London (Heathrow) to San Francisco Flights
Everything you need to know about the LHR → SFO international route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.
✈️ Route Overview
Key facts for the London (Heathrow) to San Francisco route
🛫 Airlines on This Route
Carriers operating LHR → SFO flights
| Airline | Notes |
|---|---|
| Delta | SkyMiles frequent flyer program |
| American Airlines | AAdvantage frequent flyer program |
| United | MileagePlus frequent flyer program |
| British Airways | Operates this route |
| Lufthansa | Operates this route |
| Air France | Operates this route |
💡 Booking Tips
How to get the best deal on London (Heathrow) to San Francisco flights
Best Days to Fly
Avoid Monday and Friday peak business travel; midweek is cheaper
Fare Range
$480-$2110 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.
Red-Eye Flights
✓ Available
Overnight flights on this route can save on hotel costs and maximize your time at the destination.
Track Your Flight
Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.
🧳 Travel Tips for This Route
Practical advice from frequent travelers on the LHR → SFO route
- 1 Carry a universal power adapter for European outlets.
- 2 Consider open-jaw itineraries to maximize European exploration.
- 3 At 5,353 miles, consider Premium Economy for extra comfort on this long-haul flight.
🏢 Airport Guides
Full terminal, transit, and traveler info for both airports
Track Your LHR → SFO Flight — Automatically
TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.
Frequently Asked Questions — London (Heathrow) to San Francisco Flights
How long is the flight from London (Heathrow) to San Francisco?
The average flight time from London (Heathrow) (LHR) to San Francisco (SFO) is 10h 25m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.
Which airlines fly from London (Heathrow) to San Francisco?
Airlines operating the LHR to SFO route include Delta, American Airlines, United and 3 more. Check each airline's website for current schedules and availability.
How far is London (Heathrow) from San Francisco?
The great-circle distance from London (Heathrow) to San Francisco is 5,353 miles (8,615 km). This is the straight-line distance — actual flight paths may be slightly longer.
What are the cheapest days to fly from London (Heathrow) to San Francisco?
Avoid Monday and Friday peak business travel; midweek is cheaper. Fares on this route typically range $480-$2110 round trip.
Is there a time zone change flying from London (Heathrow) to San Francisco?
Yes — there is a -8 hours when flying from London (Heathrow) to San Francisco. TripTrack automatically shows local times for both your departure and arrival airports.
Are there red-eye flights from London (Heathrow) to San Francisco?
Yes, overnight (red-eye) flights are available on the LHR to SFO route. These can be a great way to save on hotel costs and maximize time at your destination.
How can I track my London (Heathrow) to San Francisco flight in real time?
TripTrack automatically tracks your LHR to SFO flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.