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Cheap flights from Belfast to San Francisco from £553

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/6. 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
13 May — 20 May1
1 adult
Mon 13/5
Mon 20/5

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 8 May 2024.

Popular in

May

Cheapest in

February

Average price

£704

Round-trip from

£421
High demand for flights, 17% potential price rise
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Best time to find cheap flights, 18% potential price drop
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Average for round-trip flights in May 2024
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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 May. Prices are generally better when you fly from Belfast to San Francisco in February, with the cheapest ticket starting at £467.

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 881,145 searches. Data last updated 8 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.
Tue 4/609:45BHD - SFO
2 stops22h 18mAmerican Airlines
Tue 11/611:20SFO - BHD
2 stops22h 05mAmerican Airlines
Deal found 7/5£553
Tue 11/613:40BHD - SFO
1 stop31h 35mAmerican Airlines
Sun 16/607:35SFO - BHD
2 stops23h 00mAmerican Airlines
Deal found 8/5£556
Wed 12/609:50BHD - SFO
1 stop15h 35mAmerican Airlines
Sun 23/613:06SFO - BHD
2 stops20h 29mAmerican Airlines
Deal found 8/5£560
Tue 11/616:20BHD - SFO
2 stops25h 21mAmerican Airlines
Sun 16/606:00SFO - BHD
2 stops23h 00mAmerican Airlines
Deal found 8/5£562
Wed 12/606:50BHD - SFO
2 stops21h 15mAmerican Airlines
Sun 23/613:10SFO - BHD
2 stops17h 25mAmerican Airlines
Deal found 8/5£568

Cheap Delta flights from Belfast to San Francisco

Explore cheap flight options specifically provided by Delta 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 881,145 searches. Data last updated 8 May 2024.
Some of the best deals we've found on Delta flights travelling from Belfast to San Francisco. Check back soon if you're not seeing flights that suit your needs.
Thu 23/517:20BHD - SFO
1 stop26h 25mDelta
Tue 28/506:00SFO - BHD
2 stops26h 50mDelta
Deal found 8/5£558
Tue 4/617:20BHD - SFO
1 stop26h 25mDelta
Tue 11/613:30SFO - BHD
2 stops19h 20mDelta
Deal found 7/5£559

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 881,145 searches. Prices were last updated on 8 May 2024.
Check out some of the best flight deals from Belfast to San Francisco in 2024. Check back soon for alternative fares.
Tue 4/609:45BHD - SFO
2 stops22h 18mAmerican Airlines
Tue 11/611:20SFO - BHD
2 stops22h 05mAmerican Airlines
Deal found 7/5£553
Tue 11/613:40BHD - SFO
1 stop31h 35mAmerican Airlines
Sun 16/607:35SFO - BHD
2 stops23h 00mAmerican Airlines
Deal found 8/5£556
Thu 23/517:20BHD - SFO
1 stop26h 25mDelta
Tue 28/506:00SFO - BHD
2 stops26h 50mDelta
Deal found 8/5£558
Tue 4/617:20BHD - SFO
2 stops30h 38mKLM
Tue 11/613:30SFO - BHD
2 stops19h 20mKLM
Deal found 7/5£558
Tue 4/617:20BHD - SFO
1 stop26h 25mDelta
Tue 11/613:30SFO - BHD
2 stops19h 20mDelta
Deal found 7/5£559
Wed 12/609:50BHD - SFO
1 stop15h 35mAmerican Airlines
Sun 23/613:06SFO - BHD
2 stops20h 29mAmerican Airlines
Deal found 8/5£560
Tue 11/616:20BHD - SFO
2 stops25h 21mAmerican Airlines
Sun 16/606:00SFO - BHD
2 stops23h 00mAmerican Airlines
Deal found 8/5£562
Wed 12/606:50BHD - SFO
2 stops21h 15mAmerican Airlines
Sun 23/613:10SFO - BHD
2 stops17h 25mAmerican Airlines
Deal found 8/5£568
Wed 12/606:50BHD - SFO
1 stop14h 25mMultiple Airlines
Sun 23/615:30SFO - BHD
1 stop15h 05mMultiple Airlines
Deal found 8/5£597

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 881,145 searches. Data last updated 8 May 2024.
Check out some of the best flight deals from Belfast to San Francisco in 2024. Check back soon for alternative fares.
Tue 4/609:45BHD - SFO
2 stops22h 18mAmerican Airlines
Tue 11/611:20SFO - BHD
2 stops22h 05mAmerican Airlines
Deal found 7/5£553
Tue 11/613:40BHD - SFO
1 stop31h 35mAmerican Airlines
Sun 16/607:35SFO - BHD
2 stops23h 00mAmerican Airlines
Deal found 8/5£556
Thu 23/517:20BHD - SFO
1 stop26h 25mDelta
Tue 28/506:00SFO - BHD
2 stops26h 50mDelta
Deal found 8/5£558
Tue 4/617:20BHD - SFO
2 stops30h 38mKLM
Tue 11/613:30SFO - BHD
2 stops19h 20mKLM
Deal found 7/5£558
Tue 4/617:20BHD - SFO
1 stop26h 25mDelta
Tue 11/613:30SFO - BHD
2 stops19h 20mDelta
Deal found 7/5£559
Wed 12/609:50BHD - SFO
1 stop15h 35mAmerican Airlines
Sun 23/613:06SFO - BHD
2 stops20h 29mAmerican Airlines
Deal found 8/5£560
Tue 11/616:20BHD - SFO
2 stops25h 21mAmerican Airlines
Sun 16/606:00SFO - BHD
2 stops23h 00mAmerican Airlines
Deal found 8/5£562
Wed 12/606:50BHD - SFO
2 stops21h 15mAmerican Airlines
Sun 23/613:10SFO - BHD
2 stops17h 25mAmerican Airlines
Deal found 8/5£568
Wed 12/606:50BHD - SFO
1 stop14h 25mMultiple Airlines
Sun 23/615:30SFO - BHD
1 stop15h 05mMultiple Airlines
Deal found 8/5£597

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 881,145 searches. Data last updated 8 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£553 - £734

Route

Depart

Return

Price

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 4/6

2 stops22h 18m

San Francisco

Tue 11/6

2 stops22h 05m

£553

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 11/6

1 stop31h 35m

San Francisco

Sun 16/6

2 stops23h 00m

£556

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 23/5

1 stop26h 25m

San Francisco

Tue 28/5

2 stops26h 50m

£558

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 4/6

2 stops30h 38m

San Francisco

Tue 11/6

2 stops19h 20m

£558

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 4/6

1 stop26h 25m

San Francisco

Tue 11/6

2 stops19h 20m

£559

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 12/6

1 stop15h 35m

San Francisco

Sun 23/6

2 stops20h 29m

£560

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 12/6

1 stop14h 25m

San Francisco

Sun 23/6

1 stop15h 05m

£597

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 4/6

1 stop14h 40m

San Francisco

Tue 11/6

1 stop15h 50m

£614

Belfast CitySan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 11/6

1 stop36h 20m

San Francisco

Sun 16/6

1 stop16h 55m

£734

Flights are sorted by cheapest first

Deals found on 7/5

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 5 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 Thursday 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 £0 while a return flight costs £588. Price data was last updated on 5 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 £754). 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

£431

February

£421

March

£451

April

£454

May

£465

June

£560

July

£601

August

£526

September

£473

October

£482

November

£438

December

£455

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 8 May 2024.
Peruse reviews from past customers who have flown with American Airlines and Delta 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.
Delta
8.1
Very Good
10,789 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Delta
8.1
Very Good
10,789 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

KLM
7.9
Good
1,592 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

American Airlines
7.3
Good
14,677 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Lufthansa
7.0
Good
7,691 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

British Airways
6.8
Okay
6,868 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

7.9

Food

7.4

Entertainment

8.0

Boarding

8.2

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

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 £600 on Cheapflights?

    Yes, there are multiple flights from Belfast to San Francisco for under £600. The cheapest flight booked recently is on American Airlines for just £553, but on average you can expect to pay £723.

  • 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 £553. Additional return tickets that might be worth considering are offered by Delta and KLM, with the lowest prices starting at £558 and £558, respectively. American Airlines is currently priced 5% below the average price you’ll pay for this route.

  • 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), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), 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 8/5.

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 881,145 searches. Data last updated 8 May 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£418Average£576FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£467Average£657FlexibilityNo 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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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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