Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Santa Rosa to London from $518

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 10/2. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Santa Rosa to London (STS-LON)

Cheap round-trip flights

Logo
2:28 pm - 1:40 pmSTS-LHR
15h 12m1 stop
Logo
9:50 am - 8:23 pmLHR-STS
18h 33m1 stop
$724
Find Deal
Wed, Sep 24 - Wed, Oct 1
Logo
2:28 pm - 1:40 pmSTS-LHR
15h 12m1 stop
Logo
8:20 am - 6:16 pmLHR-STS
17h 56m2 stops
$753
Find Deal
Wed, Sep 24 - Wed, Oct 1
Logo
1:18 pm - 12:15 pmSTS-LHR
14h 57m1 stop
Logo
4:30 pm - 12:06 pmLHR-STS
27h 36m1 stop
$755
Find Deal
Wed, Nov 12 - Wed, Nov 19
Logo
7:03 am - 10:55 amSTS-LGW
19h 52m1 stop
Logo
10:55 am - 7:12 pmLGW-STS
16h 17m1 stop
$774
Find Deal
Wed, Sep 24 - Wed, Oct 1
Alaska Airlines Logo
7:45 am - 12:30 pmSTS-LHR
20h 45m1 stop
Alaska Airlines Logo
11:50 am - 11:59 pmLHR-STS
20h 09m1 stop
$949Alaska Airlines
Find Deal
Tue, Nov 11 - Thu, Nov 20
American Airlines Logo
4:17 pm - 2:40 pmSTS-LHR
14h 23m1 stop
American Airlines Logo
11:40 am - 11:33 pmLHR-STS
19h 53m1 stop
$950American Airlines
Find Deal
Mon, Oct 6 - Thu, Oct 16
American Airlines Logo
7:00 am - 9:10 amSTS-LHR
18h 10m2 stops
American Airlines Logo
1:10 pm - 11:33 pmLHR-STS
18h 23m2 stops
$953American Airlines
Find Deal
Mon, Oct 6 - Thu, Oct 16
American Airlines Logo
1:00 pm - 12:45 pmSTS-LHR
15h 45m2 stops
American Airlines Logo
4:25 pm - 12:29 pmLHR-STS
28h 04m2 stops
$954American Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 9
Alaska Airlines Logo
7:45 am - 10:00 amSTS-LHR
18h 15m1 stop
Alaska Airlines Logo
2:55 pm - 10:05 pmLHR-STS
15h 10m1 stop
$999Alaska Airlines
Find Deal
Thu, Nov 13 - Tue, Nov 18
Alaska Airlines Logo
11:55 am - 11:20 amSTS-LHR
15h 25m1 stop
Alaska Airlines Logo
11:50 am - 10:35 pmLHR-STS
18h 45m1 stop
$1,049Alaska Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 14

American Airlines flights from Santa Rosa to London

Our best American Airlines deals on Santa Rosa to London flight tickets
American Airlines
Oct 6
STS4:17 pmSanta Rosa Sonoma County
14h 23m
1 stop
LHR2:40 pmLondon Heathrow
Oct 16
LHR11:40 amLondon Heathrow
19h 53m
1 stop
STS11:33 pmSanta Rosa Sonoma County
$950
Find similar
American Airlines
Oct 6
STS7:00 amSanta Rosa Sonoma County
18h 10m
2 stops
LHR9:10 amLondon Heathrow
Oct 16
LHR1:10 pmLondon Heathrow
18h 23m
2 stops
STS11:33 pmSanta Rosa Sonoma County
$953
Find similar
American Airlines
Sep 3
STS1:00 pmSanta Rosa Sonoma County
15h 45m
2 stops
LHR12:45 pmLondon Heathrow
Sep 9
LHR4:25 pmLondon Heathrow
28h 04m
2 stops
STS12:29 pmSanta Rosa Sonoma County
$954
Find similar

Alaska Airlines flights from Santa Rosa to London

Our best Alaska Airlines deals on Santa Rosa to London flight tickets
Alaska Airlines
Nov 11
STS7:45 amSanta Rosa Sonoma County
20h 45m
1 stop
LHR12:30 pmLondon Heathrow
Nov 20
LHR11:50 amLondon Heathrow
20h 09m
1 stop
STS11:59 pmSanta Rosa Sonoma County
$949
Find similar
Alaska Airlines
Nov 13
STS7:45 amSanta Rosa Sonoma County
18h 15m
1 stop
LHR10:00 amLondon Heathrow
Nov 18
LHR2:55 pmLondon Heathrow
15h 10m
1 stop
STS10:05 pmSanta Rosa Sonoma County
$999
Find similar
Alaska Airlines
Dec 5
STS11:55 amSanta Rosa Sonoma County
15h 25m
1 stop
LHR11:20 amLondon Heathrow
Dec 14
LHR11:50 amLondon Heathrow
18h 45m
1 stop
STS10:35 pmSanta Rosa Sonoma County
$1,049
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to London 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 12, 2025.
Use the filters below to find and compare flights from Santa Rosa to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 9/24

2:28 pm-1:40 pm

1 stop15h 12m

London Heathrow

Wed 10/1

9:50 am-8:23 pm

1 stop18h 33m

$724

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 9/24

2:28 pm-1:40 pm

1 stop15h 12m

London Heathrow

Wed 10/1

8:20 am-6:16 pm

2 stops17h 56m

$753

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

4:30 pm-12:06 pm

1 stop27h 36m

$755

Santa RosaLondon

STS - LGW

STSLGW

Santa Rosa Sonoma County

Wed 9/24

7:03 am-10:55 am

1 stop19h 52m

London Gatwick

Wed 10/1

10:55 am-7:12 pm

1 stop16h 17m

$774

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 11/11

7:45 am-12:30 pm

1 stop20h 45m

London Heathrow

Thu 11/20

11:50 am-11:59 pm

1 stop20h 09m

$949

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 10/6

4:17 pm-2:40 pm

1 stop14h 23m

London Heathrow

Thu 10/16

11:40 am-11:33 pm

1 stop19h 53m

$950

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 10/6

7:00 am-9:10 am

2 stops18h 10m

London Heathrow

Thu 10/16

1:10 pm-11:33 pm

2 stops18h 23m

$953

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 9/3

1:00 pm-12:45 pm

2 stops15h 45m

London Heathrow

Tue 9/9

4:25 pm-12:29 pm

2 stops28h 04m

$954

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 11/13

7:45 am-10:00 am

1 stop18h 15m

London Heathrow

Tue 11/18

2:55 pm-10:05 pm

1 stop15h 10m

$999

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 12/5

11:55 am-11:20 am

1 stop15h 25m

London Heathrow

Sun 12/14

11:50 am-10:35 pm

1 stop18h 45m

$1,049

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

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

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?

The cheapest day to depart from Santa Rosa to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $808. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $944. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from Santa Rosa in the morning is the least expensive time of day to depart. momondo users have found prices as low as $847 when looking at flights departing in the morning. Flights to London are more costly at noon, with an average ticket price of $980. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Santa Rosa to London

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

Cheap Santa Rosa to London (STS to LON) flight deals and tips

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

Best Price Found

$518

Fastest flight time

12h 52m

Direct flights

None

Airports in London

2 airports
The best one-way flight to London from Santa Rosa in the past 72 hours is $518. The best round-trip flight deal from Santa Rosa to London found on momondo in the last 72 hours is $724.
The fastest flight from Santa Rosa to London takes 12h 52m
There are no direct flights from Santa Rosa to London. Popular non-direct routes for this connection are Santa Rosa Sonoma County Airport - London Gatwick Airport and Santa Rosa Sonoma County Airport - London Heathrow Airport.
There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)
Search flight deals

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

    The straight-line distance from Santa Rosa Sonoma County to London is 5320.7 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?

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

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

    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.

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

    The required travel and health documents for your London 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. 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
Ilford
Brentwood
Colchester
Folkestone
Watford
Canterbury
Richmond
Wembley

Why use momondo?

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

It is quick and easy to find Santa Rosa to London 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 London that suits you.

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.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/17
Sun 8/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport