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

Airlines like Delta, KLM, and American Airlines fly from San Francisco Bay Area to Belfast in about 19h 10m. The time it takes to get you to your destination can typically vary by up to 1h. Airlines will cover a distance of 5038 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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.

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).

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 City as they are the most popular.

What is the cheapest time of day to fly from XIH to BFS?

When flying from San Francisco Bay Area to Belfast, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£214+ Flights from San Francisco Bay Area to Belfast

Cheap flight deals from San Francisco Bay Area to Belfast

Round-trip from	£463
One-way from	£214
Popular in	November
Cheapest in	October
Average price	£622

Delta
28/9-7/10
2 total stops
36h 45m total
San Francisco Bay Area to Belfast

Search Deals

10/11
3 total stops
55h 15m total
San Francisco Bay Area to Belfast

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£68 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 17 September 2025.

Wed 24/913:45SFO - BHD

1 stop23h 30mDelta

Mon 6/1017:25BHD - SFO

1 stop26h 20mDelta

Deal found 16/9£463

Mon 20/1014:10SFO - BHD

2 stops17h 30mAmerican Airlines

Fri 31/1006:45BHD - SFO

2 stops19h 23mAmerican Airlines

Deal found 16/9£473

Sun 26/1005:55SJC - BHD

2 stops32h 05mDelta

Fri 7/1106:30BHD - SJC

2 stops23h 38mDelta

Deal found 16/9£474

Wed 24/913:45SFO - BHD

1 stop19h 10mDelta

Fri 3/1006:30BHD - SFO

2 stops21h 35mDelta

Deal found 16/9£499

Thu 25/913:45SFO - BHD

1 stop23h 30mDelta

Mon 6/1017:25BHD - SFO

1 stop26h 20mDelta

Deal found 16/9£500

Fri 24/1013:45SFO - BHD

2 stops19h 10mMultiple Airlines

Fri 7/1106:30BHD - SFO

1 stop13h 20mMultiple Airlines

Deal found 16/9£504

Wed 29/1005:55OAK - BHD

2 stops27h 55mDelta

Sun 2/1117:20BHD - OAK

2 stops30h 51mDelta

Deal found 16/9£511

Fri 24/1011:35SJC - BHD

2 stops21h 20mDelta

Fri 7/1106:30BHD - SJC

2 stops21h 56mDelta

Deal found 16/9£511

Wed 3/1217:30SFO - BHD

1 stop15h 05mBritish Airways

Sun 7/1215:10BHD - SFO

1 stop35h 35mBritish Airways

Deal found 14/9£511

Wed 3/1213:55SFO - BHD

1 stop23h 05mDelta

Sun 7/1206:30BHD - SFO

1 stop13h 20mDelta

Deal found 15/9£513

Sat 25/1008:00SJC - BHD

2 stops20h 10mAmerican Airlines

Sat 8/1106:35BHD - SJC

2 stops22h 13mAmerican Airlines

Deal found 16/9£516

Wed 3/1210:30SFO - BHD

2 stops26h 30mVirgin Atlantic

Sun 7/1206:30BHD - SFO

1 stop13h 20mVirgin Atlantic

Deal found 14/9£516

Best flights from San Francisco Bay Area to Belfast
Discover carefully curated flight deals from San Francisco Bay Area to Belfast that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Mon 29/913:45SFO - BHD

1 stop19h 10mDelta

Mon 6/1017:25BHD - SFO

1 stop26h 20mDelta

Deal found 16/9£463

Mon 20/1013:45SFO - BHD

1 stop19h 10mKLM

Fri 31/1006:30BHD - SFO

1 stop13h 20mKLM

Deal found 16/9£463

Mon 20/1014:10SFO - BHD

2 stops17h 30mAmerican Airlines

Fri 31/1006:45BHD - SFO

2 stops19h 23mAmerican Airlines

Deal found 16/9£473

Fri 5/1213:55SFO - BHD

1 stop18h 55mVirgin Atlantic

Tue 9/1217:20BHD - SFO

1 stop26h 30mVirgin Atlantic

Deal found 16/9£500

Sat 25/1009:25OAK - BHD

3 stops21h 50mMultiple Airlines

Sat 8/1106:35BHD - OAK

2 stops20h 48mMultiple Airlines

Deal found 16/9£565

Sat 25/1015:15SJC - BHD

2 stops21h 25mBritish Airways

Sun 9/1106:30BHD - SJC

2 stops22h 19mBritish Airways

Deal found 16/9£573

Tue 30/913:45SFO - BHD

1 stop23h 30mDelta

Tue 7/1017:25BHD - SFO

1 stop26h 20mDelta

Deal found 16/9£463

Mon 29/913:45SFO - BHD

1 stop23h 30mDelta

Tue 7/1017:25BHD - SFO

1 stop26h 20mDelta

Deal found 16/9£463

Sat 25/1008:00SJC - BHD

2 stops20h 10mAmerican Airlines

Sat 8/1106:35BHD - SJC

2 stops22h 13mAmerican Airlines

Deal found 16/9£516

Sat 25/1012:30OAK - BHD

2 stops25h 30mKLM

Sun 9/1117:20BHD - OAK

2 stops30h 51mKLM

Deal found 16/9£548

Tue 30/913:45SFO - BHD

2 stops23h 30mDelta

Mon 6/1017:25BHD - SFO

1 stop26h 20mDelta

Deal found 16/9£467

Sat 25/1015:15SJC - BHD

2 stops18h 30mBritish Airways

Sat 8/1106:35BHD - SJC

2 stops22h 13mBritish Airways

Deal found 16/9£573

Sat 25/1012:30OAK - BHD

2 stops21h 20mKLM

Fri 7/1117:20BHD - OAK

2 stops30h 51mKLM

Deal found 16/9£548

Thu 30/1020:25SFO - BFS

2 stops18h 55mMultiple Airlines

Thu 6/1114:25BFS - SFO

2 stops34h 05mMultiple Airlines

Deal found 15/9£619

Sun 28/910:55SFO - BHD

2 stops22h 00mDelta

Tue 7/1006:30BHD - SFO

1 stop13h 15mDelta

Deal found 16/9£467

Sun 26/1012:44SJC - BHD

2 stops21h 06mBritish Airways

Sat 8/1106:35BHD - SJC

2 stops22h 13mBritish Airways

Deal found 16/9£589

Fri 24/1005:55OAK - BHD

2 stops27h 00mKLM

Sun 9/1117:20BHD - OAK

2 stops30h 51mKLM

Deal found 16/9£548

Sun 28/910:30SFO - BHD

2 stops22h 25mDelta

Mon 6/1017:25BHD - SFO

1 stop26h 20mDelta

Deal found 16/9£467

Sat 27/914:08SJC - BHD

2 stops37h 22mIberia

Fri 3/1006:35BHD - SJC

2 stops22h 33mIberia

Deal found 16/9£1,432

Fri 24/1005:55OAK - BHD

2 stops27h 00mKLM

Fri 7/1117:20BHD - OAK

2 stops30h 51mKLM

Deal found 16/9£548

Sat 25/1016:30SFO - BFS

1 stop20h 45mMultiple Airlines

Sat 8/1108:10BFS - SFO

1 stop18h 35mMultiple Airlines

Deal found 16/9£683

Sat 25/1006:40OAK - BHD

2 stops30h 00mBritish Airways

Sat 8/1106:35BHD - OAK

2 stops25h 24mBritish Airways

Deal found 16/9£645

Wed 29/1005:55OAK - BHD

2 stops27h 55mDelta

Sun 2/1117:20BHD - OAK

2 stops30h 51mDelta

Deal found 16/9£511

Wed 8/1006:00SJC - BHD

2 stops21h 55mAmerican Airlines

Sun 12/1006:50BHD - SJC

2 stops23h 41mAmerican Airlines

Deal found 14/9£752

Sat 27/920:30SFO - BFS

1 stop31h 40mMultiple Airlines

Fri 3/1006:05BFS - SFO

2 stops25h 44mMultiple Airlines

Deal found 16/9£688

Fri 24/1011:35SJC - BHD

2 stops21h 20mDelta

Fri 7/1106:30BHD - SJC

2 stops21h 56mDelta

Deal found 16/9£511

Sat 27/920:30SFO - BFS

1 stop31h 40mMultiple Airlines

Mon 6/1021:55BFS - SFO

2 stops26h 00mMultiple Airlines

Deal found 16/9£703

Sat 27/920:30SFO - BFS

1 stop31h 40mMultiple Airlines

Wed 1/1022:05BFS - SFO

2 stops25h 50mMultiple Airlines

Deal found 16/9£712

Sun 26/1014:49OAK - BHD

2 stops19h 01mBritish Airways

Fri 7/1111:30BHD - OAK

2 stops20h 29mBritish Airways

Deal found 16/9£795

Fri 24/1005:55OAK - BHD

2 stops27h 00mDelta

Sat 8/1117:20BHD - OAK

2 stops38h 43mDelta

Deal found 16/9£548

Last-minute flights from San Francisco Bay Area to Belfast
Discover last-minute flight deals from San Francisco Bay Area to Belfast. Data last updated 17 September 2025 and is based on user searches.

Wed 24/913:45SFO - BHD

1 stop23h 30mDelta

Mon 6/1017:25BHD - SFO

1 stop26h 20mDelta

Deal found 16/9£463

Wed 24/913:45SFO - BHD

1 stop19h 10mDelta

Fri 3/1006:30BHD - SFO

2 stops21h 35mDelta

Deal found 16/9£499

Thu 25/913:45SFO - BHD

1 stop23h 30mDelta

Mon 6/1017:25BHD - SFO

1 stop26h 20mDelta

Deal found 16/9£500

Thu 25/913:45SFO - BHD

2 stops23h 30mDelta

Tue 7/1006:30BHD - SFO

2 stops19h 54mDelta

Deal found 16/9£524

Fri 26/913:15SFO - BHD

2 stops24h 00mDelta

Fri 3/1006:30BHD - SFO

2 stops19h 17mDelta

Deal found 16/9£511

Sat 4/1010:14SFO - BHD

2 stops15h 56mAmerican Airlines

Sat 11/1007:05BHD - SFO

2 stops20h 16mAmerican Airlines

Deal found 16/9£516

Mon 20/1014:10SFO - BHD

2 stops17h 30mAmerican Airlines

Fri 31/1006:45BHD - SFO

2 stops19h 23mAmerican Airlines

Deal found 16/9£473

Fri 24/1013:45SFO - BHD

2 stops19h 10mMultiple Airlines

Fri 7/1106:30BHD - SFO

1 stop13h 20mMultiple Airlines

Deal found 16/9£504

Fri 24/1011:35SJC - BHD

2 stops21h 20mDelta

Fri 7/1106:30BHD - SJC

2 stops21h 56mDelta

Deal found 16/9£511

Sat 25/1008:00SJC - BHD

2 stops20h 10mAmerican Airlines

Sat 8/1106:35BHD - SJC

2 stops22h 13mAmerican Airlines

Deal found 16/9£516

Sun 26/1005:55SJC - BHD

2 stops32h 05mDelta

Fri 7/1106:30BHD - SJC

2 stops23h 38mDelta

Deal found 16/9£474

Wed 29/1005:55OAK - BHD

2 stops27h 55mDelta

Sun 2/1117:20BHD - OAK

2 stops30h 51mDelta

Deal found 16/9£511

One-way flights from San Francisco Bay Area to Belfast
Search for one-way flight options from San Francisco Bay Area to Belfast. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Mon 10/1116:35SFO - BFS

3 stops55h 15mMultiple Airlines

Deal found 14/9£214

Mon 10/1116:35SFO - BHD

3 stops41h 00mMultiple Airlines

Deal found 14/9£227

Sat 27/914:10SFO - BFS

3 stops59h 45mMultiple Airlines

Deal found 16/9£253

Mon 10/1120:40SFO - BHD

1 stop15h 35mBritish Airways

Deal found 14/9£268

Sat 27/906:00SFO - BHD

2 stops43h 20mMultiple Airlines

Deal found 16/9£275

Mon 10/1114:38SJC - BHD

2 stops17h 27mBritish Airways

Deal found 14/9£287

Sat 27/913:45SFO - BHD

1 stop19h 10mAir France

Deal found 16/9£339

Sat 27/914:08SJC - BHD

2 stops37h 22mIberia

Deal found 16/9£514

Wed 12/1115:01SFO - BHD

2 stops15h 14mBritish Airways

Deal found 17/9£574

Wed 12/1114:46SFO - BHD

3 stops58h 34mMultiple Airlines

Deal found 17/9£760

Sat 27/909:39OAK - BHD

2 stops16h 31mBritish Airways

Deal found 16/9£1,565

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco Bay Area to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 29/9

13:45-16:55

1 stop19h 10m

Belfast City

Mon 6/10

17:25-11:45

1 stop26h 20m

£463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 20/10

13:45-16:55

1 stop19h 10m

Belfast City

Fri 31/10

06:30-12:50

1 stop13h 20m

£463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 30/9

13:45-21:15

1 stop23h 30m

Belfast City

Tue 7/10

17:25-11:45

1 stop26h 20m

£463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 29/9

13:45-21:15

1 stop23h 30m

Belfast City

Tue 7/10

17:25-11:45

1 stop26h 20m

£463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 30/9

13:45-21:15

2 stops23h 30m

Belfast City

Mon 6/10

17:25-11:45

1 stop26h 20m

£467

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 28/9

10:55-16:55

2 stops22h 00m

Belfast City

Tue 7/10

06:30-11:45

1 stop13h 15m

£467

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 28/9

10:30-16:55

2 stops22h 25m

Belfast City

Mon 6/10

17:25-11:45

1 stop26h 20m

£467

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Mon 20/10

14:10-15:40

2 stops17h 30m

Belfast City

Fri 31/10

06:45-19:08

2 stops19h 23m

£473

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 5/12

13:55-16:50

1 stop18h 55m

Belfast City

Tue 9/12

17:20-11:50

1 stop26h 30m

£500

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

Wed 29/10

05:55-16:50

2 stops27h 55m

Belfast City

Sun 2/11

17:20-16:11

2 stops30h 51m

£511

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 42 results

...

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.

Related info for your journey

How long is the flight from San Francisco Bay Area to Belfast?
Airlines like Delta, KLM, and American Airlines fly from San Francisco Bay Area to Belfast in about 19h 10m. The time it takes to get you to your destination can typically vary by up to 1h. Airlines will cover a distance of 5038 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San Francisco Bay Area to Belfast

Los Angeles to Belfast Intl flights

Los Angeles to Belfast City flights

San Francisco to Belfast City flights

San Francisco to Belfast Intl flights

Fly with Cheapflights

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.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from San Francisco Bay Area to Belfast from £214

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

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 17 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco Bay Area to Belfast

Cheapest flights from San Francisco Bay Area to BelfastExplore 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 17 September 2025.

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 17 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco Bay Area to Belfast that are best for you.

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.

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?

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.

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

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

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

How can I 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?

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

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.

Alternative routes for San Francisco Bay Area to Belfast

See prices for flight routes from nearby airports that may be better suited for you.

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 San Francisco Bay Area to Belfast?

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

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

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

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Travel Smart

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 17 September 2025.