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

For one-way options, check prices for Iberia. According to our data, you can fly for as low as £244. Users have also found prices from £253 and £267 on JetBlue and WestJet, 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 City or San Francisco - London Gatwick.

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

On average you can expect to pay £2,056 for a flight from San Francisco Bay Area to London. The cheapest flight overall is £291 while the most popular route, (San Francisco - London Heathrow) is currently priced at £423.

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 Air Canada (85%), Austrian Airlines (85%) or United Airlines (85%) 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 21 days before your planned departure. Booking around this time can save you about 17% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £583 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £661.

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 £620 for the month, but tickets can be as low as £411. 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.

£170+ Flights from San Francisco Bay Area to London

Cheap flight deals from San Francisco Bay Area to London

Round-trip from	£464
One-way from	£170
Popular in	June
Cheapest in	October
Average price	£542

TAP AIR PORTUGAL
17/3-25/3
3 total stops
40h 25m total
San Francisco Bay Area to London

Search Deals

2/4
2 total stops
26h 26m total
San Francisco Bay Area to London

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£129 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 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 23 February 2025.

Mon 17/317:40SFO - LGW

1 stop15h 05mTAP AIR PORTUGAL

Tue 25/321:20LGW - SFO

2 stops25h 20mTAP AIR PORTUGAL

Deal found 22/2£464

Wed 5/317:30SFO - LHR

1 stop17h 00mScandinavian Airlines

Sun 9/318:40LHR - SFO

1 stop29h 00mScandinavian Airlines

Deal found 23/2£464

Tue 18/310:20SFO - LHR

1 stop14h 00mIberia

Tue 25/315:20LHR - SFO

Nonstop11h 25mIberia

Deal found 23/2£465

Sat 1/322:59SFO - LGW

1 stop27h 36mMultiple Airlines

Tue 25/312:00LGW - SFO

1 stop26h 06mMultiple Airlines

Deal found 22/2£467

Tue 15/406:10SJC - LHR

1 stop18h 50mIberia

Thu 1/508:20LHR - SJC

1 stop21h 08mIberia

Deal found 23/2£468

Wed 26/216:35SFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Tue 11/318:30LHR - SFO

1 stop28h 10mTAP AIR PORTUGAL

Deal found 22/2£469

Wed 12/320:25SFO - LGW

1 stop14h 25mSWISS

Mon 17/318:45LGW - SFO

1 stop29h 40mSWISS

Deal found 22/2£479

Wed 26/313:00SFO - LHR

1 stop14h 10mMultiple Airlines

Mon 31/320:05LHR - SFO

1 stop28h 05mMultiple Airlines

Deal found 23/2£479

Sun 9/318:20SFO - LHR

1 stop14h 15mAer Lingus

Tue 25/309:50LHR - SFO

1 stop13h 40mAer Lingus

Deal found 23/2£479

Mon 28/407:30SFO - STN

2 stops29h 30mMultiple Airlines

Mon 5/522:00STN - SFO

2 stops31h 25mMultiple Airlines

Deal found 22/2£482

Thu 13/321:35SFO - LHR

1 stop32h 25mUnited Airlines

Sun 16/310:05LHR - SFO

Nonstop11h 10mUnited Airlines

Deal found 22/2£482

Mon 10/306:15SJC - LHR

1 stop17h 50mVirgin Atlantic

Wed 26/313:15LHR - SJC

1 stop15h 55mVirgin Atlantic

Deal found 22/2£487

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 23 February 2025.

Mon 17/317:40SFO - LGW

1 stop15h 05mTAP AIR PORTUGAL

Tue 25/321:20LGW - SFO

2 stops25h 20mTAP AIR PORTUGAL

Deal found 22/2£464

Wed 5/317:30SFO - LHR

1 stop17h 00mScandinavian Airlines

Sun 9/318:40LHR - SFO

1 stop29h 00mScandinavian Airlines

Deal found 23/2£464

Wed 12/318:30SFO - LHR

Nonstop10h 30mIberia

Wed 19/311:45LHR - SFO

Nonstop11h 15mIberia

Deal found 22/2£465

Sun 9/321:40SFO - LHR

Nonstop10h 35mBritish Airways

Tue 25/311:45LHR - SFO

Nonstop11h 15mBritish Airways

Deal found 23/2£467

Wed 30/409:00SFO - LGW

1 stop17h 55mMultiple Airlines

Wed 7/510:45LGW - SFO

1 stop17h 42mMultiple Airlines

Deal found 22/2£469

Wed 12/320:25SFO - LGW

1 stop14h 25mSWISS

Mon 17/318:45LGW - SFO

1 stop29h 40mSWISS

Deal found 22/2£479

Sun 9/318:20SFO - LHR

1 stop14h 15mAer Lingus

Tue 25/309:50LHR - SFO

1 stop13h 40mAer Lingus

Deal found 23/2£479

Thu 13/321:35SFO - LHR

1 stop32h 25mUnited Airlines

Sun 16/310:05LHR - SFO

Nonstop11h 10mUnited Airlines

Deal found 22/2£482

Mon 10/306:15SJC - LHR

1 stop17h 50mVirgin Atlantic

Wed 26/313:15LHR - SJC

1 stop15h 55mVirgin Atlantic

Deal found 22/2£487

Mon 10/317:10SJC - LHR

1 stop33h 50mDelta

Wed 26/306:30LHR - SJC

2 stops18h 15mDelta

Deal found 22/2£495

Mon 10/306:10SJC - LHR

1 stop18h 10mFinnair

Wed 26/310:40LHR - SJC

1 stop17h 45mFinnair

Deal found 22/2£503

Tue 1/408:30SFO - LHR

2 stops17h 30mAir Canada

Thu 24/409:30LHR - SFO

2 stops19h 21mAir Canada

Deal found 22/2£506

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 23 February 2025.

Wed 12/318:30SFO - LHR

Nonstop10h 30mIberia

Thu 27/311:45LHR - SFO

Nonstop11h 15mIberia

Deal found 23/2£465

Sun 9/321:40SFO - LHR

Nonstop10h 35mBritish Airways

Tue 25/311:45LHR - SFO

Nonstop11h 15mBritish Airways

Deal found 23/2£467

Sun 9/317:40SFO - LHR

Nonstop10h 15mVirgin Atlantic

Tue 25/311:40LHR - SFO

Nonstop11h 10mVirgin Atlantic

Deal found 23/2£478

Sun 9/321:40SFO - LHR

Nonstop10h 35mFinnair

Tue 25/311:45LHR - SFO

Nonstop11h 15mFinnair

Deal found 22/2£492

Tue 11/318:25SFO - LHR

Nonstop10h 35mUnited Airlines

Mon 17/310:05LHR - SFO

Nonstop11h 10mUnited Airlines

Deal found 21/2£499

Wed 9/416:10SFO - LHR

Nonstop10h 20mDelta

Tue 15/411:15LHR - SFO

Nonstop11h 05mDelta

Deal found 23/2£521

Thu 27/313:50SFO - LHR

Nonstop10h 35mLufthansa

Thu 1/510:35LHR - SFO

Nonstop11h 05mLufthansa

Deal found 22/2£566

Sun 1/616:00SFO - LHR

Nonstop10h 25mAir Canada

Tue 17/612:20LHR - SFO

Nonstop11h 00mAir Canada

Deal found 22/2£670

Thu 1/519:40SFO - LHR

Nonstop10h 30mAustrian Airlines

Thu 15/510:35LHR - SFO

Nonstop11h 05mAustrian Airlines

Deal found 23/2£687

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 23 February 2025 and is based on user searches.

Wed 26/216:35SFO - LHR

1 stop16h 55mTAP AIR PORTUGAL

Tue 11/318:30LHR - SFO

1 stop28h 10mTAP AIR PORTUGAL

Deal found 22/2£469

Sat 1/322:59SFO - LGW

1 stop27h 36mMultiple Airlines

Tue 25/312:00LGW - SFO

1 stop26h 06mMultiple Airlines

Deal found 22/2£467

Sun 2/316:40SFO - LHR

Nonstop10h 15mVirgin Atlantic

Tue 25/306:30LHR - SFO

1 stop13h 20mVirgin Atlantic

Deal found 22/2£493

Mon 3/316:40SFO - LGW

1 stop15h 05mTAP AIR PORTUGAL

Thu 6/315:55LGW - SFO

1 stop30h 20mTAP AIR PORTUGAL

Deal found 22/2£465

Mon 3/317:20SFO - LHR

1 stop15h 30mAer Lingus

Fri 7/308:50LHR - SFO

1 stop14h 40mAer Lingus

Deal found 23/2£491

Mon 3/316:03SJC - LGW

2 stops34h 32mMultiple Airlines

Thu 27/312:00LGW - SJC

1 stop14h 13mMultiple Airlines

Deal found 22/2£505

Mon 3/316:40SFO - LHR

Nonstop10h 15mDelta

Tue 11/306:30LHR - SFO

1 stop13h 20mDelta

Deal found 23/2£507

Mon 3/313:40SFO - LHR

1 stop12h 20mKLM

Tue 25/306:30LHR - SFO

1 stop13h 20mKLM

Deal found 22/2£508

Mon 3/306:20SJC - LHR

1 stop17h 35mUnited Airlines

Tue 11/315:00LHR - SJC

2 stops29h 44mUnited Airlines

Deal found 23/2£517

Tue 4/312:50SFO - LHR

Nonstop10h 35mUnited Airlines

Thu 13/308:55LHR - SFO

1 stop15h 30mUnited Airlines

Deal found 21/2£509

Tue 4/310:50SFO - LHR

1 stop15h 20mAir Canada

Tue 11/308:55LHR - SFO

2 stops19h 47mAir Canada

Deal found 22/2£514

Wed 5/317:30SFO - LHR

1 stop17h 00mScandinavian Airlines

Sun 9/318:40LHR - SFO

1 stop29h 00mScandinavian Airlines

Deal found 23/2£464

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 23 February 2025.

Wed 2/419:54SJC - LGW

2 stops26h 26mMultiple Airlines

Deal found 22/2£170

Fri 28/306:00SFO - LGW

2 stops45h 00mMultiple Airlines

Deal found 23/2£244

Tue 13/520:00SFO - LHR

1 stop16h 05mIberia

Deal found 23/2£244

Tue 22/410:15SFO - LHR

2 stops17h 50mMultiple Airlines

Deal found 22/2£244

Mon 10/320:10SFO - LTN

3 stops43h 20mMultiple Airlines

Deal found 22/2£245

Sun 23/320:10SFO - STN

3 stops30h 50mMultiple Airlines

Deal found 23/2£247

Sat 5/407:31OAK - LHR

3 stops44h 34mMultiple Airlines

Deal found 22/2£248

Wed 30/406:00SFO - LHR

1 stop16h 30mJetBlue

Deal found 21/2£253

Sat 5/418:55OAK - LGW

3 stops32h 50mMultiple Airlines

Deal found 22/2£267

Fri 20/614:45SFO - LGW

3 stops34h 40mWestJet

Deal found 22/2£267

Sun 6/720:10SFO - LGW

1 stop30h 05mVueling

Deal found 23/2£279

Sun 23/318:30SFO - LHR

Nonstop10h 30mBritish Airways

Deal found 23/2£286

Find flights from San Francisco Bay Area to London within your budget

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 17/3

17:40-15:45

1 stop15h 05m

London Gatwick

Tue 25/3

21:20-15:40

2 stops25h 20m

£464

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 5/3

17:30-18:30

1 stop17h 00m

London Heathrow

Sun 9/3

18:40-16:40

1 stop29h 00m

£464

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 12/3

18:30-12:00

Nonstop10h 30m

London Heathrow

Thu 27/3

11:45-16:00

Nonstop11h 15m

£465

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 9/3

17:40-10:55

Nonstop10h 15m

London Heathrow

Tue 25/3

11:40-15:50

Nonstop11h 10m

£467

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 15/4

06:10-09:00

1 stop18h 50m

London Heathrow

Thu 1/5

12:00-21:28

1 stop17h 28m

£468

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 30/4

09:00-10:55

1 stop17h 55m

London Gatwick

Wed 7/5

10:45-20:27

1 stop17h 42m

£469

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 21/3

23:31-06:30

1 stop23h 59m

London Heathrow

Wed 9/4

06:00-16:10

1 stop18h 10m

£469

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 12/3

20:25-17:50

1 stop14h 25m

London Gatwick

Mon 17/3

18:45-17:25

1 stop29h 40m

£479

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 9/3

18:20-15:35

1 stop14h 15m

London Heathrow

Tue 25/3

09:50-16:30

1 stop13h 40m

£479

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 13/3

21:35-13:00

1 stop32h 25m

London Heathrow

Sun 16/3

10:05-14:15

Nonstop11h 10m

£482

Flights are sorted by cheapest return flights first.

Deals found on 22/2

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.

Travel insights for flights from San Francisco Bay Area to London

Get recent, data-driven insights about flights from San Francisco Bay Area to London including ideal travel times, pricing trends, and more.

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 £163). 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 (33 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (27 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

8,191 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

8,191 reviews

Delta

8.0

Very Good

8,191 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

9,707 reviews

Delta

8.0

Very Good

8,191 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

1,333 reviews

Delta

8.0

Very Good

8,191 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

1,273 reviews

Delta

8.0

Very Good

8,191 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

7.5

Good

772 reviews

Delta

8.0

Very Good

8,191 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 Iberia. According to our data, you can fly for as low as £244. Users have also found prices from £253 and £267 on JetBlue and WestJet, 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 City or San Francisco - London Gatwick.
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 Air Canada (85%), Austrian Airlines (85%) or United Airlines (85%) 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 £2,056 for a flight from San Francisco Bay Area to London. The cheapest flight overall is £291 while the most popular route, (San Francisco - London Heathrow) is currently priced at £423.
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 £163). 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

Croydon

Gatwick

Slough

Luton

Ilford

Hayes

Eastbourne

Wembley

Southend-on-Sea

Ipswich

Winchester

Maidstone

Crawley

Southall

Watford

Dartford

Stansted

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£387	Average£682	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
TAP AIR PORTUGAL	Cheapest£415	Average£432	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Virgin Atlantic	Cheapest£448	Average£540	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Iberia	Cheapest£454	Average£569	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest£457	Average£585	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air Canada	Cheapest£462	Average£724	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
KLM	Cheapest£470	Average£538	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£483	Average£707	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£511	Average£746	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Delta	Cheapest£543	Average£737	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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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 from £170

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 2/4. 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 23 February 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 23 February 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 23 February 2025.

Find flights from San Francisco Bay Area to London within your budget

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.

Travel insights for flights from San Francisco Bay Area to London

Get recent, data-driven insights about flights from San Francisco Bay Area to London including ideal travel times, pricing trends, and more.

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 23 February 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 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?

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

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

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

How can I find direct flights 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 23 February 2025.