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$342+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LHR
May 9 — May 161
Sat 5/9
Sat 5/16
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 April 9, 2026.

This Finnair deal was found by Cheapflights users on 4/9. 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 8/111:09 pm
STS
-
LHR
1 stop17h 56m
Multiple Airlines
Tue 8/254:10 pm
LHR
-
STS
1 stop28h 25m
Multiple Airlines
Deal found 4/9$906
This Finnair deal was found by Cheapflights users on 4/7. 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 10/74:20 pm
STS
-
LHR
1 stop14h 45m
Multiple Airlines
Tue 10/204:10 pm
LHR
-
STS
1 stop28h 11m
Multiple Airlines
Deal found 4/7$935
This Finnair deal was found by Cheapflights users on 4/5. 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 7/2112:43 pm
STS
-
LHR
1 stop14h 12m
Multiple Airlines
Wed 8/124:10 pm
LHR
-
STS
1 stop28h 25m
Multiple Airlines
Deal found 4/5$965
This Finnair deal was found by Cheapflights users on 4/5. 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.
Mon 5/44:23 pm
STS
-
LHR
1 stop14h 42m
Multiple Airlines
Wed 5/134:10 pm
LHR
-
STS
1 stop28h 16m
Multiple Airlines
Deal found 4/5$966
This Finnair deal was found by Cheapflights users on 4/6. 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 9/14:17 pm
STS
-
LHR
1 stop14h 48m
Multiple Airlines
Sun 9/134:10 pm
LHR
-
STS
1 stop28h 15m
Multiple Airlines
Deal found 4/6$986
This Finnair deal was found by Cheapflights users on 4/5. 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 10/94:20 pm
STS
-
LHR
1 stop14h 45m
Multiple Airlines
Tue 10/134:10 pm
LHR
-
STS
1 stop28h 11m
Multiple Airlines
Deal found 4/5$1,016
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Mon 11/97:12 am
STS
-
LHR
1 stop21h 08m
Alaska Airlines
Fri 11/132:45 pm
LHR
-
STS
1 stop30h 43m
Alaska Airlines
Deal found 4/6$1,028
This Finnair deal was found by Cheapflights users on 4/8. 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.
Thu 10/1512:35 pm
STS
-
LHR
1 stop14h 20m
Multiple Airlines
Mon 10/194:10 pm
LHR
-
STS
1 stop28h 11m
Multiple Airlines
Deal found 4/8$1,036
This Finnair deal was found by Cheapflights users on 4/5. 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.
Thu 11/1212:38 pm
STS
-
LHR
1 stop16h 37m
Multiple Airlines
Mon 11/163:00 pm
LHR
-
STS
1 stop29h 06m
Multiple Airlines
Deal found 4/5$1,037
This Finnair deal was found by Cheapflights users on 4/8. 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 8/124:17 pm
STS
-
LHR
1 stop14h 48m
Multiple Airlines
Thu 8/274:10 pm
LHR
-
STS
1 stop28h 25m
Multiple Airlines
Deal found 4/8$1,042
This Icelandair deal was found by Cheapflights users on 4/6. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:13 pm
STS
-
LHR
2 stops23h 07m
Multiple Airlines
Wed 5/131:05 pm
LHR
-
STS
2 stops18h 25m
Multiple Airlines
Deal found 4/6$1,049

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 April 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$906
(Finnair)

One-way from

$342
(Finnair)

Popular in

June

Cheapest in

February

Average price

$722
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. 19% potential increase in price ($179 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 April 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 April 9, 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

Tue 8/11

1:09 pm-3:05 pm

1 stop17h 56m

London Heathrow

Tue 8/25

4:10 pm-12:35 pm

1 stop28h 25m

$906

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 4/21

7:30 am-11:55 am

2 stops20h 25m

London Heathrow

Sun 4/26

9:25 pm-10:57 pm

2 stops33h 32m

$1,092

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 8/12

11:47 am-10:50 am

1 stop15h 03m

London Heathrow

Thu 8/27

6:15 am-9:31 pm

2 stops23h 16m

$1,106

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 8/10

11:47 am-12:45 pm

1 stop16h 58m

London Heathrow

Wed 8/19

8:20 am-9:31 pm

1 stop21h 11m

$1,130

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 5/4

1:13 pm-8:20 pm

2 stops23h 07m

London Heathrow

Wed 5/13

1:05 pm-11:30 pm

2 stops18h 25m

$1,141

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 5/8

7:00 am-12:45 pm

1 stop21h 45m

London Heathrow

Fri 5/15

11:40 am-9:22 pm

1 stop17h 42m

$1,210

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 8/27

7:00 am-11:55 am

2 stops20h 55m

London Heathrow

Tue 9/1

9:25 pm-11:19 pm

2 stops33h 54m

$1,258

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 4/20

12:10 pm-12:45 pm

1 stop16h 35m

London Heathrow

Thu 4/30

11:40 am-11:01 pm

1 stop19h 21m

$1,274
Quickest round-trip

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 4/20

12:10 pm-12:45 pm

1 stop16h 35m

London Heathrow

Thu 5/7

3:05 pm-11:01 pm

1 stop15h 56m

$1,304

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 4/20

12:10 pm-12:45 pm

1 stop16h 35m

London Heathrow

Wed 5/6

3:05 pm-11:59 pm

1 stop16h 54m

$1,304

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/7

Showing 1-10 of 23 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 $496). 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 $496). 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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