Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Sonoma from £379

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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Sonoma are usually found in September or February, booked 51 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from London to Sonoma

Keep the following information in mind while searching for London to Sonoma flight deals. Data was last updated 25 November 2025.

Round-trip from

£440

One-way from

£379

Popular in

July

Cheapest in

September

Average price

£473
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 11/1-17/1
  • 2 total stops
  • 45h 00m total
  • London to Sonoma
Search Deals
14/12
  • 14/12
  • 2 total stops
  • 36h 40m total
  • London to Sonoma
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 25 November 2025.

Mon 24/1106:00LHR - SFO
1 stop16h 35mTAP AIR PORTUGAL
Mon 1/1216:35SFO - LHR
1 stop21h 00mTAP AIR PORTUGAL
Deal found 23/11£443
Mon 15/1206:00LHR - SFO
1 stop16h 35mTAP AIR PORTUGAL
Wed 21/116:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 23/11£443
Mon 15/1207:50LHR - SFO
1 stop15h 45mBritish Airways
Thu 8/117:30SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 24/11£447
Fri 12/1219:50LHR - SFO
2 stops26h 45mScandinavian Airlines
Sun 18/116:40SFO - LHR
1 stop15h 20mScandinavian Airlines
Deal found 23/11£447
Tue 9/1216:35LGW - SFO
1 stop29h 55mTAP AIR PORTUGAL
Mon 12/116:35SFO - LGW
1 stop15h 10mTAP AIR PORTUGAL
Deal found 22/11£448
Wed 10/1219:30LHR - SFO
1 stop27h 05mScandinavian Airlines
Fri 9/116:40SFO - LHR
2 stops17h 50mScandinavian Airlines
Deal found 24/11£449
Fri 12/1213:40LHR - SFO
1 stop33h 05mTAP AIR PORTUGAL
Mon 19/116:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 23/11£453
Sat 6/1206:40LHR - SFO
1 stop15h 55mScandinavian Airlines
Mon 12/116:40SFO - LHR
1 stop17h 50mScandinavian Airlines
Deal found 23/11£456
Thu 4/1217:55LHR - SFO
2 stops29h 40mBritish Airways
Tue 9/1217:20SFO - LHR
1 stop14h 15mBritish Airways
Deal found 24/11£456
Thu 11/1215:35LHR - SFO
1 stop16h 36mFinnair
Sat 27/1220:40SFO - LHR
Nonstop10h 30mFinnair
Deal found 24/11£457
Fri 12/1214:10LHR - SFO
2 stops27h 32mAmerican Airlines
Wed 7/107:00SFO - LHR
1 stop18h 15mAmerican Airlines
Deal found 24/11£458
Sun 23/1110:40LGW - SFO
1 stop35h 55mTAP AIR PORTUGAL
Mon 1/1216:35SFO - LGW
1 stop15h 10mTAP AIR PORTUGAL
Deal found 22/11£459

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 25 November 2025.
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

STN - SFO

STNSFO

London Stansted

Fri 6/2

15:15-14:35

2 stops31h 20m

San Francisco

Mon 9/2

16:40-21:20

2 stops20h 40m

£444

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 12/1

21:25-14:30

2 stops49h 05m

San Francisco

Mon 26/1

16:35-15:45

1 stop15h 10m

£453

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 2/3

19:50-14:35

2 stops26h 45m

San Francisco

Tue 10/3

17:40-18:50

2 stops18h 10m

£454

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 23/2

18:40-16:30

1 stop29h 50m

San Francisco

Mon 2/3

19:25-17:50

1 stop14h 25m

£464

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 25/2

09:00-16:30

1 stop15h 30m

San Francisco

Mon 9/3

05:05-09:40

1 stop21h 35m

£467

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 15/1

11:45-15:00

Nonstop11h 15m

San Francisco

Wed 28/1

20:40-15:10

Nonstop10h 30m

£469

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 4/12

11:45-15:00

Nonstop11h 15m

San Francisco

Wed 10/12

17:30-12:00

Nonstop10h 30m

£470

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 15/1

11:45-15:00

Nonstop11h 15m

San Francisco

Wed 28/1

11:15-12:20

1 stop17h 05m

£472

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 15/1

21:05-14:35

2 stops25h 30m

San Francisco

Wed 28/1

13:35-18:30

2 stops20h 55m

£475

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 9/12

08:50-15:35

1 stop14h 45m

San Francisco

Tue 16/12

17:20-16:50

1 stop15h 30m

£477

Flights are sorted by cheapest return flights first.

Deals found on 22/11

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 21 November 2025.

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, April is the cheapest month in which you can book a flight from London to Sonoma (average of £348). Flying from London to Sonoma in July is currently the most expensive (average of £468). 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 25 November 2025.

One of the essential ways to save on airfare from London to Sonoma is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 17% on airfare.

What is the cheapest day to fly from London to Sonoma?

Use this chart to determine the cheapest time to fly return from London to Sonoma. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Sonoma flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 25 November 2025.

The most flights from LON to SN9 are scheduled on a Tuesday (31 on average). You will have fewer flight options on Monday, 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 25 November 2025.
See what other customers who have flown with KLM, 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.
KLM
7.7
Good
1,420 reviews
Check prices

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,420 reviews
KLM
7.7
Good
1,420 reviews
Check prices

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,420 reviews
Check prices

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,038 reviews
KLM
7.7
Good
1,420 reviews
Check prices

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,583 reviews
KLM
7.7
Good
1,420 reviews
Check prices

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,535 reviews
KLM
7.7
Good
1,420 reviews
Check prices

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 £454, TAP AIR PORTUGAL can have you in Sonoma from London in 26h 45m. 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 Lufthansa, which is currently one of the cheapest options available, starting at £382. United Airlines flights start at £386 while deals on Finnair start at £388 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 Air New Zealand (84%), 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 £330. On average you can expect to pay £2,196. The most popular route, (London Heathrow - San Francisco), can usually be booked for £369.

  • 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, April is the cheapest month in which you can book a flight from London to Sonoma (average of £348). Flying from London to Sonoma in July is currently the most expensive (average of £468). 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
London City to Los Angeles flights
Stansted to Los Angeles flights
Gatwick to Las Vegas flights
Heathrow to Ontario flights
Gatwick to San Francisco flights
Heathrow to Santa Ana flights
Luton to Los Angeles flights
London City to Las Vegas flights
Heathrow to Burbank flights
London City to San Francisco flights
Heathrow to San Jose flights
Heathrow to San Diego flights
Heathrow to Oakland flights
Stansted to San Francisco flights
Stansted to Las Vegas flights
Luton to San Francisco flights
Manchester to Las Vegas flights
Gatwick to Santa Ana flights
Luton to Las Vegas flights
Gatwick to Burbank flights
Gatwick to San Jose flights
Heathrow to Long Beach flights
Gatwick to Oakland flights
Manchester to Los Angeles flights
Gatwick to San Diego flights
London City to San Diego flights
Manchester to San Francisco flights
Manchester to Ontario flights
Manchester to Santa Ana flights
Edinburgh to San Francisco flights
Heathrow to Sacramento flights
Manchester to Burbank flights
Birmingham to Las Vegas flights
Manchester to Long Beach flights
Southend to Los Angeles flights
Stansted to San Diego flights
Edinburgh to Los Angeles flights
Gatwick to Sacramento flights
Manchester to San Jose flights
Edinburgh to Las Vegas flights
Gatwick to Ontario flights
London City to Santa Ana flights
Leeds to Las Vegas flights
Manchester to Oakland flights
Edinburgh to Ontario flights
London City to San Jose 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 25 November 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£244Average£526FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£344Average£506FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Aer LingusCheapest£359Average£576FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£359Average£486FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£363Average£537FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
United AirlinesCheapest£366Average£553FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
SWISSCheapest£367Average£451FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Brussels AirlinesCheapest£374Average£490FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
FinnairCheapest£379Average£507FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£379Average£530FlexibilityNo cancel feeOn-time75%
Search KLM 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.