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$420+ Cheap flights from Santa Rosa (STS) to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LON
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Find flight deals from Santa Rosa to London

Cheapest flights from Santa Rosa to London
Explore the most affordable flight options available from Santa Rosa to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:00 amSTS - LHR
1 stop19h 00mMultiple Airlines
Sun 12/1412:45 pmLHR - STS
1 stop18h 09mMultiple Airlines
Deal found 10/21$675
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amSTS - LHR
2 stops17h 15mAmerican Airlines
Thu 12/113:10 pmLHR - STS
1 stop16h 42mAmerican Airlines
Deal found 10/20$680
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/712:57 pmSTS - LHR
2 stops17h 03mAmerican Airlines
Sun 12/141:45 pmLHR - STS
2 stops18h 07mAmerican Airlines
Deal found 10/20$780
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:00 amSTS - LHR
1 stop16h 10mMultiple Airlines
Sun 11/94:55 pmLHR - STS
1 stop25h 15mMultiple Airlines
Deal found 10/22$823
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:18 pmSTS - LHR
1 stop14h 22mAmerican Airlines
Sun 11/94:55 pmLHR - STS
1 stop25h 15mAmerican Airlines
Deal found 10/20$826
This Finnair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:00 amSTS - LHR
1 stop17h 00mMultiple Airlines
Tue 10/284:55 pmLHR - STS
1 stop24h 15mMultiple Airlines
Deal found 10/21$1,013
This Expedia deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:55 pmSTS - LGW
2 stops31h 00mMultiple Airlines
Thu 12/1111:55 amLGW - STS
2 stops17h 57mMultiple Airlines
Deal found 10/22$1,035
This Trip.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:21 pmSTS - LHR
1 stop14h 29mMultiple Airlines
Wed 12/2412:20 pmLHR - STS
1 stop17h 57mMultiple Airlines
Deal found 10/21$1,044
This Finnair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:00 amSTS - LHR
1 stop17h 00mMultiple Airlines
Mon 10/274:55 pmLHR - STS
1 stop24h 15mMultiple Airlines
Deal found 10/21$1,063
This Expedia deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:50 amSTS - LGW
2 stops19h 05mMultiple Airlines
Thu 12/1111:55 amLGW - STS
2 stops17h 57mMultiple Airlines
Deal found 10/20$3,154
This Expedia deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amSTS - LGW
2 stops20h 55mMultiple Airlines
Thu 1/17:40 pmLGW - STS
2 stops36h 38mMultiple Airlines
Deal found 10/21$4,099

Cheap flight deals from Santa Rosa to London

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$650
(American Airlines)

One-way from

$420
(Finnair)

Popular in

June

Cheapest in

September

Average price

$665
Provider with most accurate pricing for Santa Rosa Sonoma County-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-London (LON) flights.
Search Deals
From Santa Rosa Sonoma County to London (LON)
Search Deals
One-way flight from Santa Rosa Sonoma County to London (LON)
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from Santa Rosa to London that are best for you.

Fly from

Santa Rosa

Fly to

London

Route

Depart

Return

Price

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 12/7

7:50 am-11:20 am

1 stop19h 30m

London Heathrow

Sun 12/14

12:45 pm-10:54 pm

1 stop18h 09m

$675

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 12/4

7:00 am-8:15 am

2 stops17h 15m

London Heathrow

Thu 12/11

3:10 pm-11:52 pm

1 stop16h 42m

$680

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 12/4

2:06 pm-1:15 pm

2 stops15h 09m

London Heathrow

Thu 12/11

12:35 pm-11:52 pm

2 stops19h 17m

$680

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 12/7

12:57 pm-2:00 pm

2 stops17h 03m

London Heathrow

Sun 12/14

1:45 pm-11:52 pm

2 stops18h 07m

$780

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 2/21

4:18 pm-1:15 pm

1 stop12h 57m

London Heathrow

Sat 3/7

7:05 pm-11:19 am

2 stops24h 14m

$806

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 1/9

7:00 am-3:30 pm

1 stop24h 30m

London Heathrow

Sat 1/17

4:55 pm-9:56 am

1 stop25h 01m

$913

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 3/27

1:22 pm-3:30 pm

1 stop19h 08m

London Heathrow

Tue 3/31

2:45 pm-11:41 pm

1 stop16h 56m

$1,008

Santa RosaLondon

STS - LGW

STSLGW

Santa Rosa Sonoma County

Tue 12/2

7:55 pm-10:55 am

2 stops31h 00m

London Gatwick

Thu 12/11

11:55 am-9:52 pm

2 stops17h 57m

$1,035

Santa RosaLondon

STS - LGW

STSLGW

Santa Rosa Sonoma County

Thu 12/4

7:50 am-10:55 am

2 stops19h 05m

London Gatwick

Thu 12/11

11:55 am-9:52 pm

2 stops17h 57m

$3,154

Santa RosaLondon

STS - LGW

STSLGW

Santa Rosa Sonoma County

Mon 12/22

6:00 am-10:55 am

2 stops20h 55m

London Gatwick

Thu 1/1

7:40 pm-12:18 am

2 stops36h 38m

$4,099

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 20 results
1
2
  • Most accurate provider: When it comes to deals on Santa Rosa-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santa Rosa to London

Have a flexible travel schedule? Discover the best time to fly to London from Santa Rosa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Santa Rosa to London

What is the cheapest month to book a flight from Santa Rosa to London?

Currently, December is the cheapest month in which you can book a flight from Santa Rosa to London (average of $472). Flying from Santa Rosa to London in June is currently the most expensive (average of $802). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Santa Rosa to London?

    Most people fly from Santa Rosa Sonoma County (STS) if they book a flight from Santa Rosa to London. On average, Sonoma County has 0 outbound flights to London per day from 0 airlines. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.

  • Can I find deals for flights from Santa Rosa to London that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to London.

  • Can I find deals for business class flights from Santa Rosa to London?

    Yes. Cheapflights offers flight deals from Santa Rosa to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santa Rosa to London?

    Currently, December is the cheapest month in which you can book a flight from Santa Rosa to London (average of $472). Flying from Santa Rosa to London in June is currently the most expensive (average of $802). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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