Cheap flights from San Francisco (SFO) to Shannon (SNN) from $556

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. 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 13 — Jun 201

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 8, 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 3,045,324 searches. Prices were last updated on June 8, 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.
Tue 7/239:02 amSFO - SNN
2 stops18h 18mAmerican Airlines
Wed 8/77:40 amSNN - SFO
2 stops19h 22mAmerican Airlines
Deal found 6/5$720
Sun 7/75:15 amSFO - SNN
1 stop18h 15mUnited Airlines
Tue 7/2312:30 pmSNN - SFO
2 stops20h 26mUnited Airlines
Deal found 6/7$726
Mon 7/2212:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Wed 8/79:30 amSNN - SFO
1 stop18h 33mUnited Airlines
Deal found 6/5$735
Tue 7/238:30 amSFO - SNN
1 stop15h 00mUnited Airlines
Wed 8/712:30 pmSNN - SFO
2 stops19h 26mUnited Airlines
Deal found 6/5$739
Sat 7/611:45 pmSFO - SNN
1 stop23h 45mUnited Airlines
Fri 8/29:30 amSNN - SFO
1 stop17h 25mUnited Airlines
Deal found 6/6$741
Sat 7/66:30 pmSFO - SNN
1 stop29h 00mUnited Airlines
Tue 8/69:30 amSNN - SFO
2 stops20h 25mUnited Airlines
Deal found 6/6$745
Sat 7/612:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Sun 7/149:30 amSNN - SFO
1 stop22h 26mUnited Airlines
Deal found 6/7$767
Sun 7/76:30 amSFO - SNN
1 stop17h 00mUnited Airlines
Sun 7/149:30 amSNN - SFO
2 stops21h 30mUnited Airlines
Deal found 6/7$771
Sat 7/611:45 pmSFO - SNN
1 stop23h 45mUnited Airlines
Mon 8/59:30 amSNN - SFO
1 stop19h 44mUnited Airlines
Deal found 6/6$773

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 3,045,324 searches. Data last updated June 8, 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.
Mon 8/267:10 amSFO - SNN
1 stop19h 40mKLM
Thu 9/512:50 pmSNN - SFO
1 stop16h 03mKLM
Deal found 6/6$556
Sat 9/710:55 pmSFO - SNN
2 stops24h 35mUnited Airlines
Tue 9/2412:30 pmSNN - SFO
1 stop15h 02mUnited Airlines
Deal found 6/6$560
Sat 9/711:30 pmSFO - SNN
1 stop24h 00mUnited Airlines
Tue 9/2412:30 pmSNN - SFO
1 stop15h 02mUnited Airlines
Deal found 6/6$562
Wed 9/47:10 amSFO - SNN
1 stop19h 40mKLM
Sun 9/812:50 pmSNN - SFO
1 stop20h 29mKLM
Deal found 6/7$614
Wed 9/47:50 amSFO - SNN
2 stops18h 40mUnited Airlines
Sun 9/89:30 amSNN - SFO
1 stop22h 14mUnited Airlines
Deal found 6/7$618
Thu 9/53:17 pmSFO - SNN
2 stops16h 53mAmerican Airlines
Mon 9/97:40 amSNN - SFO
2 stops19h 23mAmerican Airlines
Deal found 6/7$656
Thu 9/511:30 amSFO - SNN
1 stop15h 20mDelta
Mon 9/912:50 pmSNN - SFO
1 stop18h 00mDelta
Deal found 6/7$671
Thu 9/56:20 amSFO - SNN
1 stop17h 10mUnited Airlines
Mon 9/99:30 amSNN - SFO
2 stops16h 04mUnited Airlines
Deal found 6/7$675
Fri 9/131:15 pmSFO - SNN
1 stop13h 15mUnited Airlines
Sat 9/219:30 amSNN - SFO
1 stop15h 36mUnited Airlines
Deal found 6/6$712

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 3,045,324 searches. Data last updated June 8, 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.
Fri 6/148:35 amSFO - SNN
2 stops17h 55mUnited Airlines
Wed 7/39:30 amSNN - SFO
3 stops20h 30mUnited Airlines
Deal found 6/7$975

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 3,045,324 searches. Data last updated June 8, 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.
Wed 11/64:40 pmSFO - SNN
3 stops34h 50mMultiple Airlines
Deal found 6/8$1,241
Sun 6/1611:35 amSFO - SNN
1 stop15h 15mDelta
Deal found 6/7$1,488
Tue 6/185:46 pmSFO - SNN
3 stops38h 24mMultiple Airlines
Deal found 6/7$2,383
Mon 6/1711:59 pmSFO - SNN
3 stops36h 36mMultiple Airlines
Deal found 6/7$2,400
Sun 6/161:55 pmSFO - SNN
3 stops42h 15mMultiple Airlines
Deal found 6/7$2,745
Thu 6/131:55 pmSFO - SNN
3 stops41h 50mMultiple Airlines
Deal found 6/7$3,016
Tue 6/187:30 amSFO - SNN
2 stops44h 20mMultiple Airlines
Deal found 6/7$3,349
Mon 6/174:30 pmSFO - SNN
2 stops39h 40mMultiple Airlines
Deal found 6/7$3,377
Sat 6/157:30 amSFO - SNN
3 stops48h 40mMultiple Airlines
Deal found 6/7$3,713

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 3,045,324 searches. Data last updated June 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$614 - $1,299

Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 9/4

1 stop19h 40m

Shannon

Sun 9/8

1 stop20h 29m

$614

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 9/4

2 stops18h 40m

Shannon

Sun 9/8

1 stop22h 14m

$618

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 9/5

2 stops16h 53m

Shannon

Mon 9/9

2 stops19h 23m

$656

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 9/5

1 stop15h 20m

Shannon

Mon 9/9

1 stop18h 00m

$671

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 9/5

1 stop17h 10m

Shannon

Mon 9/9

2 stops16h 04m

$675

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 9/13

1 stop13h 15m

Shannon

Sat 9/21

1 stop15h 36m

$712

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 7/3

1 stop21h 05m

Shannon

Sun 8/4

2 stops34h 50m

$991

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 7/3

2 stops27h 55m

Shannon

Fri 8/2

1 stop16h 52m

$1,130

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sun 7/7

3 stops24h 40m

Shannon

Sun 7/14

3 stops33h 56m

$1,299

Flights are sorted by cheapest first

Deals found on 6/7

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 8, 2024.
Read reviews from past customers who have flown KLM, United Airlines and American Airlines 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
10,333 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.6

Entertainment

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
10,333 reviews
8.0
Very good
10,333 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.6

Entertainment

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
1,480 reviews
8.0
Very good
10,333 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.6

Entertainment

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
10,686 reviews
8.0
Very good
10,333 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.6

Entertainment

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
14,204 reviews
8.0
Very good
10,333 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.6

Entertainment

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
7,057 reviews
8.0
Very good
10,333 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.6

Entertainment

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 $700 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Shannon for under $700. The cheapest flight booked recently is on KLM for just $614, but on average you can expect to pay $727.

  • Are there last-minute flights available from San Francisco to Shannon for under $1,000?

    There are currently 1+ open flights from San Francisco to Shannon within the next 7 days for less than $1,000.

  • 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 $614 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $618 and $656 round-trip. KLM is priced at 38% 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 $1,488 on Delta. Other airlines that offer cheap prices include British Airways from $3,857 and KLM from $6,933 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 6/7.

  • 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 3,045,324 searches. Data last updated June 8, 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.
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