Cheap flights from Shannon (SNN) to San Francisco (SFO) from $459

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 8/31. 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.
SNN — SFO
Jun 1 — Jun 81

Cheap flight deals from Shannon to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to San Francisco (SFO). 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 27, 2024.

Popular in

July

Cheapest in

April

Average price

$764

Round-trip from

$268
High demand for flights, 25% potential price rise
Best time to find cheap flights, 19% potential price drop
Average for round-trip flights in May 2024
From Shannon to San Francisco

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

Travelers have found that booking a Tuesday departure is the best way to save up to 20% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, April can be a great choice for travel to San Francisco. Flights to San Francisco from Shannon in April are about $726 on average during April, but can be found for as low as $589.

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

When flying from Shannon to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 16% versus a flight in the morning.

Cheap United Airlines flights from Shannon to San Francisco

Explore cheap flight options specifically provided by United Airlines for the route between Shannon and San Francisco. 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 2,671,228 searches. Data last updated May 27, 2024.
Take a peek at the cheapest United Airlines flights we've detected traveling from Shannon to San Francisco. Come back soon if you're not finding the exact deal you're looking for.
Sun 6/212:30 pmSNN - SFO
2 stops17h 30mUnited Airlines
Sat 6/86:30 amSFO - SNN
2 stops17h 00mUnited Airlines
Deal found 5/26$673
Tue 6/259:30 amSNN - SFO
2 stops20h 30mUnited Airlines
Mon 7/112:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Deal found 5/26$3,571
Tue 6/259:30 amSNN - SFO
1 stop19h 46mUnited Airlines
Mon 7/112:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Deal found 5/26$4,108

Cheap British Airways flights from Shannon to San Francisco

Explore cheap flight options specifically provided by British Airways for the route between Shannon and San Francisco. 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 2,671,228 searches. Data last updated May 27, 2024.
Take a gander at the lowest prices we've found on British Airways flights from Shannon to San Francisco. Check back soon if you're not seeing flights that suit your needs.
Tue 6/257:40 amSNN - SFO
2 stops18h 47mBritish Airways
Tue 7/21:43 pmSFO - SNN
2 stops18h 27mBritish Airways
Deal found 5/26$1,384
Tue 6/254:55 pmSNN - SFO
1 stop28h 20mBritish Airways
Tue 7/21:43 pmSFO - SNN
2 stops18h 27mBritish Airways
Deal found 5/26$3,386
Tue 6/259:25 pmSNN - SFO
1 stop23h 50mBritish Airways
Tue 7/27:20 pmSFO - SNN
1 stop32h 00mBritish Airways
Deal found 5/26$3,839

Cheap Shannon to San Francisco flights in May & June 2024

Find cheap flight options from Shannon to San Francisco specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,671,228 searches. Prices were last updated on May 27, 2024.
Listed are some of the best fares we've found on flights departing from Shannon to San Francisco in 2024. For more flight deals, be sure to check back very soon.
Sun 6/212:30 pmSNN - SFO
2 stops17h 30mUnited Airlines
Sat 6/86:30 amSFO - SNN
2 stops17h 00mUnited Airlines
Deal found 5/26$673
Fri 5/319:30 amSNN - SFO
2 stops16h 12mUnited Airlines
Tue 6/48:25 amSFO - SNN
2 stops18h 05mUnited Airlines
Deal found 5/26$746
Tue 6/257:40 amSNN - SFO
2 stops18h 47mBritish Airways
Tue 7/21:43 pmSFO - SNN
2 stops18h 27mBritish Airways
Deal found 5/26$1,384
Tue 6/259:25 pmSNN - SFO
2 stops28h 14mMultiple Airlines
Tue 7/211:55 amSFO - SNN
2 stops20h 15mMultiple Airlines
Deal found 5/26$2,679
Tue 6/254:55 pmSNN - SFO
1 stop28h 20mBritish Airways
Tue 7/21:43 pmSFO - SNN
2 stops18h 27mBritish Airways
Deal found 5/26$3,386
Tue 6/259:30 amSNN - SFO
2 stops20h 30mUnited Airlines
Mon 7/112:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Deal found 5/26$3,571
Tue 6/259:25 pmSNN - SFO
1 stop23h 50mBritish Airways
Tue 7/27:20 pmSFO - SNN
1 stop32h 00mBritish Airways
Deal found 5/26$3,839
Tue 6/259:30 amSNN - SFO
1 stop19h 46mUnited Airlines
Mon 7/112:12 amSFO - SNN
1 stop23h 18mUnited Airlines
Deal found 5/26$4,108

Shannon to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Shannon and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,671,228 searches. Data last updated May 27, 2024.
Listed are some of the best fares we've found on flights departing from Shannon to San Francisco in 2024. For more flight deals, be sure to check back very soon.
Sun 6/212:30 pmSNN - SFO
2 stops17h 30mUnited Airlines
Sat 6/86:30 amSFO - SNN
2 stops17h 00mUnited Airlines
Deal found 5/26$673
Sat 12/287:45 amSNN - SFO
1 stop14h 30mAmerican Airlines
Tue 1/78:45 pmSFO - SNN
1 stop14h 40mAmerican Airlines
Deal found 5/26$743
Fri 5/319:30 amSNN - SFO
2 stops16h 12mUnited Airlines
Tue 6/48:25 amSFO - SNN
2 stops18h 05mUnited Airlines
Deal found 5/26$746
Sat 12/287:45 amSNN - SFO
2 stops18h 17mAmerican Airlines
Tue 1/79:34 amSFO - SNN
2 stops17h 56mAmerican Airlines
Deal found 5/26$756
Sat 8/1712:30 pmSNN - SFO
1 stop16h 52mLufthansa
Sat 8/247:00 amSFO - SNN
1 stop19h 30mLufthansa
Deal found 5/27$868
Sat 8/1712:50 pmSNN - SFO
2 stops29h 21mKLM
Sat 8/247:10 amSFO - SNN
1 stop19h 40mKLM
Deal found 5/27$890
Tue 6/257:40 amSNN - SFO
2 stops18h 47mBritish Airways
Tue 7/21:43 pmSFO - SNN
2 stops18h 27mBritish Airways
Deal found 5/26$1,384
Tue 6/259:25 pmSNN - SFO
2 stops28h 14mMultiple Airlines
Tue 7/211:55 amSFO - SNN
2 stops20h 15mMultiple Airlines
Deal found 5/26$2,679
Tue 6/254:55 pmSNN - SFO
1 stop28h 20mBritish Airways
Tue 7/21:43 pmSFO - SNN
2 stops18h 27mBritish Airways
Deal found 5/26$3,386

Shannon to San Francisco flights leaving soon

Find last-minute flight options from Shannon to San Francisco 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 2,671,228 searches. Data last updated May 27, 2024.
Check out these flights departing soon from Shannon to San Francisco. To prevent any unwanted surprises, users should verify their flight info before booking.
Sun 6/212:30 pmSNN - SFO
2 stops17h 30mUnited Airlines
Sat 6/86:30 amSFO - SNN
2 stops17h 00mUnited Airlines
Deal found 5/26$673

One-way flights to San Francisco from Shannon

Search for one-way flight options from Shannon to San Francisco. 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 2,671,228 searches. Data last updated May 27, 2024.
Take a look at some of the one-way flights we've detected from Shannon to San Francisco. Users can also find round-trip Shannon to San Francisco flights by using the search form above.
Sat 8/316:45 amSNN - SFO
2 stops36h 08mMultiple Airlines
Deal found 5/25$459
Thu 7/1110:15 pmSNN - SFO
2 stops47h 35mMultiple Airlines
Deal found 5/26$561
Thu 7/1110:15 pmSNN - SFO
3 stops43h 19mMultiple Airlines
Deal found 5/26$597
Thu 7/116:50 pmSNN - SFO
2 stops51h 00mMultiple Airlines
Deal found 5/26$639
Sat 8/319:50 pmSNN - SFO
1 stop23h 25mMultiple Airlines
Deal found 5/25$651
Thu 9/512:50 pmSNN - SFO
1 stop20h 29mKLM
Deal found 5/26$673
Thu 7/117:45 amSNN - SFO
3 stops35h 35mMultiple Airlines
Deal found 5/26$712
Mon 9/304:55 pmSNN - SFO
2 stops29h 10mMultiple Airlines
Deal found 5/26$751
Sat 8/311:45 pmSNN - SFO
3 stops35h 12mMultiple Airlines
Deal found 5/25$911

Find flights from Shannon to San Francisco within your budget

Customize your flight search to find flights from Shannon to San Francisco 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 2,671,228 searches. Data last updated May 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$868 - $4,108

Route

Depart

Return

Price

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Sat 8/17

1 stop16h 52m

San Francisco

Sat 8/24

1 stop19h 30m

$868

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Sat 8/17

2 stops29h 21m

San Francisco

Sat 8/24

1 stop19h 40m

$890

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Tue 6/25

2 stops18h 47m

San Francisco

Tue 7/2

2 stops18h 27m

$1,384

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Tue 6/25

2 stops28h 14m

San Francisco

Tue 7/2

2 stops20h 15m

$2,679

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Tue 6/25

1 stop28h 20m

San Francisco

Tue 7/2

2 stops18h 27m

$3,386

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Tue 6/25

2 stops20h 30m

San Francisco

Mon 7/1

1 stop23h 18m

$3,571

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Tue 6/25

1 stop23h 50m

San Francisco

Tue 7/2

1 stop32h 00m

$3,839

ShannonSan Francisco

SNN - SFO

SNNSFO

Shannon

Tue 6/25

1 stop19h 46m

San Francisco

Mon 7/1

1 stop23h 18m

$4,108

Flights are sorted by cheapest first

Deals found on 5/27

When is the cheapest time to fly from Shannon to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Shannon to San Francisco. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Shannon to San Francisco flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday mornings 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 Shannon to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Shannon 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 San Francisco by month

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

SFO

Temperature

51.8 - 62.6 °F

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated May 27, 2024.
Peruse reviews from past customers who have flown with United Airlines and British Airways from Shannon to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.9
Good
1,536 reviews

Boarding

7.9

Entertainment

7.2

Overall

7.9

Crew

8.4

Food

7.4

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.9
Good
1,536 reviews
7.9
Good
1,536 reviews

Boarding

7.9

Entertainment

7.2

Overall

7.9

Crew

8.4

Food

7.4

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.4
Good
10,810 reviews
7.9
Good
1,536 reviews

Boarding

7.9

Entertainment

7.2

Overall

7.9

Crew

8.4

Food

7.4

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.0
Good
7,603 reviews
7.9
Good
1,536 reviews

Boarding

7.9

Entertainment

7.2

Overall

7.9

Crew

8.4

Food

7.4

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

6.8
Okay
6,770 reviews
7.9
Good
1,536 reviews

Boarding

7.9

Entertainment

7.2

Overall

7.9

Crew

8.4

Food

7.4

Comfort

7.7

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Shannon to San Francisco. 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 Shannon to San Francisco for under $900 on Cheapflights?

    Yes, there are multiple flights from Shannon to San Francisco for under $900. The cheapest flight booked recently is on Lufthansa for just $868, but on average you can expect to pay $2,590.

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

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

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

    Currently priced at $868, Lufthansa will fly you from Shannon to San Francisco and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and British Airways - these airlines can fly you to your destination from $890 and $1,384, respectively.

  • What does SNN to SFO mean?

    SNN stands for Shannon Airport, while SFO stands for San Francisco Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

    The amount of baggage you can bring on your Shannon to San Francisco 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 Shannon to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Shannon to San Francisco 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 Shannon to San Francisco that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Shannon to San Francisco 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 Shannon to San Francisco that allow pets onboard?

    Many airlines flying from Shannon to San Francisco 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 Shannon to San Francisco?

    Yes, you can often find last-minute deals on Shannon to San Francisco 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 Shannon to San Francisco flight deals updated?

    The Shannon to San Francisco flight deals you see on this page were last updated on 5/27.

  • When is the best time to book a flight from Shannon to San Francisco?

    Currently, September is the cheapest month in which you can book a flight from Shannon to San Francisco (average of $268). Flying from Shannon to San Francisco in June is currently the most expensive (average of $383). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Shannon to San Francisco

Discover the top airline that operate flights from Shannon to San Francisco. 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 2,671,228 searches. Data last updated May 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$721Average$1,007FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Shannon to San Francisco by cabin class

Find flights from Shannon to San Francisco, 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 Shannon to San Francisco?

Cheapflights makes it easy to find Shannon to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Shannon to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to San Francisco from Shannon shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Shannon to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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