Cheap flights from San Francisco (SFO) to Shannon (SNN) from $495

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — SNN
Jun 10 — Jun 171

The best prices from San Francisco to Shannon are usually found in March or November, booked 48 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from San Francisco to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 5, 2024.

Popular in

December

Cheapest in

March

Average price

$1,193

Round-trip from

$533
High demand for flights, 22% potential price rise
Best time to find cheap flights, 27% potential price drop
Average for round-trip flights in June 2024
From San Francisco to Shannon

What is the cheapest day to fly round-trip from San Francisco to Shannon?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 29% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from San Francisco to Shannon?

To save up to 31% on this flight, we recommend booking at least 49 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Shannon from $750 1-2 weeks out and tickets from $1,365 for flights departing within the next 72 hours.

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

Flights from San Francisco to Shannon lean towards being more expensive in December. Prices are generally better when you fly from San Francisco to Shannon in March, with the cheapest ticket starting at $694.

What is the cheapest time of day to fly from SFO to SNN?

It’s optimal to fly from San Francisco to Shannon in the afternoon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the morning.

Cheap San Francisco to Shannon flights in June & July 2024

Find cheap flight options from San Francisco to Shannon specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 5, 2024.
These are some of the best deals we've found on flights to Shannon in 2024 at this time. For more flight deals, be sure to check back very soon.
Thu 7/1110:43 amSFO - SNN
2 stops21h 27mMultiple Airlines
Wed 7/244:55 pmSNN - SFO
2 stops27h 18mMultiple Airlines
Deal found 6/5$606
Sun 7/286:30 amSFO - SNN
1 stop17h 00mUnited Airlines
Sat 8/1012:30 pmSNN - SFO
2 stops26h 55mUnited Airlines
Deal found 6/4$771
Thu 7/412:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Thu 7/189:30 amSNN - SFO
1 stop14h 04mUnited Airlines
Deal found 6/5$778
Wed 7/310:50 pmSFO - SNN
2 stops24h 40mUnited Airlines
Wed 7/109:30 amSNN - SFO
2 stops16h 11mUnited Airlines
Deal found 6/5$782
Fri 7/1210:53 pmSFO - SNN
1 stop27h 57mKLM
Fri 8/212:50 pmSNN - SFO
1 stop20h 29mKLM
Deal found 6/4$794
Sun 7/281:40 pmSFO - SNN
2 stops18h 30mAmerican Airlines
Sat 8/107:40 amSNN - SFO
2 stops22h 34mAmerican Airlines
Deal found 6/4$833
Fri 7/125:00 amSFO - SNN
2 stops18h 30mUnited Airlines
Fri 8/212:30 pmSNN - SFO
2 stops18h 30mUnited Airlines
Deal found 6/4$834
Sun 7/286:30 amSFO - SNN
1 stop17h 00mUnited Airlines
Sat 8/1012:30 pmSNN - SFO
1 stop15h 16mUnited Airlines
Deal found 6/4$876
Sun 6/99:05 amSFO - SNN
2 stops17h 25mUnited Airlines
Wed 6/199:30 amSNN - SFO
2 stops19h 25mUnited Airlines
Deal found 6/3$888

San Francisco to Shannon 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and Shannon in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.
These are some of the best deals we've found on flights to Shannon in 2024 at this time. For more flight deals, be sure to check back very soon.
Fri 11/812:57 pmSFO - SNN
2 stops18h 48mAmerican Airlines
Thu 11/147:45 amSNN - SFO
2 stops20h 59mAmerican Airlines
Deal found 6/5$504
Mon 8/267:10 amSFO - SNN
1 stop19h 40mKLM
Thu 9/512:50 pmSNN - SFO
1 stop16h 03mKLM
Deal found 6/4$556
Tue 10/11:15 pmSFO - SNN
1 stop13h 15mUnited Airlines
Thu 10/2412:30 pmSNN - SFO
2 stops17h 30mUnited Airlines
Deal found 6/5$560
Sat 9/711:30 pmSFO - SNN
1 stop24h 00mUnited Airlines
Tue 9/2412:30 pmSNN - SFO
1 stop15h 02mUnited Airlines
Deal found 6/4$562
Thu 7/1110:43 amSFO - SNN
2 stops21h 27mMultiple Airlines
Wed 7/244:55 pmSNN - SFO
2 stops27h 18mMultiple Airlines
Deal found 6/5$606
Thu 10/311:10 amSFO - SNN
2 stops15h 20mUnited Airlines
Wed 10/2312:30 pmSNN - SFO
1 stop15h 02mUnited Airlines
Deal found 6/5$618
Fri 11/84:35 pmSFO - SNN
1 stop15h 10mAmerican Airlines
Thu 11/147:45 amSNN - SFO
1 stop14h 30mAmerican Airlines
Deal found 6/5$690
Fri 11/84:35 pmSFO - SNN
1 stop15h 10mBritish Airways
Thu 11/148:05 pmSNN - SFO
2 stops27h 25mBritish Airways
Deal found 6/5$694
Sun 8/412:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Fri 8/169:30 amSNN - SFO
1 stop14h 04mUnited Airlines
Deal found 6/5$720

San Francisco to Shannon flights leaving soon

Find last-minute flight options from San Francisco to Shannon for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.
Have a look at some of the last-minute flights available departing from San Francisco to Shannon. Tip: verify your flight details before completing your reservation.
Sun 6/99:05 amSFO - SNN
2 stops17h 25mUnited Airlines
Wed 6/199:30 amSNN - SFO
2 stops19h 25mUnited Airlines
Deal found 6/3$888
Sun 6/96:45 amSFO - SNN
1 stop16h 45mUnited Airlines
Wed 6/199:30 amSNN - SFO
1 stop19h 46mUnited Airlines
Deal found 6/3$899
Sun 6/99:05 amSFO - SNN
2 stops17h 25mUnited Airlines
Wed 6/199:30 amSNN - SFO
3 stops20h 24mUnited Airlines
Deal found 6/3$951
Sun 6/94:45 pmSFO - SNN
2 stops19h 50mMultiple Airlines
Wed 6/129:25 pmSNN - SFO
2 stops24h 25mMultiple Airlines
Deal found 6/4$1,617
Sun 6/97:00 amSFO - SNN
1 stop19h 30mMultiple Airlines
Wed 6/121:45 pmSNN - SFO
1 stop16h 15mMultiple Airlines
Deal found 6/4$1,700
Sun 6/912:15 pmSFO - SNN
2 stops19h 55mMultiple Airlines
Wed 6/121:45 pmSNN - SFO
1 stop16h 15mMultiple Airlines
Deal found 6/4$1,848
Sun 6/911:35 amSFO - SNN
2 stops25h 00mMultiple Airlines
Wed 6/122:50 pmSNN - SFO
3 stops34h 01mMultiple Airlines
Deal found 6/4$1,892

One-way flights to Shannon from San Francisco

Search for one-way flight options from San Francisco to Shannon. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.
Some of the best available deals we've found on one-way flights from San Francisco to Shannon. For those needing a return trip from San Francisco, there is a search form available above.
Mon 9/306:15 amSFO - SNN
3 stops20h 15mUnited Airlines
Deal found 6/4$495
Fri 6/1410:15 amSFO - SNN
3 stops52h 45mMultiple Airlines
Deal found 6/5$771
Thu 6/131:10 amSFO - SNN
1 stop22h 20mUnited Airlines
Deal found 6/5$873
Tue 6/186:05 pmSFO - SNN
3 stops33h 45mMultiple Airlines
Deal found 6/5$1,712
Mon 6/1711:59 pmSFO - SNN
3 stops32h 11mMultiple Airlines
Deal found 6/5$1,998
Thu 6/206:08 pmSFO - SNN
3 stops57h 12mMultiple Airlines
Deal found 6/5$2,056
Wed 6/195:45 pmSFO - SNN
3 stops38h 25mMultiple Airlines
Deal found 6/5$2,414
Sun 6/167:30 amSFO - SNN
3 stops53h 05mMultiple Airlines
Deal found 6/5$2,517
Mon 6/176:05 pmSFO - SNN
2 stops57h 45mMultiple Airlines
Deal found 6/5$3,219

Find flights from San Francisco to Shannon within your budget

Customize your flight search to find flights from San Francisco to Shannon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$556 - $964

Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 8/26

1 stop19h 40m

Shannon

Thu 9/5

1 stop16h 03m

$556

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sat 9/7

2 stops24h 35m

Shannon

Tue 9/24

1 stop15h 02m

$560

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sat 9/7

1 stop24h 00m

Shannon

Tue 9/24

1 stop15h 02m

$562

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 7/11

2 stops21h 27m

Shannon

Wed 7/24

2 stops27h 18m

$606

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 11/22

2 stops17h 45m

Shannon

Fri 11/29

1 stop14h 30m

$745

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 11/22

2 stops20h 05m

Shannon

Fri 11/29

2 stops23h 45m

$784

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 7/28

2 stops18h 30m

Shannon

Sat 8/10

2 stops22h 34m

$833

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 8/28

1 stop15h 20m

Shannon

Mon 9/9

1 stop20h 25m

$875

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 8/28

1 stop19h 30m

Shannon

Wed 9/11

1 stop16h 47m

$964

Flights are sorted by cheapest first

Deals found on 6/4

How far ahead should I book a flight from San Francisco to Shannon?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Shannon. Price data was last updated on May 31, 2024.
Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Shannon. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Shannon. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Francisco to Shannon flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from San Francisco to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Shannon by month

Plan your trip to Shannon by taking into account the average temperature and rainfall totals by month.

SNN

Temperature

42.8 - 60.8 °F

If weather is an important factor for your trip to Shannon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Shannon. Reviews last updated June 5, 2024.
Read reviews from past customers who have flown KLM, United Airlines and Delta from San Francisco to Shannon. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,368 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

8.0
Very good
10,368 reviews
8.0
Very good
10,368 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.9
Good
1,493 reviews
8.0
Very good
10,368 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.4
Good
10,703 reviews
8.0
Very good
10,368 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.3
Good
14,229 reviews
8.0
Very good
10,368 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.0
Good
7,035 reviews
8.0
Very good
10,368 reviews

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Overall

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from San Francisco to Shannon for under $600 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Shannon for under $600. The cheapest flight booked recently is on KLM for just $556, but on average you can expect to pay $776.

  • Are there last-minute flights available from San Francisco to Shannon for under $900?

    There are currently 7+ open flights from San Francisco to Shannon within the next 7 days for less than $900.

  • What are the cheapest airlines flying from San Francisco to Shannon round-trip?

    Our cheapest airline available from San Francisco to Shannon is KLM. Our recent data shows that you can find tickets from as low as $556 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at $560 and $745 round-trip. KLM is priced at 44% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Francisco to Shannon one-way?

    One-way options have recently been found by users for as low as $495 on United Airlines. Other airlines that offer cheap prices include Lufthansa from $4,597 and Air Canada from $4,694 one-way.

  • What does SFO to SNN mean?

    This is defined as San Francisco Airport (SFO) and Shannon Airport (SNN). Codes like Shannon Airport are often used to just call airports uniquely.

  • Can I find deals for flights from San Francisco to Shannon that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to Shannon flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to Shannon with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to Shannon flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Francisco to Shannon that include hotel bookings?

    Yes. In addition to deals on San Francisco to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Shannon.

  • Can I find deals for business class flights from San Francisco to Shannon?

    Yes. Cheapflights offers flight deals from San Francisco to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Francisco to Shannon that allow pets onboard?

    Many airlines flying from San Francisco to Shannon offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to Shannon?

    Yes, you can often find last-minute deals on San Francisco to Shannon flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Francisco to Shannon flight deals updated?

    The San Francisco to Shannon flight deals you see on this page were last updated on 6/5.

  • What are the most popular airlines that fly from San Francisco to Shannon?

  • What is the cheapest month to book a flight from San Francisco to Shannon?

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Shannon (average of $533). Flying from San Francisco to Shannon in June is currently the most expensive (average of $1,017). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from San Francisco to Shannon

Discover the top 5 airlines that operate flights from San Francisco to Shannon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$632Average$850FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$697Average$1,040FlexibilityNo cancel feeOn-time69%
Aer LingusCheapest$699Average$1,262FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$701Average$984FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$723Average$886FlexibilityNo cancel feeOn-time70%

Search flights from San Francisco to Shannon by cabin class

Find flights from San Francisco to Shannon, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Shannon?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Shannon from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Shannon?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Shannon from San Francisco.

Can Cheapflights find flights from San Francisco to Shannon with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Shannon, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Francisco to Shannon become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Shannon from San Francisco today and book when prices fit your budget.

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