Cheap flights from San Francisco (SFO) to Belfast from $229

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — BHD
Mar 24 — Mar 311

Cheap flight deals from San Francisco to Belfast

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Belfast (BF1). 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 March 19, 2024.

Popular in

February

Cheapest in

March

Average price

$691

Round-trip from

$640
High demand for flights, 44% potential price rise
Best time to find cheap flights, 31% potential price drop
Average for round-trip flights in March 2024
From San Francisco to Belfast

What is the cheapest day to fly round-trip from San Francisco to Belfast?

Friday flights are generally found to be more expensive for flights from San Francisco to Belfast. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Belfast.

What is the cheapest month to fly from San Francisco to Belfast?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, March can be a great choice for travel to Belfast. Flights to Belfast from San Francisco in March are about $1,001 on average during March, but can be found for as low as $672.

When is the cheapest time to fly from San Francisco to Belfast (SFO - BFS)?

It’s optimal to fly from San Francisco to Belfast at noon. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight in the morning.

Cheap British Airways flights from San Francisco to Belfast

Explore cheap flight options specifically provided by British Airways for the route between San Francisco and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out some of the cheapest British Airways flights we've come across from San Francisco to Belfast. It's recommended that users confirm their flight details before booking.
Mon 4/223:30 pmSFO - BHD
1 stop16h 05mBritish Airways
Wed 5/16:50 amBHD - SFO
1 stop14h 25mBritish Airways
Deal found 3/18$613
Mon 4/223:30 pmSFO - BHD
1 stop16h 05mBritish Airways
Wed 5/111:50 amBHD - SFO
2 stops17h 47mBritish Airways
Deal found 3/18$623

Cheap Delta flights from San Francisco to Belfast

Explore cheap flight options specifically provided by Delta for the route between San Francisco and Belfast. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Some of the lowest-priced Delta flights we've found at this time heading from San Francisco to Belfast. Deals frequently update to provide users with more options.
Mon 4/221:15 pmSFO - BHD
2 stops19h 35mDelta
Wed 5/15:20 pmBHD - SFO
2 stops32h 44mDelta
Deal found 3/18$646
Mon 6/176:00 amSFO - BHD
2 stops26h 50mDelta
Mon 6/245:20 pmBHD - SFO
1 stop26h 25mDelta
Deal found 3/18$1,245
Mon 6/1712:55 pmSFO - BHD
2 stops19h 55mDelta
Mon 6/245:20 pmBHD - SFO
2 stops30h 33mDelta
Deal found 3/18$1,255

Cheap San Francisco to Belfast flights in March & April 2024

Find cheap flight options from San Francisco to Belfast specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Check out some of the best flight deals from San Francisco to Belfast in 2024. Check back in a little while for more flight options.
Mon 4/223:30 pmSFO - BHD
1 stop16h 05mBritish Airways
Wed 5/16:50 amBHD - SFO
1 stop14h 25mBritish Airways
Deal found 3/18$613
Mon 4/223:30 pmSFO - BHD
1 stop16h 05mBritish Airways
Wed 5/111:50 amBHD - SFO
2 stops17h 47mBritish Airways
Deal found 3/18$623
Mon 4/221:15 pmSFO - BHD
2 stops19h 35mDelta
Wed 5/15:20 pmBHD - SFO
2 stops32h 44mDelta
Deal found 3/18$646
Fri 4/51:50 pmSFO - BHD
1 stop19h 00mVirgin Atlantic
Mon 4/85:20 pmBHD - SFO
1 stop26h 25mVirgin Atlantic
Deal found 3/18$752
Fri 4/53:02 pmSFO - BHD
2 stops19h 08mAmerican Airlines
Mon 4/89:50 amBHD - SFO
2 stops20h 28mAmerican Airlines
Deal found 3/18$759
Fri 4/51:50 pmSFO - BHD
1 stop19h 00mVirgin Atlantic
Mon 4/85:20 pmBHD - SFO
2 stops32h 54mVirgin Atlantic
Deal found 3/18$762

San Francisco to Belfast 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Check out some of the best flight deals from San Francisco to Belfast in 2024. Check back in a little while for more flight options.
Mon 4/223:30 pmSFO - BHD
1 stop16h 05mBritish Airways
Wed 5/16:50 amBHD - SFO
1 stop14h 25mBritish Airways
Deal found 3/18$613
Mon 4/223:30 pmSFO - BHD
1 stop16h 05mBritish Airways
Wed 5/111:50 amBHD - SFO
2 stops17h 47mBritish Airways
Deal found 3/18$623
Mon 10/73:30 pmSFO - BHD
1 stop13h 20mBritish Airways
Mon 10/147:30 pmBHD - SFO
2 stops30h 40mBritish Airways
Deal found 3/18$626
Mon 4/221:15 pmSFO - BHD
2 stops19h 35mDelta
Wed 5/15:20 pmBHD - SFO
2 stops32h 44mDelta
Deal found 3/18$646
Fri 11/294:35 pmSFO - BHD
1 stop16h 30mBritish Airways
Tue 12/36:45 amBHD - SFO
1 stop15h 30mBritish Airways
Deal found 3/18$691
Mon 10/710:18 amSFO - BHD
2 stops18h 32mAmerican Airlines
Mon 10/149:50 amBHD - SFO
2 stops19h 51mAmerican Airlines
Deal found 3/18$694
Fri 11/295:30 pmSFO - BHD
2 stops17h 40mBritish Airways
Tue 12/37:20 pmBHD - SFO
1 stop26h 55mBritish Airways
Deal found 3/18$695
Fri 4/51:50 pmSFO - BHD
1 stop19h 00mVirgin Atlantic
Mon 4/85:20 pmBHD - SFO
1 stop26h 25mVirgin Atlantic
Deal found 3/18$752
Fri 4/53:02 pmSFO - BHD
2 stops19h 08mAmerican Airlines
Mon 4/89:50 amBHD - SFO
2 stops20h 28mAmerican Airlines
Deal found 3/18$759

One-way flights to Belfast from San Francisco

Search for one-way flight options from San Francisco to Belfast. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Users in need of a one-way flight from San Francisco to Belfast can choose from these deals. Those needing a return flight from San Francisco to Belfast can use the search form above.
Wed 4/242:40 pmSFO - BFS
2 stops57h 45mMultiple Airlines
Deal found 3/18$229
Wed 4/242:40 pmSFO - BHD
2 stops45h 20mMultiple Airlines
Deal found 3/18$252
Wed 4/244:19 pmSFO - BFS
3 stops56h 41mMultiple Airlines
Deal found 3/18$256
Wed 4/249:41 pmSFO - BHD
3 stops38h 19mMultiple Airlines
Deal found 3/18$279
Tue 4/2312:58 amSFO - BFS
3 stops32h 37mMultiple Airlines
Deal found 3/18$324
Tue 4/2312:58 amSFO - BHD
3 stops35h 02mMultiple Airlines
Deal found 3/18$331
Wed 4/247:20 pmSFO - BHD
1 stop14h 20mMultiple Airlines
Deal found 3/18$432
Wed 5/153:58 pmSFO - BFS
3 stops47h 02mMultiple Airlines
Deal found 3/18$442
Wed 5/153:58 pmSFO - BHD
3 stops39h 42mMultiple Airlines
Deal found 3/18$460

Find flights from San Francisco to Belfast within your budget

Customize your flight search to find flights from San Francisco 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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$613 - $1,840

Route

Depart

Return

Price

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Mon 4/22

1 stop16h 05m

Belfast City

Wed 5/1

1 stop14h 25m

$613

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Mon 4/22

1 stop16h 05m

Belfast City

Wed 5/1

2 stops17h 47m

$623

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Mon 4/22

2 stops19h 35m

Belfast City

Wed 5/1

2 stops32h 44m

$646

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Mon 6/17

1 stop19h 00m

Belfast City

Mon 6/24

1 stop26h 25m

$1,241

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Mon 6/17

2 stops26h 50m

Belfast City

Mon 6/24

1 stop26h 25m

$1,245

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Mon 6/24

1 stop19h 00m

Belfast City

Tue 7/9

1 stop26h 25m

$1,311

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Fri 6/21

1 stop15h 55m

Belfast City

Sun 6/23

1 stop29h 25m

$1,324

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Fri 6/21

2 stops19h 00m

Belfast City

Sun 6/23

2 stops41h 00m

$1,372

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Mon 6/24

3 stops42h 59m

Belfast City

Tue 7/9

2 stops29h 50m

$1,840

Flights are sorted by cheapest first

Deals found on 3/18

When is the cheapest time to fly from San Francisco to Belfast?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Belfast. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Francisco to Belfast flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Belfast by month

Plan your trip from San Francisco to Belfast by taking into account the cheapest months to travel. The average price of a one-way flight from San Francisco to Belfast is currently $334 while a round-trip flight costs $1,135. Price data was last updated on March 10, 2024.

Currently, February is the cheapest month in which you can book a flight from San Francisco to Belfast (average of $641). Flying from San Francisco to Belfast in June is currently the most expensive (average of $1,250). 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.

January

$674

February

$641

March

$690

April

$705

May

$783

June

$1,250

July

$991

August

$910

September

$759

October

$684

November

$653

December

$748

Temperature and rainfall in Belfast by month

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

BFS

Temperature

41 - 60.8 °F

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 March 19, 2024.
See what other customers who have flown with British Airways, Delta and KLM from San Francisco to Belfast have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Overall

8.1

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

8.1
Very good
11,551 reviews
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Overall

8.1

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.8
Good
1,720 reviews
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Overall

8.1

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.3
Good
15,312 reviews
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Overall

8.1

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.3
Good
1,404 reviews
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Overall

8.1

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.1
Good
2,835 reviews
8.1
Very good
11,551 reviews

Crew

8.6

Entertainment

8.1

Overall

8.1

Comfort

7.9

Food

7.5

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Belfast. 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 from for flights from San Francisco to Belfast?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Belfast. On average, San Francisco has 0 outbound flights to Belfast per day from 2 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • Can I find flights from San Francisco to Belfast for under $700 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Belfast for under $700. The cheapest flight booked recently is on British Airways for just $613, but on average you can expect to pay $1,163.

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

    Cheapflights users have booked flights from San Francisco to Belfast round-trip from $613. Other airlines that can offer you cheap pricing are Delta, from $646, and KLM, from $1,241. British Airways is 38% cheaper than the average price of flights available within the next 90 days to this destination.

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

    $599 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on American Airlines and British Airways, with prices starting from $944 and $955, respectively.

  • What does SFO to BFS mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a San Francisco Airport to Belfast Intl Airport flight would often be abbreviated as a SFO to BFS flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL).

See more FAQs

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Top 2 airlines flying from San Francisco to Belfast

Discover the top 2 airlines that operate flights from San Francisco to Belfast. 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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$661Average$880FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$683Average$988FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from San Francisco to Belfast by cabin class

Find flights from San Francisco to Belfast, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Belfast from San Francisco today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from San Francisco to Belfast by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Belfast from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on San Francisco to Belfast flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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