Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Sonoma from £356

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Sonoma are usually found in February or September, booked 51 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from London to Sonoma

Enter your travel dates to find the best prices.

Cheapest flights from London to Sonoma
Explore the most affordable flight options available from London to Sonoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Fri 13/209:30
LHR
-
SFO
1 stop14h 25m
United Airlines
Fri 27/213:20
SFO
-
LHR
1 stop14h 30m
United Airlines
Deal found 22/1£383
Wed 11/309:00
LHR
-
SFO
2 stops19h 39m
Air Canada
Tue 17/308:39
SFO
-
LHR
2 stops19h 41m
Air Canada
Deal found 20/1£383
Fri 30/109:00
LHR
-
SFO
2 stops19h 53m
Air Canada
Thu 5/207:30
SFO
-
LHR
2 stops19h 50m
Air Canada
Deal found 21/1£384
Wed 8/409:15
LGW
-
SFO
1 stop15h 00m
SWISS
Sun 19/419:35
SFO
-
LGW
1 stop28h 45m
SWISS
Deal found 21/1£384
Fri 30/109:00
LHR
-
SFO
2 stops19h 53m
Air Canada
Wed 4/208:25
SFO
-
LHR
2 stops17h 40m
Air Canada
Deal found 21/1£385
Wed 28/113:45
LHR
-
SFO
Nonstop11h 15m
United Airlines
Thu 26/217:25
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 20/1£386
Fri 13/316:40
LGW
-
SFO
1 stop30h 05m
TAP AIR PORTUGAL
Sat 21/317:35
SFO
-
LGW
1 stop33h 15m
TAP AIR PORTUGAL
Deal found 21/1£386
Fri 6/217:40
LCY
-
SFO
1 stop30h 50m
SWISS
Mon 9/219:25
SFO
-
LCY
1 stop13h 40m
SWISS
Deal found 20/1£386
Thu 29/110:05
LHR
-
SFO
Nonstop11h 15m
United Airlines
Wed 11/217:25
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 20/1£386
Wed 11/318:40
LGW
-
SFO
1 stop29h 50m
SWISS
Wed 18/320:25
SFO
-
LGW
1 stop14h 25m
SWISS
Deal found 20/1£386
Fri 13/209:55
LCY
-
SFO
1 stop18h 15m
Lufthansa
Tue 31/313:40
SFO
-
LCY
1 stop20h 15m
Lufthansa
Deal found 21/1£386
Thu 29/110:05
LHR
-
SFO
Nonstop11h 15m
Multiple Airlines
Wed 11/217:25
SFO
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 21/1£387

Find flight deals from London to Sonoma

Keep the following information in mind while searching for London to Sonoma flight deals. Data was last updated 22 January 2026.

Round-trip from

£383

One-way from

£356

Popular in

July

Cheapest in

February

Average price

£488
Austrian Airlines
  • Austrian Airlines
  • 13/2-31/3
  • Nonstop
  • 21h 55m total
  • London to Sonoma
Search Deals
24/3
  • 24/3
  • 2 total stops
  • 29h 10m total
  • London to Sonoma
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Sonoma that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 January 2026.
Use the filters below to find and compare flights from London to Sonoma that are best for you.

Fly from

London

Fly to

Sonoma

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 11/3

10:05-14:20

Nonstop11h 15m

San Francisco

Mon 30/3

12:55-07:25

Nonstop10h 30m

£386

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 6/3

10:05-13:20

Nonstop11h 15m

San Francisco

Mon 9/3

13:50-07:25

Nonstop10h 35m

£386

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 4/2

17:00-20:20

Nonstop11h 20m

San Francisco

Wed 18/2

17:25-12:00

Nonstop10h 35m

£386

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 21/2

10:05-13:20

Nonstop11h 15m

San Francisco

Sun 1/3

12:50-07:25

Nonstop10h 35m

£388

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 7/3

11:35-20:10

2 stops16h 35m

San Francisco

Sat 14/3

22:40-21:00

1 stop15h 20m

£395

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 22/5

06:30-12:40

1 stop14h 10m

San Francisco

Tue 2/6

19:45-14:10

Nonstop10h 25m

£398

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Mon 20/4

09:15-15:25

1 stop14h 10m

San Francisco

Sun 3/5

19:35-17:30

1 stop13h 55m

£403

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 1/5

16:15-19:20

Nonstop11h 05m

San Francisco

Fri 8/5

16:35-11:10

Nonstop10h 35m

£418

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 25/6

13:00-16:05

Nonstop11h 05m

San Francisco

Sun 5/7

10:10-09:40

1 stop15h 30m

£420

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 6/3

16:40-14:45

1 stop30h 05m

San Francisco

Fri 13/3

20:10-09:50

1 stop30h 40m

£434

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from London to Sonoma

Have a flexible travel schedule? Discover the best time to fly to Sonoma from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Sonoma

How far ahead should I book a flight from London to Sonoma?

Use this chart to determine the optimal time to book a return flight from London to Sonoma. Price data was last updated on 16 January 2026.

The price you pay for your flight from London to Sonoma may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London to Sonoma?

Currently, February is the cheapest month in which you can book a flight from London to Sonoma (average of £354). Flying from London to Sonoma in July is currently the most expensive (average of £443). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to SN9?

Find hourly flight availability from London to Sonoma. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 January 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Sonoma as you normally would.

Weekly flight availability from London to Sonoma

Explore weekly flight availability from London to Sonoma. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 January 2026.

The most flights from LON to SN9 are scheduled on a Monday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).

How much does it cost for a return flight from London to Sonoma?

Reviews of airlines servicing Sonoma

Get insights into the airlines that provide service to Sonoma. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sonoma. Reviews last updated 22 January 2026.
See what other customers who have flown with Austrian Airlines, Virgin Atlantic, andUnited Airlines from London to Sonoma have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
894 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Austrian Airlines
7.6
Good
894 reviews
Austrian Airlines
7.6
Good
894 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Virgin Atlantic
7.5
Good
678 reviews
Austrian Airlines
7.6
Good
894 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
United Airlines
7.4
Good
9,192 reviews
Austrian Airlines
7.6
Good
894 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Lufthansa
6.8
Okay
7,738 reviews
Austrian Airlines
7.6
Good
894 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
British Airways
6.7
Okay
7,690 reviews
Austrian Airlines
7.6
Good
894 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

Related info for your journey

Find useful and relevant information for your journey from London to Sonoma. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Sonoma?

    For as low as £386, United Airlines can have you in Sonoma from London in 11h 15m. Airlines will cover a distance of 5350 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from London to Sonoma one-way?

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at £249. TAP AIR PORTUGAL flights start at £270 while deals on WestJet start at £300 one-way.

  • What are the most popular routes from London to Sonoma?

    The most popular route from London to Sonoma is London Heathrow - San Francisco. You may also consider London Gatwick - San Francisco or London City - San Francisco.

  • What are the most reliable airlines from London to Sonoma?

    Consider KLM (82%), Air France (82%) or Delta (82%) when booking your flight. These represent the most reliable airlines when flying from London to Sonoma.

  • What are the cheapest flights from London to Sonoma?

    The cheapest flight price from London to Sonoma is £361. On average you can expect to pay £2,001. The most popular route, (London Heathrow - San Francisco), can usually be booked for £291.

  • Can I find deals for flights from London to Sonoma that include hotel bookings?

    Yes. In addition to deals on London to Sonoma flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Sonoma?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Sonoma.

  • Can I find deals for business class flights from London to Sonoma?

    Yes. Cheapflights offers flight deals from London to Sonoma by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Sonoma?

    Currently, February is the cheapest month in which you can book a flight from London to Sonoma (average of £354). Flying from London to Sonoma in July is currently the most expensive (average of £443). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Sonoma

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Los Angeles flights
Heathrow to Las Vegas flights
Heathrow to San Francisco flights
Gatwick to Los Angeles flights
Gatwick to Las Vegas flights
London City to Los Angeles flights
London City to Las Vegas flights
Stansted to Los Angeles flights
Stansted to Las Vegas flights
Heathrow to Ontario flights
Manchester to Las Vegas flights
Gatwick to San Francisco flights
London City to San Francisco flights
Luton to Los Angeles flights
Heathrow to San Diego flights
Stansted to San Francisco flights
Luton to Las Vegas flights
Heathrow to Santa Ana flights
Heathrow to Long Beach flights
Heathrow to San Jose flights
Manchester to Los Angeles flights
Luton to San Francisco flights
Gatwick to San Diego flights
London City to San Diego flights
Birmingham to Los Angeles flights
Stansted to San Diego flights
Manchester to Ontario flights
Gatwick to Burbank flights
Heathrow to Oakland flights
Heathrow to Burbank flights
Manchester to Santa Ana flights
Manchester to San Francisco flights
Gatwick to San Jose flights
Leeds to Los Angeles flights
Birmingham to Las Vegas flights
Edinburgh to San Francisco flights
Manchester to Long Beach flights
Edinburgh to Las Vegas flights
Newcastle upon Tyne to Las Vegas flights
Gatwick to Ontario flights
Heathrow to Sacramento flights
Gatwick to Santa Ana flights
Birmingham to San Francisco flights
Edinburgh to Los Angeles flights
Heathrow to San Luis Obispo flights
Manchester to Burbank flights
Leeds to Las Vegas flights
Gatwick to Oakland flights
London City to Santa Ana flights
Birmingham to Long Beach flights

Top 10 airlines flying from London to Sonoma

Discover the top 10 airlines that operate flights from London to Sonoma. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£237Average£571FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£335Average£480FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£349Average£552FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£352Average£555FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£353Average£531FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£355Average£455FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£358Average£450FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£373Average£512FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£374Average£527FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£374Average£642FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Sonoma?

Deals for London to Sonoma flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Sonoma?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Sonoma for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Sonoma with no change fees?

Need flexible booking options for your flight to Sonoma from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Sonoma become cheaper?

Yes! Start tracking prices for London to Sonoma flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.