Best Flights starting from $43
from$43economy
Phoenix (PHX)
Thu, Apr 23
One-way
San Francisco (SFO)
—
from$80economy
Phoenix (PHX)
Fri, Apr 17
One-way
San Francisco (SFO)
—
from$80economy
Phoenix (PHX)
Mon, Apr 20
One-way
San Francisco (SFO)
—
from$80economy
Phoenix (PHX)
Tue, Apr 21
One-way
San Francisco (SFO)
—
from$86economy
Phoenix (PHX)
Sat, Apr 18
One-way
San Francisco (SFO)
—
from$86economy
Phoenix (PHX)
Wed, Apr 22
One-way
San Francisco (SFO)
—
from$123economy
Phoenix (PHX)
Sun, Apr 19
One-way
San Francisco (SFO)
—
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Other Destinations
Phoenix (PHX) to San Diego (SAN) in April from $46
From $46
Phoenix (PHX) to Denver (Any) in April from $56
From $56
Phoenix (PHX) to Santa Ana (SNA) in April from $79
From $79
Phoenix (PHX) to Cleveland (CLE) in April from $91
From $91
Phoenix (PHX) to Tampa (TPA) in April from $95
From $95
Phoenix (PHX) to Philadelphia (PHL) in April from $100
From $100
Flights from Other Cities
Los Angeles (LAX) to San Francisco (SFO) in April from $56
From $56
Newark (EWR) to San Francisco (SFO) in April from $80
From $80
Dallas (Any) to San Francisco (SFO) in April from $105
From $105
Chicago (Any) to San Francisco (SFO) in April from $125
From $125
Seattle (SEA) to San Francisco (SFO) in April from $148
From $148
Dallas (DFW) to San Francisco (SFO) in April from $149
From $149
✈️ Flight Guide: Phoenix (PHX) → San Francisco (SFO)
Complete travel information for your April journey
Departing from Phoenix (PHX) FAQs
San Francisco International Airport (SFO) is a major West Coast hub with frequent low-cost and legacy carrier departures; to find cheap economy flights, compare fares across low-cost carriers and legacy airlines and search 6–8 weeks in advance for domestic trips and 2–4 months for long-haul. Use flexible dates and consider midweek departures to reduce price; for last-minute deals sign up for fare alerts. Search cheap flights from San Francisco International Airport (SFO) now to compare bargains and book early for the best economy deals.
San Francisco International Airport (SFO) is connected by BART, SamTrans buses, airport shuttles, ride-share services, and regional trains to nearby cities like San Jose, Oakland, Palo Alto, and Sacramento. For the cheapest transfers use BART or shared airport shuttles; consider buying transit day-passes if you plan multiple stops. Plan your connection to the airport ahead to avoid peak surcharges and save on overall trip costs.
As of the current month, San Francisco International Airport (SFO) follows U.S. federal and state travel guidance; mask requirements and testing rules can change seasonally, so verify airline and CDC pages before travel. International travelers should check passport, visa, and entry testing rules for their destination, and enroll in health/travel registries if required. Always check airline notifications for updated boarding and baggage policies prior to departure from San Francisco International Airport (SFO).
For March travel, search 6–10 weeks ahead and be flexible with midweek or red-eye departures from San Francisco International Airport (SFO); spring shoulder season often yields lower economy fares than peak summer. Use fare comparison tools, set price alerts, and consider nearby departure options like Oakland or San Jose if schedules and fees still keep you within budget. Start searching cheap flights from San Francisco International Airport (SFO) today to lock in early-spring economy savings.
To save on economy fares departing San Francisco International Airport (SFO), travel light with carry-on-only when possible, prepay for checked bags online to get lower rates, and avoid choosing premium seats at booking to keep the base fare low. Join airline loyalty programs or credit-card partnerships that offer free checked bags or priority boarding to frequent travelers from San Francisco International Airport (SFO). Review baggage size and weight limits for your carrier to avoid surprise fees at the gate.
San Francisco International Airport (SFO) provides frequent service to major domestic hubs like Los Angeles, Seattle, Denver, and New York, and international gateways including London, Tokyo, and Mexico City; nearby major cities commonly accessed include San Jose, Oakland, Palo Alto, Sacramento, and Santa Cruz. Use SFO’s hub connectivity to combine low-cost domestic legs with international economy fares for overall savings. Search cheap flights from San Francisco International Airport (SFO) to top destinations to compare price-lowering itineraries.
Arriving at San Francisco (SFO) FAQs
Arriving on a cheapest economy fare (ECONOMY) typically means the base ticket has the lowest price but often excludes checked bags, advanced seat assignments, and flexible changes. Review the airline’s fare rules before booking and consider adding baggage or seat selection if needed—prepaying online is usually cheaper than gate fees. Always check for bundled economy options or loyalty benefits that may include baggage or seat perks.
Compare cheapest economy offers by using fare comparison tools, filtering by total price (including baggage and seat fees), and checking both the airline site and third-party aggregators; be sure to include taxes and ancillary fees for an accurate comparison. Use filters for basic economy versus standard economy and view the full fare rules to avoid surprises at check-in. Set price alerts and check alternative nearby airports to find the best overall cost in economy.
In August, peak summer travel increases demand, so book cheapest economy fares as early as possible and look for mid-August or late-month dates when demand softens; use flexible-date searches to spot lower fares. Consider flights with red-eye departures or routing through budget hubs to reduce costs, and sign up for fare alerts focused on August travel windows. Compare SFO departures with nearby airports for potential savings.
Passenger protections vary by carrier and jurisdiction; U.S. regulations require airlines to provide certain information and assistance, and many carriers offer rebooking or refunds for significant delays or cancellations on cheapest economy fares. Check the airline’s Contract of Carriage and EU/other local regulations if traveling internationally. Consider travel insurance or refundable fare options if you need more robust protection for economy travel.
Passengers on cheapest economy flights from San Francisco International Airport (SFO) often connect to domestic hubs such as Los Angeles, Seattle, Denver, and Phoenix, and international connecting points like Vancouver, London, or Tokyo depending on destination. Nearby cities frequently used for alternative routing include San Jose, Oakland, and Sacramento. Use these hubs strategically to lower fare costs while keeping connection times reasonable.
To upgrade affordably from cheapest economy, monitor upgrade offers during online check-in, use loyalty miles or credit card vouchers if available, and watch for last-minute upgrade emails from the carrier. Some airlines provide discounted paid upgrades at check-in or via mobile notifications; bidding systems are sometimes available for premium economy. Always compare the cost of upfront higher-tier fares to upgrade offers to ensure true savings.
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Events & Festivals Impacting Economy Fares from San Francisco International Airport (SFO)
Major events and festivals near San Francisco and popular destinations serviced by San Francisco International Airport (SFO) can significantly increase economy fares; examples include Bay to Breakers, Fleet Week, and technology conferences. For dates with large events, book cheapest economy fares well in advance or shift travel to non-event days to reduce cost. Monitor local event calendars and set alerts for the dates you plan to travel to avoid paying premium event surcharges.
Best Time to Fly: When to Book Cheap Economy Flights from San Francisco International Airport (SFO)
The best time to book cheap economy flights from San Francisco International Airport (SFO) is typically 6–8 weeks in advance for domestic travel and 2–4 months for international routes; shoulder months (January, September, October) often offer the lowest fares. Traveling midweek and avoiding major holidays improves your chances of finding the cheapest economy fares. Use alerts and flexible-date searches to time purchases when prices dip.
Direct vs Connecting Flights: Cost Tradeoffs for Economy Travelers from San Francisco International Airport (SFO)
Direct flights from San Francisco International Airport (SFO) are more convenient but often cost more than connecting itineraries, especially in cheapest economy fares. Connecting through budget-friendly hubs (Los Angeles, Phoenix, Denver) can reduce the ticket price, though it increases travel time and the risk of missed connections. Weigh total travel time and potential delay risks versus savings when selecting the cheapest economy option; CTA: Compare direct and connecting cheap flights from San Francisco International Airport (SFO) to decide which fits your priorities.
Airline Comparison for Cheap Economy Travel from San Francisco International Airport (SFO)
When seeking the cheapest economy fares from San Francisco International Airport (SFO), compare both low-cost carriers (Spirit, Frontier, Southwest) and legacy airlines (United, Alaska, Delta) for total cost including seats and baggage. Low-cost carriers often advertise lower base fares but charge for extras, while legacy carriers may include one carry-on or checked bag on certain fares—always compare the out-the-door price. Use loyalty programs and credit-card benefits to offset fees and capture the best economy-value combination.
Seasonal Travel Tips for Cheaper Economy Flights from San Francisco International Airport (SFO)
Use shoulder seasons (January, September, October) to find cheaper economy fares from San Francisco International Airport (SFO), and avoid peak holiday windows unless booked well in advance. In winter, allow additional connection time for weather delays; in summer, book earlier to avoid price surges. Consider nearby airports (San Jose, Oakland) and midweek departures to increase your chances of finding the cheapest economy tickets.
Flight Time and Schedules: San Francisco International Airport (SFO) - Cheapest Economy (ECONOMY)
Flight times and schedules from San Francisco International Airport (SFO) vary by route and carrier; choosing off-peak departure times such as late-night or midweek can often yield cheaper economy fares. For many cross-country and international itineraries, early morning and late-night connections through hubs like Los Angeles, Seattle, and Denver may lower costs. Check schedule reliability when selecting the cheapest economy flights to avoid long layovers or tight connections.
Cheap Flights Guide: San Francisco International Airport (SFO) to Cheapest Economy (ECONOMY)
To find cheap flights from San Francisco International Airport (SFO) to the cheapest economy options, use flexible-date searches, set fare alerts, and compare both airline and OTA prices; include total cost (ancillaries) in comparisons. Consider nearby departure airports (San Jose, Oakland) and midweek or red-eye flights to reduce price. Act on price drops quickly—CTA: Search cheap flights from San Francisco International Airport (SFO) today to compare the best economy deals.