What are the cheapest airlines to fly from San Francisco Bay Area to London Heathrow Airport one-way?

£273 is the cheapest one-way deal found within the past few days, from Virgin Atlantic. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from £276 and £291, respectively.

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 £1,988, our data indicates the cheapest price to be £285. The most popular route (San Francisco - London Heathrow), is priced around £407.

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: Air Canada (84%), Austrian Airlines (84%), SWISS (84%).

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 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £517 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £651.

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 £576 for the month, but tickets can be as low as £390. 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.

£235+ Flights from San Francisco Bay Area to London Heathrow Airport - Compare & Save Big

Cheap flight deals from San Francisco Bay Area to Heathrow

Round-trip from	£449
One-way from	£235
Popular in	June
Cheapest in	October
Average price	£591

Delta
8/10-15/10
3 total stops
34h 11m total
San Francisco Bay Area to London

Search Deals

26/7
2 total stops
18h 03m total
San Francisco Bay Area to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£101 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in May 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 1 May 2025.

Mon 1/915:27SJC - LHR

1 stop15h 08mDelta

Tue 9/911:30LHR - SJC

2 stops18h 16mDelta

Deal found 29/4£449

Sun 31/817:15OAK - LHR

1 stop32h 35mDelta

Tue 9/906:15LHR - OAK

2 stops25h 38mDelta

Deal found 29/4£449

Mon 5/506:00OAK - LHR

1 stop19h 50mVirgin Atlantic

Tue 20/510:55LHR - OAK

1 stop13h 20mVirgin Atlantic

Deal found 30/4£464

Tue 21/1018:20SJC - LHR

2 stops31h 15mAir Canada

Thu 30/1014:30LHR - SJC

2 stops39h 11mAir Canada

Deal found 30/4£468

Thu 21/808:13SFO - LHR

1 stop14h 12mIberia

Sat 20/914:45LHR - SFO

1 stop15h 12mIberia

Deal found 30/4£480

Sun 4/507:10SFO - LHR

2 stops20h 40mAir Canada

Tue 20/508:30LHR - SFO

2 stops18h 10mAir Canada

Deal found 30/4£481

Wed 14/516:05SFO - LHR

Nonstop10h 20mDelta

Wed 28/516:25LHR - SFO

Nonstop11h 05mDelta

Deal found 29/4£482

Sat 3/516:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Sat 10/506:15LHR - SFO

1 stop14h 35mVirgin Atlantic

Deal found 30/4£483

Tue 2/916:35SFO - LHR

Nonstop10h 25mBritish Airways

Wed 10/914:15LHR - SFO

Nonstop11h 10mBritish Airways

Deal found 28/4£484

Mon 6/1008:30SFO - LHR

1 stop17h 05mMultiple Airlines

Fri 24/1006:30LHR - SFO

2 stops19h 09mMultiple Airlines

Deal found 30/4£485

Tue 21/1012:30SJC - LHR

1 stop13h 10mUnited Airlines

Thu 30/1011:35LHR - SJC

1 stop16h 36mUnited Airlines

Deal found 30/4£486

Sun 3/811:38SJC - LHR

1 stop16h 52mIberia

Sat 16/810:30LHR - SJC

1 stop18h 03mIberia

Deal found 29/4£487

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 1 May 2025.

Wed 8/1017:40SJC - LHR

1 stop15h 35mDelta

Wed 15/1011:30LHR - SJC

2 stops18h 36mDelta

Deal found 30/4£449

Wed 8/1014:31SJC - LHR

1 stop15h 54mIberia

Wed 15/1008:20LHR - SJC

1 stop20h 22mIberia

Deal found 30/4£456

Tue 16/914:27SJC - LHR

1 stop14h 03mBritish Airways

Tue 23/915:40LHR - SJC

1 stop14h 42mBritish Airways

Deal found 1/5£457

Tue 21/1018:20SJC - LHR

2 stops31h 15mAir Canada

Thu 30/1014:30LHR - SJC

2 stops39h 11mAir Canada

Deal found 30/4£468

Sun 11/508:30SJC - LHR

1 stop17h 10mUnited Airlines

Tue 20/515:50LHR - SJC

2 stops29h 46mUnited Airlines

Deal found 30/4£474

Tue 16/906:00SJC - LHR

1 stop16h 25mAmerican Airlines

Tue 23/910:30LHR - SJC

1 stop18h 10mAmerican Airlines

Deal found 30/4£474

Thu 21/819:40SFO - LHR

2 stops29h 55mScandinavian Airlines

Mon 25/806:40LHR - SFO

1 stop17h 50mScandinavian Airlines

Deal found 29/4£481

Mon 6/1008:30SFO - LHR

1 stop17h 05mMultiple Airlines

Fri 24/1006:30LHR - SFO

2 stops19h 09mMultiple Airlines

Deal found 30/4£485

Fri 16/521:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Tue 20/511:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Deal found 30/4£501

Sat 10/519:40SFO - LHR

2 stops38h 10mSWISS

Tue 20/508:45LHR - SFO

1 stop15h 25mSWISS

Deal found 29/4£505

Thu 11/921:05SFO - LHR

1 stop14h 35mLufthansa

Mon 15/920:25LHR - SFO

1 stop30h 35mLufthansa

Deal found 30/4£510

Sat 10/506:00OAK - LHR

1 stop19h 50mKLM

Mon 19/519:15LHR - OAK

2 stops29h 00mKLM

Deal found 30/4£513

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 1 May 2025.

Wed 14/516:05SFO - LHR

Nonstop10h 20mDelta

Tue 27/511:15LHR - SFO

Nonstop11h 00mDelta

Deal found 29/4£482

Tue 2/916:35SFO - LHR

Nonstop10h 25mIberia

Tue 14/1010:45LHR - SFO

Nonstop11h 05mIberia

Deal found 29/4£484

Thu 28/816:35SFO - LHR

Nonstop10h 25mBritish Airways

Thu 18/910:45LHR - SFO

Nonstop11h 05mBritish Airways

Deal found 30/4£489

Thu 21/821:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Mon 1/916:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Deal found 30/4£489

Wed 30/719:50SFO - LHR

Nonstop10h 20mUnited Airlines

Wed 13/816:15LHR - SFO

Nonstop10h 55mUnited Airlines

Deal found 30/4£498

Wed 13/816:35SFO - LHR

Nonstop10h 25mFinnair

Sun 31/810:45LHR - SFO

Nonstop11h 05mFinnair

Deal found 29/4£498

Fri 25/719:50SFO - LHR

Nonstop10h 20mLufthansa

Fri 8/816:15LHR - SFO

Nonstop10h 55mLufthansa

Deal found 30/4£581

Sun 18/519:30SFO - LHR

Nonstop10h 25mAlaska Airlines

Fri 30/514:15LHR - SFO

Nonstop11h 00mAlaska Airlines

Deal found 30/4£632

Wed 11/619:50SFO - LHR

Nonstop10h 20mBrussels Airlines

Thu 19/616:15LHR - SFO

Nonstop10h 55mBrussels Airlines

Deal found 30/4£644

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 1 May 2025 and is based on user searches.

Thu 1/514:19SJC - LHR

1 stop16h 06mFinnair

Thu 8/512:00LHR - SJC

1 stop17h 44mFinnair

Deal found 30/4£478

Thu 1/519:30SFO - LHR

1 stop14h 20mSWISS

Wed 7/508:40LHR - SFO

1 stop15h 30mSWISS

Deal found 30/4£498

Fri 2/521:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Sun 18/516:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Deal found 30/4£489

Sun 4/512:35SFO - LHR

2 stops15h 15mMultiple Airlines

Tue 20/506:00LHR - SFO

1 stop18h 10mMultiple Airlines

Deal found 29/4£480

Sun 4/507:10SFO - LHR

2 stops20h 40mAir Canada

Tue 20/508:30LHR - SFO

2 stops18h 10mAir Canada

Deal found 30/4£481

Mon 5/506:00OAK - LHR

1 stop19h 50mVirgin Atlantic

Tue 20/510:55LHR - OAK

1 stop13h 20mVirgin Atlantic

Deal found 30/4£464

Mon 5/506:00OAK - LHR

1 stop19h 50mDelta

Tue 20/510:55LHR - OAK

1 stop20h 54mDelta

Deal found 30/4£480

Mon 5/516:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Tue 20/508:40LHR - SFO

1 stop35h 05mVirgin Atlantic

Deal found 29/4£481

Mon 5/511:25SFO - LHR

1 stop14h 35mAir Canada

Tue 20/508:45LHR - SFO

2 stops19h 25mAir Canada

Deal found 29/4£482

Tue 6/508:15SFO - LHR

1 stop17h 45mMultiple Airlines

Tue 13/506:30LHR - SFO

2 stops17h 05mMultiple Airlines

Deal found 29/4£485

Wed 7/514:50SFO - LHR

1 stop13h 25mIberia

Thu 22/514:45LHR - SFO

1 stop14h 15mIberia

Deal found 29/4£486

Wed 7/519:40SFO - LHR

Nonstop10h 30mUnited Airlines

Mon 19/513:45LHR - SFO

1 stop34h 25mUnited Airlines

Deal found 29/4£490

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 1 May 2025.

Sat 26/718:17SJC - LHR

2 stops18h 03mMultiple Airlines

Deal found 30/4£235

Tue 2/913:35SJC - LHR

1 stop12h 15mVirgin Atlantic

Deal found 30/4£273

Tue 2/913:15OAK - LHR

1 stop12h 35mVirgin Atlantic

Deal found 30/4£273

Mon 22/912:35SJC - LHR

1 stop14h 35mDelta

Deal found 30/4£276

Tue 7/1013:15OAK - LHR

1 stop12h 35mDelta

Deal found 30/4£276

Sat 26/707:00SJC - LHR

2 stops43h 00mUnited Airlines

Deal found 30/4£291

Tue 7/1005:52SJC - LHR

2 stops24h 43mIberia

Deal found 30/4£293

Thu 8/516:20SFO - LHR

Nonstop10h 35mBritish Airways

Deal found 30/4£294

Fri 19/907:00SFO - LHR

1 stop15h 30mJetBlue

Deal found 30/4£295

Mon 5/516:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 28/4£296

Wed 30/713:07SJC - LHR

1 stop13h 43mBritish Airways

Deal found 30/4£296

Tue 6/519:40SFO - LHR

1 stop33h 40mAir Canada

Deal found 29/4£297

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 JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 1/9

15:27-14:35

1 stop15h 08m

London Heathrow

Tue 9/9

11:30-21:46

2 stops18h 16m

£449

OaklandLondon

OAK - LHR

OAKLHR

Oakland

Sun 31/8

17:15-09:50

1 stop32h 35m

London Heathrow

Tue 9/9

06:15-23:53

2 stops25h 38m

£449

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 21/10

18:20-09:35

2 stops31h 15m

London Heathrow

Thu 30/10

14:30-22:41

2 stops39h 11m

£468

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 21/8

08:13-06:25

1 stop14h 12m

London Heathrow

Sat 20/9

14:45-21:57

1 stop15h 12m

£480

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 21/8

19:40-09:35

2 stops29h 55m

London Heathrow

Tue 26/8

10:20-16:30

1 stop14h 10m

£481

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 14/5

16:05-10:25

Nonstop10h 20m

London Heathrow

Tue 27/5

11:15-14:15

Nonstop11h 00m

£482

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 2/9

16:35-11:00

Nonstop10h 25m

London Heathrow

Wed 10/9

07:40-15:55

1 stop16h 15m

£484

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 6/10

08:30-09:35

1 stop17h 05m

London Heathrow

Fri 24/10

06:30-17:39

2 stops19h 09m

£485

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 21/10

06:30-06:20

1 stop15h 50m

London Heathrow

Tue 28/10

11:35-21:11

1 stop16h 36m

£486

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sun 3/8

11:38-12:30

1 stop16h 52m

London Heathrow

Sat 16/8

10:30-20:33

1 stop18h 03m

£487

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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).

Rainfall in Heathrow by month

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.

Temperature in Heathrow by month

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).

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from San Francisco Bay Area to London, such as Delta, Alaska Airlines and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,934 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Alaska Airlines

8.0

Very Good

9,972 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,334 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines

7.6

Good

781 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,275 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from San Francisco Bay Area to London Heathrow Airport one-way?
£273 is the cheapest one-way deal found within the past few days, from Virgin Atlantic. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from £276 and £291, respectively.
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: Air Canada (84%), Austrian Airlines (84%), SWISS (84%).
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 £1,988, our data indicates the cheapest price to be £285. The most popular route (San Francisco - London Heathrow), is priced around £407.
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

Deal

Hounslow

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Northampton

Southend-on-Sea

Ilford

Crawley

Hayes

Ipswich

Watford

Wembley

Swindon

Folkestone

Maidstone

Winchester

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from San Francisco Bay Area to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£393	Average£408	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Virgin Atlantic	Cheapest£424	Average£533	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Iberia	Cheapest£430	Average£533	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£433	Average£534	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Canada	Cheapest£437	Average£614	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
KLM	Cheapest£444	Average£509	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£459	Average£680	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£484	Average£695	FlexibilityNo cancel fee	On-time76%	Search Lufthansa 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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Cheap flights from San Francisco Bay Area to London Heathrow Airport from £235

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 26/7. 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 1 May 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 1 May 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 1 May 2025.

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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 1 May 2025.

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

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from San Francisco Bay Area to London, such as Delta, Alaska Airlines and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines to fly from San Francisco Bay Area to London Heathrow Airport one-way?

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?

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Alternative routes for San Francisco Bay Area to Heathrow

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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 1 May 2025.