In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from San Francisco Bay Area to London Heathrow Airport?

Most travelers choose San Francisco - London Heathrow, San Jose - London Heathrow or Oakland - London Heathrow when deciding on the best route from San Francisco Bay Area to London Heathrow Airport.

What are the cheapest flights from San Francisco Bay Area to London Heathrow Airport?

Looking for the cheapest flight from San Francisco Bay Area to London Heathrow Airport? While on average our users pay £1,250, our data indicates the cheapest price to be £270. The most popular route (San Francisco - London Heathrow), is priced around £284.

What are the most reliable airlines from San Francisco Bay Area to London Heathrow Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco Bay Area to London Heathrow Airport on time: Iberia (90%), Aeromexico (88%), American Airlines (87%).

What are the most popular airlines that fly from San Francisco Bay Area to London Heathrow Airport?

Consider Air Canada, British Airways or Iberia when booking your flight. These represent the most popular airlines when flying from San Francisco Bay Area to London Heathrow Airport.

How far in advance should I book a flight from San Francisco Bay Area to London Heathrow Airport?

To save on the cost of your flight from San Francisco Bay Area to London Heathrow Airport, book at least 39 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £518 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £610.

What is the cheapest month to fly from San Francisco Bay Area to London Heathrow Airport?

Our data shows that October tends to be the cheapest month to fly to London Heathrow Airport from San Francisco Bay Area. Users have commonly found prices around £559 for the month, but tickets can be as low as £383. Due to multiple factors, prepare for potentially higher prices in June.

Can I find deals for flights from San Francisco Bay Area to Heathrow that include hotel bookings?

Yes. In addition to deals on San Francisco Bay Area to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from San Francisco Bay Area to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco Bay Area to Heathrow.

Can I find deals for business class flights from San Francisco Bay Area to Heathrow?

Yes. Cheapflights offers flight deals from San Francisco Bay Area 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.

£198+ Cheap Flights from San Francisco Bay Area to London Heathrow Airport

Cheap flight deals from San Francisco Bay Area to Heathrow

Round-trip from	£383
One-way from	£198
Popular in	June
Cheapest in	October
Average price	£532

Scandinavian Airlines
1/12-21/1
2 total stops
42h 25m total
San Francisco Bay Area to London

Search Deals

21/9
2 total stops
32h 40m total
San Francisco Bay Area to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£81 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from San Francisco Bay Area to Heathrow

Cheapest flights from San Francisco Bay Area to Heathrow
Explore the most affordable flight options available from San Francisco Bay Area to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Mon 1/1216:40SFO - LHR

1 stop15h 20mScandinavian Airlines

Wed 21/119:30LHR - SFO

1 stop27h 05mScandinavian Airlines

Deal found 25/8£383

Mon 20/1019:40SFO - LHR

1 stop18h 00mScandinavian Airlines

Mon 27/1019:30LHR - SFO

1 stop27h 40mScandinavian Airlines

Deal found 26/8£385

Mon 10/1116:40SFO - LHR

1 stop17h 00mScandinavian Airlines

Sun 23/1121:05LHR - SFO

2 stops25h 30mScandinavian Airlines

Deal found 25/8£385

Thu 23/1019:40SFO - LHR

2 stops29h 55mScandinavian Airlines

Mon 3/1106:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Deal found 25/8£386

Thu 23/1019:40SFO - LHR

1 stop14h 00mScandinavian Airlines

Wed 29/1019:50LHR - SFO

2 stops30h 35mScandinavian Airlines

Deal found 26/8£387

Fri 24/1019:40SFO - LHR

2 stops30h 55mScandinavian Airlines

Mon 27/1019:50LHR - SFO

2 stops27h 20mScandinavian Airlines

Deal found 25/8£388

Sun 7/1216:40SFO - LHR

2 stops15h 45mScandinavian Airlines

Wed 10/1221:05LHR - SFO

2 stops25h 30mScandinavian Airlines

Deal found 26/8£389

Sat 8/1116:40SFO - LHR

2 stops19h 15mScandinavian Airlines

Mon 10/1106:40LHR - SFO

2 stops24h 15mScandinavian Airlines

Deal found 27/8£391

Sat 8/1116:40SFO - LHR

2 stops19h 15mScandinavian Airlines

Sat 15/1115:35LHR - SFO

2 stops31h 00mScandinavian Airlines

Deal found 25/8£391

Sat 8/1116:40SFO - LHR

1 stop17h 00mScandinavian Airlines

Sun 16/1118:40LHR - SFO

1 stop27h 55mScandinavian Airlines

Deal found 25/8£392

Mon 10/1106:00SJC - LHR

1 stop16h 50mBritish Airways

Mon 24/1119:40LHR - SJC

2 stops33h 09mBritish Airways

Deal found 26/8£455

Tue 11/1112:30SJC - LHR

1 stop13h 10mUnited Airlines

Tue 18/1113:25LHR - SJC

2 stops37h 23mUnited Airlines

Deal found 27/8£481

Best flights from San Francisco Bay Area to Heathrow
Discover carefully curated flight deals from San Francisco Bay Area to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 August 2025.

Mon 1/1216:40SFO - LHR

1 stop15h 20mScandinavian Airlines

Wed 21/119:30LHR - SFO

1 stop27h 05mScandinavian Airlines

Deal found 25/8£383

Mon 10/1106:00SJC - LHR

1 stop16h 50mBritish Airways

Mon 24/1119:40LHR - SJC

2 stops33h 09mBritish Airways

Deal found 26/8£455

Mon 12/105:53SJC - LHR

1 stop18h 22mIberia

Mon 2/219:40LHR - SJC

2 stops22h 25mIberia

Deal found 27/8£468

Wed 12/1106:30SJC - LHR

1 stop15h 25mUnited Airlines

Tue 18/1113:25LHR - SJC

2 stops37h 23mUnited Airlines

Deal found 27/8£481

Wed 8/1013:20SJC - LHR

1 stop15h 50mKLM

Wed 15/1011:00LHR - SJC

1 stop15h 26mKLM

Deal found 25/8£483

Wed 8/1006:40OAK - LHR

1 stop16h 10mMultiple Airlines

Wed 15/1009:50LHR - OAK

1 stop22h 13mMultiple Airlines

Deal found 26/8£483

Tue 11/1116:51OAK - LHR

1 stop33h 09mDelta

Tue 18/1106:20LHR - OAK

2 stops25h 43mDelta

Deal found 27/8£492

Tue 11/1107:45STS - LHR

1 stop22h 15mAmerican Airlines

Wed 19/1116:55LHR - STS

1 stop25h 15mAmerican Airlines

Deal found 27/8£705

Tue 14/1007:00STS - LHR

1 stop17h 00mAlaska Airlines

Fri 24/1014:45LHR - STS

1 stop16h 48mAlaska Airlines

Deal found 27/8£705

Thu 23/1019:40SFO - LHR

2 stops29h 55mScandinavian Airlines

Wed 29/1006:40LHR - SFO

1 stop16h 30mScandinavian Airlines

Deal found 25/8£386

Sun 30/1116:40SFO - LHR

2 stops18h 10mScandinavian Airlines

Mon 8/1206:40LHR - SFO

1 stop15h 55mScandinavian Airlines

Deal found 24/8£386

Sun 15/216:40SFO - LHR

1 stop17h 50mScandinavian Airlines

Sat 21/215:35LHR - SFO

2 stops31h 00mScandinavian Airlines

Deal found 25/8£386

Direct flights from San Francisco Bay Area to Heathrow
Explore direct flight options from San Francisco Bay Area to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 August 2025.

Mon 1/1217:30SFO - LHR

Nonstop10h 30mFinnair

Wed 21/111:45LHR - SFO

Nonstop11h 15mFinnair

Deal found 27/8£467

Tue 23/919:20SFO - LHR

Nonstop10h 25mBritish Airways

Fri 10/1010:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 27/8£469

Tue 23/919:20SFO - LHR

Nonstop10h 25mBritish Airways

Wed 1/1010:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 26/8£469

Tue 23/919:20SFO - LHR

Nonstop10h 25mBritish Airways

Fri 3/1010:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 26/8£470

Wed 1/1019:20SFO - LHR

Nonstop10h 25mBritish Airways

Wed 8/1010:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 26/8£471

Mon 6/1019:20SFO - LHR

Nonstop10h 25mBritish Airways

Tue 21/1010:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 27/8£471

Tue 23/919:20SFO - LHR

Nonstop10h 25mBritish Airways

Tue 14/1010:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 25/8£472

Wed 24/916:30SFO - LHR

Nonstop10h 25mBritish Airways

Tue 28/1011:45LHR - SFO

Nonstop11h 15mBritish Airways

Deal found 26/8£473

Mon 10/1116:30SFO - LHR

Nonstop10h 10mVirgin Atlantic

Mon 24/1111:40LHR - SFO

Nonstop11h 00mVirgin Atlantic

Deal found 26/8£475

Fri 10/1013:05SFO - LHR

Nonstop10h 20mLufthansa

Fri 17/1016:15LHR - SFO

Nonstop11h 05mLufthansa

Deal found 26/8£479

Wed 15/1019:20SFO - LHR

Nonstop10h 25mBritish Airways

Wed 8/410:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 27/8£480

Tue 3/220:40SFO - LHR

Nonstop10h 30mBritish Airways

Fri 13/211:45LHR - SFO

Nonstop11h 15mBritish Airways

Deal found 26/8£483

Last-minute flights from San Francisco Bay Area to Heathrow
Discover last-minute flight deals from San Francisco Bay Area to Heathrow. Data last updated 28 August 2025 and is based on user searches.

Mon 1/921:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Tue 16/916:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Deal found 26/8£434

Mon 1/916:05SFO - LHR

Nonstop10h 20mUnited Airlines

Tue 16/908:30LHR - SFO

1 stop15h 30mUnited Airlines

Deal found 25/8£444

Mon 1/918:20SJC - LHR

1 stop31h 20mUnited Airlines

Tue 16/911:25LHR - SJC

1 stop17h 53mUnited Airlines

Deal found 27/8£482

Tue 2/917:40SFO - LHR

1 stop13h 15mAer Lingus

Tue 16/907:40LHR - SFO

1 stop16h 15mAer Lingus

Deal found 25/8£435

Wed 3/917:40SFO - LHR

1 stop13h 15mAer Lingus

Wed 10/907:40LHR - SFO

1 stop16h 15mAer Lingus

Deal found 27/8£440

Tue 16/918:45SFO - LHR

2 stops31h 35mTAP AIR PORTUGAL

Thu 30/1019:55LHR - SFO

1 stop28h 10mTAP AIR PORTUGAL

Deal found 26/8£431

Tue 16/918:45SFO - LHR

2 stops19h 15mTAP AIR PORTUGAL

Tue 23/918:45LHR - SFO

1 stop27h 50mTAP AIR PORTUGAL

Deal found 27/8£432

Tue 16/918:45SFO - LHR

2 stops19h 15mTAP AIR PORTUGAL

Wed 15/1006:00LHR - SFO

1 stop16h 35mTAP AIR PORTUGAL

Deal found 27/8£443

Tue 23/917:40SFO - LHR

1 stop14h 15mAer Lingus

Wed 8/1008:50LHR - SFO

1 stop15h 05mAer Lingus

Deal found 24/8£441

Tue 23/917:40SFO - LHR

1 stop17h 15mAer Lingus

Fri 10/1009:50LHR - SFO

1 stop14h 05mAer Lingus

Deal found 27/8£442

Wed 24/917:40SFO - LHR

1 stop14h 15mAer Lingus

Wed 1/1008:50LHR - SFO

1 stop15h 05mAer Lingus

Deal found 25/8£440

Wed 24/906:35SJC - LHR

1 stop16h 10mKLM

Wed 8/1013:05LHR - SJC

1 stop17h 53mKLM

Deal found 25/8£483

One-way flights from San Francisco Bay Area to Heathrow
Search for one-way flight options from San Francisco Bay Area to Heathrow. Find affordable one-way fares based on user searches. Data last updated 28 August 2025.

Sun 21/906:15SJC - LHR

2 stops32h 40mMultiple Airlines

Deal found 25/8£198

Wed 1/1011:40SJC - LHR

2 stops40h 25mMultiple Airlines

Deal found 27/8£203

Sun 28/906:15SJC - LHR

2 stops27h 30mMultiple Airlines

Deal found 25/8£211

Wed 12/1110:48SJC - LHR

2 stops42h 02mMultiple Airlines

Deal found 26/8£229

Fri 26/919:04SFO - LHR

3 stops55h 16mMultiple Airlines

Deal found 26/8£235

Fri 17/1020:21SFO - LHR

3 stops37h 24mMultiple Airlines

Deal found 26/8£237

Sun 21/923:57SFO - LHR

3 stops34h 53mMultiple Airlines

Deal found 27/8£238

Sun 14/923:00SFO - LHR

3 stops35h 50mMultiple Airlines

Deal found 27/8£238

Thu 4/907:47SFO - LHR

2 stops22h 28mMultiple Airlines

Deal found 26/8£239

Thu 2/1016:20SFO - LHR

1 stop22h 35mTAP AIR PORTUGAL

Deal found 26/8£241

Fri 3/1012:50SFO - LHR

1 stop15h 15mWestJet

Deal found 27/8£242

Sat 6/923:00SFO - LHR

3 stops51h 20mMultiple Airlines

Deal found 27/8£244

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco Bay Area to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 1/12

16:40-16:00

1 stop15h 20m

London Heathrow

Wed 21/1

19:30-14:35

1 stop27h 05m

£383

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 23/10

19:40-09:35

2 stops29h 55m

London Heathrow

Wed 29/10

06:40-16:10

1 stop16h 30m

£386

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 30/11

16:40-18:50

2 stops18h 10m

London Heathrow

Mon 8/12

06:40-14:35

1 stop15h 55m

£386

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 15/2

16:40-18:30

1 stop17h 50m

London Heathrow

Sat 21/2

15:35-14:35

2 stops31h 00m

£386

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 6/11

16:40-18:50

2 stops18h 10m

London Heathrow

Fri 28/11

06:40-14:35

1 stop15h 55m

£387

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 30/10

21:30-09:35

2 stops29h 05m

London Heathrow

Fri 7/11

06:40-14:35

1 stop15h 55m

£387

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 23/10

19:40-09:35

2 stops29h 55m

London Heathrow

Fri 31/10

19:30-15:35

1 stop27h 05m

£387

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 24/10

19:40-10:35

2 stops30h 55m

London Heathrow

Mon 27/10

19:50-16:10

2 stops27h 20m

£388

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 10/11

06:00-06:50

1 stop16h 50m

London Heathrow

Mon 24/11

19:40-20:49

2 stops33h 09m

£455

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 12/1

05:53-08:15

1 stop18h 22m

London Heathrow

Mon 2/2

19:40-10:05

2 stops22h 25m

£468

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 60 results

...

Best time to book a flight from San Francisco Bay Area to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from San Francisco Bay Area with our price prediction graph.

Estimated return 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 San Francisco Bay Area to London Heathrow Airport

What is the cheapest month to book a flight from San Francisco Bay Area to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to London Heathrow Airport (average of £112). Flying from San Francisco Bay Area to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

What is the cheapest time of day to fly from XIH to LHR?

When flying from San Francisco Bay Area to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Francisco Bay Area to London Heathrow Airport

The most flights from zzXIH to LHR are scheduled on a Monday (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 on average).

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with United Airlines, Virgin Atlantic, andIberia from San Francisco Bay Area to London Heathrow Airport to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,944 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,944 reviews

United Airlines

7.4

Good

8,944 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Virgin Atlantic

7.4

Good

661 reviews

United Airlines

7.4

Good

8,944 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Iberia

7.0

Good

2,892 reviews

United Airlines

7.4

Good

8,944 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Lufthansa

6.8

Okay

7,363 reviews

United Airlines

7.4

Good

8,944 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

British Airways

6.7

Okay

7,316 reviews

United Airlines

7.4

Good

8,944 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

How long is the flight from San Francisco Bay Area to London Heathrow Airport?
There are many flights that can get you from San Francisco Bay Area to London Heathrow Airport in 15h 20m. Fly via Scandinavian Airlines, British Airways, or Iberia to get the fastest option. Airlines will cover a distance of 5350 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from San Francisco Bay Area to London Heathrow Airport?
Most travelers choose San Francisco - London Heathrow, San Jose - London Heathrow or Oakland - London Heathrow when deciding on the best route from San Francisco Bay Area to London Heathrow Airport.
What are the most reliable airlines from San Francisco Bay Area to London Heathrow Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco Bay Area to London Heathrow Airport on time: Iberia (90%), Aeromexico (88%), American Airlines (87%).
What are the cheapest flights from San Francisco Bay Area to London Heathrow Airport?
Looking for the cheapest flight from San Francisco Bay Area to London Heathrow Airport? While on average our users pay £1,250, our data indicates the cheapest price to be £270. The most popular route (San Francisco - London Heathrow), is priced around £284.
Can I find deals for flights from San Francisco Bay Area to Heathrow that include hotel bookings?
Yes. In addition to deals on San Francisco Bay Area to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Francisco Bay Area to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco Bay Area to Heathrow.
Can I find deals for business class flights from San Francisco Bay Area to Heathrow?
Yes. Cheapflights offers flight deals from San Francisco Bay Area 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 San Francisco Bay Area to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to London Heathrow Airport (average of £112). Flying from San Francisco Bay Area to London Heathrow Airport in August is currently the most expensive (average of £164). 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

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Slough

Northampton

Luton

Deal

Wembley

Ilford

Crawley

Hayes

Watford

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Winchester

Eastbourne

Swindon

Dartford

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from San Francisco Bay Area to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest£363	Average£461	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£367	Average£544	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£385	Average£523	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
TAP AIR PORTUGAL	Cheapest£390	Average£405	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
United Airlines	Cheapest£394	Average£583	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Iberia	Cheapest£426	Average£529	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£429	Average£695	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	Cheapest£433	Average£609	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from San Francisco Bay Area to Heathrow?

Deals for San Francisco Bay Area to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Francisco Bay Area to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from San Francisco Bay Area by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco Bay Area to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco Bay Area to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from San Francisco Bay Area to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from San Francisco Bay Area today and book when prices fit your budget.

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Book with Flexibility

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from San Francisco Bay Area to London Heathrow Airport from £198

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco Bay Area to Heathrow

Keep the following information in mind while searching for San Francisco Bay Area to Heathrow flight deals. Data was last updated 28 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco Bay Area to Heathrow

Cheapest flights from San Francisco Bay Area to HeathrowExplore the most affordable flight options available from San Francisco Bay Area to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Explore the most affordable flight options available from San Francisco Bay Area to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco Bay Area to London Heathrow Airport that are best for you.

Best time to book a flight from San Francisco Bay Area to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from San Francisco Bay Area with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Francisco Bay Area to London Heathrow Airport

What is the cheapest month to book a flight from San Francisco Bay Area to London Heathrow Airport?

What is the cheapest time of day to fly from XIH to LHR?

Find hourly flight availability from San Francisco Bay Area to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 August 2025.

Weekly flight availability from San Francisco Bay Area to London Heathrow Airport

Reviews of airlines servicing Heathrow

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from San Francisco Bay Area to London Heathrow Airport?

What are the most popular routes from San Francisco Bay Area to London Heathrow Airport?

What are the most reliable airlines from San Francisco Bay Area to London Heathrow Airport?

What are the cheapest flights from San Francisco Bay Area to London Heathrow Airport?

Can I find deals for flights from San Francisco Bay Area to Heathrow that include hotel bookings?

How can I find direct flights from San Francisco Bay Area to Heathrow?

Can I find deals for business class flights from San Francisco Bay Area to Heathrow?

What is the cheapest month to book a flight from San Francisco Bay Area to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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Alternative routes for San Francisco Bay Area to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from San Francisco Bay Area to Heathrow

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Cheapest flights from San Francisco Bay Area to Heathrow
Explore the most affordable flight options available from San Francisco Bay Area to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 August 2025.