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Cheap flights from London to San Francisco from $988

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 12/15. 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
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
4:30 pm - 12:06 pmLHR-STS
27h 36m1 stop
Multiple Airlines Logo
1:18 pm - 12:15 pmSTS-LHR
14h 57m1 stop
$1,037Multiple Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
American Airlines Logo
4:55 pm - 10:10 amLHR-STS
25h 15m1 stop
American Airlines Logo
4:23 pm - 6:50 amSTS-LHR
30h 27m2 stops
$1,040American Airlines
Find Deal
Mon, Nov 17 - Sun, Nov 23
American Airlines Logo
4:30 pm - 12:48 pmLHR-STS
28h 18m2 stops
American Airlines Logo
4:23 pm - 6:50 amSTS-LHR
30h 27m2 stops
$1,047American Airlines
Find Deal
Mon, Nov 17 - Sun, Nov 23
American Airlines Logo
4:55 pm - 10:10 amLHR-STS
25h 15m1 stop
American Airlines Logo
7:40 am - 3:30 pmSTS-LHR
23h 50m1 stop
$1,056American Airlines
Find Deal
Mon, Nov 17 - Sun, Nov 23
American Airlines Logo
11:50 am - 10:47 pmLHR-STS
18h 57m1 stop
American Airlines Logo
1:18 pm - 8:35 amSTS-LHR
35h 17m1 stop
$1,058American Airlines
Find Deal
Mon, Nov 17 - Sat, Nov 22
Multiple Airlines Logo
8:45 pm - 11:44 pmLHR-STS
34h 59m2 stops
Multiple Airlines Logo
3:53 pm - 7:50 pmSTS-LHR
19h 57m2 stops
$1,172Multiple Airlines
Find Deal
Fri, Dec 12 - Fri, Dec 19
Multiple Airlines Logo
9:50 am - 10:10 amLHR-STS
32h 20m2 stops
Multiple Airlines Logo
8:07 pm - 12:20 pmSTS-LHR
32h 13m1 stop
$1,174Multiple Airlines
Find Deal
Wed, Nov 12 - Sun, Nov 16
American Airlines Logo
11:20 am - 10:37 pmLHR-STS
19h 17m2 stops
American Airlines Logo
7:40 am - 10:00 amSTS-LHR
18h 20m2 stops
$1,193American Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
Finnair Logo
6:10 pm - 10:37 pmLHR-STS
36h 27m2 stops
Finnair Logo
1:18 pm - 2:00 pmSTS-LHR
16h 42m1 stop
$1,540Finnair
Find Deal
Sat, Nov 15 - Sun, Nov 23
Finnair Logo
6:10 pm - 10:37 pmLHR-STS
36h 27m2 stops
Finnair Logo
1:18 pm - 9:10 amSTS-LHR
35h 52m2 stops
$1,547Finnair
Find Deal
Sat, Nov 15 - Sun, Nov 23

American Airlines flights from London to Santa Rosa

Our best American Airlines deals on London to Santa Rosa flight tickets
American Airlines
Nov 17
LHR4:55 pmLondon Heathrow
25h 15m
1 stop
STS10:10 amSanta Rosa Sonoma County
Nov 23
STS4:23 pmSanta Rosa Sonoma County
30h 27m
2 stops
LHR6:50 amLondon Heathrow
$1,040
Find similar
American Airlines
Nov 17
LHR4:30 pmLondon Heathrow
28h 18m
2 stops
STS12:48 pmSanta Rosa Sonoma County
Nov 23
STS4:23 pmSanta Rosa Sonoma County
30h 27m
2 stops
LHR6:50 amLondon Heathrow
$1,047
Find similar
American Airlines
Nov 17
LHR4:55 pmLondon Heathrow
25h 15m
1 stop
STS10:10 amSanta Rosa Sonoma County
Nov 23
STS7:40 amSanta Rosa Sonoma County
23h 50m
1 stop
LHR3:30 pmLondon Heathrow
$1,056
Find similar

Finnair flights from London to Santa Rosa

Our best Finnair deals on London to Santa Rosa flight tickets
Finnair
Nov 15
LHR6:10 pmLondon Heathrow
36h 27m
2 stops
STS10:37 pmSanta Rosa Sonoma County
Nov 23
STS1:18 pmSanta Rosa Sonoma County
16h 42m
1 stop
LHR2:00 pmLondon Heathrow
$1,540
Find similar
Finnair
Nov 15
LHR6:10 pmLondon Heathrow
36h 27m
2 stops
STS10:37 pmSanta Rosa Sonoma County
Nov 23
STS1:18 pmSanta Rosa Sonoma County
35h 52m
2 stops
LHR9:10 amLondon Heathrow
$1,547
Find similar

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 October 30, 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

Wed 11/12

4:30 pm-12:06 pm

1 stop27h 36m

Santa Rosa Sonoma County

Sun 11/16

1:18 pm-12:15 pm

1 stop14h 57m

$1,037

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 11/17

4:55 pm-10:10 am

1 stop25h 15m

Santa Rosa Sonoma County

Sun 11/23

4:23 pm-6:50 am

2 stops30h 27m

$1,040

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 11/17

4:30 pm-12:48 pm

2 stops28h 18m

Santa Rosa Sonoma County

Sun 11/23

4:23 pm-6:50 am

2 stops30h 27m

$1,047

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 11/17

4:55 pm-10:10 am

1 stop25h 15m

Santa Rosa Sonoma County

Sun 11/23

7:40 am-3:30 pm

1 stop23h 50m

$1,056

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 11/17

11:50 am-10:47 pm

1 stop18h 57m

Santa Rosa Sonoma County

Sat 11/22

1:18 pm-8:35 am

1 stop35h 17m

$1,058

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Fri 12/12

8:45 pm-11:44 pm

2 stops34h 59m

Santa Rosa Sonoma County

Fri 12/19

3:53 pm-7:50 pm

2 stops19h 57m

$1,172

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 11/12

9:50 am-10:10 am

2 stops32h 20m

Santa Rosa Sonoma County

Sun 11/16

8:07 pm-12:20 pm

1 stop32h 13m

$1,174

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sun 11/16

11:20 am-10:37 pm

2 stops19h 17m

Santa Rosa Sonoma County

Sun 11/23

7:40 am-10:00 am

2 stops18h 20m

$1,193

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sat 11/15

6:10 pm-10:37 pm

2 stops36h 27m

Santa Rosa Sonoma County

Sun 11/23

1:18 pm-2:00 pm

1 stop16h 42m

$1,540

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sat 11/15

6:10 pm-10:37 pm

2 stops36h 27m

Santa Rosa Sonoma County

Sun 11/23

1:18 pm-9:10 am

2 stops35h 52m

$1,547

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, American Airlines, and Iberia 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 39% 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

Direct flights

None
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 15h 27m.

  • 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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