>>>>
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap Flights from San Francisco to Shannon starting at S$ 716

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Cheapest time to fly from San Francisco to Shannon

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from San Francisco to Shannon

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Westjet
From S$ 431
American Airlines
From S$ 470
United Airlines
From S$ 614
Frontier Airlines
From S$ 733
Alaska Airlines
From S$ 737
Virgin Atlantic
From S$ 753
British Airways
From S$ 762
IBERIA
From S$ 769
Delta Air Lines
From S$ 778
Lufthansa
From S$ 780
ANA airlines

Find more flights and airlines

Alternative Routes from San Francisco to Shannon

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from San Francisco to Shannon.

  • Cheapest
    Westjet
    SFO
    07:30
    24h 40m
    2 transfer
    SNN
    16:10
    San Francisco International Airport - Shannon Airport
    Wed, May 8Westjet
    S$ 431
  • Westjet
    SFO
    07:30
    24h 40m
    2 transfer
    SNN
    16:10
    San Francisco International Airport - Shannon Airport
    Wed, May 8Westjet
    S$ 431
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from San Francisco (SFO) to Shannon (SNN) the cheapest?

    Airlines adjust prices for flights from San Francisco to Shannon based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from San Francisco (SFO) to Shannon (SNN) cost?

    According to Trip.com's data, the lowest price is around S$ 1,770.
  • What is the transportation method from the main airport to downtown in Shannon?

    • The distance from Shannon Airport to downtown is about 3km, by taxi about 20 minutes.
  • How many airports in Shannon?

    There are 1 airports near Shannon: Shannon Airport.

Find cheapest flight ticket from San Francisco to Shannon

Cheapest direct flight price

S$ 715

Cheapest month

December

Peak season for travel

June