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

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The best prices from San Francisco to Shannon are usually found in February or March, booked 54 days in advance, depart on a Thursday or Tuesday and return on a Monday

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

All the information you need to plan the best SFO to SNN flight in 2022: compare San Francisco to Shannon flight prices with the expected peak season, weather and rainfall in Shannon.
SFO - SNN
Price
$687 - $1,059
SNN
Temperature
42.8 - 60.8 °F
SNN
Rainfall
2.3 - 4.1 inches

Popular in

June

High demand for flights, 14% potential price rise

Cheapest in

February

Best time to find cheap flights, 25% potential price drop

Round-trip from

$687

From San Francisco to Shannon

One-way from

$623

One-way flight from San Francisco to Shannon

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?

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 25% on your flight compared to booking on days when demand is much higher.

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

Flights from San Francisco to Shannon lean towards being more expensive in June. Prices are generally better when you fly from San Francisco to Shannon in February, with the cheapest ticket starting at $410.

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

To save up to 71% on this flight, we recommend booking at least 55 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Shannon from $1,031 1-2 weeks out and tickets from $1,401 for flights departing within the next 72 hours.

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

It’s optimal to fly from San Francisco to Shannon in the evening. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the morning.

Cheap flights from San Francisco to Shannon in June, July 2022

The best prices found for SFO to SNN flights for June, July
28 Jul - 11 Aug
$1,018pp
SFO
San Francisco
American Airlines
   
2 STOPS
SNN
Shannon
SNN
Shannon
American Airlines
   
2 STOPS
SFO
San Francisco
4 Jul - 19 Jul
$1,075pp
SFO
San Francisco
American Airlines
   
2 STOPS
SNN
Shannon
SNN
Shannon
American Airlines
   
2 STOPS
SFO
San Francisco
11 Jul - 24 Jul
$1,171pp
SFO
San Francisco
American Airlines
 
1 STOP
SNN
Shannon
SNN
Shannon
American Airlines
   
2 STOPS
SFO
San Francisco

San Francisco to Shannon 2022 flight deals

Cheap flights to Shannon from San Francisco found for this year
24 Oct - 6 Nov
$568pp
SFO
San Francisco
American Airlines
 
1 STOP
SNN
Shannon
SNN
Shannon
American Airlines
   
2 STOPS
SFO
San Francisco
24 Oct - 7 Nov
$571pp
SFO
San Francisco
American Airlines
   
2 STOPS
SNN
Shannon
SNN
Shannon
American Airlines
   
2 STOPS
SFO
San Francisco
24 Oct - 6 Nov
$589pp
SFO
San Francisco
American Airlines
 
1 STOP
SNN
Shannon
SNN
Shannon
American Airlines
 
1 STOP
SFO
San Francisco

Last minute flights from San Francisco to Shannon

Late deals on round-trip flights to Shannon from San Francisco, departing today and this week
30 Jun - 7 Jul
$1,774pp
SFO
San Francisco
American Airlines
   
2 STOPS
SNN
Shannon
SNN
Shannon
American Airlines
   
2 STOPS
SFO
San Francisco
2 Jul - 16 Jul
$1,810pp
SFO
San Francisco
American Airlines
   
2 STOPS
SNN
Shannon
SNN
Shannon
American Airlines
   
2 STOPS
SFO
San Francisco
2 Jul - 16 Jul
$1,847pp
SFO
San Francisco
American Airlines
   
2 STOPS
SNN
Shannon
SNN
Shannon
American Airlines
   
2 STOPS
SFO
San Francisco

One-way flights to Shannon from San Francisco

The cheapest one-way flights from San Francisco to Shannon
7:30 pm - 10:45 am
American Airlines
2 Stops
31h 15m
SFO - SNN
American Airlines
2:00 am - 7:20 am
British Airways
2 Stops
21h 20m
SFO - SNN
British Airways
$822
SnapTravelAir
4:35 am - 6:05 am
United Airlines
1 Stop
17h 30m
SFO - SNN
United Airlines
$837
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Shannon</span> flights.

Flight FAQs

From San Francisco to Shannon

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 United Airlines, Delta, and American Airlines flying from San Francisco to Shannon have implemented new flexible cancellation policies.

Can I find flights from San Francisco to Shannon for under $600 on Cheapflights?

Yes, there are multiple flights from San Francisco to Shannon for under $600. The cheapest flight booked recently is on American Airlines for just $568, but on average you can expect to pay $700.

Are there last-minute flights available from San Francisco to Shannon for under $1,800?

There are currently 13+ open flights from San Francisco to Shannon within the next 7 days for less than $1,800.

What are the cheapest airlines flying from San Francisco to Shannon round-trip?

Our cheapest airline available from San Francisco to Shannon is American Airlines. Our recent data shows that you can find tickets from as low as $568 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $728 and $739 round-trip. American Airlines is priced at 37% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from San Francisco to Shannon one-way?

One-way options have recently been found by users for as low as $595 on British Airways. Other airlines that offer cheap prices include American Airlines from $623 and United Airlines from $632 one-way.

What are the cheapest flights from San Francisco to Shannon?

On average you can expect to pay $3,693 for a flight from San Francisco to Shannon. The cheapest flight overall is $642 while the most popular route, (San Francisco - Shannon) is currently priced at $619.

What are the most popular airlines that fly from San Francisco to Shannon?

The most popular airlines flying from San Francisco to Shannon are American Airlines, British Airways and Delta. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for Shannon, Ireland

Do I need a COVID test to fly to Shannon from San Francisco?

Information is based on travel restrictions from San Francisco to Shannon

Most visitors from San Francisco can enter Shannon without restrictions.

COVID-19 testing requirements
Visitors from San Francisco are not required to present a negative COVID-19 PCR test or antigen result upon entering Shannon.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Shannon.

Do I need a test to fly back to San Francisco from Shannon?

Returning to San Francisco from Shannon

COVID-19 testing requirements
Visitors from Shannon are not required to present a negative COVID-19 PCR test or antigen result upon entering San Francisco.

Quarantine requirements
Visitors from Shannon are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Shannon, Ireland

Alternative routes for San Francisco to Shannon

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Shannon

Things to know before you go - useful duration and weather info for your trip from San Francisco to Shannon.
Today's exchange rate
$1 = €0.95
Average temperature for June in Shannon
64.4 °F
Avg rainfall for June in Shannon
2.8 ″

Airports servicing San Francisco

Airports servicing Shannon

Top 5 airlines flying from San Francisco to Shannon

The chart below displays the airlines Cheapflights users traveling from San Francisco to Shannon 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
Delta
$421 $1,130 No cancel fee N/A
United Airlines
$550 $1,016 No cancel fee 69%
Aer Lingus
$640 $857 No cancel fee N/A
American Airlines
$676 $894 No cancel fee 71%
British Airways
$727 $1,011 No cancel fee 70%
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