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Cheap flights from San Francisco (SFO) to Shannon (SNN) from $328

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 9/26. 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 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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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 2, 2024.

Popular in

December

Cheapest in

March

Average price

$1,193

Round-trip from

$533
High demand for flights, 22% potential price rise
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Best time to find cheap flights, 27% potential price drop
Search Deals
Average for round-trip flights in June 2024
Search Deals
From San Francisco to Shannon
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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 31% 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 15% on the cost of your flight, compared to a flight in the morning.

Cheap KLM flights from San Francisco to Shannon

Explore cheap flight options specifically provided by KLM for the route between San Francisco and Shannon. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Check out some of the cheapest KLM flights we've come across from San Francisco to Shannon. Come back soon if you're not finding the exact deal you're looking for.
Mon 8/2611:30 amSFO - SNN
1 stop15h 20mKLM
Thu 9/512:50 pmSNN - SFO
1 stop18h 23mKLM
Deal found 6/1$555
Mon 8/2611:30 amSFO - SNN
1 stop15h 20mKLM
Thu 9/512:50 pmSNN - SFO
2 stops28h 15mKLM
Deal found 6/1$560
Thu 8/89:15 amSFO - SNN
1 stop17h 35mKLM
Thu 8/2212:50 pmSNN - SFO
2 stops28h 15mKLM
Deal found 6/1$610
Tue 7/27:05 amSFO - SNN
1 stop19h 45mKLM
Tue 8/1312:50 pmSNN - SFO
2 stops28h 15mKLM
Deal found 5/31$992

Cheap American Airlines flights from San Francisco to Shannon

Explore cheap flight options specifically provided by American Airlines for the route between San Francisco and Shannon. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Browse through some of the cheapest American Airlines flights traveling from San Francisco to Shannon. Deals frequently update to provide users with more options.
Mon 8/267:55 amSFO - SNN
2 stops19h 25mAmerican Airlines
Thu 9/57:40 amSNN - SFO
2 stops21h 04mAmerican Airlines
Deal found 6/1$556
Wed 7/31:08 pmSFO - SNN
2 stops19h 02mAmerican Airlines
Mon 8/127:40 amSNN - SFO
2 stops20h 15mAmerican Airlines
Deal found 5/31$831
Tue 7/27:35 amSFO - SNN
2 stops19h 45mAmerican Airlines
Sun 8/117:40 amSNN - SFO
2 stops19h 22mAmerican Airlines
Deal found 5/31$881
Sun 6/3010:12 pmSFO - SNN
1 stop23h 53mAmerican Airlines
Sat 8/102:50 pmSNN - SFO
1 stop17h 17mAmerican Airlines
Deal found 5/31$966
Tue 7/29:00 amSFO - SNN
2 stops18h 20mAmerican Airlines
Sun 8/112:50 pmSNN - SFO
1 stop17h 19mAmerican Airlines
Deal found 5/31$1,009
Fri 8/96:20 amSFO - SNN
1 stop15h 45mAmerican Airlines
Tue 8/132:50 pmSNN - SFO
1 stop17h 19mAmerican Airlines
Deal found 6/2$1,019
Fri 8/306:00 amSFO - SNN
2 stops15h 35mAmerican Airlines
Sun 9/81:45 pmSNN - SFO
2 stops16h 51mAmerican Airlines
Deal found 6/1$1,021

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 2,810,401 searches. Prices were last updated on June 2, 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.
Sun 6/308:30 amSFO - SNN
1 stop15h 00mUnited Airlines
Thu 8/159:30 amSNN - SFO
1 stop14h 04mUnited Airlines
Deal found 5/31$883
Sun 6/3012:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Mon 7/229:30 amSNN - SFO
1 stop22h 26mUnited Airlines
Deal found 6/1$930
Sun 6/3012:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Mon 7/229:30 amSNN - SFO
2 stops20h 30mUnited Airlines
Deal found 6/1$935
Sun 6/210:35 pmSFO - SNN
2 stops24h 55mUnited Airlines
Sat 7/69:30 amSNN - SFO
2 stops29h 27mUnited Airlines
Deal found 6/1$938
Sat 6/296:30 pmSFO - SNN
1 stop29h 00mUnited Airlines
Sat 7/1312:30 pmSNN - SFO
2 stops28h 15mUnited Airlines
Deal found 6/1$949
Sun 6/3010:12 pmSFO - SNN
1 stop23h 53mAmerican Airlines
Sat 8/102:50 pmSNN - SFO
1 stop17h 17mAmerican Airlines
Deal found 5/31$966
Sat 6/296:00 amSFO - SNN
2 stops17h 30mUnited Airlines
Sat 7/69:30 amSNN - SFO
2 stops29h 55mUnited Airlines
Deal found 6/1$982
Fri 6/2812:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Sat 7/1312:30 pmSNN - SFO
2 stops28h 15mUnited Airlines
Deal found 6/1$985
Wed 6/265:00 amSFO - SNN
2 stops18h 30mUnited Airlines
Sat 7/69:30 amSNN - SFO
2 stops29h 27mUnited Airlines
Deal found 6/1$1,001

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 2,810,401 searches. Data last updated June 2, 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 8/2611:30 amSFO - SNN
1 stop15h 20mKLM
Thu 9/512:50 pmSNN - SFO
1 stop18h 23mKLM
Deal found 6/1$555
Mon 8/267:55 amSFO - SNN
2 stops19h 25mAmerican Airlines
Thu 9/57:40 amSNN - SFO
2 stops21h 04mAmerican Airlines
Deal found 6/1$556
Mon 8/2611:30 amSFO - SNN
1 stop15h 20mKLM
Thu 9/512:50 pmSNN - SFO
2 stops28h 15mKLM
Deal found 6/1$560
Wed 8/712:15 amSFO - SNN
1 stop23h 15mUnited Airlines
Thu 8/229:30 amSNN - SFO
1 stop15h 36mUnited Airlines
Deal found 6/1$605
Thu 8/89:15 amSFO - SNN
1 stop17h 35mKLM
Thu 8/2212:50 pmSNN - SFO
2 stops28h 15mKLM
Deal found 6/1$610
Sat 10/261:35 pmSFO - SNN
2 stops22h 50mAmerican Airlines
Sun 11/32:00 pmSNN - SFO
1 stop18h 44mAmerican Airlines
Deal found 6/1$696
Sat 10/2610:43 amSFO - SNN
1 stop36h 17mAmerican Airlines
Sun 11/32:00 pmSNN - SFO
1 stop18h 44mAmerican Airlines
Deal found 6/1$712
Fri 8/165:15 amSFO - SNN
1 stop18h 15mUnited Airlines
Fri 8/239:30 amSNN - SFO
1 stop15h 36mUnited Airlines
Deal found 6/1$723
Sat 7/611:45 pmSFO - SNN
1 stop23h 45mUnited Airlines
Fri 8/99:30 amSNN - SFO
1 stop17h 25mUnited Airlines
Deal found 5/31$726

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 2,810,401 searches. Data last updated June 2, 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.
Thu 9/262:41 pmSFO - SNN
2 stops42h 34mMultiple Airlines
Deal found 6/2$328
Wed 6/262:42 pmSFO - SNN
3 stops59h 13mMultiple Airlines
Deal found 6/1$366
Thu 9/268:32 amSFO - SNN
3 stops26h 33mMultiple Airlines
Deal found 6/2$409
Wed 6/262:42 pmSFO - SNN
2 stops59h 13mMultiple Airlines
Deal found 6/1$414
Wed 6/262:42 pmSFO - SNN
2 stops48h 33mMultiple Airlines
Deal found 6/1$433
Sun 7/148:10 pmSFO - SNN
3 stops27h 25mMultiple Airlines
Deal found 5/31$441
Sat 7/1312:43 amSFO - SNN
2 stops22h 47mUnited Airlines
Deal found 5/31$495
Thu 9/263:30 pmSFO - SNN
1 stop19h 35mMultiple Airlines
Deal found 6/2$542
Wed 9/2512:35 amSFO - SNN
2 stops25h 55mUnited Airlines
Deal found 6/2$601

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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$555 - $1,338

Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 8/26

1 stop15h 20m

Shannon

Thu 9/5

1 stop18h 23m

$555

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 8/26

2 stops19h 25m

Shannon

Thu 9/5

2 stops21h 04m

$556

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 8/26

1 stop15h 20m

Shannon

Thu 9/5

2 stops28h 15m

$560

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 8/7

1 stop23h 15m

Shannon

Thu 8/22

1 stop15h 36m

$605

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Thu 8/8

1 stop17h 35m

Shannon

Thu 8/22

2 stops28h 15m

$610

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Sat 7/6

1 stop28h 00m

Shannon

Thu 8/15

2 stops18h 59m

$745

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 7/2

2 stops18h 20m

Shannon

Wed 8/14

1 stop28h 20m

$1,023

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 7/5

2 stops28h 45m

Shannon

Thu 8/15

2 stops33h 25m

$1,184

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Fri 7/5

2 stops33h 10m

Shannon

Wed 8/14

2 stops28h 14m

$1,338

Flights are sorted by cheapest first

Deals found on 6/1

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 May 26, 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

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 2, 2024.
Read reviews from past customers who have flown KLM, American Airlines and United 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.
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
10,410 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

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

KLM
7.9
Good
1,507 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
10,755 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

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

American Airlines
7.3
Good
14,260 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

Reviews

1 / 10

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

Air Canada
7.0
Good
7,021 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Comfort

7.9

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.0

Entertainment

8.0

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 $555, but on average you can expect to pay $729.

  • 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 $555 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $556 and $605 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 $603 and Delta from $1,590 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 6/1.

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

    The most popular airlines flying from San Francisco to Shannon are American Airlines, British Airways and Delta. Something to consider prior to booking your flight.

  • 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 $1,023). 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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Alternative routes for San Francisco to Shannon
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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 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$631Average$850FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest$699Average$1,262FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapest$705Average$994FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest$723Average$886FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest$748Average$1,115FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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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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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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