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Cheap flights from San Francisco (SFO) to Shannon International (SNN)

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The best prices from San Francisco to Shannon International are usually found in February or June, booked 35 days in advance, depart on a Tuesday or Sunday and return on a Thursday

How to find the cheapest flight from
San Francisco (SFO) to Shannon International (SNN)

SFO - SNN
Price
$734 - $1,484

Popular in

December

High demand for flights, 39% potential price rise

Cheapest in

February

Best time to find cheap flights, 19% potential price drop

Average price

$1,013

Average for round-trip flights in November 2020

Round-trip from

$734

From San Francisco to Shannon International

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Francisco to Shannon International?

Travelers have found that booking a Monday departure is the best way to save up to 34% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 65% on flights from San Francisco to Shannon International compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $797. For sooner than that we have options available in the next 3 days from $997.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to Shannon International. Flights to Shannon International from San Francisco in February are about $619 on average during February, but can be found for as low as $415.

When is the cheapest time to fly from San Francisco to Shannon International (SFO - SNN)?

It’s typically best to fly out from San Francisco to Shannon International in the afternoon. Doing so could potentially save you 35% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from San Francisco to Shannon International in November, December 2020

The best prices found for SFO to SNN flights for November, December
28 Dec - 17 Jan
$1,021pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
SNN
Shannon
SNN
Shannon
Multiple Airlines
     
3 STOPS
SFO
San Francisco
28 Dec - 17 Jan
$1,175pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
SNN
Shannon
SNN
Shannon
Multiple Airlines
     
3 STOPS
SFO
San Francisco
28 Dec - 17 Jan
$1,188pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
SNN
Shannon
SNN
Shannon
Multiple Airlines
   
2 STOPS
SFO
San Francisco

San Francisco to Shannon International 2021 flight deals

Cheap flights to Shannon International from San Francisco found for next year
28 Dec - 17 Jan
$1,021pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
SNN
Shannon
SNN
Shannon
Multiple Airlines
     
3 STOPS
SFO
San Francisco
28 Dec - 17 Jan
$1,175pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
SNN
Shannon
SNN
Shannon
Multiple Airlines
     
3 STOPS
SFO
San Francisco
28 Dec - 17 Jan
$1,188pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
SNN
Shannon
SNN
Shannon
Multiple Airlines
   
2 STOPS
SFO
San Francisco

Related info for your journey

Useful info, stats and facts about San Francisco to Shannon International flights.

Flight FAQs

From San Francisco to Shannon International

Are flight prices decreasing from San Francisco to Shannon due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Shannon for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to Shannon to control the spread of COVID-19?

New policies can now be found on Delta to help keep travelers safe while flying. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from San Francisco to Shannon. Policies will vary by airline.

Which airlines flying from San Francisco to Shannon have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, United Airlines, and Delta flying from San Francisco to Shannon have implemented new flexible cancellation policies.

Can I find flights from San Francisco to Shannon International for under $500 on Cheapflights?

Yes, there are multiple flights from San Francisco to Shannon International for under $500. The cheapest flight booked recently is on Multiple Airlines for just $497, but on average you can expect to pay $692.

Are there nonstop flights from San Francisco to Shannon International for under $500 on Cheapflights?

There are no nonstop flights from San Francisco to Shannon International, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in San Francisco or Shannon?

The rainfall in San Francisco is generally more than the rainfall in Shannon. This will continue over the next 11 days.

Is San Francisco weather warmer or cooler than Shannon?

Our data indicates that the weather will be 77 °F on average in the month of September. The temperature in Shannon is typically colder than in San Francisco. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from San Francisco to Shannon International?

For as low as $748, British Airways can have you in Shannon International from San Francisco in 16h 10m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What is the cheapest airline to fly from San Francisco to Shannon International round-trip?

Flying on British Airways is currently your cheapest option to Shannon International, with prices starting at $648. British Airways is 28% cheaper than the average price of flights available within the next 90 days to this destination.

Related searches

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Destination information for Shannon International

Things to know before you go. Useful info for your trip from San Francisco to Shannon International
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Airports servicing San Francisco

Airports servicing Shannon

Top 6 airlines from San Francisco to Shannon International

The chart below displays the airlines Cheapflights users traveling from San Francisco to Shannon International choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Aer Lingus
$135 $459 No change fee N/A
KLM
$407 $972 No change fee 75%
British Airways
$670 $1,008 No cancel fee 70%
American Airlines
$403 $1,057 No cancel fee 71%
Delta
$421 $1,130 No cancel fee N/A
United Airlines
$466 $1,267 No cancel fee 69%
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