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 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 (SNN)

SFO - SNN
Price
$734 - $1,484
SNN
Temperature
48.2 - 68 °F
SNN
Rainfall
2.5 - 4.7 inches

Popular in

December

High demand for flights, 39% potential price rise

Cheapest in

February

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

Round-trip from

$734

From San Francisco to Shannon

One-way from

$427

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?

Flights from San Francisco to Shannon are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Shannon.

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

October can be a great time to fly to Shannon from San Francisco with a flight ticket averaging about $965. Cheapflights users have found deals in the month of October for as cheap as $665. The most expensive prices can be found in the month of July.

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

It’s typically best to fly out from San Francisco to Shannon 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 in March, April 2021

9 Apr - 17 Apr
$1,384pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
SNN
Shannon
SNN
Shannon
Multiple Airlines
     
3 STOPS
SFO
San Francisco

San Francisco to Shannon 2021 flight deals

13 May - 20 May
$634pp
SFO
San Francisco
Multiple Airlines
     
3 STOPS
SNN
Shannon
SNN
Shannon
Multiple Airlines
     
3 STOPS
SFO
San Francisco
9 Jun - 1 Jul
$704pp
SFO
San Francisco
American Airlines
 
1 STOP
SNN
Shannon
SNN
Shannon
American Airlines
 
1 STOP
SFO
San Francisco
9 Jun - 1 Jul
$707pp
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

6:31 pm - 4:55 am
Multiple Airlines
1 Stop
26h 24m
SFO - SNN
Multiple Airlines
$472
StudentUniverse
12:10 pm - 6:30 am
Multiple Airlines
2 Stops
34h 20m
SFO - SNN
Multiple Airlines
$427
Kiwi.com
6:00 pm - 4:55 am
American Airlines
2 Stops
26h 55m
SFO - SNN
American Airlines

Related info for your journey

Flight FAQs

From San Francisco to Shannon

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 for under $700 on Cheapflights?

Yes, there are multiple flights from San Francisco to Shannon for under $700. The cheapest flight booked recently is on Multiple Airlines for just $634, but on average you can expect to pay $777.

Are there nonstop flights from San Francisco to Shannon for under $600 on Cheapflights?

There are no nonstop flights from San Francisco to Shannon, 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 14 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?

A quick flight from San Francisco to Shannon can take about 13h 53m. American Airlines provides one of the quickest options available for as low as $764.

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

Currently priced at $704, American Airlines will fly you from San Francisco to Shannon and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Air Canada - these airlines can fly you to your destination from $877 and $952, respectively. American Airlines is 22% cheaper than the average price of flights available within the next 90 days to this destination.

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

To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $573.

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Alternative routes for San Francisco to Shannon

Destination information for Shannon

Today's exchange rate
$1 = €0.84
Average temperature for March in Shannon
51.8 °F
Avg rainfall for March in Shannon
3.4 ″

Airports servicing San Francisco

Airports servicing Shannon

Top 6 airlines flying from San Francisco to Shannon

Airline Cheapest Average Flexibility On-time COVID-19 safety
Aer Lingus
$135 $459 No cancel fee N/A
KLM
$407 $972 No cancel 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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