£30+ Cheap flights from San Francisco Bay Area

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 18/1. 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
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Find flights from San Francisco Bay Area

Cheapest flights from San Francisco Bay Area
Explore the most affordable flight options available from San Francisco Bay Area. Find the lowest fares based on data from user searches, with prices last updated on 18 September 2025.

Wed 29/1014:26SFO - LAS
Nonstop1h 43mAlaska Airlines
Tue 4/1107:00LAS - SFO
Nonstop1h 53mAlaska Airlines
Deal found 16/9£56
Tue 16/1214:32SFO - LAS
Nonstop1h 41mAlaska Airlines
Thu 18/1222:17LAS - SFO
Nonstop1h 49mAlaska Airlines
Deal found 16/9£64
Sat 8/1105:00SFO - LAS
Nonstop1h 30mSouthwest
Tue 11/1108:35LAS - SFO
Nonstop1h 35mSouthwest
Deal found 15/9£71
Fri 10/1023:03SFO - LAS
Nonstop1h 42mUnited Airlines
Sat 11/1013:30LAS - SFO
Nonstop1h 43mUnited Airlines
Deal found 15/9£72
Sun 23/1107:00SFO - LAS
Nonstop1h 40mUnited Airlines
Tue 25/1116:05LAS - SFO
Nonstop1h 44mUnited Airlines
Deal found 15/9£73
Thu 30/1018:39SFO - LAS
1 stop15h 21mFrontier
Thu 6/1111:11LAS - SFO
Nonstop1h 49mFrontier
Deal found 15/9£75
Sun 5/1009:31SFO - LAS
1 stop4h 32mFrontier
Thu 9/1007:00LAS - SFO
Nonstop1h 44mFrontier
Deal found 17/9£75
Fri 12/1206:00SFO - LAS
Nonstop1h 37mMultiple Airlines
Mon 15/1207:00LAS - SFO
Nonstop1h 43mMultiple Airlines
Deal found 16/9£76
Sat 1/1118:39SFO - LAS
Nonstop1h 43mFrontier
Fri 7/1100:59LAS - SFO
1 stop17h 46mFrontier
Deal found 16/9£78
Thu 6/1105:00SFO - LAS
Nonstop1h 30mSouthwest
Mon 10/1117:20LAS - SFO
1 stop5h 35mSouthwest
Deal found 15/9£78
Sun 26/1007:25SFO - LAS
Nonstop1h 35mSouthwest
Tue 28/1005:25LAS - SFO
2 stops6h 55mSouthwest
Deal found 14/9£82
Mon 8/1214:55SFO - LAS
1 stop3h 34mAlaska Airlines
Wed 10/1215:39LAS - SFO
Nonstop1h 45mAlaska Airlines
Deal found 17/9£83

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 18 September 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Sat 8/11

20:31-22:14

Nonstop1h 43m

Las Vegas Harry Reid Intl

Tue 11/11

07:00-08:53

Nonstop1h 53m

£56

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Tue 6/1

05:30-07:00

Nonstop1h 30m

Las Vegas Harry Reid Intl

Thu 8/1

09:15-10:55

Nonstop1h 40m

£71

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Fri 31/10

21:00-22:40

Nonstop1h 40m

Las Vegas Harry Reid Intl

Sat 1/11

06:00-07:44

Nonstop1h 44m

£72

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Mon 16/2

16:45-18:30

Nonstop1h 45m

Las Vegas Harry Reid Intl

Thu 19/2

11:08-12:55

Nonstop1h 47m

£72

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Mon 13/10

21:40-23:10

Nonstop1h 30m

Las Vegas Harry Reid Intl

Mon 20/10

19:55-23:45

1 stop3h 50m

£78

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Sat 18/10

10:40-12:24

Nonstop1h 44m

Las Vegas Harry Reid Intl

Sat 18/10

18:27-20:10

Nonstop1h 43m

£78

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Wed 31/12

05:30-07:00

Nonstop1h 30m

Las Vegas Harry Reid Intl

Fri 2/1

18:55-00:20

1 stop5h 25m

£78

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Mon 17/11

05:30-07:00

Nonstop1h 30m

Las Vegas Harry Reid Intl

Tue 18/11

06:45-14:40

2 stops7h 55m

£82

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Wed 22/10

08:30-16:25

1 stop7h 55m

Las Vegas Harry Reid Intl

Fri 24/10

19:55-23:45

1 stop3h 50m

£85

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Mon 24/11

05:30-11:35

1 stop6h 05m

Las Vegas Harry Reid Intl

Thu 27/11

14:45-18:50

1 stop4h 05m

£85

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 60 results
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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.

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

Currently, September is the cheapest month in which you can book a flight from San Francisco Bay Area (average of £377). Flying from San Francisco Bay Area in June will prove the most costly (average of £593). 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 16 December 2024.

Those who are seeking the cheapest fare on flights departing from San Francisco Bay Area would be wise to consider leaving during Wednesday 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.

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 United Airlines, Virgin Atlantic, andIberia 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.

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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??

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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??

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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??

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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??

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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??

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Boarding

7.7

Food

6.6

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??

Browse thousands of different options on Cheapflights for your next trip

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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 18 September 2025.
  • What is the cheapest airport to fly out of San Francisco Bay Area?

    London Stansted airport offers the cheapest routes to Abidjan, from £16; whereas Palma de Mallorca Son Sant Joan airport is typically cheaper if you're flying to London, from £22. 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 September; with June 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 London to Milan from £16 round trip
    Travel from London to Palma de Mallorca from £22 round trip
    Travel from Palma de Mallorca to London from £22 round trip
    Travel from London to Lyon from £26 round trip
    Travel from Bristol to Faro from £26 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

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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