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$322+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
STS — LHR
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$753
(American Airlines)

One-way from

$322
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$919
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. 17% potential increase in price ($157 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 July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 10/112:25 pmSTS - LHR
1 stop18h 00mMultiple Airlines
Wed 11/53:00 pmLHR - STS
1 stop14h 50mMultiple Airlines
Deal found 6/30$753
This Finnair deal was found by Cheapflights users on 7/3. 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 9/23:07 pmSTS - LHR
1 stop16h 58mFinnair
Thu 10/3011:50 amLHR - STS
1 stop19h 09mFinnair
Deal found 7/3$992
This American Airlines deal was found by Cheapflights users on 7/1. 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 9/114:19 pmSTS - LHR
1 stop14h 21mAmerican Airlines
Sun 9/142:45 pmLHR - STS
1 stop17h 14mAmerican Airlines
Deal found 7/1$1,053
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/156:00 amSTS - LHR
2 stops20h 55mAlaska Airlines
Fri 8/222:45 pmLHR - STS
1 stop17h 14mAlaska Airlines
Deal found 7/1$1,183

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 July 3, 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 10/1

12:25 pm-2:25 pm

1 stop18h 00m

London Heathrow

Wed 11/5

3:00 pm-9:50 pm

1 stop14h 50m

$753

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 9/2

3:07 pm-4:05 pm

1 stop16h 58m

London Heathrow

Thu 10/30

11:50 am-11:59 pm

1 stop19h 09m

$992

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 9/11

4:19 pm-2:40 pm

1 stop14h 21m

London Heathrow

Sun 9/14

2:45 pm-11:59 pm

1 stop17h 14m

$1,053

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 8/15

6:00 am-10:55 am

2 stops20h 55m

London Heathrow

Fri 8/22

2:45 pm-11:59 pm

1 stop17h 14m

$1,183

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 9/3

2:28 pm-8:20 pm

2 stops21h 52m

$322

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 9/7

1:00 pm-12:50 pm

1 stop15h 50m

$563

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 8/19

3:05 pm-4:05 pm

1 stop17h 00m

$573

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 9/4

7:03 am-8:00 am

1 stop16h 57m

$613

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 9/5

3:07 pm-4:05 pm

1 stop16h 58m

$1,104

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 $1,098). 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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Santa Rosa to London Heathrow Airport, such as Alaska Airlines, Finnair, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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
1,306 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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
2,820 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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 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.

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

    One-way options have recently been found by users for as low as $563 on American Airlines. Other airlines that offer cheap prices include Finnair from $573 and Alaska Airlines from $613 one-way.

  • 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 $1,098). 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
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
Chelmsford
Brentwood
Chichester
Swindon

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