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Cheap flights from Santa Rosa to London from $468

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to London departing on 10/14. 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 Santa Rosa to London (STS-LHR)

Cheap round-trip flights

Logo
7:03 am - 3:40 pmSTS-LHR
24h 37m2 stops
Logo
9:55 am - 7:12 pmLHR-STS
17h 17m1 stop
$746
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Sat, Sep 20 - Sat, Sep 27
Logo
7:03 am - 10:00 amSTS-LHR
18h 57m1 stop
Logo
9:55 am - 7:12 pmLHR-STS
17h 17m1 stop
$752
Find Deal
Sat, Sep 20 - Sat, Sep 27
Logo
1:18 pm - 12:15 pmSTS-LHR
14h 57m1 stop
Logo
2:55 pm - 12:06 pmLHR-STS
29h 11m1 stop
$753
Find Deal
Wed, Nov 12 - Wed, Nov 19
American Airlines Logo
3:07 pm - 2:35 pmSTS-LHR
15h 28m1 stop
American Airlines Logo
2:20 pm - 11:59 pmLHR-STS
17h 39m1 stop
$835American Airlines
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Fri, Sep 19 - Fri, Sep 26
Logo
7:03 am - 5:50 pmSTS-LHR
26h 47m2 stops
Logo
6:30 am - 7:12 pmLHR-STS
20h 42m2 stops
$857
Find Deal
Sat, Sep 20 - Sat, Sep 27
American Airlines Logo
7:45 am - 10:00 amSTS-LHR
18h 15m1 stop
American Airlines Logo
4:55 pm - 10:10 amLHR-STS
25h 15m1 stop
$946American Airlines
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Tue, Nov 11 - Wed, Nov 19
American Airlines Logo
12:25 pm - 12:45 pmSTS-LHR
16h 20m1 stop
American Airlines Logo
2:45 pm - 11:59 pmLHR-STS
17h 14m1 stop
$947American Airlines
Find Deal
Wed, Sep 3 - Thu, Sep 11
Alaska Airlines Logo
7:45 am - 12:30 pmSTS-LHR
20h 45m1 stop
Alaska Airlines Logo
1:45 pm - 7:27 pmLHR-STS
13h 42m1 stop
$996Alaska Airlines
Find Deal
Thu, Nov 13 - Wed, Nov 19
Alaska Airlines Logo
8:00 am - 12:30 pmSTS-LHR
20h 30m1 stop
Alaska Airlines Logo
11:50 am - 10:35 pmLHR-STS
18h 45m1 stop
$997Alaska Airlines
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Sun, Dec 7 - Sun, Dec 14
Alaska Airlines Logo
9:43 am - 1:40 pmSTS-LHR
19h 57m2 stops
Alaska Airlines Logo
4:55 pm - 11:59 pmLHR-STS
15h 04m1 stop
$1,126Alaska Airlines
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Wed, Oct 8 - Thu, Oct 23

Alaska Airlines flights from Santa Rosa to London Heathrow Airport

Our best Alaska Airlines deals on Santa Rosa to London Heathrow Airport flight tickets
Alaska Airlines
Nov 13
STS7:45 amSanta Rosa Sonoma County
20h 45m
1 stop
LHR12:30 pmLondon Heathrow
Nov 19
LHR1:45 pmLondon Heathrow
13h 42m
1 stop
STS7:27 pmSanta Rosa Sonoma County
$996
Find similar
Alaska Airlines
Dec 7
STS8:00 amSanta Rosa Sonoma County
20h 30m
1 stop
LHR12:30 pmLondon Heathrow
Dec 14
LHR11:50 amLondon Heathrow
18h 45m
1 stop
STS10:35 pmSanta Rosa Sonoma County
$997
Find similar
Alaska Airlines
Oct 8
STS9:43 amSanta Rosa Sonoma County
19h 57m
2 stops
LHR1:40 pmLondon Heathrow
Oct 23
LHR4:55 pmLondon Heathrow
15h 04m
1 stop
STS11:59 pmSanta Rosa Sonoma County
$1,126
Find similar

American Airlines flights from Santa Rosa to London Heathrow Airport

Our best American Airlines deals on Santa Rosa to London Heathrow Airport flight tickets
American Airlines
Sep 19
STS3:07 pmSanta Rosa Sonoma County
15h 28m
1 stop
LHR2:35 pmLondon Heathrow
Sep 26
LHR2:20 pmLondon Heathrow
17h 39m
1 stop
STS11:59 pmSanta Rosa Sonoma County
$835
Find similar
American Airlines
Nov 11
STS7:45 amSanta Rosa Sonoma County
18h 15m
1 stop
LHR10:00 amLondon Heathrow
Nov 19
LHR4:55 pmLondon Heathrow
25h 15m
1 stop
STS10:10 amSanta Rosa Sonoma County
$946
Find similar
American Airlines
Sep 3
STS12:25 pmSanta Rosa Sonoma County
16h 20m
1 stop
LHR12:45 pmLondon Heathrow
Sep 11
LHR2:45 pmLondon Heathrow
17h 14m
1 stop
STS11:59 pmSanta Rosa Sonoma County
$947
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to London Heathrow Airport 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 August 7, 2025.
Use the filters below to find and compare flights from Santa Rosa to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 9/20

7:03 am-3:40 pm

2 stops24h 37m

London Heathrow

Sat 9/27

9:55 am-7:12 pm

1 stop17h 17m

$746

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 9/20

7:03 am-10:00 am

1 stop18h 57m

London Heathrow

Sat 9/27

9:55 am-7:12 pm

1 stop17h 17m

$752

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 11/12

1:18 pm-12:15 pm

1 stop14h 57m

London Heathrow

Wed 11/19

2:55 pm-12:06 pm

1 stop29h 11m

$753

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 9/19

3:07 pm-2:35 pm

1 stop15h 28m

London Heathrow

Fri 9/26

2:20 pm-11:59 pm

1 stop17h 39m

$835

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 9/20

7:03 am-5:50 pm

2 stops26h 47m

London Heathrow

Sat 9/27

6:30 am-7:12 pm

2 stops20h 42m

$857

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 11/11

7:45 am-10:00 am

1 stop18h 15m

London Heathrow

Wed 11/19

4:55 pm-10:10 am

1 stop25h 15m

$946

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 9/3

12:25 pm-12:45 pm

1 stop16h 20m

London Heathrow

Thu 9/11

2:45 pm-11:59 pm

1 stop17h 14m

$947

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 11/13

7:45 am-12:30 pm

1 stop20h 45m

London Heathrow

Wed 11/19

1:45 pm-7:27 pm

1 stop13h 42m

$996

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 12/7

8:00 am-12:30 pm

1 stop20h 30m

London Heathrow

Sun 12/14

11:50 am-10:35 pm

1 stop18h 45m

$997

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 10/8

9:43 am-1:40 pm

2 stops19h 57m

London Heathrow

Thu 10/23

4:55 pm-11:59 pm

1 stop15h 04m

$1,126

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 London from

How to get the cheapest flight ticket from Santa Rosa to London Heathrow Airport

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 day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $807. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $942.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Santa Rosa to London Heathrow Airport in the morning for as low as $848. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $982.

When to book flights from Santa Rosa to London Heathrow Airport

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

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

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

Best Price Found

$468

Fastest flight time

12h 52m

Direct flights

None
The best one-way flight to London Heathrow Airport from Santa Rosa in the past 72 hours is $468. The best round-trip flight deal from Santa Rosa to London Heathrow Airport found on momondo in the last 72 hours is $746.
The fastest flight from Santa Rosa to London Heathrow Airport takes 12h 52m
There are no direct flights from Santa Rosa to London Heathrow Airport. Popular non-direct route for this connection is Santa Rosa Sonoma County Airport - London Heathrow Airport.
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  • How far is Santa Rosa Sonoma County to London Heathrow by plane?

    The straight-line distance from Santa Rosa Sonoma County to London Heathrow is 5312.4 mi. Typically, this will take 12h 52m by plane in normal conditions.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Dover
Slough
Luton
Guildford
Milton Keynes
Dartford
Crawley
Hayes
Chelmsford
Stansted
Salisbury
Ilford
Brentwood
Colchester
Stratford-upon-Avon
Folkestone
Swindon
Watford

Why use momondo?

Why should I use momondo to find a flight deal from Santa Rosa to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Santa Rosa.

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

All flight searches from Santa Rosa to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Santa Rosa to London.

I’m not ready to book a flight from Santa Rosa to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Santa Rosa to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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