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

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.

Can I find flights from San Francisco to Shannon for under $900 on Cheapflights?

Yes, there are multiple flights from San Francisco to Shannon for under $900. The cheapest flight booked recently is on Aer Lingus for just $831, but on average you can expect to pay $1022.

Are there nonstop flights from San Francisco to Shannon for under $800 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 7 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.