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Cheap flights from Santa Rosa to London from £243

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 12/5. 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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0 bags
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Find the cheapest flights from Santa Rosa to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:23 - 15:05
STS
-
LHR
14h 42m
1 stop
Multiple Airlines Logo
16:10 - 12:26
LHR
-
STS
28h 16m
1 stop
£598Multiple Airlines
Thu, 16 Apr - Mon, 20 Apr
Multiple Airlines Logo
07:00 - 12:20
STS
-
LHR
21h 20m
1 stop
Multiple Airlines Logo
16:55 - 10:11
LHR
-
STS
24h 16m
1 stop
£631Multiple Airlines
Fri, 6 Mar - Fri, 13 Mar
Multiple Airlines Logo
13:05 - 10:55
STS
-
LHR
13h 50m
1 stop
Multiple Airlines Logo
19:40 - 11:36
LHR
-
STS
23h 56m
2 stops
£643Multiple Airlines
Tue, 21 Jul - Fri, 14 Aug
Multiple Airlines Logo
13:05 - 10:55
STS
-
LHR
13h 50m
1 stop
Multiple Airlines Logo
16:10 - 12:35
LHR
-
STS
28h 25m
1 stop
£644Multiple Airlines
Tue, 21 Jul - Fri, 14 Aug
American Airlines Logo
16:23 - 21:40
STS
-
LHR
21h 17m
2 stops
American Airlines Logo
08:20 - 21:22
LHR
-
STS
21h 02m
1 stop
£646American Airlines
Sat, 25 Apr - Fri, 15 May
Multiple Airlines Logo
07:00 - 12:45
STS
-
LHR
21h 45m
1 stop
Multiple Airlines Logo
06:10 - 23:01
LHR
-
STS
24h 51m
2 stops
£652Multiple Airlines
Sun, 26 Apr - Thu, 7 May
Multiple Airlines Logo
07:00 - 12:20
STS
-
LHR
21h 20m
1 stop
Multiple Airlines Logo
11:50 - 23:57
LHR
-
STS
19h 07m
1 stop
£655Multiple Airlines
Fri, 6 Mar - Fri, 13 Mar
Iberia Logo
12:10 - 12:45
STS
-
LHR
16h 35m
1 stop
Iberia Logo
06:30 - 23:59
LHR
-
STS
25h 29m
2 stops
£656Iberia
Thu, 16 Apr - Wed, 22 Apr
American Airlines Logo
16:23 - 22:10
STS
-
LHR
22h 47m
2 stops
American Airlines Logo
11:50 - 23:59
LHR
-
STS
19h 09m
1 stop
£660American Airlines
Tue, 10 Mar - Fri, 20 Mar
Multiple Airlines Logo
12:56 - 13:15
STS
-
LHR
17h 19m
1 stop
Multiple Airlines Logo
16:10 - 12:26
LHR
-
STS
28h 16m
1 stop
£662Multiple Airlines
Wed, 18 Mar - Wed, 1 Apr

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
25 Apr
STS16:23Santa Rosa Sonoma County
21h 17m
2 stops
LHR21:40London Heathrow
15 May
LHR08:20London Heathrow
21h 02m
1 stop
STS21:22Santa Rosa Sonoma County
£646
American Airlines
10 Mar
STS16:23Santa Rosa Sonoma County
22h 47m
2 stops
LHR22:10London Heathrow
20 Mar
LHR11:50London Heathrow
19h 09m
1 stop
STS23:59Santa Rosa Sonoma County
£660
American Airlines
23 Apr
STS16:23Santa Rosa Sonoma County
14h 42m
1 stop
LHR15:05London Heathrow
15 May
LHR08:20London Heathrow
21h 02m
1 stop
STS21:22Santa Rosa Sonoma County
£679

Iberia flights from Santa Rosa to London Heathrow Airport

Our best Iberia deals on Santa Rosa to London Heathrow Airport flight tickets
Iberia
16 Apr
STS12:10Santa Rosa Sonoma County
16h 35m
1 stop
LHR12:45London Heathrow
22 Apr
LHR06:30London Heathrow
25h 29m
2 stops
STS23:59Santa Rosa Sonoma County
£656
Iberia
16 Apr
STS12:10Santa Rosa Sonoma County
18h 55m
1 stop
LHR15:05London Heathrow
20 Apr
LHR06:25London Heathrow
25h 34m
2 stops
STS23:59Santa Rosa Sonoma County
£692
Iberia
19 Mar
STS12:10Santa Rosa Sonoma County
17h 10m
1 stop
LHR12:20London Heathrow
1 Apr
LHR08:20London Heathrow
23h 39m
1 stop
STS23:59Santa Rosa Sonoma County
£817

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 5 February 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

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 16/4

16:23-15:05

1 stop14h 42m

London Heathrow

Mon 20/4

16:10-12:26

1 stop28h 16m

£598

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 6/3

07:00-12:20

1 stop21h 20m

London Heathrow

Fri 13/3

16:55-10:11

1 stop24h 16m

£631

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 21/7

13:05-10:55

1 stop13h 50m

London Heathrow

Fri 14/8

19:40-11:36

2 stops23h 56m

£643

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 21/7

13:05-10:55

1 stop13h 50m

London Heathrow

Fri 14/8

16:10-12:35

1 stop28h 25m

£644

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 25/4

16:23-21:40

2 stops21h 17m

London Heathrow

Fri 15/5

08:20-21:22

1 stop21h 02m

£646

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 26/4

07:00-12:45

1 stop21h 45m

London Heathrow

Thu 7/5

06:10-23:01

2 stops24h 51m

£652

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 6/3

07:00-12:20

1 stop21h 20m

London Heathrow

Fri 13/3

11:50-23:57

1 stop19h 07m

£655

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Thu 16/4

12:10-12:45

1 stop16h 35m

London Heathrow

Wed 22/4

06:30-23:59

2 stops25h 29m

£656

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Tue 10/3

16:23-22:10

2 stops22h 47m

London Heathrow

Fri 20/3

11:50-23:59

1 stop19h 09m

£660

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 18/3

12:56-13:15

1 stop17h 19m

London Heathrow

Wed 1/4

16:10-12:26

1 stop28h 16m

£662

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to London from

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 £488. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £638.

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 morning. momondo users have found flights departing from Santa Rosa to London Heathrow Airport in the morning for as low as £542. 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 £784 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

Fastest flight time

13h 50m

Direct flights

None
The fastest flight from Santa Rosa to London Heathrow Airport takes 13h 50m
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.
Search flight deals

  • 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 13h 50m, 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
Gatwick
Maidstone
Slough
Northampton
Stratford-upon-Avon
Swindon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Chelmsford
Hayes
Dover
Swanage
Folkestone

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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