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Cheap flights from London to San Francisco from $778

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Logo
6:40 am - 11:59 pmLHR-STS
25h 19m2 stops
Logo
7:03 am - 4:00 pmSTS-LHR
48h 57m2 stops
$778
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Fri, Sep 12 - Fri, Sep 19
Logo
10:10 am - 7:12 pmLHR-STS
17h 02m1 stop
Logo
7:03 am - 5:05 pmSTS-LHR
26h 02m2 stops
$781
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Sat, Sep 13 - Sat, Sep 20
Logo
11:40 am - 7:12 pmLHR-STS
15h 32m1 stop
Logo
3:07 pm - 2:35 pmSTS-LHR
15h 28m1 stop
$814
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Fri, Sep 12 - Fri, Sep 19
Logo
2:55 pm - 12:06 pmLHR-STS
29h 11m1 stop
Logo
4:23 pm - 1:15 pmSTS-LHR
12h 52m1 stop
$829
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Wed, Nov 5 - Mon, Nov 10
Logo
11:40 am - 7:12 pmLHR-STS
15h 32m1 stop
Logo
3:07 pm - 2:35 pmSTS-LHR
15h 28m1 stop
$840
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Sat, Sep 13 - Sat, Sep 20
Logo
6:00 am - 7:12 pmLHR-STS
21h 12m2 stops
Logo
7:03 am - 10:00 pmSTS-LHR
30h 57m2 stops
$988
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Sat, Sep 13 - Sat, Sep 20
Logo
12:30 pm - 11:59 pmLHR-STS
19h 29m1 stop
Logo
4:23 pm - 1:15 pmSTS-LHR
12h 52m1 stop
$1,016
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Thu, Nov 6 - Mon, Nov 10
Logo
4:55 pm - 11:23 amLHR-STS
26h 28m1 stop
Logo
7:45 am - 3:30 pmSTS-LHR
24h 45m1 stop
$1,331
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Fri, Oct 24 - Sat, Nov 1
Logo
9:30 am - 8:23 pmLHR-STS
18h 53m2 stops
Logo
7:52 pm - 11:25 amSTS-LHR
31h 33m1 stop
$1,822
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Fri, Sep 12 - Fri, Sep 19
Logo
10:10 am - 7:12 pmLHR-STS
17h 02m1 stop
Logo
3:07 pm - 2:35 pmSTS-LHR
15h 28m1 stop
$1,858
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Sat, Aug 23 - Sat, Aug 30

American Airlines flights from London to Santa Rosa

Our best American Airlines deals on London to Santa Rosa flight tickets
American Airlines
Aug 7
LHR12:15 pmLondon Heathrow
31h 21m
2 stops
STS11:36 amSanta Rosa Sonoma County
Sep 10
STS4:19 pmSanta Rosa Sonoma County
21h 21m
2 stops
LHR9:40 pmLondon Heathrow
$1,016
Find similar
American Airlines
Aug 7
LHR3:40 pmLondon Heathrow
32h 07m
1 stop
STS3:47 pmSanta Rosa Sonoma County
Sep 10
STS4:19 pmSanta Rosa Sonoma County
14h 21m
1 stop
LHR2:40 pmLondon Heathrow
$1,024
Find similar
American Airlines
Aug 7
LHR3:40 pmLondon Heathrow
32h 07m
1 stop
STS3:47 pmSanta Rosa Sonoma County
Sep 14
STS4:19 pmSanta Rosa Sonoma County
30h 06m
2 stops
LHR6:25 amLondon Heathrow
$1,035
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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 July 31, 2025.
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

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Fri 9/12

6:40 am-11:59 pm

2 stops25h 19m

Santa Rosa Sonoma County

Fri 9/19

7:03 am-4:00 pm

2 stops48h 57m

$778

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sat 9/13

10:10 am-7:12 pm

1 stop17h 02m

Santa Rosa Sonoma County

Sat 9/20

7:03 am-5:05 pm

2 stops26h 02m

$781

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Fri 9/12

11:40 am-7:12 pm

1 stop15h 32m

Santa Rosa Sonoma County

Fri 9/19

3:07 pm-2:35 pm

1 stop15h 28m

$814

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 11/5

2:55 pm-12:06 pm

1 stop29h 11m

Santa Rosa Sonoma County

Mon 11/10

4:23 pm-1:15 pm

1 stop12h 52m

$829

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sat 9/13

11:40 am-7:12 pm

1 stop15h 32m

Santa Rosa Sonoma County

Sat 9/20

3:07 pm-2:35 pm

1 stop15h 28m

$840

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sat 9/13

6:00 am-7:12 pm

2 stops21h 12m

Santa Rosa Sonoma County

Sat 9/20

7:03 am-10:00 pm

2 stops30h 57m

$988

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 11/6

12:30 pm-11:59 pm

1 stop19h 29m

Santa Rosa Sonoma County

Mon 11/10

4:23 pm-1:15 pm

1 stop12h 52m

$1,016

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Fri 10/24

4:55 pm-11:23 am

1 stop26h 28m

Santa Rosa Sonoma County

Sat 11/1

7:45 am-3:30 pm

1 stop24h 45m

$1,331

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Fri 9/12

9:30 am-8:23 pm

2 stops18h 53m

Santa Rosa Sonoma County

Fri 9/19

7:52 pm-11:25 am

1 stop31h 33m

$1,822

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sat 8/23

10:10 am-7:12 pm

1 stop17h 02m

Santa Rosa Sonoma County

Sat 8/30

3:07 pm-2:35 pm

1 stop15h 28m

$1,858

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 is the cheapest airline that flies from London to Santa Rosa Sonoma County?

Finnair and American Airlines are the most popular carriers operating from London to Santa Rosa Sonoma County

What airlines fly to Santa Rosa?

British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to Santa Rosa from London according to our data. British Airways is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Santa Rosa. Keep in mind that there are 10 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

Best Price Found

$1,273

Fastest flight time

15h 04m

Direct flights

None

Airports in Santa Rosa

1 airport
The best one-way flight to Santa Rosa from London in the past 72 hours is $1,273. The best round-trip flight deal from London to Santa Rosa found on momondo in the last 72 hours is $778.
The fastest flight from London to Santa Rosa takes 15h 04m
There are no direct flights from London to Santa Rosa. Popular non-direct route for this connection is London Heathrow Airport - Santa Rosa Sonoma County Airport.
There is 1 airport near Santa Rosa: Santa Rosa Sonoma County (STS)
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  • 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 15h 04m.

  • 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
Mendocino
Ukiah
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.

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