Best Flights starting from $210
from$210economy
St Louis (STL)
Thu, Apr 9
Roundtrip
San Francisco (SFO)
Wed, Apr 29
from$230economy
St Louis (STL)
Mon, Apr 6
Roundtrip
San Francisco (SFO)
Sun, Apr 26
from$252economy
St Louis (STL)
Wed, Apr 8
Roundtrip
San Francisco (SFO)
Tue, Apr 28
from$283economy
St Louis (STL)
Tue, Apr 7
Roundtrip
San Francisco (SFO)
Mon, Apr 27
from$384economy
St Louis (STL)
Sat, Apr 11
Roundtrip
San Francisco (SFO)
Fri, May 1
from$405economy
St Louis (STL)
Sun, Apr 12
Roundtrip
San Francisco (SFO)
Sat, May 2
from$445economy
St Louis (STL)
Fri, Apr 10
Roundtrip
San Francisco (SFO)
Thu, Apr 30
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Other Destinations
St Louis (STL) to Orlando (MCO) in April from $83
From $83
St Louis (STL) to Miami (MIA) in April from $90
From $90
St Louis (STL) to Phoenix (PHX) in April from $115
From $115
St Louis (STL) to Las Vegas (LAS) in April from $143
From $143
St Louis (STL) to Las Vegas (Any) in April from $158
From $158
St Louis (STL) to Miami (Any) in April from $160
From $160
Flights from Other Cities
Los Angeles (LAX) to San Francisco (SFO) in April from $28
From $28
Phoenix (PHX) to San Francisco (SFO) in April from $43
From $43
Los Angeles (LAX) to San Francisco (SFO) in April from $56
From $56
Los Angeles (Any) to San Francisco (SFO) in April from $56
From $56
Newark (EWR) to San Francisco (SFO) in April from $80
From $80
Boston (BOS) to San Francisco (SFO) in April from $86
From $86
✈️ Flight Guide: St Louis (STL) → San Francisco (SFO)
Complete travel information for your April journey
Departing from St Louis (STL) FAQs
Search airlines and OTAs for economy fares early in the booking window, monitor price trackers, and consider midweek departures from San Francisco International Airport (SFO). June is a busy travel month for SFO due to summer travel—book 6–8 weeks ahead and use flexible-date search to capture lower fares on Tuesdays and Wednesdays.
San Francisco International Airport (SFO) serves nearby major cities and popular destinations including San Jose, Oakland, Sacramento, Los Angeles, Las Vegas, Seattle, New York City, and London. These destinations are well-served by both legacy and low-cost carriers offering frequent economy flights.
Use BART (Bay Area Rapid Transit) direct to the International Terminal, rideshares, airport shuttles, or long-term parking depending on your schedule. For early morning economy flights, BART and pre-booked shuttles offer reliable, cost-effective transport to San Francisco International Airport (SFO).
Arrive 90 minutes before domestic economy departures and 2–3 hours for international flights at San Francisco International Airport (SFO). Use online check-in, enroll in TSA PreCheck if eligible, and pack liquids and electronics to speed up screening.
December peak holiday travel raises economy fares at San Francisco International Airport (SFO), especially around Christmas and New Year’s. Book earlier, be flexible with travel dates, and consider departing on off-peak days like December 23 or 27 to save on the cheapest available economy fares.
Arriving at San Francisco (SFO) FAQs
Economy Fare (ECONOMY) typically includes a basic seat, carry-on allowance, and standard boarding; baggage and seat selection may be extra depending on the airline. Check your specific carrier's economy rules and arrival procedures—budget fares often require online check-in and stricter change/cancellation policies.
Economy passengers from San Francisco International Airport (SFO) often travel to Los Angeles, Las Vegas, Phoenix, Denver, Mexico City, Honolulu, Seattle, and New York City. These routes typically have frequent economy options from both legacy carriers and low-cost airlines offering competitive cheapest fares.
Arrival procedures for economy passengers follow the same immigration and baggage claim rules as other classes, but budget travelers should allow extra time for checked bag queues and customs lines. Use mobile passport control where available and track your bags with the airline app to streamline arrival at major hubs.
December arrivals often encounter longer immigration and baggage queues due to holiday travel; arriving earlier at the airport to collect luggage and plan ground transport reduces stress. If traveling on economy fares during December, pre-book airport transfers or rideshares and expect peak traffic to nearby cities.
Compare public transit, shuttle services, rideshares, and airport express buses—public transport and shared shuttles typically offer the cheapest options. For major destinations from San Francisco International Airport (SFO), BART, regional buses, and shared van services often undercut solo rideshare prices.
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Events & Festivals Impacting Economy Fares at San Francisco International Airport (SFO)
Local events and festivals greatly influence flight demand and economy fares at San Francisco International Airport (SFO). Major annual events such as Bay to Breakers, Fleet Week, Outside Lands (summer), and holiday conventions spike demand—plan travel outside these dates or book early. International events and major sporting tournaments can also drive up prices to nearby destinations; check event calendars when hunting for the cheapest economy fares.
Best Time to Fly from San Francisco International Airport (SFO) for Cheap Economy Fares
The best time to fly from San Francisco International Airport (SFO) for economy fares is generally during shoulder seasons (late January–March and September–October) when demand is lower and airlines offer sales. Midweek departures (Tuesday–Thursday) and early-morning or red-eye flights often have the cheapest economy seats. For holiday periods like December and July, book far in advance to avoid premium pricing; use fare alerts and flexible-date searches to identify the best booking windows.
Direct vs. Connecting Flights from San Francisco International Airport (SFO): Economy Cost Comparison
Direct flights from San Francisco International Airport (SFO) are faster but often cost more in economy class, whereas connecting flights—especially through budget hubs—can yield the cheapest fares. Evaluate total travel time, layover length, and potential savings; sometimes a one-stop itinerary via Los Angeles or Phoenix substantially reduces economy fares. If minimizing cost is the priority, use multi-carrier searches and be flexible with connection cities and times.
Airline Comparison for Economy Fares from San Francisco International Airport (SFO)
When comparing airlines for economy travel from San Francisco International Airport (SFO), weigh base fare, baggage fees, seat selection charges, and on-time performance. Low-cost carriers may offer the cheapest headline price but add fees; legacy airlines can be competitive when including baggage and change flexibility. Use combined cost-per-trip comparisons and loyalty program benefits to determine the best overall value for your route and month.
Seasonal Travel Tips for Finding Cheap Economy Flights from San Francisco International Airport (SFO)
Seasonal travel tips for economy passengers include booking shoulder-season travel for lower fares, traveling midweek, and using flexible airports to expand cheap flight options from San Francisco International Airport (SFO). In summer and December, expect higher fares and reduce costs by selecting connecting flights, flying red-eyes, or choosing less popular nearby airports. Always check airline change/cancellation rules for cheap economy fares and purchase travel protection when necessary.
Flight Times & Schedules from San Francisco International Airport (SFO) for Economy Travelers
Typical nonstop flight times from San Francisco International Airport (SFO) vary by destination: about 1.5 hours to Los Angeles, 2–3 hours to Seattle or Denver, 5–6 hours to New York City, and 10+ hours for intercontinental routes. Economy schedules offer red-eye, early-morning, and mid-day options—use airline timetables and real-time schedule databases to plan. For the cheapest economy fares, select off-peak times such as midweek or nighttime flights, and be aware of seasonal schedule changes in summer and December.
Cheap Flights Guide: San Francisco International Airport (SFO) to Economy Destinations
Find cheap flights from San Francisco International Airport (SFO) to economy destinations by using flexible-date searches, monitoring flash sales, and comparing low-cost carriers with legacy airlines. Use keywords like 'cheap flights from SFO', 'economy fares', and 'lowest price SFO tickets' when searching; try nearby airports (Oakland International Airport (OAK), Norman Y. Mineta San Jose International Airport (SJC)) to expand options. Sign up for fare alerts, check midweek departures, and consider connecting flights to access the cheapest economy seats.