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

For one-way options, check prices for WestJet. According to our data, you can fly for as low as £301. Users have also found prices from £303 and £304 on Scandinavian Airlines and Air Canada, respectively.

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

The most popular route from San Francisco Bay Area to London is San Francisco - London Heathrow. You may also consider San Francisco - London Gatwick or San Francisco - London City.

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

On average you can expect to pay £2,317 for a flight from San Francisco Bay Area to London. The cheapest flight overall is £289 while the most popular route, (San Francisco - London Heathrow) is currently priced at £394.

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

No one likes to see their flight delayed. When booking a flight from San Francisco Bay Area to London consider choosing United Airlines (86%), Iberia (86%) or American Airlines (84%) as they are the most reliable in getting you off to your destination on time.

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

Air Canada, Finnair and British Airways are the most popular airlines when flying from San Francisco Bay Area to London.

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

To save on the cost of your flight from San Francisco Bay Area to London, book at least 39 days before your planned departure. Booking around this time can save you about 22% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £549 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £668.

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

Our data shows that October tends to be the cheapest month to fly to London from San Francisco Bay Area. Users have commonly found prices around £598 for the month, but tickets can be as low as £402. Due to multiple factors, prepare for potentially higher prices in June.

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

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

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

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 London.

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

Yes. Cheapflights offers flight deals from San Francisco Bay Area to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£223+ Flights from San Francisco Bay Area to London

Cheap flight deals from San Francisco Bay Area to London

Round-trip from	£466
One-way from	£223
Popular in	June
Cheapest in	October
Average price	£535

Iberia
29/7-12/9
2 total stops
31h 32m total
San Francisco Bay Area to London

Search Deals

19/7
1 total stop
30h 58m total
San Francisco Bay Area to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£113 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Find flight deals from San Francisco Bay Area to London

Cheapest flights from San Francisco Bay Area to London
Explore the most affordable flight options available from San Francisco Bay Area to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Tue 29/711:38SJC - LHR

1 stop13h 22mIberia

Fri 12/910:30LHR - SJC

1 stop18h 10mIberia

Deal found 30/3£466

Mon 7/422:28SFO - LGW

2 stops23h 52mMultiple Airlines

Mon 28/414:00LGW - SFO

1 stop31h 19mMultiple Airlines

Deal found 30/3£468

Wed 7/519:40SFO - LHR

2 stops40h 15mScandinavian Airlines

Wed 21/507:05LHR - SFO

2 stops17h 25mScandinavian Airlines

Deal found 31/3£468

Mon 31/317:45SFO - LHR

1 stop13h 10mAer Lingus

Tue 15/409:50LHR - SFO

1 stop14h 05mAer Lingus

Deal found 31/3£472

Mon 22/916:20SFO - LGW

1 stop15h 15mTAP AIR PORTUGAL

Mon 6/1021:15LGW - SFO

2 stops25h 20mTAP AIR PORTUGAL

Deal found 30/3£473

Tue 8/415:55SFO - LHR

Nonstop10h 30mMultiple Airlines

Fri 25/408:40LHR - SFO

1 stop15h 30mMultiple Airlines

Deal found 30/3£478

Mon 22/916:20SFO - LHR

1 stop17h 25mTAP AIR PORTUGAL

Mon 29/913:45LHR - SFO

1 stop32h 50mTAP AIR PORTUGAL

Deal found 30/3£485

Wed 16/413:07SFO - LHR

1 stop13h 23mIberia

Sun 20/416:25LHR - SFO

1 stop16h 05mIberia

Deal found 31/3£487

Tue 13/520:00SFO - LGW

1 stop18h 40mVueling

Tue 20/509:10LGW - SFO

1 stop16h 50mVueling

Deal found 30/3£488

Sun 21/919:20SFO - LHR

Nonstop10h 25mAmerican Airlines

Thu 2/1008:50LHR - SFO

1 stop15h 05mAmerican Airlines

Deal found 31/3£496

Mon 28/416:30SFO - STN

2 stops21h 40mMultiple Airlines

Mon 5/506:25STN - SFO

3 stops35h 05mMultiple Airlines

Deal found 30/3£498

Wed 14/506:00SJC - LGW

2 stops20h 55mMultiple Airlines

Wed 21/510:55LGW - SJC

2 stops31h 10mMultiple Airlines

Deal found 30/3£498

Best flights from San Francisco Bay Area to London
Discover carefully curated flight deals from San Francisco Bay Area to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 March 2025.

Tue 29/711:38SJC - LHR

1 stop13h 22mIberia

Fri 12/910:30LHR - SJC

1 stop18h 10mIberia

Deal found 30/3£466

Fri 11/422:17SFO - LGW

1 stop27h 43mMultiple Airlines

Mon 28/414:00LGW - SFO

1 stop31h 19mMultiple Airlines

Deal found 30/3£468

Wed 7/519:40SFO - LHR

2 stops40h 15mScandinavian Airlines

Wed 21/507:05LHR - SFO

2 stops17h 25mScandinavian Airlines

Deal found 31/3£468

Mon 22/916:20SFO - LGW

1 stop15h 15mTAP AIR PORTUGAL

Mon 6/1021:15LGW - SFO

2 stops25h 20mTAP AIR PORTUGAL

Deal found 30/3£473

Tue 13/520:00SFO - LGW

1 stop18h 40mVueling

Tue 20/509:10LGW - SFO

1 stop16h 50mVueling

Deal found 30/3£488

Tue 15/417:45SFO - LHR

1 stop14h 10mAer Lingus

Tue 20/507:40LHR - SFO

1 stop16h 15mAer Lingus

Deal found 31/3£489

Tue 15/419:30SFO - LHR

Nonstop10h 25mAmerican Airlines

Tue 13/509:50LHR - SFO

1 stop14h 00mAmerican Airlines

Deal found 31/3£496

Wed 16/419:40SFO - LHR

Nonstop10h 30mUnited Airlines

Tue 29/408:45LHR - SFO

1 stop15h 25mUnited Airlines

Deal found 31/3£502

Tue 22/416:05SFO - LHR

Nonstop10h 20mDelta

Mon 5/511:45LHR - SFO

1 stop32h 00mDelta

Deal found 30/3£505

Tue 6/512:57SFO - LGW

1 stop35h 13mBritish Airways

Sun 11/514:45LGW - SFO

1 stop26h 40mBritish Airways

Deal found 31/3£511

Sun 21/908:40SFO - LHR

2 stops17h 20mAir Canada

Tue 30/908:45LHR - SFO

2 stops19h 53mAir Canada

Deal found 30/3£512

Mon 22/919:30SFO - LGW

1 stop14h 20mSWISS

Tue 30/918:35LGW - SFO

2 stops52h 53mSWISS

Deal found 31/3£513

Direct flights from San Francisco Bay Area to London
Explore direct flight options from San Francisco Bay Area to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 March 2025.

Sun 21/919:20SFO - LHR

Nonstop10h 25mIberia

Thu 2/1014:15LHR - SFO

Nonstop11h 10mIberia

Deal found 31/3£496

Tue 13/516:20SFO - LHR

Nonstop10h 35mBritish Airways

Tue 20/514:15LHR - SFO

Nonstop11h 00mBritish Airways

Deal found 30/3£507

Tue 6/519:30SFO - LHR

Nonstop10h 25mFinnair

Tue 13/510:45LHR - SFO

Nonstop11h 05mFinnair

Deal found 30/3£508

Sun 27/419:40SFO - LHR

Nonstop10h 30mLufthansa

Sun 4/516:15LHR - SFO

Nonstop11h 05mLufthansa

Deal found 30/3£515

Tue 15/412:55SFO - LHR

Nonstop10h 30mUnited Airlines

Fri 25/410:35LHR - SFO

Nonstop11h 05mUnited Airlines

Deal found 31/3£517

Wed 14/521:20SFO - LHR

Nonstop10h 20mVirgin Atlantic

Wed 21/516:25LHR - SFO

Nonstop11h 05mVirgin Atlantic

Deal found 30/3£532

Wed 27/821:20SFO - LHR

Nonstop10h 20mDelta

Fri 12/916:25LHR - SFO

Nonstop11h 05mDelta

Deal found 31/3£544

Sat 19/412:55SFO - LHR

Nonstop10h 30mAustrian Airlines

Wed 30/410:35LHR - SFO

Nonstop11h 05mAustrian Airlines

Deal found 31/3£695

Wed 16/416:20SFO - LHR

Nonstop10h 35mAlaska Airlines

Thu 24/410:45LHR - SFO

Nonstop11h 05mAlaska Airlines

Deal found 31/3£700

Last-minute flights from San Francisco Bay Area to London
Discover last-minute flight deals from San Francisco Bay Area to London. Data last updated 31 March 2025 and is based on user searches.

Mon 31/316:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Tue 15/419:15LHR - SFO

1 stop24h 30mVirgin Atlantic

Deal found 31/3£491

Sun 6/416:05SFO - LHR

Nonstop10h 20mVirgin Atlantic

Tue 22/411:15LHR - SFO

Nonstop11h 00mVirgin Atlantic

Deal found 30/3£492

Sun 6/416:35SFO - LHR

1 stop12h 45mAir Canada

Tue 22/409:30LHR - SFO

2 stops18h 37mAir Canada

Deal found 30/3£501

Mon 7/422:28SFO - LGW

2 stops23h 52mMultiple Airlines

Mon 28/414:00LGW - SFO

1 stop31h 19mMultiple Airlines

Deal found 30/3£468

Mon 7/416:35SFO - LHR

1 stop12h 45mUnited Airlines

Fri 25/408:40LHR - SFO

1 stop15h 30mUnited Airlines

Deal found 31/3£502

Mon 7/419:30SFO - LHR

1 stop14h 20mSWISS

Mon 28/418:40LHR - SFO

1 stop29h 30mSWISS

Deal found 30/3£504

Mon 7/406:00OAK - LHR

2 stops18h 50mVirgin Atlantic

Tue 22/415:15LHR - OAK

2 stops40h 28mVirgin Atlantic

Deal found 31/3£504

Tue 8/417:45SFO - LHR

1 stop13h 10mAer Lingus

Fri 25/407:40LHR - SFO

1 stop16h 15mAer Lingus

Deal found 30/3£471

Tue 8/415:55SFO - LHR

Nonstop10h 30mMultiple Airlines

Fri 25/408:40LHR - SFO

1 stop15h 30mMultiple Airlines

Deal found 30/3£478

Tue 8/419:40SFO - LHR

2 stops17h 55mScandinavian Airlines

Tue 29/421:05LHR - SFO

2 stops27h 25mScandinavian Airlines

Deal found 30/3£482

Tue 8/419:30SFO - LGW

1 stop14h 20mSWISS

Tue 22/418:35LGW - SFO

1 stop29h 35mSWISS

Deal found 30/3£499

Tue 8/406:31SFO - LGW

2 stops20h 09mAmerican Airlines

Tue 29/415:05LGW - SFO

1 stop17h 05mAmerican Airlines

Deal found 31/3£500

One-way flights from San Francisco Bay Area to London
Search for one-way flight options from San Francisco Bay Area to London. Find affordable one-way fares based on user searches. Data last updated 31 March 2025.

Sat 19/719:57SJC - LGW

1 stop30h 58mMultiple Airlines

Deal found 31/3£223

Sat 19/706:00SJC - LHR

3 stops32h 55mMultiple Airlines

Deal found 31/3£261

Sat 5/418:55OAK - LGW

2 stops28h 00mMultiple Airlines

Deal found 29/3£275

Fri 25/414:20SFO - LGW

2 stops21h 10mMultiple Airlines

Deal found 31/3£298

Tue 16/910:15SFO - STN

3 stops27h 00mMultiple Airlines

Deal found 31/3£299

Sat 26/418:40SFO - LHR

3 stops54h 30mMultiple Airlines

Deal found 31/3£299

Tue 16/910:15SFO - LTN

3 stops27h 55mMultiple Airlines

Deal found 31/3£299

Fri 6/618:05SFO - LGW

2 stops31h 20mWestJet

Deal found 31/3£301

Mon 15/919:40SFO - LHR

1 stop18h 00mScandinavian Airlines

Deal found 30/3£303

Sat 26/416:40SFO - LHR

1 stop29h 55mAir Canada

Deal found 30/3£304

Thu 25/911:00SFO - LGW

1 stop14h 35mJetBlue

Deal found 31/3£304

Tue 29/422:21SFO - LHR

1 stop14h 24mJetBlue

Deal found 30/3£304

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 29/7

11:38-09:00

1 stop13h 22m

London Heathrow

Fri 12/9

10:30-20:40

1 stop18h 10m

£466

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Fri 11/4

22:17-10:00

1 stop27h 43m

London Gatwick

Mon 28/4

14:00-13:19

1 stop31h 19m

£468

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 7/5

19:40-19:55

2 stops40h 15m

London Heathrow

Wed 21/5

07:05-16:30

2 stops17h 25m

£468

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 22/9

16:20-15:35

1 stop15h 15m

London Gatwick

Mon 6/10

21:15-14:35

2 stops25h 20m

£473

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 23/4

07:00-11:50

2 stops20h 50m

London Heathrow

Thu 8/5

06:00-18:40

2 stops20h 40m

£476

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 22/9

16:20-17:45

1 stop17h 25m

London Heathrow

Mon 29/9

13:45-14:35

1 stop32h 50m

£485

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 16/4

13:07-10:30

1 stop13h 23m

London Heathrow

Sun 20/4

16:25-00:30

1 stop16h 05m

£487

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 13/5

20:00-22:40

1 stop18h 40m

London Gatwick

Tue 20/5

09:10-18:00

1 stop16h 50m

£488

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 15/4

17:45-15:55

1 stop14h 10m

London Heathrow

Tue 20/5

07:40-15:55

1 stop16h 15m

£489

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 15/4

19:30-13:55

Nonstop10h 25m

London Heathrow

Tue 13/5

09:50-15:50

1 stop14h 00m

£496

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 60 results

...

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

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to London (average of £112). Flying from San Francisco Bay Area to London 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 LON?

When flying from San Francisco Bay Area to London, 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

The most flights from zzXIH to LON are scheduled on a Monday (37 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (37 on average).

Rainfall in London by month

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, 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 London

Get a feel of what it's like to fly with Delta, Alaska Airlines and KLM from San Francisco Bay Area to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,899 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

7,899 reviews

Delta

8.0

Very Good

7,899 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

9,818 reviews

Delta

8.0

Very Good

7,899 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

1,321 reviews

Delta

8.0

Very Good

7,899 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

1,267 reviews

Delta

8.0

Very Good

7,899 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.

SWISS

7.5

Good

1,570 reviews

Delta

8.0

Very Good

7,899 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 one-way?
For one-way options, check prices for WestJet. According to our data, you can fly for as low as £301. Users have also found prices from £303 and £304 on Scandinavian Airlines and Air Canada, respectively.
What are the most popular routes from San Francisco Bay Area to London?
The most popular route from San Francisco Bay Area to London is San Francisco - London Heathrow. You may also consider San Francisco - London Gatwick or San Francisco - London City.
What are the most reliable airlines from San Francisco Bay Area to London?
No one likes to see their flight delayed. When booking a flight from San Francisco Bay Area to London consider choosing United Airlines (86%), Iberia (86%) or American Airlines (84%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from San Francisco Bay Area to London?
On average you can expect to pay £2,317 for a flight from San Francisco Bay Area to London. The cheapest flight overall is £289 while the most popular route, (San Francisco - London Heathrow) is currently priced at £394.
Can I find deals for flights from San Francisco Bay Area to London that include hotel bookings?
Yes. In addition to deals on San Francisco Bay Area to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Francisco Bay Area to London?
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 London.
Can I find deals for business class flights from San Francisco Bay Area to London?
Yes. Cheapflights offers flight deals from San Francisco Bay Area to London 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?
Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to London (average of £112). Flying from San Francisco Bay Area to London 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

Hounslow

Deal

Milton Keynes

Gatwick

Luton

Croydon

Slough

Eastbourne

Wembley

Crawley

Winchester

Southend-on-Sea

Maidstone

Hayes

Ipswich

Ilford

Southall

Dartford

Watford

Folkestone

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from San Francisco Bay Area to London

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£378	Average£666	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
TAP AIR PORTUGAL	Cheapest£406	Average£422	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Virgin Atlantic	Cheapest£438	Average£538	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Iberia	Cheapest£443	Average£556	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£447	Average£554	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Canada	Cheapest£451	Average£692	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
KLM	Cheapest£459	Average£526	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£472	Average£690	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£500	Average£732	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Delta	Cheapest£530	Average£719	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from San Francisco Bay Area today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from San Francisco Bay Area to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to London from San Francisco Bay Area? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London 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 from £223

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 19/7. 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 London

Keep the following information in mind while searching for San Francisco Bay Area to London flight deals. Data was last updated 31 March 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco Bay Area to London

Cheapest flights from San Francisco Bay Area to LondonExplore the most affordable flight options available from San Francisco Bay Area to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Explore the most affordable flight options available from San Francisco Bay Area to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.

Cheapflights Fare Finder

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

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

Have a flexible travel schedule? Discover the best time to fly to London 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

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

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

Find hourly flight availability from San Francisco Bay Area to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 March 2025.

Weekly flight availability from San Francisco Bay Area to London

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 31 March 2025.

Get a feel of what it's like to fly with Delta, Alaska Airlines and KLM from San Francisco Bay Area to London by reading reviews from past customers. You can also see how each airline stacks up 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 London. 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 one-way?

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

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Top 10 airlines flying from San Francisco Bay Area to London

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Cheapest flights from San Francisco Bay Area to London
Explore the most affordable flight options available from San Francisco Bay Area to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2025.