SFO - SNN

€335 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 13/5. 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.
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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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Cheap Flight Deals 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.

Recent return flight deals from San Francisco to Shannon

KAYAK's recommended return flight deals from the most popular airlines that fly from San Francisco to Shannon.
Discover the best prices for you by selecting your travel dates on KAYAK.
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06:10 - 07:30SFO-SNN
17h 20m1 stop
12:30 - 19:04SNN-SFO
14h 34m1 stop
€669United Airlines
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Tue, 29 Jul - Wed, 27 Aug
10:35 - 07:30SFO-SNN
12h 55m1 stop
12:30 - 23:00SNN-SFO
18h 30m2 stops
€674United Airlines
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Tue, 29 Jul - Wed, 27 Aug
11:30 - 11:10SFO-SNN
15h 40m1 stop
13:05 - 23:20SNN-SFO
18h 15m1 stop
€677Air France
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Tue, 19 Aug - Wed, 3 Sep
11:30 - 11:10SFO-SNN
15h 40m1 stop
13:05 - 12:29SNN-SFO
31h 24m2 stops
€688Air France
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Tue, 19 Aug - Wed, 3 Sep
17:49 - 20:35SFO-SNN
18h 46m2 stops
07:40 - 20:10SNN-SFO
20h 30m2 stops
€694American Airlines
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Thu, 8 May - Thu, 15 May
14:50 - 16:10SFO-SNN
17h 20m2 stops
07:40 - 21:00SNN-SFO
21h 20m2 stops
€696American Airlines
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Tue, 6 May - Sat, 17 May
21:00 - 11:10SFO-SNN
30h 10m1 stop
13:05 - 01:25SNN-SFO
20h 20m1 stop
€747Delta
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Thu, 17 Jul - Fri, 25 Jul
16:05 - 20:35SFO-SNN
20h 30m1 stop
21:15 - 14:15SNN-SFO
25h 00m1 stop
€812
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Thu, 8 May - Thu, 15 May
11:15 - 20:35SFO-SNN
25h 20m2 stops
07:40 - 19:30SNN-SFO
19h 50m1 stop
€817
Find Deal
Thu, 8 May - Thu, 15 May
22:50 - 11:10SFO-SNN
28h 20m1 stop
13:05 - 23:52SNN-SFO
18h 47m1 stop
€976Delta
Find Deal
Sat, 21 Jun - Sat, 5 Jul

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 October, where tickets cost €651 (return) on average. On the other hand, the most expensive months are June and November, where the average cost of round-trip tickets is €1,133 and €1,076 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 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Good to know

Low season

January

High season

July

Cheapest flight

€335
Best time to beat the crowds (23% less expensive on average)
Most popular time to fly (4% 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 €362 for a one-way ticket and €724 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.

  • Which airline alliances offer flights from San Francisco to Shannon?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between San Francisco and Shannon, with SkyTeam being the most commonly used for this 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.

See more FAQs

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

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