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Cheap flights from Belfast to San Francisco from £387

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 21/6. 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.
BHD — SFO
24 May — 31 May1
1 adult
Fri 24/5
Fri 31/5

Cheap flight deals from Belfast to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) 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 19 May 2024.

Popular in

July

Cheapest in

February

Round-trip from

£416

One-way from

£387
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 18% potential price drop
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From Belfast to San Francisco
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One-way flight from Belfast to San Francisco
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What is the cheapest day to fly round-trip from Belfast to San Francisco?

Users have found that flying from Belfast to San Francisco on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Flights from Belfast to San Francisco lean towards being more expensive in July. Prices are generally better when you fly from Belfast to San Francisco in February, with the cheapest ticket starting at £461.

When is the cheapest time to fly from Belfast to San Francisco (BFS - SFO)?

When flying from Belfast to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap American Airlines flights from Belfast to San Francisco

Explore cheap flight options specifically provided by American Airlines for the route between Belfast 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 835,519 searches. Data last updated 19 May 2024.
Find some of the cheapest American Airlines flights travelling from Belfast to San Francisco. Come back soon if you're not finding the exact deal you're looking for.
Sun 16/617:35BHD - SFO
2 stops38h 43mAmerican Airlines
Sun 23/623:57SFO - BHD
2 stops24h 58mAmerican Airlines
Deal found 19/5£611
Sun 16/617:35BHD - SFO
1 stop27h 40mAmerican Airlines
Sun 23/623:57SFO - BHD
2 stops24h 58mAmerican Airlines
Deal found 19/5£613
Fri 31/506:35BHD - SFO
1 stop14h 40mAmerican Airlines
Fri 7/618:57SFO - BHD
2 stops17h 48mAmerican Airlines
Deal found 17/5£700
Fri 31/510:10BHD - SFO
2 stops20h 57mAmerican Airlines
Fri 7/618:57SFO - BHD
2 stops17h 48mAmerican Airlines
Deal found 17/5£707

Cheap Lufthansa flights from Belfast to San Francisco

Explore cheap flight options specifically provided by Lufthansa for the route between Belfast 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 835,519 searches. Data last updated 19 May 2024.
Some of the best deals we've found on Lufthansa flights travelling from Belfast to San Francisco. Check back soon if you're not seeing flights that suit your needs.
Sun 16/610:15BHD - SFO
1 stop17h 40mLufthansa
Sun 23/619:20SFO - BHD
1 stop35h 30mLufthansa
Deal found 19/5£726
Fri 31/515:35BHD - SFO
1 stop36h 20mLufthansa
Fri 7/613:55SFO - BHD
1 stop35h 30mLufthansa
Deal found 17/5£900

Cheap Belfast to San Francisco flights in May & June 2024

Find cheap flight options from Belfast 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 835,519 searches. Prices were last updated on 19 May 2024.
Check out some of the best flight deals from Belfast to San Francisco in 2024. Check back soon for alternative fares.
Sun 16/617:35BHD - SFO
2 stops38h 43mAmerican Airlines
Sun 23/623:57SFO - BHD
2 stops24h 58mAmerican Airlines
Deal found 19/5£611
Sun 16/617:35BHD - SFO
1 stop27h 40mAmerican Airlines
Sun 23/623:57SFO - BHD
2 stops24h 58mAmerican Airlines
Deal found 19/5£613
Fri 31/506:35BHD - SFO
1 stop14h 40mAmerican Airlines
Fri 7/618:57SFO - BHD
2 stops17h 48mAmerican Airlines
Deal found 17/5£700
Fri 31/510:10BHD - SFO
2 stops20h 57mAmerican Airlines
Fri 7/618:57SFO - BHD
2 stops17h 48mAmerican Airlines
Deal found 17/5£707
Sun 16/615:50BHD - SFO
1 stop29h 25mBritish Airways
Sun 23/615:30SFO - BHD
1 stop15h 05mBritish Airways
Deal found 19/5£723
Sun 16/610:15BHD - SFO
1 stop17h 40mLufthansa
Sun 23/619:20SFO - BHD
1 stop35h 30mLufthansa
Deal found 19/5£726
Sun 16/609:30BFS - SFO
3 stops37h 15mMultiple Airlines
Sun 23/607:00SFO - BFS
3 stops28h 50mMultiple Airlines
Deal found 19/5£766
Sun 16/609:30BFS - SFO
3 stops37h 15mMultiple Airlines
Sun 23/607:30SFO - BFS
2 stops26h 35mMultiple Airlines
Deal found 19/5£845
Fri 31/515:35BHD - SFO
1 stop36h 20mLufthansa
Fri 7/613:55SFO - BHD
1 stop35h 30mLufthansa
Deal found 17/5£900

Belfast to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Belfast and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 835,519 searches. Data last updated 19 May 2024.
Check out some of the best flight deals from Belfast to San Francisco in 2024. Check back soon for alternative fares.
Sun 16/617:35BHD - SFO
2 stops38h 43mAmerican Airlines
Sun 23/623:57SFO - BHD
2 stops24h 58mAmerican Airlines
Deal found 19/5£611
Sun 16/617:35BHD - SFO
1 stop27h 40mAmerican Airlines
Sun 23/623:57SFO - BHD
2 stops24h 58mAmerican Airlines
Deal found 19/5£613
Fri 31/506:35BHD - SFO
1 stop14h 40mAmerican Airlines
Fri 7/618:57SFO - BHD
2 stops17h 48mAmerican Airlines
Deal found 17/5£700
Fri 31/510:10BHD - SFO
2 stops20h 57mAmerican Airlines
Fri 7/618:57SFO - BHD
2 stops17h 48mAmerican Airlines
Deal found 17/5£707
Sun 16/615:50BHD - SFO
1 stop29h 25mBritish Airways
Sun 23/615:30SFO - BHD
1 stop15h 05mBritish Airways
Deal found 19/5£723
Sun 16/610:15BHD - SFO
1 stop17h 40mLufthansa
Sun 23/619:20SFO - BHD
1 stop35h 30mLufthansa
Deal found 19/5£726
Sun 16/609:30BFS - SFO
3 stops37h 15mMultiple Airlines
Sun 23/607:00SFO - BFS
3 stops28h 50mMultiple Airlines
Deal found 19/5£766
Sun 16/609:30BFS - SFO
3 stops37h 15mMultiple Airlines
Sun 23/607:30SFO - BFS
2 stops26h 35mMultiple Airlines
Deal found 19/5£845
Fri 31/515:35BHD - SFO
1 stop36h 20mLufthansa
Fri 7/613:55SFO - BHD
1 stop35h 30mLufthansa
Deal found 17/5£900

Belfast to San Francisco flights leaving soon

Find last-minute flight options from Belfast 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 835,519 searches. Data last updated 19 May 2024.
Book one of these great deals on flights from Belfast to San Francisco. It's wise to confirm all flight details are correct before booking.
Fri 31/510:10BFS - SFO
2 stops33h 10mMultiple Airlines
Fri 7/613:15SFO - BFS
2 stops23h 40mMultiple Airlines
Deal found 17/5£1,007
Fri 31/520:50BFS - SFO
3 stops32h 23mMultiple Airlines
Fri 7/607:00SFO - BFS
3 stops33h 45mMultiple Airlines
Deal found 17/5£1,222
Fri 31/507:05BFS - SFO
2 stops21h 45mMultiple Airlines
Fri 7/607:00SFO - BFS
3 stops33h 45mMultiple Airlines
Deal found 17/5£1,333

One-way flights to San Francisco from Belfast

Search for one-way flight options from Belfast 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 835,519 searches. Data last updated 19 May 2024.
Take a look at some of the one-way flights we've detected from Belfast to San Francisco. Users needing a return flight from Belfast to San Francisco should utilize the search form above.
Fri 21/607:05BFS - SFO
2 stops38h 45mMultiple Airlines
Deal found 19/5£387
Fri 21/614:30BFS - SFO
1 stop31h 20mMultiple Airlines
Deal found 19/5£405
Fri 21/613:10BFS - SFO
3 stops32h 40mMultiple Airlines
Deal found 19/5£432

Find flights from Belfast to San Francisco within your budget

Customise your flight search to find flights from Belfast 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 835,519 searches. Data last updated 19 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£611 - £900

Route

Depart

Return

Price

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 16/6

2 stops38h 43m

San Francisco

Sun 23/6

2 stops24h 58m

£611

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 16/6

1 stop27h 40m

San Francisco

Sun 23/6

2 stops24h 58m

£613

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 31/5

1 stop14h 40m

San Francisco

Fri 7/6

2 stops17h 48m

£700

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 31/5

2 stops20h 57m

San Francisco

Fri 7/6

2 stops17h 48m

£707

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 16/6

1 stop29h 25m

San Francisco

Sun 23/6

1 stop15h 05m

£723

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 16/6

1 stop17h 40m

San Francisco

Sun 23/6

1 stop35h 30m

£726

Belfast IntlSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 16/6

3 stops37h 15m

San Francisco

Sun 23/6

3 stops28h 50m

£766

Belfast IntlSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 16/6

3 stops37h 15m

San Francisco

Sun 23/6

2 stops26h 35m

£845

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 31/5

1 stop36h 20m

San Francisco

Fri 7/6

1 stop35h 30m

£900

Flights are sorted by cheapest first

Deals found on 19/5

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

Use this chart to determine the cheapest time to fly return from Belfast to San Francisco. Price data was last updated on 12 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Belfast to San Francisco flight should consider departing on Friday mornings 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 San Francisco by month

Plan your trip from Belfast to San Francisco by taking into account the cheapest months to travel. The average price of a one-way flight from Belfast to San Francisco is currently £408 while a return flight costs £732. Price data was last updated on 12 May 2024.

Currently, February is the cheapest month in which you can book a flight from Belfast to San Francisco (average of £528). Flying from Belfast to San Francisco in July is currently the most expensive (average of £756). 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

£425

February

£416

March

£446

April

£448

May

£456

June

£552

July

£595

August

£521

September

£465

October

£474

November

£432

December

£450

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

11 - 17 °C

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 19 May 2024.
Peruse reviews from past customers who have flown with American Airlines and Lufthansa from Belfast to San Francisco to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.3
Good
14,472 reviews
Check prices

Food

6.6

Entertainment

7.1

Crew

8.0

Boarding

7.6

Comfort

7.2

Overall

7.3

Reviews

1 / 10

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

American Airlines
7.3
Good
14,472 reviews
American Airlines
7.3
Good
14,472 reviews
Check prices

Food

6.6

Entertainment

7.1

Crew

8.0

Boarding

7.6

Comfort

7.2

Overall

7.3

Reviews

1 / 10

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

Lufthansa
7.0
Good
7,642 reviews
American Airlines
7.3
Good
14,472 reviews
Check prices

Food

6.6

Entertainment

7.1

Crew

8.0

Boarding

7.6

Comfort

7.2

Overall

7.3

Reviews

1 / 10

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

British Airways
6.8
Okay
6,824 reviews
American Airlines
7.3
Good
14,472 reviews
Check prices

Food

6.6

Entertainment

7.1

Crew

8.0

Boarding

7.6

Comfort

7.2

Overall

7.3

Reviews

1 / 10

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

Related info for your journey

Find useful and relevant information for your journey from Belfast to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from Belfast?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from Belfast. Booking flights from Belfast to San Francisco (SFO) should be relatively easy as there are 0 daily inbound flights from Belfast from 2 different airlines.

  • Can I find flights from Belfast to San Francisco for under £700 on Cheapflights?

    Yes, there are multiple flights from Belfast to San Francisco for under £700. The cheapest flight booked recently is on American Airlines for just £611, but on average you can expect to pay £922.

  • Are there last-minute flights available from Belfast to San Francisco for under £1,100?

    There are currently 3+ open flights from Belfast to San Francisco within the next 7 days for less than £1,100.

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

    Flying on American Airlines is currently your cheapest option to San Francisco, with prices starting at £611. Additional return tickets that might be worth considering are offered by British Airways and Lufthansa, with the lowest prices starting at £723 and £726, respectively.

  • What does BFS to SFO mean?

    Great question - BFS to SFO just means Belfast Intl Airport to San Francisco Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY), Glasgow Prestwick Airport (PIK), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).

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

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

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

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

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

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

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

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

    Many airlines flying from Belfast 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 Belfast to San Francisco?

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

    The Belfast to San Francisco flight deals you see on this page were last updated on 19/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Belfast to San Francisco

Discover the top 2 airlines that operate flights from Belfast 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 835,519 searches. Data last updated 19 May 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£412Average£570FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£461Average£648FlexibilityNo cancel feeOn-time76%
Search Finnair flights
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Search flights from Belfast to San Francisco by cabin class

Find flights from Belfast to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Prem Econ Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Belfast to San Francisco?

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 San Francisco from Belfast today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast to San Francisco.

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

Certainly. Search results for flights to San Francisco from Belfast 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 Belfast to San Francisco become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to San Francisco from Belfast today and book when prices fit your budget.

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