SNN - SFO

$308 Find Cheap Flights from Shannon to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Shannon to San Francisco departing on 6/3. 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 San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Shannon to San Francisco, 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 Shannon to San Francisco, 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 round-trip
$747
Aer Lingus
Tue 4/28Tue 5/5
SNN - SFO • 2 stops
Cheapest one-way
$308
Multiple Airlines
Wed 6/3
SNN - SFO • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Shannon and San Francisco. You'll need at least 1 connection.
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Top layover airports
London (LHR)
Cheapest • Avg $1,309 (round-trip)
Newark (EWR)
Shortest trip • 15h 17m (one-way)
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Francisco!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Shannon to San Francisco 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 round-trip flight deals from Shannon to San Francisco

Tue, Apr 28 - Tue, May 5
Aer Lingus Logo
4:50 pm - 3:55 pm
SNN
-
SFO
31h 05m
2 stops
Aer Lingus Logo
5:40 pm - 8:35 pm
SFO
-
SNN
18h 55m
2 stops
$747Aer Lingus
Thu, Apr 16 - Mon, Apr 20
British Airways Logo
7:30 am - 10:00 pm
SNN
-
SFO
22h 30m
2 stops
British Airways Logo
10:06 am - 11:20 am
SFO
-
SNN
17h 14m
2 stops
$755British Airways
Sat, Apr 25 - Sat, May 2
British Airways Logo
2:30 pm - 2:27 pm
SNN
-
SFO
31h 57m
1 stop
British Airways Logo
3:17 pm - 6:00 am
SFO
-
SNN
30h 43m
1 stop
$760British Airways
Thu, May 7 - Mon, May 11
British Airways Logo
7:30 am - 10:00 pm
SNN
-
SFO
22h 30m
2 stops
British Airways Logo
4:35 pm - 4:10 pm
SFO
-
SNN
15h 35m
1 stop
$767British Airways
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
2:30 pm - 11:59 pm
SNN
-
SFO
17h 29m
1 stop
American Airlines Logo
5:30 am - 5:25 am
SFO
-
SNN
15h 55m
2 stops
$769American Airlines
Tue, Apr 28 - Tue, May 5
British Airways Logo
7:30 am - 10:00 pm
SNN
-
SFO
22h 30m
2 stops
British Airways Logo
1:45 pm - 4:10 pm
SFO
-
SNN
18h 25m
2 stops
$770British Airways
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
2:30 pm - 12:29 am
SNN
-
SFO
17h 59m
1 stop
Multiple Airlines Logo
4:35 pm - 4:10 pm
SFO
-
SNN
15h 35m
1 stop
$772Multiple Airlines
Sat, Apr 25 - Sat, May 2
British Airways Logo
7:30 am - 10:00 pm
SNN
-
SFO
22h 30m
2 stops
British Airways Logo
3:17 pm - 6:00 am
SFO
-
SNN
30h 43m
1 stop
$778British Airways
Fri, May 15 - Tue, May 26
American Airlines Logo
2:30 pm - 11:56 am
SNN
-
SFO
29h 26m
1 stop
American Airlines Logo
9:40 pm - 6:00 am
SFO
-
SNN
24h 20m
1 stop
$779American Airlines
Thu, May 7 - Mon, May 11
American Airlines Logo
1:45 pm - 11:59 pm
SNN
-
SFO
18h 14m
2 stops
American Airlines Logo
5:14 am - 5:25 am
SFO
-
SNN
16h 11m
2 stops
$780American Airlines
Booking Insights

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

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

Which airlines provide the cheapest flights from Shannon to San Francisco?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Shannon to San Francisco were found on Aer Lingus ($747) and British Airways ($755).

Find deals

Good to know

Cheapest flight$308
Flight from Shannon to San Francisco

When to book flights from Shannon to San Francisco

Are your dates flexible? Find out the best times to travel from Shannon to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 Shannon to San Francisco

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

    In the last 3 days, the lowest price for a flight from Shannon to San Francisco was $308 for a one-way ticket and $747 for a round-trip.

  • Do I need a passport to fly between Shannon and San Francisco?

    A passport is required to fly from Shannon to San Francisco.

  • Which airports will I be using when flying from Shannon to San Francisco?

    On your way to San Francisco, you’ll fly out from Shannon. You’ll be landing at San Francisco.

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

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

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

    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 Shannon to San Francisco.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Shannon 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 Shannon to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Shannon with another airline. Booking your flights between Shannon and SFO can sometimes prove cheaper using this method.

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

    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 San Francisco from Shannon 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 Shannon to San Francisco

Information on your arrival and departure airports

Shannon (SNN)
San Francisco (SFO)