Which airports can I use when flying from San Francisco to Shannon?

Flights from San Francisco to Shannon usually depart from San Francisco (SFO) and arrive at Shannon (SNN).

Which cabin classes can I book on flights from San Francisco to Shannon?

Only Economy class is available on flights from San Francisco to Shannon.

Which airports do connecting flights from San Francisco to Shannon pass through?

One-stop flights from San Francisco to Shannon most commonly connect through: • New York John F Kennedy Intl (JFK) – 35% of one-stop connections • London Heathrow (LHR) – 24% of one-stop connections • Chicago O'Hare Intl (ORD) – 19% of one-stop connections • Newark (EWR) – 16% of one-stop connections

Can I save money by using flexible dates for flights from San Francisco to Shannon?

Yes. Flexible dates can save you up to 20% on flights from San Francisco to Shannon. Wednesday is the cheapest departure day at €827 return on average, while Friday is the most expensive at €1,022, a difference of €195. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from San Francisco to Shannon?

A direct flight from San Francisco to Shannon takes 00m, covering 13,032 km.

Do I need a passport to fly from San Francisco to Shannon?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How much time can I save by choosing a different stopover airport from San Francisco to Shannon?

Flying via Newark (EWR) gives the shortest average 1-stop total travel time of 14h 36m, compared to 14h 56m via Chicago O'Hare Intl (ORD) and 15h 20m via London Heathrow (LHR).

What is the time difference between San Francisco and Shannon?

Shannon is 7 hours ahead of San Francisco (Irish Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Shannon Airport (SNN)?

Shannon Airport (SNN) hosts 5 major car hire companies, with daily rates starting from around €30 for economy cars. Top options include: • Budget • Sixt • Europcar • Easirent • Thrifty

How much should I expect to pay for a San Francisco to Shannon flight?

Return flights from San Francisco to Shannon range from €786 to €1,073, with an average of €927 over the past 12 months. Anything below €786 counts as a good deal.

How much is a return flight from San Francisco to Shannon?

Return flights from San Francisco to Shannon typically range from €786 to €1,073. The lowest price found in the past 5 days was €662 on United Airlines.

What's the cheapest day of the week to fly from San Francisco to Shannon?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from San Francisco to Shannon. It's 11% cheaper than the average day, while Friday is the most expensive, with prices 10% higher.

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

•January is the cheapest month to fly from San Francisco to Shannon at €482 return. •November (€2,108) and December (€1,588) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 336% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Which airline is the cheapest to fly from San Francisco to Shannon?

United Airlines (€662) and Lufthansa (€813) are the cheapest airlines to fly return from San Francisco to Shannon according to KAYAK data over the last 5 days.

What is the most popular stopover airport when flying from San Francisco to Shannon?

New York John F Kennedy Intl (JFK) is the most popular stopover for the San Francisco to Shannon route. 35% of KAYAK users who booked 1-stop return journeys over the past 3 months connected via JFK.

What is the cheapest stopover airport when flying from San Francisco to Shannon?

Flights via Newark (EWR) offer the most affordable fares, with an average return price of €884. Based on KAYAK data over the past 3 months.

When flying from San Francisco to Shannon, which airport offers the shortest stopover?

Newark (EWR) had the shortest average connection time for San Francisco to Shannon stopovers at 8h 04m over the past 3 months.

€357 CHEAP FLIGHTS from San Francisco to Shannon (SFO - SNN)

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Cheapest return flight

€662

Typical prices: €786-€1,073

United Airlines

Wed 18/4Sun 22/4

SFO - SNN • 2 stops

Direct flights

Not available

There are currently no direct flights between San Francisco and Shannon. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

January

Cheapest • 48% price drop

June

Most popular

Good to know

Top stopover airports

Newark (EWR)

Cheapest • Avg €884 (return)

Chicago O'Hare Intl (ORD)

Shortest trip • 14h 56m (one-way)

Insights

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We hope you enjoy your trip to Shannon!

Flight Deals

Cheap Flights from San Francisco to Shannon (SFO-SNN)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from San Francisco to Shannon

Sun, 18 Apr - Thu, 22 Apr

06:00 - 10:15SFO San Francisco-SNN Shannon

20h 15m1 stop Newark

12:30 - 00:29SNN Shannon-SFO San Francisco

19h 59m2 stops Newark Chicago O'Hare Intl

€662United Airlines

Tue, 13 Apr - Sat, 24 Apr

07:03 - 10:15SFO San Francisco-SNN Shannon

19h 12m3 stops Phoenix Sky Harbor Intl Los Angeles Newark

12:30 - 21:05SNN Shannon-SFO San Francisco

16h 35m2 stops Newark Washington, D.C. Reagan-National

€706United Airlines

Sun, 18 Apr - Thu, 22 Apr

06:00 - 10:15SFO San Francisco-SNN Shannon

20h 15m1 stop Newark

12:30 - 19:29SNN Shannon-SFO San Francisco

14h 59m1 stop Newark

€724United Airlines

Sun, 18 Apr - Thu, 22 Apr

06:00 - 10:15SFO San Francisco-SNN Shannon

20h 15m1 stop Newark

12:30 - 19:29SNN Shannon-SFO San Francisco

14h 59m1 stop Newark

€724United Airlines

Sun, 18 Apr - Thu, 22 Apr

06:00 - 10:15SFO San Francisco-SNN Shannon

20h 15m1 stop Newark

12:30 - 19:29SNN Shannon-SFO San Francisco

14h 59m1 stop Newark

€766United Airlines

Tue, 13 Apr - Sat, 24 Apr

07:00 - 10:15SFO San Francisco-SNN Shannon

19h 15m1 stop Newark

12:30 - 19:29SNN Shannon-SFO San Francisco

14h 59m1 stop Newark

€813Lufthansa

Tue, 13 Apr - Sat, 24 Apr

11:25 - 15:50SFO San Francisco-SNN Shannon

20h 25m3 stops Vancouver Intl Dublin Edinburgh Turnhouse

08:25 - 14:35SNN Shannon-SFO San Francisco

38h 10m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado

€836Multiple Airlines

Wed, 9 Dec - Wed, 16 Dec

07:30 - 05:50SFO San Francisco-SNN Shannon

14h 20m1 stop Boston Logan Intl

14:00 - 23:26SNN Shannon-SFO San Francisco

17h 26m1 stop Boston Logan Intl

€873Multiple Airlines

Mon, 18 Jan - Fri, 5 Feb

17:20 - 19:25SFO San Francisco-SNN Shannon

18h 05m2 stops Dublin London Heathrow

20:05 - 15:35SNN Shannon-SFO San Francisco

27h 30m2 stops London Heathrow Dublin

€877Aer Lingus

Mon, 18 Jan - Fri, 5 Feb

07:30 - 05:50SFO San Francisco-SNN Shannon

14h 20m1 stop Boston Logan Intl

14:00 - 22:28SNN Shannon-SFO San Francisco

16h 28m1 stop Boston Logan Intl

€878Multiple Airlines

Recent last minute flight deals from San Francisco to Shannon

Tue, 3 Nov - Thu, 12 Nov

06:40 - 06:10SFO San Francisco-SNN Shannon

39h 30m2 stops Los Angeles Newark

14:40 - 23:59SNN Shannon-SFO San Francisco

17h 19m1 stop New York John F Kennedy Intl

€5,693Multiple Airlines

Tue, 3 Nov - Thu, 12 Nov

17:25 - 16:45SFO San Francisco-SNN Shannon

15h 20m1 stop London Heathrow

14:00 - 00:25SNN Shannon-SFO San Francisco

18h 25m1 stop Boston Logan Intl

€6,002Multiple Airlines

Tue, 3 Nov - Thu, 12 Nov

17:42 - 05:50SFO San Francisco-SNN Shannon

28h 08m2 stops Seattle/Tacoma Intl Boston Logan Intl

14:40 - 23:59SNN Shannon-SFO San Francisco

17h 19m1 stop New York John F Kennedy Intl

€6,138Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

18:59 - 06:10SFO San Francisco-SNN Shannon

27h 11m2 stops Portland Newark

14:40 - 23:59SNN Shannon-SFO San Francisco

17h 19m1 stop New York John F Kennedy Intl

€6,230Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

17:20 - 19:25SFO San Francisco-SNN Shannon

18h 05m2 stops Dublin London Heathrow

17:30 - 23:40SNN Shannon-SFO San Francisco

38h 10m2 stops London Heathrow Los Angeles

€6,584Aer Lingus

Wed, 4 Nov - Wed, 11 Nov

17:25 - 16:45SFO San Francisco-SNN Shannon

15h 20m1 stop London Heathrow

07:50 - 14:55SNN Shannon-SFO San Francisco

15h 05m1 stop London Heathrow

€6,762Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

17:25 - 16:45SFO San Francisco-SNN Shannon

15h 20m1 stop London Heathrow

07:50 - 14:55SNN Shannon-SFO San Francisco

15h 05m1 stop London Heathrow

€6,866British Airways

Tue, 3 Nov - Thu, 12 Nov

08:25 - 11:30SFO San Francisco-SNN Shannon

19h 05m2 stops Montreal Pierre Elliott Trudeau Intl London Heathrow

07:50 - 21:42SNN Shannon-SFO San Francisco

21h 52m2 stops London Heathrow Vancouver Intl

€7,148Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

08:47 - 19:25SFO San Francisco-SNN Shannon

26h 38m2 stops Chicago O'Hare Intl London Heathrow

07:50 - 19:10SNN Shannon-SFO San Francisco

19h 20m2 stops London Heathrow Los Angeles

€7,785Multiple Airlines

Tue, 3 Nov - Thu, 12 Nov

14:02 - 16:45SFO San Francisco-SNN Shannon

18h 43m2 stops Los Angeles London Heathrow

07:50 - 21:12SNN Shannon-SFO San Francisco

21h 22m2 stops London Heathrow Los Angeles

€7,800Multiple Airlines

Booking Insights

Price, demand, and travel trends for San Francisco to Shannon flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Stopovers

How much is a return flight from San Francisco to Shannon? This analysis is based on the cheapest return price found on KAYAK in the last 12 months by searching for a flight from San Francisco to Shannon departing in April.
What's the cheapest day of the week to fly from San Francisco to Shannon?: Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from San Francisco to Shannon. It's 11% cheaper than the average day, while Friday is the most expensive, with prices 10% higher.
What is the cheapest month to fly from San Francisco to Shannon? KAYAK internal proprietary data takes all prices for each month over the last 12 months for return flights from San Francisco to Shannon, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.: •January is the cheapest month to fly from San Francisco to Shannon at €482 return.
•November (€2,108) and December (€1,588) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 336% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	December
High season	June
Cheapest flight	€662

Beat the crowds with an average 70% drop in travellers.

The most popular month to fly with an average 100% increase in travellers.

Return flight from San Francisco to Shannon

When to book flights from San Francisco to Shannon

Are your dates flexible? Find out the best times to travel from San Francisco to Shannon based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from San Francisco to Shannon?
Only Economy class is available on flights from San Francisco to Shannon.
How long is a flight from San Francisco to Shannon?
A direct flight from San Francisco to Shannon takes 00m, covering 13,032 km.
Do I need a passport to fly from San Francisco to Shannon?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a San Francisco to Shannon flight?
Return flights from San Francisco to Shannon range from €786 to €1,073, with an average of €927 over the past 12 months. Anything below €786 counts as a good deal.
Which car hire options are available at Shannon Airport (SNN)?
Shannon Airport (SNN) hosts 5 major car hire companies, with daily rates starting from around €30 for economy cars. Top options include:

• Budget
• Sixt
• Europcar
• Easirent
• Thrifty
Which airports can I use when flying from San Francisco to Shannon?
Flights from San Francisco to Shannon usually depart from San Francisco (SFO) and arrive at Shannon (SNN).
Which airports do connecting flights from San Francisco to Shannon pass through?
One-stop flights from San Francisco to Shannon most commonly connect through:

• New York John F Kennedy Intl (JFK) – 35% of one-stop connections
• London Heathrow (LHR) – 24% of one-stop connections
• Chicago O'Hare Intl (ORD) – 19% of one-stop connections
• Newark (EWR) – 16% of one-stop connections
Can I save money by using flexible dates for flights from San Francisco to Shannon?
Yes. Flexible dates can save you up to 20% on flights from San Francisco to Shannon. Wednesday is the cheapest departure day at €827 return on average, while Friday is the most expensive at €1,022, a difference of €195.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different stopover airport from San Francisco to Shannon?
Flying via Newark (EWR) gives the shortest average 1-stop total travel time of 14h 36m, compared to 14h 56m via Chicago O'Hare Intl (ORD) and 15h 20m via London Heathrow (LHR).
What is the time difference between San Francisco and Shannon?
Shannon is 7 hours ahead of San Francisco (Irish Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average €827, about €195 less than Friday fares (19% savings) based on the last 12 months.
If you can choose when to travel, plan your San Francisco to Shannon trip for January. Fares historically average €482 return in that month – typically €1,625 less than the most expensive month, which is November (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Shannon Airport.

• Park Inn by Radisson Shannon Airport
• Treacys Oakwood Hotel
• Carrygerry Country House

More options for your flight from San Francisco to Shannon

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Complete your trip to Shannon with a hotel stay or car hire

Car hire in Shannon

Hotels in Shannon

Holidays in Shannon

SFO - SNN

€357 Find Cheap Flights from San Francisco to Shannon – Compare and Save

Everything you should know

Cheap Flights from San Francisco to Shannon (SFO-SNN)

Recent return flight deals from San Francisco to Shannon

Recent one-way flight deals from San Francisco to Shannon

Recent last minute flight deals from San Francisco to Shannon

Price, demand, and travel trends for San Francisco to Shannon flights

How much is a return flight from San Francisco to Shannon?

What's the cheapest day of the week to fly from San Francisco to Shannon?

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

Which airline is the cheapest to fly from San Francisco to Shannon?

What is the most popular stopover airport when flying from San Francisco to Shannon?

What is the cheapest stopover airport when flying from San Francisco to Shannon?

When flying from San Francisco to Shannon, which airport offers the shortest stopover?

Key details for San Francisco to Shannon flights

Low season

High season

Cheapest flight

When to book flights from San Francisco to Shannon

Your San Francisco to Shannon flight questions, answered

Your guide to booking San Francisco to Shannon flights

More options for your flight from San Francisco to Shannon

Complete your trip to Shannon with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from San Francisco to Shannon

Flights from domestic origins to Shannon

Flights to other popular destinations

Find deals for your return flight