Flights from San Francisco to London from $778

SFO

San Francisco

49h 40m avg

LON

London

Flights from

$778

Compare 2 options across 2 airlines

Updated 1 month ago

$778

Cheapest Flight

$885

Average Price

Direct Flights

Airlines

Looking for the return flight? London to San Francisco from $791

LON → SFO Flights

Compare All SFO to LON Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

2 of 2 flights

Airline	Schedule	Stops	Duration	Price
TK TK · 80	18:50 SFO 20:30 LON	0 stop(s)	49h 40m	$778 Best	Book →
SK SK · 936	Schedule on partner site	1 stop(s)	—	$992	Book →

Airport Information

Key details about departure and arrival airports for this route

SFO

San Francisco International Airport

City: San Francisco
Country: US
Type: Large Airport
Elevation: 13 ft

SFO Airport Guide →

Tips for San Francisco to London Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book SFO–LON flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $885, but prices as low as $778 are available. That’s a potential saving of 22% compared to the most expensive option.

✈ Direct vs Connecting

No direct flights currently listed. Consider flexible dates or nearby airports for better connections.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on SFO–LON is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Top Hotels in London

Book accommodation at your destination — top-rated stays near LON airport

Hammersmith Belle

London

10.0 $111/night

Modern: 2BR Flat Near Queen Mary Uni + Tube Access

London

10.0 Check Price

Elegant Stay In London | 7 mins to Norbury Station

London, 4★

10.0 $222/night

Modern Stylish Retreat 15 Mins to Central London

The Isleworth Garden Retreat | 3BR 2BA with Gated

London, 3★

10.0 $298/night

Frequently Asked Questions

Everything you need to know about flying SFO to LON

What is the cheapest flight from San Francisco to London?

The cheapest flight from San Francisco (SFO) to London (LON) currently starts at $778 with TK. Prices are updated regularly and may vary by date and availability.

How many airlines fly from SFO to LON?

We found 2 airline(s) operating on the SFO–LON route, including TK, SK.

Are there direct flights from San Francisco to London?

No direct flights are currently listed on this route. All available options involve at least one stop. Consider flexible dates or nearby airports for better connection options.

What is the average flight price on this route?

The average flight price from San Francisco to London is approximately $885. Prices range from $778 to $992 depending on airline, time, and class.

How long is the flight from SFO to LON?

The average flight duration from San Francisco to London is approximately 49 hours 40 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on SFO–LON flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.

From $778

Book Cheapest →