Cheap flights from San Francisco (SFO) to Shannon (SNN) from $465

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 7/14. 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
May 11 — May 181

The best prices from San Francisco to Shannon are usually found in March or November, booked 89 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 May 6, 2024.

Popular in

December

Cheapest in

March

Round-trip from

$533

One-way from

$465
High demand for flights, 22% potential price rise
Best time to find cheap flights, 28% potential price drop
From San Francisco to Shannon
One-way flight 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 32% 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 1% on this flight, we recommend booking at least 29 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.

When is the cheapest time to fly from San Francisco to Shannon (SFO - SNN)?

It’s optimal to fly from San Francisco to Shannon in the afternoon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.

Cheap Delta flights from San Francisco to Shannon

Explore cheap flight options specifically provided by Delta 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 2,719,943 searches. Data last updated May 6, 2024.
Check out some of the cheapest Delta 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 8/268:30 amSFO - SNN
1 stop18h 20mDelta
Thu 9/512:50 pmSNN - SFO
1 stop20h 27mDelta
Deal found 5/5$700
Thu 9/266:00 amSFO - SNN
1 stop20h 50mDelta
Mon 9/3012:50 pmSNN - SFO
1 stop16h 40mDelta
Deal found 5/5$800
Thu 9/2611:30 amSFO - SNN
1 stop15h 20mDelta
Mon 9/3012:50 pmSNN - SFO
2 stops28h 47mDelta
Deal found 5/5$805
Thu 7/41:35 pmSFO - SNN
1 stop13h 15mDelta
Thu 8/1512:50 pmSNN - SFO
1 stop18h 25mDelta
Deal found 5/4$977
Mon 7/111:30 amSFO - SNN
1 stop15h 20mDelta
Thu 8/1512:50 pmSNN - SFO
2 stops18h 27mDelta
Deal found 5/4$982

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 2,719,943 searches. Data last updated May 6, 2024.
Browse through some of the cheapest KLM flights traveling from San Francisco to Shannon. Deals frequently update to provide users with more options.
Mon 8/268:30 amSFO - SNN
1 stop18h 20mKLM
Thu 9/512:50 pmSNN - SFO
2 stops28h 32mKLM
Deal found 5/5$705
Wed 9/46:00 amSFO - SNN
1 stop20h 50mKLM
Sat 9/2812:50 pmSNN - SFO
1 stop18h 22mKLM
Deal found 5/5$750
Mon 7/226:55 amSFO - SNN
1 stop19h 55mKLM
Sat 8/312:50 pmSNN - SFO
1 stop18h 16mKLM
Deal found 5/5$839
Tue 5/289:30 amSFO - SNN
1 stop17h 20mKLM
Tue 8/612:50 pmSNN - SFO
2 stops28h 32mKLM
Deal found 5/5$922
Mon 7/226:55 amSFO - SNN
1 stop19h 55mKLM
Sat 8/312:50 pmSNN - SFO
2 stops28h 10mKLM
Deal found 5/5$984
Sun 6/309:30 pmSFO - SNN
1 stop29h 20mKLM
Wed 8/1412:50 pmSNN - SFO
2 stops28h 32mKLM
Deal found 5/4$997
Mon 7/228:55 amSFO - SNN
1 stop17h 55mKLM
Sun 8/412:50 pmSNN - SFO
2 stops28h 32mKLM
Deal found 5/5$1,060
Mon 7/226:55 amSFO - SNN
1 stop19h 55mKLM
Sun 8/412:50 pmSNN - SFO
1 stop20h 45mKLM
Deal found 5/5$1,115
Wed 7/39:27 pmSFO - SNN
1 stop29h 23mKLM
Mon 8/1212:50 pmSNN - SFO
2 stops28h 32mKLM
Deal found 5/4$1,147

Cheap San Francisco to Shannon flights in May & June 2024

Find cheap flight options from San Francisco to Shannon specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on May 6, 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.
Wed 5/226:45 amSFO - SNN
2 stops19h 45mUnited Airlines
Wed 5/2912:30 pmSNN - SFO
2 stops19h 34mUnited Airlines
Deal found 5/5$861
Wed 5/221:00 pmSFO - SNN
1 stop34h 30mUnited Airlines
Wed 5/299:30 amSNN - SFO
1 stop21h 30mUnited Airlines
Deal found 5/5$917
Tue 5/289:30 amSFO - SNN
1 stop17h 20mKLM
Tue 8/612:50 pmSNN - SFO
2 stops28h 32mKLM
Deal found 5/5$922
Sat 6/2912:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Mon 8/129:30 amSNN - SFO
1 stop19h 44mUnited Airlines
Deal found 5/4$977
Tue 6/185:20 amSFO - SNN
1 stop18h 10mUnited Airlines
Tue 6/259:30 amSNN - SFO
2 stops19h 25mUnited Airlines
Deal found 5/5$982
Fri 6/2811:45 pmSFO - SNN
1 stop23h 45mUnited Airlines
Fri 8/169:30 amSNN - SFO
1 stop14h 04mUnited Airlines
Deal found 5/4$988
Sun 6/309:30 pmSFO - SNN
1 stop29h 20mKLM
Wed 8/1412:50 pmSNN - SFO
2 stops28h 32mKLM
Deal found 5/4$997
Wed 6/265:20 amSFO - SNN
1 stop18h 10mUnited Airlines
Fri 8/99:30 amSNN - SFO
1 stop14h 04mUnited Airlines
Deal found 5/4$1,020
Sun 6/2310:38 amSFO - SNN
1 stop12h 52mUnited Airlines
Sun 8/119:30 amSNN - SFO
1 stop22h 26mUnited Airlines
Deal found 5/4$1,027

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 2,719,943 searches. Data last updated May 6, 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 8/268:30 amSFO - SNN
1 stop18h 20mDelta
Thu 9/512:50 pmSNN - SFO
1 stop20h 27mDelta
Deal found 5/5$700
Mon 8/268:30 amSFO - SNN
1 stop18h 20mKLM
Thu 9/512:50 pmSNN - SFO
2 stops28h 32mKLM
Deal found 5/5$705
Wed 9/46:00 amSFO - SNN
1 stop20h 50mKLM
Sat 9/2812:50 pmSNN - SFO
1 stop18h 22mKLM
Deal found 5/5$750
Thu 9/266:00 amSFO - SNN
1 stop20h 50mDelta
Mon 9/3012:50 pmSNN - SFO
1 stop16h 40mDelta
Deal found 5/5$800
Thu 9/2611:30 amSFO - SNN
1 stop15h 20mDelta
Mon 9/3012:50 pmSNN - SFO
2 stops28h 47mDelta
Deal found 5/5$805
Mon 7/226:55 amSFO - SNN
1 stop19h 55mKLM
Sat 8/312:50 pmSNN - SFO
1 stop18h 16mKLM
Deal found 5/5$839
Wed 9/45:15 amSFO - SNN
1 stop18h 15mUnited Airlines
Sat 9/2812:30 pmSNN - SFO
2 stops26h 54mUnited Airlines
Deal found 5/5$850
Wed 7/3110:49 amSFO - SNN
2 stops15h 41mUnited Airlines
Sun 8/119:30 amSNN - SFO
1 stop31h 15mUnited Airlines
Deal found 5/5$855
Wed 5/226:45 amSFO - SNN
2 stops19h 45mUnited Airlines
Wed 5/2912:30 pmSNN - SFO
2 stops19h 34mUnited Airlines
Deal found 5/5$861

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 2,719,943 searches. Data last updated May 6, 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 5/107:06 amSFO - SNN
2 stops20h 14mAmerican Airlines
Sun 5/267:40 amSNN - SFO
2 stops23h 27mAmerican Airlines
Deal found 5/5$1,674
Fri 5/101:15 pmSFO - SNN
1 stop13h 15mUnited Airlines
Sun 5/269:30 amSNN - SFO
1 stop15h 46mUnited Airlines
Deal found 5/5$1,677
Fri 5/1010:55 amSFO - SNN
1 stop15h 35mUnited Airlines
Sun 5/269:30 amSNN - SFO
2 stops19h 25mUnited Airlines
Deal found 5/5$1,682

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 2,719,943 searches. Data last updated May 6, 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.
Sun 7/148:10 pmSFO - SNN
2 stops36h 00mMultiple Airlines
Deal found 5/5$465
Sun 7/148:10 pmSFO - SNN
3 stops31h 10mMultiple Airlines
Deal found 5/5$517
Sat 7/1312:58 amSFO - SNN
3 stops31h 12mMultiple Airlines
Deal found 5/5$558
Sun 7/1412:58 amSFO - SNN
3 stops31h 12mMultiple Airlines
Deal found 5/5$582
Sat 7/1312:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Deal found 5/5$640
Mon 7/153:30 pmSFO - SNN
1 stop16h 40mMultiple Airlines
Deal found 5/5$747

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 2,719,943 searches. Data last updated May 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$700 - $1,415

Route

Depart

Return

Price

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 8/26

1 stop18h 20m

Shannon

Thu 9/5

1 stop20h 27m

$700

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 8/26

1 stop18h 20m

Shannon

Thu 9/5

2 stops28h 32m

$705

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 9/4

1 stop20h 50m

Shannon

Sat 9/28

1 stop18h 22m

$750

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 9/4

1 stop18h 15m

Shannon

Sat 9/28

2 stops26h 54m

$850

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Wed 7/31

2 stops19h 01m

Shannon

Sun 8/11

2 stops22h 59m

$947

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Tue 7/2

1 stop17h 15m

Shannon

Sun 8/11

2 stops18h 00m

$1,173

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 7/22

2 stops33h 30m

Shannon

Sat 8/3

2 stops20h 11m

$1,300

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 7/22

2 stops20h 50m

Shannon

Sun 8/4

2 stops35h 06m

$1,306

San FranciscoShannon

SFO - SNN

SFOSNN

San Francisco

Mon 6/24

2 stops27h 55m

Shannon

Wed 8/14

1 stop16h 52m

$1,415

Flights are sorted by cheapest first

Deals found on 5/5

When is the best time to 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 3, 2024.
Booking 87 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

When is the cheapest time 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 April 28, 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 mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Shannon by month

Plan your trip from San Francisco to Shannon by taking into account the cheapest months to travel. The average price of a one-way flight from San Francisco to Shannon is currently $585 while a round-trip flight costs $1,016. Price data was last updated on April 28, 2024.

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 $1,060). 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.

January

$620

February

$533

March

$614

April

$695

May

$838

June

$1,060

July

$1,042

August

$907

September

$815

October

$662

November

$584

December

$649

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 May 6, 2024.
Read reviews from past customers who have flown Delta, KLM 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.
8.1
Very good
10,826 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

8.1
Very good
10,826 reviews
8.1
Very good
10,826 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

7.9
Good
1,603 reviews
8.1
Very good
10,826 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

7.4
Good
11,118 reviews
8.1
Very good
10,826 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

7.3
Good
14,713 reviews
8.1
Very good
10,826 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

Reviews

1 / 10

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

7.2
Good
1,340 reviews
8.1
Very good
10,826 reviews

Entertainment

8.0

Comfort

7.9

Overall

8.1

Food

7.4

Boarding

8.2

Crew

8.6

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 Delta for just $700, but on average you can expect to pay $877.

  • Are there last-minute flights available from San Francisco to Shannon for under $1,700?

    There are currently 3+ open flights from San Francisco to Shannon within the next 7 days for less than $1,700.

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

    Our cheapest airline available from San Francisco to Shannon is Delta. Our recent data shows that you can find tickets from as low as $700 on this airline. Additional options worth looking into are KLM and United Airlines, starting at $705 and $850 round-trip. Delta is priced at 30% lower than the current average price of a flight leaving 3 months from now.

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

  • 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 5/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 2,719,943 searches. Data last updated May 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$614Average$846FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest$721Average$1,199FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest$723Average$886FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest$724Average$981FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$750Average$1,139FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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