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$541+ 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SFO
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$617
(KLM)

One-way from

$541
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$768
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. 11% potential increase in price ($90 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 September 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 septiembre 11, 2025.

This KLM deal was found by Cheapflights users on 9/10. 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.
mar. 10/285:20 pmGLA - SFO
1 stop26h 30mKLM
lun. 11/31:55 pmSFO - GLA
1 stop18h 40mKLM
Deal found 9/10$617
This KLM deal was found by Cheapflights users on 9/10. 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.
lun. 10/61:30 pmGLA - SFO
1 stop30h 15mKLM
mié. 10/151:45 pmSFO - GLA
1 stop25h 25mKLM
Deal found 9/10$618
This Delta deal was found by Cheapflights users on 9/10. 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.
jue. 10/306:05 amGLA - SFO
2 stops18h 40mDelta
lun. 11/37:00 amSFO - GLA
2 stops21h 45mDelta
Deal found 9/10$623
This Air France deal was found by Cheapflights users on 9/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/296:05 amGLA - SFO
2 stops18h 40mMultiple Airlines
lun. 11/31:55 pmSFO - GLA
1 stop14h 50mMultiple Airlines
Deal found 9/10$627
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/18:55 amGLA - SFO
1 stop14h 05mBritish Airways
lun. 12/88:40 pmSFO - GLA
1 stop13h 35mBritish Airways
Deal found 9/10$645
This World Air Fares deal was found by Cheapflights users on 9/10. 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.
lun. 10/611:35 amGLA - SFO
2 stops18h 55mFinnair
mié. 10/153:50 pmSFO - GLA
2 stops19h 55mFinnair
Deal found 9/10$652
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/2612:45 pmGLA - SFO
1 stop14h 00mBritish Airways
dom. 12/73:54 pmSFO - GLA
2 stops16h 46mBritish Airways
Deal found 9/10$661
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/268:15 amGLA - SFO
1 stop14h 45mBritish Airways
mié. 1/215:30 pmSFO - GLA
1 stop14h 55mBritish Airways
Deal found 9/10$669
This British Airways deal was found by Cheapflights users on 9/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2811:40 amGLA - SFO
2 stops18h 49mBritish Airways
lun. 11/312:11 pmSFO - GLA
2 stops18h 19mBritish Airways
Deal found 9/10$671
This Delta deal was found by Cheapflights users on 9/11. 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.
mar. 10/146:00 amGLA - SFO
1 stop13h 45mDelta
dom. 10/195:50 amSFO - GLA
2 stops23h 10mDelta
Deal found 9/11$672
This KLM deal was found by Cheapflights users on 9/10. 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.
mar. 10/144:55 pmGLA - SFO
1 stop26h 50mKLM
dom. 10/191:45 pmSFO - GLA
1 stop34h 25mKLM
Deal found 9/10$673

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 septiembre 11, 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

mar. 10/28

5:20 pm-12:50 pm

1 stop26h 30m

San Francisco

lun. 11/3

1:55 pm-4:35 pm

1 stop18h 40m

$617

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

jue. 10/30

6:05 am-12:50 pm

1 stop13h 45m

San Francisco

lun. 11/3

6:00 am-12:45 pm

2 stops22h 45m

$618

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

jue. 3/5

11:30 am-6:45 pm

1 stop15h 15m

San Francisco

lun. 3/9

4:24 pm-4:35 pm

2 stops17h 11m

$618

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

lun. 10/6

1:30 pm-11:45 am

1 stop30h 15m

San Francisco

mié. 10/15

1:45 pm-11:10 pm

1 stop25h 25m

$618

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

mié. 10/29

6:05 am-5:45 pm

2 stops18h 40m

San Francisco

lun. 11/3

1:55 pm-12:45 pm

1 stop14h 50m

$627

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

mié. 2/4

5:20 pm-11:50 am

1 stop26h 30m

San Francisco

lun. 2/9

3:40 pm-4:35 pm

2 stops16h 55m

$650

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

lun. 10/6

11:35 am-10:30 pm

2 stops18h 55m

San Francisco

mié. 10/15

7:20 pm-6:40 pm

1 stop15h 20m

$652

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

mié. 10/15

5:20 pm-3:55 pm

1 stop30h 35m

$598

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

mar. 10/28

8:55 am-4:00 pm

1 stop14h 05m

$610

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

mar. 10/28

11:40 am-11:29 pm

2 stops18h 49m

$625

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 15 results
1
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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 August 29, 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 $357). 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 septiembre 11, 2025.
Peruse reviews from past customers who have flown with British Airways 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.
British Airways
6.7
Okay
7,361 reviews

Boarding

6.9

Crew

7.6

Entertainment

6.4

Overall

6.7

Comfort

6.7

Food

6.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.
British Airways
6.7
Okay
7,361 reviews
British Airways
6.7
Okay
7,361 reviews

Boarding

6.9

Crew

7.6

Entertainment

6.4

Overall

6.7

Comfort

6.7

Food

6.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

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.

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

    There are many flights that can get you from Glasgow Intl Airport to San Francisco in 13h 45m. Fly via KLM, Delta, or American Airlines to get the fastest option. Airlines will cover a distance of 5021 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on British Airways is currently your cheapest option to San Francisco, with prices starting at $586. You may be able to fly from Glasgow Intl Airport to San Francisco for 20% less than the average price by searching for this airline.

  • 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 $598 on Aer Lingus. Other airlines that offer cheap prices include Finnair from $610 and Iberia from $625 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 $357). 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
Santa Cruz
Livermore
South San Francisco
Turlock
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Watsonville
Manteca
Santa Clara
Sunnyvale
Hollister
Vacaville
Foster City
Vallejo
Burlingame
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Union City
San Leandro
San Mateo
Lathrop

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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$586Average$854FlexibilityNo cancel feeOn-time70%

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