SFO - SNN

€278 Find Cheap Flights from San Francisco to Shannon

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Shannon departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Shannon

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Shannon, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Shannon, as well as popular online travel agencies
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41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
€497
Overall average: €670
United Airlines
Fri 1/5Fri 8/5
SFO - SNN • 2 stops
Cheapest one-way flight
€296
United Airlines
Tue 2/6
SFO - SNN • 1 stop
When to book
2 weeks
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
December
Cheapest • 21% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Shannon!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Francisco to Shannon (SFO-SNN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco to Shannon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Francisco to Shannon

Fri, 1 May - Fri, 8 May
United Airlines Logo
23:05 - 10:15
SFO
-
SNN
27h 10m
2 stops
United Airlines Logo
12:30 - 07:10
SNN
-
SFO
26h 40m
2 stops
€497United Airlines
Thu, 30 Apr - Thu, 14 May
United Airlines Logo
07:15 - 10:15
SFO
-
SNN
19h 00m
2 stops
United Airlines Logo
12:30 - 07:35
SNN
-
SFO
27h 05m
2 stops
€510United Airlines
Thu, 30 Apr - Thu, 14 May
United Airlines Logo
07:15 - 10:15
SFO
-
SNN
19h 00m
2 stops
United Airlines Logo
12:30 - 07:35
SNN
-
SFO
27h 05m
2 stops
€511United Airlines
Wed, 29 Apr - Wed, 24 Jun
United Airlines Logo
08:15 - 10:15
SFO
-
SNN
18h 00m
2 stops
United Airlines Logo
09:30 - 18:18
SNN
-
SFO
16h 48m
1 stop
€595United Airlines
Fri, 1 May - Fri, 8 May
United Airlines Logo
07:15 - 10:15
SFO
-
SNN
19h 00m
2 stops
United Airlines Logo
12:30 - 20:36
SNN
-
SFO
16h 06m
1 stop
€603United Airlines
Thu, 30 Apr - Thu, 14 May
United Airlines Logo
07:15 - 10:15
SFO
-
SNN
19h 00m
2 stops
United Airlines Logo
12:30 - 19:30
SNN
-
SFO
15h 00m
1 stop
€608United Airlines
Tue, 9 Jun - Sat, 13 Jun
United Airlines Logo
00:50 - 07:30
SFO
-
SNN
22h 40m
1 stop
United Airlines Logo
09:30 - 00:30
SNN
-
SFO
23h 00m
1 stop
€608United Airlines
Fri, 3 Jul - Fri, 10 Jul
United Airlines Logo
23:15 - 07:30
SFO
-
SNN
24h 15m
2 stops
United Airlines Logo
09:30 - 18:26
SNN
-
SFO
16h 56m
1 stop
€612United Airlines
Tue, 9 Jun - Sat, 13 Jun
United Airlines Logo
00:45 - 07:30
SFO
-
SNN
22h 45m
2 stops
United Airlines Logo
12:30 - 23:03
SNN
-
SFO
18h 33m
2 stops
€613United Airlines
Fri, 3 Jul - Thu, 16 Jul
United Airlines Logo
18:30 - 07:30
SFO
-
SNN
29h 00m
1 stop
United Airlines Logo
09:30 - 18:26
SNN
-
SFO
16h 56m
1 stop
€615United Airlines
Booking Insights

KAYAK's insights & trends for San Francisco to Shannon flights

Get data-powered insights and trends into flights from San Francisco to Shannon to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from San Francisco to Shannon?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Shannon, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Shannon is December, where tickets cost €529 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is €967 and €746 respectively.

How far in advance should I book a flight from San Francisco to Shannon?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Shannon, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Shannon, you should book around 2 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Find deals

Good to know

Low seasonDecember
Cheapest flight€296
Best time to beat the crowds (22% less expensive on average)
Most popular time to fly (43% more expensive on average)
Flight from San Francisco to Shannon

When to book flights from San Francisco to Shannon

Are your dates flexible? Find out the best times to travel from San Francisco to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Francisco to Shannon

  • What is the cheapest flight from San Francisco to Shannon?

    In the last 3 days, the lowest price for a flight from San Francisco to Shannon was €296 for a one-way ticket and €497 for a return.

  • Which aircraft models fly most regularly from San Francisco to Shannon?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from San Francisco to Shannon?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Shannon.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Shannon?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Shannon from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Shannon?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Shannon with an airline and back to San Francisco with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Shannon?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Shannon from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from San Francisco to Shannon

Information on your arrival and departure airports

San Francisco (SFO)
Shannon (SNN)