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$420+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — SFO
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Cheap 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 April 28, 2026.

This Mytrip deal was found by Cheapflights users on 4/28. 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.
Tue 5/268:20 am
GLA
-
SFO
1 stop15h 35m
Multiple Airlines
Tue 6/25:40 pm
SFO
-
GLA
1 stop13h 35m
Multiple Airlines
Deal found 4/28$738
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:20 am
GLA
-
SFO
1 stop15h 35m
Multiple Airlines
Tue 6/165:40 pm
SFO
-
GLA
1 stop20h 30m
Multiple Airlines
Deal found 4/24$796
This Bravofly deal was found by Cheapflights users on 4/24. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am
GLA
-
SFO
1 stop14h 50m
British Airways
Tue 9/154:35 pm
SFO
-
GLA
1 stop14h 05m
British Airways
Deal found 4/24$871
This British Airways deal was found by Cheapflights users on 4/28. 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.
Wed 9/236:25 am
GLA
-
SFO
1 stop15h 25m
British Airways
Thu 10/17:30 pm
SFO
-
GLA
1 stop14h 00m
British Airways
Deal found 4/28$881
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 9/236:00 am
GLA
-
SFO
2 stops20h 35m
Delta
Thu 10/16:05 am
SFO
-
GLA
2 stops22h 50m
Delta
Deal found 4/28$894
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:25 am
GLA
-
SFO
1 stop14h 25m
Multiple Airlines
Mon 6/225:35 pm
SFO
-
GLA
1 stop18h 40m
Multiple Airlines
Deal found 4/27$898
This British Airways deal was found by Cheapflights users on 4/26. 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.
Thu 9/107:00 am
GLA
-
SFO
1 stop14h 50m
British Airways
Tue 9/159:24 pm
SFO
-
GLA
2 stops17h 01m
British Airways
Deal found 4/26$918
This Mytrip deal was found by Cheapflights users on 4/24. 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.
Tue 9/15:35 pm
GLA
-
SFO
2 stops29h 00m
Multiple Airlines
Tue 9/154:35 pm
SFO
-
GLA
3 stops33h 05m
Multiple Airlines
Deal found 4/24$930

Find 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 April 28, 2026.

Most accurate provider

BusinessClass
3 stars

Most trusted provider

BusinessClass
3 stars

Round-trip from

$738
(Mytrip)

One-way from

$420
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$837
Provider with most accurate pricing for Glasgow Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Glasgow Intl-San Francisco flights.
Search Deals
From Glasgow Intl to San Francisco
Search Deals
One-way flight from Glasgow Intl to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($135 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 28, 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Thu 9/10

6:00 am-6:48 pm

2 stops20h 48m

San Francisco

Tue 9/15

7:00 am-8:25 am

2 stops17h 25m

$939
Quickest round-trip

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Thu 9/3

11:25 am-5:40 pm

1 stop14h 15m

San Francisco

Mon 9/7

7:30 pm-7:40 pm

1 stop16h 10m

$949

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Mon 6/8

5:50 am-1:50 pm

1 stop16h 00m

San Francisco

Wed 7/22

7:30 pm-6:45 pm

1 stop15h 15m

$972
Cheapest one-way

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Fri 5/22

7:25 am-9:04 pm

3 stops45h 39m

$474

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Fri 9/18

10:05 am-5:35 pm

3 stops39h 30m

$526

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Mon 9/28

10:20 pm-4:15 pm

2 stops25h 55m

$536

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Tue 7/7

8:20 am-4:40 pm

3 stops40h 20m

$547

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Mon 9/28

8:00 am-5:40 pm

1 stop17h 40m

$575

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Tue 9/29

2:00 pm-11:32 pm

1 stop17h 32m

$602

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Sat 10/17

10:00 pm-12:00 pm

2 stops46h 00m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from Glasgow Intl to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Glasgow Intl to San Francisco in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
BusinessClassPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Glasgow Intl Airport-San Francisco flights, users find the pricing of BusinessClass to be most consistent on Cheapflights vs. BusinessClass Users can find the same prices on Glasgow Intl Airport-San Francisco flight deals on Cheapflights vs. BusinessClass >95% of the time. Price accuracy is based on data collected from Glasgow Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Glasgow Intl Airport-San Francisco flights, Cheapflights users trust BusinessClass the most. BusinessClass has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Glasgow Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

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 50 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, May is the cheapest month in which you can book a flight from Glasgow Intl Airport to San Francisco (average of $684). Flying from Glasgow Intl Airport to San Francisco in December is currently the most expensive (average of $1,023). 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.

How much does it cost to fly round-trip from Glasgow Intl Airport to San Francisco?

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 April 28, 2026.
Peruse reviews from past customers who have flown with Aer Lingus and 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.
Aer Lingus
7.3
Good
1,535 reviews

Crew

8.1

Overall

7.3

Food

6.6

Comfort

7.2

Entertainment

7.0

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
Aer Lingus
7.3
Good
1,535 reviews
Aer Lingus
7.3
Good
1,535 reviews

Crew

8.1

Overall

7.3

Food

6.6

Comfort

7.2

Entertainment

7.0

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.
British Airways
6.7
Okay
7,929 reviews
Aer Lingus
7.3
Good
1,535 reviews

Crew

8.1

Overall

7.3

Food

6.6

Comfort

7.2

Entertainment

7.0

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

Griffith,Feb 2026

MAN - DUB

Great experience. Crew was friendly, food was better than what I have experienced with some other airlines and seat pitch was adequate. I would fly Aer Lingus again.

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 2 airlines have flights to the San Francisco airport from Glasgow Intl. It is only a 11.0 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 14h 15m. Fly via Delta or British Airways 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 are the cheapest airlines flying 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. Another option worth looking into is Aer Lingus, starting at $832 round trip. You may be able to fly from Glasgow Intl Airport to San Francisco for 29% less than the average price by searching for these airlines.

  • 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, May is the cheapest month in which you can book a flight from Glasgow Intl Airport to San Francisco (average of $684). Flying from Glasgow Intl Airport to San Francisco in December is currently the most expensive (average of $1,023). 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
South San Francisco
Santa Cruz
Santa Clara
Fairfield
Rancho Cordova
San Bruno
Watsonville
San Ramon
Emeryville
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove

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Alternative routes for Glasgow Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Glasgow Intl to Los Angeles flights
Glasgow Intl to Las Vegas flights
Glasgow Intl to Sacramento flights
Glasgow Intl to Oakland flights

Top 2 airlines flying from Glasgow Intl to San Francisco

Discover the top 2 airlines 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$586Average$782FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$832Average$914FlexibilityNo cancel feeOn-timeN/A

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