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Cheap flights from London to San Francisco from $559

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:05 pm - 9:35 pm
LHR
-
STS
16h 30m
1 stop
Multiple Airlines Logo
7:10 am - 10:10 am
STS
-
LHR
19h 00m
1 stop
$900Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
Alaska Airlines Logo
5:00 pm - 4:56 pm
LHR
-
STS
31h 56m
2 stops
Alaska Airlines Logo
10:00 am - 3:05 pm
STS
-
LHR
21h 05m
2 stops
$1,034Alaska Airlines
Fri, Sep 18 - Tue, Sep 22
Alaska Airlines Logo
5:00 pm - 12:46 pm
LHR
-
STS
27h 46m
1 stop
Alaska Airlines Logo
5:34 pm - 3:05 pm
STS
-
LHR
13h 31m
1 stop
$1,039Alaska Airlines
Wed, Sep 16 - Wed, Sep 23
Alaska Airlines Logo
2:45 pm - 8:50 am
LHR
-
STS
49h 05m
2 stops
Alaska Airlines Logo
3:02 pm - 12:20 pm
STS
-
LHR
37h 18m
2 stops
$1,041Alaska Airlines
Thu, Oct 29 - Mon, Nov 2
Alaska Airlines Logo
5:00 pm - 4:56 pm
LHR
-
STS
31h 56m
2 stops
Alaska Airlines Logo
3:09 pm - 3:05 pm
STS
-
LHR
15h 56m
2 stops
$1,044Alaska Airlines
Fri, Sep 18 - Thu, Sep 24
Alaska Airlines Logo
2:45 pm - 8:07 pm
LHR
-
STS
37h 22m
2 stops
Alaska Airlines Logo
3:02 pm - 12:20 pm
STS
-
LHR
37h 18m
2 stops
$1,050Alaska Airlines
Wed, Nov 4 - Sat, Nov 7
Alaska Airlines Logo
5:00 pm - 4:56 pm
LHR
-
STS
31h 56m
2 stops
Alaska Airlines Logo
3:09 pm - 3:05 pm
STS
-
LHR
15h 56m
2 stops
$1,053Alaska Airlines
Fri, Sep 18 - Fri, Sep 25
Alaska Airlines Logo
2:45 pm - 9:56 pm
LHR
-
STS
14h 11m
1 stop
Alaska Airlines Logo
5:20 pm - 12:20 pm
STS
-
LHR
35h 00m
1 stop
$1,055Alaska Airlines
Thu, Oct 29 - Mon, Nov 2
Alaska Airlines Logo
2:45 pm - 8:07 pm
LHR
-
STS
37h 22m
2 stops
Alaska Airlines Logo
3:02 pm - 12:20 pm
STS
-
LHR
37h 18m
2 stops
$1,056Alaska Airlines
Wed, Nov 4 - Sat, Nov 7
Alaska Airlines Logo
2:45 pm - 9:57 pm
LHR
-
STS
15h 12m
1 stop
Alaska Airlines Logo
5:20 pm - 12:20 pm
STS
-
LHR
35h 00m
1 stop
$1,070Alaska Airlines
Wed, Nov 4 - Sat, Nov 7

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Finnair flights from London to Santa Rosa

Our best Finnair deals on London to Santa Rosa flight tickets
Finnair
Sep 12
LHR4:25 pmLondon Heathrow
27h 44m
1 stop
STS12:09 pmSanta Rosa Sonoma County
Sep 19
STS4:21 pmSanta Rosa Sonoma County
21h 19m
2 stops
LHR9:40 pmLondon Heathrow
$1,228
Finnair
Sep 12
LHR4:25 pmLondon Heathrow
27h 44m
1 stop
STS12:09 pmSanta Rosa Sonoma County
Sep 19
STS4:21 pmSanta Rosa Sonoma County
34h 09m
1 stop
LHR10:30 amLondon Heathrow
$1,231
Finnair
Aug 8
LHR6:10 pmLondon Heathrow
36h 41m
2 stops
STS10:51 pmSanta Rosa Sonoma County
Aug 27
STS12:01 pmSanta Rosa Sonoma County
24h 39m
2 stops
LHR8:40 pmLondon Heathrow
$2,417

Iberia flights from London to Santa Rosa

Our best Iberia deals on London to Santa Rosa flight tickets
Iberia
Sep 15
LHR7:50 amLondon Heathrow
21h 41m
2 stops
STS9:31 pmSanta Rosa Sonoma County
Sep 22
STS12:01 pmSanta Rosa Sonoma County
21h 14m
2 stops
LHR5:15 pmLondon Heathrow
$1,238
Iberia
Sep 9
LHR8:20 amLondon Heathrow
21h 11m
1 stop
STS9:31 pmSanta Rosa Sonoma County
Sep 19
STS12:01 pmSanta Rosa Sonoma County
15h 04m
1 stop
LHR11:05 amLondon Heathrow
$1,306

momondo Fare Finder

 
Customize your flight search to find flights from London to Santa Rosa 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, momondo users made 832,500 searches. Data last updated August 2, 2026.
Use the filters below to find and compare flights from London to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sat 9/12

1:05 pm-9:35 pm

1 stop16h 30m

Santa Rosa Sonoma County

Sat 9/19

7:10 am-10:10 am

1 stop19h 00m

$900

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Fri 9/18

5:00 pm-4:56 pm

2 stops31h 56m

Santa Rosa Sonoma County

Tue 9/22

10:00 am-3:05 pm

2 stops21h 05m

$1,034

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 9/16

5:00 pm-12:46 pm

1 stop27h 46m

Santa Rosa Sonoma County

Wed 9/23

5:34 pm-3:05 pm

1 stop13h 31m

$1,039

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 10/29

2:45 pm-8:50 am

2 stops49h 05m

Santa Rosa Sonoma County

Mon 11/2

3:02 pm-12:20 pm

2 stops37h 18m

$1,041

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Fri 9/18

5:00 pm-4:56 pm

2 stops31h 56m

Santa Rosa Sonoma County

Thu 9/24

3:09 pm-3:05 pm

2 stops15h 56m

$1,044

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 11/4

2:45 pm-8:07 pm

2 stops37h 22m

Santa Rosa Sonoma County

Sat 11/7

3:02 pm-12:20 pm

2 stops37h 18m

$1,050

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Fri 9/18

5:00 pm-4:56 pm

2 stops31h 56m

Santa Rosa Sonoma County

Fri 9/25

3:09 pm-3:05 pm

2 stops15h 56m

$1,053

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 10/29

2:45 pm-9:56 pm

1 stop14h 11m

Santa Rosa Sonoma County

Mon 11/2

5:20 pm-12:20 pm

1 stop35h 00m

$1,055

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 11/4

2:45 pm-8:07 pm

2 stops37h 22m

Santa Rosa Sonoma County

Sat 11/7

3:02 pm-12:20 pm

2 stops37h 18m

$1,056

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 11/4

2:45 pm-9:57 pm

1 stop15h 12m

Santa Rosa Sonoma County

Sat 11/7

5:20 pm-12:20 pm

1 stop35h 00m

$1,070

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from London to Santa Rosa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Santa Rosa?

United Airlines, Lufthansa and British Airways are the top three most popular airlines that fly to Santa Rosa from London according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Santa Rosa. Keep in mind that there are 12 different airlines that fly to Santa Rosa on a routine basis, so you have a few additional options to choose from.

When to book flights from London to Santa Rosa

Are you open to changing your travel dates? Check out the ideal times to fly from London to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London to Santa Rosa (LON to STS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Santa Rosa

Fastest flight time

17h 29m

Direct flights

None
The fastest flight from London to Santa Rosa takes 17h 29m
There are no direct flights from London to Santa Rosa. There are no popular flight routes from London to Santa Rosa.
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Frequently asked questions about flying from London to Santa Rosa

  • How far is London to Santa Rosa Sonoma County by plane?

    There are 5320.7 mi between London and Santa Rosa Sonoma County. A reasonable flight in good conditions will take 17h 29m.

  • When did momondo last update prices for flights from London to Santa Rosa Sonoma County Airport?

    Prices for flights from London to Santa Rosa Sonoma County Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London to Santa Rosa Sonoma County Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Santa Rosa Sonoma County Airport.

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The travel and health documents you'll need for your trip to Santa Rosa Sonoma County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santa Rosa Sonoma County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Ukiah
Mendocino
Little River
Point Arena

Why use momondo?

Why should I use momondo to find a flight deal from London to Santa Rosa?

It is quick and easy to find London to Santa Rosa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Santa Rosa that suits you.

Can I find flights from London to Santa Rosa with flexible booking policies on momondo?

All flight searches from London to Santa Rosa on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Santa Rosa?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Santa Rosa from London.

I’m not ready to book a flight from London to Santa Rosa right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Santa Rosa flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Santa Rosa trip

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