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Cheap flights from London Heathrow Airport to San Francisco from $731

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 Heathrow Airport to San Francisco departing on 9/9. 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 Heathrow Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
2:45 pm - 9:57 pm
LHR
-
STS
15h 12m
1 stop
Alaska Airlines Logo
8:01 pm - 12:20 pm
STS
-
LHR
32h 19m
1 stop
$1,049Alaska Airlines
Thu, Nov 19 - Mon, Nov 23
Alaska Airlines Logo
2:45 pm - 9:57 pm
LHR
-
STS
15h 12m
1 stop
Alaska Airlines Logo
8:01 pm - 12:20 pm
STS
-
LHR
32h 19m
1 stop
$1,051Alaska Airlines
Thu, Nov 19 - Mon, Nov 23
Alaska Airlines Logo
2:45 pm - 9:57 pm
LHR
-
STS
15h 12m
1 stop
Alaska Airlines Logo
8:01 pm - 12:20 pm
STS
-
LHR
32h 19m
1 stop
$1,052Alaska Airlines
Thu, Nov 19 - Mon, Nov 23
Alaska Airlines Logo
2:45 pm - 9:57 pm
LHR
-
STS
15h 12m
1 stop
Alaska Airlines Logo
8:01 pm - 12:20 pm
STS
-
LHR
32h 19m
1 stop
$1,059Alaska Airlines
Thu, Nov 19 - Mon, Nov 23
Multiple Airlines Logo
1:05 pm - 9:59 pm
LHR
-
STS
16h 54m
2 stops
Multiple Airlines Logo
8:07 am - 8:20 pm
STS
-
LHR
28h 13m
2 stops
$1,065Multiple Airlines
Wed, Sep 9 - Thu, Sep 17
Alaska Airlines Logo
2:45 pm - 9:57 pm
LHR
-
STS
15h 12m
1 stop
Alaska Airlines Logo
8:01 pm - 12:20 pm
STS
-
LHR
32h 19m
1 stop
$1,090Alaska Airlines
Thu, Nov 19 - Mon, Nov 23
Delta Logo
6:20 am - 4:08 pm
LHR
-
STS
17h 48m
2 stops
Delta Logo
12:39 pm - 10:00 am
STS
-
LHR
13h 21m
1 stop
$1,125Delta
Wed, Dec 9 - Mon, Jan 11
Multiple Airlines Logo
1:05 pm - 9:56 pm
LHR
-
STS
16h 51m
2 stops
Multiple Airlines Logo
7:00 am - 11:55 am
STS
-
LHR
20h 55m
2 stops
$1,128Multiple Airlines
Wed, Oct 7 - Sat, Oct 10
Delta Logo
6:20 am - 4:08 pm
LHR
-
STS
17h 48m
2 stops
Delta Logo
7:00 am - 8:00 pm
STS
-
LHR
29h 00m
2 stops
$1,134Delta
Wed, Dec 9 - Mon, Jan 11
American Airlines Logo
1:15 pm - 10:44 pm
LHR
-
STS
17h 29m
1 stop
American Airlines Logo
12:55 pm - 12:15 pm
STS
-
LHR
15h 20m
1 stop
$1,137American Airlines
Wed, Dec 9 - Thu, Jan 7

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Iberia flights from London Heathrow Airport to Santa Rosa

Our best Iberia deals on London Heathrow Airport to Santa Rosa flight tickets
Iberia
Sep 9
LHR8:20 amLondon Heathrow
21h 11m
1 stop
STS9:31 pmSanta Rosa Sonoma County
Sep 17
STS12:01 pmSanta Rosa Sonoma County
15h 04m
1 stop
LHR11:05 amLondon Heathrow
$1,236
Iberia
Sep 9
LHR8:20 amLondon Heathrow
21h 11m
1 stop
STS9:31 pmSanta Rosa Sonoma County
Sep 17
STS12:01 pmSanta Rosa Sonoma County
21h 14m
2 stops
LHR5:15 pmLondon Heathrow
$1,273

Alaska Airlines flights from London Heathrow Airport to Santa Rosa

Our best Alaska Airlines deals on London Heathrow Airport to Santa Rosa flight tickets
Alaska Airlines
Nov 19
LHR2:45 pmLondon Heathrow
15h 12m
1 stop
STS9:57 pmSanta Rosa Sonoma County
Nov 23
STS8:01 pmSanta Rosa Sonoma County
32h 19m
1 stop
LHR12:20 pmLondon Heathrow
$1,049
Alaska Airlines
Nov 19
LHR2:45 pmLondon Heathrow
15h 12m
1 stop
STS9:57 pmSanta Rosa Sonoma County
Nov 23
STS8:01 pmSanta Rosa Sonoma County
32h 19m
1 stop
LHR12:20 pmLondon Heathrow
$1,051
Alaska Airlines
Nov 19
LHR2:45 pmLondon Heathrow
15h 12m
1 stop
STS9:57 pmSanta Rosa Sonoma County
Nov 23
STS8:01 pmSanta Rosa Sonoma County
32h 19m
1 stop
LHR12:20 pmLondon Heathrow
$1,052

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport 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 3, 2026.
Use the filters below to find and compare flights from London Heathrow Airport 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

Thu 11/19

2:45 pm-9:57 pm

1 stop15h 12m

Santa Rosa Sonoma County

Mon 11/23

8:01 pm-12:20 pm

1 stop32h 19m

$1,049

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 11/19

2:45 pm-9:57 pm

1 stop15h 12m

Santa Rosa Sonoma County

Mon 11/23

8:01 pm-12:20 pm

1 stop32h 19m

$1,051

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 11/19

2:45 pm-9:57 pm

1 stop15h 12m

Santa Rosa Sonoma County

Mon 11/23

8:01 pm-12:20 pm

1 stop32h 19m

$1,052

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 11/19

2:45 pm-9:57 pm

1 stop15h 12m

Santa Rosa Sonoma County

Mon 11/23

8:01 pm-12:20 pm

1 stop32h 19m

$1,059

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 9/9

1:05 pm-9:59 pm

2 stops16h 54m

Santa Rosa Sonoma County

Thu 9/17

8:07 am-8:20 pm

2 stops28h 13m

$1,065

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 11/19

2:45 pm-9:57 pm

1 stop15h 12m

Santa Rosa Sonoma County

Mon 11/23

8:01 pm-12:20 pm

1 stop32h 19m

$1,090
Quickest round-trip

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 12/9

6:20 am-4:08 pm

2 stops17h 48m

Santa Rosa Sonoma County

Mon 1/11

12:39 pm-10:00 am

1 stop13h 21m

$1,125

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 10/7

1:05 pm-9:56 pm

2 stops16h 51m

Santa Rosa Sonoma County

Sat 10/10

7:00 am-11:55 am

2 stops20h 55m

$1,128

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 12/9

6:20 am-4:08 pm

2 stops17h 48m

Santa Rosa Sonoma County

Mon 1/11

7:00 am-8:00 pm

2 stops29h 00m

$1,134

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 12/9

1:15 pm-10:44 pm

1 stop17h 29m

Santa Rosa Sonoma County

Thu 1/7

12:55 pm-12:15 pm

1 stop15h 20m

$1,137

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 Heathrow Airport 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 Heathrow to Santa Rosa Sonoma County?

American Airlines and Alaska Airlines are the most popular carriers operating from London Heathrow 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 Heathrow Airport according to our data. British Airways is the first choice among our users, with 36% 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 Heathrow Airport to Santa Rosa

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

Cheap London Heathrow Airport to Santa Rosa (LHR to STS) flight deals and tips

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

Fastest flight time

16h 51m

Direct flights

None
The fastest flight from London Heathrow Airport to Santa Rosa takes 16h 51m
There are no direct flights from London Heathrow Airport to Santa Rosa. There are no popular flight routes from London Heathrow Airport to Santa Rosa.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Santa Rosa

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

    Santa Rosa Sonoma County is 5312.4 mi away from London Heathrow. 16h 51m is a normal flight duration for this route.

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

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

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

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

    The necessary travel and health documents for your Santa Rosa Sonoma County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

Finding the right flight to Santa Rosa from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Santa Rosa quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Santa Rosa from London with this policy.

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

Once all potential London to Santa Rosa flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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