Find flights
When to book
Airlines
FAQs

Cheap flights from San Francisco to Glasgow Intl Airport from £242

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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — GLA
7 Sep — 14 Sep1
1 adult

Cheapflights Tip: The best prices from San Francisco to Glasgow Intl are usually found in January or February, booked 51 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from San Francisco to Glasgow Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Glasgow Intl (GLA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 September 2025.

Round-trip from

£415

One-way from

£242

Popular in

June

Cheapest in

January

Average price

£517
British Airways
  • British Airways
  • 29/10-6/11
  • 2 total stops
  • 37h 35m total
  • San Francisco to Glasgow
Search Deals
21/11
  • 21/11
  • 3 total stops
  • 33h 55m total
  • San Francisco to Glasgow
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from San Francisco to Glasgow Intl

Cheapest flights from San Francisco to Glasgow Intl
Explore the most affordable flight options available from San Francisco to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.

Wed 29/1021:40SFO - GLA
1 stop16h 45mBritish Airways
Thu 6/1105:55GLA - SFO
1 stop20h 50mBritish Airways
Deal found 1/9£415
Sun 5/1019:20SFO - GLA
1 stop18h 10mBritish Airways
Tue 14/1005:50GLA - SFO
1 stop16h 00mBritish Airways
Deal found 2/9£423
Wed 29/1015:50SFO - GLA
2 stops17h 00mAmerican Airlines
Thu 6/1106:35GLA - SFO
2 stops19h 51mAmerican Airlines
Deal found 1/9£426
Wed 19/1106:30SFO - GLA
2 stops19h 10mBritish Airways
Wed 3/1220:25GLA - SFO
1 stop26h 35mBritish Airways
Deal found 1/9£433
Mon 13/1016:30SFO - GLA
1 stop16h 15mBritish Airways
Tue 21/1021:20GLA - SFO
1 stop24h 30mBritish Airways
Deal found 31/8£451
Wed 12/1120:40SFO - GLA
1 stop17h 50mBritish Airways
Sun 16/1105:55GLA - SFO
1 stop17h 05mBritish Airways
Deal found 1/9£454
Wed 8/1016:30SFO - GLA
1 stop22h 45mBritish Airways
Wed 15/1005:50GLA - SFO
1 stop16h 00mBritish Airways
Deal found 31/8£460
Wed 5/1120:40SFO - GLA
1 stop17h 50mBritish Airways
Fri 14/1111:40GLA - SFO
2 stops19h 01mBritish Airways
Deal found 1/9£461
Sun 5/1015:30SFO - GLA
2 stops17h 10mAmerican Airlines
Tue 14/1010:55GLA - SFO
2 stops19h 12mAmerican Airlines
Deal found 30/8£463

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco to Glasgow Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 September 2025.
Use the filters below to find and compare flights from San Francisco to Glasgow Intl Airport that are best for you.

Fly from

San Francisco

Fly to

Glasgow Intl

Route

Depart

Return

Price

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Wed 29/10

21:40-21:25

1 stop16h 45m

Glasgow Intl

Thu 6/11

05:55-18:45

1 stop20h 50m

£415

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Sun 1/2

17:30-16:40

1 stop15h 10m

Glasgow Intl

Mon 16/2

20:25-15:00

1 stop26h 35m

£417

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Tue 13/1

20:40-21:30

1 stop16h 50m

Glasgow Intl

Wed 28/1

12:45-18:45

1 stop14h 00m

£417

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Sun 5/10

19:20-21:30

1 stop18h 10m

Glasgow Intl

Tue 14/10

05:50-13:50

1 stop16h 00m

£423

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Wed 29/10

15:50-15:50

2 stops17h 00m

Glasgow Intl

Thu 6/11

06:35-18:26

2 stops19h 51m

£426

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Wed 19/11

06:30-09:40

2 stops19h 10m

Glasgow Intl

Wed 3/12

20:25-15:00

1 stop26h 35m

£433

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Wed 5/11

20:40-18:15

1 stop13h 35m

Glasgow Intl

Fri 14/11

08:15-18:45

1 stop18h 30m

£451

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Fri 7/11

17:30-15:10

1 stop13h 40m

Glasgow Intl

Fri 21/11

08:15-15:00

1 stop14h 45m

£451

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Fri 21/11

13:00-06:55

3 stops33h 55m

£242

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Sat 27/12

16:35-20:30

2 stops43h 55m

£284

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 16 results
1
2

Best time to book a flight from San Francisco to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from San Francisco 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 to Glasgow Intl Airport

How far ahead should I book a flight from San Francisco to Glasgow Intl Airport?

Use this chart to determine the optimal time to book a return flight from San Francisco to Glasgow Intl. Price data was last updated on 29 August 2025.

The price you pay for your flight from San Francisco to Glasgow Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 51 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Francisco to Glasgow Intl Airport?

Currently, April is the cheapest month in which you can book a flight from San Francisco to Glasgow Intl Airport (average of £97). Flying from San Francisco to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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 SFO to GLA?

Find hourly flight availability from San Francisco to Glasgow Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 September 2025.

It’s optimal to fly from San Francisco to Glasgow Intl Airport in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Glasgow Intl

Get insights into the airlines that provide service to Glasgow Intl. 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 Glasgow Intl. Reviews last updated 2 September 2025.
Check out reviews from past customers who have flown with British Airways from San Francisco to Glasgow Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,344 reviews
Check prices

Entertainment

6.4

Crew

7.6

Food

6.3

Boarding

6.9

Overall

6.7

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,344 reviews
British Airways
6.7
Okay
7,344 reviews
Check prices

Entertainment

6.4

Crew

7.6

Food

6.3

Boarding

6.9

Overall

6.7

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Glasgow Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to Glasgow Intl?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Glasgow Intl. On average, San Francisco has 0 outbound flights to Glasgow Intl per day from 1 airline. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • How long is the flight from San Francisco to Glasgow Intl Airport?

    British Airways and American Airlines can get you from San Francisco to Glasgow Intl Airport in just under 16h 45m. Your travel time can differ by up to 15m. San Francisco and Glasgow Intl Airport are separated by a distance of 5021 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from San Francisco to Glasgow Intl Airport round-trip?

    Flying on British Airways is currently your cheapest option to Glasgow Intl Airport, with prices starting at £426. British Airways is priced at 27% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from San Francisco to Glasgow Intl that include hotel bookings?

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

  • How can I find direct flights from San Francisco to Glasgow Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Glasgow Intl.

  • Can I find deals for business class flights from San Francisco to Glasgow Intl?

    Yes. Cheapflights offers flight deals from San Francisco to Glasgow Intl 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 to Glasgow Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Glasgow Intl Airport (average of £97). Flying from San Francisco to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley
Dunoon
Largs
Renfrew
Kilmarnock
Dumbarton
Clydebank
East Kilbride
Arrochar
Inveraray
Rothesay
Ballachulish
Alexandria
Tarbert
Balloch

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from San Francisco to Glasgow Intl

Discover the top airline that operate flights from San Francisco to Glasgow Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£426Average£478FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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 to Glasgow Intl?

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 Glasgow Intl from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Glasgow Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Glasgow Intl.

Can Cheapflights find flights from San Francisco to Glasgow Intl with no change fees?

Certainly. Search results for flights to Glasgow Intl from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco to Glasgow Intl become cheaper?

Yes! Start tracking prices for San Francisco to Glasgow Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.