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Cheap flights from London to San Francisco from $748

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 8/11. 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
7:25 am - 8:20 pm
LHR
-
STS
20h 55m
2 stops
Multiple Airlines Logo
7:00 am - 1:30 pm
STS
-
LHR
23h 30m
1 stop
$778Multiple Airlines
Wed, Oct 21 - Thu, Oct 29
Multiple Airlines Logo
7:25 am - 8:20 pm
LHR
-
STS
20h 55m
2 stops
Multiple Airlines Logo
7:00 am - 2:45 pm
STS
-
LHR
24h 45m
2 stops
$866Multiple Airlines
Wed, Oct 21 - Thu, Oct 29
Multiple Airlines Logo
8:20 am - 5:46 pm
LHR
-
STS
17h 26m
1 stop
Multiple Airlines Logo
12:03 pm - 12:10 pm
STS
-
LHR
17h 07m
1 stop
$1,032Multiple Airlines
Wed, Oct 21 - Thu, Oct 29
Multiple Airlines Logo
6:30 am - 10:51 pm
LHR
-
STS
24h 21m
2 stops
Multiple Airlines Logo
12:52 pm - 5:05 pm
STS
-
LHR
20h 13m
2 stops
$1,033Multiple Airlines
Wed, Jul 8 - Tue, Jul 14
Multiple Airlines Logo
6:30 am - 10:51 pm
LHR
-
STS
24h 21m
2 stops
Multiple Airlines Logo
11:35 am - 5:05 pm
STS
-
LHR
21h 30m
3 stops
$1,071Multiple Airlines
Wed, Jul 8 - Tue, Jul 14
Alaska Airlines Logo
5:00 pm - 10:51 pm
LHR
-
STS
13h 51m
1 stop
Alaska Airlines Logo
12:52 pm - 3:05 pm
STS
-
LHR
18h 13m
1 stop
$1,134Alaska Airlines
Wed, Jul 8 - Tue, Jul 14
British Airways Logo
6:05 pm - 12:03 pm
LHR
-
STS
25h 58m
2 stops
British Airways Logo
4:12 pm - 11:05 am
STS
-
LHR
34h 53m
1 stop
$1,137British Airways
Wed, Jul 8 - Tue, Jul 14
Alaska Airlines Logo
5:00 pm - 4:55 pm
LHR
-
STS
31h 55m
2 stops
Alaska Airlines Logo
7:25 am - 3:05 pm
STS
-
LHR
23h 40m
2 stops
$1,156Alaska Airlines
Thu, Aug 6 - Tue, Aug 18
Alaska Airlines Logo
5:00 pm - 4:55 pm
LHR
-
STS
31h 55m
2 stops
Alaska Airlines Logo
10:00 am - 3:05 pm
STS
-
LHR
21h 05m
2 stops
$1,180Alaska Airlines
Thu, Aug 6 - Sat, Aug 22
Multiple Airlines Logo
9:25 pm - 9:56 pm
LHR
-
STS
32h 31m
2 stops
Multiple Airlines Logo
7:00 am - 11:55 am
STS
-
LHR
20h 55m
2 stops
$1,186Multiple Airlines
Sat, Oct 10 - Sat, Oct 17

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Alaska Airlines flights from London to Santa Rosa

Our best Alaska Airlines deals on London to Santa Rosa flight tickets
Alaska Airlines
Jul 8
LHR5:00 pmLondon Heathrow
13h 51m
1 stop
STS10:51 pmSanta Rosa Sonoma County
Jul 14
STS12:52 pmSanta Rosa Sonoma County
18h 13m
1 stop
LHR3:05 pmLondon Heathrow
$1,134
Alaska Airlines
Aug 6
LHR5:00 pmLondon Heathrow
31h 55m
2 stops
STS4:55 pmSanta Rosa Sonoma County
Aug 19
STS10:00 amSanta Rosa Sonoma County
21h 05m
2 stops
LHR3:05 pmLondon Heathrow
$1,156
Alaska Airlines
Aug 6
LHR5:00 pmLondon Heathrow
31h 55m
2 stops
STS4:55 pmSanta Rosa Sonoma County
Aug 22
STS10:00 amSanta Rosa Sonoma County
21h 05m
2 stops
LHR3:05 pmLondon Heathrow
$1,180

Finnair flights from London to Santa Rosa

Our best Finnair deals on London to Santa Rosa flight tickets
Finnair
Aug 7
LHR9:50 amLondon Heathrow
21h 01m
1 stop
STS10:51 pmSanta Rosa Sonoma County
Aug 19
STS12:01 pmSanta Rosa Sonoma County
37h 09m
2 stops
LHR9:10 amLondon Heathrow
$1,770
Finnair
Aug 7
LHR9:50 amLondon Heathrow
21h 01m
1 stop
STS10:51 pmSanta Rosa Sonoma County
Aug 20
STS12:01 pmSanta Rosa Sonoma County
24h 39m
2 stops
LHR8:40 pmLondon Heathrow
$1,803
Finnair
Aug 7
LHR9:50 amLondon Heathrow
21h 01m
1 stop
STS10:51 pmSanta Rosa Sonoma County
Aug 19
STS12:01 pmSanta Rosa Sonoma County
16h 44m
1 stop
LHR12:45 pmLondon Heathrow
$1,808

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 June 15, 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

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 10/21

7:25 am-8:20 pm

2 stops20h 55m

Santa Rosa Sonoma County

Thu 10/29

7:00 am-1:30 pm

1 stop23h 30m

$778

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 10/21

7:25 am-8:20 pm

2 stops20h 55m

Santa Rosa Sonoma County

Thu 10/29

7:00 am-2:45 pm

2 stops24h 45m

$866

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 10/21

8:20 am-5:46 pm

1 stop17h 26m

Santa Rosa Sonoma County

Thu 10/29

12:03 pm-12:10 pm

1 stop17h 07m

$1,032

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 7/8

6:30 am-10:51 pm

2 stops24h 21m

Santa Rosa Sonoma County

Tue 7/14

12:52 pm-5:05 pm

2 stops20h 13m

$1,033

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 7/8

6:30 am-10:51 pm

2 stops24h 21m

Santa Rosa Sonoma County

Tue 7/14

11:35 am-5:05 pm

3 stops21h 30m

$1,071
Quickest round-trip

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 7/8

5:00 pm-10:51 pm

1 stop13h 51m

Santa Rosa Sonoma County

Tue 7/14

12:52 pm-3:05 pm

1 stop18h 13m

$1,134

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 7/8

6:05 pm-12:03 pm

2 stops25h 58m

Santa Rosa Sonoma County

Tue 7/14

4:12 pm-11:05 am

1 stop34h 53m

$1,137

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 8/6

5:00 pm-4:55 pm

2 stops31h 55m

Santa Rosa Sonoma County

Tue 8/18

7:25 am-3:05 pm

2 stops23h 40m

$1,156

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 8/6

5:00 pm-4:55 pm

2 stops31h 55m

Santa Rosa Sonoma County

Sat 8/22

10:00 am-3:05 pm

2 stops21h 05m

$1,180

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sat 10/10

9:25 pm-9:56 pm

2 stops32h 31m

Santa Rosa Sonoma County

Sat 10/17

7:00 am-11:55 am

2 stops20h 55m

$1,186

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?

Alaska Airlines and Finnair 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 37% 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

15h 35m

Direct flights

None
The fastest flight from London to Santa Rosa takes 15h 35m
There are no direct flights from London to Santa Rosa. There are no popular flight routes from London to Santa Rosa.
Search flight deals

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 15h 35m.

  • 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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