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Cheap flights from San Francisco Bay Area to Belfast from £495

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BHD
18 Jun — 25 Jun1
1 adult

Cheap flight deals from San Francisco Bay Area to Belfast

Keep the following information in mind while searching for San Francisco Bay Area to Belfast flight deals. Data was last updated 13 June 2025.

Round-trip from

£495

Popular in

January

Cheapest in

October

Average price

£846
American Airlines
  • American Airlines
  • 16/9-30/9
  • 2 total stops
  • 44h 10m total
  • San Francisco Bay Area to Belfast
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£75 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 June 2025
Search Deals

Find flight deals from San Francisco Bay Area to Belfast

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

Tue 16/916:35SFO - BHD
1 stop14h 45mAmerican Airlines
Tue 30/916:25BHD - SFO
1 stop29h 25mAmerican Airlines
Deal found 11/6£495
Tue 16/908:58SFO - BHD
2 stops17h 37mBritish Airways
Tue 30/909:35BHD - SFO
2 stops21h 58mBritish Airways
Deal found 11/6£528
Mon 13/1019:20SFO - BHD
1 stop14h 10mMultiple Airlines
Thu 16/1006:45BHD - SFO
2 stops17h 45mMultiple Airlines
Deal found 11/6£765
Mon 23/606:00SJC - BFS
3 stops29h 10mMultiple Airlines
Thu 26/621:10BFS - SJC
3 stops44h 56mMultiple Airlines
Deal found 11/6£1,048
Fri 1/813:02SJC - BHD
2 stops18h 28mBritish Airways
Sun 17/811:00BHD - SJC
2 stops19h 25mBritish Airways
Deal found 12/6£1,384
Fri 1/814:38OAK - BHD
2 stops22h 07mBritish Airways
Sun 17/818:05BHD - OAK
2 stops32h 28mBritish Airways
Deal found 12/6£1,527
Tue 7/1013:45SFO - BHD
1 stop19h 10mKLM
Fri 24/1017:25BHD - SFO
1 stop26h 20mKLM
Deal found 12/6£3,349
Tue 7/1014:37SFO - BHD
2 stops18h 53mIberia
Fri 24/1006:35BHD - SFO
1 stop15h 15mIberia
Deal found 12/6£3,429

Cheapflights Fare Finder

Customise your flight search to find flights from San Francisco Bay Area to Belfast 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 San Francisco Bay Area to Belfast that are best for you.

Fly from

San Francisco Bay Area

Fly to

Belfast

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 16/9

16:35-15:20

1 stop14h 45m

Belfast City

Tue 30/9

16:25-13:50

1 stop29h 25m

£495

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 16/9

08:58-10:35

2 stops17h 37m

Belfast City

Tue 30/9

09:35-23:33

2 stops21h 58m

£528

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 13/10

19:20-17:30

1 stop14h 10m

Belfast City

Thu 16/10

06:45-16:30

2 stops17h 45m

£765

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Mon 23/6

06:00-19:10

3 stops29h 10m

Belfast Intl

Thu 26/6

21:10-10:06

3 stops44h 56m

£1,048

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Fri 1/8

13:02-15:30

2 stops18h 28m

Belfast City

Sun 17/8

11:00-22:25

2 stops19h 25m

£1,384

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

Fri 1/8

14:38-20:45

2 stops22h 07m

Belfast City

Sun 17/8

18:05-18:33

2 stops32h 28m

£1,527

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 7/10

13:45-16:55

1 stop19h 10m

Belfast City

Fri 24/10

17:25-11:45

1 stop26h 20m

£3,349

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 7/10

14:37-17:30

2 stops18h 53m

Belfast City

Fri 24/10

06:35-13:50

1 stop15h 15m

£3,429

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 2/7

13:25-09:15

3 stops59h 50m

£1,307

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 2/7

16:35-15:35

1 stop15h 00m

£1,626

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 13 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Belfast from San Francisco Bay Area 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 San Francisco Bay Area to Belfast

What is the cheapest month to book a flight from San Francisco Bay Area to Belfast?

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Belfast (average of £67). Flying from San Francisco Bay Area to Belfast in July is currently the most expensive (average of £90). 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.

Rainfall in Belfast by month

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

In terms of precipitation, rainfall in Belfast ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast when rainfall is around 50.0 mm.

Temperature in Belfast by month

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

If weather is an important factor for your trip to Belfast, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated 13 June 2025.
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,776 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the cheapest airlines to fly from San Francisco Bay Area to Belfast one-way?

    £1,626 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Air France and KLM, with prices starting from £3,593 and £3,596, respectively.

  • What are the most popular routes from San Francisco Bay Area to Belfast?

    When deciding which route to take from San Francisco Bay Area to Belfast consider San Francisco - Belfast Intl, San Francisco - Belfast City or San Jose - Belfast Intl as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco Bay Area to Belfast 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 San Francisco Bay Area to Belfast?

    Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Belfast (average of £67). Flying from San Francisco Bay Area to Belfast in July is currently the most expensive (average of £90). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco Bay Area to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Belfast Intl flights
Los Angeles to Belfast Intl flights
San Francisco to Belfast City flights
Los Angeles to Belfast City flights

Fly with Cheapflights

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

When you search for this flight from San Francisco Bay Area to Belfast, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast from San Francisco Bay Area.

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

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

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