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$367+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LHR
Apr 25 — May 21
Sat 4/25
Sat 5/2
1 adult, Economy
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Cheap 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 March 26, 2026.

This American Airlines deal was found by Cheapflights users on 3/22. 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 9/233:18 pm
STS
-
LHR
1 stop15h 02m
Multiple Airlines
Tue 10/139:50 am
LHR
-
STS
1 stop17h 20m
Multiple Airlines
Deal found 3/22$852
This Finnair deal was found by Cheapflights users on 3/23. 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 8/2612:35 pm
STS
-
LHR
1 stop14h 20m
Multiple Airlines
Tue 9/84:10 pm
LHR
-
STS
1 stop28h 15m
Multiple Airlines
Deal found 3/23$888
This Finnair deal was found by Cheapflights users on 3/25. 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 4/224:23 pm
STS
-
LHR
1 stop14h 42m
Multiple Airlines
Wed 5/64:10 pm
LHR
-
STS
1 stop28h 16m
Multiple Airlines
Deal found 3/25$906
This Finnair deal was found by Cheapflights users on 3/23. 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.
Sun 8/234:17 pm
STS
-
LHR
1 stop14h 48m
Multiple Airlines
Sat 9/54:10 pm
LHR
-
STS
1 stop28h 25m
Multiple Airlines
Deal found 3/23$908
This Finnair deal was found by Cheapflights users on 3/24. 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 9/212:35 pm
STS
-
LHR
1 stop14h 20m
Multiple Airlines
Sun 9/134:10 pm
LHR
-
STS
1 stop28h 15m
Multiple Airlines
Deal found 3/24$938
This American Airlines deal was found by Cheapflights users on 3/22. 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.
Mon 4/2012:56 pm
STS
-
LHR
1 stop18h 09m
American Airlines
Mon 4/2711:40 am
LHR
-
STS
1 stop30h 21m
American Airlines
Deal found 3/22$953
This American Airlines deal was found by Cheapflights users on 3/21. 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 5/37:00 am
STS
-
LHR
1 stop19h 15m
American Airlines
Sun 5/108:20 am
LHR
-
STS
1 stop22h 41m
American Airlines
Deal found 3/21$962
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Thu 5/77:00 am
STS
-
LHR
1 stop19h 15m
American Airlines
Thu 5/1410:05 am
LHR
-
STS
2 stops19h 17m
American Airlines
Deal found 3/23$966
This Finnair deal was found by Cheapflights users on 3/25. 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 8/1112:35 pm
STS
-
LHR
1 stop14h 20m
Multiple Airlines
Tue 9/84:10 pm
LHR
-
STS
1 stop28h 15m
Multiple Airlines
Deal found 3/25$968
This Finnair deal was found by Cheapflights users on 3/23. 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.
Sat 8/2912:35 pm
STS
-
LHR
1 stop14h 20m
Multiple Airlines
Tue 9/84:10 pm
LHR
-
STS
1 stop28h 15m
Multiple Airlines
Deal found 3/23$984

Find 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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$888
(Finnair)

One-way from

$367
(Finnair)

Popular in

June

Cheapest in

February

Average price

$700
Provider with most accurate pricing for Santa Rosa Sonoma County-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-London Heathrow flights.
Search Deals
From Santa Rosa Sonoma County to London Heathrow
Search Deals
One-way flight from Santa Rosa Sonoma County to London Heathrow
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 26, 2026.
Use the filters below to find and compare flights from Santa Rosa to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 8/23

4:17 pm-3:05 pm

1 stop14h 48m

London Heathrow

Sat 9/5

4:10 pm-12:35 pm

1 stop28h 25m

$908

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 7/20

8:09 pm-8:20 pm

2 stops16h 11m

London Heathrow

Mon 8/10

9:25 pm-4:15 pm

2 stops26h 50m

$1,131

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 5/11

4:23 pm-3:05 pm

1 stop14h 42m

London Heathrow

Mon 5/25

4:35 pm-12:03 pm

2 stops27h 28m

$1,190
Quickest round-trip

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 6/1

8:26 pm-8:20 pm

2 stops15h 54m

London Heathrow

Fri 6/5

1:05 pm-11:30 pm

2 stops18h 25m

$1,209

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 7/20

8:09 pm-8:20 pm

2 stops16h 11m

London Heathrow

Fri 8/7

9:25 pm-4:15 pm

2 stops26h 50m

$1,216

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 9/19

7:12 am-3:05 pm

1 stop23h 53m

London Heathrow

Wed 9/23

5:00 pm-7:10 pm

1 stop34h 10m

$1,218

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 5/7

1:13 pm-8:20 pm

2 stops23h 07m

London Heathrow

Mon 5/18

1:05 pm-11:30 pm

2 stops18h 25m

$1,222

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 6/3

8:26 pm-8:20 pm

2 stops15h 54m

London Heathrow

Sun 6/7

1:05 pm-11:30 pm

2 stops18h 25m

$1,257

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 6/1

8:26 pm-8:20 pm

2 stops15h 54m

London Heathrow

Mon 6/15

9:25 pm-10:51 pm

2 stops33h 26m

$1,276

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 6/1

8:26 pm-3:05 pm

1 stop34h 39m

London Heathrow

Fri 6/12

5:00 pm-12:17 pm

1 stop27h 17m

$1,283

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 21 resultsSorted by cheapest first
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2
3
  • Most accurate provider: When it comes to deals on Santa Rosa-London Heathrow Airport 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 Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-London Heathrow Airport 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 Heathrow Airport 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 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, October is the cheapest month in which you can book a flight from Santa Rosa to London Heathrow Airport (average of $497). Flying from Santa Rosa to London Heathrow Airport in June is currently the most expensive (average of $696). 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, October is the cheapest month in which you can book a flight from Santa Rosa to London Heathrow Airport (average of $497). Flying from Santa Rosa to London Heathrow Airport in June is currently the most expensive (average of $696). 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
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton

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