HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$489+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LON
May 6 — May 131
Tue 5/6
Tue 5/13
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

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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$908
(Alaska Airlines)

One-way from

$489
(Finnair)

Popular in

June

Cheapest in

October

Average price

$790
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. 18% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:00 amSTS - LHR
1 stop16h 00mAlaska Airlines
Thu 10/3011:50 amLHR - STS
1 stop17h 45mAlaska Airlines
Deal found 4/30$908
This Finnair deal was found by Cheapflights users on 4/29. 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 10/148:00 amSTS - LHR
1 stop16h 00mMultiple Airlines
Tue 10/2811:50 amLHR - STS
1 stop17h 45mMultiple Airlines
Deal found 4/29$948
This American Airlines deal was found by Cheapflights users on 4/29. 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 8/3112:48 pmSTS - LHR
1 stop16h 02mAmerican Airlines
Thu 9/112:45 pmLHR - STS
1 stop17h 14mAmerican Airlines
Deal found 4/29$971
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/147:23 pmSTS - LGW
1 stop31h 32mMultiple Airlines
Sat 6/218:10 pmLGW - STS
2 stops46h 56mMultiple Airlines
Deal found 4/30$1,000
This Finnair deal was found by Cheapflights users on 4/29. 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 8/23:05 pmSTS - LHR
1 stop32h 55mFinnair
Wed 8/131:00 pmLHR - STS
2 stops42h 44mFinnair
Deal found 4/29$1,021
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/113:05 pmSTS - LHR
2 stops22h 10mIberia
Wed 7/3011:40 amLHR - STS
1 stop20h 04mIberia
Deal found 4/30$1,400
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 6/147:00 amSTS - LGW
2 stops20h 55mAmerican Airlines
Sat 6/212:30 pmLGW - STS
2 stops29h 15mAmerican Airlines
Deal found 4/30$1,431

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 May 1, 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

Tue 10/21

8:00 am-8:00 am

1 stop16h 00m

London Heathrow

Thu 10/30

11:50 am-10:35 pm

1 stop17h 45m

$908

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 10/14

8:00 am-8:00 am

1 stop16h 00m

London Heathrow

Tue 10/28

11:50 am-10:35 pm

1 stop17h 45m

$948

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 8/31

12:48 pm-12:50 pm

1 stop16h 02m

London Heathrow

Thu 9/11

2:45 pm-11:59 pm

1 stop17h 14m

$971

Santa RosaLondon

STS - LGW

STSLGW

Santa Rosa Sonoma County

Sat 6/14

7:23 pm-10:55 am

1 stop31h 32m

London Gatwick

Sat 6/21

8:10 pm-11:06 am

2 stops46h 56m

$1,000

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 8/2

3:05 pm-8:00 am

1 stop32h 55m

London Heathrow

Wed 8/13

1:00 pm-11:44 pm

2 stops42h 44m

$1,021

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 7/11

3:05 pm-9:15 pm

2 stops22h 10m

London Heathrow

Wed 7/30

11:40 am-11:44 pm

1 stop20h 04m

$1,400

Santa RosaLondon

STS - LGW

STSLGW

Santa Rosa Sonoma County

Sat 6/14

7:00 am-11:55 am

2 stops20h 55m

London Gatwick

Sat 6/21

2:30 pm-11:45 am

2 stops29h 15m

$1,431

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 7/21

4:16 pm-2:40 pm

1 stop14h 24m

$489

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 5/13

12:45 pm-5:05 pm

2 stops20h 20m

$671

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 6/25

3:05 pm-4:05 pm

1 stop17h 00m

$931

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 13 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, November is the cheapest month in which you can book a flight from Santa Rosa to London (average of $661). Flying from Santa Rosa to London in June is currently the most expensive (average of $1,103). 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.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated May 1, 2025.
Read through reviews of airlines operating flights from Santa Rosa to London, such as Alaska Airlines, Finnair and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Finnair
7.6
Good
1,275 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Iberia
7.0
Good
2,700 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Santa Rosa to London one-way?

    The cheapest airline one-way is Finnair, with whom users have recently found tickets for as low as $671. However, be on the lookout for offers from Iberia and Alaska Airlines, as they are both options that can get you from Santa Rosa to London for a low price.

  • 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, November is the cheapest month in which you can book a flight from Santa Rosa to London (average of $661). Flying from Santa Rosa to London in June is currently the most expensive (average of $1,103). 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 Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
Orpington
Watford
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Sutton
Chelmsford
Brentwood

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
San Francisco to London City flights
Los Angeles to Luton flights
San Diego to Heathrow flights
Ontario to Heathrow flights
Las Vegas to Heathrow flights
San Diego to Gatwick flights
Los Angeles to Stansted flights
San Diego to London City flights
San Francisco to Edinburgh flights
San Francisco to Stansted flights
Los Angeles to Edinburgh flights
Las Vegas to Gatwick flights
Sacramento to Heathrow flights
San Jose to Heathrow flights
Los Angeles to Southend flights
Las Vegas to London City flights
Santa Ana to Heathrow flights
Oakland to Heathrow flights
Los Angeles to Manchester flights
Sacramento to Gatwick flights
Reno to Heathrow flights
San Francisco to Luton flights
San Jose to Gatwick flights
San Francisco to Manchester flights
San Francisco to Southampton flights
San Diego to Edinburgh flights
Oakland to Gatwick flights
Burbank to Heathrow flights
Reno to London City flights
Reno to Gatwick flights
Sacramento to London City flights
Ontario to Edinburgh flights
Palm Springs to Heathrow flights
San Francisco to Birmingham flights
Los Angeles to Southampton flights
Las Vegas to Edinburgh flights
Santa Rosa to Heathrow flights
Ontario to Manchester flights
Las Vegas to Manchester flights
Long Beach to Heathrow flights
San Jose to Edinburgh flights
Sacramento to Edinburgh flights
Los Angeles to Birmingham flights
Burbank to Manchester flights
Santa Ana to Manchester 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.