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£73+ Cheap flights from San Francisco Bay Area

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — LHR
1 Jun — 8 Jun1
1 adult
1 adult, Economy, 0 bags

Find flights from San Francisco Bay Area within your budget

 
Find flights departing from San Francisco Bay Area that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 2 May 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 21/8

16:45-09:35

2 stops32h 50m

London Heathrow

Fri 28/8

19:50-14:40

2 stops26h 50m

£593

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 15/9

17:55-12:15

Nonstop10h 20m

London Heathrow

Wed 23/9

06:30-11:45

1 stop13h 15m

£627

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Mon 28/9

19:30-17:40

1 stop14h 10m

Glasgow Intl

Wed 30/9

19:40-13:50

1 stop26h 10m

£631

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 11/5

07:10-11:20

1 stop20h 10m

London Heathrow

Thu 21/5

06:30-16:09

2 stops17h 39m

£637

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 18/8

09:05-10:15

1 stop17h 10m

London Heathrow

Tue 1/9

08:40-18:45

2 stops18h 05m

£637

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Mon 28/9

06:00-10:10

2 stops20h 10m

Glasgow Intl

Wed 30/9

14:00-23:32

1 stop17h 32m

£640

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 12/8

08:55-16:00

2 stops23h 05m

London Gatwick

Thu 3/9

10:25-23:07

2 stops20h 42m

£646

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 5/8

16:45-11:10

Nonstop10h 25m

London Heathrow

Fri 14/8

06:55-14:20

1 stop15h 25m

£651

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Sun 18/10

13:45-19:45

1 stop22h 00m

London City

Tue 27/10

07:45-20:49

2 stops20h 04m

£656

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Thu 13/8

13:45-07:15

1 stop33h 30m

London City

Mon 31/8

10:00-11:45

1 stop33h 45m

£670

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Francisco Bay Area

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

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

When is the best time to book a flight from San Francisco Bay Area?

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco Bay Area. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area (average of £329). Flying from San Francisco Bay Area in February will prove the most costly (average of £1,051). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from San Francisco Bay Area?

Use this chart to determine the cheapest time to fly return from San Francisco Bay Area to Heathrow. Price data was last updated on 25 April 2026.

Those who are seeking the cheapest fare on flights departing from San Francisco Bay Area would be wise to consider leaving during Tuesday evenings when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Friday at midday when fares are usually the most expensive.

Which airlines fly from San Francisco Bay Area?

Many airlines operate round-trip flights from San Francisco Bay Area: Virgin Atlantic, United Airlines, British Airways, Lufthansa, KLM. These airlines fly to the following popular destinations: London.

United Airlines
United Airlines
From £181
Virgin Atlantic
Virgin Atlantic
From £364
Alaska Airlines
Alaska Airlines
From £44
Frontier
Frontier
From £38

Airline reviews for flights from San Francisco Bay Area

Get insights into the airlines that provide service from San Francisco Bay Area. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from San Francisco Bay Area. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Check out reviews from past customers who have flown KLM,United Airlines, andVirgin Atlantic from San Francisco Bay Area to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,509 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,509 reviews
KLM
7.8
Good
1,509 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,682 reviews
KLM
7.8
Good
1,509 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.4
Good
688 reviews
KLM
7.8
Good
1,509 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
7,964 reviews
KLM
7.8
Good
1,509 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
7,940 reviews
KLM
7.8
Good
1,509 reviews
Check prices

Crew

8.4

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.8

Boarding

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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Related info for your journey

Access useful and relevant information related to your journey from San Francisco Bay Area. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 2 May 2026.

  • What is the cheapest airport to fly out of San Francisco Bay Area?

    Madrid Barajas airport offers the cheapest routes to Bristol, from £21; whereas Barcelona-El Prat airport is typically cheaper if you're flying to Bristol, from £21. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

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

    At the present moment the cheapest month to fly from San Francisco Bay Area is currently January; with February being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from San Francisco Bay Area?

    Check out the cheapest flights from San Francisco Bay Area to embark to:
    Travel from Madrid to London from £21 round trip
    Travel from London to Palma de Mallorca from £22 round trip
    Travel from London to Bilbao from £22 round trip
    Travel from London to Valencia from £23 round trip
    Travel from Birmingham to Rome from £23 round trip

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

    Deals for flights from San Francisco Bay Area 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 to your preference, such as price, airport, cabin class, and plenty of other options.

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

    Cheapflights simply makes it quick and affordable to book flights from San Francisco Bay Area by bringing together all flight options from hundreds of airlines and agencies online — and we put them 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 with no change fees?

    Need flexible booking options for your flight 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 become cheaper?

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from San Francisco Bay Area today and book when you’re ready!

See more FAQs

Fly with Cheapflights

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

Deals for flights from San Francisco Bay Area 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 to your preference, such as price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from San Francisco Bay Area by bringing together all flight options from hundreds of airlines and agencies online — and we put them 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 with no change fees?

Need flexible booking options for your flight 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 become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from San Francisco Bay Area today and book when you’re ready!

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