Cheap flights from Shannon International to San Francisco

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

SNN - SFO
Price
£346 - £665
SFO
Temperature
15 - 25 °C
SFO
Rainfall
0 - 120 mm

Popular in

July

High demand for flights, 33% potential price rise

Cheapest in

February

Best time to find cheap flights, 23% potential price drop

Average price

£381

Average for round-trip flights in March 2021

Round-trip from

£346

From Shannon International to San Francisco

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Shannon International to San Francisco?

To save up to 41% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Shannon International to San Francisco from £384 1-2 weeks out and tickets from £471 for flights departing within the next 72 hours.

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

February is one of the best times of the year to fly to San Francisco from Shannon International. Prices for February average £350 per person but you can even find prices for as low as £256. The most expensive prices can be found in the month of July. Opting for a February flight can save you 51% on your journey compared to booking in February

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

When flying from Shannon International to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Flight FAQs

From Shannon International to San Francisco

Are flight prices decreasing from Shannon to San Francisco 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 Shannon and San Francisco 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.

How popular is this flight route?

Flights from Shannon to San Francisco have been viewed 25 times in the past calendar month.

Does it rain more in Shannon or San Francisco?

When travelling, we recommend packing in preparation to handle common weather conditions. The rainfall in Shannon is typically greater than that of San Francisco. We can gather that this will continue over the next 26 days.

Is Shannon weather warmer or cooler than San Francisco?

You can imagine temperatures to be in the 25 °C range in September. The weather in San Francisco is generally hotter than Shannon's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

Destination information for San Francisco

Today's exchange rate
£1 = $1.40
Average temperature for March in San Francisco
19.0 °C
Avg rainfall for March in San Francisco
41.0 mm

Airports servicing Shannon

Airports servicing San Francisco

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