STL to SFO

St Louis to San Francisco Flights from US$190 + Up to 20% Off

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

Live fares from the airlines No hidden charges Transparent cancellation policy 24×7 booking support

Cheapest fareUS$190Delta Air Lines

Fastest5h 58mgate to gate

Options today99flights on this route

St Louis to San Francisco flight booking guide

Quick answers to the most common questions about flying St Louis to San Francisco.

Are direct St Louis to San Francisco flights available?

No non-stop option appears in the current route snapshot. Available itineraries may include one or more stops; use the Stops filter to compare them.

Best time or month to book

There is no permanently cheapest month because airline inventory changes continuously. As a practical starting point, compare nearby dates and begin checking international trips 6–12 weeks before departure; peak holidays may need earlier booking.

Cheapest days for this route

Among the dates currently shown, Tuesday has the lowest displayed fare at $190. This is a live snapshot, not a guaranteed weekly rule.

Baggage rules

Allowance is fare-specific, not just airline-specific. Current cards show examples such as 0 Pieces, 2 Pieces check-in baggage. Open the fare choices and verify cabin/check-in baggage before continuing.

Cancellation and refund explanation

Refundable and non-refundable labels are shown on each card. Exact airline cancellation charges, no-show rules and refund timelines are verified for the selected fare before booking; promotional discounts and applicable charges are adjusted from any refund.

Secure booking support

FlyX rechecks the live fare before payment, shows the payable amount and provides 24×7 booking support. Payment, refund, cancellation and help links are available in the footer.

Airlines flying from St Louis to San Francisco

Compare fares, stops, baggage and refundability across the airlines flying this route.

United Airlines St Louis to San Francisco flights

from $24041 flights

United Airlines cheap flights St Louis to San Francisco

Fares start from $240 on this route.

St Louis to San Francisco United Airlines flight schedule

41 departures — compare timings in the list above.

American Airlines St Louis to San Francisco flights

from $24026 flights

American Airlines cheap flights St Louis to San Francisco

Fares start from $240 on this route.

St Louis to San Francisco American Airlines flight schedule

26 departures — compare timings in the list above.

Delta Air Lines St Louis to San Francisco flights

from $19017 flights

Delta Air Lines cheap flights St Louis to San Francisco

Fares start from $190 on this route.

St Louis to San Francisco Delta Air Lines flight schedule

17 departures — compare timings in the list above.

Qatar Airways St Louis to San Francisco flights

from $2,10411 flights

Qatar Airways cheap flights St Louis to San Francisco

Fares start from $2,104 on this route.

St Louis to San Francisco Qatar Airways flight schedule

11 departures — compare timings in the list above.

Alaska Airlines St Louis to San Francisco flights

from $2734 flights

Alaska Airlines cheap flights St Louis to San Francisco

Fares start from $273 on this route.

St Louis to San Francisco Alaska Airlines flight schedule

4 departures — compare timings in the list above.

St Louis to San Francisco flight details

Cheapest fare	US$190 · Tue, 18 Aug
Fastest flight duration	5h 58m · United Airlines
First departure of the day	05:42 · American Airlines
Last departure of the day	20:07 · American Airlines
Flights currently available	99
Popular airlines on this route	United Airlines, American Airlines, Delta Air Lines, Qatar Airways, Alaska Airlines
Airport codes	St Louis–STL, San Francisco–SFO

Fares and timings are indicative — the exact price is confirmed with the airline when you search.

St Louis to San Francisco flight schedule, timing and fares

St Louis to San Francisco flight schedule and timing

Around 99 flights operate on this route. Departures run through the day — the first flight leaves around 05:42 and the last around 20:07. The fastest flight takes about 5h 58m.

Morning vs evening St Louis–San Francisco fares

Lowest fare by departure window: Morning from $190, Afternoon from $190, Night from $240, Evening from $240. Early-morning and late-night flights are often cheaper than peak daytime slots.

What is today’s lowest airfare from St Louis to San Francisco?

The lowest fare we are currently showing is US$190, on a Tuesday departure. Airfares change through the day, so search your dates for the exact price.

Should I book one-way or round-trip for St Louis to San Francisco?

Domestic fares are usually priced per leg, so two one-ways often cost about the same as a round-trip and keep your return date flexible. Round-trip is worth choosing when you want a single PNR for both legs, and eligible coupons like FLYX20 apply either way.

Which airlines should I consider for St Louis to San Francisco?

United Airlines (41 flights, from $240), American Airlines (26 flights, from $240), Delta Air Lines (17 flights, from $190), Qatar Airways (11 flights, from $2,104), Alaska Airlines (4 flights, from $273). Compare fare type, baggage and refundability — the cheapest airline is not always the best value for your dates.

Web check-in for your St Louis to San Francisco flight

Most airlines open web check-in 24–48 hours before departure on their own website or app using your PNR. Checking in early lets you pick better seats free of charge on many fares; FlyX also links every booking’s airline check-in page from Web Check-in.

How to book a St Louis to San Francisco flight on FlyX

1
Enter your travel details
Choose one-way or round-trip, pick your dates and travellers in the search form above.
2
Compare live results
Sort or filter the St Louis–San Francisco results by price, departure time, stops and airline.
3
Open the fare choices
Check baggage allowance and refundability for each fare type before continuing.
4
Review the final price
FlyX rechecks the live fare with the airline; any eligible coupon is applied automatically.
5
Pay securely
UPI, cards, net banking and wallets supported; your e-ticket is emailed within minutes.

Why book your St Louis to San Francisco flight with FlyX?

If you are looking for St Louis to San Francisco flight tickets at the best possible fare, FlyX keeps the process simple and transparent. Enter your dates and travellers, compare live fares across every major airline on this route, and filter by price, departure time, stops or airline to find the flight that actually fits your plan. Every fare you see is rechecked live with the airline before payment, so the price you approve is the price you pay — no hidden charges added at checkout.

And that is not all — eligible discounts like FLYX20 are applied automatically on the review page, payments run over 256-bit SSL with UPI, cards, net banking and wallets, and our 24x7 support team backs every booking as an IATA-accredited travel company. Refund and cancellation rules are shown clearly for each fare before you pay, and your e-ticket lands in your inbox within minutes. So why wait? Book your St Louis to San Francisco flight on FlyX and take off with genuine savings today.

St Louis to San Francisco flight offers & coupon codes

Coupon code	Offer	Max saving
FLYX20	Up to 20% Off on Flights	₹1,500

Your discount is applied automatically on the review page before you pay. View full terms.

Frequently asked questions - St Louis to San Francisco flights

Is it worth booking St Louis to San Francisco flights in advance?

Yes, booking flights in advance helps you secure cheap flight tickets. Comparing air ticket prices 3–4 weeks early gives you better visibility of airline timings, baggage policies, and fare rules before high-demand periods push prices up.

How far is St Louis from San Francisco by air?

The approximate direct air distance between St Louis (STL) and San Francisco (SFO) is 2,785.88 km. The actual flight duration and route path vary depending on airline schedules and wind conditions.

Are there non-stop flights from STL to SFO?

Non-stop flight availability depends on the airline schedule and departure date. You can filter the live search results by stops to view direct flights, one-stop connections, and transit flights instantly.

Why does the price change after clicking Book Now?

Airline seat inventory and airfares change dynamically in real-time. Selecting 'Book Now' runs a live fare verification check to ensure you get the most accurate price before final booking confirmation.

Can I compare nearby dates?

Yes, you can easily compare flights for nearby dates. Select any date on the date calendar strip to refresh the fares, compare air ticket pricing, and choose the most budget-friendly travel day.

St Louis to San Francisco - what to expect when booking

The STL to SFO cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 2,785.88 km.

Before you book

Compare nearby dates

The date strip opens the complete search result for the route and selected date.

Use filters

Shortlist by price, stops, departure time and refundable fare preference.

Check fare choices

Continue to Booking opens the verified fare choices, including baggage and refundability, before review.

Book Cheapest Flight from St Louis to San Francisco on FlyX

Securing the best airfare from St Louis to San Francisco is all about planning. FlyX's real-time fare tracking system allows you to check flight options and lock in the lowest ticket prices before they rise:

Book at least 3-4 weeks in advance to secure the most competitive St Louis to San Francisco airfares.
Consider traveling mid-week (Tuesdays or Wednesdays) to bypass weekend pricing surges.
Early morning or late-night departure flights consistently offer lower fares than afternoon slots.
Use our live calendar view above to easily spot fare changes on nearby dates.

Find the Lowest airfare from St Louis to San Francisco

Cheapest Fare	Fare	Date	Airline	Departure
Lowest Airfare Today	$190	18/08/2026	Delta Air Lines	11:13
Cheapest Airfare Within 30 Days	$186	29/08/2026	Delta Air Lines	11:13
Cheapest Airfare Within 90 Days	$180	28/10/2026	Delta Air Lines	11:13

Book St Louis to San Francisco Flight Tickets on FlyX

Planning to fly from St Louis to San Francisco? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.

St Louis to San Francisco Flight Distance, Duration and Time

The aerial distance between St Louis and San Francisco is approximately 2,786 KM. The flight duration ranges from 5H :58 M up to 57H :35 M depending on whether you book a non-stop flight or a connecting schedule with layovers.

St Louis to San Francisco Flight Schedule and Timing

Around 99 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from St Louis at 05:42, while the last night flight leaves at 20:07. Flights depart from Lambert-St Louis Intl and land at San Francisco International.

Flight Route Details & Analysis

Flight Details	Information
Route	St Louis to San Francisco
Aerial Distance	2,786 KM
Flight Duration	5H :58 M - 57H :35 M
Airport Codes	St Louis - STL, San Francisco - SFO
Total Flights Available	99 flights (0 direct)
First Flight Departure	Departs at 05:42
Last Flight Departure	Departs at 20:07
Early Morning Flights (12 AM - 8 AM)	24 direct/indirect flights
Morning Flights (8 AM - 12 PM)	36 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)	25 direct/indirect flights
Evening Flights (4 PM - 8 PM)	12 direct/indirect flights
Night Flights (8 PM - 12 AM)	2 direct/indirect flights

Airport Information & Terminals

STL: St. Louis airport. St. Louis airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.

SFO: San Francisco International Airport. SFO connects by BART to the city, while cabs or app rides are easier for Silicon Valley, family luggage or late arrivals. Fog and bridge traffic can affect plans.