tue
multi-stopAmerican Airlines
10h 13mSJO-STL
$654

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St. Louis - San José Flights

Departure:

St. Louis (STL)United States

Destination:

San José (SJO)Costa Rica

Return flight deals:

San José - St. Louis

Cabin classes: