The cheapest times to fly from SMF to SNN are

  • January 8th to March 11th (except the week of February 19th)
  • August 13th to December 16th (except the week of October 15th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SMF to SNN is early November. Prices can be as high as $1802 for Monday flights during mid December, or as low as $767 for Wednesday flights around early November.


When to Fly to Shannon

Flying from Sacramento, CA (SMF) to Shannon (SNN) will usually cost between $854 to $1528 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $929. Due to high demand the most expensive time to fly is mid December, with an average price of $1533. Planning your trip to low-cost times can easily save you $604 on economy flights and even more on first-class flights. Generally, any price below $1265 can be considered a good price for a round-trip SMF to SNN flight.

See below for a graph of average weekly prices for the SMF to SNN route. All prices are for round-trip tickets in USD.

SMF to SNN Flight Prices

Compared to other flights, the SMF to SNN flight is slightly more expensive than the average and costs more than the average flight leaving from Sacramento. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Mondays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $131 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1166. Return trip prices are from the SNN to SMF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SMF to SNN can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 53 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SMF to SNN while comparing.

Destination alternative #1: Dublin Airport (DUB) in Dublin

  • 121 miles (195 km) away from SNN
  • Usually 28.42% less expensive than SNN
  • 1-layover flights available

See SMF to DUB flights


Flight Hacking SMF to SNN

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SMF to SNN — but Champion Traveler does!

Hack #1: Los Angeles, CA (SMF > LAX > SNN)

  • Price for both tickets: $812
  • Average savings: $453 (35.81%)

See SMF to LAX flights

Hack #2: Seattle, WA (SMF > SEA > SNN)

  • Price for both tickets: $872
  • Average savings: $394 (31.11%)

See SMF to SEA flights

Hack #3: Boston, MA (SMF > BOS > SNN)

  • Price for both tickets: $902
  • Average savings: $363 (28.7%)

See SMF to BOS flights


Flight Questions Answered

Still have questions about flying from SMF to SNN? We’ve got answers.

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Aer Lingus, Air Canada, Air France, American, British Airways, Delta, JetBlue, KLM, Lufthansa, Singapore Airlines, United, and potentially more during busy seasons.

How far away is it from Shannon Airport to Sacramento International Airport?

The distance between the two airports is roughly 4949 miles or 7965 kilometers.

How long does it take to fly from SMF to SNN?

The real-world flight time for a nonstop SMF to SNN flight is about 9 hour 53 minutes.

How many flights go between Sacramento, CA and Shannon?

It depends on the day of the week and the date, but a typical day might have around 24 available flights from SMF to SNN.


Airport Location Info


Departing Airport

Origination code SMF
Origination airport name Sacramento International Airport
City Sacramento, CA
Country the United States
Latitude 38.7
Longitude -121.6

Return Airport

Destination code SNN
Destination airport name Shannon Airport
City Shannon
Country Ireland
Latitude 52.7
Longitude -8.9


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.