Cheap flights from San Francisco to Guernsey from $944

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 9/14. 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

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Find the cheapest flights from San Francisco to Guernsey

Cheap round-trip flights

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1:37 pm - 8:40 pmSFO-GCI
23h 03m2 stops
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6:55 am - 7:30 pmGCI-SFO
20h 35m1 stop
Sun, Sep 14 - Sun, Sep 21
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4:05 pm - 8:40 pmSFO-GCI
20h 35m1 stop
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6:55 am - 7:30 pmGCI-SFO
20h 35m1 stop
Sun, Sep 14 - Sun, Sep 21
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7:30 pm - 8:50 pmSFO-GCI
17h 20m2 stops
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1:40 pm - 4:10 pmGCI-SFO
34h 30m2 stops
$1,114
Find Deal
Sun, Sep 14 - Sun, Sep 21
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7:30 pm - 8:50 pmSFO-GCI
17h 20m2 stops
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6:55 am - 1:57 pmGCI-SFO
39h 02m3 stops
$1,238
Find Deal
Sun, Sep 14 - Sun, Sep 21

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 August 18, 2025.
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

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Sun 9/14

1:37 pm-8:40 pm

2 stops23h 03m

Saint Peter Port Guernsey

Sun 9/21

6:55 am-7:30 pm

1 stop20h 35m

$944

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Sun 9/14

4:05 pm-8:40 pm

1 stop20h 35m

Saint Peter Port Guernsey

Sun 9/21

6:55 am-7:30 pm

1 stop20h 35m

$947

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Sun 9/14

7:30 pm-8:50 pm

2 stops17h 20m

Saint Peter Port Guernsey

Sun 9/21

1:40 pm-4:10 pm

2 stops34h 30m

$1,114

San FranciscoSaint Peter Port

SFO - GCI

SFOGCI

San Francisco

Sun 9/14

7:30 pm-8:50 pm

2 stops17h 20m

Saint Peter Port Guernsey

Sun 9/21

6:55 am-1:57 pm

3 stops39h 02m

$1,238

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

Best Price Found

$944

Fastest flight time

17h 20m

Direct flights

None

Airports in Guernsey

1 airport
The best flight deal from San Francisco to Guernsey found on momondo in the last 72 hours is $944
The fastest flight from San Francisco to Guernsey takes 17h 20m
There are no direct flights from San Francisco to Guernsey. Popular non-direct route for this connection is San Francisco Airport - Saint Peter Port Guernsey Airport.
There is 1 airport near Guernsey: Saint Peter Port Guernsey (GCI)
  • 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.

  • 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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1 adult
Sat 8/23
Sat 8/30