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Cheap flights from Santa Rosa to London from £375

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 31/12. 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
11:15 - 12:20
STS
-
LHR
17h 05m1 stop
Multiple Airlines Logo
11:50 - 22:58
LHR
-
STS
19h 08m1 stop
£490Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
11:03 - 10:25
STS
-
LHR
15h 22m2 stops
Multiple Airlines Logo
12:10 - 22:58
LHR
-
STS
18h 48m2 stops
£493Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
15:04 - 14:20
STS
-
LHR
15h 16m1 stop
Multiple Airlines Logo
14:30 - 22:53
LHR
-
STS
16h 23m1 stop
£563Multiple Airlines
Wed, 20 May - Tue, 26 May
Multiple Airlines Logo
07:00 - 11:35
STS
-
LHR
20h 35m1 stop
Multiple Airlines Logo
08:20 - 18:00
LHR
-
STS
17h 40m2 stops
£566Multiple Airlines
Wed, 20 May - Tue, 26 May
Multiple Airlines Logo
07:00 - 12:20
STS
-
LHR
21h 20m1 stop
Multiple Airlines Logo
16:55 - 10:11
LHR
-
STS
25h 16m1 stop
£639Multiple Airlines
Wed, 25 Feb - Tue, 3 Mar
Multiple Airlines Logo
13:22 - 12:20
STS
-
LHR
15h 58m1 stop
Multiple Airlines Logo
14:45 - 23:41
LHR
-
STS
16h 56m1 stop
£643Multiple Airlines
Sat, 21 Mar - Tue, 31 Mar
Iberia Logo
13:22 - 14:00
STS
-
LHR
17h 38m1 stop
Iberia Logo
15:10 - 23:41
LHR
-
STS
16h 31m1 stop
£664Iberia
Sun, 22 Mar - Tue, 31 Mar
Multiple Airlines Logo
07:00 - 17:20
STS
-
LHR
26h 20m2 stops
Multiple Airlines Logo
18:10 - 23:30
LHR
-
STS
37h 20m2 stops
£688Multiple Airlines
Wed, 20 May - Tue, 26 May
Multiple Airlines Logo
13:22 - 12:20
STS
-
LHR
15h 58m1 stop
Multiple Airlines Logo
15:10 - 23:41
LHR
-
STS
16h 31m1 stop
£692Multiple Airlines
Mon, 23 Mar - Mon, 13 Apr
Multiple Airlines Logo
13:22 - 11:05
STS
-
LHR
13h 43m1 stop
Multiple Airlines Logo
16:55 - 09:47
LHR
-
STS
24h 52m1 stop
£695Multiple Airlines
Fri, 3 Apr - Fri, 10 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
20 May
STS07:00Santa Rosa Sonoma County
17h 00m
1 stop
LHR08:00London Heathrow
26 May
LHR10:30London Heathrow
21h 00m
1 stop
STS23:30Santa Rosa Sonoma County
£563
Find similar
American Airlines
3 Mar
STS07:00Santa Rosa Sonoma County
17h 15m
2 stops
LHR08:15London Heathrow
25 Mar
LHR11:50London Heathrow
18h 51m
1 stop
STS23:41Santa Rosa Sonoma County
£3,720
Find similar

Iberia flights from Santa Rosa to London Heathrow Airport

Our best Iberia deals on Santa Rosa to London Heathrow Airport flight tickets
Iberia
22 Mar
STS13:22Santa Rosa Sonoma County
17h 38m
1 stop
LHR14:00London Heathrow
31 Mar
LHR15:10London Heathrow
16h 31m
1 stop
STS23:41Santa Rosa Sonoma County
£664
Find similar
Iberia
22 Mar
STS13:22Santa Rosa Sonoma County
20h 53m
2 stops
LHR17:15London Heathrow
31 Mar
LHR15:10London Heathrow
16h 31m
1 stop
STS23:41Santa Rosa Sonoma County
£734
Find similar
Iberia
3 Apr
STS13:22Santa Rosa Sonoma County
13h 43m
1 stop
LHR11:05London Heathrow
10 Apr
LHR07:55London Heathrow
23h 46m
2 stops
STS23:41Santa Rosa Sonoma County
£773
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 17 December 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 30/1

11:15-12:20

1 stop17h 05m

London Heathrow

Fri 6/2

11:50-22:58

1 stop19h 08m

£490

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 30/1

11:03-10:25

2 stops15h 22m

London Heathrow

Fri 6/2

12:10-22:58

2 stops18h 48m

£493

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 20/5

15:04-14:20

1 stop15h 16m

London Heathrow

Tue 26/5

14:30-22:53

1 stop16h 23m

£563

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 20/5

07:00-11:35

1 stop20h 35m

London Heathrow

Tue 26/5

08:20-18:00

2 stops17h 40m

£566

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 25/2

07:00-12:20

1 stop21h 20m

London Heathrow

Tue 3/3

16:55-10:11

1 stop25h 16m

£639

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sat 21/3

13:22-12:20

1 stop15h 58m

London Heathrow

Tue 31/3

14:45-23:41

1 stop16h 56m

£643

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Sun 22/3

13:22-14:00

1 stop17h 38m

London Heathrow

Tue 31/3

15:10-23:41

1 stop16h 31m

£664

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Wed 20/5

07:00-17:20

2 stops26h 20m

London Heathrow

Tue 26/5

18:10-23:30

2 stops37h 20m

£688

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Mon 23/3

13:22-12:20

1 stop15h 58m

London Heathrow

Mon 13/4

15:10-23:41

1 stop16h 31m

£692

Santa RosaLondon

STS - LHR

STSLHR

Santa Rosa Sonoma County

Fri 3/4

13:22-11:05

1 stop13h 43m

London Heathrow

Fri 10/4

16:55-09:47

1 stop24h 52m

£695

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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 £499. 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 £648.

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 £551. 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

Fastest flight time

13h 25m

Direct flights

None
The fastest flight from Santa Rosa to London Heathrow Airport takes 13h 25m
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 25m, 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
Swindon
Stratford-upon-Avon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Swanage
Hayes
Chelmsford
Dover
Worthing

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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