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Cheap flights from San Francisco to Guernsey from $1,028

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Guernsey departing on 8/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from San Francisco to Guernsey

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:30 pm - 12:55 pm
SFO
-
GCI
33h 25m
1 stop
British Airways Logo
1:45 pm - 1:50 pm
GCI
-
SFO
32h 05m
1 stop
$1,028British Airways
Fri, Aug 7 - Wed, Aug 19
British Airways Logo
10:15 am - 12:55 pm
SFO
-
GCI
42h 40m
2 stops
British Airways Logo
1:45 pm - 1:50 pm
GCI
-
SFO
32h 05m
1 stop
$1,040British Airways
Fri, Aug 7 - Wed, Aug 19
British Airways Logo
11:22 am - 12:55 pm
SFO
-
GCI
41h 33m
2 stops
British Airways Logo
1:45 pm - 12:34 am
GCI
-
SFO
18h 49m
2 stops
$1,091British Airways
Fri, Aug 7 - Wed, Aug 19
British Airways Logo
7:30 pm - 12:55 pm
SFO
-
GCI
33h 25m
1 stop
British Airways Logo
1:45 pm - 5:40 pm
GCI
-
SFO
35h 55m
1 stop
$1,333British Airways
Mon, May 4 - Fri, May 8
Multiple Airlines Logo
11:10 am - 6:10 pm
SFO
-
GCI
23h 00m
2 stops
Multiple Airlines Logo
6:55 am - 2:30 pm
GCI
-
SFO
39h 35m
3 stops
$1,435Multiple Airlines
Fri, Aug 7 - Wed, Aug 19
British Airways Logo
7:30 pm - 12:55 pm
SFO
-
GCI
33h 25m
1 stop
British Airways Logo
1:45 pm - 11:51 pm
GCI
-
SFO
18h 06m
2 stops
$1,493British Airways
Mon, May 4 - Fri, May 8
British Airways Logo
10:46 am - 12:55 pm
SFO
-
GCI
18h 09m
2 stops
British Airways Logo
1:45 pm - 11:51 pm
GCI
-
SFO
18h 06m
2 stops
$1,498British Airways
Mon, May 4 - Fri, May 8
Multiple Airlines Logo
8:10 am - 8:45 pm
SFO
-
GCI
28h 35m
3 stops
Multiple Airlines Logo
6:55 am - 2:30 pm
GCI
-
SFO
39h 35m
3 stops
$1,626Multiple Airlines
Fri, Aug 7 - Wed, Aug 19

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British Airways flights from San Francisco to Guernsey

Our best British Airways deals on San Francisco to Guernsey flight tickets
British Airways
Aug 7
SFO7:30 pmSan Francisco
33h 25m
1 stop
GCI12:55 pmSaint Peter Port Guernsey
Aug 19
GCI1:45 pmSaint Peter Port Guernsey
32h 05m
1 stop
SFO1:50 pmSan Francisco
$1,028
British Airways
Aug 7
SFO10:15 amSan Francisco
42h 40m
2 stops
GCI12:55 pmSaint Peter Port Guernsey
Aug 19
GCI1:45 pmSaint Peter Port Guernsey
32h 05m
1 stop
SFO1:50 pmSan Francisco
$1,040
British Airways
Aug 7
SFO11:22 amSan Francisco
41h 33m
2 stops
GCI12:55 pmSaint Peter Port Guernsey
Aug 19
GCI1:45 pmSaint Peter Port Guernsey
18h 49m
2 stops
SFO12:34 amSan Francisco
$1,091

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Guernsey 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, momondo users made 832,500 searches. Data last updated April 16, 2026.
Use the filters below to find and compare flights from San Francisco to Guernsey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Fri 8/7

7:30 pm-12:55 pm

1 stop33h 25m

Saint Peter Port Guernsey

Wed 8/19

1:45 pm-1:50 pm

1 stop32h 05m

$1,028

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Fri 8/7

10:15 am-12:55 pm

2 stops42h 40m

Saint Peter Port Guernsey

Wed 8/19

1:45 pm-1:50 pm

1 stop32h 05m

$1,040

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Fri 8/7

11:22 am-12:55 pm

2 stops41h 33m

Saint Peter Port Guernsey

Wed 8/19

1:45 pm-12:34 am

2 stops18h 49m

$1,091

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Mon 5/4

7:30 pm-12:55 pm

1 stop33h 25m

Saint Peter Port Guernsey

Fri 5/8

1:45 pm-5:40 pm

1 stop35h 55m

$1,333

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Fri 8/7

11:10 am-6:10 pm

2 stops23h 00m

Saint Peter Port Guernsey

Wed 8/19

6:55 am-2:30 pm

3 stops39h 35m

$1,435

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Mon 5/4

7:30 pm-12:55 pm

1 stop33h 25m

Saint Peter Port Guernsey

Fri 5/8

1:45 pm-11:51 pm

2 stops18h 06m

$1,493
Quickest round-trip

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Mon 5/4

10:46 am-12:55 pm

2 stops18h 09m

Saint Peter Port Guernsey

Fri 5/8

1:45 pm-11:51 pm

2 stops18h 06m

$1,498

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Fri 8/7

8:10 am-8:45 pm

3 stops28h 35m

Saint Peter Port Guernsey

Wed 8/19

6:55 am-2:30 pm

3 stops39h 35m

$1,626

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap San Francisco to Guernsey flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Guernsey

Fastest flight time

33h 25m

Direct flights

None
The fastest flight from San Francisco to Guernsey takes 33h 25m
There are no direct flights from San Francisco to Guernsey. There are no popular flight routes from San Francisco to Guernsey.
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Frequently asked questions about flying from San Francisco to Guernsey

  • When did momondo last update prices for flights from San Francisco Airport to Guernsey?

    Prices for flights from San Francisco Airport to Guernsey are refreshed on a daily basis.

  • How old do you have to be to fly from San Francisco Airport to Guernsey?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Guernsey.

  • What documentation or ID do you need to fly to Guernsey?

    The required travel and health documents for your Guernsey trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Guernsey. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from San Francisco to Guernsey

  • How do I get Price Alerts for flights from San Francisco to Guernsey?

    Price Alerts will notify you by email when the price for flights to Guernsey from San Francisco decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from San Francisco to Guernsey with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Guernsey?

Finding the right flight to Guernsey from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Guernsey quick and easy, saving you time and money.

Can I find flights from San Francisco to Guernsey with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San Francisco to Guernsey flights to just show those with flexible booking policies.

How can momondo help me find flights from San Francisco to Guernsey?

Once you have performed a search for San Francisco to Guernsey flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Francisco to Guernsey right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to Guernsey now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Guernsey and let you know when they change.

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