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Cheap flights from Belfast City Airport to San Francisco Bay Area from £603

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SFO
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast City to San Francisco Bay Area

Enter your travel dates to find the best prices.

Cheapest flights from Belfast City to San Francisco Bay Area
Explore the most affordable flight options available from Belfast City to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2025.

Tue 4/1117:55BHD - SFO
2 stops28h 10mAer Lingus
Mon 10/1117:20SFO - BHD
2 stops16h 00mAer Lingus
Deal found 29/10£748
Wed 5/1106:35BHD - SFO
1 stop20h 10mAmerican Airlines
Tue 11/1117:30SFO - BHD
1 stop15h 15mAmerican Airlines
Deal found 29/10£759
Wed 5/1118:00BHD - SFO
2 stops53h 35mAer Lingus
Mon 10/1117:20SFO - BHD
2 stops16h 00mAer Lingus
Deal found 30/10£781
Thu 6/1109:05BHD - SFO
1 stop13h 55mAmerican Airlines
Mon 10/1114:46SFO - BHD
2 stops17h 19mAmerican Airlines
Deal found 29/10£789
Tue 4/1115:05BHD - SFO
1 stop31h 55mFinnair
Mon 10/1120:40SFO - BHD
1 stop15h 35mFinnair
Deal found 29/10£798
Wed 5/1106:35BHD - SFO
1 stop16h 25mBritish Airways
Mon 10/1120:40SFO - BHD
1 stop13h 55mBritish Airways
Deal found 30/10£811
Thu 6/1109:05BHD - SFO
1 stop13h 55mAmerican Airlines
Sun 9/1109:00SFO - BHD
2 stops17h 20mAmerican Airlines
Deal found 29/10£820
Mon 3/1111:30BHD - SFO
1 stop15h 15mAmerican Airlines
Mon 10/1115:30SFO - BHD
2 stops16h 35mAmerican Airlines
Deal found 29/10£839
Mon 3/1111:30BHD - SFO
1 stop15h 15mAmerican Airlines
Sun 9/1112:11SFO - BHD
2 stops17h 04mAmerican Airlines
Deal found 29/10£870
Mon 3/1118:50BHD - SFO
2 stops27h 45mAer Lingus
Mon 10/1117:20SFO - BHD
2 stops16h 00mAer Lingus
Deal found 29/10£872

Cheap flight deals from Belfast City to San Francisco Bay Area

Keep the following information in mind while searching for Belfast City to San Francisco Bay Area flight deals. Data was last updated 31 October 2025.

Round-trip from

£603

Popular in

July

Cheapest in

January

Average price

£760
American Airlines
  • American Airlines
  • 5/3-9/3
  • 3 total stops
  • 34h 46m total
  • Belfast to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast City to San Francisco Bay Area 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 31 October 2025.
Use the filters below to find and compare flights from Belfast City Airport to San Francisco Bay Area that are best for you.

Fly from

Belfast City

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 5/3

09:05-15:00

1 stop13h 55m

San Francisco

Mon 9/3

10:24-14:15

2 stops20h 51m

£603

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 26/3

06:30-12:50

1 stop13h 20m

San Francisco

Mon 30/3

13:45-16:55

1 stop19h 10m

£827

Flights are sorted by cheapest return flights first.

Deals found on 29/10

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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 Bay Area
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated 31 October 2025.
Read reviews from past customers who have flown with British Airways from Belfast City Airport to San Francisco Bay Area. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,487 reviews
Check prices

Crew

7.6

Comfort

6.7

Food

6.3

Entertainment

6.4

Boarding

6.9

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,487 reviews
British Airways
6.7
Okay
7,487 reviews
Check prices

Crew

7.6

Comfort

6.7

Food

6.3

Entertainment

6.4

Boarding

6.9

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

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

  • How long is the flight from Belfast City Airport to San Francisco Bay Area?

    Airlines like American Airlines fly from Belfast City Airport to San Francisco Bay Area in about 13h 55m. The time it takes to get you to your destination can typically vary by up to . The distance between Belfast City Airport and San Francisco Bay Area is about 5038 mi.

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

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

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

    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 Bay Area.

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

    Yes. Cheapflights offers flight deals from Belfast City to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Belfast City to San Francisco Bay Area

Discover the top airline that operate flights from Belfast City to San Francisco Bay Area. 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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£452Average£616FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Belfast City to San Francisco Bay Area flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast City to San Francisco Bay Area for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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

Yes! Start tracking prices for Belfast City to San Francisco Bay Area flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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