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Cheap flights from Santa Rosa to London from £346

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to London departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Multiple Airlines Logo
07:00 - 10:50STS-LHR
19h 50m2 stops
Multiple Airlines Logo
12:15 - 22:05LHR-STS
17h 50m2 stops
£550Multiple Airlines
Find Deal
Fri, 7 Nov - Fri, 14 Nov
Multiple Airlines Logo
07:00 - 07:10STS-LHR
16h 10m1 stop
Multiple Airlines Logo
14:55 - 22:05LHR-STS
15h 10m1 stop
£592Multiple Airlines
Find Deal
Fri, 7 Nov - Fri, 14 Nov
Multiple Airlines Logo
14:22 - 12:20STS-LHR
13h 58m1 stop
Multiple Airlines Logo
10:05 - 17:54LHR-STS
15h 49m1 stop
£593Multiple Airlines
Find Deal
Thu, 6 Nov - Thu, 13 Nov
Multiple Airlines Logo
12:49 - 13:15STS-LHR
16h 26m1 stop
Multiple Airlines Logo
18:00 - 11:19LHR-STS
25h 19m2 stops
£622Multiple Airlines
Find Deal
Wed, 25 Feb - Sat, 7 Mar
American Airlines Logo
12:31 - 14:25STS-LHR
17h 54m1 stop
American Airlines Logo
16:55 - 10:10LHR-STS
24h 15m1 stop
£704American Airlines
Find Deal
Wed, 22 Oct - Tue, 28 Oct
American Airlines Logo
16:17 - 14:40STS-LHR
14h 23m1 stop
American Airlines Logo
16:25 - 12:21LHR-STS
27h 56m2 stops
£707American Airlines
Find Deal
Wed, 15 Oct - Tue, 21 Oct
Alaska Airlines Logo
07:00 - 08:00STS-LHR
17h 00m1 stop
Alaska Airlines Logo
09:50 - 22:06LHR-STS
20h 16m1 stop
£732Alaska Airlines
Find Deal
Wed, 15 Oct - Wed, 22 Oct
American Airlines Logo
07:00 - 06:50STS-LHR
15h 50m2 stops
American Airlines Logo
19:05 - 12:21LHR-STS
24h 16m2 stops
£735American Airlines
Find Deal
Wed, 22 Oct - Tue, 28 Oct
Alaska Airlines Logo
07:00 - 14:00STS-LHR
23h 00m1 stop
Alaska Airlines Logo
14:55 - 21:52LHR-STS
14h 57m1 stop
£741Alaska Airlines
Find Deal
Thu, 4 Dec - Thu, 11 Dec
Alaska Airlines Logo
07:00 - 12:20STS-LHR
21h 20m1 stop
Alaska Airlines Logo
16:55 - 17:19LHR-STS
32h 24m1 stop
£745Alaska Airlines
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Sun, 7 Dec - Sun, 14 Dec

American Airlines flights from Santa Rosa to London Heathrow Airport

Our best American Airlines deals on Santa Rosa to London Heathrow Airport flight tickets
American Airlines
22 Oct
STS12:31Santa Rosa Sonoma County
17h 54m
1 stop
LHR14:25London Heathrow
28 Oct
LHR16:55London Heathrow
24h 15m
1 stop
STS10:10Santa Rosa Sonoma County
£704
Find similar
American Airlines
15 Oct
STS16:17Santa Rosa Sonoma County
14h 23m
1 stop
LHR14:40London Heathrow
21 Oct
LHR16:25London Heathrow
27h 56m
2 stops
STS12:21Santa Rosa Sonoma County
£707
Find similar
American Airlines
22 Oct
STS07:00Santa Rosa Sonoma County
15h 50m
2 stops
LHR06:50London Heathrow
28 Oct
LHR19:05London Heathrow
24h 16m
2 stops
STS12:21Santa Rosa Sonoma County
£735
Find similar

Alaska Airlines flights from Santa Rosa to London Heathrow Airport

Our best Alaska Airlines deals on Santa Rosa to London Heathrow Airport flight tickets
Alaska Airlines
15 Oct
STS07:00Santa Rosa Sonoma County
17h 00m
1 stop
LHR08:00London Heathrow
22 Oct
LHR09:50London Heathrow
20h 16m
1 stop
STS22:06Santa Rosa Sonoma County
£732
Find similar
Alaska Airlines
4 Dec
STS07:00Santa Rosa Sonoma County
23h 00m
1 stop
LHR14:00London Heathrow
11 Dec
LHR14:55London Heathrow
14h 57m
1 stop
STS21:52Santa Rosa Sonoma County
£741
Find similar
Alaska Airlines
7 Dec
STS07:00Santa Rosa Sonoma County
21h 20m
1 stop
LHR12:20London Heathrow
14 Dec
LHR16:55London Heathrow
32h 24m
1 stop
STS17:19Santa Rosa Sonoma County
£745
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Santa Rosa to London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 24 September 2025.
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

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 7/11

07:00-10:50

2 stops19h 50m

London Heathrow

Fri 14/11

12:15-22:05

2 stops17h 50m

£550

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 7/11

07:00-07:10

1 stop16h 10m

London Heathrow

Fri 14/11

14:55-22:05

1 stop15h 10m

£592

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 6/11

14:22-12:20

1 stop13h 58m

London Heathrow

Thu 13/11

10:05-17:54

1 stop15h 49m

£593

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 25/2

12:49-13:15

1 stop16h 26m

London Heathrow

Sat 7/3

18:00-11:19

2 stops25h 19m

£622

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 22/10

12:31-14:25

1 stop17h 54m

London Heathrow

Tue 28/10

16:55-10:10

1 stop24h 15m

£704

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 15/10

16:17-14:40

1 stop14h 23m

London Heathrow

Tue 21/10

16:25-12:21

2 stops27h 56m

£707

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 15/10

07:00-08:00

1 stop17h 00m

London Heathrow

Wed 22/10

09:50-22:06

1 stop20h 16m

£732

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 22/10

07:00-06:50

2 stops15h 50m

London Heathrow

Tue 28/10

19:05-12:21

2 stops24h 16m

£735

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 4/12

07:00-14:00

1 stop23h 00m

London Heathrow

Thu 11/12

14:55-21:52

1 stop14h 57m

£741

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 7/12

07:00-12:20

1 stop21h 20m

London Heathrow

Sun 14/12

16:55-17:19

1 stop32h 24m

£745

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Santa Rosa to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Santa Rosa is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £491. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £674.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Santa Rosa to London Heathrow Airport in the evening for as low as £540. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £794 on average. Flights to London Heathrow Airport from Santa Rosa at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Santa Rosa to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Rosa to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Santa Rosa to London Heathrow Airport (STS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to London Heathrow Airport

Direct flights

None
There are no direct flights from Santa Rosa to London Heathrow Airport. There are no popular flight routes from Santa Rosa to London Heathrow Airport.
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  • How far is Santa Rosa Sonoma County to London Heathrow by plane?

    A flight from Santa Rosa Sonoma County to London Heathrow will travel around 5312.4 mi. Flights usually cover this in 12h 52m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to London Heathrow Airport?

    Prices for flights from Santa Rosa Sonoma County Airport to London Heathrow Airport were last updated today.

  • How old do you have to be to fly from Santa Rosa Sonoma County Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Swanage
Poole
Colchester
Worthing
Salisbury
Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Santa Rosa to London?

Finding the right flight to London from Santa Rosa is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Santa Rosa to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Santa Rosa to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Santa Rosa to London?

momondo helps you find the best flight between Santa Rosa and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Santa Rosa to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Santa Rosa and alert you when they change.

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