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Cheap flights from Belfast City Airport to San Francisco from £533

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SFO
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Belfast City to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Belfast City (BHD) 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 13 June 2025.

Round-trip from

£543

One-way from

£533

Popular in

December

Cheapest in

April

Average price

£650
Finnair
  • Finnair
  • 20/8-5/9
  • 4 total stops
  • 59h 08m total
  • Belfast to San Francisco
Search Deals
20/7
  • 20/7
  • 2 total stops
  • 34h 35m total
  • Belfast to San Francisco
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Belfast City to San Francisco

Cheapest flights from Belfast City to San Francisco
Explore the most affordable flight options available from Belfast City to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Wed 20/806:50BHD - SFO
2 stops19h 20mMultiple Airlines
Fri 5/910:22SFO - BHD
2 stops39h 48mMultiple Airlines
Deal found 12/6£543
Wed 20/806:30BHD - SFO
1 stop13h 15mKLM
Fri 5/913:45SFO - BHD
1 stop23h 30mKLM
Deal found 12/6£545
Wed 2/716:05BHD - SFO
2 stops25h 22mBritish Airways
Wed 9/719:20SFO - BHD
1 stop15h 20mBritish Airways
Deal found 10/6£549
Wed 20/806:30BHD - SFO
2 stops19h 29mDelta
Fri 5/913:45SFO - BHD
1 stop23h 30mDelta
Deal found 12/6£550
Wed 20/816:05BHD - SFO
2 stops34h 07mFinnair
Fri 5/910:22SFO - BHD
2 stops39h 48mFinnair
Deal found 11/6£573

Cheapflights Fare Finder

Customise your flight search to find flights from Belfast City 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 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Belfast City Airport to San Francisco that are best for you.

Fly from

Belfast City

Fly to

San Francisco

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 20/8

06:50-18:10

2 stops19h 20m

San Francisco

Fri 5/9

10:22-10:10

2 stops39h 48m

£543

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 20/8

06:30-11:45

1 stop13h 15m

San Francisco

Fri 5/9

13:45-21:15

1 stop23h 30m

£545

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/7

16:05-09:27

2 stops25h 22m

San Francisco

Wed 9/7

19:20-18:40

1 stop15h 20m

£549

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 20/8

06:30-17:59

2 stops19h 29m

San Francisco

Fri 5/9

13:45-21:15

1 stop23h 30m

£550

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 20/8

16:05-18:12

2 stops34h 07m

San Francisco

Fri 5/9

10:22-10:10

2 stops39h 48m

£573

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 20/7

18:50-21:25

2 stops34h 35m

£533

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 21/7

18:25-20:55

2 stops34h 30m

£723

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 21/7

17:25-11:45

1 stop26h 20m

£1,381

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Best time to book a flight from Belfast City to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Belfast City with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Belfast City Airport to San Francisco

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 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 13 June 2025.
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.6
Okay
7,011 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Belfast City 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 City?

    For a flight from Belfast City to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 0 inbound flights from Belfast City per day. 1 airline has flights to San Francisco from Belfast City on a regular basis.

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

    Currently priced at £545, KLM will fly you from Belfast City Airport to San Francisco and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Delta - these airlines can fly you to your destination from £549 and £550, respectively.

  • Can I find deals for flights from Belfast City to San Francisco that include hotel bookings?

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

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

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

    Yes. Cheapflights offers flight deals from Belfast City 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.

  • What is the cheapest month to book a flight from Belfast City Airport to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Belfast City Airport to San Francisco (average of £538). Flying from Belfast City Airport to San Francisco in July is currently the most expensive (average of £803). 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

Travelling to a place near Belfast City Airport?

Book flights to Belfast City Airport if you plan to visit one of these locations
Santa Cruz
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

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 airline flying from Belfast City to San Francisco

Discover the top airline that operate flights from Belfast City 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 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£438Average£598FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast City to San Francisco flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Belfast City to San Francisco flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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