STL

$102 Find Cheap Flights from San Francisco Bay Area 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 to St. Louis departing on 5/9. 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

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Flight Deals

Cheap Flights from San Francisco Bay Area to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco Bay Area 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 Francisco Bay Area to St. Louis

Mon, Mar 30 - Thu, Apr 2
Frontier Logo
8:20 pm - 11:19 am
SJC
-
STL
12h 59m
1 stop
Frontier Logo
10:12 pm - 7:37 pm
STL
-
SJC
23h 25m
1 stop
$275Frontier
Mon, Mar 30 - Thu, Apr 2
Frontier Logo
8:20 pm - 11:19 am
SJC
-
STL
12h 59m
1 stop
Frontier Logo
10:12 pm - 7:37 pm
STL
-
SJC
23h 25m
1 stop
$281Frontier
Mon, Mar 30 - Thu, Apr 2
Frontier Logo
8:20 pm - 11:19 am
SJC
-
STL
12h 59m
1 stop
Frontier Logo
10:12 pm - 7:37 pm
STL
-
SJC
23h 25m
1 stop
$301Frontier
Wed, Apr 8 - Tue, Apr 14
Southwest Logo
8:20 am - 6:00 pm
SJC
-
STL
7h 40m
1 stop
Southwest Logo
1:45 pm - 6:15 pm
STL
-
SJC
6h 30m
1 stop
$312Southwest
Tue, Apr 7 - Sat, Apr 11
American Airlines Logo
2:02 pm - 10:59 pm
SJC
-
STL
6h 57m
1 stop
American Airlines Logo
5:20 am - 10:07 am
STL
-
SJC
6h 47m
1 stop
$317American Airlines
Tue, Apr 14 - Tue, Apr 21
Alaska Airlines Logo
7:00 am - 11:59 pm
OAK
-
STL
14h 59m
1 stop
Alaska Airlines Logo
3:50 pm - 10:08 pm
STL
-
OAK
8h 18m
1 stop
$317Alaska Airlines
Wed, Apr 8 - Tue, Apr 14
Southwest Logo
9:05 am - 8:20 pm
SJC
-
STL
9h 15m
2 stops
Southwest Logo
1:45 pm - 6:15 pm
STL
-
SJC
6h 30m
1 stop
$318Southwest
Tue, Apr 7 - Sat, Apr 11
American Airlines Logo
12:46 pm - 10:59 pm
SJC
-
STL
8h 13m
2 stops
American Airlines Logo
5:20 am - 10:07 am
STL
-
SJC
6h 47m
1 stop
$322American Airlines
Tue, Apr 28 - Wed, Apr 29
Alaska Airlines Logo
2:09 pm - 11:59 pm
OAK
-
STL
7h 50m
1 stop
Alaska Airlines Logo
4:46 pm - 9:13 am
STL
-
OAK
18h 27m
1 stop
$330Alaska Airlines
Sun, May 3 - Wed, May 6
Multiple Airlines Logo
11:16 pm - 2:36 pm
SFO
-
STL
13h 20m
1 stop
Multiple Airlines Logo
12:27 pm - 11:01 pm
STL
-
SFO
12h 34m
2 stops
$359Multiple Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$102
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 5% lower on average.
Flight from San Francisco to St. Louis

FAQs for booking flights from San Francisco Bay Area to St. Louis

  • How does KAYAK find such low prices on flights from San Francisco Bay Area 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 Francisco Bay Area to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco Bay Area 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 Francisco Bay Area 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 Francisco Bay Area 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 Francisco Bay Area with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco Bay Area 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 Francisco Bay Area up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from San Francisco Bay Area to St. Louis

 
Need help choosing which airline to fly with from San Francisco Bay Area 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 4320 reviews
8.0Comfort
8.6Crew
7.5Entertainment
7.0Food
8.1Boarding
Airline reviews

The problem with the seat assignments is that there were a lot of rows in the front that were empty but my row at the back was full. Just not so pleasant.

8.0 ExcellentTobin, Mar 2026
SJC - BUR
Read more Southwest reviews

The problem with the seat assignments is that there were a lot of rows in the front that were empty but my row at the back was full. Just not so pleasant.

Good but I prefer choose your own seat. With the new assigned seats they should board from the back I see no advantage to this new boarding. Just like every other airline

Flight boarded late after announcing on time boarding. Flight arrived only a little late despite late departure. Had trouble connecting to WiFi

I have not flown Southwest in awhile and had a very pleasant experience. From ticketing to boarding to the flight. The flight left on time and landed ahead of schedule. It won't be so long next time!!

The Southwest experience has definitely taken a dive from its early days. You can no longer deferentiate from other airlines. Air travel is too expensive. Southwest is no longer budget friendly. They have lost me as a loyal customer.

Great plane, great attendants,great flight crew,on time. Wonderful flight home..

The charges were ridiculous for an hour flight and the turbulence was very scary.

The seats are now more narrow. I paid for front row the seats in the front are even more narrow than before.

The wifi on the plane is great. The only issue that I have is that I prefer an aisle seat and on my trips this week, I was either in the middle or window. If we can work to secure aisle seating, I will be thrilled. Nice trip.

Everything went smoothly and we even arrived a little bit early.

I was in first class and literally the men behind me were so aggressively loud I moved myself to economy. This has become so common on Delta - people using audio without headphones, and men on 12am / late night flights drinking and yelling to talk to each other which prevents anyone around them from resting. Pretty crazy to have to move from first to economy (poorer service, less comfort...). Wild wild. Looking into other airlines.

Flight was delayed by 3-hours and their fix was… complimentary pretzels.

The crew, and fellow passengers, were super gracious and kind. There seemed to be plenty of bin space even though the plane was full. It’s nice to get a glass of wine with dinner in Premiere seating, and there was a lot of food.

Everything I mentioned earlier - the airbus was more comfortable indeed and the experience was further enhanced.

The plane was an older model, so it wasn’t as comfortable as others. The flight attendants were not helpful during onboarding. It was a full flight so there was chaos finding space for baggage.

Awesome! On time flight, early arrival, and a complimentary upgrade!

We departed early and made up time in the air allowing us to arrive 30 minutes early. Capt was incredibly genuine and thanked every passenger for flying with Delta. Completely humble and professional!

Delta One is extraordinary. I fly business when somebody hires me. I just wonder why there is such a chasm between business class and the insanely inhumane and nonsensical coach. The seats are not large enough to fit even my tiny wife. We fly 10% of what we did because we don’t want to pay 5-10 k but for $400 it’s unbearable. It seems like the accountants took over and made stupid decisions. Screw in 20 extra seats and make it so unbearable that people fly 90% less. Just put the damn price up and put some proper chairs in. But business, yay.

Delta’s staff is unmatched. From the gate agents, to the pilots, to the flight attendants… all top of the industry.

The flight was delayed for about 2 hrs. Other than it, it was good.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

Staff were good. My seat was in need of repair, but for a short flight was not problematic. Usual basic snack and drink setup that you'll find on any US carrier. Over, a decent, basic flight.

Complimentary light meal would be appreciated. But great flight crew service on all legs

Flight delayed for more than 16 hrs and no effort was spent to provide an alternate

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

Airport terminal was outdated, flight was on a small jet with no wifi

it was a very short flight so my expectations were low.

Very disappointing given gate agent behavior. Filed a formal complaint with United.

Crew was great (professional, attentive, prompt). Snacks for 4 hrs flight is deplorable.

Flight delayed. WiFi connectivity very poor if not existant. Last minute arrival forced me to run to catch my connection.

Delay after delay with little communication then AA lost my luggage and at airport would not assist just said scan this QR code to track your luggage and submit a claim. However QR code provided did not work so have to go back to airport

Dloght delayed by 2.5 hrs . Common theme in my last four american floghts

They are rarely on time! Very hard to plan your travels when flights or connections keep getting delayed.

My seat was assigned last row behind restrooms No legroom’s I’m very Pettit Still was not comfortable Food choice was excellent

The chicken wrap was tiny ($13 for what looked like a 1/3 of a normal wrap?) and disgusting.

Mediocre would be best description. Food bland. Seat biz class uncomfortable to sleep. Crew never dimmed lights completely in an overnight flight to Europe. Would avoid AA if possible.

Small plane, poor meal choices for first class, bad terminal and boarding experience at LAX

Massimo, flight attendant was very authentic, attentive - wonderful. Food/wrap was just okay.

Experience was great. The best part is the free Wi-Fi connection which helps me to work on the flight

The flight was fine. It's the satellite terminal that supports American eagle flights is what sucks. There is only one food option and everything there is way overpriced. I mean I know it's airport pricing, but it's even crazier than that. I bought a sandwich in a plastic container for $18.

My flight was originally from SAT to MCO connecting from MCO to ORD. We got diverted to ATL and than Frontier staff there was sooo un helpful first they said they couldn’t give us any accommodation since our flight first got delayed that cancelled and now it’s 221am and I am still in ATL since they said they need to create a new flight my final destination is ORD and I have been delayed twice and cancelled. With no real help the frontier app didn’t work no email updates over all such a horrible experience

There's no seats that lean back with little leg space i wad uncomfortable the entire flight. Your charges for extra baggage is despicable and costly!!

Remind customers of the need to have passport or new ID for boarding.

Flight was canceled. Most upsetting was message from Kayak, stating that the flight was canceled and click with Kayak for details regarding rebook, refund details. THERE'S NO INFORMATION PROVIDED BY KAYAK EXCEPT THAT FLIGHT IS CANCELED. AND NOW THIS SURVEY TO FIND OUT HOW WAS THE FLIGHT !!!!!!!

The flight never took off and we spent 7 hours at the airport

It was ok. It was expensive to check 2 bags ($75.00 per bag), and then it took a long time to wait for shuttle to take us from one terminal to the terminal where the plane was taking off at LAX. And all of this for a flight where we had to pay for any food or drink that was not water.

When I wanted to check in 3 hours prior to boarding time, the employees mentioned “a little over an hour delay” so I waited for an hour then I went to go look for food in the terminal and most people from that flight were in the same area looking for food. Finally I decided after food to check to see if it’s anytime closer and now it’s 2 mins until boarding closes?! What are you kidding me? I didn’t receive anything via sms about boarding now nor via email or on the intercom. I luckily made it through, barely, and then there’s no room for my carry on mind you I’m in the very first row so I had to place my purse in one further row back and my carry on sections down. Not sure who pays for better seats to get your stuff placed all over the plane but that was the worst experience I’ve ever had flying with anyone.

This airline sucks. They offer low rates then charge you for everything, the app does not work well, the seats are the most uncomfortable. Maintenance issues on the flight, and you still have to sit through their credit card commercials. People are nice enough but does not make up for overall poor experience.

Cancelled flight after I arrived at airport after 75 min drive and parking. Next flight was 4 days in the future. Had to scramble and buy a much more expensive flight on another carrier.

I liked the turn-style feature at gate 209B at LAX. Very efficient process. The gate staff also made several, clearly directed announcements so I felt very informed.

Traveling to a place near St. Louis?

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Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis