Cheap flights from Shannon to San Francisco

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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
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#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
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#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
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#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#removeLegButton($self.id("removeLeg$leg"))
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#smartAirportField( "origin${leg}", $options['origin'], $options['originCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "origin$leg", "origincode$leg" ) #nearbyAirportField("nearbyOriginCheck$leg", $nearbyO, false "$!options['origin']")
To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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Depart
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From
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To
#smartAirportField( "destination${leg}", $options['destination'], $options['destinationCode'], "#string('FROM_TO_INPUT_PLACEHOLDER_FFD')", "destination${leg}", "destinationcode${leg}" ) #nearbyAirportField("nearbyDestinationCheck${leg}", $nearbyD, false, "$!options['destination']")
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#removeLegButton($self.id("removeLeg$leg"))
#infantInLapWarning('multiRightOfTravelers')

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

SNN - SFO
Price
£361 - £694
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

£384

Average for round-trip flights in November 2020

Round-trip from

£361

From Shannon 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 to San Francisco?

Travellers have found it’s best to book a flight 61 days in advance to save up to 41% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Shannon to San Francisco 1-2 weeks in advance for as low as £400, or £491 for flights within the next 24 hours.

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

February can be a great time to fly to San Francisco from Shannon with a flight ticket averaging about £365. Cheapflights users have found deals in the month of February for as cheap as £267. The most expensive prices can be found in the month of July.

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

When flying from Shannon 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

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

Flight FAQs

From Shannon 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.

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

Things to know before you go. Useful info for your trip from Shannon to San Francisco
Today's exchange rate
£1 = $1.34
Average temperature for November in San Francisco
18.0 °C
Avg rainfall for November in San Francisco
44.0 mm

Airports servicing Shannon

Airports servicing San Francisco

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