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Cheap flights from San Francisco Bay Area to Belfast from £230

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BHD
2 Mar — 9 Mar1
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 25 February 2025.

Round-trip from

£489

One-way from

£230

Popular in

January

Cheapest in

October

Average price

£557
British Airways
  • British Airways
  • 16/3-23/3
  • 2 total stops
  • 30h 30m total
  • San Francisco Bay Area to Belfast
Search Deals
9/4
  • 9/4
  • 3 total stops
  • 39h 26m total
  • San Francisco Bay Area to Belfast
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 25 February 2025.

Sun 16/321:40SFO - BHD
1 stop14h 00mBritish Airways
Sun 23/306:30BHD - SFO
1 stop16h 30mBritish Airways
Deal found 24/2£489
Sat 3/511:32SFO - BHD
2 stops16h 43mMultiple Airlines
Sat 10/519:00BHD - SFO
1 stop26h 50mMultiple Airlines
Deal found 24/2£534
Sat 3/511:32SFO - BHD
2 stops16h 43mAmerican Airlines
Sat 10/507:05BHD - SFO
2 stops19h 53mAmerican Airlines
Deal found 24/2£542
Tue 8/417:45SFO - BFS
2 stops19h 35mMultiple Airlines
Tue 15/407:05BFS - SFO
2 stops16h 40mMultiple Airlines
Deal found 24/2£624
Mon 7/713:45SFO - BHD
1 stop23h 30mDelta
Wed 6/817:25BHD - SFO
1 stop26h 20mDelta
Deal found 24/2£761
Thu 6/313:50SFO - BHD
1 stop19h 00mKLM
Sat 15/317:20BHD - SFO
1 stop26h 30mKLM
Deal found 24/2£809
Sun 9/306:15SJC - BFS
2 stops32h 25mMultiple Airlines
Wed 12/314:15BFS - SJC
2 stops35h 44mMultiple Airlines
Deal found 24/2£836
Tue 8/717:45SFO - BHD
2 stops18h 10mAer Lingus
Sat 9/817:20BHD - SFO
2 stops30h 25mAer Lingus
Deal found 24/2£984

Find flights from San Francisco Bay Area to Belfast within your budget

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 25 February 2025.

Fly from

San Francisco Bay Area

Fly to

Belfast

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 16/3

21:40-18:40

1 stop14h 00m

Belfast City

Sun 23/3

06:30-16:00

1 stop16h 30m

£489

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 3/5

11:32-12:15

2 stops16h 43m

Belfast City

Sat 10/5

19:00-13:50

1 stop26h 50m

£534

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 3/5

11:32-12:15

2 stops16h 43m

Belfast City

Sat 10/5

07:05-18:58

2 stops19h 53m

£542

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 8/4

17:45-21:20

2 stops19h 35m

Belfast Intl

Tue 15/4

07:05-15:45

2 stops16h 40m

£624

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 7/7

13:45-21:15

1 stop23h 30m

Belfast City

Wed 6/8

17:25-11:45

1 stop26h 20m

£761

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Thu 6/3

13:50-16:50

1 stop19h 00m

Belfast City

Sat 15/3

17:20-12:50

1 stop26h 30m

£809

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Sun 9/3

06:15-21:40

2 stops32h 25m

Belfast Intl

Wed 12/3

14:15-18:59

2 stops35h 44m

£836

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 8/7

17:45-19:55

2 stops18h 10m

Belfast City

Sat 9/8

17:20-15:45

2 stops30h 25m

£984

San JoseBelfast

SJC - BFS

SJCBFS

San Jose

Wed 9/4

15:04-14:30

3 stops39h 26m

£230

San JoseBelfast

SJC - BHD

SJCBHD

San Jose

Thu 3/4

20:08-20:25

3 stops40h 17m

£292

Flights are sorted by cheapest return flights first.

Deals found on 24/2

Showing 1-10 of 20 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.

Travel insights for flights from San Francisco Bay Area to Belfast

Get recent, data-driven insights about flights from San Francisco Bay Area to Belfast including ideal travel times, pricing trends, and more.

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 25 February 2025.
Delta
8.0
Very Good
8,175 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

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
8,175 reviews
Delta
8.0
Very Good
8,175 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

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
1,333 reviews
Delta
8.0
Very Good
8,175 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

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
7.4
Good
1,445 reviews
Delta
8.0
Very Good
8,175 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

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
8,175 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

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.

Aer Lingus
7.0
Good
1,071 reviews
Delta
8.0
Very Good
8,175 reviews
Check prices

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

8.0

Overall

8.0

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?

    £328 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 Delta and KLM, with prices starting from £349 and £404, 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 Jose - Belfast Intl, San Francisco - Belfast Intl or San Francisco - Belfast City 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

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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.
Los Angeles to Belfast Intl flights
Los Angeles to Belfast City flights
San Francisco to Belfast City flights
San Francisco to Belfast Intl flights

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

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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.

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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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