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Cheap flights from London to Sonoma from £392

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SFO
25 May — 1 Jun1
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 Tuesday

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 25 April 2026.

Tue 8/908:30
LHR
-
SFO
1 stop14h 54m
Air Canada
Mon 21/908:30
SFO
-
LHR
1 stop16h 05m
Air Canada
Deal found 20/4£408
Tue 8/914:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Mon 21/916:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 20/4£422
Fri 28/806:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Sat 12/916:45
SFO
-
LHR
1 stop17h 45m
Scandinavian Airlines
Deal found 21/4£429
Thu 2/714:10
LHR
-
SFO
1 stop18h 48m
American Airlines
Tue 21/710:17
SFO
-
LHR
1 stop13h 48m
American Airlines
Deal found 23/4£430
Thu 2/714:10
LHR
-
SFO
1 stop18h 48m
American Airlines
Wed 22/706:10
SFO
-
LHR
1 stop16h 15m
American Airlines
Deal found 23/4£431
Sun 30/812:00
LHR
-
SFO
1 stop17h 16m
American Airlines
Sun 13/910:15
SFO
-
LHR
1 stop16h 50m
American Airlines
Deal found 21/4£434
Mon 7/906:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Mon 21/916:45
SFO
-
LHR
1 stop17h 45m
Scandinavian Airlines
Deal found 20/4£440
Fri 29/508:55
LHR
-
SFO
1 stop17h 05m
American Airlines
Thu 11/607:44
SFO
-
LHR
1 stop18h 36m
American Airlines
Deal found 23/4£442
Fri 8/513:05
LHR
-
SFO
1 stop15h 28m
United Airlines
Mon 18/507:15
SFO
-
LHR
1 stop14h 40m
United Airlines
Deal found 23/4£445
Mon 29/610:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Tue 21/716:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 22/4£459
Fri 1/506:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Mon 4/516:45
SFO
-
LHR
1 stop16h 55m
Scandinavian Airlines
Deal found 22/4£459
Tue 30/617:45
LHR
-
SFO
1 stop14h 14m
Delta
Sun 19/707:00
SFO
-
LHR
1 stop15h 45m
Delta
Deal found 22/4£464

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 25 April 2026.

Round-trip from

£408

One-way from

£392

Popular in

December

Cheapest in

February

Average price

£494
Air Canada
  • Air Canada
  • 8/9-21/9
  • 2 total stops
  • 30h 59m total
  • London to Sonoma
Search Deals
8/5
  • 8/5
  • 1 total stop
  • 17h 30m total
  • London to Sonoma
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 25 April 2026.
Use the filters below to find and compare flights from London to Sonoma that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 24/9

08:45-16:15

1 stop15h 30m

San Francisco

Thu 1/10

12:35-09:40

1 stop13h 05m

£511

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Fri 29/5

10:25-00:39

2 stops22h 14m

San Francisco

Mon 1/6

23:00-09:25

1 stop26h 25m

£528

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 13/10

10:45-13:50

Nonstop11h 05m

San Francisco

Wed 28/10

21:40-15:10

Nonstop10h 30m

£536

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 9/5

13:00-16:10

Nonstop11h 10m

San Francisco

Mon 18/5

12:50-07:25

Nonstop10h 35m

£539

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 22/9

13:00-16:05

Nonstop11h 05m

San Francisco

Tue 29/9

19:55-14:10

Nonstop10h 15m

£539

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 28/8

12:45-15:45

Nonstop11h 00m

San Francisco

Sat 12/9

15:00-13:05

1 stop14h 05m

£542

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 15/9

19:50-14:40

2 stops26h 50m

San Francisco

Sun 20/9

16:45-18:50

2 stops18h 05m

£551

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 2/7

17:45-23:59

1 stop14h 14m

San Francisco

Thu 23/7

20:12-17:35

1 stop13h 23m

£551

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 25/6

10:55-21:51

1 stop18h 56m

San Francisco

Sun 5/7

23:15-17:30

Nonstop10h 15m

£552
Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 24/6

18:30-21:25

Nonstop10h 55m

San Francisco

Thu 2/7

23:15-17:30

Nonstop10h 15m

£562

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 60 resultsSorted by cheapest first
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2
3
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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

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 April 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 25 April 2026.

The most flights from LON to SN9 are scheduled on a Monday (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 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 April 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
906 reviews
Check prices

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
906 reviews
Austrian Airlines
7.6
Good
906 reviews
Check prices

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Virgin Atlantic
7.5
Good
687 reviews
Austrian Airlines
7.6
Good
906 reviews
Check prices

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
United Airlines
7.4
Good
9,649 reviews
Austrian Airlines
7.6
Good
906 reviews
Check prices

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
7,948 reviews
Austrian Airlines
7.6
Good
906 reviews
Check prices

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
British Airways
6.7
Okay
7,911 reviews
Austrian Airlines
7.6
Good
906 reviews
Check prices

Comfort

7.3

Overall

7.6

Food

6.8

Boarding

7.6

Crew

8.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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 £536, United Airlines can have you in Sonoma from London in 11h 05m. 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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £269. WestJet flights start at £299 while deals on Virgin Atlantic start at £322 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 Stansted - San Francisco.

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

    Consider Air Canada (87%), Austrian Airlines (87%) or United Airlines (87%) 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 £396. On average you can expect to pay £1,178. The most popular route, (London Heathrow - San Francisco), can usually be booked for £399.

  • 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.

See more FAQs

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Alternative routes for London to Sonoma

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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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£319Average£587FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£334Average£412FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£342Average£567FlexibilityNo cancel feeOn-time70%
Search British Airways flights
SWISSCheapest£350Average£448FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aer LingusCheapest£351Average£556FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£355Average£500FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£358Average£465FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
FinnairCheapest£362Average£480FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Brussels AirlinesCheapest£370Average£506FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapest£370Average£544FlexibilityNo cancel feeOn-time69%
Search United Airlines 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.

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