Find Cheap Flights from San Francisco to Belfast – Compare and Save

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Everything you should know

Direct flights
Not available
There are currently no direct flights between San Francisco and Belfast. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 36% price drop
May
Most popular
Good to know
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Good to know
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Cheap Flights from San Francisco to Belfast (SFO-BHD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Francisco to Belfast

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SFO  San Francisco Airport-BF1 Bere Ferrers
5037 mimulti-stop
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BF1  Bere Ferrers-SFO San Francisco Airport
5037 mimulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for San Francisco to Belfast flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from San Francisco to Belfast?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from San Francisco to Belfast. It's 28% cheaper than the average day, while Sunday is the most expensive, with prices 70% higher.

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Key details for San Francisco to Belfast flights

Low season

August
Beat the crowds with an average 79% drop in traveller numbers.
The most popular month to fly with an average 60% increase in traveller numbers.

When to book flights from San Francisco to Belfast

Are your dates flexible? Find out the best times to travel from San Francisco to Belfast based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your San Francisco to Belfast flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • How long is a flight from San Francisco to Belfast?

    A direct flight from San Francisco to Belfast takes 00m, covering 5,037 miles.

  • Do I need a passport to fly from San Francisco to Belfast?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a San Francisco to Belfast flight?

    Return flights from San Francisco to Belfast range from £580 to £963, with an average of £721 over the past 12 months. Anything below £580 counts as a good deal.

  • What car hire options are available in Belfast?

    Since Belfast is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near Belfast City Airport (BHD) – daily rates from around £10:

    • Budget
    • Sixt
    • Enterprise Rent-A-Car
    • Avis
    • Hertz

    Near Belfast Intl Airport (BFS) – daily rates from around £8:

    • Budget
    • DRIVALIA
    • Sixt
    • Alamo
    • Hertz

  • Which airports can I use when flying from San Francisco to Belfast?

    Flights from San Francisco to Belfast usually depart from San Francisco (SFO) and may arrive at several airports in Belfast area, including Belfast Intl (BFS) and Belfast City (BHD).

  • Which airports do connecting flights from San Francisco to Belfast pass through?

    Most connecting flights from San Francisco to Belfast pass through London Heathrow (LHR), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from San Francisco to Belfast?

    Yes. Flexible dates can save you up to 58% on flights from San Francisco to Belfast. Wednesday is the cheapest departure day at £524 return on average, while Sunday is the most expensive at £1,229, a difference of £705.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between San Francisco and Belfast?

    Belfast is 7 hours ahead of San Francisco (British Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Belfast?

    Some of the most popular sights in Belfast are Waterfront Hall, SSE Arena, and Grand Opera House. These are among the most viewed places in Belfast on KAYAK.

Your guide to booking San Francisco to Belfast flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average £524, about £705 less than Sunday fares (57% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Francisco to Belfast trip for February. Fares historically average £459 return in that month – typically £698 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Belfast City Airport.

    • Titanic Hotel Belfast
    • Park Avenue
    • Premier Inn Belfast Titanic Quarter

More options for your flight from San Francisco to Belfast

Complete your trip to Belfast with a hotel stay or car hire

Car hire in Belfast
Hotels in Belfast
Holidays in Belfast