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$454+ Cheap flights from Santa Rosa (STS) to Heathrow (LHR)

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LHR
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Santa Rosa to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Heathrow (LHR). 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 September 16, 2025.

Round-trip from

$712
(American Airlines)

One-way from

$454
(Finnair)

Popular in

June

Cheapest in

October

Average price

$663
From Santa Rosa Sonoma County to London Heathrow
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One-way flight from Santa Rosa Sonoma County to London Heathrow
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Highest demand for flights based on searches. 16% potential increase in price ($150 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Santa Rosa to Heathrow

Cheapest flights from Santa Rosa to Heathrow
Explore the most affordable flight options available from Santa Rosa to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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 10/2912:00 pmSTS - LHR
1 stop16h 20mMultiple Airlines
Wed 11/51:45 pmLHR - STS
1 stop13h 42mMultiple Airlines
Deal found 9/13$712
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/312:22 pmSTS - LHR
1 stop14h 58mMultiple Airlines
Fri 11/72:55 pmLHR - STS
1 stop15h 10mMultiple Airlines
Deal found 9/16$762
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/54:19 pmSTS - LHR
1 stop14h 21mMultiple Airlines
Tue 10/149:25 amLHR - STS
1 stop20h 41mMultiple Airlines
Deal found 9/14$770
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/54:19 pmSTS - LHR
1 stop14h 21mAmerican Airlines
Tue 10/144:25 pmLHR - STS
1 stop27h 36mAmerican Airlines
Deal found 9/15$771

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Heathrow 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 September 16, 2025.
Use the filters below to find and compare flights from Santa Rosa to London Heathrow Airport that are best for you.

Fly from

Santa Rosa

Fly to

Heathrow

Route

Depart

Return

Price

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 10/29

12:00 pm-11:20 am

1 stop16h 20m

London Heathrow

Wed 11/5

1:45 pm-7:27 pm

1 stop13h 42m

$712

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 10/5

4:19 pm-2:40 pm

1 stop14h 21m

London Heathrow

Tue 10/14

9:25 am-10:06 pm

1 stop20h 41m

$770

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 10/31

12:53 pm-12:15 pm

2 stops16h 22m

London Heathrow

Fri 11/7

12:50 pm-11:57 pm

1 stop19h 07m

$826

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 2/11

12:45 pm-1:15 pm

1 stop16h 30m

$454

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 10/15

4:17 pm-2:40 pm

1 stop14h 23m

$498

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 10/22

4:17 pm-2:40 pm

1 stop14h 23m

$498

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 2/12

12:49 pm-1:15 pm

1 stop16h 26m

$504

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 9/24

1:00 pm-2:25 pm

2 stops17h 25m

$549

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 10/23

6:51 pm-1:00 pm

1 stop34h 09m

$593

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 9/25

1:00 pm-2:25 pm

2 stops17h 25m

$599

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 13 results
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Best time to book a flight from Santa Rosa to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, November is the cheapest month in which you can book a flight from Santa Rosa to London Heathrow Airport (average of $661). Flying from Santa Rosa to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 Heathrow. 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 Heathrow?

    Most people fly from Santa Rosa Sonoma County (STS) if they book a flight from Santa Rosa to London Heathrow. On average, Sonoma County has 0 outbound flights to London Heathrow 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 Heathrow that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Heathrow 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 Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Santa Rosa to London Heathrow Airport (average of $661). Flying from Santa Rosa to London Heathrow Airport in June is currently the most expensive (average of $1,097). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone
Chichester

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