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$338+ Cheap flights from Belfast City (BHD) to San Francisco (SFO)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SFO
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
1 adult, Economy
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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 July 18, 2025.

Round-trip from

$770
(Delta)

One-way from

$338
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$972
From Belfast City to San Francisco
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One-way flight from Belfast City to San Francisco
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Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 18, 2025.

This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:30 amBHD - SFO
2 stops18h 47mDelta
Fri 9/511:35 amSFO - BHD
2 stops21h 20mDelta
Deal found 7/17$770
This TravelUp deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:35 amBHD - SFO
1 stop18h 50mMultiple Airlines
Thu 8/214:30 pmSFO - BHD
1 stop20h 15mMultiple Airlines
Deal found 7/17$793
This KLM deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:25 pmBHD - SFO
1 stop26h 20mKLM
Thu 8/211:45 pmSFO - BHD
1 stop23h 20mKLM
Deal found 7/17$840

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated July 18, 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 8/20

6:30 am-5:17 pm

2 stops18h 47m

San Francisco

Fri 9/5

11:35 am-4:55 pm

2 stops21h 20m

$770

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 8/14

6:35 am-5:25 pm

1 stop18h 50m

San Francisco

Thu 8/21

4:30 pm-8:45 pm

1 stop20h 15m

$793

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 8/14

5:25 pm-11:45 am

1 stop26h 20m

San Francisco

Thu 8/21

1:45 pm-9:05 pm

1 stop23h 20m

$840

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 9/15

9:50 am-6:10 pm

2 stops40h 20m

$338

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 8/4

7:30 pm-5:25 pm

1 stop29h 55m

$1,129

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 8/22

6:30 am-11:45 am

1 stop13h 15m

$11,009

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

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 round-trip 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.

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 July 18, 2025.
Get a feel of what it's like to fly with Delta, KLM, and British Airways from Belfast City Airport to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,958 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,958 reviews
Delta
8.0
Very good
7,958 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
1,374 reviews
Delta
8.0
Very good
7,958 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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
7,151 reviews
Delta
8.0
Very good
7,958 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

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?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from Belfast City. Booking flights from Belfast City to San Francisco (SFO) should be relatively easy as there are 0 daily inbound flights from Belfast City from 0 different airlines.

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

    Delta, at $770, was found to be the cheapest airline from Belfast City Airport to San Francisco. An alternate airline flying to your destination would be KLM.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Belfast City Airport to San Francisco (average of $276). Flying from Belfast City Airport to San Francisco in June is currently the most expensive (average of $358). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Newark
Milpitas
Sunnyvale
Campbell
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Daly City
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Capitola
Santa Clara
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