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$418+ Cheap flights from Glasgow Intl (GLA) to San Francisco (SFO)

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SFO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Glasgow Intl to San Francisco are usually found in February or March, booked 90 days in advance, depart on a Friday or Sunday and return on a Monday

Cheap flight deals from Glasgow Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to San Francisco (SFO). 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 July 29, 2025.

Round-trip from

$644
(Mytrip)

One-way from

$418
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$759
From Glasgow Intl to San Francisco
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One-way flight from Glasgow Intl to San Francisco
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Highest demand for flights based on searches. 10% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Glasgow Intl to San Francisco

Cheapest flights from Glasgow Intl to San Francisco
Explore the most affordable flight options available from Glasgow Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/82:20 pmGLA - SFO
2 stops34h 10mMultiple Airlines
Mon 9/157:40 pmSFO - GLA
2 stops18h 30mMultiple Airlines
Deal found 7/29$644
This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/88:35 amGLA - SFO
1 stop15h 20mAer Lingus
Mon 9/155:40 pmSFO - GLA
1 stop13h 45mAer Lingus
Deal found 7/29$710
This Netflights deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/412:45 pmGLA - SFO
1 stop14h 00mBritish Airways
Wed 11/128:40 pmSFO - GLA
1 stop13h 35mBritish Airways
Deal found 7/27$713
This KLM deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:00 amGLA - SFO
1 stop13h 45mKLM
Mon 9/221:45 pmSFO - GLA
1 stop18h 25mKLM
Deal found 7/29$732
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:05 amGLA - SFO
2 stops21h 30mDelta
Wed 11/1211:05 amSFO - GLA
2 stops21h 30mDelta
Deal found 7/27$743
This World Air Fares deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:00 amGLA - SFO
2 stops19h 18mAir France
Thu 9/181:45 pmSFO - GLA
2 stops18h 25mAir France
Deal found 7/27$807
This Ovago deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/172:40 pmGLA - SFO
1 stop31h 10mIberia
Wed 2/188:40 pmSFO - GLA
1 stop17h 50mIberia
Deal found 7/27$843
This Lufthansa deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:40 pmGLA - SFO
1 stop32h 00mLufthansa
Wed 12/314:10 pmSFO - GLA
2 stops47h 00mLufthansa
Deal found 7/27$1,086

Cheapflights Fare Finder

 
Customize your flight search to find flights from Glasgow Intl to San Francisco 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 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to San Francisco that are best for you.

Fly from

Glasgow Intl

Fly to

San Francisco

Route

Depart

Return

Price

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Mon 9/8

2:20 pm-4:30 pm

2 stops34h 10m

San Francisco

Mon 9/15

7:40 pm-10:10 pm

2 stops18h 30m

$644

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Mon 9/8

8:35 am-3:55 pm

1 stop15h 20m

San Francisco

Mon 9/15

5:40 pm-3:25 pm

1 stop13h 45m

$710

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Tue 11/4

12:45 pm-6:45 pm

1 stop14h 00m

San Francisco

Wed 11/12

8:40 pm-6:15 pm

1 stop13h 35m

$713

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Mon 9/8

6:00 am-11:45 am

1 stop13h 45m

San Francisco

Mon 9/22

1:45 pm-4:10 pm

1 stop18h 25m

$732

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Tue 11/4

9:05 am-10:35 pm

2 stops21h 30m

San Francisco

Wed 11/12

11:05 am-4:35 pm

2 stops21h 30m

$743

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Thu 9/11

6:00 am-5:18 pm

2 stops19h 18m

San Francisco

Thu 9/18

1:45 pm-4:10 pm

2 stops18h 25m

$807

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Sun 8/17

2:40 pm-1:50 pm

1 stop31h 10m

San Francisco

Wed 2/18

8:40 pm-10:30 pm

1 stop17h 50m

$843

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Wed 12/24

12:40 pm-12:40 pm

1 stop32h 00m

San Francisco

Wed 12/31

4:10 pm-11:10 pm

2 stops47h 00m

$1,086

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Thu 10/16

8:50 pm-11:58 pm

2 stops35h 08m

$418

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Mon 9/1

8:35 am-3:55 pm

1 stop15h 20m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 14 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Glasgow Intl with our price prediction graph.
Estimated round-trip 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 Glasgow Intl Airport to San Francisco

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

Use this chart to determine the optimal time to book a round-trip flight from Glasgow Intl to San Francisco. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Glasgow Intl Airport to San Francisco, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to San Francisco (average of $276). Flying from Glasgow Intl Airport to San Francisco in June is currently the most expensive (average of $358). 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.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated July 29, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Air Transat from Glasgow Intl Airport to San Francisco 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.
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.7
Good
424 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.1
Good
1,190 reviews
Delta
8.0
Very good
7,979 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to San Francisco. 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 into for flights to San Francisco from Glasgow Intl?

    San Francisco (SFO) is the airport you will fly into if you book a flight from Glasgow Intl to San Francisco. You should not have trouble finding flights to San Francisco from Glasgow Intl; the airport handles an average of 0 inbound flights from Glasgow Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights to the San Francisco airport from Glasgow Intl. It is only a 11.8 mi journey from San Francisco (SFO) to San Francisco’s city center.

  • What are the cheapest airlines flying from Glasgow Intl Airport to San Francisco round-trip?

    Flying on Aer Lingus is currently your cheapest option to San Francisco, with prices starting at $710. Additional round-trip tickets that might be worth considering are offered by British Airways and KLM, with the lowest prices starting at $713 and $732, respectively. You may be able to fly from Glasgow Intl Airport to San Francisco for 2% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Glasgow Intl Airport to San Francisco one-way?

    One-way options have recently been found by users for as low as $628 on Aer Lingus. Other airlines that offer cheap prices include British Airways from $811 and Lufthansa from $1,061 one-way.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to San Francisco (average of $276). Flying from Glasgow Intl Airport to San Francisco in June is currently the most expensive (average of $358). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Glasgow Intl to San Francisco

Discover the top airline that operate flights from Glasgow Intl to San Francisco. 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 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$586Average$855FlexibilityNo cancel feeOn-time70%

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