Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Sonoma from £384

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from London to Sonoma are usually found in February or November, booked 83 days in advance, depart on a Tuesday or Friday 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 March 2025.

Round-trip from

£399

One-way from

£384

Popular in

July

Cheapest in

February

Average price

£477
Lufthansa
  • Lufthansa
  • 21/4-28/4
  • 1 total stop
  • 25h 40m total
  • London to Sonoma
Search Deals
Aer Lingus
  • Aer Lingus
  • 9/9
  • 1 total stop
  • 13h 55m total
  • London to Sonoma
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£92 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from London to Sonoma

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 March 2025.

Mon 21/407:25LHR - SFO
1 stop15h 10mLufthansa
Mon 28/412:55SFO - LHR
Nonstop10h 30mLufthansa
Deal found 24/3£399
Mon 28/411:15LHR - SFO
Nonstop11h 05mKLM
Tue 20/521:20SFO - LHR
Nonstop10h 20mKLM
Deal found 25/3£400
Sat 3/506:00LHR - SFO
1 stop18h 10mMultiple Airlines
Sat 10/511:25SFO - LHR
1 stop14h 35mMultiple Airlines
Deal found 25/3£400
Thu 1/506:15LHR - SFO
1 stop14h 35mAir France
Thu 8/516:05SFO - LHR
Nonstop10h 20mAir France
Deal found 25/3£402
Mon 8/918:45LHR - SFO
2 stops30h 00mTAP AIR PORTUGAL
Mon 22/916:20SFO - LHR
1 stop18h 30mTAP AIR PORTUGAL
Deal found 24/3£409
Mon 21/408:50LHR - SFO
1 stop14h 55mBritish Airways
Tue 29/419:30SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 24/3£410
Wed 24/910:20LHR - SFO
1 stop14h 10mScandinavian Airlines
Thu 2/1019:40SFO - LHR
1 stop14h 00mScandinavian Airlines
Deal found 25/3£410
Fri 2/508:40LHR - SFO
1 stop15h 30mUnited Airlines
Sat 10/513:06SFO - LHR
1 stop14h 29mUnited Airlines
Deal found 24/3£411
Thu 1/518:40LHR - SFO
1 stop29h 30mSWISS
Thu 8/514:00SFO - LHR
1 stop18h 25mSWISS
Deal found 25/3£413
Mon 8/916:25LGW - SFO
1 stop32h 20mTAP AIR PORTUGAL
Mon 6/1016:20SFO - LGW
1 stop15h 15mTAP AIR PORTUGAL
Deal found 25/3£414
Tue 6/518:35LGW - SFO
1 stop29h 35mSWISS
Mon 12/519:30SFO - LGW
1 stop14h 20mSWISS
Deal found 25/3£415
Thu 1/508:40LHR - SFO
2 stops19h 15mAir Canada
Sun 11/508:35SFO - LHR
2 stops17h 25mAir Canada
Deal found 24/3£417

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 March 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

LHR - SFO

LHRSFO

London Heathrow

Mon 21/4

07:25-14:35

1 stop15h 10m

San Francisco

Mon 28/4

12:55-07:25

Nonstop10h 30m

£399

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 28/4

11:15-14:20

Nonstop11h 05m

San Francisco

Tue 20/5

21:20-15:40

Nonstop10h 20m

£400

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 3/5

06:00-16:10

1 stop18h 10m

San Francisco

Sat 10/5

11:25-10:00

1 stop14h 35m

£400

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 1/5

06:15-12:50

1 stop14h 35m

San Francisco

Thu 8/5

16:05-10:25

Nonstop10h 20m

£402

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 8/9

18:45-16:45

2 stops30h 00m

San Francisco

Mon 22/9

16:20-18:50

1 stop18h 30m

£409

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 21/4

08:50-15:45

1 stop14h 55m

San Francisco

Tue 29/4

19:30-13:55

Nonstop10h 25m

£410

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 2/5

08:40-16:10

1 stop15h 30m

San Francisco

Sat 10/5

13:06-11:35

1 stop14h 29m

£411

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 1/5

18:40-16:10

1 stop29h 30m

San Francisco

Thu 8/5

14:00-16:25

1 stop18h 25m

£413

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 8/9

16:25-16:45

1 stop32h 20m

San Francisco

Mon 6/10

16:20-15:35

1 stop15h 15m

£414

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Tue 6/5

18:35-16:10

1 stop29h 35m

San Francisco

Mon 12/5

19:30-17:50

1 stop14h 20m

£415

Flights are sorted by cheapest return flights first.

Deals found on 25/3

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 March 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 60 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 £538). Flying from London to Sonoma in July is currently the most expensive (average of £803). 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 March 2025.

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.

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 21 April 2024.

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

Rainfall in Sonoma by month

Plan your trip to Sonoma by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sonoma ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit Sonoma when rainfall is around 0.0 mm.

Temperature in Sonoma by month

Plan your trip to Sonoma by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sonoma, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 March 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Air Transat from London to Sonoma to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,891 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
381 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at £384. TAP AIR PORTUGAL flights start at £387 while deals on WestJet start at £394 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 American Airlines (91%), Aer Lingus (91%) or Alaska Airlines (91%) 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 £389. On average you can expect to pay £1,804. The most popular route, (London Heathrow - San Francisco), can usually be booked for £331.

  • 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 £538). Flying from London to Sonoma in July is currently the most expensive (average of £803). 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
London City to Los Angeles flights
Gatwick to San Francisco flights
London City to San Francisco flights
Luton to Los Angeles flights
Gatwick to Las Vegas flights
Heathrow to Ontario flights
London City to Las Vegas flights
Gatwick to Los Angeles flights
Heathrow to San Diego flights
Heathrow to Long Beach flights
Heathrow to Santa Ana flights
Stansted to Los Angeles flights
Heathrow to San Jose flights
Manchester to Los Angeles flights
Heathrow to Burbank flights
Manchester to Las Vegas flights
Heathrow to Oakland flights
Gatwick to San Jose flights
Gatwick to San Diego flights
Manchester to San Francisco flights
London City to San Diego flights
Stansted to San Francisco flights
Gatwick to Oakland flights
Luton to San Francisco flights
Stansted to Las Vegas flights
Gatwick to Santa Ana flights
Gatwick to Burbank flights
London City to Burbank flights
London City to Santa Ana flights
Luton to Las Vegas flights
Manchester to Ontario flights
Birmingham to Los Angeles flights
Southend to Los Angeles flights
Heathrow to San Luis Obispo flights
Manchester to Santa Ana flights
London City to Oakland flights
Manchester to San Jose flights
Edinburgh to Los Angeles flights
Newcastle upon Tyne to Los Angeles flights
Heathrow to Santa Rosa flights
Heathrow to Reno flights
Birmingham to San Francisco flights
Manchester to Oakland flights
Edinburgh to San Francisco flights
Edinburgh to Las Vegas flights
Gatwick to Reno flights
Stansted to San Diego 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 March 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£247Average£486FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£289Average£480FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
TAP AIR PORTUGALCheapest£358Average£477FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£361Average£444FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£367Average£561FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£372Average£569FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£380Average£639FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£384Average£508FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
FinnairCheapest£384Average£523FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£388Average£614FlexibilityNo 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.