HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$328+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LON
Feb 23 — Mar 21
Mon 2/23
Mon 3/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 24, 2026.

This American Airlines deal was found by Cheapflights users on 1/22. 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.
Tue 9/294:21 pm
STS
-
LHR
1 stop14h 44m
American Airlines
Thu 10/158:20 am
LHR
-
STS
1 stop23h 25m
American Airlines
Deal found 1/22$655
This American Airlines deal was found by Cheapflights users on 1/23. 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.
Mon 3/98:00 am
STS
-
LHR
1 stop20h 20m
Multiple Airlines
Mon 3/1612:50 pm
LHR
-
STS
1 stop17h 19m
Multiple Airlines
Deal found 1/23$658
This Finnair deal was found by Cheapflights users on 1/23. 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.
Wed 9/212:17 pm
STS
-
LHR
1 stop14h 38m
Multiple Airlines
Wed 9/164:10 pm
LHR
-
STS
1 stop28h 15m
Multiple Airlines
Deal found 1/23$719
This Finnair deal was found by Cheapflights users on 1/23. 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 9/254:21 pm
STS
-
LHR
1 stop14h 44m
Multiple Airlines
Tue 10/64:10 pm
LHR
-
STS
1 stop28h 11m
Multiple Airlines
Deal found 1/23$769
This Finnair deal was found by Cheapflights users on 1/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/44:23 pm
STS
-
LHR
1 stop14h 42m
Multiple Airlines
Sun 4/124:10 pm
LHR
-
STS
1 stop28h 16m
Multiple Airlines
Deal found 1/22$791
This American Airlines deal was found by Cheapflights users on 1/22. 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.
Wed 2/111:15 pm
STS
-
LHR
2 stops16h 45m
American Airlines
Fri 2/272:25 pm
LHR
-
STS
1 stop30h 08m
American Airlines
Deal found 1/22$824
This Finnair deal was found by Cheapflights users on 1/23. 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.
Tue 8/184:17 pm
STS
-
LHR
1 stop14h 48m
Multiple Airlines
Tue 9/224:10 pm
LHR
-
STS
1 stop28h 15m
Multiple Airlines
Deal found 1/23$825
This KAYAK deal was found by Cheapflights users on 1/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:21 pm
STS
-
LHR
1 stop14h 44m
Multiple Airlines
Thu 10/1510:30 am
LHR
-
STS
2 stops21h 15m
Multiple Airlines
Deal found 1/22$829
This Finnair deal was found by Cheapflights users on 1/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:17 pm
STS
-
LHR
1 stop14h 38m
Multiple Airlines
Sat 9/124:10 pm
LHR
-
STS
1 stop28h 15m
Multiple Airlines
Deal found 1/22$838
This Iberia deal was found by Cheapflights users on 1/23. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:10 pm
STS
-
LGW
2 stops23h 50m
Iberia
Sun 4/269:10 am
LGW
-
STS
2 stops21h 51m
Iberia
Deal found 1/23$1,070
This Expedia deal was found by Cheapflights users on 1/23. 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 3/96:50 pm
STS
-
LGW
2 stops33h 05m
Multiple Airlines
Mon 3/1611:55 am
LGW
-
STS
2 stops28h 19m
Multiple Airlines
Deal found 1/23$1,092
This Iberia deal was found by Cheapflights users on 1/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:20 am
STS
-
LGW
2 stops42h 30m
Iberia
Sun 6/142:55 pm
LGW
-
STS
2 stops61h 22m
Iberia
Deal found 1/21$1,247

Find 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 January 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$658
(American Airlines)

One-way from

$328
(Finnair)

Popular in

June

Cheapest in

September

Average price

$659
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. 17% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 24, 2026.
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

Sat 4/4

4:23 pm-3:05 pm

1 stop14h 42m

London Heathrow

Sun 4/12

4:10 pm-12:26 pm

1 stop28h 16m

$791

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 3/18

4:23 pm-1:15 pm

1 stop13h 52m

London Heathrow

Fri 4/10

4:10 pm-12:26 pm

1 stop28h 16m

$844

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 4/17

4:23 pm-3:05 pm

1 stop14h 42m

London Heathrow

Sun 4/26

4:10 pm-12:26 pm

1 stop28h 16m

$849

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 3/9

7:00 am-9:05 pm

2 stops31h 05m

London Heathrow

Mon 3/16

7:50 am-11:50 pm

2 stops23h 00m

$859

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 3/8

7:48 pm-4:50 pm

2 stops38h 02m

London Heathrow

Sun 3/15

7:50 am-11:50 pm

2 stops23h 00m

$941

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 4/3

12:10 pm-3:05 pm

1 stop18h 55m

London Heathrow

Sun 4/12

8:20 am-11:59 pm

1 stop23h 39m

$1,038

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 5/16

4:23 pm-3:05 pm

1 stop14h 42m

London Heathrow

Sat 5/23

8:20 am-9:22 pm

1 stop21h 02m

$1,041

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 7/6

4:26 pm-3:05 pm

1 stop14h 39m

London Heathrow

Mon 7/20

4:10 pm-12:35 pm

1 stop28h 25m

$1,064

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 5/22

1:05 pm-10:55 am

1 stop13h 50m

London Heathrow

Fri 5/29

7:40 pm-12:25 pm

2 stops24h 45m

$1,067

Santa RosaLondon

STS - LGW

STSLGW

Santa Rosa Sonoma County

Fri 4/17

12:10 pm-8:00 pm

2 stops23h 50m

London Gatwick

Sun 4/26

9:10 am-11:01 pm

2 stops21h 51m

$1,070

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 38 results
1
2
3
4

Compare providers for flights from Santa Rosa to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to London in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 Ovago the most. Ovago 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, October is the cheapest month in which you can book a flight from Santa Rosa to London (average of $497). Flying from Santa Rosa to London in June is currently the most expensive (average of $807). 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.

  • How long is the flight from Santa Rosa to London?

    Airlines like Iberia fly from Santa Rosa to London in about 23h 50m. The time it takes to get you to your destination can typically vary by up to . The distance between Santa Rosa and London is about 5336 mi.

  • 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, October is the cheapest month in which you can book a flight from Santa Rosa to London (average of $497). Flying from Santa Rosa to London in June is currently the most expensive (average of $807). 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santa Rosa to London

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
San Francisco to Gatwick flights
Los Angeles to Stansted flights
San Francisco to London City flights
San Diego to Heathrow flights
San Francisco to Stansted flights
Ontario to Heathrow flights
Las Vegas to Heathrow flights
Los Angeles to Luton flights
Santa Ana to Heathrow flights
San Diego to Gatwick flights
San Francisco to Luton flights
Los Angeles to Edinburgh flights
San Diego to London City flights
Sacramento to Heathrow flights
San Francisco to Edinburgh flights
Las Vegas to Gatwick flights
San Jose to Heathrow flights
Los Angeles to Manchester flights
Las Vegas to London City flights
San Diego to Stansted flights
Sacramento to Gatwick flights
Sacramento to London City flights
Burbank to Heathrow flights
Oakland to Heathrow flights
Ontario to Gatwick flights
San Jose to Gatwick flights
Santa Ana to Edinburgh flights
Las Vegas to Stansted flights
Reno to Heathrow flights
Ontario to Edinburgh flights
Sacramento to Edinburgh flights
San Francisco to Manchester flights
Los Angeles to Southampton flights
Burbank to Gatwick flights
Las Vegas to Edinburgh flights
Santa Ana to Manchester flights
Oakland to Gatwick flights
Sacramento to Stansted flights
San Diego to Edinburgh flights
Santa Rosa to Heathrow flights
San Francisco to Southampton flights
Ontario to Manchester flights
San Jose to Edinburgh flights
Burbank to Manchester flights
Reno to Gatwick flights
San Jose to London City flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.