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Cheap flights from London Heathrow Airport to San Francisco from $643

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 9/7. 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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Find the cheapest flights from London Heathrow Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:40 am - 7:59 pm
LHR
-
STS
19h 19m
2 stops
Multiple Airlines Logo
6:00 am - 2:00 pm
STS
-
LHR
48h 00m
2 stops
$961Multiple Airlines
Wed, Jun 3 - Wed, Jun 10
Multiple Airlines Logo
9:55 am - 7:59 pm
LHR
-
STS
18h 04m
1 stop
Multiple Airlines Logo
6:00 am - 2:00 pm
STS
-
LHR
48h 00m
2 stops
$994Multiple Airlines
Wed, Jun 3 - Wed, Jun 10
Alaska Airlines Logo
5:00 pm - 11:10 am
LHR
-
STS
26h 10m
2 stops
Alaska Airlines Logo
7:59 am - 3:05 pm
STS
-
LHR
23h 06m
2 stops
$1,103Alaska Airlines
Tue, Jun 2 - Tue, Jun 9
Alaska Airlines Logo
5:00 pm - 5:04 pm
LHR
-
STS
32h 04m
2 stops
Alaska Airlines Logo
7:00 am - 3:05 pm
STS
-
LHR
24h 05m
2 stops
$1,124Alaska Airlines
Mon, Jun 1 - Mon, Jun 8
Multiple Airlines Logo
2:30 pm - 9:22 pm
LHR
-
STS
14h 52m
1 stop
Multiple Airlines Logo
7:59 am - 10:15 am
STS
-
LHR
18h 16m
1 stop
$1,134Multiple Airlines
Mon, Jun 1 - Mon, Jun 8
American Airlines Logo
6:05 pm - 12:05 pm
LHR
-
STS
26h 00m
2 stops
American Airlines Logo
12:45 pm - 6:15 am
STS
-
LHR
33h 30m
2 stops
$1,143American Airlines
Thu, Jun 18 - Sun, Jun 28
Multiple Airlines Logo
9:25 pm - 9:56 pm
LHR
-
STS
32h 31m
2 stops
Multiple Airlines Logo
5:31 pm - 8:20 pm
STS
-
LHR
18h 49m
2 stops
$1,144Multiple Airlines
Mon, Aug 31 - Sat, Sep 12
American Airlines Logo
7:25 pm - 12:05 pm
LHR
-
STS
24h 40m
2 stops
American Airlines Logo
12:45 pm - 6:15 am
STS
-
LHR
33h 30m
2 stops
$1,166American Airlines
Sat, Jun 20 - Sun, Jun 28
Multiple Airlines Logo
4:10 pm - 12:28 pm
LHR
-
STS
28h 18m
1 stop
Multiple Airlines Logo
12:35 pm - 10:55 am
STS
-
LHR
14h 20m
1 stop
$1,190Multiple Airlines
Fri, Sep 4 - Sat, Sep 12
Alaska Airlines Logo
5:00 pm - 6:43 pm
LHR
-
STS
33h 43m
2 stops
Alaska Airlines Logo
11:38 am - 3:05 pm
STS
-
LHR
19h 27m
2 stops
$1,195Alaska Airlines
Thu, Jun 18 - Tue, Jun 30

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
Jun 2
LHR5:00 pmLondon Heathrow
26h 10m
2 stops
STS11:10 amSanta Rosa Sonoma County
Jun 9
STS7:59 amSanta Rosa Sonoma County
23h 06m
2 stops
LHR3:05 pmLondon Heathrow
$1,103
Alaska Airlines
Jun 1
LHR5:00 pmLondon Heathrow
32h 04m
2 stops
STS5:04 pmSanta Rosa Sonoma County
Jun 8
STS7:00 amSanta Rosa Sonoma County
24h 05m
2 stops
LHR3:05 pmLondon Heathrow
$1,124
Alaska Airlines
Jun 18
LHR5:00 pmLondon Heathrow
33h 43m
2 stops
STS6:43 pmSanta Rosa Sonoma County
Jun 30
STS11:38 amSanta Rosa Sonoma County
19h 27m
2 stops
LHR3:05 pmLondon Heathrow
$1,195

American Airlines flights from London Heathrow Airport to Santa Rosa

Our best American Airlines deals on London Heathrow Airport to Santa Rosa flight tickets
American Airlines
Jun 18
LHR6:05 pmLondon Heathrow
26h 00m
2 stops
STS12:05 pmSanta Rosa Sonoma County
Jun 28
STS12:45 pmSanta Rosa Sonoma County
33h 30m
2 stops
LHR6:15 amLondon Heathrow
$1,143
American Airlines
Jun 20
LHR7:25 pmLondon Heathrow
24h 40m
2 stops
STS12:05 pmSanta Rosa Sonoma County
Jun 28
STS12:45 pmSanta Rosa Sonoma County
33h 30m
2 stops
LHR6:15 amLondon Heathrow
$1,166
American Airlines
Jun 18
LHR8:20 amLondon Heathrow
15h 35m
1 stop
STS3:55 pmSanta Rosa Sonoma County
Jun 30
STS11:38 amSanta Rosa Sonoma County
17h 07m
1 stop
LHR12:45 pmLondon Heathrow
$1,356

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 April 21, 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

Wed 6/3

8:40 am-7:59 pm

2 stops19h 19m

Santa Rosa Sonoma County

Wed 6/10

6:00 am-2:00 pm

2 stops48h 00m

$961

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 6/3

9:55 am-7:59 pm

1 stop18h 04m

Santa Rosa Sonoma County

Wed 6/10

6:00 am-2:00 pm

2 stops48h 00m

$994

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Tue 6/2

5:00 pm-11:10 am

2 stops26h 10m

Santa Rosa Sonoma County

Tue 6/9

7:59 am-3:05 pm

2 stops23h 06m

$1,103

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 6/1

5:00 pm-5:04 pm

2 stops32h 04m

Santa Rosa Sonoma County

Mon 6/8

7:00 am-3:05 pm

2 stops24h 05m

$1,124
Quickest round-trip

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 6/1

2:30 pm-9:22 pm

1 stop14h 52m

Santa Rosa Sonoma County

Mon 6/8

7:59 am-10:15 am

1 stop18h 16m

$1,134

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 6/18

6:05 pm-12:05 pm

2 stops26h 00m

Santa Rosa Sonoma County

Sun 6/28

12:45 pm-6:15 am

2 stops33h 30m

$1,143

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 8/31

9:25 pm-9:56 pm

2 stops32h 31m

Santa Rosa Sonoma County

Sat 9/12

5:31 pm-8:20 pm

2 stops18h 49m

$1,144

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sat 6/20

7:25 pm-12:05 pm

2 stops24h 40m

Santa Rosa Sonoma County

Sun 6/28

12:45 pm-6:15 am

2 stops33h 30m

$1,166

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Fri 9/4

4:10 pm-12:28 pm

1 stop28h 18m

Santa Rosa Sonoma County

Sat 9/12

12:35 pm-10:55 am

1 stop14h 20m

$1,190

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Thu 6/18

5:00 pm-6:43 pm

2 stops33h 43m

Santa Rosa Sonoma County

Tue 6/30

11:38 am-3:05 pm

2 stops19h 27m

$1,195

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?

Alaska Airlines is the most popular carrier 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 35% of people opting to fly with this airline when traveling to Santa Rosa. Keep in mind that there are 13 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

19h 19m

Direct flights

None
The fastest flight from London Heathrow Airport to Santa Rosa takes 19h 19m
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. 19h 19m 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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