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Cheap flights from London Heathrow Airport to Santa Rosa from £518

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — STS
20 Aug — 27 Aug1
1 adult

Cheap flight deals from Heathrow to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Santa Rosa (STS). 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 15 August 2025.

Round-trip from

£699

One-way from

£518

Popular in

July

Cheapest in

February

Average price

£611
American Airlines
  • American Airlines
  • 27/9-4/10
  • 3 total stops
  • 34h 42m total
  • London to Santa Rosa
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21/9
  • 21/9
  • 2 total stops
  • 21h 39m total
  • London to Santa Rosa
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£66 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Heathrow to Santa Rosa

Cheapest flights from Heathrow to Santa Rosa
Explore the most affordable flight options available from Heathrow to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Sat 27/908:20LHR - STS
2 stops18h 52mMultiple Airlines
Sat 4/1013:00STS - LHR
1 stop15h 50mMultiple Airlines
Deal found 13/8£699
Wed 10/910:10LHR - STS
1 stop17h 02mMultiple Airlines
Wed 17/915:07STS - LHR
1 stop15h 28mMultiple Airlines
Deal found 13/8£826
Mon 29/1215:10LHR - STS
1 stop17h 08mMultiple Airlines
Sat 10/108:00STS - LHR
1 stop18h 00mMultiple Airlines
Deal found 13/8£917
Wed 17/1216:55LHR - STS
1 stop25h 36mMultiple Airlines
Sat 27/1215:53STS - LHR
1 stop15h 37mMultiple Airlines
Deal found 14/8£940
Tue 16/1211:50LHR - STS
1 stop18h 45mMultiple Airlines
Fri 26/1215:53STS - LHR
1 stop14h 07mMultiple Airlines
Deal found 14/8£963
Wed 17/1216:55LHR - STS
1 stop25h 36mMultiple Airlines
Fri 26/1215:53STS - LHR
1 stop15h 37mMultiple Airlines
Deal found 14/8£981
Sun 19/1014:20LHR - STS
1 stop17h 13mMultiple Airlines
Sun 26/1016:17STS - LHR
1 stop13h 58mMultiple Airlines
Deal found 12/8£1,042
Mon 13/1014:20LHR - STS
1 stop17h 13mMultiple Airlines
Thu 16/1017:31STS - LHR
1 stop14h 34mMultiple Airlines
Deal found 14/8£1,386
Wed 20/809:50LHR - STS
1 stop18h 18mMultiple Airlines
Sun 31/815:07STS - LHR
1 stop16h 58mMultiple Airlines
Deal found 13/8£1,505
Mon 25/816:55LHR - STS
1 stop15h 04mMultiple Airlines
Thu 28/807:03STS - LHR
1 stop16h 57mMultiple Airlines
Deal found 13/8£2,922

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Santa Rosa 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 858,174 searches. Data last updated 15 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Santa Rosa that are best for you.

Fly from

Heathrow

Fly to

Santa Rosa

Route

Depart

Return

Price

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sat 27/9

08:20-19:12

2 stops18h 52m

Santa Rosa Sonoma County

Sat 4/10

13:00-12:50

1 stop15h 50m

£699

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 10/9

10:10-19:12

1 stop17h 02m

Santa Rosa Sonoma County

Wed 17/9

15:07-14:35

1 stop15h 28m

£826

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 29/12

15:10-00:18

1 stop17h 08m

Santa Rosa Sonoma County

Sat 10/1

08:00-10:00

1 stop18h 00m

£917

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 17/12

16:55-10:31

1 stop25h 36m

Santa Rosa Sonoma County

Sat 27/12

15:53-15:30

1 stop15h 37m

£940

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Tue 16/12

11:50-22:35

1 stop18h 45m

Santa Rosa Sonoma County

Fri 26/12

15:53-14:00

1 stop14h 07m

£963

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Wed 17/12

16:55-10:31

1 stop25h 36m

Santa Rosa Sonoma County

Fri 26/12

15:53-15:30

1 stop15h 37m

£981

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sun 19/10

14:20-23:33

1 stop17h 13m

Santa Rosa Sonoma County

Sun 26/10

16:17-13:15

1 stop13h 58m

£1,042

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 13/10

14:20-23:33

1 stop17h 13m

Santa Rosa Sonoma County

Thu 16/10

17:31-16:05

1 stop14h 34m

£1,386

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Mon 25/8

16:55-23:59

1 stop15h 04m

Santa Rosa Sonoma County

Thu 28/8

07:03-08:00

1 stop16h 57m

£2,922

LondonSanta Rosa

LHR - STS

LHRSTS

London Heathrow

Sun 7/9

08:20-23:59

2 stops23h 39m

Santa Rosa Sonoma County

Mon 15/9

12:25-10:50

1 stop14h 25m

£5,456

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 18 results
1
2

Best time to book a flight from Heathrow to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Heathrow with our price prediction graph.
Estimated return 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 London Heathrow Airport to Santa Rosa

What is the cheapest time of day to fly from LHR to STS?

Find hourly flight availability from Heathrow to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 August 2025.

When flying from London Heathrow Airport to Santa Rosa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 26% versus a flight at midday.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Santa Rosa. 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 into for flights to Santa Rosa from London Heathrow?

    Santa Rosa Sonoma County (STS) is the airport you will fly into if you book a flight from London Heathrow to Santa Rosa. You should not have trouble finding flights to Sonoma County from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Santa Rosa airport from London Heathrow. It is only a 7.2 mi journey from Sonoma County (STS) to Santa Rosa’s city center.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Heathrow to Santa Rosa

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Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Santa Rosa?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Santa Rosa. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Santa Rosa?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Santa Rosa for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Santa Rosa with no change fees?

Need flexible booking options for your flight to Santa Rosa from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Santa Rosa become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to Santa Rosa on Cheapflights with our Price Alert feature and get notified when better prices are available.

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