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Cheap flights from London to San Francisco from $863

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 5/31. 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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0 bags

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Find the cheapest flights from London to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
3:10 pm - 11:59 pm
LHR
-
STS
16h 49m
1 stop
Iberia Logo
1:22 pm - 3:05 pm
STS
-
LHR
17h 43m
1 stop
$1,053Iberia
Wed, Apr 15 - Tue, Apr 21
Finnair Logo
6:10 pm - 11:59 pm
LHR
-
STS
37h 49m
2 stops
Finnair Logo
12:10 pm - 12:45 pm
STS
-
LHR
16h 35m
1 stop
$1,061Finnair
Sun, Apr 12 - Mon, Apr 20
Iberia Logo
3:10 pm - 11:59 pm
LHR
-
STS
16h 49m
1 stop
Iberia Logo
1:22 pm - 6:15 pm
STS
-
LHR
20h 53m
2 stops
$1,067Iberia
Wed, Apr 15 - Tue, Apr 21
Multiple Airlines Logo
2:50 pm - 10:11 am
LHR
-
STS
27h 21m
2 stops
Multiple Airlines Logo
7:00 am - 10:55 am
STS
-
LHR
19h 55m
1 stop
$1,086Multiple Airlines
Tue, Feb 24 - Fri, Feb 27
Iberia Logo
6:30 am - 11:59 pm
LHR
-
STS
25h 29m
2 stops
Iberia Logo
1:22 pm - 4:20 pm
STS
-
LHR
18h 58m
2 stops
$1,087Iberia
Wed, Apr 15 - Tue, Apr 21
Finnair Logo
8:20 am - 11:59 pm
LHR
-
STS
23h 39m
1 stop
Finnair Logo
12:10 pm - 12:45 pm
STS
-
LHR
16h 35m
1 stop
$1,090Finnair
Mon, Apr 13 - Mon, Apr 20
Finnair Logo
10:20 am - 11:59 pm
LHR
-
STS
21h 39m
2 stops
Finnair Logo
12:10 pm - 3:05 pm
STS
-
LHR
18h 55m
1 stop
$1,102Finnair
Thu, Apr 16 - Mon, Apr 20
Iberia Logo
8:20 am - 11:59 pm
LHR
-
STS
23h 39m
1 stop
Iberia Logo
12:10 pm - 3:05 pm
STS
-
LHR
18h 55m
1 stop
$1,120Iberia
Tue, Apr 14 - Mon, Apr 20
Finnair Logo
3:10 pm - 11:59 pm
LHR
-
STS
16h 49m
1 stop
Finnair Logo
12:10 pm - 12:45 pm
STS
-
LHR
16h 35m
1 stop
$1,124Finnair
Wed, Apr 15 - Mon, Apr 20
Finnair Logo
8:20 am - 11:59 pm
LHR
-
STS
23h 39m
1 stop
Finnair Logo
12:10 pm - 12:45 pm
STS
-
LHR
16h 35m
1 stop
$1,131Finnair
Thu, Apr 16 - Mon, Apr 20

Iberia flights from London to Santa Rosa

Our best Iberia deals on London to Santa Rosa flight tickets
Iberia
Apr 15
LHR3:10 pmLondon Heathrow
16h 49m
1 stop
STS11:59 pmSanta Rosa Sonoma County
Apr 21
STS1:22 pmSanta Rosa Sonoma County
17h 43m
1 stop
LHR3:05 pmLondon Heathrow
$1,053
Iberia
Apr 15
LHR3:10 pmLondon Heathrow
16h 49m
1 stop
STS11:59 pmSanta Rosa Sonoma County
Apr 21
STS1:22 pmSanta Rosa Sonoma County
20h 53m
2 stops
LHR6:15 pmLondon Heathrow
$1,067
Iberia
Apr 15
LHR6:30 amLondon Heathrow
25h 29m
2 stops
STS11:59 pmSanta Rosa Sonoma County
Apr 21
STS1:22 pmSanta Rosa Sonoma County
18h 58m
2 stops
LHR4:20 pmLondon Heathrow
$1,087

Finnair flights from London to Santa Rosa

Our best Finnair deals on London to Santa Rosa flight tickets
Finnair
Apr 12
LHR6:10 pmLondon Heathrow
37h 49m
2 stops
STS11:59 pmSanta Rosa Sonoma County
Apr 20
STS12:10 pmSanta Rosa Sonoma County
16h 35m
1 stop
LHR12:45 pmLondon Heathrow
$1,061
Finnair
Apr 13
LHR8:20 amLondon Heathrow
23h 39m
1 stop
STS11:59 pmSanta Rosa Sonoma County
Apr 20
STS12:10 pmSanta Rosa Sonoma County
16h 35m
1 stop
LHR12:45 pmLondon Heathrow
$1,090
Finnair
Apr 16
LHR10:20 amLondon Heathrow
21h 39m
2 stops
STS11:59 pmSanta Rosa Sonoma County
Apr 20
STS12:10 pmSanta Rosa Sonoma County
18h 55m
1 stop
LHR3:05 pmLondon Heathrow
$1,102

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 January 29, 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

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 4/15

3:10 pm-11:59 pm

1 stop16h 49m

Santa Rosa Sonoma County

Tue 4/21

1:22 pm-3:05 pm

1 stop17h 43m

$1,053

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sun 4/12

6:10 pm-11:59 pm

2 stops37h 49m

Santa Rosa Sonoma County

Mon 4/20

12:10 pm-12:45 pm

1 stop16h 35m

$1,061

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 4/15

3:10 pm-11:59 pm

1 stop16h 49m

Santa Rosa Sonoma County

Tue 4/21

1:22 pm-6:15 pm

2 stops20h 53m

$1,067

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Tue 2/24

2:50 pm-10:11 am

2 stops27h 21m

Santa Rosa Sonoma County

Fri 2/27

7:00 am-10:55 am

1 stop19h 55m

$1,086

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 4/15

6:30 am-11:59 pm

2 stops25h 29m

Santa Rosa Sonoma County

Tue 4/21

1:22 pm-4:20 pm

2 stops18h 58m

$1,087

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 4/13

8:20 am-11:59 pm

1 stop23h 39m

Santa Rosa Sonoma County

Mon 4/20

12:10 pm-12:45 pm

1 stop16h 35m

$1,090

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 4/16

10:20 am-11:59 pm

2 stops21h 39m

Santa Rosa Sonoma County

Mon 4/20

12:10 pm-3:05 pm

1 stop18h 55m

$1,102

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Tue 4/14

8:20 am-11:59 pm

1 stop23h 39m

Santa Rosa Sonoma County

Mon 4/20

12:10 pm-3:05 pm

1 stop18h 55m

$1,120

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 4/15

3:10 pm-11:59 pm

1 stop16h 49m

Santa Rosa Sonoma County

Mon 4/20

12:10 pm-12:45 pm

1 stop16h 35m

$1,124

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 4/16

8:20 am-11:59 pm

1 stop23h 39m

Santa Rosa Sonoma County

Mon 4/20

12:10 pm-12:45 pm

1 stop16h 35m

$1,131

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?

Iberia is the most popular carrier 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 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

16h 49m

Direct flights

None
The fastest flight from London to Santa Rosa takes 16h 49m
There are no direct flights from London to Santa Rosa. There are no popular flight routes from London to Santa Rosa.
Search flight deals

  • 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 16h 49m.

  • 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.

An easier way to manage your Santa Rosa trip

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