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Cheap flights from Santa Rosa to London from £349

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 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Santa Rosa to London (STS-LHR)

Cheap return flights

Logo
07:03 - 15:40STS-LHR
24h 37m2 stops
Logo
09:55 - 19:12LHR-STS
17h 17m1 stop
£557
Find Deal
Sat, 20 Sep - Sat, 27 Sep
Logo
07:03 - 10:00STS-LHR
18h 57m1 stop
Logo
09:55 - 19:12LHR-STS
17h 17m1 stop
£561
Find Deal
Sat, 20 Sep - Sat, 27 Sep
Logo
13:18 - 12:15STS-LHR
14h 57m1 stop
Logo
14:55 - 12:06LHR-STS
29h 11m1 stop
£562
Find Deal
Wed, 12 Nov - Wed, 19 Nov
American Airlines Logo
15:07 - 14:35STS-LHR
15h 28m1 stop
American Airlines Logo
14:20 - 23:59LHR-STS
17h 39m1 stop
£623American Airlines
Find Deal
Fri, 19 Sep - Fri, 26 Sep
Logo
07:03 - 17:50STS-LHR
26h 47m2 stops
Logo
06:30 - 19:12LHR-STS
20h 42m2 stops
£640
Find Deal
Sat, 20 Sep - Sat, 27 Sep
American Airlines Logo
07:45 - 10:00STS-LHR
18h 15m1 stop
American Airlines Logo
16:55 - 10:10LHR-STS
25h 15m1 stop
£706American Airlines
Find Deal
Tue, 11 Nov - Wed, 19 Nov
American Airlines Logo
12:25 - 12:45STS-LHR
16h 20m1 stop
American Airlines Logo
14:45 - 23:59LHR-STS
17h 14m1 stop
£707American Airlines
Find Deal
Wed, 3 Sep - Thu, 11 Sep
Alaska Airlines Logo
07:00 - 14:35STS-LHR
23h 35m1 stop
Alaska Airlines Logo
10:10 - 16:54LHR-STS
14h 44m1 stop
£735Alaska Airlines
Find Deal
Mon, 6 Oct - Tue, 14 Oct
Alaska Airlines Logo
07:45 - 10:00STS-LHR
18h 15m1 stop
Alaska Airlines Logo
14:55 - 22:05LHR-STS
15h 10m1 stop
£743Alaska Airlines
Find Deal
Thu, 13 Nov - Tue, 18 Nov
Alaska Airlines Logo
08:00 - 10:00STS-LHR
18h 00m1 stop
Alaska Airlines Logo
15:10 - 22:35LHR-STS
15h 25m1 stop
£744Alaska Airlines
Find Deal
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
19 Sept
STS15:07Santa Rosa Sonoma County
15h 28m
1 stop
LHR14:35London Heathrow
26 Sept
LHR14:20London Heathrow
17h 39m
1 stop
STS23:59Santa Rosa Sonoma County
£623
Find similar
American Airlines
11 Nov
STS07:45Santa Rosa Sonoma County
18h 15m
1 stop
LHR10:00London Heathrow
19 Nov
LHR16:55London Heathrow
25h 15m
1 stop
STS10:10Santa Rosa Sonoma County
£706
Find similar
American Airlines
3 Sept
STS12:25Santa Rosa Sonoma County
16h 20m
1 stop
LHR12:45London Heathrow
11 Sept
LHR14:45London Heathrow
17h 14m
1 stop
STS23:59Santa Rosa Sonoma County
£707
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
6 Oct
STS07:00Santa Rosa Sonoma County
23h 35m
1 stop
LHR14:35London Heathrow
14 Oct
LHR10:10London Heathrow
14h 44m
1 stop
STS16:54Santa Rosa Sonoma County
£735
Find similar
Alaska Airlines
13 Nov
STS07:45Santa Rosa Sonoma County
18h 15m
1 stop
LHR10:00London Heathrow
18 Nov
LHR14:55London Heathrow
15h 10m
1 stop
STS22:05Santa Rosa Sonoma County
£743
Find similar
Alaska Airlines
7 Dec
STS08:00Santa Rosa Sonoma County
18h 00m
1 stop
LHR10:00London Heathrow
14 Dec
LHR15:10London Heathrow
15h 25m
1 stop
STS22:35Santa Rosa Sonoma County
£744
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 8 August 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

Sat 20/9

07:03-15:40

2 stops24h 37m

London Heathrow

Sat 27/9

09:55-19:12

1 stop17h 17m

£557

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 20/9

07:03-10:00

1 stop18h 57m

London Heathrow

Sat 27/9

09:55-19:12

1 stop17h 17m

£561

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 12/11

13:18-12:15

1 stop14h 57m

London Heathrow

Wed 19/11

14:55-12:06

1 stop29h 11m

£562

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 19/9

15:07-14:35

1 stop15h 28m

London Heathrow

Fri 26/9

14:20-23:59

1 stop17h 39m

£623

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 20/9

07:03-17:50

2 stops26h 47m

London Heathrow

Sat 27/9

06:30-19:12

2 stops20h 42m

£640

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 11/11

07:45-10:00

1 stop18h 15m

London Heathrow

Wed 19/11

16:55-10:10

1 stop25h 15m

£706

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 3/9

12:25-12:45

1 stop16h 20m

London Heathrow

Thu 11/9

14:45-23:59

1 stop17h 14m

£707

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 6/10

07:00-14:35

1 stop23h 35m

London Heathrow

Tue 14/10

10:10-16:54

1 stop14h 44m

£735

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 13/11

07:45-10:00

1 stop18h 15m

London Heathrow

Tue 18/11

14:55-22:05

1 stop15h 10m

£743

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 7/12

08:00-10:00

1 stop18h 00m

London Heathrow

Sun 14/12

15:10-22:35

1 stop15h 25m

£744

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 £496. 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 £673.

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 £543. 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 £801 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

Best price found

£349

Fastest flight time

12h 52m

Direct flights

None
The best one-way flight to London Heathrow Airport from Santa Rosa in the past 72 hours is £349. The best return flight deal from Santa Rosa to London Heathrow Airport found on momondo in the last 72 hours is £557.
The fastest flight from Santa Rosa to London Heathrow Airport takes 12h 52m
There are no direct flights from Santa Rosa to London Heathrow Airport. Popular non-direct route for this connection is Santa Rosa Sonoma County Airport - 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
Milton Keynes
Luton
Slough
Northampton
Maidstone
Southend-on-Sea
Swindon
Canterbury
Gatwick
Stratford-upon-Avon
Ipswich
Ilford
Guildford
Colchester
Dartford
Swanage
Hounslow
Worthing
Dover

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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