Best Flights starting from $472
from$472economy
London (LHR)
Sun, Oct 11
One-way
San Francisco (SFO)
—
Fields updated — click View Prices to search ↑
Other Options for This Route
Other Destinations
London (LHR) to Amsterdam (AMS) in October from $82
From $82
London (LHR) to Valletta (MLA) in October from $111
From $111
London (LHR) to Hong Kong (HKG) in October from $420
From $420
London (LHR) to Ahmedabad (AMD) in October from $426
From $426
London (LHR) to Boston (BOS) in October from $455
From $455
London (LHR) to Miami (MIA) in October from $520
From $520
Flights from Other Cities
Los Angeles (LAX) to San Francisco (SFO) in October from $39
From $39
Portland (PDX) to San Francisco (SFO) in October from $59
From $59
Burbank (BUR) to San Francisco (SFO) in October from $80
From $80
Los Angeles (Any) to San Francisco (SFO) in October from $125
From $125
Dallas (DFW) to San Francisco (SFO) in October from $126
From $126
Vancouver (YVR) to San Francisco (SFO) in October from $138
From $138
✈️ Flight Guide: London (LHR) → San Francisco (SFO)
Complete travel information for your October journey
October departures from London Heathrow Airport (LHR) to San Francisco International Airport (SFO) typically experience moderate autumn demand: cooler weather in London and steady transatlantic schedules. Expect slightly higher business-traveler traffic during weekdays and family travel around UK half-term; Friday and Sunday evenings are often busiest. For best fares, book 6–10 weeks in advance and search flexible dates using Google Flights or airline fare alerts. Consider the Heathrow Express or Elizabeth Line for the fastest city connections to LHR, and plan for potential rain-related delays when traveling across London in October. CTA: Search cheap flights LHR to SFO for October now and set fare alerts to capture the best transatlantic deals.
Departing from London (LHR) FAQs
London Heathrow Airport (LHR) maintains standard security screening, passport control, and recommended arrival times for international flights. For October departures to San Francisco, airlines typically advise arriving at least 3 hours before departure to allow for bag drop, security, and possible extra health checks; busy weekend periods in October (half-term and early autumn holidays) may require additional time. Check your airline's online check-in window and Heathrow's official website before traveling to minimize delays.
Yes, there are nonstop flights between London Heathrow Airport (LHR) and San Francisco International Airport (SFO) operated by major carriers; frequency can increase in October due to business travel and seasonal demand. Nonstop schedules may change slightly on weekends and for seasonal adjustments, so check airline timetables or Google Flights for specific October dates. Booking early often yields better fares and more nonstop seat availability.
London Heathrow Airport (LHR) is served by the Heathrow Express from London Paddington, the Elizabeth Line, London Underground (Piccadilly Line), and multiple coach and bus services. In October, expect regular schedules but allow extra time for morning and evening peak traffic; the Heathrow Express remains the fastest rail option (15–20 minutes from Paddington). Consider advance booking for airport transfers or using contactless/Oyster on TfL services for convenience.
Baggage allowances depend on the carrier and fare class; most transatlantic airlines include one checked bag for economy standard fares or offer it for purchase. In October, check your airline's specific weight, size limits, and carry-on restrictions to avoid airport fees; oversized, sports, or musical instruments may require advance notification. Always verify the allowed dimensions and fees on your airline's website before traveling.
October in London brings cooler temperatures, more rain, and occasional disruption from seasonal strikes or industrial action; these factors can affect travel times to London Heathrow Airport (LHR). Always monitor both Heathrow notices and airline updates in October, as mid-autumn travel can coincide with school half-term or public transport maintenance. Consider travel insurance and flexible tickets during this month to mitigate unexpected changes.
London Heathrow Airport (LHR) offers a wide range of lounges (airline and pay-per-use), restaurants, duty-free shopping, and business facilities across terminals 2, 3, 4, and 5. In October you can expect seasonal menus and autumn retail promotions; premium passengers should check lounge access rules and opening hours which can vary. Families should note play areas and baby facilities, while business travelers can use workspaces and fast Wi-Fi in many lounges.
Arriving at San Francisco International Airport (SFO) from London Heathrow Airport (LHR) in October offers pleasant weather for exploring the Bay Area, with easy access to San Francisco, Oakland, San Jose, Silicon Valley, and Napa Valley. Expect moderate temperatures and lively festival calendars that can affect hotel pricing and ground transport; use BART for quick downtown connections or prebook ride-shares/rental cars for flexibility. For faster processing, enroll in Global Entry where available, and prepare documentation for U.S. customs. CTA: Check live SFO arrival times and book your Bay Area transfers early to secure the best October rates.
Arriving at San Francisco (SFO) FAQs
On arrival at San Francisco International Airport (SFO), expect standard U.S. immigration and customs procedures, which include passport control and possible secondary inspection. In October, processing times can vary—allow 45–90 minutes for immigration depending on passenger loads and Global Entry availability; domestic connections to Oakland or San Jose can add transfer time. Plan ground transportation ahead, including BART, courtesy shuttles, rideshare pickup areas, or rental car services.
October in San Francisco often brings mild, dry weather with daytime highs in the mid-60s°F (18–20°C) and cooler evenings; microclimates mean fog can still appear near the coast. Pack layered clothing—light jacket, long sleeves, and a windbreaker—especially after coming from cooler London temperatures; comfortable shoes are recommended for city walking. If you plan to visit nearby Napa Valley or Silicon Valley, pack slightly warmer options for evenings.
San Francisco International Airport (SFO) provides convenient access to nearby major cities and destinations such as San Francisco, Oakland, San Jose, Silicon Valley (Palo Alto, Mountain View), and Napa Valley. Public transit (BART to downtown San Francisco and connections to Oakland), Caltrain via shuttle, and rental cars offer flexible travel options to these destinations. For day trips in October, consider visiting Napa for harvest activities or Silicon Valley for tech tours.
Yes, October hosts events like Napa harvest festivals, Fleet Week-style maritime events (in some years), tech conferences in Silicon Valley, and local cultural festivals that can increase hotel demand and ground-transport traffic. Business conferences in San Francisco and nearby cities often occur in autumn and can impact airport taxi and rideshare availability. Book accommodations and transfers in advance if traveling to the Bay Area in October to secure the best rates.
San Francisco International Airport (SFO) offers BART rapid transit to downtown San Francisco and onward connections to Oakland and the East Bay, airport shuttles to nearby hotels, rideshare pickup zones, taxis, and an extensive rental car center with multiple major brands. In October, rental demand can rise due to winery season and conferences, so reserve vehicles ahead to secure availability and better rates. For longer stays or multi-city travel (Oakland, San Jose), compare rental and rideshare costs to choose the most economical option.
Most international carriers offer connection assistance, rebooking help, and lost baggage services for passengers arriving from London Heathrow Airport (LHR) to San Francisco International Airport (SFO). In October, if flights are disrupted by weather or operational issues, airlines may provide hotel and meal vouchers depending on their policy and the ticket class purchased. Immediately report missing baggage at the airline desk in the arrivals hall and keep documentation to speed up claims.
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October Events and Festivals Impacting LHR to SFO Travel
October brings harvest season events in Napa Valley, tech conferences in Silicon Valley and San Francisco, and cultural autumn festivals in London that can affect hotel and flight demand between London Heathrow Airport (LHR) and San Francisco International Airport (SFO). Business conferences in San Francisco (e.g., tech meetups or trade shows) can push up mid-week demand, while Napa harvest festivals swell weekend travel. Plan and book ahead if your trip coincides with major conventions or seasonal celebrations to avoid higher fares and limited hotel availability. CTA: Check event calendars for London and the Bay Area and book flights LHR to SFO early if your travel overlaps major October events.
Best Time to Fly from London Heathrow Airport (LHR) to San Francisco International Airport (SFO) in October
For October travel, the best time to fly from London Heathrow Airport (LHR) to San Francisco International Airport (SFO) is mid-week (Tuesday–Thursday) and outside of major UK school holiday windows to find lower fares and fewer crowds. Early-morning or late-evening departures can also be cheaper and less congested; however, red-eye flights may mean arriving in SFO in the morning and losing a night’s sleep. If you want better weather in the Bay Area, early to mid-October often provides warm days and clear skies—book early to secure optimal seats and fares. CTA: Compare mid-week October dates to find the best combination of price and schedule for your LHR→SFO trip.
Direct vs Connecting Flights: London Heathrow (LHR) to San Francisco (SFO) in October
Nonstop flights from London Heathrow Airport (LHR) to San Francisco International Airport (SFO) save significant time (roughly 10–11 hours airborne) and reduce connection risk, making them ideal for business travelers or those wanting to minimize disruptions. Connecting flights can be cheaper, offer more schedule flexibility, and provide the possibility to split the journey for a stopover in cities like New York, Chicago, or Los Angeles. In October, weigh the price savings against longer total travel time; if you have tight schedules or short trips, nonstop is often worth the premium. CTA: Search both nonstop and one-stop October itineraries to compare total door-to-door travel time and price.
Airline Comparison for LHR to SFO in October: British Airways, Virgin Atlantic, United and Partners
British Airways and Virgin Atlantic commonly operate nonstop services between London Heathrow Airport (LHR) and San Francisco International Airport (SFO) offering a choice of premium cabins, inflight entertainment, and transatlantic meal service. United Airlines may offer one-stop options via U.S. hubs with competitive pricing and strong connections to Silicon Valley and the West Coast. Compare baggage allowances, change/cancellation policies, and frequent-flyer benefits—October promotions or code-share deals can influence value. CTA: Compare October flight options across carriers and use airline loyalty benefits to maximize value when booking LHR to SFO.
Seasonal Travel Tips for October: London Heathrow (LHR) to San Francisco (SFO)
Pack layers for the LHR→SFO route in October: London will be cooler and wetter, while San Francisco often has warm, dry afternoons and cool evenings. Bring a compact umbrella for London and a windproof jacket for the Bay Area; comfortable walking shoes are recommended for city exploration. Allow extra time for transfers during event-heavy weekends and keep digital copies of travel documents and health insurance. CTA: Prepare an October packing checklist and check live weather forecasts for both London and the Bay Area before you fly.
Flight Time and Schedules: London Heathrow Airport (LHR) to San Francisco International Airport (SFO) in October
Nonstop flights from London Heathrow Airport (LHR) to San Francisco International Airport (SFO) typically take about 10 to 11 hours, depending on winds and route. In October, airlines maintain regular transatlantic schedules with increased frequency on key business days; connecting itineraries usually route via U.S. hubs like Chicago or Los Angeles and add 2–6 hours. When choosing flights, consider red-eye departures from LHR for daytime arrival in SFO or mid-day options if you prefer daytime flying. CTA: Check live October schedules for flights LHR to SFO and book a departure time that aligns with your arrival plans in the Bay Area.
How to Find Cheap Flights from London Heathrow Airport (LHR) to San Francisco International Airport (SFO) in October
To find cheap flights from London Heathrow Airport (LHR) to San Francisco International Airport (SFO) in October, search 6–10 weeks in advance and use fare-tracking tools like Google Flights and Skyscanner. Mid-week departures (Tuesday–Thursday) often yield lower round-trip prices, while early-morning or late-night transatlantic departures can be cheaper. Consider flexible dates and nearby airports (departing from LHR but open to return via London Stansted or Gatwick can sometimes lower prices) and mix-and-match airlines on search engines to get the best fare. Sign up for airline newsletters and set price alerts for 'flights LHR to SFO' to capture flash sales. CTA: Set a fare alert now and compare nonstop and one-stop options to find the cheapest October ticket.